From d615d5bd95515027377e525fc0832961f32a9e95 Mon Sep 17 00:00:00 2001 From: xxy <812411654@qq.com> Date: Tue, 31 Dec 2024 00:27:56 +0800 Subject: [PATCH] 1 --- data/Contact.java | 91 +++ data/Notes.java | 206 +++++ data/NotesDatabaseHelper.java | 283 +++++++ data/NotesProvider.java | 354 ++++++++ gtask/data/MetaData.java | 90 +++ gtask/data/Node.java | 108 +++ gtask/data/SqlData.java | 194 +++++ gtask/data/SqlNote.java | 505 ++++++++++++ gtask/data/Task.java | 334 ++++++++ gtask/data/TaskList.java | 351 ++++++++ gtask/exception/ActionFailureException.java | 52 ++ gtask/exception/NetworkFailureException.java | 52 ++ gtask/remote/GTaskASyncTask.java | 174 ++++ gtask/remote/GTaskClient.java | 288 +++++++ gtask/remote/GTaskManager.java | 805 +++++++++++++++++++ gtask/remote/GTaskSyncService.java | 198 +++++ model/Note.java | 265 ++++++ model/WorkingNote.java | 254 ++++++ 18 files changed, 4604 insertions(+) create mode 100644 data/Contact.java create mode 100644 data/Notes.java create mode 100644 data/NotesDatabaseHelper.java create mode 100644 data/NotesProvider.java create mode 100644 gtask/data/MetaData.java create mode 100644 gtask/data/Node.java create mode 100644 gtask/data/SqlData.java create mode 100644 gtask/data/SqlNote.java create mode 100644 gtask/data/Task.java create mode 100644 gtask/data/TaskList.java create mode 100644 gtask/exception/ActionFailureException.java create mode 100644 gtask/exception/NetworkFailureException.java create mode 100644 gtask/remote/GTaskASyncTask.java create mode 100644 gtask/remote/GTaskClient.java create mode 100644 gtask/remote/GTaskManager.java create mode 100644 gtask/remote/GTaskSyncService.java create mode 100644 model/Note.java create mode 100644 model/WorkingNote.java diff --git a/data/Contact.java b/data/Contact.java new file mode 100644 index 0000000..119de7a --- /dev/null +++ b/data/Contact.java @@ -0,0 +1,91 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.data; + +import android.content.Context; +import android.database.Cursor; +import android.provider.ContactsContract.CommonDataKinds.Phone; +import android.provider.ContactsContract.Data; +import android.telephony.PhoneNumberUtils; +import android.util.Log; + +import java.util.HashMap; + +public class Contact { + // 静态缓存，用于存储已查询过的电话号码对应的联系人姓名 + private static HashMap sContactCache; + // 用于日志记录的标签 + private static final String TAG = "Contact"; + + // 查询条件，用于根据电话号码查询联系人姓名 + private static final String CALLER_ID_SELECTION = "PHONE_NUMBERS_EQUAL(" + Phone.NUMBER + + ",?) AND " + Data.MIMETYPE + "='" + Phone.CONTENT_ITEM_TYPE + "'" + + " AND " + Data.RAW_CONTACT_ID + " IN " + + "(SELECT raw_contact_id " + + " FROM phone_lookup" + + " WHERE min_match = '+')"; + + /** + * 获取电话号码对应的联系人姓名 + * @param context 应用程序的上下文 + * @param phoneNumber 要查询的电话号码 + * @return 返回电话号码对应的联系人姓名，如果找不到则返回null + */ + public static String getContact(Context context, String phoneNumber) { + // 初始化缓存 + if(sContactCache == null) { + sContactCache = new HashMap(); + } + + // 如果缓存中已经有该电话号码的联系人信息，直接返回 + if(sContactCache.containsKey(phoneNumber)) { + return sContactCache.get(phoneNumber); + } + + // 使用电话号码生成查询条件 + String selection = CALLER_ID_SELECTION.replace("+", + PhoneNumberUtils.toCallerIDMinMatch(phoneNumber)); + + // 查询联系人信息 + Cursor cursor = context.getContentResolver().query( + Data.CONTENT_URI, + new String [] { Phone.DISPLAY_NAME }, // 需要获取的字段，这里是联系人姓名 + selection, // 查询条件 + new String[] { phoneNumber }, // 查询参数，填充到查询条件中 + null); // 排序方式，null表示不排序 + + // 检查查询结果并返回联系人姓名 + if (cursor != null && cursor.moveToFirst()) { + try { + String name = cursor.getString(0); // 获取查询到的联系人姓名 + sContactCache.put(phoneNumber, name); // 将结果缓存起来 + return name; // 返回联系人姓名 + } catch (IndexOutOfBoundsException e) { + // 捕捉异常并记录错误日志 + Log.e(TAG, " Cursor get string error " + e.toString()); + return null; + } finally { + // 关闭游标，释放资源 + cursor.close(); + } + } else { + // 如果没有匹配的联系人，记录日志并返回null + Log.d(TAG, "No contact matched with number:" + phoneNumber); + return null; + } + } +} diff --git a/data/Notes.java b/data/Notes.java new file mode 100644 index 0000000..62dbfac --- /dev/null +++ b/data/Notes.java @@ -0,0 +1,206 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.data; + +import android.net.Uri; + +public class Notes { + // 认证标识符，用于在内容提供者中区分不同的数据集合 + public static final String AUTHORITY = "micode_notes"; + + // 用于日志记录的标签 + public static final String TAG = "Notes"; + + // 用于表示不同类型的文件 + public static final int TYPE_NOTE = 0; + public static final int TYPE_FOLDER = 1; + public static final int TYPE_SYSTEM = 2; + + /** + * 以下ID是系统文件夹的标识符 + * {@link Notes#ID_ROOT_FOLDER} 表示默认文件夹 + * {@link Notes#ID_TEMPARAY_FOLDER} 表示临时文件夹 + * {@link Notes#ID_CALL_RECORD_FOLDER} 表示用于存储通话记录的文件夹 + */ + public static final int ID_ROOT_FOLDER = 0; + public static final int ID_TEMPARAY_FOLDER = -1; + public static final int ID_CALL_RECORD_FOLDER = -2; + public static final int ID_TRASH_FOLER = -3; + + // Intent 额外数据的键，用于传递提醒日期、背景颜色、Widget ID、文件夹ID等信息 + public static final String INTENT_EXTRA_ALERT_DATE = "net.micode.notes.alert_date"; + public static final String INTENT_EXTRA_BACKGROUND_ID = "net.micode.notes.background_color_id"; + public static final String INTENT_EXTRA_WIDGET_ID = "net.micode.notes.widget_id"; + public static final String INTENT_EXTRA_WIDGET_TYPE = "net.micode.notes.widget_type"; + public static final String INTENT_EXTRA_FOLDER_ID = "net.micode.notes.folder_id"; + public static final String INTENT_EXTRA_CALL_DATE = "net.micode.notes.call_date"; + + // Widget 类型常量 + public static final int TYPE_WIDGET_INVALIDE = -1; + public static final int TYPE_WIDGET_2X = 0; + public static final int TYPE_WIDGET_4X = 1; + + public static class DataConstants { + // 文本便签的 MIME 类型 + public static final String NOTE = TextNote.CONTENT_ITEM_TYPE; + // 通话记录便签的 MIME 类型 + public static final String CALL_NOTE = CallNote.CONTENT_ITEM_TYPE; + } + + /** + * Uri 用于查询所有的便签和文件夹 + */ + public static final Uri CONTENT_NOTE_URI = Uri.parse("content://" + AUTHORITY + "/note"); + + /** + * Uri 用于查询具体数据 + */ + public static final Uri CONTENT_DATA_URI = Uri.parse("content://" + AUTHORITY + "/data"); + + /** + * NoteColumns 接口定义了便签和文件夹表中的列 + */ + public interface NoteColumns { + // 唯一标识符 + public static final String ID = "_id"; + + // 父文件夹的 ID + public static final String PARENT_ID = "parent_id"; + + // 创建日期 + public static final String CREATED_DATE = "created_date"; + + // 最新修改日期 + public static final String MODIFIED_DATE = "modified_date"; + + // 提醒日期 + public static final String ALERTED_DATE = "alert_date"; + + // 文件夹名称或便签内容的摘要 + public static final String SNIPPET = "snippet"; + + // 便签对应的 Widget ID + public static final String WIDGET_ID = "widget_id"; + + // 便签对应的 Widget 类型 + public static final String WIDGET_TYPE = "widget_type"; + + // 便签的背景颜色 ID + public static final String BG_COLOR_ID = "bg_color_id"; + + // 是否有附件，1 表示有，0 表示无 + public static final String HAS_ATTACHMENT = "has_attachment"; + + // 文件夹中的便签数量 + public static final String NOTES_COUNT = "notes_count"; + + // 文件类型：文件夹或便签 + public static final String TYPE = "type"; + + // 最近同步的 ID + public static final String SYNC_ID = "sync_id"; + + // 本地修改标记 + public static final String LOCAL_MODIFIED = "local_modified"; + + // 移动到临时文件夹之前的原父文件夹 ID + public static final String ORIGIN_PARENT_ID = "origin_parent_id"; + + // Gtask 的 ID + public static final String GTASK_ID = "gtask_id"; + + // 版本号 + public static final String VERSION = "version"; + } + + /** + * DataColumns 接口定义了数据表中的列 + */ + public interface DataColumns { + // 唯一标识符 + public static final String ID = "_id"; + + // MIME 类型 + public static final String MIME_TYPE = "mime_type"; + + // 关联的便签 ID + public static final String NOTE_ID = "note_id"; + + // 创建日期 + public static final String CREATED_DATE = "created_date"; + + // 最新修改日期 + public static final String MODIFIED_DATE = "modified_date"; + + // 数据内容 + public static final String CONTENT = "content"; + + // 通用数据列，用于存储整数类型数据 + public static final String DATA1 = "data1"; + + // 通用数据列，用于存储整数类型数据 + public static final String DATA2 = "data2"; + + // 通用数据列，用于存储文本类型数据 + public static final String DATA3 = "data3"; + + // 通用数据列，用于存储文本类型数据 + public static final String DATA4 = "data4"; + + // 通用数据列，用于存储文本类型数据 + public static final String DATA5 = "data5"; + } + + /** + * TextNote 类继承自 DataColumns，专门处理文本便签相关的数据 + */ + public static final class TextNote implements DataColumns { + // 模式，表示便签是否处于检查列表模式，1 为检查列表模式，0 为普通模式 + public static final String MODE = DATA1; + + public static final int MODE_CHECK_LIST = 1; + + // MIME 类型，用于表示文本便签的集合 + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/text_note"; + + // MIME 类型，用于表示单个文本便签 + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/text_note"; + + // Uri 用于查询文本便签 + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/text_note"); + } + + /** + * CallNote 类继承自 DataColumns，专门处理通话记录便签相关的数据 + */ + public static final class CallNote implements DataColumns { + // 通话日期 + public static final String CALL_DATE = DATA1; + + // 通话的电话号码 + public static final String PHONE_NUMBER = DATA3; + + // MIME 类型，用于表示通话记录便签的集合 + public static final String CONTENT_TYPE = "vnd.android.cursor.dir/call_note"; + + // MIME 类型，用于表示单个通话记录便签 + public static final String CONTENT_ITEM_TYPE = "vnd.android.cursor.item/call_note"; + + // Uri 用于查询通话记录便签 + public static final Uri CONTENT_URI = Uri.parse("content://" + AUTHORITY + "/call_note"); + } +} diff --git a/data/NotesDatabaseHelper.java b/data/NotesDatabaseHelper.java new file mode 100644 index 0000000..fa468e0 --- /dev/null +++ b/data/NotesDatabaseHelper.java @@ -0,0 +1,283 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.data; + +import android.content.ContentValues; +import android.content.Context; +import android.database.sqlite.SQLiteDatabase; +import android.database.sqlite.SQLiteOpenHelper; +import android.util.Log; + +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; + +/** + * NotesDatabaseHelper类用于管理数据库的创建和升级，继承自SQLiteOpenHelper类。 + */ +public class NotesDatabaseHelper extends SQLiteOpenHelper { + // 数据库名 + private static final String DB_NAME = "note.db"; + // 数据库版本 + private static final int DB_VERSION = 4; + + // 数据表的名称 + public interface TABLE { + public static final String NOTE = "note"; + public static final String DATA = "data"; + } + + private static final String TAG = "NotesDatabaseHelper"; + + // 单例模式 + private static NotesDatabaseHelper mInstance; + + // 创建note表的SQL语句 + private static final String CREATE_NOTE_TABLE_SQL = + "CREATE TABLE " + TABLE.NOTE + "(" + + NoteColumns.ID + " INTEGER PRIMARY KEY," + + NoteColumns.PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ALERTED_DATE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.BG_COLOR_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.HAS_ATTACHMENT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.NOTES_COUNT + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.SNIPPET + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.TYPE + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.WIDGET_TYPE + " INTEGER NOT NULL DEFAULT -1," + + NoteColumns.SYNC_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.LOCAL_MODIFIED + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.ORIGIN_PARENT_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.GTASK_ID + " TEXT NOT NULL DEFAULT ''," + + NoteColumns.VERSION + " INTEGER NOT NULL DEFAULT 0" + + ")"; + + // 创建data表的SQL语句 + private static final String CREATE_DATA_TABLE_SQL = + "CREATE TABLE " + TABLE.DATA + "(" + + DataColumns.ID + " INTEGER PRIMARY KEY," + + DataColumns.MIME_TYPE + " TEXT NOT NULL," + + DataColumns.NOTE_ID + " INTEGER NOT NULL DEFAULT 0," + + NoteColumns.CREATED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + NoteColumns.MODIFIED_DATE + " INTEGER NOT NULL DEFAULT (strftime('%s','now') * 1000)," + + DataColumns.CONTENT + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA1 + " INTEGER," + + DataColumns.DATA2 + " INTEGER," + + DataColumns.DATA3 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA4 + " TEXT NOT NULL DEFAULT ''," + + DataColumns.DATA5 + " TEXT NOT NULL DEFAULT ''" + + ")"; + + // 创建data表中NOTE_ID的索引 + private static final String CREATE_DATA_NOTE_ID_INDEX_SQL = + "CREATE INDEX IF NOT EXISTS note_id_index ON " + + TABLE.DATA + "(" + DataColumns.NOTE_ID + ");"; + + /** + * 增加文件夹中的笔记数，当笔记移动到该文件夹时 + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_update "+ + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * 减少文件夹中的笔记数，当笔记从该文件夹中移除时 + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_update " + + " AFTER UPDATE OF " + NoteColumns.PARENT_ID + " ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0" + ";" + + " END"; + + /** + * 增加文件夹中的笔记数，当插入新的笔记到该文件夹时 + */ + private static final String NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER = + "CREATE TRIGGER increase_folder_count_on_insert " + + " AFTER INSERT ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + " + 1" + + " WHERE " + NoteColumns.ID + "=new." + NoteColumns.PARENT_ID + ";" + + " END"; + + /** + * 减少文件夹中的笔记数，当从该文件夹删除笔记时 + */ + private static final String NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER = + "CREATE TRIGGER decrease_folder_count_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN " + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.NOTES_COUNT + "=" + NoteColumns.NOTES_COUNT + "-1" + + " WHERE " + NoteColumns.ID + "=old." + NoteColumns.PARENT_ID + + " AND " + NoteColumns.NOTES_COUNT + ">0;" + + " END"; + + /** + * 当插入类型为NOTE的数据时更新笔记内容 + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER = + "CREATE TRIGGER update_note_content_on_insert " + + " AFTER INSERT ON " + TABLE.DATA + + " WHEN new." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * 当类型为NOTE的数据更新时，更新笔记内容 + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER = + "CREATE TRIGGER update_note_content_on_update " + + " AFTER UPDATE ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=new." + DataColumns.CONTENT + + " WHERE " + NoteColumns.ID + "=new." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * 当类型为NOTE的数据删除时，更新笔记内容 + */ + private static final String DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER = + "CREATE TRIGGER update_note_content_on_delete " + + " AFTER delete ON " + TABLE.DATA + + " WHEN old." + DataColumns.MIME_TYPE + "='" + DataConstants.NOTE + "'" + + " BEGIN" + + " UPDATE " + TABLE.NOTE + + " SET " + NoteColumns.SNIPPET + "=''" + + " WHERE " + NoteColumns.ID + "=old." + DataColumns.NOTE_ID + ";" + + " END"; + + /** + * 当笔记被删除时，删除相关数据 + */ + private static final String NOTE_DELETE_DATA_ON_DELETE_TRIGGER = + "CREATE TRIGGER delete_data_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN" + + " DELETE FROM " + TABLE.DATA + + " WHERE " + DataColumns.NOTE_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * 当文件夹被删除时，删除该文件夹中的笔记 + */ + private static final String FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER = + "CREATE TRIGGER folder_delete_notes_on_delete " + + " AFTER DELETE ON " + TABLE.NOTE + + " BEGIN " + + " DELETE FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.PARENT_ID + "=old." + NoteColumns.ID + ";" + + " END"; + + /** + * 获取数据库实例，确保数据库只有一个实例 + * + * @param context 应用上下文 + * @return 数据库实例 + */ + public static synchronized NotesDatabaseHelper getInstance(Context context) { + if (mInstance == null) { + mInstance = new NotesDatabaseHelper(context); + } + return mInstance; + } + + /** + * 构造函数，初始化数据库 + * + * @param context 应用上下文 + */ + private NotesDatabaseHelper(Context context) { + super(context, DB_NAME, null, DB_VERSION); + } + + /** + * 创建数据库，初始化数据表 + * + * @param db SQLite数据库实例 + */ + @Override + public void onCreate(SQLiteDatabase db) { + Log.d(TAG, "onCreate"); + db.execSQL(CREATE_NOTE_TABLE_SQL); + db.execSQL(CREATE_DATA_TABLE_SQL); + db.execSQL(CREATE_DATA_NOTE_ID_INDEX_SQL); + + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_UPDATE_TRIGGER); + db.execSQL(NOTE_INCREASE_FOLDER_COUNT_ON_INSERT_TRIGGER); + db.execSQL(NOTE_DECREASE_FOLDER_COUNT_ON_DELETE_TRIGGER); + + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_INSERT_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_UPDATE_TRIGGER); + db.execSQL(DATA_UPDATE_NOTE_CONTENT_ON_DELETE_TRIGGER); + + db.execSQL(NOTE_DELETE_DATA_ON_DELETE_TRIGGER); + db.execSQL(FOLDER_DELETE_NOTES_ON_DELETE_TRIGGER); + + // 初始化默认文件夹 + initDefaultFolder(db); + } + + /** + * 更新数据库，处理数据库版本升级 + * + * @param db SQLite数据库实例 + * @param oldVersion 旧版本号 + * @param newVersion 新版本号 + */ + @Override + public void onUpgrade(SQLiteDatabase db, int oldVersion, int newVersion) { + Log.d(TAG, "onUpgrade"); + // 这里可以根据不同版本号处理升级逻辑，当前暂时删除旧表并重新创建 + if (oldVersion != newVersion) { + db.execSQL("DROP TABLE IF EXISTS " + TABLE.NOTE); + db.execSQL("DROP TABLE IF EXISTS " + TABLE.DATA); + onCreate(db); + } + } + + /** + * 初始化默认文件夹，在第一次创建数据库时调用 + * + * @param db SQLite数据库实例 + */ + private void initDefaultFolder(SQLiteDatabase db) { + ContentValues values = new ContentValues(); + values.put(NoteColumns.ID, Notes.ID_ROOT_FOLDER); + values.put(NoteColumns.SNIPPET, "ROOT"); + values.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + db.insert(TABLE.NOTE, null, values); + } +} diff --git a/data/NotesProvider.java b/data/NotesProvider.java new file mode 100644 index 0000000..fc946d1 --- /dev/null +++ b/data/NotesProvider.java @@ -0,0 +1,354 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.data; + +import android.app.SearchManager; +import android.content.ContentProvider; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Intent; +import android.content.UriMatcher; +import android.database.Cursor; +import android.database.sqlite.SQLiteDatabase; +import android.net.Uri; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.NotesDatabaseHelper.TABLE; + +/** + * NotesProvider是内容提供者类，负责提供与笔记数据的增删改查功能。 + * 它通过SQLite数据库进行数据存储，并使用UriMatcher来解析URI请求。 + */ +public class NotesProvider extends ContentProvider { + + // 定义UriMatcher对象，用于匹配不同类型的URI + private static final UriMatcher mMatcher; + + // Notes数据库帮助类，用于操作数据库 + private NotesDatabaseHelper mHelper; + + // 日志TAG + private static final String TAG = "NotesProvider"; + + // 定义不同的URI匹配码 + private static final int URI_NOTE = 1; // 匹配所有笔记 + private static final int URI_NOTE_ITEM = 2; // 匹配单个笔记 + private static final int URI_DATA = 3; // 匹配所有数据 + private static final int URI_DATA_ITEM = 4; // 匹配单个数据 + private static final int URI_SEARCH = 5; // 匹配搜索请求 + private static final int URI_SEARCH_SUGGEST = 6; // 匹配搜索建议请求 + + // 静态代码块，用于初始化UriMatcher + static { + mMatcher = new UriMatcher(UriMatcher.NO_MATCH); + mMatcher.addURI(Notes.AUTHORITY, "note", URI_NOTE); // 匹配笔记URI + mMatcher.addURI(Notes.AUTHORITY, "note/#", URI_NOTE_ITEM); // 匹配具体的笔记 + mMatcher.addURI(Notes.AUTHORITY, "data", URI_DATA); // 匹配数据URI + mMatcher.addURI(Notes.AUTHORITY, "data/#", URI_DATA_ITEM); // 匹配具体的数据 + mMatcher.addURI(Notes.AUTHORITY, "search", URI_SEARCH); // 匹配搜索 + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY, URI_SEARCH_SUGGEST); // 搜索建议 + mMatcher.addURI(Notes.AUTHORITY, SearchManager.SUGGEST_URI_PATH_QUERY + "/*", URI_SEARCH_SUGGEST); + } + + /** + * SQL查询片段，用于从笔记中搜索，删除换行符并裁剪空格，以显示更多信息。 + */ + private static final String NOTES_SEARCH_PROJECTION = NoteColumns.ID + "," + + NoteColumns.ID + " AS " + SearchManager.SUGGEST_COLUMN_INTENT_EXTRA_DATA + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_1 + "," + + "TRIM(REPLACE(" + NoteColumns.SNIPPET + ", x'0A','')) AS " + SearchManager.SUGGEST_COLUMN_TEXT_2 + "," + + R.drawable.search_result + " AS " + SearchManager.SUGGEST_COLUMN_ICON_1 + "," + + "'" + Intent.ACTION_VIEW + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_ACTION + "," + + "'" + Notes.TextNote.CONTENT_TYPE + "' AS " + SearchManager.SUGGEST_COLUMN_INTENT_DATA; + + // SQL查询，用于搜索笔记内容中的摘要 + private static String NOTES_SNIPPET_SEARCH_QUERY = "SELECT " + NOTES_SEARCH_PROJECTION + + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.SNIPPET + " LIKE ?" + + " AND " + NoteColumns.PARENT_ID + "<>" + Notes.ID_TRASH_FOLER + + " AND " + NoteColumns.TYPE + "=" + Notes.TYPE_NOTE; + + /** + * 创建ContentProvider实例时调用。 + * 主要用于初始化数据库帮助类实例。 + */ + @Override + public boolean onCreate() { + mHelper = NotesDatabaseHelper.getInstance(getContext()); + return true; + } + + /** + * 处理查询请求。 + * + * @param uri 查询的URI + * @param projection 查询的列 + * @param selection 查询的条件 + * @param selectionArgs 查询条件的参数 + * @param sortOrder 排序方式 + * @return 返回Cursor，表示查询结果 + */ + @Override + public Cursor query(Uri uri, String[] projection, String selection, String[] selectionArgs, String sortOrder) { + Cursor c = null; + SQLiteDatabase db = mHelper.getReadableDatabase(); + String id = null; + + // 根据URI匹配码执行不同的查询操作 + switch (mMatcher.match(uri)) { + case URI_NOTE: // 查询所有笔记 + c = db.query(TABLE.NOTE, projection, selection, selectionArgs, null, null, sortOrder); + break; + case URI_NOTE_ITEM: // 查询单个笔记 + id = uri.getPathSegments().get(1); + c = db.query(TABLE.NOTE, projection, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_DATA: // 查询所有数据 + c = db.query(TABLE.DATA, projection, selection, selectionArgs, null, null, sortOrder); + break; + case URI_DATA_ITEM: // 查询单个数据 + id = uri.getPathSegments().get(1); + c = db.query(TABLE.DATA, projection, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs, null, null, sortOrder); + break; + case URI_SEARCH: // 搜索笔记 + case URI_SEARCH_SUGGEST: // 搜索建议 + if (sortOrder != null || projection != null) { + throw new IllegalArgumentException("do not specify sortOrder, selection, selectionArgs, or projection" + "with this query"); + } + String searchString = null; + if (mMatcher.match(uri) == URI_SEARCH_SUGGEST) { + if (uri.getPathSegments().size() > 1) { + searchString = uri.getPathSegments().get(1); + } + } else { + searchString = uri.getQueryParameter("pattern"); + } + if (TextUtils.isEmpty(searchString)) { + return null; + } + try { + searchString = String.format("%%%s%%", searchString); // 添加通配符进行模糊查询 + c = db.rawQuery(NOTES_SNIPPET_SEARCH_QUERY, new String[] { searchString }); + } catch (IllegalStateException ex) { + Log.e(TAG, "got exception: " + ex.toString()); + } + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); // 未知的URI类型 + } + + // 如果Cursor不为空，设置通知URI，监听数据变化 + if (c != null) { + c.setNotificationUri(getContext().getContentResolver(), uri); + } + return c; + } + + /** + * 处理插入请求。 + * + * @param uri 插入的URI + * @param values 要插入的数据 + * @return 返回新插入记录的URI + */ + @Override + public Uri insert(Uri uri, ContentValues values) { + SQLiteDatabase db = mHelper.getWritableDatabase(); + long dataId = 0, noteId = 0, insertedId = 0; + + // 根据URI匹配码执行不同的插入操作 + switch (mMatcher.match(uri)) { + case URI_NOTE: // 插入一条笔记 + insertedId = noteId = db.insert(TABLE.NOTE, null, values); + break; + case URI_DATA: // 插入一条数据 + if (values.containsKey(DataColumns.NOTE_ID)) { + noteId = values.getAsLong(DataColumns.NOTE_ID); + } else { + Log.d(TAG, "Wrong data format without note id:" + values.toString()); + } + insertedId = dataId = db.insert(TABLE.DATA, null, values); + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); // 未知的URI类型 + } + + // 通知数据改变 + if (noteId > 0) { + getContext().getContentResolver().notifyChange(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), null); + } + if (dataId > 0) { + getContext().getContentResolver().notifyChange(ContentUris.withAppendedId(Notes.CONTENT_DATA_URI, dataId), null); + } + return ContentUris.withAppendedId(uri, insertedId); // 返回新记录的URI + } + + /** + * 处理删除请求。 + * + * @param uri 删除的URI + * @param selection 删除的条件 + * @param selectionArgs 删除条件的参数 + * @return 返回删除的记录数 + */ + @Override + public int delete(Uri uri, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean deleteData = false; + + // 根据URI匹配码执行不同的删除操作 + switch (mMatcher.match(uri)) { + case URI_NOTE: // 删除笔记 + selection = "(" + selection + ") AND " + NoteColumns.ID + ">0 "; + count = db.delete(TABLE.NOTE, selection, selectionArgs); + break; + case URI_NOTE_ITEM: // 删除单个笔记 + id = uri.getPathSegments().get(1); + long noteId = Long.valueOf(id); + if (noteId <= 0) { // 如果笔记ID小于等于0，不允许删除 + break; + } + count = db.delete(TABLE.NOTE, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; + case URI_DATA: // 删除数据 + count = db.delete(TABLE.DATA, selection, selectionArgs); + deleteData = true; + break; + case URI_DATA_ITEM: // 删除单个数据 + id = uri.getPathSegments().get(1); + count = db.delete(TABLE.DATA, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + deleteData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); // 未知的URI类型 + } + + // 如果删除成功，通知数据变化 + if (count > 0) { + if (deleteData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + /** + * 处理更新请求。 + * + * @param uri 更新的URI + * @param values 更新的内容 + * @param selection 更新的条件 + * @param selectionArgs 更新条件的参数 + * @return 返回更新的记录数 + */ + @Override + public int update(Uri uri, ContentValues values, String selection, String[] selectionArgs) { + int count = 0; + String id = null; + SQLiteDatabase db = mHelper.getWritableDatabase(); + boolean updateData = false; + + // 根据URI匹配码执行不同的更新操作 + switch (mMatcher.match(uri)) { + case URI_NOTE: // 更新笔记 + increaseNoteVersion(-1, selection, selectionArgs); // 更新笔记版本 + count = db.update(TABLE.NOTE, values, selection, selectionArgs); + break; + case URI_NOTE_ITEM: // 更新单个笔记 + id = uri.getPathSegments().get(1); + increaseNoteVersion(Long.valueOf(id), selection, selectionArgs); // 更新指定笔记版本 + count = db.update(TABLE.NOTE, values, NoteColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + break; + case URI_DATA: // 更新数据 + count = db.update(TABLE.DATA, values, selection, selectionArgs); + updateData = true; + break; + case URI_DATA_ITEM: // 更新单个数据 + id = uri.getPathSegments().get(1); + count = db.update(TABLE.DATA, values, DataColumns.ID + "=" + id + parseSelection(selection), selectionArgs); + updateData = true; + break; + default: + throw new IllegalArgumentException("Unknown URI " + uri); // 未知的URI类型 + } + + // 如果更新成功，通知数据变化 + if (count > 0) { + if (updateData) { + getContext().getContentResolver().notifyChange(Notes.CONTENT_NOTE_URI, null); + } + getContext().getContentResolver().notifyChange(uri, null); + } + return count; + } + + /** + * 辅助方法，解析选择条件。 + * + * @param selection 选择条件 + * @return 返回解析后的选择条件 + */ + private String parseSelection(String selection) { + return (!TextUtils.isEmpty(selection) ? " AND (" + selection + ')' : ""); + } + + /** + * 更新笔记的版本号。 + * + * @param id 笔记ID + * @param selection 选择条件 + * @param selectionArgs 选择条件参数 + */ + private void increaseNoteVersion(long id, String selection, String[] selectionArgs) { + StringBuilder sql = new StringBuilder(120); + sql.append("UPDATE "); + sql.append(TABLE.NOTE); + sql.append(" SET "); + sql.append(NoteColumns.VERSION); + sql.append("=" + NoteColumns.VERSION + "+1 "); + + if (id > 0 || !TextUtils.isEmpty(selection)) { + sql.append(" WHERE "); + } + if (id > 0) { + sql.append(NoteColumns.ID + "=" + String.valueOf(id)); + } + if (!TextUtils.isEmpty(selection)) { + String selectString = id > 0 ? parseSelection(selection) : selection; + for (String args : selectionArgs) { + selectString = selectString.replaceFirst("\\?", args); + } + sql.append(selectString); + } + + // 执行SQL更新版本 + mHelper.getWritableDatabase().execSQL(sql.toString()); + } + + @Override + public String getType(Uri uri) { + // TODO Auto-generated method stub + return null; + } +} diff --git a/gtask/data/MetaData.java b/gtask/data/MetaData.java new file mode 100644 index 0000000..8a56662 --- /dev/null +++ b/gtask/data/MetaData.java @@ -0,0 +1,90 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONException; +import org.json.JSONObject; + +// MetaData类继承自Task类，负责处理任务的元数据 +public class MetaData extends Task { + private final static String TAG = MetaData.class.getSimpleName(); // 用于日志记录的TAG + + private String mRelatedGid = null; // 存储相关任务的ID + + // 设置元数据，包括任务ID和相关的元信息 + public void setMeta(String gid, JSONObject metaInfo) { + try { + // 将任务ID放入元信息JSON对象中 + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + } catch (JSONException e) { + Log.e(TAG, "failed to put related gid"); // 记录错误 + } + setNotes(metaInfo.toString()); // 设置笔记内容为元信息的字符串表示 + setName(GTaskStringUtils.META_NOTE_NAME); // 设置名称 + } + + // 获取相关任务的ID + public String getRelatedGid() { + return mRelatedGid; + } + + // 检查当前对象是否值得保存 + @Override + public boolean isWorthSaving() { + return getNotes() != null; // 如果笔记内容不为空，则值得保存 + } + + // 从远程JSON对象设置内容 + @Override + public void setContentByRemoteJSON(JSONObject js) { + super.setContentByRemoteJSON(js); // 调用父类方法 + if (getNotes() != null) { + try { + // 将笔记内容转换为JSON对象 + JSONObject metaInfo = new JSONObject(getNotes().trim()); + // 获取相关任务的ID + mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); + } catch (JSONException e) { + Log.w(TAG, "failed to get related gid"); // 记录警告 + mRelatedGid = null; // 设置为null以表示失败 + } + } + } + + // 此方法不应被调用，抛出异常 + @Override + public void setContentByLocalJSON(JSONObject js) { + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + } + + // 此方法不应被调用，抛出异常 + @Override + public JSONObject getLocalJSONFromContent() { + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + } + + // 此方法不应被调用，抛出异常 + @Override + public int getSyncAction(Cursor c) { + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + } +} diff --git a/gtask/data/Node.java b/gtask/data/Node.java new file mode 100644 index 0000000..1ce7b51 --- /dev/null +++ b/gtask/data/Node.java @@ -0,0 +1,108 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import org.json.JSONObject; + +/** + * Node类是一个抽象类，表示一个同步节点，包含了节点的基本属性和同步操作。 + */ +public abstract class Node { + // 同步操作的常量定义 + public static final int SYNC_ACTION_NONE = 0; // 无操作 + public static final int SYNC_ACTION_ADD_REMOTE = 1; // 添加到远程 + public static final int SYNC_ACTION_ADD_LOCAL = 2; // 添加到本地 + public static final int SYNC_ACTION_DEL_REMOTE = 3; // 从远程删除 + public static final int SYNC_ACTION_DEL_LOCAL = 4; // 从本地删除 + public static final int SYNC_ACTION_UPDATE_REMOTE = 5; // 更新远程 + public static final int SYNC_ACTION_UPDATE_LOCAL = 6; // 更新本地 + public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; // 更新冲突 + public static final int SYNC_ACTION_ERROR = 8; // 错误 + + // 节点的基本属性 + private String mGid; // 唯一标识符 + private String mName; // 节点名称 + private long mLastModified; // 上次修改时间 + private boolean mDeleted; // 是否已删除 + + // 构造函数，初始化节点属性 + public Node() { + mGid = null; // 初始化 Gid 为 null + mName = ""; // 初始化名称为空字符串 + mLastModified = 0; // 初始化最后修改时间为 0 + mDeleted = false; // 初始化删除状态为 false + } + + // 抽象方法：获取创建操作的 JSON 对象 + public abstract JSONObject getCreateAction(int actionId); + + // 抽象方法：获取更新操作的 JSON 对象 + public abstract JSONObject getUpdateAction(int actionId); + + // 抽象方法：根据远程 JSON 设置内容 + public abstract void setContentByRemoteJSON(JSONObject js); + + // 抽象方法：根据本地 JSON 设置内容 + public abstract void setContentByLocalJSON(JSONObject js); + + // 抽象方法：从内容获取本地 JSON 对象 + public abstract JSONObject getLocalJSONFromContent(); + + // 抽象方法：根据 Cursor 获取同步操作 + public abstract int getSyncAction(Cursor c); + + // 设置 Gid + public void setGid(String gid) { + this.mGid = gid; + } + + // 设置名称 + public void setName(String name) { + this.mName = name; + } + + // 设置最后修改时间 + public void setLastModified(long lastModified) { + this.mLastModified = lastModified; + } + + // 设置删除状态 + public void setDeleted(boolean deleted) { + this.mDeleted = deleted; + } + + // 获取 Gid + public String getGid() { + return this.mGid; + } + + // 获取名称 + public String getName() { + return this.mName; + } + + // 获取最后修改时间 + public long getLastModified() { + return this.mLastModified; + } + + // 获取删除状态 + public boolean getDeleted() { + return this.mDeleted; + } +} diff --git a/gtask/data/SqlData.java b/gtask/data/SqlData.java new file mode 100644 index 0000000..0447243 --- /dev/null +++ b/gtask/data/SqlData.java @@ -0,0 +1,194 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.data; + +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.NotesDatabaseHelper.TABLE; +import net.micode.notes.gtask.exception.ActionFailureException; + +import org.json.JSONException; +import org.json.JSONObject; + +/** + * SqlData类用于处理与数据库交互的笔记数据，包括创建、读取和更新操作。 + */ +public class SqlData { + private static final String TAG = SqlData.class.getSimpleName(); // 日志标签 + + private static final int INVALID_ID = -99999; // 无效 ID 常量 + + // 定义用于查询的数据列 + public static final String[] PROJECTION_DATA = new String[] { + DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, + DataColumns.DATA3 + }; + + // 数据列索引 + public static final int DATA_ID_COLUMN = 0; + public static final int DATA_MIME_TYPE_COLUMN = 1; + public static final int DATA_CONTENT_COLUMN = 2; + public static final int DATA_CONTENT_DATA_1_COLUMN = 3; + public static final int DATA_CONTENT_DATA_3_COLUMN = 4; + + private ContentResolver mContentResolver; // 内容解析器，用于与内容提供者交互 + + private boolean mIsCreate; // 标识是否为新创建的数据 + + private long mDataId; // 数据 ID + private String mDataMimeType; // 数据 MIME 类型 + private String mDataContent; // 数据内容 + private long mDataContentData1; // 数据内容的附加信息 1 + private String mDataContentData3; // 数据内容的附加信息 3 + + private ContentValues mDiffDataValues; // 存储待更新的内容值 + + // 构造函数，初始化 SqlData 实例（用于创建新数据） + public SqlData(Context context) { + mContentResolver = context.getContentResolver(); // 获取内容解析器 + mIsCreate = true; // 设置为创建状态 + mDataId = INVALID_ID; // 初始化数据 ID + mDataMimeType = DataConstants.NOTE; // 默认 MIME 类型 + mDataContent = ""; // 初始化内容为空 + mDataContentData1 = 0; // 初始化附加信息 1 + mDataContentData3 = ""; // 初始化附加信息 3 + mDiffDataValues = new ContentValues(); // 初始化待更新内容值 + } + + // 构造函数，初始化 SqlData 实例（从游标加载数据） + public SqlData(Context context, Cursor c) { + mContentResolver = context.getContentResolver(); // 获取内容解析器 + mIsCreate = false; // 设置为非创建状态 + loadFromCursor(c); // 从游标加载数据 + mDiffDataValues = new ContentValues(); // 初始化待更新内容值 + } + + // 从游标加载数据 + private void loadFromCursor(Cursor c) { + mDataId = c.getLong(DATA_ID_COLUMN); // 获取数据 ID + mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); // 获取 MIME 类型 + mDataContent = c.getString(DATA_CONTENT_COLUMN); // 获取内容 + mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); // 获取附加信息 1 + mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); // 获取附加信息 3 + } + + // 设置内容，从 JSON 对象加载数据 + public void setContent(JSONObject js) throws JSONException { + long dataId = js.has(DataColumns.ID) ? js.getLong(DataColumns.ID) : INVALID_ID; // 获取 ID + if (mIsCreate || mDataId != dataId) { + mDiffDataValues.put(DataColumns.ID, dataId); // 更新 ID + } + mDataId = dataId; // 设置 ID + + String dataMimeType = js.has(DataColumns.MIME_TYPE) ? js.getString(DataColumns.MIME_TYPE) + : DataConstants.NOTE; // 获取 MIME 类型 + if (mIsCreate || !mDataMimeType.equals(dataMimeType)) { + mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); // 更新 MIME 类型 + } + mDataMimeType = dataMimeType; // 设置 MIME 类型 + + String dataContent = js.has(DataColumns.CONTENT) ? js.getString(DataColumns.CONTENT) : ""; // 获取内容 + if (mIsCreate || !mDataContent.equals(dataContent)) { + mDiffDataValues.put(DataColumns.CONTENT, dataContent); // 更新内容 + } + mDataContent = dataContent; // 设置内容 + + long dataContentData1 = js.has(DataColumns.DATA1) ? js.getLong(DataColumns.DATA1) : 0; // 获取附加信息 1 + if (mIsCreate || mDataContentData1 != dataContentData1) { + mDiffDataValues.put(DataColumns.DATA1, dataContentData1); // 更新附加信息 1 + } + mDataContentData1 = dataContentData1; // 设置附加信息 1 + + String dataContentData3 = js.has(DataColumns.DATA3) ? js.getString(DataColumns.DATA3) : ""; // 获取附加信息 3 + if (mIsCreate || !mDataContentData3.equals(dataContentData3)) { + mDiffDataValues.put(DataColumns.DATA3, dataContentData3); // 更新附加信息 3 + } + mDataContentData3 = dataContentData3; // 设置附加信息 3 + } + + // 获取内容，返回 JSON 对象 + public JSONObject getContent() throws JSONException { + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); // 日志警告 + return null; // 尚未创建，返回 null + } + JSONObject js = new JSONObject(); // 创建 JSON 对象 + js.put(DataColumns.ID, mDataId); // 设置 ID + js.put(DataColumns.MIME_TYPE, mDataMimeType); // 设置 MIME 类型 + js.put(DataColumns.CONTENT, mDataContent); // 设置内容 + js.put(DataColumns.DATA1, mDataContentData1); // 设置附加信息 1 + js.put(DataColumns.DATA3, mDataContentData3); // 设置附加信息 3 + return js; // 返回 JSON 对象 + } + + // 提交数据到数据库 + public void commit(long noteId, boolean validateVersion, long version) { + // 处理创建新数据的情况 + if (mIsCreate) { + if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { + mDiffDataValues.remove(DataColumns.ID); // 移除无效 ID + } + + mDiffDataValues.put(DataColumns.NOTE_ID, noteId); // 设置笔记 ID + Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); // 插入数据 + try { + mDataId = Long.valueOf(uri.getPathSegments().get(1)); // 获取新创建的 ID + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); // 日志错误 + throw new ActionFailureException("create note failed"); // 抛出异常 + } + } else { // 处理更新数据的情况 + if (mDiffDataValues.size() > 0) { // 如果有待更新的数据 + int result = 0; + if (!validateVersion) { + // 不进行版本验证直接更新 + result = mContentResolver.update(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); + } else { + // 进行版本验证更新 + result = mContentResolver.update(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, + " ? in (SELECT " + NoteColumns.ID + " FROM " + TABLE.NOTE + + " WHERE " + NoteColumns.VERSION + "=?)", new String[] { + String.valueOf(noteId), String.valueOf(version) + }); + } + if (result == 0) { + Log.w(TAG, "there is no update. maybe user updates note when syncing"); // 日志警告 + } + } + } + + mDiffDataValues.clear(); // 清空待更新数据 + mIsCreate = false; // 设置为非创建状态 + } + + // 获取数据 ID + public long getId() { + return mDataId; // 返回数据 ID + } +} diff --git a/gtask/data/SqlNote.java b/gtask/data/SqlNote.java new file mode 100644 index 0000000..79a4095 --- /dev/null +++ b/gtask/data/SqlNote.java @@ -0,0 +1,505 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.data; + +import android.appwidget.AppWidgetManager; +import android.content.ContentResolver; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.net.Uri; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; +import net.micode.notes.tool.ResourceParser; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.ArrayList; + + +public class SqlNote { + private static final String TAG = SqlNote.class.getSimpleName(); + + private static final int INVALID_ID = -99999; + + public static final String[] PROJECTION_NOTE = new String[] { + NoteColumns.ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, + NoteColumns.CREATED_DATE, NoteColumns.HAS_ATTACHMENT, NoteColumns.MODIFIED_DATE, + NoteColumns.NOTES_COUNT, NoteColumns.PARENT_ID, NoteColumns.SNIPPET, NoteColumns.TYPE, + NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.SYNC_ID, + NoteColumns.LOCAL_MODIFIED, NoteColumns.ORIGIN_PARENT_ID, NoteColumns.GTASK_ID, + NoteColumns.VERSION + }; + + public static final int ID_COLUMN = 0; + + public static final int ALERTED_DATE_COLUMN = 1; + + public static final int BG_COLOR_ID_COLUMN = 2; + + public static final int CREATED_DATE_COLUMN = 3; + + public static final int HAS_ATTACHMENT_COLUMN = 4; + + public static final int MODIFIED_DATE_COLUMN = 5; + + public static final int NOTES_COUNT_COLUMN = 6; + + public static final int PARENT_ID_COLUMN = 7; + + public static final int SNIPPET_COLUMN = 8; + + public static final int TYPE_COLUMN = 9; + + public static final int WIDGET_ID_COLUMN = 10; + + public static final int WIDGET_TYPE_COLUMN = 11; + + public static final int SYNC_ID_COLUMN = 12; + + public static final int LOCAL_MODIFIED_COLUMN = 13; + + public static final int ORIGIN_PARENT_ID_COLUMN = 14; + + public static final int GTASK_ID_COLUMN = 15; + + public static final int VERSION_COLUMN = 16; + + private Context mContext; + + private ContentResolver mContentResolver; + + private boolean mIsCreate; + + private long mId; + + private long mAlertDate; + + private int mBgColorId; + + private long mCreatedDate; + + private int mHasAttachment; + + private long mModifiedDate; + + private long mParentId; + + private String mSnippet; + + private int mType; + + private int mWidgetId; + + private int mWidgetType; + + private long mOriginParent; + + private long mVersion; + + private ContentValues mDiffNoteValues; + + private ArrayList mDataList; + + public SqlNote(Context context) { + mContext = context; + mContentResolver = context.getContentResolver(); + mIsCreate = true; + mId = INVALID_ID; + mAlertDate = 0; + mBgColorId = ResourceParser.getDefaultBgId(context); + mCreatedDate = System.currentTimeMillis(); + mHasAttachment = 0; + mModifiedDate = System.currentTimeMillis(); + mParentId = 0; + mSnippet = ""; + mType = Notes.TYPE_NOTE; + mWidgetId = AppWidgetManager.INVALID_APPWIDGET_ID; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; + mOriginParent = 0; + mVersion = 0; + mDiffNoteValues = new ContentValues(); + mDataList = new ArrayList(); + } + + public SqlNote(Context context, Cursor c) { + mContext = context; + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(c); + mDataList = new ArrayList(); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + mDiffNoteValues = new ContentValues(); + } + + public SqlNote(Context context, long id) { + mContext = context; + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(id); + mDataList = new ArrayList(); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + mDiffNoteValues = new ContentValues(); + + } + + private void loadFromCursor(long id) { + Cursor c = null; + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, PROJECTION_NOTE, "(_id=?)", + new String[] { + String.valueOf(id) + }, null); + if (c != null) { + c.moveToNext(); + loadFromCursor(c); + } else { + Log.w(TAG, "loadFromCursor: cursor = null"); + } + } finally { + if (c != null) + c.close(); + } + } + + private void loadFromCursor(Cursor c) { + mId = c.getLong(ID_COLUMN); + mAlertDate = c.getLong(ALERTED_DATE_COLUMN); + mBgColorId = c.getInt(BG_COLOR_ID_COLUMN); + mCreatedDate = c.getLong(CREATED_DATE_COLUMN); + mHasAttachment = c.getInt(HAS_ATTACHMENT_COLUMN); + mModifiedDate = c.getLong(MODIFIED_DATE_COLUMN); + mParentId = c.getLong(PARENT_ID_COLUMN); + mSnippet = c.getString(SNIPPET_COLUMN); + mType = c.getInt(TYPE_COLUMN); + mWidgetId = c.getInt(WIDGET_ID_COLUMN); + mWidgetType = c.getInt(WIDGET_TYPE_COLUMN); + mVersion = c.getLong(VERSION_COLUMN); + } + + private void loadDataContent() { + Cursor c = null; + mDataList.clear(); + try { + c = mContentResolver.query(Notes.CONTENT_DATA_URI, SqlData.PROJECTION_DATA, + "(note_id=?)", new String[] { + String.valueOf(mId) + }, null); + if (c != null) { + if (c.getCount() == 0) { + Log.w(TAG, "it seems that the note has not data"); + return; + } + while (c.moveToNext()) { + SqlData data = new SqlData(mContext, c); + mDataList.add(data); + } + } else { + Log.w(TAG, "loadDataContent: cursor = null"); + } + } finally { + if (c != null) + c.close(); + } + } + + public boolean setContent(JSONObject js) { + try { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + Log.w(TAG, "cannot set system folder"); + } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + // for folder we can only update the snnipet and type + String snippet = note.has(NoteColumns.SNIPPET) ? note + .getString(NoteColumns.SNIPPET) : ""; + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + mSnippet = snippet; + + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + } else if (note.getInt(NoteColumns.TYPE) == Notes.TYPE_NOTE) { + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + long id = note.has(NoteColumns.ID) ? note.getLong(NoteColumns.ID) : INVALID_ID; + if (mIsCreate || mId != id) { + mDiffNoteValues.put(NoteColumns.ID, id); + } + mId = id; + + long alertDate = note.has(NoteColumns.ALERTED_DATE) ? note + .getLong(NoteColumns.ALERTED_DATE) : 0; + if (mIsCreate || mAlertDate != alertDate) { + mDiffNoteValues.put(NoteColumns.ALERTED_DATE, alertDate); + } + mAlertDate = alertDate; + + int bgColorId = note.has(NoteColumns.BG_COLOR_ID) ? note + .getInt(NoteColumns.BG_COLOR_ID) : ResourceParser.getDefaultBgId(mContext); + if (mIsCreate || mBgColorId != bgColorId) { + mDiffNoteValues.put(NoteColumns.BG_COLOR_ID, bgColorId); + } + mBgColorId = bgColorId; + + long createDate = note.has(NoteColumns.CREATED_DATE) ? note + .getLong(NoteColumns.CREATED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mCreatedDate != createDate) { + mDiffNoteValues.put(NoteColumns.CREATED_DATE, createDate); + } + mCreatedDate = createDate; + + int hasAttachment = note.has(NoteColumns.HAS_ATTACHMENT) ? note + .getInt(NoteColumns.HAS_ATTACHMENT) : 0; + if (mIsCreate || mHasAttachment != hasAttachment) { + mDiffNoteValues.put(NoteColumns.HAS_ATTACHMENT, hasAttachment); + } + mHasAttachment = hasAttachment; + + long modifiedDate = note.has(NoteColumns.MODIFIED_DATE) ? note + .getLong(NoteColumns.MODIFIED_DATE) : System.currentTimeMillis(); + if (mIsCreate || mModifiedDate != modifiedDate) { + mDiffNoteValues.put(NoteColumns.MODIFIED_DATE, modifiedDate); + } + mModifiedDate = modifiedDate; + + long parentId = note.has(NoteColumns.PARENT_ID) ? note + .getLong(NoteColumns.PARENT_ID) : 0; + if (mIsCreate || mParentId != parentId) { + mDiffNoteValues.put(NoteColumns.PARENT_ID, parentId); + } + mParentId = parentId; + + String snippet = note.has(NoteColumns.SNIPPET) ? note + .getString(NoteColumns.SNIPPET) : ""; + if (mIsCreate || !mSnippet.equals(snippet)) { + mDiffNoteValues.put(NoteColumns.SNIPPET, snippet); + } + mSnippet = snippet; + + int type = note.has(NoteColumns.TYPE) ? note.getInt(NoteColumns.TYPE) + : Notes.TYPE_NOTE; + if (mIsCreate || mType != type) { + mDiffNoteValues.put(NoteColumns.TYPE, type); + } + mType = type; + + int widgetId = note.has(NoteColumns.WIDGET_ID) ? note.getInt(NoteColumns.WIDGET_ID) + : AppWidgetManager.INVALID_APPWIDGET_ID; + if (mIsCreate || mWidgetId != widgetId) { + mDiffNoteValues.put(NoteColumns.WIDGET_ID, widgetId); + } + mWidgetId = widgetId; + + int widgetType = note.has(NoteColumns.WIDGET_TYPE) ? note + .getInt(NoteColumns.WIDGET_TYPE) : Notes.TYPE_WIDGET_INVALIDE; + if (mIsCreate || mWidgetType != widgetType) { + mDiffNoteValues.put(NoteColumns.WIDGET_TYPE, widgetType); + } + mWidgetType = widgetType; + + long originParent = note.has(NoteColumns.ORIGIN_PARENT_ID) ? note + .getLong(NoteColumns.ORIGIN_PARENT_ID) : 0; + if (mIsCreate || mOriginParent != originParent) { + mDiffNoteValues.put(NoteColumns.ORIGIN_PARENT_ID, originParent); + } + mOriginParent = originParent; + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + SqlData sqlData = null; + if (data.has(DataColumns.ID)) { + long dataId = data.getLong(DataColumns.ID); + for (SqlData temp : mDataList) { + if (dataId == temp.getId()) { + sqlData = temp; + } + } + } + + if (sqlData == null) { + sqlData = new SqlData(mContext); + mDataList.add(sqlData); + } + + sqlData.setContent(data); + } + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; + } + return true; + } + + public JSONObject getContent() { + try { + JSONObject js = new JSONObject(); + + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + + JSONObject note = new JSONObject(); + if (mType == Notes.TYPE_NOTE) { + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.ALERTED_DATE, mAlertDate); + note.put(NoteColumns.BG_COLOR_ID, mBgColorId); + note.put(NoteColumns.CREATED_DATE, mCreatedDate); + note.put(NoteColumns.HAS_ATTACHMENT, mHasAttachment); + note.put(NoteColumns.MODIFIED_DATE, mModifiedDate); + note.put(NoteColumns.PARENT_ID, mParentId); + note.put(NoteColumns.SNIPPET, mSnippet); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.WIDGET_ID, mWidgetId); + note.put(NoteColumns.WIDGET_TYPE, mWidgetType); + note.put(NoteColumns.ORIGIN_PARENT_ID, mOriginParent); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + + JSONArray dataArray = new JSONArray(); + for (SqlData sqlData : mDataList) { + JSONObject data = sqlData.getContent(); + if (data != null) { + dataArray.put(data); + } + } + js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); + } else if (mType == Notes.TYPE_FOLDER || mType == Notes.TYPE_SYSTEM) { + note.put(NoteColumns.ID, mId); + note.put(NoteColumns.TYPE, mType); + note.put(NoteColumns.SNIPPET, mSnippet); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + } + + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + return null; + } + + public void setParentId(long id) { + mParentId = id; + mDiffNoteValues.put(NoteColumns.PARENT_ID, id); + } + + public void setGtaskId(String gid) { + mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); + } + + public void setSyncId(long syncId) { + mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); + } + + public void resetLocalModified() { + mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); + } + + public long getId() { + return mId; + } + + public long getParentId() { + return mParentId; + } + + public String getSnippet() { + return mSnippet; + } + + public boolean isNoteType() { + return mType == Notes.TYPE_NOTE; + } + + public void commit(boolean validateVersion) { + if (mIsCreate) { + if (mId == INVALID_ID && mDiffNoteValues.containsKey(NoteColumns.ID)) { + mDiffNoteValues.remove(NoteColumns.ID); + } + + Uri uri = mContentResolver.insert(Notes.CONTENT_NOTE_URI, mDiffNoteValues); + try { + mId = Long.valueOf(uri.getPathSegments().get(1)); + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + throw new ActionFailureException("create note failed"); + } + if (mId == 0) { + throw new IllegalStateException("Create thread id failed"); + } + + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) { + sqlData.commit(mId, false, -1); + } + } + } else { + if (mId <= 0 && mId != Notes.ID_ROOT_FOLDER && mId != Notes.ID_CALL_RECORD_FOLDER) { + Log.e(TAG, "No such note"); + throw new IllegalStateException("Try to update note with invalid id"); + } + if (mDiffNoteValues.size() > 0) { + mVersion ++; + int result = 0; + if (!validateVersion) { + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?)", new String[] { + String.valueOf(mId) + }); + } else { + result = mContentResolver.update(Notes.CONTENT_NOTE_URI, mDiffNoteValues, "(" + + NoteColumns.ID + "=?) AND (" + NoteColumns.VERSION + "<=?)", + new String[] { + String.valueOf(mId), String.valueOf(mVersion) + }); + } + if (result == 0) { + Log.w(TAG, "there is no update. maybe user updates note when syncing"); + } + } + + if (mType == Notes.TYPE_NOTE) { + for (SqlData sqlData : mDataList) { + sqlData.commit(mId, validateVersion, mVersion); + } + } + } + + // refresh local info + loadFromCursor(mId); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + + mDiffNoteValues.clear(); + mIsCreate = false; + } +} diff --git a/gtask/data/Task.java b/gtask/data/Task.java new file mode 100644 index 0000000..d51d834 --- /dev/null +++ b/gtask/data/Task.java @@ -0,0 +1,334 @@ +/* + * 版权所有 (c) 2010-2011, MiCode 开源社区 (www.micode.net) + * + * 根据 Apache License, Version 2.0 (以下简称“许可协议”) 授权; + * 除非遵守许可协议，否则不得使用此文件。 + * 您可以在以下网址获取许可协议的副本： + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 除非适用法律要求或书面同意，根据许可协议分发的软件按“原样”提供， + * 不提供任何明示或暗示的担保或条件。 + * 请参阅许可协议了解许可权限及限制。 + */ + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +// 任务类，继承自节点类 +public class Task extends Node { + private static final String TAG = Task.class.getSimpleName(); // 日志标签 + private boolean mCompleted; // 任务完成标记 + private String mNotes; // 任务的备注 + private JSONObject mMetaInfo; // 任务的元信息 + private Task mPriorSibling; // 前一个兄弟任务 + private TaskList mParent; // 任务的父任务列表 + + // 构造方法，初始化任务属性 + public Task() { + super(); + mCompleted = false; + mNotes = null; + mPriorSibling = null; + mParent = null; + mMetaInfo = null; + } + + // 创建任务的 JSON 对象 + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + // 设置动作类型为创建 + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + // 设置动作 ID + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + // 设置任务的索引 + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); + + // 设置实体数据 + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); + entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); + entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_TASK); + if (getNotes() != null) { + entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); + } + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + // 设置父任务 ID + js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); + + // 设置父任务类型 + js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_GROUP); + + // 设置任务列表 ID + js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); + + // 设置前一个兄弟任务 ID + if (mPriorSibling != null) { + js.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, mPriorSibling.getGid()); + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("创建任务 JSON 对象失败"); + } + + return js; + } + + // 更新任务的 JSON 对象 + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + try { + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); + if (getNotes() != null) { + entity.put(GTaskStringUtils.GTASK_JSON_NOTES, getNotes()); + } + entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("更新任务 JSON 对象失败"); + } + + return js; + } + + // 从远程 JSON 设置任务内容 + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { + setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); + } + if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { + setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); + } + if (js.has(GTaskStringUtils.GTASK_JSON_COMPLETED)) { + setCompleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_COMPLETED)); + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("从 JSON 获取任务内容失败"); + } + } + } + + // 从本地 JSON 设置任务内容 + public void setContentByLocalJSON(JSONObject js) { + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE) + || !js.has(GTaskStringUtils.META_HEAD_DATA)) { + Log.w(TAG, "setContentByLocalJSON: 数据为空"); + } + + try { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + + if (note.getInt(NoteColumns.TYPE) != Notes.TYPE_NOTE) { + Log.e(TAG, "无效类型"); + return; + } + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { + setName(data.getString(DataColumns.CONTENT)); + break; + } + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + // 获取本地 JSON 内容 + public JSONObject getLocalJSONFromContent() { + String name = getName(); + try { + if (mMetaInfo == null) { + if (name == null) { + Log.w(TAG, "笔记为空"); + return null; + } + JSONObject js = new JSONObject(); + JSONObject note = new JSONObject(); + JSONArray dataArray = new JSONArray(); + JSONObject data = new JSONObject(); + data.put(DataColumns.CONTENT, name); + dataArray.put(data); + js.put(GTaskStringUtils.META_HEAD_DATA, dataArray); + note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); + js.put(GTaskStringUtils.META_HEAD_NOTE, note); + return js; + } else { + JSONObject note = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + JSONArray dataArray = mMetaInfo.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (TextUtils.equals(data.getString(DataColumns.MIME_TYPE), DataConstants.NOTE)) { + data.put(DataColumns.CONTENT, getName()); + break; + } + } + + note.put(NoteColumns.TYPE, Notes.TYPE_NOTE); + return mMetaInfo; + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + // 设置元信息 + public void setMetaInfo(MetaData metaData) { + if (metaData != null && metaData.getNotes() != null) { + try { + mMetaInfo = new JSONObject(metaData.getNotes()); + } catch (JSONException e) { + Log.w(TAG, e.toString()); + mMetaInfo = null; + } + } + } + + // 获取同步操作 + public int getSyncAction(Cursor c) { + try { + JSONObject noteInfo = null; + if (mMetaInfo != null && mMetaInfo.has(GTaskStringUtils.META_HEAD_NOTE)) { + noteInfo = mMetaInfo.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + } + + if (noteInfo == null) { + Log.w(TAG, "笔记元数据已删除"); + return SYNC_ACTION_UPDATE_REMOTE; + } + + if (!noteInfo.has(NoteColumns.ID)) { + Log.w(TAG, "远程笔记 ID 似乎被删除"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + if (c.getLong(SqlNote.ID_COLUMN) != noteInfo.getLong(NoteColumns.ID)) { + Log.w(TAG, "笔记 ID 不匹配"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + return SYNC_ACTION_NONE; + } else { + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask ID 不匹配"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + return SYNC_ACTION_UPDATE_REMOTE; + } else { + return SYNC_ACTION_UPDATE_CONFLICT; + } + } + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + + return SYNC_ACTION_ERROR; + } + + // 检查任务是否值得保存 + public boolean isWorthSaving() { + return mMetaInfo != null || (getName() != null && getName().trim().length() > 0) + || (getNotes() != null && getNotes().trim().length() > 0); + } + + // 设置任务完成状态 + public void setCompleted(boolean completed) { + this.mCompleted = completed; + } + + // 设置备注 + public void setNotes(String notes) { + this.mNotes = notes; + } + + // 设置前一个兄弟任务 + public void setPriorSibling(Task priorSibling) { + this.mPriorSibling = priorSibling; + } + + // 设置父任务列表 + public void setParent(TaskList parent) { + this.mParent = parent; + } + + // 获取任务完成状态 + public boolean getCompleted() { + return this.mCompleted; + } + + // 获取备注 + public String getNotes() { + return this.mNotes; + } + + // 获取前一个兄弟任务 + public Task getPriorSibling() { + return this.mPriorSibling; + } + + // 获取父任务列表 + public TaskList getParent() { + return this.mParent; + } +} diff --git a/gtask/data/TaskList.java b/gtask/data/TaskList.java new file mode 100644 index 0000000..814b349 --- /dev/null +++ b/gtask/data/TaskList.java @@ -0,0 +1,351 @@ +/* + * 版权所有 (c) 2010-2011, MiCode 开源社区 (www.micode.net) + * + * 根据 Apache 许可证 2.0 版授权 ("许可证"); + * 只有在符合许可证的情况下，您才能使用此文件。 + * 您可以在以下位置获取许可证副本： + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * 除非适用法律要求或书面同意，按“原样”分发的许可证软件， + * 无任何明示或暗示的担保或条件。 + * 请参阅许可证以获取许可下的具体语言和限制。 + */ + +package net.micode.notes.gtask.data; + +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.ArrayList; + +/** + * 任务列表类，继承自节点类 + */ +public class TaskList extends Node { + private static final String TAG = TaskList.class.getSimpleName(); // 日志标签 + + private int mIndex; // 索引号 + + private ArrayList mChildren; // 子任务列表 + + // 构造函数 + public TaskList() { + super(); + mChildren = new ArrayList(); + mIndex = 1; + } + + /** + * 创建任务列表的JSON对象 + * @param actionId 动作ID + * @return 创建的JSON对象 + */ + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + try { + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); // 动作类型 + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 动作ID + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); // 索引 + + // 设置实体信息 + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 名称 + entity.put(GTaskStringUtils.GTASK_JSON_CREATOR_ID, "null"); // 创建者ID + entity.put(GTaskStringUtils.GTASK_JSON_ENTITY_TYPE, GTaskStringUtils.GTASK_JSON_TYPE_GROUP); // 实体类型 + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("生成任务列表创建JSON对象失败"); + } + return js; + } + + /** + * 更新任务列表的JSON对象 + * @param actionId 动作ID + * @return 更新的JSON对象 + */ + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + try { + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); // 动作类型 + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); // 动作ID + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); // 任务ID + + // 设置实体信息 + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); // 名称 + entity.put(GTaskStringUtils.GTASK_JSON_DELETED, getDeleted()); // 删除状态 + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("生成任务列表更新JSON对象失败"); + } + return js; + } + + /** + * 从远程JSON设置任务列表内容 + */ + public void setContentByRemoteJSON(JSONObject js) { + if (js != null) { + try { + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); // 设置ID + } + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); // 设置最后修改时间 + } + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); // 设置名称 + } + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("从JSON对象获取任务列表内容失败"); + } + } + } + + /** + * 从本地JSON设置任务列表内容 + */ + public void setContentByLocalJSON(JSONObject js) { + if (js == null || !js.has(GTaskStringUtils.META_HEAD_NOTE)) { + Log.w(TAG, "setContentByLocalJSON: 无可用内容"); + return; + } + + try { + JSONObject folder = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + + if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_FOLDER) { + String name = folder.getString(NoteColumns.SNIPPET); + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + name); + } else if (folder.getInt(NoteColumns.TYPE) == Notes.TYPE_SYSTEM) { + if (folder.getLong(NoteColumns.ID) == Notes.ID_ROOT_FOLDER) + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT); + else if (folder.getLong(NoteColumns.ID) == Notes.ID_CALL_RECORD_FOLDER) + setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE); + else + Log.e(TAG, "无效的系统文件夹"); + } else { + Log.e(TAG, "错误的类型"); + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + /** + * 获取任务列表内容并转换为本地JSON对象 + */ + public JSONObject getLocalJSONFromContent() { + try { + JSONObject js = new JSONObject(); + JSONObject folder = new JSONObject(); + String folderName = getName(); + + // 处理文件夹名称 + if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) { + folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length()); + } + + folder.put(NoteColumns.SNIPPET, folderName); + folder.put(NoteColumns.TYPE, folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) + || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE) + ? Notes.TYPE_SYSTEM : Notes.TYPE_FOLDER); + + js.put(GTaskStringUtils.META_HEAD_NOTE, folder); + + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + /** + * 根据游标信息获取同步操作类型 + */ + public int getSyncAction(Cursor c) { + try { + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // 没有本地更新 + return c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified() ? SYNC_ACTION_NONE : SYNC_ACTION_UPDATE_LOCAL; + } else { + // 验证任务ID + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "任务ID不匹配"); + return SYNC_ACTION_ERROR; + } + return c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified() ? SYNC_ACTION_UPDATE_REMOTE : SYNC_ACTION_UPDATE_REMOTE; + } + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + return SYNC_ACTION_ERROR; + } + + /** + * 获取子任务数量 + */ + public int getChildTaskCount() { + return mChildren.size(); + } + + /** + * 添加子任务 + */ + public boolean addChildTask(Task task) { + if (task != null && !mChildren.contains(task)) { + boolean ret = mChildren.add(task); + if (ret) { + task.setPriorSibling(mChildren.isEmpty() ? null : mChildren.get(mChildren.size() - 1)); + task.setParent(this); + } + return ret; + } + return false; + } + + /** + * 添加子任务到指定位置 + */ + public boolean addChildTask(Task task, int index) { + if (index < 0 || index > mChildren.size()) { + Log.e(TAG, "添加子任务：无效索引"); + return false; + } + if (task != null && mChildren.indexOf(task) == -1) { + mChildren.add(index, task); + + // 更新子任务链 + Task preTask = index != 0 ? mChildren.get(index - 1) : null; + Task afterTask = index != mChildren.size() - 1 ? mChildren.get(index + 1) : null; + + task.setPriorSibling(preTask); + if (afterTask != null) { + afterTask.setPriorSibling(task); + } + } + return true; + } + + /** + * 从任务列表中删除子任务 + */ + public boolean removeChildTask(Task task) { + int index = mChildren.indexOf(task); + if (index != -1) { + boolean ret = mChildren.remove(task); + if (ret) { + task.setPriorSibling(null); + task.setParent(null); + + // 更新任务链 + if (index != mChildren.size()) { + mChildren.get(index).setPriorSibling(index == 0 ? null : mChildren.get(index - 1)); + } + } + return ret; + } + return false; + } + + /** + * 移动子任务到指定位置 + */ + public boolean moveChildTask(Task task, int index) { + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "移动子任务：无效索引"); + return false; + } + int pos = mChildren.indexOf(task); + if (pos == -1) { + Log.e(TAG, "移动子任务：任务应在列表中"); + return false; + } + return pos == index || (removeChildTask(task) && addChildTask(task, index)); + } + + /** + * 通过GID查找子任务 + */ + public Task findChildTaskByGid(String gid) { + for (Task t : mChildren) { + if (t.getGid().equals(gid)) { + return t; + } + } + return null; + } + + /** + * 获取子任务的索引 + */ + public int getChildTaskIndex(Task task) { + return mChildren.indexOf(task); + } + + /** + * 通过索引获取子任务 + */ + public Task getChildTaskByIndex(int index) { + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "getTaskByIndex: 无效索引"); + return null; + } + return mChildren.get(index); + } + + /** + * 通过GID获取子任务 + */ + public Task getChilTaskByGid(String gid) { + for (Task task : mChildren) { + if (task.getGid().equals(gid)) { + return task; + } + } + return null; + } + + /** + * 获取子任务列表 + */ + public ArrayList getChildTaskList() { + return this.mChildren; + } + + /** + * 设置索引 + */ + public void setIndex(int index) { + this.mIndex = index; + } + + /** + * 获取索引 + */ + public int getIndex() { + return this.mIndex; + } +} diff --git a/gtask/exception/ActionFailureException.java b/gtask/exception/ActionFailureException.java new file mode 100644 index 0000000..7af63a6 --- /dev/null +++ b/gtask/exception/ActionFailureException.java @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.exception; + +/** + * ActionFailureException 类是用于表示操作失败时抛出的异常。 + * 它继承自 RuntimeException，因此它是一个非检查型异常（unchecked exception）， + * 这意味着在方法签名中不需要声明此异常可能会被抛出。 + */ +public class ActionFailureException extends RuntimeException { + + // 序列化版本唯一标识符，用于确保类的不同版本之间的兼容性。 + private static final long serialVersionUID = 4425249765923293627L; + + /** + * 构造一个没有详细信息消息和原因的 ActionFailureException。 + */ + public ActionFailureException() { + super(); + } + + /** + * 使用指定的详细信息消息构造一个新的 ActionFailureException。 + * @param paramString 提供更多关于异常的信息的消息字符串。 + */ + public ActionFailureException(String paramString) { + super(paramString); + } + + /** + * 使用指定的详细信息消息和原因构造一个新的 ActionFailureException。 + * @param paramString 提供更多关于异常的信息的消息字符串。 + * @param paramThrowable 导致当前异常的底层原因。 + */ + public ActionFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} \ No newline at end of file diff --git a/gtask/exception/NetworkFailureException.java b/gtask/exception/NetworkFailureException.java new file mode 100644 index 0000000..9e50613 --- /dev/null +++ b/gtask/exception/NetworkFailureException.java @@ -0,0 +1,52 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.exception; + +/** + * NetworkFailureException 类是用于表示网络操作失败时抛出的异常。 + * 它继承自 Exception，因此它是一个检查型异常（checked exception）， + * 这意味着在方法签名中需要声明此异常可能会被抛出，以确保调用者处理或重新抛出该异常。 + */ +public class NetworkFailureException extends Exception { + + // 序列化版本唯一标识符，用于确保类的不同版本之间的兼容性。 + private static final long serialVersionUID = 2107610287180234136L; + + /** + * 构造一个新的 NetworkFailureException，不带任何详细信息消息或原因。 + */ + public NetworkFailureException() { + super(); + } + + /** + * 使用指定的详细信息消息构造一个新的 NetworkFailureException。 + * @param message 提供更多关于异常的信息的消息字符串。 + */ + public NetworkFailureException(String message) { + super(message); + } + + /** + * 使用指定的详细信息消息和原因构造一个新的 NetworkFailureException。 + * @param message 提供更多关于异常的信息的消息字符串。 + * @param cause 导致当前异常的底层原因。 + */ + public NetworkFailureException(String message, Throwable cause) { + super(message, cause); + } +} \ No newline at end of file diff --git a/gtask/remote/GTaskASyncTask.java b/gtask/remote/GTaskASyncTask.java new file mode 100644 index 0000000..c9d2171 --- /dev/null +++ b/gtask/remote/GTaskASyncTask.java @@ -0,0 +1,174 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Notification; +import android.app.NotificationManager; +import android.app.PendingIntent; +import android.content.Context; +import android.content.Intent; +import android.os.AsyncTask; + +import net.micode.notes.R; +import net.micode.notes.ui.NotesListActivity; +import net.micode.notes.ui.NotesPreferenceActivity; + +/** + * GTaskASyncTask 类用于异步执行Google任务（GTask）同步操作。 + * 它继承自 AsyncTask，以便在后台线程中执行耗时的网络操作， + * 并通过主线程更新用户界面或发送通知。 + */ +public class GTaskASyncTask extends AsyncTask { + + // 用于同步操作的通知ID，确保唯一性。 + private static final int GTASK_SYNC_NOTIFICATION_ID = 5234235; + + /** + * 当同步完成时调用的接口。 + */ + public interface OnCompleteListener { + void onComplete(); + } + + // 上下文对象，用于访问应用资源和系统服务。 + private Context mContext; + + // 管理通知的服务。 + private NotificationManager mNotifiManager; + + // 负责管理与Google任务交互的任务管理器。 + private GTaskManager mTaskManager; + + // 同步完成后调用的监听器。 + private OnCompleteListener mOnCompleteListener; + + /** + * 构造一个新的 GTaskASyncTask 实例。 + * @param context 应用上下文。 + * @param listener 同步完成后的回调监听器。 + */ + public GTaskASyncTask(Context context, OnCompleteListener listener) { + mContext = context; + mOnCompleteListener = listener; + mNotifiManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); + mTaskManager = GTaskManager.getInstance(); + } + + /** + * 取消正在进行的同步操作。 + */ + public void cancelSync() { + mTaskManager.cancelSync(); + } + + /** + * 更新进度信息。 + * @param message 进度消息文本。 + */ + public void publishProgess(String message) { + publishProgress(new String[]{message}); + } + + /** + * 显示一个通知给用户。 + * @param tickerId 通知栏提示文字的资源ID。 + * @param content 通知内容文本。 + */ + private void showNotification(int tickerId, String content) { + Notification notification = new Notification(R.drawable.notification, + mContext.getString(tickerId), + System.currentTimeMillis()); + notification.defaults = Notification.DEFAULT_LIGHTS; + notification.flags = Notification.FLAG_AUTO_CANCEL; + + // 根据同步结果选择不同的PendingIntent + PendingIntent pendingIntent; + if (tickerId != R.string.ticker_success) { + pendingIntent = PendingIntent.getActivity(mContext, 0, + new Intent(mContext, NotesPreferenceActivity.class), 0); + } else { + pendingIntent = PendingIntent.getActivity(mContext, 0, + new Intent(mContext, NotesListActivity.class), 0); + } + + // 设置通知详情，并显示通知 + notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, pendingIntent); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); + } + + /** + * 在后台线程中执行的实际同步逻辑。 + */ + @Override + protected Integer doInBackground(Void... unused) { + // 发布登录进度信息 + publishProgess(mContext.getString(R.string.sync_progress_login, + NotesPreferenceActivity.getSyncAccountName(mContext))); + // 执行同步操作并返回状态码 + return mTaskManager.sync(mContext, this); + } + + /** + * 更新UI线程上的进度。 + */ + @Override + protected void onProgressUpdate(String... progress) { + // 显示同步中的通知 + showNotification(R.string.ticker_syncing, progress[0]); + // 如果上下文是GTaskSyncService，则广播进度信息 + if (mContext instanceof GTaskSyncService) { + ((GTaskSyncService) mContext).sendBroadcast(progress[0]); + } + } + + /** + * 同步完成后，在UI线程上执行此方法。 + */ + @Override + protected void onPostExecute(Integer result) { + // 根据同步结果显示不同通知 + switch(result) { + case GTaskManager.STATE_SUCCESS: + showNotification(R.string.ticker_success, + mContext.getString(R.string.success_sync_account, mTaskManager.getSyncAccount())); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); + break; + case GTaskManager.STATE_NETWORK_ERROR: + showNotification(R.string.ticker_fail, + mContext.getString(R.string.error_sync_network)); + break; + case GTaskManager.STATE_INTERNAL_ERROR: + showNotification(R.string.ticker_fail, + mContext.getString(R.string.error_sync_internal)); + break; + case GTaskManager.STATE_SYNC_CANCELLED: + showNotification(R.string.ticker_cancel, + mContext.getString(R.string.error_sync_cancelled)); + break; + } + + // 如果存在监听器，则启动新线程调用onComplete方法 + if (mOnCompleteListener != null) { + new Thread(new Runnable() { + @Override + public void run() { + mOnCompleteListener.onComplete(); + } + }).start(); + } + } +} \ No newline at end of file diff --git a/gtask/remote/GTaskClient.java b/gtask/remote/GTaskClient.java new file mode 100644 index 0000000..8ae8950 --- /dev/null +++ b/gtask/remote/GTaskClient.java @@ -0,0 +1,288 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.accounts.Account; +import android.accounts.AccountManager; +import android.accounts.AccountManagerFuture; +import android.app.Activity; +import android.os.Bundle; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.gtask.data.Node; +import net.micode.notes.gtask.data.Task; +import net.micode.notes.gtask.data.TaskList; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.gtask.exception.NetworkFailureException; +import net.micode.notes.tool.GTaskStringUtils; +import net.micode.notes.ui.NotesPreferenceActivity; + +import org.apache.http.HttpEntity; +import org.apache.http.HttpResponse; +import org.apache.http.client.ClientProtocolException; +import org.apache.http.client.entity.UrlEncodedFormEntity; +import org.apache.http.client.methods.HttpGet; +import org.apache.http.client.methods.HttpPost; +import org.apache.http.cookie.Cookie; +import org.apache.http.impl.client.BasicCookieStore; +import org.apache.http.impl.client.DefaultHttpClient; +import org.apache.http.message.BasicNameValuePair; +import org.apache.http.params.BasicHttpParams; +import org.apache.http.params.HttpConnectionParams; +import org.apache.http.params.HttpParams; +import org.apache.http.params.HttpProtocolParams; +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.io.BufferedReader; +import java.io.IOException; +import java.io.InputStream; +import java.io.InputStreamReader; +import java.util.LinkedList; +import java.util.List; +import java.util.zip.GZIPInputStream; +import java.util.zip.Inflater; +import java.util.zip.InflaterInputStream; + +// GTaskClient 类用于与 Google Tasks 进行交互，主要包含任务和任务列表的创建、删除、修改等操作 +public class GTaskClient { + private static final String TAG = GTaskClient.class.getSimpleName(); + + // 定义 GTASK 的 URL 地址 + private static final String GTASK_URL = "https://mail.google.com/tasks/"; + private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; + private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; + + private static GTaskClient mInstance = null; // 单例对象 + private DefaultHttpClient mHttpClient; // HTTP 客户端 + private String mGetUrl; // GET 请求 URL + private String mPostUrl; // POST 请求 URL + private long mClientVersion; // 客户端版本 + private boolean mLoggedin; // 登录状态 + private long mLastLoginTime; // 上次登录时间 + private int mActionId; // 操作 ID，用于唯一标识每个操作 + private Account mAccount; // 当前登录的 Google 帐号 + private JSONArray mUpdateArray; // 更新操作数组 + + // 私有化构造方法，避免外部实例化 + private GTaskClient() { + mHttpClient = null; + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + mClientVersion = -1; + mLoggedin = false; + mLastLoginTime = 0; + mActionId = 1; + mAccount = null; + mUpdateArray = null; + } + + // 单例模式获取 GTaskClient 实例 + public static synchronized GTaskClient getInstance() { + if (mInstance == null) { + mInstance = new GTaskClient(); + } + return mInstance; + } + + // 登录方法，返回是否成功 + public boolean login(Activity activity) { + // 每 5 分钟重新登录一次 + final long interval = 1000 * 60 * 5; + if (mLastLoginTime + interval < System.currentTimeMillis()) { + mLoggedin = false; + } + + // 如果切换了帐号，也需要重新登录 + if (mLoggedin && !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) { + mLoggedin = false; + } + + if (mLoggedin) { + Log.d(TAG, "已经登录"); + return true; + } + + mLastLoginTime = System.currentTimeMillis(); + String authToken = loginGoogleAccount(activity, false); + if (authToken == null) { + Log.e(TAG, "Google 帐号登录失败"); + return false; + } + + // 如果是自定义域名帐号，需要构建对应的 URL + if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase().endsWith("googlemail.com"))) { + StringBuilder url = new StringBuilder(GTASK_URL).append("a/"); + int index = mAccount.name.indexOf('@') + 1; + String suffix = mAccount.name.substring(index); + url.append(suffix + "/"); + mGetUrl = url.toString() + "ig"; + mPostUrl = url.toString() + "r/ig"; + + if (tryToLoginGtask(activity, authToken)) { + mLoggedin = true; + } + } + + // 尝试使用 Google 官方 URL 登录 + if (!mLoggedin) { + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + if (!tryToLoginGtask(activity, authToken)) { + return false; + } + } + + mLoggedin = true; + return true; + } + + // 获取授权令牌 + private String loginGoogleAccount(Activity activity, boolean invalidateToken) { + String authToken; + AccountManager accountManager = AccountManager.get(activity); + Account[] accounts = accountManager.getAccountsByType("com.google"); + + if (accounts.length == 0) { + Log.e(TAG, "没有可用的 Google 帐号"); + return null; + } + + // 根据设置中的帐号名称来选择帐户 + String accountName = NotesPreferenceActivity.getSyncAccountName(activity); + Account account = null; + for (Account a : accounts) { + if (a.name.equals(accountName)) { + account = a; + break; + } + } + if (account != null) { + mAccount = account; + } else { + Log.e(TAG, "无法找到相同名称的帐户"); + return null; + } + + // 获取授权令牌 + AccountManagerFuture accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); + try { + Bundle authTokenBundle = accountManagerFuture.getResult(); + authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); + if (invalidateToken) { + accountManager.invalidateAuthToken("com.google", authToken); + loginGoogleAccount(activity, false); + } + } catch (Exception e) { + Log.e(TAG, "获取授权令牌失败"); + authToken = null; + } + + return authToken; + } + + // 尝试登录 Google 任务 + private boolean tryToLoginGtask(Activity activity, String authToken) { + if (!loginGtask(authToken)) { + // 如果授权令牌过期，重新登录 + authToken = loginGoogleAccount(activity, true); + if (authToken == null) { + Log.e(TAG, "Google 帐号登录失败"); + return false; + } + + if (!loginGtask(authToken)) { + Log.e(TAG, "登录 Google Tasks 失败"); + return false; + } + } + return true; + } + + // 通过授权令牌登录 Google Tasks + private boolean loginGtask(String authToken) { + int timeoutConnection = 10000; + int timeoutSocket = 15000; + HttpParams httpParameters = new BasicHttpParams(); + HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection); + HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket); + mHttpClient = new DefaultHttpClient(httpParameters); + BasicCookieStore localBasicCookieStore = new BasicCookieStore(); + mHttpClient.setCookieStore(localBasicCookieStore); + HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false); + + // 登录 Google 任务 + try { + String loginUrl = mGetUrl + "?auth=" + authToken; + HttpGet httpGet = new HttpGet(loginUrl); + HttpResponse response = mHttpClient.execute(httpGet); + + // 获取 Cookie + List cookies = mHttpClient.getCookieStore().getCookies(); + boolean hasAuthCookie = false; + for (Cookie cookie : cookies) { + if (cookie.getName().contains("GTL")) { + hasAuthCookie = true; + } + } + if (!hasAuthCookie) { + Log.w(TAG, "未找到授权 Cookie"); + } + + // 获取客户端版本 + String resString = getResponseContent(response.getEntity()); + String jsBegin = "_setup("; + String jsEnd = ");"; + + int beginIndex = resString.indexOf(jsBegin); + int endIndex = resString.indexOf(jsEnd); + if (beginIndex != -1 && endIndex != -1) { + String jsonString = resString.substring(beginIndex + jsBegin.length(), endIndex); + JSONObject jsonObject = new JSONObject(jsonString); + mClientVersion = jsonObject.optLong("clientVersion", -1); + } + return true; + } catch (Exception e) { + Log.e(TAG, "登录失败：" + e.getMessage()); + return false; + } + } + + // 获取 HTTP 响应内容 + private String getResponseContent(HttpEntity entity) throws IOException { + InputStream inputStream = entity.getContent(); + BufferedReader bufferedReader = new BufferedReader(new InputStreamReader(inputStream)); + StringBuilder stringBuilder = new StringBuilder(); + String line; + while ((line = bufferedReader.readLine()) != null) { + stringBuilder.append(line).append("\n"); + } + return stringBuilder.toString(); + } + + // 获取当前同步的 Google 帐号 + public Account getSyncAccount() { + return mAccount; + } + + // 获取已登录状态 + public boolean isLoggedin() { + return mLoggedin; + } +} diff --git a/gtask/remote/GTaskManager.java b/gtask/remote/GTaskManager.java new file mode 100644 index 0000000..6a3f39c --- /dev/null +++ b/gtask/remote/GTaskManager.java @@ -0,0 +1,805 @@ +/* + * Copyright (c) 2010 - 2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Activity; +import android.content.ContentResolver; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.database.Cursor; +import android.util.Log; + +import net.micode.notes.R; +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.gtask.data.MetaData; +import net.micode.notes.gtask.data.Node; +import net.micode.notes.gtask.data.SqlNote; +import net.micode.notes.gtask.data.Task; +import net.micode.notes.gtask.data.TaskList; +import net.micode.notes.gtask.exception.ActionFailureException; +import net.micode.notes.gtask.exception.NetworkFailureException; +import net.micode.notes.tool.DataUtils; +import net.micode.notes.tool.GTaskStringUtils; + +import org.json.JSONArray; +import org.json.JSONException; +import org.json.JSONObject; + +import java.util.HashMap; +import java.util.HashSet; +import java.util.Iterator; +import java.util.Map; + +// GTaskManager类用于管理与Google Task的同步操作等相关功能 +public class GTaskManager { + private static final String TAG = GTaskManager.class.getSimpleName(); + + // 同步成功状态码 + public static final int STATE_SUCCESS = 0; + // 网络错误状态码 + public static final int STATE_NETWORK_ERROR = 1; + // 内部错误状态码 + public static final int STATE_INTERNAL_ERROR = 2; + // 同步正在进行状态码 + public static final int STATE_SYNC_IN_PROGRESS = 3; + // 同步已取消状态码 + public static final int STATE_SYNC_CANCELLED = 4; + + private static GTaskManager mInstance = null; + + // 关联的Activity，用于获取认证令牌等操作 + private Activity mActivity; + // 上下文对象 + private Context mContext; + // 内容解析器，用于操作内容提供器相关数据 + private ContentResolver mContentResolver; + // 标记是否正在同步 + private boolean mSyncing; + // 标记同步是否已取消 + private boolean mCancelled; + // 存储Google Task列表的哈希表，以任务列表的GID为键，对应的TaskList对象为值 + private HashMap mGTaskListHashMap; + // 存储Google Task节点的哈希表，以任务的GID为键，对应的Node对象为值 + private HashMap mGTaskHashMap; + // 存储元数据的哈希表，以相关GID为键，对应的MetaData对象为值 + private HashMap mMetaHashMap; + // 元数据列表对象 + private TaskList mMetaList; + // 存储本地要删除的记录的ID集合 + private HashSet mLocalDeleteIdMap; + // 存储Google任务的GID到本地记录ID的映射关系 + private HashMap mGidToNid; + // 存储本地记录ID到Google任务的GID的映射关系 + private HashMap mNidToGid; + + // 私有构造函数，用于初始化相关成员变量 + private GTaskManager() { + mSyncing = false; + mCancelled = false; + mGTaskListHashMap = new HashMap(); + mGTaskHashMap = new HashMap(); + mMetaHashMap = new HashMap(); + mMetaList = null; + mLocalDeleteIdMap = new HashSet(); + mGidToNid = new HashMap(); + mNidToGid = new HashMap(); + } + + // 获取GTaskManager的单例实例 + public static synchronized GTaskManager getInstance() { + if (mInstance == null) { + mInstance = new GTaskManager(); + } + return mInstance; + } + + // 设置关联的Activity上下文，主要用于获取认证令牌等操作 + public synchronized void setActivityContext(Activity activity) { + // used for getting authtoken + mActivity = activity; + } + + // 执行同步操作的核心方法，根据不同情况进行与Google Task的同步流程 + public int sync(Context context, GTaskASyncTask asyncTask) { + if (mSyncing) { + Log.d(TAG, "Sync is in progress"); + return STATE_SYNC_IN_PROGRESS; + } + mContext = context; + mContentResolver = mContext.getContentResolver(); + mSyncing = true; + mCancelled = false; + // 清除之前同步相关的数据缓存 + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + + try { + GTaskClient client = GTaskClient.getInstance(); + client.resetUpdateArray(); + + // 登录Google Task，如果取消则不执行登录操作，登录失败抛出网络异常 + if (!mCancelled) { + if (!client.login(mActivity)) { + throw new NetworkFailureException("login google task failed"); + } + } + + // 发布初始化任务列表的进度提示 + asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); + initGTaskList(); + + // 发布正在同步内容的进度提示 + asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); + syncContent(); + } catch (NetworkFailureException e) { + Log.e(TAG, e.toString()); + return STATE_NETWORK_ERROR; + } catch (ActionFailureException e) { + Log.e(TAG, e.toString()); + return STATE_INTERNAL_ERROR; + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return STATE_INTERNAL_ERROR; + } finally { + // 无论如何，最终都要清除同步相关的数据缓存，并重置同步状态 + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + mSyncing = false; + } + + return mCancelled? STATE_SYNC_CANCELLED : STATE_SUCCESS; + } + + // 初始化Google Task列表，从Google获取任务列表信息并进行相关处理 + private void initGTaskList() throws NetworkFailureException { + if (mCancelled) + return; + GTaskClient client = GTaskClient.getInstance(); + try { + // 获取Google Task列表的JSON数组表示 + JSONArray jsTaskLists = client.getTaskLists(); + + // 先初始化元数据列表，查找特定名称的元数据列表 + mMetaList = null; + for (int i = 0; i < jsTaskLists.length(); i++) { + JSONObject object = jsTaskLists.getJSONObject(i); + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { + mMetaList = new TaskList(); + mMetaList.setContentByRemoteJSON(object); + + // 加载元数据，获取对应任务列表下的元数据数组并逐个处理 + JSONArray jsMetas = client.getTaskList(gid); + for (int j = 0; j < jsMetas.length(); j++) { + object = (JSONObject) jsMetas.getJSONObject(j); + MetaData metaData = new MetaData(); + metaData.setContentByRemoteJSON(object); + if (metaData.isWorthSaving()) { + mMetaList.addChildTask(metaData); + if (metaData.getGid()!= null) { + mMetaHashMap.put(metaData.getRelatedGid(), metaData); + } + } + } + } + } + + // 如果元数据列表不存在，则创建一个新的元数据列表并上传到Google + if (mMetaList == null) { + mMetaList = new TaskList(); + mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META); + GTaskClient.getInstance().createTaskList(mMetaList); + } + + // 初始化常规任务列表，遍历任务列表数组，创建并填充TaskList对象以及其包含的Task对象 + for (int i = 0; i < jsTaskLists.length(); i++) { + JSONObject object = jsTaskLists.getJSONObject(i); + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) && + !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { + TaskList tasklist = new TaskList(); + tasklist.setContentByRemoteJSON(object); + mGTaskListHashMap.put(gid, tasklist); + mGTaskHashMap.put(gid, tasklist); + + // 加载任务，获取对应任务列表下的任务数组并逐个处理 + JSONArray jsTasks = client.getTaskList(gid); + for (int j = 0; j < jsTasks.length(); j++) { + object = (JSONObject) jsTasks.getJSONObject(j); + gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + Task task = new Task(); + task.setContentByRemoteJSON(object); + if (task.isWorthSaving()) { + task.setMetaInfo(mMetaHashMap.get(gid)); + tasklist.addChildTask(task); + mGTaskHashMap.put(gid, task); + } + } + } + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("initGTaskList: handing JSONObject failed"); + } + } + + // 同步内容的主要方法，协调本地和远程数据的同步操作 + private void syncContent() throws NetworkFailureException { + int syncType; + Cursor c = null; + String gid; + Node node; + + mLocalDeleteIdMap.clear(); + + if (mCancelled) { + return; + } + + // 处理本地已删除的笔记，查询本地已删除笔记并与远程数据对比进行相应同步操作 + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type<>? AND parent_id=?)", new String[] { + String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) + }, null); + if (c!= null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c); + } + + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + } + } else { + Log.w(TAG, "failed to query trash folder"); + } + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + + // 同步文件夹相关数据 + syncFolder(); + + // 处理数据库中已存在的笔记，查询并根据情况确定同步类型，然后执行相应同步操作 + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type=? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c!= null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); + mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); + syncType = node.getSyncAction(c); + } else { + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + // 本地新增情况 + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // 远程删除情况 + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing note in database"); + } + + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + + // 处理剩余的未处理的任务，进行添加本地任务的同步操作 + Iterator> iter = mGTaskHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + node = entry.getValue(); + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); + } + + // 如果未取消同步，清除本地已删除的记录 + // mCancelled可以被其他线程设置，所以需要逐个检查 + if (!mCancelled) { + if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) { + throw new ActionFailureException("failed to batch-delete local deleted notes"); + } + } + + // 如果未取消同步，提交更新并刷新本地同步ID + if (!mCancelled) { + GTaskClient.getInstance().commitUpdate(); + refreshLocalSyncId(); + } + + } + + // 同步文件夹的具体操作方法，处理不同类型文件夹（根文件夹、通话记录文件夹、本地现有文件夹、远程新增文件夹等）的同步 + private void syncFolder() throws NetworkFailureException { + Cursor c = null; + String gid; + Node node; + int syncType; + + if (mCancelled) { + return; + } + + // 处理根文件夹的同步操作，查询根文件夹并根据情况进行相应同步操作 + try { + c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, + Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null); + if (c!= null) { + c.moveToNext(); + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER); + mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid); + // 对于系统文件夹，仅在必要时更新远程名称 + if (!node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) + doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); + } else { + doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); + } + } else { + Log.w(TAG, "failed to query root folder"); + } + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + + // 处理通话记录文件夹的同步操作，查询通话记录文件夹并根据情况进行相应同步操作 + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)", + new String[] { + String.valueOf(Notes.ID_CALL_RECORD_FOLDER) + }, null); + if (c!= null) { + if (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER); + mNidToGid.put((long) Notes.ID_CALL_RECORD } + } else { + Log.w(TAG, "failed to query call note folder"); + } + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + + // 处理本地现有文件夹的同步操作，查询本地现有文件夹并根据情况确定同步类型，然后执行相应同步操作 + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type=? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c!= null) { + while (c.moveToNext()) { + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); + mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); + syncType = node.getSyncAction(c); + } else { + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + // 本地添加情况 + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // 远程删除情况 + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing folder"); + } + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + + // 处理远程添加的文件夹，遍历远程任务列表哈希表，进行相应添加本地任务的同步操作 + Iterator> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + gid = entry.getKey(); + node = entry.getValue(); + if (mGTaskHashMap.containsKey(gid)) { + mGTaskHashMap.remove(gid); + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); + } + } + + if (!mCancelled) + GTaskClient.getInstance().commitUpdate(); + } + + // 根据不同的同步类型执行具体的内容同步操作，如添加本地节点、添加远程节点、删除本地节点、删除远程节点等 + private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + MetaData meta; + switch (syncType) { + case Node.SYNC_ACTION_ADD_LOCAL: + addLocalNode(node); + break; + case Node.SYNC_ACTION_ADD_REMOTE: + addRemoteNode(node, c); + break; + case Node.SYNC_ACTION_DEL_LOCAL: + meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN)); + if (meta!= null) { + GTaskClient.getInstance().deleteNode(meta); + } + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + break; + case Node.SYNC_ACTION_DEL_REMOTE: + meta = mMetaHashMap.get(node.getGid()); + if (meta!= null) { + GTaskClient.getInstance().deleteNode(meta); + } + GTaskClient.getInstance().deleteNode(node); + break; + case Node.SYNC_ACTION_UPDATE_LOCAL: + updateLocalNode(node, c); + break; + case Node.SYNC_ACTION_UPDATE_REMOTE: + updateRemoteNode(node, c); + break; + case Node.SYNC_ACTION_UPDATE_CONFLICT: + // 合并双方修改可能是个好主意，目前简单使用本地更新 + updateRemoteNode(node, c); + break; + case Node.SYNC_ACTION_NONE: + break; + case Node.SYNC_ACTION_ERROR: + default: + throw new ActionFailureException("unkown sync action type"); + } + } + + // 添加本地节点的操作方法，根据节点类型（任务列表或普通任务）创建对应的本地记录并进行相关设置和更新 + private void addLocalNode(Node node) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote; + if (node instanceof TaskList) { + if (node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) { + sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER); + } else if (node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) { + sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER); + } else { + sqlNote = new SqlNote(mContext); + sqlNote.setContent(node.getLocalJSONFromContent()); + sqlNote.setParentId(Notes.ID_ROOT_FOLDER); + } + } else { + sqlNote = new SqlNote(mContext); + JSONObject js = node.getLocalJSONFromContent(); + try { + if (js.has(GTaskStringUtils.META_HEAD_NOTE)) { + JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE); + if (note.has(NoteColumns.ID)) { + long id = note.getLong(NoteColumns.ID); + if (DataUtils.existInNoteDatabase(mContentResolver, id)) { + // 如果ID已存在，需要创建一个新的，移除原来的ID + note.remove(NoteColumns.ID); + } + } + } + + if (js.has(GTaskStringUtils.META_HEAD_DATA)) { + JSONArray dataArray = js.getJSONArray(GTaskStringUtils.META_HEAD_DATA); + for (int i = 0; i < dataArray.length(); i++) { + JSONObject data = dataArray.getJSONObject(i); + if (data.has(DataColumns.ID)) { + long dataId = data.getLong(DataColumns.ID); + if (DataUtils.existInDataDatabase(mContentResolver, dataId)) { + // 如果数据ID已存在，需要创建一个新的，移除原来的ID + data.remove(DataColumns.ID); + } + } + } + + } + } catch (JSONException e) { + Log.w(TAG, e.toString()); + e.printStackTrace(); + } + sqlNote.setContent(js); + + Long parentId = mGidToNid.get(((Task) node).getParent().getGid()); + if (parentId == null) { + Log.e(TAG, "cannot find task's parent id locally"); + throw new ActionFailureException("cannot add local node"); + } + sqlNote.setParentId(parentId.longValue()); + } + + // 创建本地节点，提交到本地数据库（不触发本地修改检查） + sqlNote.setGtaskId(node.getGid()); + sqlNote.commit(false); + + // 更新GID和本地记录ID的映射关系 + mGidToNid.put(node.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), node.getGid()); + + // 更新远程元数据相关信息 + updateRemoteMeta(node.getGid(), sqlNote); + } + + // 更新本地节点的操作方法，更新本地记录的内容、父节点等信息，并更新远程元数据相关信息 + private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote; + // 根据传入的游标更新本地记录内容 + sqlNote = new SqlNote(mContext, c); + sqlNote.setContent(node.getLocalJSONFromContent()); + + Long parentId = (node instanceof Task)? mGidToNid.get(((Task) node).getParent().getGid()) + : new Long(Notes.ID_ROOT_FOLDER); + if (parentId == null) { + Log.e(TAG, "cannot find task's parent id locally"); + throw new ActionFailureException("cannot update local node"); + } + sqlNote.setParentId(parentId.longValue()); + sqlNote.commit(true); + + // 更新远程元数据相关信息 + updateRemoteMeta(node.getGid(), sqlNote); + } + + // 添加远程节点的操作方法，根据节点类型（任务或任务列表）在远程进行相应创建操作，并更新本地记录相关信息和映射关系 + private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote = new SqlNote(mContext, c); + Node n; + + // 根据节点类型进行不同的远程更新操作 + if (sqlNote.isNoteType()) { + Task task = new Task(); + task.setContentByLocalJSON(sqlNote.getContent()); + + String parentGid = mNidToGid.get(sqlNote.getParentId()); + if (parentGid == null) { + Log.e(TAG, "cannot find task's parent tasklist"); + throw new ActionFailureException("cannot add remote task"); + } + mGTaskListHashMap.get(parentGid).addChildTask(task); + + GTaskClient.getInstance().createTask(task); + n = (Node) task; + + // 添加元数据相关更新 + updateRemoteMeta(task.getGid(), sqlNote); + } else { + TaskList tasklist = null; + + // 根据不同的本地记录ID确定文件夹名称，查找是否已存在同名文件夹 + String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX; + if (sqlNote.getId() == Notes.ID_ROOT_FOLDER) + folderName += GTaskStringUtils.FOLDER_DEFAULT; + else if (sqlNote.getId() == Notes.ID_CALL_RECORD_FOLDER) + folderName += GTaskStringUtils.FOLDER_CALL_NOTE; + else + folderName += sqlNote.getSnippet(); + + Iterator> iter = mGTaskListHashMap.entrySet().iterator(); + while (iter.hasNext()) { + Map.Entry entry = iter.next(); + String gid = entry.getKey(); + TaskList list = entry.getValue(); + + if (list.getName().equals(folderName)) { + tasklist = list; + if (mGTaskHashMap.containsKey(gid)) { + mGTaskHashMap.remove(gid); + } + break; + } + } + + // 如果没有找到同名文件夹，则创建新的任务列表并上传到远程 + if (tasklist == null) { + tasklist = new TaskList(); + tasklist.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().createTaskList(tasklist); + mGTaskListHashMap.put(tasklist.getGid(), tasklist); + } + n = (Node) tasklist; + } + + // 更新本地记录的GID等信息，并提交到本地数据库（先提交不触发本地修改检查，再提交触发检查） + sqlNote.setGtaskId(n.getGid()); + sqlNote.commit(false); + sqlNote.resetLocalModified(); + sqlNote.commit(true); + + // 更新GID和本地记录ID的映射关系 + mGidToNid.put(n.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), n.getGid()); + } + + // 更新远程节点的操作方法，更新远程节点内容、移动任务（如果需要）、清除本地修改标记等操作，并更新远程元数据相关信息 + private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + + SqlNote sqlNote = new SqlNote(mContext, c); + + // 更新远程节点内容 + node.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().addUpdateNode(node); + + // 更新远程元数据相关信息 + updateRemoteMeta(node.getGid(), sqlNote); + + // 如果是任务类型，检查是否需要移动任务到不同的任务列表 + if (sqlNote.isNoteType()) { + Task task = (Task) node; + TaskList preParentList = task.getParent(); + + String curParentGid = mNidToGid.get(sqlNote.getParentId()); + if (curParentGid == null) { + Log.e(TAG, "cannot find task's parent tasklist"); + throw new ActionFailureException("cannot update remote task"); + } + TaskList curParentList = mGTaskListHashMap.get(curParentGid); + + if (preParentList!= curParentList) { + preParentList.removeChildTask(task); + curParentList.addChildTask(task); + GTaskClient.getInstance().moveTask(task, preParentList, curParentList); + } + } + + // 清除本地修改标记并提交到本地数据库 + sqlNote.resetLocalModified(); + sqlNote.commit(true); + } + + // 更新远程元数据的操作方法，根据情况更新已存在的元数据或者创建新的元数据并上传到远程 + private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { + if (sqlNote!= null && sqlNote.isNoteType()) { + MetaData metaData = mMetaHashMap.get(gid); + if (metaData!= null) { + metaData.setMeta(gid, sqlNote.getContent()); + GTaskClient.getInstance().addUpdateNode(metaData); + } else { + metaData = new MetaData(); + metaData.setMeta(gid, sqlNote.getContent()); + mMetaList.addChildTask(metaData); + mMetaHashMap.put(gid, metaData); + GTaskClient.getInstance().createTask(metaData); + } + } + } + + // 刷新本地同步ID的方法，重新获取最新的Google Task列表信息，然后更新本地记录的同步ID + private void refreshLocalSyncId() throws NetworkFailureException { + if (mCancelled) { + return; + } + + // 获取最新的Google Task列表相关数据，清除之前缓存 + mGTaskHashMap.clear(); + mGTaskListHashMap.clear(); + mMetaHashMap.clear(); + initGTaskList(); + + Cursor c = null; + try { + c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, + "(type<>? AND parent_id<>?)", new String[] { + String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER) + }, NoteColumns.TYPE + " DESC"); + if (c!= null) { + while (c.moveToNext()) { + String gid = c.getString(SqlNote.GTASK_ID_COLUMN); + Node node = mGTaskHashMap.get(gid); + if (node!= null) { + mGTaskHashMap.remove(gid); + ContentValues values = new ContentValues(); + values.put(NoteColumns.SYNC_ID, node.getLastModified()); + mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, + c.getLong(SqlNote.ID_COLUMN)), values, null, null); + } else { + Log.e(TAG, "something is missed"); + throw new ActionFailureException( + "some local items don't have gid after sync"); + } + } + } else { + Log.w(TAG, "failed to query local note to refresh sync id"); + } + } finally { + if (c!= null) { + c.close(); + c = null; + } + } + } + + // 获取同步账户名称的方法 + public String getSyncAccount() { + return GTaskClient.getInstance().getSyncAccount().name; + } + + // 取消同步的方法，设置同步已取消的标记 + public void cancelSync() { + mCancelled = true; + } +} \ No newline at end of file diff --git a/gtask/remote/GTaskSyncService.java b/gtask/remote/GTaskSyncService.java new file mode 100644 index 0000000..40d553b --- /dev/null +++ b/gtask/remote/GTaskSyncService.java @@ -0,0 +1,198 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.gtask.remote; + +import android.app.Activity; +import android.app.Service; +import android.content.Context; +import android.content.Intent; +import android.os.Bundle; +import android.os.IBinder; + +/** + * GTaskSyncService 是一个后台服务，用于管理Google任务（GTask）的同步操作。 + * 它提供启动和取消同步的方法，并在同步过程中广播进度更新。 + */ +public class GTaskSyncService extends Service { + + /** + * 表示同步动作类型的字符串常量名。 + */ + public final static String ACTION_STRING_NAME = "sync_action_type"; + + /** + * 同步开始的动作代码。 + */ + public final static int ACTION_START_SYNC = 0; + + /** + * 取消同步的动作代码。 + */ + public final static int ACTION_CANCEL_SYNC = 1; + + /** + * 无效或未定义的动作代码。 + */ + public final static int ACTION_INVALID = 2; + + /** + * 广播名称，用于发送同步状态和服务消息。 + */ + public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service"; + + /** + * 广播中表示是否正在进行同步的键名。 + */ + public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; + + /** + * 广播中表示同步进度信息的键名。 + */ + public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; + + /** + * 当前执行的同步任务实例。 + */ + private static GTaskASyncTask mSyncTask = null; + + /** + * 当前同步任务的进度信息。 + */ + private static String mSyncProgress = ""; + + /** + * 开始同步操作。如果当前没有正在运行的同步任务，则创建并启动一个新的同步任务。 + */ + private void startSync() { + if (mSyncTask == null) { + mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { + @Override + public void onComplete() { + mSyncTask = null; + sendBroadcast(""); + stopSelf(); + } + }); + sendBroadcast(""); + mSyncTask.execute(); + } + } + + /** + * 取消正在进行的同步操作。 + */ + private void cancelSync() { + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + /** + * 当服务被创建时调用。 + */ + @Override + public void onCreate() { + super.onCreate(); + mSyncTask = null; + } + + /** + * 当服务接收到启动命令时调用。 + */ + @Override + public int onStartCommand(Intent intent, int flags, int startId) { + Bundle bundle = intent.getExtras(); + if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) { + switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) { + case ACTION_START_SYNC: + startSync(); + break; + case ACTION_CANCEL_SYNC: + cancelSync(); + break; + default: + // 忽略未知动作 + break; + } + return START_STICKY; // 如果进程被杀死，尝试重启服务 + } + return super.onStartCommand(intent, flags, startId); + } + + /** + * 当系统内存不足时调用，尝试释放资源。 + */ + @Override + public void onLowMemory() { + super.onLowMemory(); + if (mSyncTask != null) { + mSyncTask.cancelSync(); + } + } + + /** + * 返回绑定到此服务的IBinder对象，本服务不支持绑定，所以返回null。 + */ + @Override + public IBinder onBind(Intent intent) { + return null; + } + + /** + * 发送广播以通知其他组件当前同步的状态和进度。 + */ + public void sendBroadcast(String msg) { + mSyncProgress = msg; + Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME); + intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null); + intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg); + sendBroadcast(intent); + } + + /** + * 静态方法，从Activity启动同步服务。 + */ + public static void startSync(Activity activity) { + GTaskManager.getInstance().setActivityContext(activity); + Intent intent = new Intent(activity, GTaskSyncService.class); + intent.putExtra(ACTION_STRING_NAME, ACTION_START_SYNC); + activity.startService(intent); + } + + /** + * 静态方法，通过上下文取消同步操作。 + */ + public static void cancelSync(Context context) { + Intent intent = new Intent(context, GTaskSyncService.class); + intent.putExtra(ACTION_STRING_NAME, ACTION_CANCEL_SYNC); + context.startService(intent); + } + + /** + * 检查是否有同步任务正在进行。 + */ + public static boolean isSyncing() { + return mSyncTask != null; + } + + /** + * 获取当前同步任务的进度信息。 + */ + public static String getProgressString() { + return mSyncProgress; + } +} \ No newline at end of file diff --git a/model/Note.java b/model/Note.java new file mode 100644 index 0000000..6f5e8ba --- /dev/null +++ b/model/Note.java @@ -0,0 +1,265 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.model; + +import android.content.ContentProviderOperation; +import android.content.ContentProviderResult; +import android.content.ContentUris; +import android.content.ContentValues; +import android.content.Context; +import android.content.OperationApplicationException; +import android.net.Uri; +import android.os.RemoteException; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.Notes.TextNote; + +import java.util.ArrayList; + + +public class Note { + private ContentValues mNoteDiffValues; // 用于存储笔记修改的数据 + private NoteData mNoteData; // 用于存储笔记的具体内容（如文本或通话数据） + private static final String TAG = "Note"; // 用于日志输出的标签 + + /** + * 创建一个新的笔记ID，用于在数据库中添加新的笔记 + */ + public static synchronized long getNewNoteId(Context context, long folderId) { + // 创建新的笔记记录 + ContentValues values = new ContentValues(); + long createdTime = System.currentTimeMillis(); + values.put(NoteColumns.CREATED_DATE, createdTime); // 设置创建时间 + values.put(NoteColumns.MODIFIED_DATE, createdTime); // 设置修改时间 + values.put(NoteColumns.TYPE, Notes.TYPE_NOTE); // 设置笔记类型 + values.put(NoteColumns.LOCAL_MODIFIED, 1); // 设置为本地已修改 + values.put(NoteColumns.PARENT_ID, folderId); // 设置笔记所在的文件夹ID + + // 插入新笔记到数据库，并获取URI + Uri uri = context.getContentResolver().insert(Notes.CONTENT_NOTE_URI, values); + + long noteId = 0; + try { + noteId = Long.valueOf(uri.getPathSegments().get(1)); // 获取新笔记的ID + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + noteId = 0; + } + + // 如果ID获取失败，抛出异常 + if (noteId == -1) { + throw new IllegalStateException("Wrong note id:" + noteId); + } + return noteId; // 返回新创建的笔记ID + } + + public Note() { + mNoteDiffValues = new ContentValues(); // 初始化笔记修改数据 + mNoteData = new NoteData(); // 初始化笔记具体内容 + } + + // 设置笔记的某个键值对 + public void setNoteValue(String key, String value) { + mNoteDiffValues.put(key, value); // 将键值对放入修改数据中 + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记本地已修改 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间 + } + + // 设置文本数据 + public void setTextData(String key, String value) { + mNoteData.setTextData(key, value); // 将文本数据传递给NoteData对象 + } + + // 设置文本数据ID + public void setTextDataId(long id) { + mNoteData.setTextDataId(id); // 设置文本数据的ID + } + + // 获取文本数据ID + public long getTextDataId() { + return mNoteData.mTextDataId; // 返回文本数据的ID + } + + // 设置通话数据ID + public void setCallDataId(long id) { + mNoteData.setCallDataId(id); // 设置通话数据的ID + } + + // 设置通话数据 + public void setCallData(String key, String value) { + mNoteData.setCallData(key, value); // 将通话数据传递给NoteData对象 + } + + // 判断笔记是否本地已修改 + public boolean isLocalModified() { + return mNoteDiffValues.size() > 0 || mNoteData.isLocalModified(); // 如果修改数据不为空或者NoteData已修改，则返回true + } + + // 同步笔记数据到ContentProvider + public boolean syncNote(Context context, long noteId) { + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); // 检查笔记ID是否合法 + } + + if (!isLocalModified()) { + return true; // 如果没有修改，直接返回 + } + + // 更新笔记的修改数据 + if (context.getContentResolver().update( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId), mNoteDiffValues, null, + null) == 0) { + Log.e(TAG, "Update note error, should not happen"); + } + mNoteDiffValues.clear(); // 清空修改数据 + + // 如果有本地修改的内容，推送到ContentResolver + if (mNoteData.isLocalModified() + && (mNoteData.pushIntoContentResolver(context, noteId) == null)) { + return false; // 如果推送失败，返回false + } + + return true; // 同步成功，返回true + } + + // 内部类：表示笔记的具体内容（文本数据、通话数据） + private class NoteData { + private long mTextDataId; // 文本数据的ID + private ContentValues mTextDataValues; // 文本数据的内容 + private long mCallDataId; // 通话数据的ID + private ContentValues mCallDataValues; // 通话数据的内容 + + private static final String TAG = "NoteData"; // 用于日志输出的标签 + + public NoteData() { + mTextDataValues = new ContentValues(); // 初始化文本数据 + mCallDataValues = new ContentValues(); // 初始化通话数据 + mTextDataId = 0; + mCallDataId = 0; + } + + // 判断笔记内容是否本地已修改 + boolean isLocalModified() { + return mTextDataValues.size() > 0 || mCallDataValues.size() > 0; // 如果文本或通话数据有修改，返回true + } + + // 设置文本数据的ID + void setTextDataId(long id) { + if(id <= 0) { + throw new IllegalArgumentException("Text data id should larger than 0"); // 检查ID是否合法 + } + mTextDataId = id; // 设置文本数据ID + } + + // 设置通话数据的ID + void setCallDataId(long id) { + if (id <= 0) { + throw new IllegalArgumentException("Call data id should larger than 0"); // 检查ID是否合法 + } + mCallDataId = id; // 设置通话数据ID + } + + // 设置通话数据 + void setCallData(String key, String value) { + mCallDataValues.put(key, value); // 将通话数据放入ContentValues + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记本地已修改 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间 + } + + // 设置文本数据 + void setTextData(String key, String value) { + mTextDataValues.put(key, value); // 将文本数据放入ContentValues + mNoteDiffValues.put(NoteColumns.LOCAL_MODIFIED, 1); // 标记本地已修改 + mNoteDiffValues.put(NoteColumns.MODIFIED_DATE, System.currentTimeMillis()); // 更新修改时间 + } + + // 推送内容到ContentResolver + Uri pushIntoContentResolver(Context context, long noteId) { + if (noteId <= 0) { + throw new IllegalArgumentException("Wrong note id:" + noteId); // 检查笔记ID是否合法 + } + + ArrayList operationList = new ArrayList(); // 存储所有操作 + ContentProviderOperation.Builder builder = null; + + // 插入或更新文本数据 + if(mTextDataValues.size() > 0) { + mTextDataValues.put(DataColumns.NOTE_ID, noteId); // 设置笔记ID + if (mTextDataId == 0) { + mTextDataValues.put(DataColumns.MIME_TYPE, TextNote.CONTENT_ITEM_TYPE); // 设置MIME类型 + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, mTextDataValues); // 插入数据 + try { + setTextDataId(Long.valueOf(uri.getPathSegments().get(1))); // 获取文本数据ID + } catch (NumberFormatException e) { + Log.e(TAG, "Insert new text data fail with noteId" + noteId); + mTextDataValues.clear(); // 清空数据 + return null; + } + } else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mTextDataId)); // 更新已有的文本数据 + builder.withValues(mTextDataValues); + operationList.add(builder.build()); + } + mTextDataValues.clear(); // 清空文本数据 + } + + // 插入或更新通话数据 + if(mCallDataValues.size() > 0) { + mCallDataValues.put(DataColumns.NOTE_ID, noteId); // 设置笔记ID + if (mCallDataId == 0) { + mCallDataValues.put(DataColumns.MIME_TYPE, CallNote.CONTENT_ITEM_TYPE); // 设置MIME类型 + Uri uri = context.getContentResolver().insert(Notes.CONTENT_DATA_URI, mCallDataValues); // 插入数据 + try { + setCallDataId(Long.valueOf(uri.getPathSegments().get(1))); // 获取通话数据ID + } catch (NumberFormatException e) { + Log.e(TAG, "Insert new call data fail with noteId" + noteId); + mCallDataValues.clear(); // 清空数据 + return null; + } + } else { + builder = ContentProviderOperation.newUpdate(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mCallDataId)); // 更新已有的通话数据 + builder.withValues(mCallDataValues); + operationList.add(builder.build()); + } + mCallDataValues.clear(); // 清空通话数据 + } + + // 执行所有操作 + if (operationList.size() > 0) { + try { + ContentProviderResult[] results = context.getContentResolver().applyBatch( + Notes.AUTHORITY, operationList); // 批量执行操作 + return (results == null || results.length == 0 || results[0] == null) ? null + : ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, noteId); // 返回URI + } catch (RemoteException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } catch (OperationApplicationException e) { + Log.e(TAG, String.format("%s: %s", e.toString(), e.getMessage())); + return null; + } + } + return null; + } + } +} diff --git a/model/WorkingNote.java b/model/WorkingNote.java new file mode 100644 index 0000000..e62151e --- /dev/null +++ b/model/WorkingNote.java @@ -0,0 +1,254 @@ +/* + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package net.micode.notes.model; + +import android.appwidget.AppWidgetManager; +import android.content.ContentUris; +import android.content.Context; +import android.database.Cursor; +import android.text.TextUtils; +import android.util.Log; + +import net.micode.notes.data.Notes; +import net.micode.notes.data.Notes.CallNote; +import net.micode.notes.data.Notes.DataColumns; +import net.micode.notes.data.Notes.DataConstants; +import net.micode.notes.data.Notes.NoteColumns; +import net.micode.notes.data.Notes.TextNote; +import net.micode.notes.tool.ResourceParser.NoteBgResources; + +/** + * WorkingNote 类处理与笔记相关的工作逻辑。它支持创建新笔记、加载现有笔记、设置笔记内容、 + * 管理笔记的背景色、提醒时间等，同时支持与小部件的交互。 + */ +public class WorkingNote { + private Note mNote; // 代表笔记的 Note 对象 + private long mNoteId; // 笔记的 ID + private String mContent; // 笔记的内容（文本） + private int mMode; // 笔记的模式（例如：清单模式） + private long mAlertDate; // 提醒时间 + private long mModifiedDate; // 最后修改时间 + private int mBgColorId; // 背景色 ID + private int mWidgetId; // 小部件 ID + private int mWidgetType; // 小部件类型 + private long mFolderId; // 文件夹 ID + private Context mContext; // 上下文 + private boolean mIsDeleted; // 是否被标记为已删除 + private NoteSettingChangedListener mNoteSettingStatusListener; // 设置变更监听器 + + private static final String TAG = "WorkingNote"; // 日志标签 + + // 数据查询的列名数组 + public static final String[] DATA_PROJECTION = new String[] { + DataColumns.ID, DataColumns.CONTENT, DataColumns.MIME_TYPE, DataColumns.DATA1, + DataColumns.DATA2, DataColumns.DATA3, DataColumns.DATA4 + }; + + // 笔记数据的查询列名 + public static final String[] NOTE_PROJECTION = new String[] { + NoteColumns.PARENT_ID, NoteColumns.ALERTED_DATE, NoteColumns.BG_COLOR_ID, + NoteColumns.WIDGET_ID, NoteColumns.WIDGET_TYPE, NoteColumns.MODIFIED_DATE + }; + + // 各列的索引常量 + private static final int DATA_ID_COLUMN = 0; + private static final int DATA_CONTENT_COLUMN = 1; + private static final int DATA_MIME_TYPE_COLUMN = 2; + private static final int DATA_MODE_COLUMN = 3; + + private static final int NOTE_PARENT_ID_COLUMN = 0; + private static final int NOTE_ALERTED_DATE_COLUMN = 1; + private static final int NOTE_BG_COLOR_ID_COLUMN = 2; + private static final int NOTE_WIDGET_ID_COLUMN = 3; + private static final int NOTE_WIDGET_TYPE_COLUMN = 4; + private static final int NOTE_MODIFIED_DATE_COLUMN = 5; + + /** + * 构造一个新的工作笔记 + */ + private WorkingNote(Context context, long folderId) { + mContext = context; + mAlertDate = 0; + mModifiedDate = System.currentTimeMillis(); + mFolderId = folderId; + mNote = new Note(); // 创建一个新的 Note 对象 + mNoteId = 0; + mIsDeleted = false; + mMode = 0; + mWidgetType = Notes.TYPE_WIDGET_INVALIDE; // 默认无效的小部件类型 + } + + /** + * 构造一个现有的工作笔记 + */ + private WorkingNote(Context context, long noteId, long folderId) { + mContext = context; + mNoteId = noteId; + mFolderId = folderId; + mIsDeleted = false; + mNote = new Note(); + loadNote(); // 加载笔记数据 + } + + /** + * 从数据库加载笔记的信息 + */ + private void loadNote() { + // 从笔记内容 URI 中查询笔记的基本信息 + Cursor cursor = mContext.getContentResolver().query( + ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, mNoteId), NOTE_PROJECTION, null, + null, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + // 获取笔记的基本信息 + mFolderId = cursor.getLong(NOTE_PARENT_ID_COLUMN); + mBgColorId = cursor.getInt(NOTE_BG_COLOR_ID_COLUMN); + mWidgetId = cursor.getInt(NOTE_WIDGET_ID_COLUMN); + mWidgetType = cursor.getInt(NOTE_WIDGET_TYPE_COLUMN); + mAlertDate = cursor.getLong(NOTE_ALERTED_DATE_COLUMN); + mModifiedDate = cursor.getLong(NOTE_MODIFIED_DATE_COLUMN); + } + cursor.close(); + } else { + Log.e(TAG, "No note with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note with id " + mNoteId); + } + loadNoteData(); // 加载笔记的内容数据 + } + + /** + * 加载笔记的具体内容（如文本内容或通话记录等） + */ + private void loadNoteData() { + // 查询笔记的数据内容 + Cursor cursor = mContext.getContentResolver().query(Notes.CONTENT_DATA_URI, DATA_PROJECTION, + DataColumns.NOTE_ID + "=?", new String[] { + String.valueOf(mNoteId) + }, null); + + if (cursor != null) { + if (cursor.moveToFirst()) { + do { + String type = cursor.getString(DATA_MIME_TYPE_COLUMN); + if (DataConstants.NOTE.equals(type)) { + mContent = cursor.getString(DATA_CONTENT_COLUMN); + mMode = cursor.getInt(DATA_MODE_COLUMN); + mNote.setTextDataId(cursor.getLong(DATA_ID_COLUMN)); // 设置文本数据ID + } else if (DataConstants.CALL_NOTE.equals(type)) { + mNote.setCallDataId(cursor.getLong(DATA_ID_COLUMN)); // 设置通话数据ID + } else { + Log.d(TAG, "Wrong note type with type:" + type); + } + } while (cursor.moveToNext()); + } + cursor.close(); + } else { + Log.e(TAG, "No data with id:" + mNoteId); + throw new IllegalArgumentException("Unable to find note's data with id " + mNoteId); + } + } + + /** + * 创建一个空的工作笔记 + */ + public static WorkingNote createEmptyNote(Context context, long folderId, int widgetId, + int widgetType, int defaultBgColorId) { + WorkingNote note = new WorkingNote(context, folderId); + note.setBgColorId(defaultBgColorId); // 设置背景色 + note.setWidgetId(widgetId); // 设置小部件ID + note.setWidgetType(widgetType); // 设置小部件类型 + return note; + } + + /** + * 加载指定ID的工作笔记 + */ + public static WorkingNote load(Context context, long id) { + return new WorkingNote(context, id, 0); + } + + /** + * 保存笔记 + */ + public synchronized boolean saveNote() { + if (isWorthSaving()) { // 如果笔记值得保存 + if (!existInDatabase()) { // 如果笔记不存在数据库 + if ((mNoteId = Note.getNewNoteId(mContext, mFolderId)) == 0) { + Log.e(TAG, "Create new note fail with id:" + mNoteId); + return false; + } + } + + mNote.syncNote(mContext, mNoteId); // 同步笔记内容到数据库 + + // 如果笔记关联了小部件，更新小部件内容 + if (mWidgetId != AppWidgetManager.INVALID_APPWIDGET_ID + && mWidgetType != Notes.TYPE_WIDGET_INVALIDE + && mNoteSettingStatusListener != null) { + mNoteSettingStatusListener.onWidgetChanged(); + } + return true; + } else { + return false; + } + } + + /** + * 判断笔记是否已经存在于数据库 + */ + public boolean existInDatabase() { + return mNoteId > 0; + } + + /** + * 判断笔记是否值得保存 + */ + private boolean isWorthSaving() { + return !(mIsDeleted || (TextUtils.isEmpty(mContent) && !existInDatabase()) + || (existInDatabase() && !mNote.isLocalModified())); // 判断笔记是否被删除或没有修改 + } + + // 其他设置方法（设置提醒时间、背景色、小部件等） + public void setAlertDate(long date, boolean set) { ... } + public void markDeleted(boolean mark) { ... } + public void setBgColorId(int id) { ... } + public void setCheckListMode(int mode) { ... } + public void setWidgetType(int type) { ... } + public void setWidgetId(int id) { ... } + public void setWorkingText(String text) { ... } + + // 获取笔记内容、提醒时间、修改时间等信息 + public String getContent() { return mContent; } + public long getAlertDate() { return mAlertDate; } + public long getModifiedDate() { return mModifiedDate; } + public int getBgColorResId() { return NoteBgResources.getNoteBgResource(mBgColorId); } + public int getBgColorId() { return mBgColorId; } + public int getCheckListMode() { return mMode; } + public long getNoteId() { return mNoteId; } + public long getFolderId() { return mFolderId; } + public int getWidgetId() { return mWidgetId; } + public int getWidgetType() { return mWidgetType; } + + // 设置变更监听接口 + public interface NoteSettingChangedListener { + void onBackgroundColorChanged(); // 背景色变更时调用 + void onClockAlertChanged(long date, boolean set); // 提醒时间变更时调用 + void onWidgetChanged(); // 小部件变更时调用 + void onCheckListModeChanged(int oldMode, int newMode); // 清单模式切换时调用 + } +}