From 94407f0156c5249fb5098d1f1015209cdb32c94e Mon Sep 17 00:00:00 2001 From: 2201_75665698 <2201_75665698@noreply.gitcode.com> Date: Sun, 29 Dec 2024 19:57:22 +0800 Subject: [PATCH] gtask --- src/gtask/data/MetaData.java | 136 +++ src/gtask/data/Node.java | 104 ++ src/gtask/data/SqlData.java | 175 ++++ src/gtask/data/SqlNote.java | 526 ++++++++++ src/gtask/data/Task.java | 385 ++++++++ src/gtask/data/TaskList.java | 381 ++++++++ .../exception/ActionFailureException.java | 54 ++ .../exception/NetworkFailureException.java | 56 ++ src/gtask/remote/GTaskASyncTask.java | 116 +++ src/gtask/remote/GTaskClient.java | 753 ++++++++++++++ src/gtask/remote/GTaskManager.java | 918 ++++++++++++++++++ src/gtask/remote/GTaskSyncService.java | 155 +++ 12 files changed, 3759 insertions(+) create mode 100644 src/gtask/data/MetaData.java create mode 100644 src/gtask/data/Node.java create mode 100644 src/gtask/data/SqlData.java create mode 100644 src/gtask/data/SqlNote.java create mode 100644 src/gtask/data/Task.java create mode 100644 src/gtask/data/TaskList.java create mode 100644 src/gtask/exception/ActionFailureException.java create mode 100644 src/gtask/exception/NetworkFailureException.java create mode 100644 src/gtask/remote/GTaskASyncTask.java create mode 100644 src/gtask/remote/GTaskClient.java create mode 100644 src/gtask/remote/GTaskManager.java create mode 100644 src/gtask/remote/GTaskSyncService.java diff --git a/src/gtask/data/MetaData.java b/src/gtask/data/MetaData.java new file mode 100644 index 0000000..3e591de --- /dev/null +++ b/src/gtask/data/MetaData.java @@ -0,0 +1,136 @@ +/* + * 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，表示一个任务的元数据。 + * 它包含了与任务相关的附加信息，如任务的 GID 等元数据。 + */ +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; // 用于存储与该任务关联的 GID（Google Task ID） + + /** + * 设置 Meta 数据，包含任务的 GID 和其他元数据。 + * + * @param gid 任务的 GID + * @param metaInfo 任务的元数据，以 JSON 对象的形式传递 + */ + public void setMeta(String gid, JSONObject metaInfo) { + try { + // 将 GID 添加到 metaInfo 中 + metaInfo.put(GTaskStringUtils.META_HEAD_GTASK_ID, gid); + } catch (JSONException e) { + // 如果发生异常，记录错误日志 + Log.e(TAG, "failed to put related gid"); + } + // 设置当前任务的备注信息为 metaInfo 的字符串表示 + setNotes(metaInfo.toString()); + // 设置任务名称为默认的 Meta 任务名称 + setName(GTaskStringUtils.META_NOTE_NAME); + } + + /** + * 获取当前任务所关联的 GID。 + * + * @return 返回与任务关联的 GID + */ + public String getRelatedGid() { + return mRelatedGid; + } + + /** + * 判断当前任务是否值得保存。 + * 只有当备注信息（notes）不为 null 时，任务才值得保存。 + * + * @return 如果备注信息不为空，则返回 true，否则返回 false + */ + @Override + public boolean isWorthSaving() { + return getNotes() != null; + } + + /** + * 通过远程 JSON 数据设置任务内容。 + * 如果备注（notes）不为空，它将尝试从中提取与任务关联的 GID。 + * + * @param js 传入的远程 JSON 数据 + */ + @Override + public void setContentByRemoteJSON(JSONObject js) { + // 调用父类的相应方法，设置基本的任务内容 + super.setContentByRemoteJSON(js); + + // 如果备注不为空，尝试解析其中的 GID 信息 + if (getNotes() != null) { + try { + // 将备注内容转换为 JSON 对象 + JSONObject metaInfo = new JSONObject(getNotes().trim()); + // 从 metaInfo 中获取 GID 并存储 + mRelatedGid = metaInfo.getString(GTaskStringUtils.META_HEAD_GTASK_ID); + } catch (JSONException e) { + // 如果解析失败，记录警告日志，并将 GID 设置为 null + Log.w(TAG, "failed to get related gid"); + mRelatedGid = null; + } + } + } + + /** + * 本方法不应被调用。该方法会抛出 IllegalAccessError。 + * + * @param js 传入的本地 JSON 数据 + * @throws IllegalAccessError 如果调用此方法，将抛出异常 + */ + @Override + public void setContentByLocalJSON(JSONObject js) { + throw new IllegalAccessError("MetaData:setContentByLocalJSON should not be called"); + } + + /** + * 本方法不应被调用。该方法会抛出 IllegalAccessError。 + * + * @return 返回值永远不会被调用 + * @throws IllegalAccessError 如果调用此方法，将抛出异常 + */ + @Override + public JSONObject getLocalJSONFromContent() { + throw new IllegalAccessError("MetaData:getLocalJSONFromContent should not be called"); + } + + /** + * 本方法不应被调用。该方法会抛出 IllegalAccessError。 + * + * @param c 数据库游标 + * @return 返回值永远不会被调用 + * @throws IllegalAccessError 如果调用此方法，将抛出异常 + */ + @Override + public int getSyncAction(Cursor c) { + throw new IllegalAccessError("MetaData:getSyncAction should not be called"); + } + +} diff --git a/src/gtask/data/Node.java b/src/gtask/data/Node.java new file mode 100644 index 0000000..8091e0e --- /dev/null +++ b/src/gtask/data/Node.java @@ -0,0 +1,104 @@ +// 该类是一个抽象类，作为节点的基类，可能用于同步操作相关的数据管理 +public abstract class Node { + // 定义同步操作的各种状态码 + public static final int SYNC_ACTION_NONE = 0; + public static final int SYNC_ACTION_ADD_REMOTE = 1; + public static final int SYNC_ACTION_ADD_LOCAL = 2; + public static final int SYNC_ACTION_DEL_REMOTE = 3; + public static final int SYNC_ACTION_DEL_LOCAL = 4; + public static final int SYNC_ACTION_UPDATE_REMOTE = 5; + public static final int SYNC_ACTION_UPDATE_LOCAL = 6; + public static final int SYNC_ACTION_UPDATE_CONFLICT = 7; + public static final int SYNC_ACTION_ERROR = 8; + + + // 节点的全局唯一标识符 + private String mGid; + // 节点的名称 + private String mName; + // 最后修改时间 + private long mLastModified; + // 节点是否已删除的标记 + private boolean mDeleted; + + + // 构造函数，初始化成员变量 + public Node() { + mGid = null; + mName = ""; + mLastModified = 0; + mDeleted = false; + } + + + // 获取创建操作的 JSON 对象，具体实现由子类完成 + public abstract JSONObject getCreateAction(int actionId); + + + // 获取更新操作的 JSON 对象，具体实现由子类完成 + public abstract JSONObject getUpdateAction(int actionId); + + + // 根据远程的 JSON 对象设置节点的内容，具体实现由子类完成 + public abstract void setContentByRemoteJSON(JSONObject js); + + + // 根据本地的 JSON 对象设置节点的内容，具体实现由子类完成 + public abstract void setContentByLocalJSON(JSONObject js); + + + // 从节点的内容获取本地的 JSON 对象，具体实现由子类完成 + public abstract JSONObject getLocalJSONFromContent(); + + + // 获取同步操作的状态，具体实现由子类完成 + public abstract int getSyncAction(Cursor c); + + + // 设置节点的全局唯一标识符 + public void setGid(String gid) { + this.mGid = gid; + } + + + // 设置节点的名称 + public void setName(String name) { + this.mName = name; + } + + + // 设置节点的最后修改时间 + public void setLastModified(long lastModified) { + this.mLastModified = lastModified; + } + + + // 设置节点是否已删除 + public void setDeleted(boolean deleted) { + this.mDeleted = deleted; + } + + + // 获取节点的全局唯一标识符 + public String getGid() { + return this.mGid; + } + + + // 获取节点的名称 + public String getName() { + return this.mName; + } + + + // 获取节点的最后修改时间 + public long getLastModified() { + return this.mLastModified; + } + + + // 获取节点是否已删除的信息 + public boolean getDeleted() { + return this.mDeleted; + } +} \ No newline at end of file diff --git a/src/gtask/data/SqlData.java b/src/gtask/data/SqlData.java new file mode 100644 index 0000000..ced3425 --- /dev/null +++ b/src/gtask/data/SqlData.java @@ -0,0 +1,175 @@ +// 该类用于处理与 SQL 数据相关的操作，可能是在笔记应用中对数据的管理和同步操作 +public class SqlData { + // 日志标签，使用类的简单名称 + private static final String TAG = SqlData.class.getSimpleName(); + // 表示无效的 ID + private static final int INVALID_ID = -99999; + // 数据查询的投影，指定了需要查询的数据列 + public static final String[] PROJECTION_DATA = new String[] { + DataColumns.ID, DataColumns.MIME_TYPE, DataColumns.CONTENT, DataColumns.DATA1, + DataColumns.DATA3 + }; + // 投影中数据 ID 列的索引 + public static final int DATA_ID_COLUMN = 0; + // 投影中数据 MIME 类型列的索引 + public static final int DATA_MIME_TYPE_COLUMN = 1; + // 投影中数据内容列的索引 + public static final int DATA_CONTENT_COLUMN = 2; + // 投影中数据 DATA1 列的索引 + public static final int DATA_CONTENT_DATA_1_COLUMN = 3; + // 投影中数据 DATA3 列的索引 + public static final int DATA_CONTENT_DATA_3_COLUMN = 4; + // 用于解析和操作数据的内容解析器 + private ContentResolver mContentResolver; + // 标记是否为创建操作 + private boolean mIsCreate; + // 数据的 ID + private long mDataId; + // 数据的 MIME 类型 + private String mDataMimeType; + // 数据的内容 + private String mDataContent; + // 数据的 DATA1 内容 + private long mDataContentData1; + // 数据的 DATA3 内容 + private String mDataContentData3; + // 存储不同的数据值，可能用于更新操作 + private ContentValues mDiffDataValues; + + + // 构造函数，用于创建新的数据对象，初始化成员变量 + public SqlData(Context context) { + mContentResolver = context.getContentResolver(); + mIsCreate = true; + mDataId = INVALID_ID; + mDataMimeType = DataConstants.NOTE; + mDataContent = ""; + mDataContentData1 = 0; + mDataContentData3 = ""; + mDiffDataValues = new ContentValues(); + } + + + // 构造函数，根据 Cursor 初始化数据对象，用于从数据库中加载数据 + public SqlData(Context context, Cursor c) { + mContentResolver = context.getContentResolver(); + mIsCreate = false; + loadFromCursor(c); + mDiffDataValues = new ContentValues(); + } + + + // 从 Cursor 中加载数据 + private void loadFromCursor(Cursor c) { + mDataId = c.getLong(DATA_ID_COLUMN); + mDataMimeType = c.getString(DATA_MIME_TYPE_COLUMN); + mDataContent = c.getString(DATA_CONTENT_COLUMN); + mDataContentData1 = c.getLong(DATA_CONTENT_DATA_1_COLUMN); + mDataContentData3 = c.getString(DATA_CONTENT_DATA_3_COLUMN); + } + + + // 根据 JSON 对象设置数据内容 + public void setContent(JSONObject js) throws JSONException { + long dataId = js.has(DataColumns.ID)? js.getLong(DataColumns.ID) : INVALID_ID; + if (mIsCreate || mDataId!= dataId) { + mDiffDataValues.put(DataColumns.ID, dataId); + } + mDataId = dataId; + + + String dataMimeType = js.has(DataColumns.MIME_TYPE)? js.getString(DataColumns.MIME_TYPE) + : DataConstants.NOTE; + if (mIsCreate ||!mDataMimeType.equals(dataMimeType)) { + mDiffDataValues.put(DataColumns.MIME_TYPE, dataMimeType); + } + mDataMimeType = dataMimeType; + + + String dataContent = js.has(DataColumns.CONTENT)? js.getString(DataColumns.CONTENT) : ""; + if (mIsCreate ||!mDataContent.equals(dataContent)) { + mDiffDataValues.put(DataColumns.CONTENT, dataContent); + } + mDataContent = dataContent; + + + long dataContentData1 = js.has(DataColumns.DATA1)? js.getLong(DataColumns.DATA1) : 0; + if (mIsCreate || mDataContentData1!= dataContentData1) { + mDiffDataValues.put(DataColumns.DATA1, dataContentData1); + } + mDataContentData3 = dataContentData1; + + + String dataContentData3 = js.has(DataColumns.DATA3)? js.getString(DataColumns.DATA3) : ""; + if (mIsCreate ||!mDataContentData3.equals(dataContentData3)) { + mDiffDataValues.put(DataColumns.DATA3, dataContentData3); + } + mDataContentData3 = dataContentData3; + } + + + // 获取数据的 JSON 表示 + public JSONObject getContent() throws JSONException { + if (mIsCreate) { + Log.e(TAG, "it seems that we haven't created this in database yet"); + return null; + } + JSONObject js = new JSONObject(); + js.put(DataColumns.ID, mDataId); + js.put(DataColumns.MIME_TYPE, mDataMimeType); + js.put(DataColumns.CONTENT, mDataContent); + js.put(DataColumns.DATA1, mDataContentData1); + js.put(DataColumns.DATA3, mDataContentData3); + return js; + } + + + // 提交数据更改，根据情况进行插入或更新操作 + public void commit(long noteId, boolean validateVersion, long version) { + + + if (mIsCreate) { + if (mDataId == INVALID_ID && mDiffDataValues.containsKey(DataColumns.ID)) { + mDiffDataValues.remove(DataColumns.ID); + } + + + mDiffDataValues.put(DataColumns.NOTE_ID, noteId); + Uri uri = mContentResolver.insert(Notes.CONTENT_DATA_URI, mDiffDataValues); + try { + mDataId = Long.valueOf(uri.getPathSegments().get(1)); + } catch (NumberFormatException e) { + Log.e(TAG, "Get note id error :" + e.toString()); + throw new ActionFailureException("create note failed"); + } + } else { + if (mDiffDataValues.size() > 0) { + int result = 0; + if (!validateVersion) { + result = mContentResolver.update(ContentUris.withAppendedId( + Notes.CONTENT_DATA_URI, mDataId), mDiffDataValues, null, null); + } else { + 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"); + } + } + } + + + mDiffDataValues.clear(); + mIsCreate = false; + } + + + // 获取数据的 ID + public long getId() { + return mDataId; + } +} \ No newline at end of file diff --git a/src/gtask/data/SqlNote.java b/src/gtask/data/SqlNote.java new file mode 100644 index 0000000..8245728 --- /dev/null +++ b/src/gtask/data/SqlNote.java @@ -0,0 +1,526 @@ +// 该类用于管理 SQL 笔记的数据操作，可能是在笔记应用中对笔记信息的管理和同步操作 +public class SqlNote { + // 日志标签，使用类的简单名称 + private static final String TAG = SqlNote.class.getSimpleName(); + // 表示无效的 ID + private static final int INVALID_ID = -99999; + // 笔记查询的投影，指定了需要查询的笔记列 + 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 + }; + // 投影中笔记 ID 列的索引 + public static final int ID_COLUMN = 0; + // 投影中提醒日期列的索引 + public static final int ALERTED_DATE_COLUMN = 1; + // 投影中背景颜色 ID 列的索引 + public static final int BG_COLOR_ID_COLUMN = 2; + // 投影中创建日期列的索引 + public static final int CREATED_DATE_COLUMN = 3; + // 投影中有附件标记列的索引 + public static final int HAS_ATTACHMENT_COLUMN = 4; + // 投影中修改日期列的索引 + public static final int MODIFIED_DATE_COLUMN = 5; + // 投影中笔记计数列的索引 + public static final int NOTES_COUNT_COLUMN = 6; + // 投影中父 ID 列的索引 + public static final int PARENT_ID_COLUMN = 7; + // 投影中摘要列的索引 + public static final int SNIPPET_COLUMN = 8; + // 投影中类型列的索引 + public static final int TYPE_COLUMN = 9; + // 投影中窗口小部件 ID 列的索引 + public static final int WIDGET_ID_COLUMN = 10; + // 投影中窗口小部件类型列的索引 + public static final int WIDGET_TYPE_COLUMN = 11; + // 投影中同步 ID 列的索引 + public static final int SYNC_ID_COLUMN = 12; + // 投影中本地修改标记列的索引 + public static final int LOCAL_MODIFIED_COLUMN = 13; + // 投影中原父 ID 列的索引 + public static final int ORIGIN_PARENT_ID_COLUMN = 14; + // 投影中 GTASK ID 列的索引 + public static final int GTASK_ID_COLUMN = 15; + // 投影中版本列的索引 + public static final int VERSION_COLUMN = 16; + + + // 上下文对象，用于获取系统服务等 + private Context mContext; + // 内容解析器，用于操作内容提供者的数据 + private ContentResolver mContentResolver; + // 标记是否为创建操作 + private boolean mIsCreate; + // 笔记的 ID + private long mId; + // 笔记的提醒日期 + private long mAlertDate; + // 笔记的背景颜色 ID + private int mBgColorId; + // 笔记的创建日期 + private long mCreatedDate; + // 笔记是否有附件的标记 + private int mHasAttachment; + // 笔记的修改日期 + private long mModifiedDate; + // 笔记的父 ID + private long mParentId; + // 笔记的摘要 + private String mSnippet; + // 笔记的类型 + private int mType; + // 笔记关联的窗口小部件 ID + private int mWidgetId; + // 笔记关联的窗口小部件类型 + private int mWidgetType; + // 笔记的原父 ID + private long mOriginParent; + // 笔记的版本 + private long mVersion; + // 存储不同的笔记数据值，可能用于更新操作 + private ContentValues mDiffNoteValues; + // 存储 SqlData 列表，可能用于存储笔记的数据内容 + private ArrayList mDataList; + + + // 构造函数，用于创建新的笔记对象，初始化成员变量 + 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(); + } + + + // 构造函数，根据 Cursor 初始化笔记对象，用于从数据库中加载笔记信息 + 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(); + } + + + // 构造函数，根据笔记 ID 初始化笔记对象，从数据库中加载笔记信息 + 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(); + } + + + // 从指定的笔记 ID 加载笔记信息 + 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(); + } + } + + + // 从 Cursor 中加载笔记信息 + 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); + } + + + // 加载笔记的数据内容 + 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(); + } + } + + + // 根据 JSON 对象设置笔记内容 + 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) { + // 对于文件夹，仅更新摘要和类型 + 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; + } + + + // 获取笔记的 JSON 表示 + 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; + } + + + // 设置笔记的父 ID + public void setParentId(long id) { + mParentId = id; + mDiffNoteValues.put(NoteColumns.PARENT_ID, id); + } + + + // 设置笔记的 GTASK ID + public void setGtaskId(String gid) { + mDiffNoteValues.put(NoteColumns.GTASK_ID, gid); + } + + + // 设置笔记的同步 ID + public void setSyncId(long syncId) { + mDiffNoteValues.put(NoteColumns.SYNC_ID, syncId); + } + + + // 重置本地修改标记 + public void resetLocalModified() { + mDiffNoteValues.put(NoteColumns.LOCAL_MODIFIED, 0); + } + + + // 获取笔记的 ID + public long getId() { + return mId; + } + + + // 获取笔记的父 ID + public long getParentId() { + return mParentId; + } + + + // 获取笔记的摘要 + public String getSnippet() { + return mSnippet; + } + + + // 判断是否为笔记类型 + public boolean isNoteType() { + return mType == Notes.TYPE_NOTE; + } + + + // 提交笔记的更改，根据是否为创建操作进行插入或更新操作 + 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); + } + } + } + + + // 刷新本地信息 + loadFromCursor(mId); + if (mType == Notes.TYPE_NOTE) + loadDataContent(); + + + mDiffNoteValues.clear(); + mIsCreate = false; + } +} \ No newline at end of file diff --git a/src/gtask/data/Task.java b/src/gtask/data/Task.java new file mode 100644 index 0000000..5a7eb3a --- /dev/null +++ b/src/gtask/data/Task.java @@ -0,0 +1,385 @@ +// 该类 Task 继承自 Node 类，是一个表示任务的类，可能用于任务管理和同步操作 +public class Task extends Node { + // 日志标签，使用类的简单名称 + private static final String TAG = Task.class.getSimpleName(); + // 标记任务是否完成 + private boolean mCompleted; + // 任务的笔记信息 + private String mNotes; + // 任务的元信息，存储为 JSONObject + private JSONObject mMetaInfo; + // 任务的前一个兄弟任务 + private Task mPriorSibling; + // 任务所属的任务列表 + private TaskList mParent; + + + // 构造函数，初始化任务的属性 + public Task() { + super(); + mCompleted = false; + mNotes = null; + mPriorSibling = null; + mParent = null; + mMetaInfo = null; + } + + + // 获取创建操作的 JSON 对象 + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + + // index + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mParent.getChildTaskIndex(this)); + + + // entity_delta + 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); + + + // parent_id + js.put(GTaskStringUtils.GTASK_JSON_PARENT_ID, mParent.getGid()); + + + // dest_parent_type + js.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT_TYPE, + GTaskStringUtils.GTASK_JSON_TYPE_GROUP); + + + // list_id + js.put(GTaskStringUtils.GTASK_JSON_LIST_ID, mParent.getGid()); + + + // prior_sibling_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("fail to generate task-create jsonobject"); + } + + + return js; + } + + + // 获取更新操作的 JSON 对象 + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + + // id + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + + // entity_delta + 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("fail to generate task-update jsonobject"); + } + + + return js; + } + + + // 根据远程的 JSON 对象设置任务的内容 + public void setContentByRemoteJSON(JSONObject js) { + if (js!= null) { + try { + // id + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + + + // last_modified + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + + + // name + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + + + // notes + if (js.has(GTaskStringUtils.GTASK_JSON_NOTES)) { + setNotes(js.getString(GTaskStringUtils.GTASK_JSON_NOTES)); + } + + + // deleted + if (js.has(GTaskStringUtils.GTASK_JSON_DELETED)) { + setDeleted(js.getBoolean(GTaskStringUtils.GTASK_JSON_DELETED)); + } + + + // completed + 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("fail to get task content from jsonobject"); + } + } + } + + + // 根据本地的 JSON 对象设置任务的内容 + public void setContentByLocalJSON(JSONObject js) { + if (js == null ||!js.has(GTaskStringUtils.META_HEAD_NOTE) + ||!js.has(GTaskStringUtils.META_HEAD_DATA)) { + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); + } + + + 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, "invalid type"); + 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(); + } + } + + + // 从任务的内容获取本地的 JSON 对象 + public JSONObject getLocalJSONFromContent() { + String name = getName(); + try { + if (mMetaInfo == null) { + // 新创建的任务 + if (name == null) { + Log.w(TAG, "the note seems to be an empty one"); + 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 { + // 已同步的任务 + 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; + } + } + + + // 设置任务的元信息 + 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; + } + } + } + + + // 获取同步操作的状态 + 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, "it seems that note meta has been deleted"); + return SYNC_ACTION_UPDATE_REMOTE; + } + + + if (!noteInfo.has(NoteColumns.ID)) { + Log.w(TAG, "remote note id seems to be deleted"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + + // 验证笔记的 ID + if (c.getLong(SqlNote.ID_COLUMN)!= noteInfo.getLong(NoteColumns.ID)) { + Log.w(TAG, "note id doesn't match"); + return SYNC_ACTION_UPDATE_LOCAL; + } + + + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // 本地没有更新 + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 两边都没有更新 + return SYNC_ACTION_NONE; + } else { + // 将远程更新应用到本地 + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + // 验证 gtask 的 ID + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask id doesn't match"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 仅本地修改 + 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; + } + + + // 判断任务是否值得保存 + 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; + } + + + // 设置任务的笔记信息 + public void setNotes(String notes) { + this.mNotes = notes; + } + + + // 设置任务的前一个兄弟任务 + public void setPriorSibling(Task priorSibling) { + this.mPriorSibling = priorSibling; + } + + + // 设置任务的父任务列表 + public void setParent(TaskList parent) { + this.mParent = parent; + } + + + // 获取任务完成状态 + public boolean getCompleted() { + return this.mCompleted; + } + + + // 获取任务的笔记信息 + public String getNotes() { + return this.mNotes; + } + + + // 获取任务的前一个兄弟任务 + public Task getPriorSibling() { + return this.mPriorSibling; + } + + + // 获取任务的父任务列表 + public TaskList getParent() { + return this.mParent; + } +} \ No newline at end of file diff --git a/src/gtask/data/TaskList.java b/src/gtask/data/TaskList.java new file mode 100644 index 0000000..7114d94 --- /dev/null +++ b/src/gtask/data/TaskList.java @@ -0,0 +1,381 @@ +// 该类 TaskList 继承自 Node 类，是一个表示任务列表的类，用于管理任务列表及其相关操作 +public class TaskList extends Node { + // 日志标签，使用类的简单名称 + private static final String TAG = TaskList.class.getSimpleName(); + // 任务列表的索引 + private int mIndex; + // 存储任务列表中的任务 + private ArrayList mChildren; + + + // 构造函数，初始化任务列表，创建一个空的任务列表并设置初始索引 + public TaskList() { + super(); + mChildren = new ArrayList(); + mIndex = 1; + } + + + // 获取创建操作的 JSON 对象 + public JSONObject getCreateAction(int actionId) { + JSONObject js = new JSONObject(); + + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_CREATE); + + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + + // index + js.put(GTaskStringUtils.GTASK_JSON_INDEX, mIndex); + + + // entity_delta + 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_GROUP); + js.put(GTaskStringUtils.GTASK_JSON_ENTITY_DELTA, entity); + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to generate tasklist-create jsonobject"); + } + + + return js; + } + + + // 获取更新操作的 JSON 对象 + public JSONObject getUpdateAction(int actionId) { + JSONObject js = new JSONObject(); + + + try { + // action_type + js.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_UPDATE); + + + // action_id + js.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, actionId); + + + // id + js.put(GTaskStringUtils.GTASK_JSON_ID, getGid()); + + + // entity_delta + JSONObject entity = new JSONObject(); + entity.put(GTaskStringUtils.GTASK_JSON_NAME, getName()); + 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("fail to generate tasklist-update jsonobject"); + } + + + return js; + } + + + // 根据远程的 JSON 对象设置任务列表的内容 + public void setContentByRemoteJSON(JSONObject js) { + if (js!= null) { + try { + // id + if (js.has(GTaskStringUtils.GTASK_JSON_ID)) { + setGid(js.getString(GTaskStringUtils.GTASK_JSON_ID)); + } + + + // last_modified + if (js.has(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)) { + setLastModified(js.getLong(GTaskStringUtils.GTASK_JSON_LAST_MODIFIED)); + } + + + // name + if (js.has(GTaskStringUtils.GTASK_JSON_NAME)) { + setName(js.getString(GTaskStringUtils.GTASK_JSON_NAME)); + } + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("fail to get tasklist content from jsonobject"); + } + } + } + + + // 根据本地的 JSON 对象设置任务列表的内容 + public void setContentByLocalJSON(JSONObject js) { + if (js == null ||!js.has(GTaskStringUtils.META_HEAD_NOTE)) { + Log.w(TAG, "setContentByLocalJSON: nothing is avaiable"); + } + + + 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, "invalid system folder"); + } else { + Log.e(TAG, "error type"); + } + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + } + + + // 从任务列表的内容获取本地的 JSON 对象 + public JSONObject getLocalJSONFromContent() { + try { + JSONObject js = new JSONObject(); + JSONObject folder = new JSONObject(); + + + String folderName = getName(); + if (getName().startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)) + folderName = folderName.substring(GTaskStringUtils.MIUI_FOLDER_PREFFIX.length(), + folderName.length()); + folder.put(NoteColumns.SNIPPET, folderName); + if (folderName.equals(GTaskStringUtils.FOLDER_DEFAULT) + || folderName.equals(GTaskStringUtils.FOLDER_CALL_NOTE)) + folder.put(NoteColumns.TYPE, Notes.TYPE_SYSTEM); + else + folder.put(NoteColumns.TYPE, Notes.TYPE_FOLDER); + + + js.put(GTaskStringUtils.META_HEAD_NOTE, folder); + + + return js; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return null; + } + } + + + // 获取同步操作的状态 + public int getSyncAction(Cursor c) { + try { + if (c.getInt(SqlNote.LOCAL_MODIFIED_COLUMN) == 0) { + // 本地没有更新 + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 两边都没有更新 + return SYNC_ACTION_NONE; + } else { + // 将远程更新应用到本地 + return SYNC_ACTION_UPDATE_LOCAL; + } + } else { + // 验证 gtask 的 ID + if (!c.getString(SqlNote.GTASK_ID_COLUMN).equals(getGid())) { + Log.e(TAG, "gtask id doesn't match"); + return SYNC_ACTION_ERROR; + } + if (c.getLong(SqlNote.SYNC_ID_COLUMN) == getLastModified()) { + // 仅本地修改 + return SYNC_ACTION_UPDATE_REMOTE; + } else { + // 对于文件夹冲突，仅应用本地修改 + return SYNC_ACTION_UPDATE_REMOTE; + } + } + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + } + + + return SYNC_ACTION_ERROR; + } + + + // 获取任务列表中任务的数量 + public int getChildTaskCount() { + return mChildren.size(); + } + + + // 向任务列表中添加任务 + public boolean addChildTask(Task task) { + boolean ret = false; + if (task!= null &&!mChildren.contains(task)) { + ret = mChildren.add(task); + if (ret) { + // 设置前一个兄弟任务和父任务 + task.setPriorSibling(mChildren.isEmpty()? null : mChildren + .get(mChildren.size() - 1)); + task.setParent(this); + } + } + return ret; + } + + + // 在指定索引处添加任务 + public boolean addChildTask(Task task, int index) { + if (index < 0 || index > mChildren.size()) { + Log.e(TAG, "add child task: invalid index"); + return false; + } + + + int pos = mChildren.indexOf(task); + if (task!= null && pos == -1) { + mChildren.add(index, task); + + + // 更新任务列表 + Task preTask = null; + Task afterTask = null; + if (index!= 0) + preTask = mChildren.get(index - 1); + if (index!= mChildren.size() - 1) + afterTask = mChildren.get(index + 1); + + + task.setPriorSibling(preTask); + if (afterTask!= null) + afterTask.setPriorSibling(task); + } + + + return true; + } + + + // 从任务列表中移除任务 + public boolean removeChildTask(Task task) { + boolean ret = false; + int index = mChildren.indexOf(task); + if (index!= -1) { + ret = mChildren.remove(task); + + + if (ret) { + // 重置前一个兄弟任务和父任务 + task.setPriorSibling(null); + task.setParent(null); + + + // 更新任务列表 + if (index!= mChildren.size()) { + mChildren.get(index).setPriorSibling( + index == 0? null : mChildren.get(index - 1)); + } + } + } + return ret; + } + + + // 移动任务到指定索引位置 + public boolean moveChildTask(Task task, int index) { + + + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "move child task: invalid index"); + return false; + } + + + int pos = mChildren.indexOf(task); + if (pos == -1) { + Log.e(TAG, "move child task: the task should in the list"); + return false; + } + + + if (pos == index) + return true; + return (removeChildTask(task) && addChildTask(task, index)); + } + + + // 根据全局唯一标识符查找任务 + public Task findChildTaskByGid(String gid) { + for (int i = 0; i < mChildren.size(); i++) { + Task t = mChildren.get(i); + if (t.getGid().equals(gid)) { + return t; + } + } + return null; + } + + + // 获取任务在任务列表中的索引 + public int getChildTaskIndex(Task task) { + return mChildren.indexOf(task); + } + + + // 根据索引获取任务 + public Task getChildTaskByIndex(int index) { + if (index < 0 || index >= mChildren.size()) { + Log.e(TAG, "getTaskByIndex: invalid index"); + return null; + } + return mChildren.get(index); + } + + + // 根据全局唯一标识符获取任务（可能是笔误，应为 getChildTaskByGid） + public Task getChilTaskByGid(String gid) { + for (Task task : mChildren) { + if (task.getGid().equals(gid)) + return task; + } + return null; + } + + + // 获取任务列表中的任务列表 + public ArrayList getChildTaskList() { + return this.mChildren; + } + + + // 设置任务列表的索引 + public void setIndex(int index) { + this.mIndex = index; + } + + + // 获取任务列表的索引 + public int getIndex() { + return this.mIndex; + } +} \ No newline at end of file diff --git a/src/gtask/exception/ActionFailureException.java b/src/gtask/exception/ActionFailureException.java new file mode 100644 index 0000000..0440edc --- /dev/null +++ b/src/gtask/exception/ActionFailureException.java @@ -0,0 +1,54 @@ +/* + * 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; + +/** + * 自定义异常类 `ActionFailureException`，继承自 `RuntimeException`。 + * 用于表示在执行某些操作时发生的失败情况。 + */ +public class ActionFailureException extends RuntimeException { + + // 该字段是为了实现序列化和反序列化时保持版本一致性 + private static final long serialVersionUID = 4425249765923293627L; + + /** + * 默认构造方法，调用父类 `RuntimeException` 的无参构造方法。 + */ + public ActionFailureException() { + super(); + } + + /** + * 带有错误信息的构造方法，调用父类 `RuntimeException` 的构造方法，传递错误信息。 + * + * @param paramString 错误信息 + */ + public ActionFailureException(String paramString) { + super(paramString); + } + + /** + * 带有错误信息和引起异常的根本原因（另一个 Throwable 对象）的构造方法， + * 调用父类 `RuntimeException` 的构造方法，传递错误信息和根本原因。 + * + * @param paramString 错误信息 + * @param paramThrowable 引起异常的根本原因 + */ + public ActionFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} diff --git a/src/gtask/exception/NetworkFailureException.java b/src/gtask/exception/NetworkFailureException.java new file mode 100644 index 0000000..b86fb6d --- /dev/null +++ b/src/gtask/exception/NetworkFailureException.java @@ -0,0 +1,56 @@ +/* + * 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; + +/** + * 自定义异常类 `NetworkFailureException`，继承自 `Exception` 类。 + * 用于表示网络操作失败时抛出的异常。 + * 通常在处理网络请求或其他与网络相关的操作时，网络失败或连接问题会导致该异常被抛出。 + */ +public class NetworkFailureException extends Exception { + + // 该字段用于保证序列化和反序列化时的版本兼容性。 + private static final long serialVersionUID = 2107610287180234136L; + + /** + * 默认构造方法，调用父类 `Exception` 的无参构造方法。 + * 该构造方法适用于没有传入具体错误信息的场景。 + */ + public NetworkFailureException() { + super(); + } + + /** + * 带有错误信息的构造方法，调用父类 `Exception` 的构造方法，传递具体的错误信息。 + * + * @param paramString 错误信息，描述网络失败的具体原因。 + */ + public NetworkFailureException(String paramString) { + super(paramString); + } + + /** + * 带有错误信息和引起异常的根本原因（另一个 `Throwable` 对象）的构造方法。 + * 调用父类 `Exception` 的构造方法，传递错误信息和根本原因。 + * + * @param paramString 错误信息，描述网络失败的具体原因。 + * @param paramThrowable 引发当前异常的根本原因，通常是另一个异常。 + */ + public NetworkFailureException(String paramString, Throwable paramThrowable) { + super(paramString, paramThrowable); + } +} diff --git a/src/gtask/remote/GTaskASyncTask.java b/src/gtask/remote/GTaskASyncTask.java new file mode 100644 index 0000000..0826e44 --- /dev/null +++ b/src/gtask/remote/GTaskASyncTask.java @@ -0,0 +1,116 @@ +// 该类 GTaskASyncTask 继承自 AsyncTask，用于执行异步任务，可能是在后台执行 GTask 的同步操作并显示通知 +public class GTaskASyncTask extends AsyncTask { + // 同步通知的 ID + private static int GTASK_SYNC_NOTIFICATION_ID = 5234235; + + + // 定义一个接口，用于任务完成时的回调 + public interface OnCompleteListener { + void onComplete(); + } + + + // 上下文对象，用于获取系统服务等操作 + private Context mContext; + // 通知管理器，用于显示通知 + private NotificationManager mNotifiManager; + // GTask 管理器，可能用于执行实际的同步操作 + private GTaskManager mTaskManager; + // 完成监听器，用于任务完成时的回调 + private OnCompleteListener mOnCompleteListener; + + + // 构造函数，初始化成员变量 + public GTaskASyncTask(Context context, OnCompleteListener listener) { + mContext = context; + mOnCompleteListener = listener; + mNotifiManager = (NotificationManager) mContext + .getSystemService(Context.NOTIFICATION_SERVICE); + mTaskManager = GTaskManager.getInstance(); + } + + + // 取消同步操作，调用 GTaskManager 的取消同步方法 + public void cancelSync() { + mTaskManager.cancelSync(); + } + + + // 发布进度，调用父类的 publishProgress 方法 + public void publishProgess(String message) { + publishProgress(new String[] { + message + }); + } + + + // 显示通知 + private void showNotification(int tickerId, String content) { + // 创建通知对象，设置图标、时间戳等 + Notification notification = new Notification(R.drawable.notification, mContext + .getString(tickerId), System.currentTimeMillis()); + notification.defaults = Notification.DEFAULT_LIGHTS; + notification.flags = Notification.FLAG_AUTO_CANCEL; + PendingIntent pendingIntent; + if (tickerId!= R.string.ticker_success) { + // 根据不同的 tickerId 设置不同的 PendingIntent + pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, + NotesPreferenceActivity.class), 0); + + + } else { + pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext, + NotesListActivity.class), 0); + } + // 设置通知的详细信息 + notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content, + pendingIntent); + mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification); + } + + + // 在后台执行的任务，发布登录进度并调用 GTaskManager 的同步方法 + @Override + protected Integer doInBackground(Void... unused) { + publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity + .getSyncAccountName(mContext))); + return mTaskManager.sync(mContext, this); + } + + + // 在进度更新时显示通知，并根据上下文发送广播 + @Override + protected void onProgressUpdate(String... progress) { + showNotification(R.string.ticker_syncing, progress[0]); + if (mContext instanceof GTaskSyncService) { + ((GTaskSyncService) mContext).sendBroadcast(progress[0]); + } + } + + + // 任务执行完成后的操作，根据结果显示不同的通知，并调用完成监听器 + @Override + protected void onPostExecute(Integer result) { + if (result == GTaskManager.STATE_SUCCESS) { + showNotification(R.string.ticker_success, mContext.getString( + R.string.success_sync_account, mTaskManager.getSyncAccount())); + NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis()); + } else if (result == GTaskManager.STATE_NETWORK_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network)); + } else if (result == GTaskManager.STATE_INTERNAL_ERROR) { + showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal)); + } else if (result == GTaskManager.STATE_SYNC_CANCELLED) { + showNotification(R.string.ticker_cancel, mContext + .getString(R.string.error_sync_cancelled)); + } + if (mOnCompleteListener!= null) { + new Thread(new Runnable() { + + + public void run() { + mOnCompleteListener.onComplete(); + } + }).start(); + } + } +} \ No newline at end of file diff --git a/src/gtask/remote/GTaskClient.java b/src/gtask/remote/GTaskClient.java new file mode 100644 index 0000000..5dc56f0 --- /dev/null +++ b/src/gtask/remote/GTaskClient.java @@ -0,0 +1,753 @@ +/* + * 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 服务进行交互 +public class GTaskClient { + // 日志标签，使用类的简单名称，方便日志输出时识别 + private static final String TAG = GTaskClient.class.getSimpleName(); + // Google Tasks 的基础 URL + private static final String GTASK_URL = "https://mail.google.com/tasks/"; + // 获取任务列表数据的 URL + private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig"; + // 发送任务列表操作的 URL + private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig"; + // 单例对象，确保只有一个 GTaskClient 实例 + private static GTaskClient mInstance = null; + // HTTP 客户端，用于发送 HTTP 请求 + private DefaultHttpClient mHttpClient; + // 存储获取数据的 URL + private String mGetUrl; + // 存储发送数据的 URL + private String mPostUrl; + // 客户端版本号 + private long mClientVersion; + // 登录状态 + private boolean mLoggedin; + // 上次登录的时间戳 + private long mLastLoginTime; + // 操作的唯一标识符，每次操作递增 + private int mActionId; + // 存储用户的 Google 账户信息 + private Account mAccount; + // 存储更新操作的 JSON 数组 + private JSONArray mUpdateArray; + + + // 构造函数，初始化成员变量 + private GTaskClient() { + mHttpClient = null; + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + mClientVersion = -1; + mLoggedin = false; + mLastLoginTime = 0; + mActionId = 1; + mAccount = null; + mUpdateArray = null; + } + + + // 获取 GTaskClient 的单例实例 + public static synchronized GTaskClient getInstance() { + if (mInstance == null) { + mInstance = new GTaskClient(); + } + return mInstance; + } + + + // 登录方法，用于登录 Google Tasks 服务 + public boolean login(Activity activity) { + // 假设 cookie 在 5 分钟后过期，需要重新登录 + final long interval = 1000 * 60 * 5; + if (mLastLoginTime + interval < System.currentTimeMillis()) { + mLoggedin = false; + } + + + // 账户切换后需要重新登录 + if (mLoggedin &&!TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity.getSyncAccountName(activity))) { + mLoggedin = false; + } + + + if (mLoggedin) { + Log.d(TAG, "already logged in"); + return true; + } + + + mLastLoginTime = System.currentTimeMillis(); + // 调用 loginGoogleAccount 方法获取认证令牌 + String authToken = loginGoogleAccount(activity, false); + if (authToken == null) { + Log.e(TAG, "login google account failed"); + return false; + } + + + // 如果账户不是以 gmail.com 或 googlemail.com 结尾，使用自定义域名登录 + 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; + } + } + + + // 尝试使用谷歌官方 URL 登录 + if (!mLoggedin) { + mGetUrl = GTASK_GET_URL; + mPostUrl = GTASK_POST_URL; + if (!tryToLoginGtask(activity, authToken)) { + return false; + } + } + + + mLoggedin = true; + return true; + } + + + // 登录 Google 账户 + private String loginGoogleAccount(Activity activity, boolean invalidateToken) { + String authToken; + // 获取账户管理器 + AccountManager accountManager = AccountManager.get(activity); + // 获取所有 Google 账户 + Account[] accounts = accountManager.getAccountsByType("com.google"); + + + if (accounts.length == 0) { + Log.e(TAG, "there is no available google account"); + return null; + } + + + // 获取同步账户的名称 + 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, "unable to get an account with the same name in the settings"); + return null; + } + + + // 获取账户的认证令牌 + AccountManagerFuture accountManagerFuture = accountManager.getAuthToken(account, "goanna_mobile", null, activity, null, null); + try { + Bundle authTokenBundle = accountManagerFuture.getResult(); + authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN); + if (invalidateToken) { + // 使令牌失效并重新登录 + accountManager.invalidateAuthToken("com.google", authToken); + loginGoogleAccount(activity, false); + } + } catch (Exception e) { + Log.e(TAG, "get auth token failed"); + authToken = null; + } + + + return authToken; + } + + + // 尝试登录 GTask 服务 + private boolean tryToLoginGtask(Activity activity, String authToken) { + if (!loginGtask(authToken)) { + // 令牌可能过期，重新获取令牌并再次尝试登录 + authToken = loginGoogleAccount(activity, true); + if (authToken == null) { + Log.e(TAG, "login google account failed"); + return false; + } + + + if (!loginGtask(authToken)) { + Log.e(TAG, "login gtask failed"); + return false; + } + } + return true; + } + + + // 执行 GTask 服务的登录操作 + private boolean loginGtask(String authToken) { + int timeoutConnection = 10000; + int timeoutSocket = 15000; + // 设置 HTTP 请求的参数，包括连接超时和套接字超时 + 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); + + + // 执行登录请求 + try { + String loginUrl = mGetUrl + "?auth=" + authToken; + HttpGet httpGet = new HttpGet(loginUrl); + HttpResponse response = null; + response = mHttpClient.execute(httpGet); + + + // 检查是否获得认证 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, "it seems that there is no auth cookie"); + } + + + // 获取响应内容并解析客户端版本号 + String resString = getResponseContent(response.getEntity()); + String jsBegin = "_setup("; + String jsEnd = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin!= -1 && end!= -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + JSONObject js = new JSONObject(jsString); + mClientVersion = js.getLong("v"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + return false; + } catch (Exception e) { + Log.e(TAG, "httpget gtask_url failed"); + return false; + } + + + return true; + } + + + // 获取下一个操作的唯一标识符 + private int getActionId() { + return mActionId++; + } + + + // 创建 HTTP POST 请求 + private HttpPost createHttpPost() { + HttpPost httpPost = new HttpPost(mPostUrl); + // 设置请求头，指定内容类型和其他属性 + httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8"); + httpPost.setHeader("AT", "1"); + return httpPost; + } + + + // 获取 HTTP 响应的内容 + private String getResponseContent(HttpEntity entity) throws IOException { + String contentEncoding = null; + if (entity.getContentEncoding()!= null) { + contentEncoding = entity.getContentEncoding().getValue(); + Log.d(TAG, "encoding: " + contentEncoding); + } + + + InputStream input = entity.getContent(); + if (contentEncoding!= null && contentEncoding.equalsIgnoreCase("gzip")) { + input = new GZIPInputStream(entity.getContent()); + } else if (contentEncoding!= null && contentEncoding.equalsIgnoreCase("deflate")) { + Inflater inflater = new Inflater(true); + input = new InflaterInputStream(entity.getContent(), inflater); + } + + + try { + InputStreamReader isr = new InputStreamReader(input); + BufferedReader br = new BufferedReader(isr); + StringBuilder sb = new StringBuilder(); + + + // 逐行读取响应内容 + while (true) { + String buff = br.readLine(); + if (buff == null) { + return sb.toString(); + } + sb = sb.append(buff); + } + } finally { + input.close(); + } + } + + + // 发送 POST 请求 + private JSONObject postRequest(JSONObject js) throws NetworkFailureException { + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + + HttpPost httpPost = createHttpPost(); + try { + LinkedList list = new LinkedList(); + list.add(new BasicNameValuePair("r", js.toString())); + // 创建 URL 编码的表单实体 + UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8"); + httpPost.setEntity(entity); + + + // 执行 POST 请求 + HttpResponse response = mHttpClient.execute(httpPost); + String jsString = getResponseContent(response.getEntity()); + return new JSONObject(jsString); + + + } catch (ClientProtocolException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("postRequest failed"); + } catch (IOException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("postRequest failed"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("unable to convert response content to jsonobject"); + } catch (Exception e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("error occurs when posting request"); + } + } + + + // 创建任务 + public void createTask(Task task) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + + // 将任务的创建操作添加到动作列表中 + actionList.put(task.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + + // 包含客户端版本号 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + + // 发送请求并处理响应 + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create task: handing jsonobject failed"); + } + } + + + // 创建任务列表 + public void createTaskList(TaskList tasklist) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + + + // 将任务列表的创建操作添加到动作列表中 + actionList.put(tasklist.getCreateAction(getActionId())); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + + // 包含客户端版本号 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + + // 发送请求并处理响应 + JSONObject jsResponse = postRequest(jsPost); + JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_RESULTS).get(0); + tasklist.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID)); + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("create tasklist: handing jsonobject failed"); + } + } + + + // 提交更新操作 + public void commitUpdate() throws NetworkFailureException { + if (mUpdateArray!= null) { + try { + JSONObject jsPost = new JSONObject(); + + + // 将更新操作列表添加到请求中 + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray); + + + // 包含客户端版本号 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + + postRequest(jsPost); + mUpdateArray = null; + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("commit update: handing jsonobject failed"); + } + } + } + + + // 添加节点更新操作 + public void addUpdateNode(Node node) throws NetworkFailureException { + if (node!= null) { + // 为了避免过多更新操作，最多存储 10 个更新项 + if (mUpdateArray!= null && mUpdateArray.length() > 10) { + commitUpdate(); + } + + + if (mUpdateArray == null) + mUpdateArray = new JSONArray(); + mUpdateArray.put(node.getUpdateAction(getActionId())); + } + } + + + // 移动任务 + public void moveTask(Task task, TaskList preParent, TaskList curParent) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + + // 配置移动任务的操作信息 + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE); + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); + if (preParent == curParent && task.getPriorSibling()!= null) { + // 仅在任务列表内移动且不是第一个任务时添加前置兄弟任务的信息 + action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling()); + } + action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); + action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); + if (preParent!= curParent) { + // 仅在任务列表间移动时添加目标列表信息 + action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid()); + } + actionList.put(action); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + + // 包含客户端版本号 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + + postRequest(jsPost); + + + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("move task: handing jsonobject failed"); + } + } + + + // 该部分代码是 GTaskClient 类的部分方法，主要涉及节点删除、任务列表获取以及一些相关操作 + +// 删除节点的方法 +public void deleteNode(Node node) throws NetworkFailureException { + // 首先调用 commitUpdate 方法，可能是为了提交之前的更新操作 + commitUpdate(); + try { + // 创建一个新的 JSON 对象用于存储要发送给服务器的请求信息 + JSONObject jsPost = new JSONObject(); + // 创建一个 JSON 数组，用于存储操作列表 + JSONArray actionList = new JSONArray(); + + // action_list + // 将节点标记为已删除 + node.setDeleted(true); + // 将节点的更新操作添加到操作列表中，getActionId() 可能是获取一个唯一的操作 ID + actionList.put(node.getUpdateAction(getActionId())); + // 将操作列表添加到 JSON 对象中，使用了一个常量作为键，可能是约定的键名 + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + // client_version + // 将客户端版本添加到 JSON 对象中，可能是为了服务器端进行兼容性检查等操作 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + // 调用 postRequest 方法发送请求，将创建的 JSON 对象作为请求参数 + postRequest(jsPost); + // 将更新数组置为 null，可能是清空之前的更新操作 + mUpdateArray = null; + } catch (JSONException e) { + // 发生 JSON 异常时的处理，输出错误日志并抛出自定义异常 + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("delete node: handing jsonobject failed"); + } +} + +// 获取任务列表的方法 +public JSONArray getTaskLists() throws NetworkFailureException { + // 如果未登录，则输出错误日志并抛出异常 + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + try { + // 创建一个 HTTP GET 请求 + HttpGet httpGet = new HttpGet(mGetUrl); + HttpResponse response = null; + // 执行请求并获取响应 + response = mHttpClient.execute(httpGet); + + // get the task list + // 获取响应内容 + String resString = getResponseContent(response.getEntity()); + // 定义 JSON 数据的起始和结束标记，可能是为了提取有效 JSON 数据 + String jsBegin = "_setup("; + String jsEnd = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + // 提取有效的 JSON 字符串 + if (begin!= -1 && end!= -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + // 将 JSON 字符串解析为 JSON 对象 + JSONObject js = new JSONObject(jsString); + // 从 JSON 对象中获取任务列表数据，使用了一个常量作为键，可能是约定的键名 + return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); + } catch (ClientProtocolException e) { + // 客户端协议异常处理，输出错误日志并抛出网络异常 + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (IOException e) { + // IO 异常处理，输出错误日志并抛出网络异常 + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (JSONException e) { + // JSON 异常处理，输出错误日志并抛出自定义异常 + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task lists: handing jasonobject failed"); + } +} + +// 根据列表 GID 获取任务列表的方法 +public JSONArray getTaskList(String listGid) throws NetworkFailureException { + // 调用 commitUpdate 方法，可能是为了提交之前的更新操作 + commitUpdate(); + try { + // 创建一个新的 JSON 对象用于存储请求信息 + JSONObject jsPost = new JSONObject(); + // 创建一个操作列表的 JSON 数组 + JSONArray actionList = new JSONArray(); + // 创建一个操作的 JSON 对象 + JSONObject action = new JSONObject(); + + // action_list + // 设置操作类型，使用了一个常量作为操作类型，可能是约定的操作类型 + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); + // 设置操作的 ID，使用 getActionId() 获取唯一操作 ID + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + // 设置列表的 GID + action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); + // 设置是否获取已删除的任务，这里设置为 false + action.put(GTaskStringUtils.GTASK_JSON_GET_DELET OF_NODE); + Log.e(TAG, "delete node: handing jsonobject failed"); + } + } + + + // 获取任务列表 + public JSONArray getTaskLists() throws NetworkFailureException { + if (!mLoggedin) { + Log.e(TAG, "please login first"); + throw new ActionFailureException("not logged in"); + } + + + try { + HttpGet httpGet = new HttpGet(mGetUrl); + HttpResponse response = null; + response = mHttpClient.execute(httpGet); + + + // 获取任务列表 + String resString = getResponseContent(response.getEntity()); + String jsBegin = "_setup("; + String jsEnd = ")}"; + int begin = resString.indexOf(jsBegin); + int end = resString.lastIndexOf(jsEnd); + String jsString = null; + if (begin!= -1 && end!= -1 && begin < end) { + jsString = resString.substring(begin + jsBegin.length(), end); + } + JSONObject js = new JSONObject(jsString); + return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS); + } catch (ClientProtocolException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (IOException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new NetworkFailureException("gettasklists: httpget failed"); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task lists: handing jasonobject failed"); + } + } + + + // 根据列表 GID 获取任务列表 + public JSONArray getTaskList(String listGid) throws NetworkFailureException { + commitUpdate(); + try { + JSONObject jsPost = new JSONObject(); + JSONArray actionList = new JSONArray(); + JSONObject action = new JSONObject(); + + + // 配置操作列表 + action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE, + GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); + action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); + action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); + action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); + actionList.put(action); + jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList); + + + // 包含客户端版本号 + jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion); + + + JSONObject jsResponse = postRequest(jsPost); + return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS); + } catch (JSONException e) { + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("get task list: handing jsonobject failed"); + } + } + + + // 获取同步账户 + public Account getSyncAccount() { + return mAccount; + } + + + // 重置更新数组 + public void resetUpdateArray() { + mUpdateArray = null; + } +} \ No newline at end of file diff --git a/src/gtask/remote/GTaskManager.java b/src/gtask/remote/GTaskManager.java new file mode 100644 index 0000000..f35cbbc --- /dev/null +++ b/src/gtask/remote/GTaskManager.java @@ -0,0 +1,918 @@ +/* + * 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 GTask 的同步操作 +public class GTaskManager { + // 日志标签，使用类的简单名称 + private static final String TAG = GTaskManager.class.getSimpleName(); + // 同步成功的状态码 + public static final int STATE_SUCCESS = 0; + // 网络错误的状态码 + public static final int STATE_NETWORK_ERROR = 1; + // 内部错误的状态码 + public static final int STATE_INTERNAL_ERROR = 2; + // 同步正在进行的状态码 + public static final int STATE_SYNC_IN_PROGRESS = 3; + // 同步已取消的状态码 + public static final int STATE_SYNC_CANCELLED = 4; + + + // 单例实例 + private static GTaskManager mInstance = null; + // 关联的 Activity，可能用于执行一些与 UI 或账户认证相关的操作 + private Activity mActivity; + // 上下文对象，用于访问系统资源 + private Context mContext; + // 内容解析器，用于操作内容提供器的数据 + private ContentResolver mContentResolver; + // 标记是否正在同步 + private boolean mSyncing; + // 标记是否已取消同步 + private boolean mCancelled; + // 存储任务列表的映射，键为字符串，值为 TaskList 对象 + private HashMap mGTaskListHashMap; + // 存储节点的映射，键为字符串，值为 Node 对象 + private HashMap mGTaskHashMap; + // 存储元数据的映射，键为字符串，值为 MetaData 对象 + private HashMap mMetaHashMap; + // 元数据列表 + private TaskList mMetaList; + // 存储本地删除的 ID 集合 + private HashSet mLocalDeleteIdMap; + // 存储 GID 到 NID 的映射，键为字符串（GID），值为 Long（NID） + private HashMap mGidToNid; + // 存储 NID 到 GID 的映射，键为 Long（NID），值为字符串（GID） + private HashMap mNidToGid; + + + // 私有构造函数，用于初始化成员变量 + 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; + } + + + // 设置活动上下文，可能用于获取认证令牌等操作 + public synchronized void setActivityContext(Activity activity) { + // used for getting authtoken + mActivity = activity; + } + + + // 执行同步操作的方法 + public int sync(Context context, GTaskASyncTask asyncTask) { + // 如果正在同步，输出日志信息并返回正在同步的状态码 + if (mSyncing) { + Log.d(TAG, "Sync is in progress"); + return STATE_SYNC_IN_PROGRESS; + } + mContext = context; + mContentResolver = mContext.getContentResolver(); + mSyncing = true; + mCancelled = false; + // 清空各种映射和集合，为同步操作做准备 + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + + + try { + GTaskClient client = GTaskClient.getInstance(); + // 重置 GTaskClient 的更新数组 + client.resetUpdateArray(); + + + // 登录 Google 任务，如果未取消且登录失败则抛出异常 + if (!mCancelled) { + if (!client.login(mActivity)) { + throw new NetworkFailureException("login google task failed"); + } + } + + + // 通知异步任务同步进度，开始初始化任务列表 + asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list)); + initGTaskList(); + + + // 通知异步任务同步进度，开始进行内容同步操作 + 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 { + // 无论是否发生异常，最终都清空各种映射和集合，并标记同步结束 + mGTaskListHashMap.clear(); + mGTaskHashMap.clear(); + mMetaHashMap.clear(); + mLocalDeleteIdMap.clear(); + mGidToNid.clear(); + mNidToGid.clear(); + mSyncing = false; + } + + + // 根据是否取消返回相应的状态码 + return mCancelled? STATE_SYNC_CANCELLED : STATE_SUCCESS; + } +} + + // 该方法用于初始化 GTask 列表 +private void initGTaskList() throws NetworkFailureException { + // 如果同步操作已被取消，则直接返回 + if (mCancelled) + return; + // 获取 GTaskClient 的实例 + GTaskClient client = GTaskClient.getInstance(); + try { + // 从 GTaskClient 获取任务列表的 JSON 数组 + JSONArray jsTaskLists = client.getTaskLists(); + + // 首先将元数据列表初始化为 null + mMetaList = null; + // 遍历任务列表的 JSON 数组 + for (int i = 0; i < jsTaskLists.length(); i++) { + // 从 JSON 数组中获取每个任务列表的 JSONObject 表示 + JSONObject object = jsTaskLists.getJSONObject(i); + // 获取任务列表的 GID 和名称 + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + // 检查任务列表的名称是否是元数据文件夹 + if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { + // 创建一个新的任务列表对象，并根据远程 JSON 内容设置其内容 + mMetaList = new TaskList(); + mMetaList.setContentByRemoteJSON(object); + + // 加载元数据 + JSONArray jsMetas = client.getTaskList(gid); + for (int j = 0; j < jsMetas.length(); j++) { + // 获取元数据的 JSONObject 表示 + object = (JSONObject) jsMetas.getJSONObject(j); + // 创建元数据对象并根据远程 JSON 内容设置其内容 + MetaData metaData = new MetaData(); + metaData.setContentByRemoteJSON(object); + // 如果元数据值得保存 + if (metaData.isWorthSaving()) { + // 将元数据添加为元数据列表的子任务 + mMetaList.addChildTask(metaData); + if (metaData.getGid()!= null) { + // 将元数据添加到元数据映射中 + 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 + if (mMetaList == null) { + mMetaList = new TaskList(); + mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META); + GTaskClient.getInstance().createTaskList(mMetaList); + } + + // 初始化任务列表 + for (int i = 0; i < jsTaskLists.length(); i++) { + // 获取任务列表的 JSONObject 表示 + JSONObject object = jsTaskLists.getJSONObject(i); + // 获取任务列表的 GID 和名称 + String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); + + // 检查任务列表名称是否以特定前缀开头且不是元数据文件夹 + if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) && + !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { + // 创建新的任务列表对象并根据远程 JSON 内容设置其内容 + TaskList tasklist = new TaskList(); + tasklist.setContentByRemoteJSON(object); + // 将任务列表添加到任务列表映射中 + mGTaskListHashMap.put(gid, tasklist); + mGTaskHashMap.put(gid, tasklist); + + // 加载任务 + JSONArray jsTasks = client.getTaskList(gid); + for (int j = 0; j < jsTasks.length(); j++) { + // 获取任务的 JSONObject 表示 + object = (JSONObject) jsTasks.getJSONObject(j); + gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); + // 创建新的任务对象并根据远程 JSON 内容设置其内容 + Task task = new Task(); + task.setContentByRemoteJSON(object); + // 如果任务值得保存 + if (task.isWorthSaving()) { + // 设置任务的元信息 + task.setMetaInfo(mMetaHashMap.get(gid)); + // 将任务添加为任务列表的子任务 + tasklist.addChildTask(task); + // 将任务添加到任务映射中 + mGTaskHashMap.put(gid, task); + } + } + } + } + } catch (JSONException e) { + // 打印日志并抛出操作失败异常 + Log.e(TAG, e.toString()); + e.printStackTrace(); + throw new ActionFailureException("initGTaskList: handing JSONObject failed"); + } +} + + +// 该方法用于同步内容 +private void syncContent() throws NetworkFailureException { + int syncType; + Cursor c = null; + String gid; + Node node; + + // 清空本地删除 ID 映射 + mLocalDeleteIdMap.clear(); + + // 如果同步操作已取消，直接返回 + if (mCancelled) { + return; + } + + // 处理本地删除的笔记 + try { + // 查询垃圾桶文件夹中的笔记 + 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()) { + // 获取笔记的 GID + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + // 根据 GID 获取节点 + node = mGTaskHashMap.get(gid); + if (node!= null) { + // 从任务映射中移除该节点 + mGTaskHashMap.remove(gid); + // 执行远程删除操作 + doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c); + } + // 将笔记的本地 ID 添加到本地删除 ID 集合中 + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + } + } else { + Log.w(TAG, "failed to query trash folder"); + } + } finally { + // 关闭游标 + if (c!= null) { + c.close(); + c = null; + } + } + + // 先同步文件夹 + syncFolder(); + + // 处理数据库中存在的笔记 + try { + // 查询数据库中的笔记 + 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()) { + // 获取笔记的 GID + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + // 根据 GID 获取节点 + 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); + // 获取同步类型 + syncType = node.getSyncAction(c); + } else { + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + // 本地添加 + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // 远程删除 + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + // 执行内容同步操作 + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing note in database"); + } + } finally { + // 关闭游标 + if (c!= null) { + c.close(); + c = null; + } + } +// 该部分代码是 GTaskManager 类的一部分，涉及同步操作的进一步处理，包括处理剩余项、同步文件夹等操作 + +// 遍历 mGTaskHashMap 中剩余的项 +// go through remaining items +Iterator> iter = mGTaskHashMap.entrySet().iterator(); +while (iter.hasNext()) { + // 获取下一个映射项 + Map.Entry entry = iter.next(); + // 获取节点 + node = entry.getValue(); + // 调用 doContentSync 方法进行本地添加操作，传入的参数为 Node.SYNC_ACTION_ADD_LOCAL，表示本地添加操作，节点和空的 Cursor（可能表示不需要数据库信息） + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); +} + +// mCancelled 可以被另一个线程设置，所以需要逐个检查 +// clear local delete table +// 如果同步未被取消 +if (!mCancelled) { + // 尝试批量删除本地已删除的笔记，如果失败则抛出 ActionFailureException + if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) { + throw new ActionFailureException("failed to batch-delete local deleted notes"); + } +} + +// refresh local sync id +// 如果同步未被取消 +if (!mCancelled) { + // 调用 GTaskClient 的 commitUpdate 方法提交更新 + GTaskClient.getInstance().commitUpdate(); + // 调用 refreshLocalSyncId 方法刷新本地同步 ID + refreshLocalSyncId(); +} + + +// 同步文件夹的方法，可能会抛出 NetworkFailureException 异常 +private void syncFolder() throws NetworkFailureException { + // 定义游标、GID、节点和同步类型变量 + Cursor c = null; + String gid; + Node node; + int syncType; + + // 如果同步操作已取消，直接返回 + if (mCancelled) { + return; + } + + // for root folder + try { + // 查询根文件夹的信息 + c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI, + Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null); + if (c!= null) { + // 将游标移动到下一个位置 + c.moveToNext(); + // 获取 GID + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + // 从 mGTaskHashMap 中获取节点 + node = mGTaskHashMap.get(gid); + if (node!= null) { + // 从映射中移除该节点 + mGTaskHashMap.remove(gid); + // 将 GID 和根文件夹的 ID 映射存储到 mGidToNid 和 mNidToGid 中 + mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER); + mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid); + // 对于系统文件夹，如果节点的名称不等于特定的系统文件夹名称，调用 doContentSync 进行远程更新操作 + if (!node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) + doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); + } else { + // 如果节点不存在，调用 doContentSync 进行远程添加操作 + doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); + } + } else { + Log.w(TAG, "failed to query root folder"); + } + } finally { + // 确保游标被关闭 + if (c!= null) { + c.close(); + c = null; + } + } + + // for call-note folder + try { + // 查询通话记录文件夹的信息 + 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()) { + // 获取 GID + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + // 从 mGTaskHashMap 中获取节点 + node = mGTaskHashMap.get(gid); + if (node!= null) { + // 从映射中移除该节点 + mGTaskHashMap.remove(gid); + // 将 GID 和通话记录文件夹的 ID 映射存储到 mGidToNid 和 mNidToGid 中 + mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER); + mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid); + // 对于系统文件夹，如果节点的名称不等于特定的通话记录文件夹名称，调用 doContentSync 进行远程更新操作 + if (!node.getName().equals( + GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) + doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c); + } else { + // 如果节点不存在，调用 doContentSync 进行远程添加操作 + doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c); + } + } + } else { + Log.w(TAG, "failed to query call note folder"); + } + } finally { + // 确保游标被关闭 + if (c!= null) { + c.close(); + c = null; + } + } + + // for local existing folders + try { + // 查询本地存在的文件夹信息 + 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()) { + // 获取 GID + gid = c.getString(SqlNote.GTASK_ID_COLUMN); + // 从 mGTaskHashMap 中获取节点 + node = mGTaskHashMap.get(gid); + if (node!= null) { + // 从映射中移除该节点 + mGTaskHashMap.remove(gid); + // 将 GID 和当前文件夹的 ID 映射存储到 mGidToNid 和 mNidToGid 中 + mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN)); + mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid); + // 获取同步类型 + syncType = node.getSyncAction(c); + } else { + // 如果 GID 长度为 0，说明是本地添加操作 + if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) { + syncType = Node.SYNC_ACTION_ADD_REMOTE; + } else { + // 否则是远程删除操作 + syncType = Node.SYNC_ACTION_DEL_LOCAL; + } + } + // 调用 doContentSync 进行相应的同步操作 + doContentSync(syncType, node, c); + } + } else { + Log.w(TAG, "failed to query existing folder"); + } + } finally { + // 确保游标被关闭 + if (c!= null) { + c.close(); + c = null; + } + } + + // for remote add folders + // 遍历任务列表的 HashMap 的迭代器 +Iterator> iter = mGTaskListHashMap.entrySet().iterator(); +while (iter.hasNext()) { + // 获取迭代器的下一个元素 + Map.Entry entry = iter.next(); + // 获取任务列表的 GID + gid = entry.getKey(); + // 获取任务列表的节点 + node = entry.getValue(); + // 检查 GTaskHashMap 是否包含该 GID + if (mGTaskHashMap.containsKey(gid)) { + // 从 GTaskHashMap 中移除该 GID + mGTaskHashMap.remove(gid); + // 执行内容同步操作，同步类型为本地添加 + doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null); + } +} +// 如果同步操作未取消 +if (!mCancelled) + // 调用 GTaskClient 的 commitUpdate 方法 + GTaskClient.getInstance().commitUpdate(); + + +// 执行内容同步操作的方法，根据不同的同步类型进行不同的操作 +private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + MetaData meta; + switch (syncType) { + // 本地添加节点 + case Node.SYNC_ACTION_ADD_LOCAL: + addLocalNode(node); + break; + // 远程添加节点 + case Node.SYNC_ACTION_ADD_REMOTE: + addRemoteNode(node, c); + break; + // 本地删除节点 + case Node.SYNC_ACTION_DEL_LOCAL: + // 从元数据映射中获取元数据 + meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN)); + if (meta!= null) { + // 调用 GTaskClient 的 deleteNode 方法删除元数据 + GTaskClient.getInstance().deleteNode(meta); + } + // 将本地删除的节点 ID 添加到本地删除集合中 + mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); + break; + // 远程删除节点 + case Node.SYNC_ACTION_DEL_REMOTE: + // 从元数据映射中获取元数据 + meta = mMetaHashMap.get(node.getGid()); + if (meta!= null) { + // 调用 GTaskClient 的 deleteNode 方法删除元数据 + GTaskClient.getInstance().deleteNode(meta); + } + // 调用 GTaskClient 的 deleteNode 方法删除节点 + GTaskClient.getInstance().deleteNode(node); + break; + // 本地更新节点 + case Node.SYNC_ACTION_UPDATE_LOCAL: + updateLocalNode(node, c); + break; + // 远程更新节点 + case Node.SYNC_ACTION_UPDATE_REMOTE: + updateRemoteNode(node, c); + break; + // 同步冲突 + case Node.SYNC_ACTION_UPDATE_CONFLICT: + // 合并修改，目前只是简单地使用远程更新 + updateRemoteNode(node, c); + break; + // 无同步操作 + case Node.SYNC_ACTION_NONE: + break; + // 同步操作错误 + case Node.SYNC_ACTION_ERROR: + default: + // 抛出异常，因为同步操作类型未知 + throw new ActionFailureException("unkown sync action type"); + } +} + + +// 本地添加节点的方法 +private void addLocalNode(Node node) throws NetworkFailureException { + if (mCancelled) { + return; + } + SqlNote sqlNote; + if (node instanceof TaskList) { + // 根据节点名称创建不同的 SqlNote 对象 + 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); + // 设置 SqlNote 的内容 + sqlNote.setContent(node.getLocalJSONFromContent()); + // 设置父节点 ID + 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，移除 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，移除数据 ID + data.remove(DataColumns.ID); + } + } + } + } + } catch (JSONException e) { + Log.w(TAG, e.toString()); + e.printStackTrace(); + } + // 设置 SqlNote 的内容 + sqlNote.setContent(js); + // 获取父节点的 GID 对应的本地 ID + 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"); + } + // 设置父节点 ID + sqlNote.setParentId(parentId.longValue()); + } + // 创建本地节点 + sqlNote.setGtaskId(node.getGid()); + sqlNote.commit(false); + // 更新 GID 到 NID 的映射和 NID 到 GID 的映射 + mGidToNid.put(node.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), node.getGid()); + // 更新远程元数据 + updateRemoteMeta(node.getGid(), sqlNote); +} + + +// 本地更新节点的方法 +private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + SqlNote sqlNote; + // 本地更新笔记 + sqlNote = new SqlNote(mContext, c); + sqlNote.setContent(node.getLocalJSONFromContent()); + // 获取父节点的 GID 对应的本地 ID + 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"); + } + // 设置父节点 ID + sqlNote.setParentId(parentId.longValue()); + sqlNote.commit(true); + // 更新元数据信息 + updateRemoteMeta(node.getGid(), sqlNote); +} + + +// 远程添加节点的方法 +private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + SqlNote sqlNote = new SqlNote(mContext, c); + Node n; + // 远程更新 + if (sqlNote.isNoteType()) { + Task task = new Task(); + // 设置任务的内容 + task.setContentByLocalJSON(sqlNote.getContent()); + // 获取父任务列表的 GID + 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"); + } + // 将任务添加到父任务列表中 + mGTaskListHashMap.get(parentGid).addChildTask(task); + // 调用 GTaskClient 的 createTask 方法创建任务 + GTaskClient.getInstance().createTask(task); + n = (Node) task; + // 添加元数据 + updateRemoteMeta(task.getGid(), sqlNote); + } else { + TaskList tasklist = null; + // 构建文件夹名称 + 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(); + // 遍历任务列表的 HashMap，查找是否已存在该文件夹 + 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; + } + } + // 如果不存在，创建新的任务列表 + if (tasklist == null) { + tasklist = new TaskList(); + tasklist.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().createTaskList(tasklist); + mGTaskListHashMap.put(tasklist.getGid(), tasklist); + } + n = (Node) tasklist; + } + // 更新本地笔记 + sqlNote.setGtaskId(n.getGid()); + sqlNote.commit(false); + sqlNote.resetLocalModified(); + sqlNote.commit(true); + // 更新 GID 到 NID 的映射和 NID 到 GID 的映射 + mGidToNid.put(n.getGid(), sqlNote.getId()); + mNidToGid.put(sqlNote.getId(), n.getGid()); +} + + +// 远程更新节点的方法 +private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException { + if (mCancelled) { + return; + } + SqlNote sqlNote = new SqlNote(mContext, c); + // 远程更新 + node.setContentByLocalJSON(sqlNote.getContent()); + GTaskClient.getInstance().addUpdateNode(node); + // 更新元数据 + updateRemoteMeta(node.getGid(), sqlNote); + // 如果是任务，可能需要移动任务 + if (sqlNote.isNoteType()) { + Task task = (Task) node; + TaskList preParentList = task.getParent(); + // 获取当前父任务列表的 GID + 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) { + // 移除任务从原父任务列表，并添加到新父任务列表 + preParentList.removeChildTask(task); + curParentList.addChildTask(task); + // 调用 GTaskClient 的 moveTask 方法移动任务 + GTaskClient.getInstance().moveTask(task, preParentList, curParentList); + } + } + // 清除本地修改标志 + sqlNote.resetLocalModified(); + sqlNote.commit(true); +} + + +// 更新远程元数据的方法 +private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException { + if (sqlNote!= null && sqlNote.isNoteType()) { + MetaData metaData = mMetaHashMap.get(gid); + if (metaData!= null) { + // 更新元数据 + 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 +private void refreshLocalSyncId() throws NetworkFailureException { + if (mCancelled) { + return; + } + // 获取最新的 GTask 列表 + mGTaskHashMap.clear(); + mGTaskListHashMap.clear(); + mMetaHashMap.clear(); + initGTaskList(); + Cursor c = null; + try { + // 查询本地笔记 + 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(); + // 更新同步 ID + 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; + } + } +} + + +// 获取同步账户的方法 +public String getSyncAccount() { + return GTaskClient.getInstance().getSyncAccount().name; +} + + +// 取消同步的方法 +public void cancelSync() { + mCancelled = true; +} \ No newline at end of file diff --git a/src/gtask/remote/GTaskSyncService.java b/src/gtask/remote/GTaskSyncService.java new file mode 100644 index 0000000..7157c52 --- /dev/null +++ b/src/gtask/remote/GTaskSyncService.java @@ -0,0 +1,155 @@ +/* + * 版权信息： + * Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net) + * 遵循 Apache License, Version 2.0 许可证 + * http://www.apache.org/licenses/LICENSE-2.0 + */ + +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 类，用于实现 GTask 的同步服务 +public class GTaskSyncService extends Service { + // 定义同步操作类型的字符串名称 + public final static String ACTION_STRING_NAME = "sync_action_type"; + // 开始同步操作的常量 + public final static int ACTION_START_SYNC = 0; + // 取消同步操作的常量 + public final static int ACTION_CANCEL_SYNC = 1; + // 无效操作的常量 + public final static int ACTION_INVALID = 2; + // 服务广播的名称 + 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同步的键 + public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing"; + // 广播中表示同步进度消息的键 + public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg"; + + + // 存储同步任务的静态变量 + private static GTaskASyncTask mSyncTask = null; + // 存储同步进度消息的静态变量 + private static String mSyncProgress = ""; + + + // 开始同步的方法 + private void startSync() { + // 如果同步任务为空，则创建一个新的同步任务 + if (mSyncTask == null) { + mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() { + // 同步任务完成后的回调方法 + public void onComplete() { + mSyncTask = null; + sendBroadcast(""); + stopSelf(); + } + }); + sendBroadcast(""); + // 执行同步任务 + mSyncTask.execute(); + } + } + + + // 取消同步的方法 + private void cancelSync() { + // 如果同步任务不为空，则取消同步任务 + if (mSyncTask!= null) { + mSyncTask.cancelSync(); + } + } + + + // 服务创建时调用的方法 + @Override + public void onCreate() { + mSyncTask = null; + } + + + // 服务启动时调用的方法，根据传入的意图执行不同的操作 + @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)) { + // 开始同步操作 + case ACTION_START_SYNC: + startSync(); + break; + // 取消同步操作 + case ACTION_CANCEL_SYNC: + cancelSync(); + break; + default: + break; + } + // 服务被杀死后会自动重启 + return START_STICKY; + } + // 调用父类的 onStartCommand 方法 + return super.onStartCommand(intent, flags, startId); + } + + + // 内存不足时调用的方法，如果有同步任务则取消同步任务 + @Override + public void onLowMemory() { + if (mSyncTask!= null) { + mSyncTask.cancelSync(); + } + } + + + // 服务绑定方法，返回 null 表示不支持绑定 + @Override + public IBinder onBind(Intent intent) { + return null; + } + + + // 发送广播的方法 + 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，开始同步操作，设置活动上下文并启动服务 + public static void startSync(Activity activity) { + GTaskManager.getInstance().setActivityContext(activity); + Intent intent = new Intent(activity, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC); + activity.startService(intent); + } + + + // 静态方法，取消同步操作，发送取消同步的意图并启动服务 + public static void cancelSync(Context context) { + Intent intent = new Intent(context, GTaskSyncService.class); + intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC); + context.startService(intent); + } + + + // 静态方法，检查是否正在同步 + public static boolean isSyncing() { + return mSyncTask!= null; + } + + + // 静态方法，获取同步进度字符串 + public static String getProgressString() { + return mSyncProgress; + } +} \ No newline at end of file