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@ -47,46 +47,55 @@ import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* GTaskManager 类负责管理与 Google 任务的同步操作。
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* 它处理与 Google 任务服务的连接、数据的同步以及本地数据的更新。
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*/
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public class GTaskManager {
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private static final String TAG = GTaskManager.class.getSimpleName();
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// 同步成功状态码
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public static final int STATE_SUCCESS = 0;
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// 网络错误状态码
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public static final int STATE_NETWORK_ERROR = 1;
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// 内部错误状态码
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public static final int STATE_INTERNAL_ERROR = 2;
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// 同步进行中状态码
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public static final int STATE_SYNC_IN_PROGRESS = 3;
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// 同步取消状态码
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public static final int STATE_SYNC_CANCELLED = 4;
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// GTaskManager 的单例实例
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private static GTaskManager mInstance = null;
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// 用于获取认证令牌的 Activity
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private Activity mActivity;
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// 应用上下文
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private Context mContext;
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// 内容解析器,用于与 ContentProvider 交互
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private ContentResolver mContentResolver;
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// 标记同步是否正在进行
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private boolean mSyncing;
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// 标记同步是否被取消
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private boolean mCancelled;
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// 存储从 Google 获取的任务列表,键为任务列表的 GID
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private HashMap<String, TaskList> mGTaskListHashMap;
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// 存储从 Google 获取的所有任务和任务列表节点,键为节点的 GID
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private HashMap<String, Node> mGTaskHashMap;
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// 存储元数据,键为相关节点的 GID
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private HashMap<String, MetaData> mMetaHashMap;
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// 元数据任务列表
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private TaskList mMetaList;
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// 存储本地已删除笔记的 ID
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private HashSet<Long> mLocalDeleteIdMap;
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// 映射 Google 任务 ID (GID) 到本地笔记 ID (NID)
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private HashMap<String, Long> mGidToNid;
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// 映射本地笔记 ID (NID) 到 Google 任务 ID (GID)
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private HashMap<Long, String> mNidToGid;
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/**
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* 私有构造函数,确保单例模式
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*/
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private GTaskManager() {
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mSyncing = false;
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mCancelled = false;
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@ -99,6 +108,10 @@ public class GTaskManager {
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mNidToGid = new HashMap<Long, String>();
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}
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/**
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* 获取 GTaskManager 的单例实例
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* @return GTaskManager 的单例实例
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*/
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public static synchronized GTaskManager getInstance() {
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if (mInstance == null) {
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mInstance = new GTaskManager();
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@ -106,11 +119,21 @@ public class GTaskManager {
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return mInstance;
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}
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/**
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* 设置用于获取认证令牌的 Activity 上下文
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* @param activity 用于获取认证令牌的 Activity
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*/
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public synchronized void setActivityContext(Activity activity) {
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// used for getting authtoken
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mActivity = activity;
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}
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/**
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* 执行与 Google 任务的同步操作
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* @param context 应用上下文
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* @param asyncTask 异步任务,用于发布同步进度
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* @return 同步结果的状态码
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*/
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public int sync(Context context, GTaskASyncTask asyncTask) {
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if (mSyncing) {
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Log.d(TAG, "Sync is in progress");
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@ -120,6 +143,7 @@ public class GTaskManager {
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mContentResolver = mContext.getContentResolver();
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mSyncing = true;
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mCancelled = false;
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// 清空所有存储数据的集合
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mGTaskListHashMap.clear();
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mGTaskHashMap.clear();
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mMetaHashMap.clear();
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@ -131,18 +155,18 @@ public class GTaskManager {
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GTaskClient client = GTaskClient.getInstance();
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client.resetUpdateArray();
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// login google task
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// 登录 Google 任务服务
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if (!mCancelled) {
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if (!client.login(mActivity)) {
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throw new NetworkFailureException("login google task failed");
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}
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}
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// get the task list from google
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// 从 Google 获取任务列表
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asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
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initGTaskList();
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// do content sync work
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// 执行内容同步工作
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asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
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syncContent();
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} catch (NetworkFailureException e) {
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@ -156,6 +180,7 @@ public class GTaskManager {
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e.printStackTrace();
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return STATE_INTERNAL_ERROR;
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} finally {
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// 清空所有存储数据的集合
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mGTaskListHashMap.clear();
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mGTaskHashMap.clear();
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mMetaHashMap.clear();
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@ -168,26 +193,32 @@ public class GTaskManager {
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return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
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}
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/**
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* 初始化从 Google 获取的任务列表
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void initGTaskList() throws NetworkFailureException {
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if (mCancelled)
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return;
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GTaskClient client = GTaskClient.getInstance();
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try {
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// 获取 Google 任务列表的 JSON 数组
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JSONArray jsTaskLists = client.getTaskLists();
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// init meta list first
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// 首先初始化元数据列表
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mMetaList = null;
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for (int i = 0; i < jsTaskLists.length(); i++) {
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JSONObject object = jsTaskLists.getJSONObject(i);
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String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
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String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
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// 查找元数据任务列表
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if (name
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.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
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mMetaList = new TaskList();
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mMetaList.setContentByRemoteJSON(object);
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// load meta data
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// 加载元数据
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JSONArray jsMetas = client.getTaskList(gid);
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for (int j = 0; j < jsMetas.length(); j++) {
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object = (JSONObject) jsMetas.getJSONObject(j);
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@ -203,7 +234,7 @@ public class GTaskManager {
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}
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}
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// create meta list if not existed
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// 如果元数据列表不存在,则创建一个新的
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if (mMetaList == null) {
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mMetaList = new TaskList();
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mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
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@ -211,12 +242,13 @@ public class GTaskManager {
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GTaskClient.getInstance().createTaskList(mMetaList);
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}
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// init task list
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// 初始化任务列表
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for (int i = 0; i < jsTaskLists.length(); i++) {
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JSONObject object = jsTaskLists.getJSONObject(i);
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String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
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String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
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// 筛选出符合条件的任务列表
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if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
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&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
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+ GTaskStringUtils.FOLDER_META)) {
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@ -225,7 +257,7 @@ public class GTaskManager {
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mGTaskListHashMap.put(gid, tasklist);
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mGTaskHashMap.put(gid, tasklist);
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// load tasks
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// 加载任务列表中的任务
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JSONArray jsTasks = client.getTaskList(gid);
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for (int j = 0; j < jsTasks.length(); j++) {
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object = (JSONObject) jsTasks.getJSONObject(j);
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@ -247,6 +279,10 @@ public class GTaskManager {
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}
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}
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/**
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* 执行内容同步操作
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void syncContent() throws NetworkFailureException {
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int syncType;
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Cursor c = null;
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@ -259,7 +295,7 @@ public class GTaskManager {
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return;
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}
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// for local deleted note
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// 处理本地已删除的笔记
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try {
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
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"(type<>? AND parent_id=?)", new String[] {
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@ -286,10 +322,10 @@ public class GTaskManager {
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}
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}
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// sync folder first
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// 首先同步文件夹
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syncFolder();
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// for note existing in database
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// 处理数据库中已存在的笔记
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try {
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
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"(type=? AND parent_id<>?)", new String[] {
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@ -306,10 +342,10 @@ public class GTaskManager {
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syncType = node.getSyncAction(c);
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} else {
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if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
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// local add
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// 本地新增
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syncType = Node.SYNC_ACTION_ADD_REMOTE;
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} else {
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// remote delete
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// 远程删除
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syncType = Node.SYNC_ACTION_DEL_LOCAL;
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}
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}
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@ -326,7 +362,7 @@ public class GTaskManager {
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}
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}
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// go through remaining items
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// 处理剩余的未同步项
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Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
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while (iter.hasNext()) {
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Map.Entry<String, Node> entry = iter.next();
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@ -334,16 +370,14 @@ public class GTaskManager {
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doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
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}
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// mCancelled can be set by another thread, so we neet to check one by
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// one
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// clear local delete table
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// 清除本地删除表
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if (!mCancelled) {
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if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
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throw new ActionFailureException("failed to batch-delete local deleted notes");
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}
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}
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// refresh local sync id
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// 刷新本地同步 ID
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if (!mCancelled) {
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GTaskClient.getInstance().commitUpdate();
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refreshLocalSyncId();
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@ -351,6 +385,10 @@ public class GTaskManager {
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}
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/**
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* 同步文件夹
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void syncFolder() throws NetworkFailureException {
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Cursor c = null;
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String gid;
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@ -361,7 +399,7 @@ public class GTaskManager {
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return;
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}
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// for root folder
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// 处理根文件夹
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try {
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c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
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Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
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@ -373,7 +411,7 @@ public class GTaskManager {
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mGTaskHashMap.remove(gid);
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mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
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mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
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// for system folder, only update remote name if necessary
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// 对于系统文件夹,仅在必要时更新远程名称
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if (!node.getName().equals(
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GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
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doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
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@ -390,7 +428,7 @@ public class GTaskManager {
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}
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}
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// for call-note folder
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// 处理通话记录文件夹
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try {
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
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new String[] {
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@ -404,8 +442,7 @@ public class GTaskManager {
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mGTaskHashMap.remove(gid);
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mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
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mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
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// for system folder, only update remote name if
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// necessary
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// 对于系统文件夹,仅在必要时更新远程名称
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if (!node.getName().equals(
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GTaskStringUtils.MIUI_FOLDER_PREFFIX
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+ GTaskStringUtils.FOLDER_CALL_NOTE))
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@ -424,7 +461,7 @@ public class GTaskManager {
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}
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}
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// for local existing folders
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// 处理本地已存在的文件夹
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try {
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
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"(type=? AND parent_id<>?)", new String[] {
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@ -441,10 +478,10 @@ public class GTaskManager {
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syncType = node.getSyncAction(c);
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} else {
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if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
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// local add
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// 本地新增
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syncType = Node.SYNC_ACTION_ADD_REMOTE;
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} else {
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// remote delete
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// 远程删除
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syncType = Node.SYNC_ACTION_DEL_LOCAL;
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}
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}
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@ -460,7 +497,7 @@ public class GTaskManager {
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}
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}
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// for remote add folders
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// 处理远程新增的文件夹
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Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
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while (iter.hasNext()) {
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Map.Entry<String, TaskList> entry = iter.next();
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@ -476,6 +513,13 @@ public class GTaskManager {
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GTaskClient.getInstance().commitUpdate();
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}
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/**
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* 根据同步类型执行具体的内容同步操作
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* @param syncType 同步类型
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* @param node 要同步的节点
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* @param c 包含本地数据的游标
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
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if (mCancelled) {
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return;
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@ -484,12 +528,15 @@ public class GTaskManager {
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MetaData meta;
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switch (syncType) {
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case Node.SYNC_ACTION_ADD_LOCAL:
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// 向本地添加节点
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addLocalNode(node);
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break;
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case Node.SYNC_ACTION_ADD_REMOTE:
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// 向远程添加节点
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addRemoteNode(node, c);
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break;
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case Node.SYNC_ACTION_DEL_LOCAL:
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// 删除本地节点
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meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
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if (meta != null) {
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GTaskClient.getInstance().deleteNode(meta);
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@ -497,6 +544,7 @@ public class GTaskManager {
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mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
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break;
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case Node.SYNC_ACTION_DEL_REMOTE:
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// 删除远程节点
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meta = mMetaHashMap.get(node.getGid());
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if (meta != null) {
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GTaskClient.getInstance().deleteNode(meta);
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@ -504,17 +552,21 @@ public class GTaskManager {
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GTaskClient.getInstance().deleteNode(node);
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break;
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case Node.SYNC_ACTION_UPDATE_LOCAL:
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// 更新本地节点
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updateLocalNode(node, c);
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break;
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case Node.SYNC_ACTION_UPDATE_REMOTE:
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// 更新远程节点
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updateRemoteNode(node, c);
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break;
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case Node.SYNC_ACTION_UPDATE_CONFLICT:
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// 处理冲突,目前简单地使用本地更新
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// merging both modifications maybe a good idea
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// right now just use local update simply
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updateRemoteNode(node, c);
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break;
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case Node.SYNC_ACTION_NONE:
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// 无需同步
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break;
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case Node.SYNC_ACTION_ERROR:
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default:
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@ -522,6 +574,11 @@ public class GTaskManager {
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}
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}
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/**
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* 向本地添加节点
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* @param node 要添加的节点
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void addLocalNode(Node node) throws NetworkFailureException {
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if (mCancelled) {
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return;
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@ -531,16 +588,20 @@ public class GTaskManager {
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if (node instanceof TaskList) {
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if (node.getName().equals(
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GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
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// 根文件夹
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sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
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} else if (node.getName().equals(
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GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
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// 通话记录文件夹
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sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
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} else {
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// 其他文件夹
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sqlNote = new SqlNote(mContext);
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sqlNote.setContent(node.getLocalJSONFromContent());
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sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
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}
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} else {
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// 任务节点
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sqlNote = new SqlNote(mContext);
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JSONObject js = node.getLocalJSONFromContent();
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try {
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@ -549,7 +610,7 @@ public class GTaskManager {
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if (note.has(NoteColumns.ID)) {
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long id = note.getLong(NoteColumns.ID);
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if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
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// the id is not available, have to create a new one
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// 若 ID 已存在,则移除该 ID
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note.remove(NoteColumns.ID);
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}
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}
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@ -562,8 +623,7 @@ public class GTaskManager {
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if (data.has(DataColumns.ID)) {
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long dataId = data.getLong(DataColumns.ID);
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if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
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// the data id is not available, have to create
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// a new one
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// 若数据 ID 已存在,则移除该 ID
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data.remove(DataColumns.ID);
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}
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}
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@ -584,25 +644,31 @@ public class GTaskManager {
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sqlNote.setParentId(parentId.longValue());
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}
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// create the local node
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// 创建本地节点
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sqlNote.setGtaskId(node.getGid());
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sqlNote.commit(false);
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// update gid-nid mapping
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// 更新 GID-NID 映射
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mGidToNid.put(node.getGid(), sqlNote.getId());
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mNidToGid.put(sqlNote.getId(), node.getGid());
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// update meta
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// 更新元数据
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updateRemoteMeta(node.getGid(), sqlNote);
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}
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/**
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* 更新本地节点
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* @param node 要更新的节点
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* @param c 包含本地数据的游标
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
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if (mCancelled) {
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return;
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}
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SqlNote sqlNote;
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// update the note locally
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// 更新本地笔记
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sqlNote = new SqlNote(mContext, c);
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sqlNote.setContent(node.getLocalJSONFromContent());
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@ -615,10 +681,16 @@ public class GTaskManager {
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sqlNote.setParentId(parentId.longValue());
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sqlNote.commit(true);
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// update meta info
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// 更新元数据信息
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updateRemoteMeta(node.getGid(), sqlNote);
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}
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/**
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* 向远程添加节点
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|
* @param node 要添加的节点
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|
|
|
|
* @param c 包含本地数据的游标
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|
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
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if (mCancelled) {
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return;
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@ -627,7 +699,7 @@ public class GTaskManager {
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SqlNote sqlNote = new SqlNote(mContext, c);
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Node n;
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// update remotely
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// 远程更新
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if (sqlNote.isNoteType()) {
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Task task = new Task();
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task.setContentByLocalJSON(sqlNote.getContent());
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@ -642,12 +714,12 @@ public class GTaskManager {
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GTaskClient.getInstance().createTask(task);
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n = (Node) task;
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// add meta
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// 添加元数据
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updateRemoteMeta(task.getGid(), sqlNote);
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} else {
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TaskList tasklist = null;
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// we need to skip folder if it has already existed
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// 若文件夹已存在则跳过
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|
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String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
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if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
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folderName += GTaskStringUtils.FOLDER_DEFAULT;
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@ -671,7 +743,7 @@ public class GTaskManager {
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}
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}
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// no match we can add now
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|
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// 若未匹配到,则添加新的文件夹
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|
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if (tasklist == null) {
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|
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tasklist = new TaskList();
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|
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tasklist.setContentByLocalJSON(sqlNote.getContent());
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@ -681,17 +753,23 @@ public class GTaskManager {
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n = (Node) tasklist;
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}
|
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|
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// update local note
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|
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// 更新本地笔记
|
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|
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sqlNote.setGtaskId(n.getGid());
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|
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sqlNote.commit(false);
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|
|
sqlNote.resetLocalModified();
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|
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sqlNote.commit(true);
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|
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|
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// gid-id mapping
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|
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// 更新 GID-ID 映射
|
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|
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mGidToNid.put(n.getGid(), sqlNote.getId());
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|
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mNidToGid.put(sqlNote.getId(), n.getGid());
|
|
|
|
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}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 更新远程节点
|
|
|
|
|
* @param node 要更新的节点
|
|
|
|
|
* @param c 包含本地数据的游标
|
|
|
|
|
* @throws NetworkFailureException 当网络连接失败时抛出
|
|
|
|
|
*/
|
|
|
|
|
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
@ -699,14 +777,14 @@ public class GTaskManager {
|
|
|
|
|
|
|
|
|
|
SqlNote sqlNote = new SqlNote(mContext, c);
|
|
|
|
|
|
|
|
|
|
// update remotely
|
|
|
|
|
// 远程更新
|
|
|
|
|
node.setContentByLocalJSON(sqlNote.getContent());
|
|
|
|
|
GTaskClient.getInstance().addUpdateNode(node);
|
|
|
|
|
|
|
|
|
|
// update meta
|
|
|
|
|
// 更新元数据
|
|
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
|
|
|
|
|
|
|
// move task if necessary
|
|
|
|
|
// 必要时移动任务
|
|
|
|
|
if (sqlNote.isNoteType()) {
|
|
|
|
|
Task task = (Task) node;
|
|
|
|
|
TaskList preParentList = task.getParent();
|
|
|
|
|
@ -725,11 +803,17 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// clear local modified flag
|
|
|
|
|
// 清除本地修改标志
|
|
|
|
|
sqlNote.resetLocalModified();
|
|
|
|
|
sqlNote.commit(true);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* 更新远程元数据
|
|
|
|
|
* @param gid 节点的 GID
|
|
|
|
|
* @param sqlNote 本地笔记对象
|
|
|
|
|
* @throws NetworkFailureException 当网络连接失败时抛出
|
|
|
|
|
*/
|
|
|
|
|
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
|
|
|
|
|
if (sqlNote != null && sqlNote.isNoteType()) {
|
|
|
|
|
MetaData metaData = mMetaHashMap.get(gid);
|
|
|
|
|
@ -746,12 +830,16 @@ public class GTaskManager {
|
|
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}
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}
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/**
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* 刷新本地同步 ID
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* @throws NetworkFailureException 当网络连接失败时抛出
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*/
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private void refreshLocalSyncId() throws NetworkFailureException {
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if (mCancelled) {
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|
return;
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}
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|
// get the latest gtask list
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|
// 获取最新的 Google 任务列表
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|
mGTaskHashMap.clear();
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|
mGTaskListHashMap.clear();
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|
mMetaHashMap.clear();
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|
@ -790,11 +878,18 @@ public class GTaskManager {
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}
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}
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|
/**
|
|
|
|
|
* 获取同步账户名称
|
|
|
|
|
* @return 同步账户的名称
|
|
|
|
|
*/
|
|
|
|
|
public String getSyncAccount() {
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|
|
|
|
return GTaskClient.getInstance().getSyncAccount().name;
|
|
|
|
|
}
|
|
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|
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|
|
|
/**
|
|
|
|
|
* 取消同步操作
|
|
|
|
|
*/
|
|
|
|
|
public void cancelSync() {
|
|
|
|
|
mCancelled = true;
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|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|