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@ -47,20 +47,21 @@ import java.util.HashSet;
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import java.util.Iterator;
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import java.util.Map;
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/* ↓ RainFo-何奕霖代码阅读(第567-1363行)(标记为R)↓ */
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public class GTaskManager {
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//R: 创建一个用于显示提示信息的TAG提示段
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private static final String TAG = GTaskManager.class.getSimpleName();
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//R: 创建一个显示同步成功的常量,用于返回给调用者
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public static final int STATE_SUCCESS = 0;
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//R: 创建一个显示网络连接失败的常量,用于返回给调用者
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public static final int STATE_NETWORK_ERROR = 1;
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//R: 创建一个显示内部错误常量,用于返回给调用者
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public static final int STATE_INTERNAL_ERROR = 2;
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//R: 创建一个显示同步正在进行的常量,用于返回给调用者
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public static final int STATE_SYNC_IN_PROGRESS = 3;
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//R: 创建一个显示同步被取消的常量,用于返回给调用者
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public static final int STATE_SYNC_CANCELLED = 4;
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//R: 创建一个同步机制下检查多重实例的常量,用于返回给调用者
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private static GTaskManager mInstance = null;
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private Activity mActivity;
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@ -88,6 +89,7 @@ public class GTaskManager {
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private HashMap<Long, String> mNidToGid;
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private GTaskManager() {
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//R: 初始化上述创建的成员变量
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mSyncing = false;
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mCancelled = false;
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mGTaskListHashMap = new HashMap<String, TaskList>();
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@ -98,24 +100,26 @@ public class GTaskManager {
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mGidToNid = new HashMap<String, Long>();
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mNidToGid = new HashMap<Long, String>();
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}
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//R:检查同步机制下是否只有一个实例
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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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}
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return mInstance;
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}
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//R:设置同步机制下,用于同步数据的Activity
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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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//R:一个用于同步数据的函数
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public int sync(Context context, GTaskASyncTask asyncTask) {
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//R:检查同步机制下,是否已经有一个实例在运行
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if (mSyncing) {
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Log.d(TAG, "Sync is in progress");
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return STATE_SYNC_IN_PROGRESS;
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}
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//R:初始化上下文和内容解析器,并设置同步标志为真
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mContext = context;
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mContentResolver = mContext.getContentResolver();
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mSyncing = true;
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@ -130,21 +134,22 @@ public class GTaskManager {
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try {
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GTaskClient client = GTaskClient.getInstance();
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client.resetUpdateArray();
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//R:尝试登陆谷歌服务
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// login google task
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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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//R:获取谷歌任务的列表
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// get the task list from google
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asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
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initGTaskList();
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//R:获取谷歌任务列表并发布进度信息
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// do content sync work
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asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
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syncContent();
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//R:捕获错误并返回对应标志值
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} catch (NetworkFailureException e) {
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Log.e(TAG, e.toString());
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return STATE_NETWORK_ERROR;
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@ -156,6 +161,7 @@ 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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//R:最后清除临时变量
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mGTaskListHashMap.clear();
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mGTaskHashMap.clear();
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mMetaHashMap.clear();
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@ -164,29 +170,31 @@ public class GTaskManager {
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mNidToGid.clear();
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mSyncing = false;
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}
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//R:返回同步状态
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return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
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}
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//R:用于初始化谷歌任务列表的函数
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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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//R:获取谷歌任务列表JSON数据
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JSONArray jsTaskLists = client.getTaskLists();
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//R:初始化元数据列表 (mMetaList),处理每个任务列表项
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// init meta list first
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mMetaList = null;
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for (int i = 0; i < jsTaskLists.length(); i++) {
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//R:遍历以获取JSON数据
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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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//R:如果任务列表名称为[MIUI_Notes]METADATA,则创建一个元数据列表并加载它
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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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//加载该列表下的所有元数据条目,并存储在mMetaList和mMetaHashMap中
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// load meta data
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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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@ -202,7 +210,7 @@ public class GTaskManager {
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}
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}
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}
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//R:如果元数据列表不存在,则创建一个新列表并存储在服务器上
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// create meta list if not existed
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if (mMetaList == null) {
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mMetaList = new TaskList();
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@ -210,13 +218,13 @@ public class GTaskManager {
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+ GTaskStringUtils.FOLDER_META);
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GTaskClient.getInstance().createTaskList(mMetaList);
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}
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//R:初始化其他的任务列表,处理每个任务列表项
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// init task list
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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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//R:如果任务列表名称以[MIUI_Notes]开头,并且不是METADATA,则创建一个任务列表对象,并将其添加到mGTaskListHashMap和mGTaskHashMap中
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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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@ -224,7 +232,7 @@ public class GTaskManager {
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tasklist.setContentByRemoteJSON(object);
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mGTaskListHashMap.put(gid, tasklist);
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mGTaskHashMap.put(gid, tasklist);
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//R:加载该列表下的所有任务,并将其添加到任务列表对象中(需要确定是否WorthSaving)
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// load tasks
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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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@ -232,6 +240,7 @@ public class GTaskManager {
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gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
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Task task = new Task();
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task.setContentByRemoteJSON(object);
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//R:如果任务WorthSaving,则将其添加到任务列表对象中
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if (task.isWorthSaving()) {
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task.setMetaInfo(mMetaHashMap.get(gid));
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tasklist.addChildTask(task);
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@ -240,46 +249,52 @@ public class GTaskManager {
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}
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}
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}
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//R:捕获错误
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} catch (JSONException e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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throw new ActionFailureException("initGTaskList: handing JSONObject failed");
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}
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}
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//R:一个比较核心的函数,用于同步线上线下的笔记内容
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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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String gid;
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Node node;
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//R:将本地不需要的笔记删除记录清空
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mLocalDeleteIdMap.clear();
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if (mCancelled) {
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return;
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}
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//R:查询并同步不在回收站中的本地删除笔记
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// for local deleted note
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try {
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//R:查询数据库中类型不是系统类型且父级ID不是回收站ID的笔记
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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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String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
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}, null);
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//R:遍历查询结果
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if (c != null) {
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while (c.moveToNext()) {
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gid = c.getString(SqlNote.GTASK_ID_COLUMN);
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node = mGTaskHashMap.get(gid);
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if (node != null) {
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//R:如果笔记存在于mGTaskHashMap中,则将其从mGTaskHashMap中移除并同步删除
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mGTaskHashMap.remove(gid);
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doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
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}
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//R:将笔记ID添加到mLocalDeleteIdMap中
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mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
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}
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} else {
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//R:打印警告
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Log.w(TAG, "failed to query trash folder");
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}
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} finally {
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//R:关闭游标
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if (c != null) {
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c.close();
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c = null;
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@ -288,7 +303,7 @@ public class GTaskManager {
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// sync folder first
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syncFolder();
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//R:查询并同步数据库中存在的笔记
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// for note existing in database
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try {
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c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
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@ -300,15 +315,18 @@ public class GTaskManager {
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gid = c.getString(SqlNote.GTASK_ID_COLUMN);
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node = mGTaskHashMap.get(gid);
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if (node != null) {
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//R:如果笔记存在于mGTaskHashMap中,则将其从mGTaskHashMap中移除并同步更新
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mGTaskHashMap.remove(gid);
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mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
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mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
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syncType = node.getSyncAction(c);
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} else {
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//R:如果笔记不存在于mGTaskHashMap中,则判断笔记是否为本地添加
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if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
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// local add
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syncType = Node.SYNC_ACTION_ADD_REMOTE;
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} else {
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//R:如果笔记没有远程id,则判断笔记为远程删除,设置同步动作为本地删除
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// remote delete
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syncType = Node.SYNC_ACTION_DEL_LOCAL;
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}
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@ -325,7 +343,7 @@ public class GTaskManager {
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c = null;
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}
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}
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//R:遍历剩余的笔记,执行本地添加操作
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// go through remaining items
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Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
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while (iter.hasNext()) {
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@ -333,7 +351,7 @@ public class GTaskManager {
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node = entry.getValue();
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doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
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}
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//R:如果同步未取消,则删除本地删除笔记
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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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@ -350,7 +368,7 @@ public class GTaskManager {
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}
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}
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//R:该函数用于同步便签系统文件夹信息
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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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@ -360,7 +378,7 @@ public class GTaskManager {
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|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:查询数据库中的根文件夹信息,并与远程服务器同步更新或添加
|
|
|
|
|
// for root folder
|
|
|
|
|
try {
|
|
|
|
|
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
|
|
|
|
|
@ -370,10 +388,12 @@ public class GTaskManager {
|
|
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
|
|
if (node != null) {
|
|
|
|
|
//R:如果根文件夹存在于mGTaskHashMap中,则将其从mGTaskHashMap中移除并同步更新
|
|
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
|
|
mGidToNid.put(gid, (long) Notes.ID_ROOT_FOLDER);
|
|
|
|
|
mNidToGid.put((long) Notes.ID_ROOT_FOLDER, gid);
|
|
|
|
|
// for system folder, only update remote name if necessary
|
|
|
|
|
//R:同步更新远程文件夹名称
|
|
|
|
|
if (!node.getName().equals(
|
|
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
|
|
|
|
|
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
|
|
|
|
|
@ -389,7 +409,7 @@ public class GTaskManager {
|
|
|
|
|
c = null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:查询数据库中呼叫记录文件夹信息,并与远程服务器同步更新或添加
|
|
|
|
|
// for call-note folder
|
|
|
|
|
try {
|
|
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
|
|
|
|
|
@ -398,6 +418,7 @@ public class GTaskManager {
|
|
|
|
|
}, null);
|
|
|
|
|
if (c != null) {
|
|
|
|
|
if (c.moveToNext()) {
|
|
|
|
|
//R:如果呼叫记录文件夹存在于数据库中,则将其从mGTaskHashMap中移除并同步更新
|
|
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
|
|
if (node != null) {
|
|
|
|
|
@ -406,6 +427,7 @@ public class GTaskManager {
|
|
|
|
|
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
|
|
|
|
|
// for system folder, only update remote name if
|
|
|
|
|
// necessary
|
|
|
|
|
//R:同步更新远程文件夹名称
|
|
|
|
|
if (!node.getName().equals(
|
|
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX
|
|
|
|
|
+ GTaskStringUtils.FOLDER_CALL_NOTE))
|
|
|
|
|
@ -423,7 +445,7 @@ public class GTaskManager {
|
|
|
|
|
c = null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:查询数据库中其他文件夹信息,并与远程服务器同步更新或添加
|
|
|
|
|
// for local existing folders
|
|
|
|
|
try {
|
|
|
|
|
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
|
|
|
|
|
@ -431,15 +453,18 @@ public class GTaskManager {
|
|
|
|
|
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
|
|
|
|
|
}, NoteColumns.TYPE + " DESC");
|
|
|
|
|
if (c != null) {
|
|
|
|
|
//R:遍历数据库中的文件夹,执行同步操作
|
|
|
|
|
while (c.moveToNext()) {
|
|
|
|
|
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
|
|
node = mGTaskHashMap.get(gid);
|
|
|
|
|
if (node != null) {
|
|
|
|
|
//R:如果文件夹存在于mGTaskHashMap中,则将其从mGTaskHashMap中移除并同步更新
|
|
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
|
|
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
|
|
|
|
|
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
|
|
|
|
|
syncType = node.getSyncAction(c);
|
|
|
|
|
} else {
|
|
|
|
|
//R:如果文件夹不存在于mGTaskHashMap中,则判断是否为远程删除
|
|
|
|
|
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
|
|
|
|
|
// local add
|
|
|
|
|
syncType = Node.SYNC_ACTION_ADD_REMOTE;
|
|
|
|
|
@ -459,10 +484,11 @@ public class GTaskManager {
|
|
|
|
|
c = null;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:遍历远程服务器中不存在的文件夹,执行同步操作
|
|
|
|
|
// for remote add folders
|
|
|
|
|
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
|
|
|
|
|
while (iter.hasNext()) {
|
|
|
|
|
//R:遍历mGTaskListHashMap,判断是否为远程文件夹
|
|
|
|
|
Map.Entry<String, TaskList> entry = iter.next();
|
|
|
|
|
gid = entry.getKey();
|
|
|
|
|
node = entry.getValue();
|
|
|
|
|
@ -475,45 +501,55 @@ public class GTaskManager {
|
|
|
|
|
if (!mCancelled)
|
|
|
|
|
GTaskClient.getInstance().commitUpdate();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:该函数用于同步本地数据库与远程服务器之间的内容差距
|
|
|
|
|
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:根据传入的syncType,执行相应的同步操作
|
|
|
|
|
MetaData meta;
|
|
|
|
|
switch (syncType) {
|
|
|
|
|
//R:添加本地节点
|
|
|
|
|
case Node.SYNC_ACTION_ADD_LOCAL:
|
|
|
|
|
addLocalNode(node);
|
|
|
|
|
break;
|
|
|
|
|
//R:添加远程节点
|
|
|
|
|
case Node.SYNC_ACTION_ADD_REMOTE:
|
|
|
|
|
addRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
//R:更新本地节点
|
|
|
|
|
case Node.SYNC_ACTION_DEL_LOCAL:
|
|
|
|
|
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
|
|
|
|
|
//R:如果节点存在,则删除该节点
|
|
|
|
|
if (meta != null) {
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
|
|
}
|
|
|
|
|
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
|
|
|
|
|
break;
|
|
|
|
|
//R:删除远程节点
|
|
|
|
|
case Node.SYNC_ACTION_DEL_REMOTE:
|
|
|
|
|
meta = mMetaHashMap.get(node.getGid());
|
|
|
|
|
//R:如果节点存在,则删除该节点
|
|
|
|
|
if (meta != null) {
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
|
|
}
|
|
|
|
|
GTaskClient.getInstance().deleteNode(node);
|
|
|
|
|
break;
|
|
|
|
|
//R:更新本地节点
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_LOCAL:
|
|
|
|
|
updateLocalNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
//R:更新远程节点
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_REMOTE:
|
|
|
|
|
updateRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
//R:更新冲突节点
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_CONFLICT:
|
|
|
|
|
// merging both modifications maybe a good idea
|
|
|
|
|
// right now just use local update simply
|
|
|
|
|
updateRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
//R:其他情况
|
|
|
|
|
case Node.SYNC_ACTION_NONE:
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_ERROR:
|
|
|
|
|
@ -521,29 +557,34 @@ public class GTaskManager {
|
|
|
|
|
throw new ActionFailureException("unkown sync action type");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:该函数用于将一个Node对象添加到本地数据库,并更新相关元数据
|
|
|
|
|
private void addLocalNode(Node node) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:如果节点为TaskList,则创建一个默认的根目录,否则创建一个新节点
|
|
|
|
|
SqlNote sqlNote;
|
|
|
|
|
if (node instanceof TaskList) {
|
|
|
|
|
//R:如果节点为默认根目录,则创建一个默认的根目录,否则创建一个新节点
|
|
|
|
|
if (node.getName().equals(
|
|
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
|
|
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
|
|
|
|
|
//R:设置节点的ID为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);
|
|
|
|
|
//R:设置节点的ID为Notes.ID_CALL_RECORD_FOLDER
|
|
|
|
|
} else {
|
|
|
|
|
sqlNote = new SqlNote(mContext);
|
|
|
|
|
sqlNote.setContent(node.getLocalJSONFromContent());
|
|
|
|
|
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
|
|
|
|
|
}
|
|
|
|
|
//R:将节点添加到本地数据库
|
|
|
|
|
} else {
|
|
|
|
|
sqlNote = new SqlNote(mContext);
|
|
|
|
|
JSONObject js = node.getLocalJSONFromContent();
|
|
|
|
|
try {
|
|
|
|
|
//R:如果节点为Note,则判断是否为默认笔记,否则创建一个新节点
|
|
|
|
|
if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
|
|
|
|
|
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
|
|
|
|
|
if (note.has(NoteColumns.ID)) {
|
|
|
|
|
@ -554,12 +595,13 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:如果节点为Data,则判断是否为默认数据,否则创建一个新节点
|
|
|
|
|
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)) {
|
|
|
|
|
//R:如果数据ID存在,则判断是否在数据表中存在,如果不存在,则创建一个新数据ID
|
|
|
|
|
long dataId = data.getLong(DataColumns.ID);
|
|
|
|
|
if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
|
|
|
|
|
// the data id is not available, have to create
|
|
|
|
|
@ -570,12 +612,14 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
}
|
|
|
|
|
//R:捕获错误
|
|
|
|
|
} catch (JSONException e) {
|
|
|
|
|
Log.w(TAG, e.toString());
|
|
|
|
|
e.printStackTrace();
|
|
|
|
|
}
|
|
|
|
|
//R:设置节点内容
|
|
|
|
|
sqlNote.setContent(js);
|
|
|
|
|
|
|
|
|
|
//R:设置节点的父ID
|
|
|
|
|
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
|
|
|
|
|
if (parentId == null) {
|
|
|
|
|
Log.e(TAG, "cannot find task's parent id locally");
|
|
|
|
|
@ -583,62 +627,63 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
sqlNote.setParentId(parentId.longValue());
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:提交节点
|
|
|
|
|
// create the local node
|
|
|
|
|
sqlNote.setGtaskId(node.getGid());
|
|
|
|
|
sqlNote.commit(false);
|
|
|
|
|
|
|
|
|
|
//R:更新本地节点
|
|
|
|
|
// update gid-nid mapping
|
|
|
|
|
mGidToNid.put(node.getGid(), sqlNote.getId());
|
|
|
|
|
mNidToGid.put(sqlNote.getId(), node.getGid());
|
|
|
|
|
|
|
|
|
|
//R:提交节点
|
|
|
|
|
// update meta
|
|
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:该函数用于更新本地节点
|
|
|
|
|
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:如果节点为TaskList,则创建一个默认的根目录,否则创建一个新节点
|
|
|
|
|
SqlNote sqlNote;
|
|
|
|
|
// update the note locally
|
|
|
|
|
sqlNote = new SqlNote(mContext, c);
|
|
|
|
|
sqlNote.setContent(node.getLocalJSONFromContent());
|
|
|
|
|
|
|
|
|
|
//R:设置节点的父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");
|
|
|
|
|
}
|
|
|
|
|
//R:提交节点
|
|
|
|
|
sqlNote.setParentId(parentId.longValue());
|
|
|
|
|
sqlNote.commit(true);
|
|
|
|
|
|
|
|
|
|
// update meta info
|
|
|
|
|
updateRemoteMeta(node.getGid(), sqlNote);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:该函数用于添加远程节点
|
|
|
|
|
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
//R:如果节点为TaskList,则创建一个默认的根目录,否则创建一个新节点
|
|
|
|
|
SqlNote sqlNote = new SqlNote(mContext, c);
|
|
|
|
|
Node n;
|
|
|
|
|
|
|
|
|
|
//R:如果节点为Note,则判断是否为默认笔记,否则创建一个新节点
|
|
|
|
|
// update remotely
|
|
|
|
|
if (sqlNote.isNoteType()) {
|
|
|
|
|
Task task = new Task();
|
|
|
|
|
task.setContentByLocalJSON(sqlNote.getContent());
|
|
|
|
|
|
|
|
|
|
//R:将节点添加到任务列表中
|
|
|
|
|
String parentGid = mNidToGid.get(sqlNote.getParentId());
|
|
|
|
|
if (parentGid == null) {
|
|
|
|
|
Log.e(TAG, "cannot find task's parent tasklist");
|
|
|
|
|
throw new ActionFailureException("cannot add remote task");
|
|
|
|
|
}
|
|
|
|
|
mGTaskListHashMap.get(parentGid).addChildTask(task);
|
|
|
|
|
|
|
|
|
|
//R:创建一个新任务
|
|
|
|
|
GTaskClient.getInstance().createTask(task);
|
|
|
|
|
n = (Node) task;
|
|
|
|
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@ -646,7 +691,7 @@ public class GTaskManager {
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updateRemoteMeta(task.getGid(), sqlNote);
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} else {
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TaskList tasklist = null;
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//R:如果节点为Data,则判断是否为默认数据,否则创建一个新节点
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// we need to skip folder if it has already existed
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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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@ -655,22 +700,24 @@ public class GTaskManager {
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folderName += GTaskStringUtils.FOLDER_CALL_NOTE;
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else
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folderName += sqlNote.getSnippet();
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//R:遍历任务列表
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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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String gid = entry.getKey();
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TaskList list = entry.getValue();
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//R:如果任务列表名称与默认名称相同,则跳过
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if (list.getName().equals(folderName)) {
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tasklist = list;
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//R:删除任务列表
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if (mGTaskHashMap.containsKey(gid)) {
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mGTaskHashMap.remove(gid);
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}
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break;
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}
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}
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//R:如果任务列表为空,则创建一个新任务列表
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// no match we can add now
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if (tasklist == null) {
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tasklist = new TaskList();
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@ -680,7 +727,7 @@ public class GTaskManager {
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}
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n = (Node) tasklist;
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}
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//R:提交节点并更新本地笔记
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// update local note
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sqlNote.setGtaskId(n.getGid());
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sqlNote.commit(false);
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@ -691,18 +738,18 @@ public class GTaskManager {
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mGidToNid.put(n.getGid(), sqlNote.getId());
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mNidToGid.put(sqlNote.getId(), n.getGid());
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}
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//R:该函数用于更新远程节点
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private void updateRemoteNode(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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//R:创建一个新节点
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SqlNote sqlNote = new SqlNote(mContext, c);
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// update remotely
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node.setContentByLocalJSON(sqlNote.getContent());
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GTaskClient.getInstance().addUpdateNode(node);
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//R:提交节点
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// update meta
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updateRemoteMeta(node.getGid(), sqlNote);
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@ -710,33 +757,36 @@ public class GTaskManager {
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if (sqlNote.isNoteType()) {
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Task task = (Task) node;
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TaskList preParentList = task.getParent();
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//R:获取当前父节点
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String curParentGid = mNidToGid.get(sqlNote.getParentId());
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if (curParentGid == null) {
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//R:如果找不到父节点,则抛出异常
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Log.e(TAG, "cannot find task's parent tasklist");
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throw new ActionFailureException("cannot update remote task");
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}
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TaskList curParentList = mGTaskListHashMap.get(curParentGid);
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//R:如果父节点发生变化,则移动任务
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if (preParentList != curParentList) {
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preParentList.removeChildTask(task);
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curParentList.addChildTask(task);
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GTaskClient.getInstance().moveTask(task, preParentList, curParentList);
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}
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}
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//R:提交节点
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// clear local modified flag
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sqlNote.resetLocalModified();
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sqlNote.commit(true);
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}
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//R:该函数用于更新远程元数据
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private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
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if (sqlNote != null && sqlNote.isNoteType()) {
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MetaData metaData = mMetaHashMap.get(gid);
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//R:如果元数据不为空,则更新元数据,否则创建一个新元数据
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if (metaData != null) {
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metaData.setMeta(gid, sqlNote.getContent());
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GTaskClient.getInstance().addUpdateNode(metaData);
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} else {
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//R:如果为空,创建一个新元数据
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metaData = new MetaData();
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metaData.setMeta(gid, sqlNote.getContent());
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mMetaList.addChildTask(metaData);
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@ -745,12 +795,12 @@ public class GTaskManager {
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}
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}
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}
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//R:该函数用于刷新本地同步ID
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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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//R:清空所有哈希表
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// get the latest gtask list
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mGTaskHashMap.clear();
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mGTaskListHashMap.clear();
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@ -759,21 +809,25 @@ public class GTaskManager {
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Cursor c = null;
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try {
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//R:查询所有笔记
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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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String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
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}, NoteColumns.TYPE + " DESC");
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if (c != null) {
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while (c.moveToNext()) {
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//R:获取笔记的GID
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String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
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Node node = mGTaskHashMap.get(gid);
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if (node != null) {
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//R:如果存在,则删除,并更新本地笔记
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mGTaskHashMap.remove(gid);
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ContentValues values = new ContentValues();
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values.put(NoteColumns.SYNC_ID, node.getLastModified());
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mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
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c.getLong(SqlNote.ID_COLUMN)), values, null, null);
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} else {
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//R:如果找不到,抛出异常
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Log.e(TAG, "something is missed");
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throw new ActionFailureException(
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"some local items don't have gid after sync");
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@ -789,12 +843,13 @@ public class GTaskManager {
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}
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}
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}
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//R:该函数用于同步账号内容
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public String getSyncAccount() {
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return GTaskClient.getInstance().getSyncAccount().name;
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}
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//R:该函数用于取消同步,通过设置好的标志位mCancelled来决定引用该函数的线程是否继续执行
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public void cancelSync() {
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mCancelled = true;
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}
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/* ↑ RainFo-何奕霖代码阅读(第567-1363行)(标记为R)↑ */
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}
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