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@ -50,41 +50,39 @@ import java.util.Map;
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public class GTaskManager {
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private static final String TAG = GTaskManager.class.getSimpleName();
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//定义了一些实例变量,如 mActivity、mContext、mContentResolver 等,以及一些数据结构,如 mGTaskListHashMap、mGTaskHashMap、mMetaHashMap 等,用于存储同步任务的相关信息。
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public static final int STATE_SUCCESS = 0;
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public static final int STATE_NETWORK_ERROR = 1;
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public static final int STATE_INTERNAL_ERROR = 2;
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public static final int STATE_SYNC_IN_PROGRESS = 3;
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public static final int STATE_SYNC_CANCELLED = 4;
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//GTaskManager 采用单例模式,使用 getInstance() 方法获取实例。
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private static GTaskManager mInstance = null;
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private Activity mActivity;
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private Activity mActivity; // 用于获取身份验证令牌
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private Context mContext;
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private ContentResolver mContentResolver;
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private boolean mSyncing;
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private boolean mCancelled;
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private boolean mSyncing; // 表示是否正在进行同步
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private boolean mCancelled; // 表示同步是否被取消
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// 存储 Google Tasks 列表的哈希映射
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private HashMap<String, TaskList> mGTaskListHashMap;
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// 存储 Google Tasks 节点(任务)的哈希映射
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private HashMap<String, Node> mGTaskHashMap;
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// 存储 Google Tasks 的元数据的哈希映射
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private HashMap<String, MetaData> mMetaHashMap;
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private TaskList mMetaList; // 元数据对应的任务列表
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private TaskList mMetaList;
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// 存储本地已删除的任务ID
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private HashSet<Long> mLocalDeleteIdMap;
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// 存储 Google Tasks ID 到本地 ID 的哈希映射
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private HashMap<String, Long> mGidToNid;
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// 存储本地 ID 到 Google Tasks ID 的哈希映射
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private HashMap<Long, String> mNidToGid;
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private GTaskManager() {
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@ -107,19 +105,22 @@ public class GTaskManager {
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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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// 同步方法,接收一个上下文对象和 GTaskASyncTask 对象
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public int sync(Context context, GTaskASyncTask asyncTask) {
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if (mSyncing) {
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if (mSyncing) { // 如果正在同步
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Log.d(TAG, "Sync is in progress");
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return STATE_SYNC_IN_PROGRESS;
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return STATE_SYNC_IN_PROGRESS; // 返回同步进行中的状态
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}
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mContext = context;
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mContentResolver = mContext.getContentResolver();
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mSyncing = true;
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mCancelled = false;
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mSyncing = true; // 表示同步开始
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mCancelled = false; // 同步未被取消
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// 清空所有的哈希映射和集合
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mGTaskListHashMap.clear();
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mGTaskHashMap.clear();
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mMetaHashMap.clear();
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@ -128,34 +129,36 @@ public class GTaskManager {
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mNidToGid.clear();
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try {
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// 获取Google任务客户端实例并重置更新数组
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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
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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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if (!client.login(mActivity)) { // 如果登录失败
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throw new NetworkFailureException("login google task failed"); // 抛出网络故障异常
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}
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}
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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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// 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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} catch (NetworkFailureException e) {
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Log.e(TAG, e.toString());
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return STATE_NETWORK_ERROR;
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} catch (ActionFailureException e) {
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Log.e(TAG, e.toString());
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return STATE_INTERNAL_ERROR;
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} catch (Exception e) {
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Log.e(TAG, e.toString());
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e.printStackTrace();
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return STATE_INTERNAL_ERROR;
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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)); // 发布任务进度到UI线程
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initGTaskList(); // 初始化Google任务列表
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// 同步内容
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asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing)); // 发布任务进度到UI线程
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syncContent(); // 同步内容
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} catch (NetworkFailureException e) { // 如果捕获到网络故障异常
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Log.e(TAG, e.toString()); // 记录异常信息
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return STATE_NETWORK_ERROR; // 返回状态码:网络故障
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} catch (ActionFailureException e) { // 如果捕获到操作失败异常
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Log.e(TAG, e.toString()); // 记录异常信息
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return STATE_INTERNAL_ERROR; // 返回状态码:内部错误
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} catch (Exception e) { // 如果捕获到其他异常
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Log.e(TAG, e.toString()); // 记录异常信息
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e.printStackTrace(); // 打印异常堆栈
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return STATE_INTERNAL_ERROR; // 返回状态码:内部错误
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} finally {
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// 清空任务列表HashMap、任务HashMap、元数据HashMap、本地删除ID映射、GID和NID映射,以及同步标记
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mGTaskListHashMap.clear();
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mGTaskHashMap.clear();
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mMetaHashMap.clear();
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@ -165,32 +168,33 @@ public class GTaskManager {
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mSyncing = false;
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}
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// 根据取消标记返回状态码
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return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
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}
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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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JSONArray jsTaskLists = client.getTaskLists();
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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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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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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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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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private void initGTaskList() throws NetworkFailureException {
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if (mCancelled) // 如果取消标记为true,则直接返回
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return;
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GTaskClient client = GTaskClient.getInstance();
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try {
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JSONArray jsTaskLists = client.getTaskLists(); // 获取任务列表
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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); // 获取任务列表的ID
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String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); // 获取任务列表的名称
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if (name
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.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) { // 如果任务列表名称为元数据列表名称
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mMetaList = new TaskList();
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mMetaList.setContentByRemoteJSON(object); // 根据JSON数据填充元数据列表
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// 加载元数据
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JSONArray jsMetas = client.getTaskList(gid); // 获取元数据列表
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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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MetaData metaData = new MetaData();
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metaData.setContentByRemoteJSON(object);
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if (metaData.isWorthSaving()) {
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@ -204,42 +208,43 @@ public class GTaskManager {
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}
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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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mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
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+ GTaskStringUtils.FOLDER_META);
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GTaskClient.getInstance().createTaskList(mMetaList);
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}
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// create meta list if not existed
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if (mMetaList == null) { // 如果元列表不存在
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mMetaList = new TaskList(); // 新建元列表
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mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
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+ GTaskStringUtils.FOLDER_META); // 设置元列表名称
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GTaskClient.getInstance().createTaskList(mMetaList); // 创建元列表
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}
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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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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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TaskList tasklist = new TaskList();
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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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// 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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object = (JSONObject) jsTasks.getJSONObject(j);
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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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if (task.isWorthSaving()) {
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task.setMetaInfo(mMetaHashMap.get(gid));
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tasklist.addChildTask(task);
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mGTaskHashMap.put(gid, task);
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// init task list
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for (int i = 0; i < jsTaskLists.length(); i++) { // 遍历任务列表
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JSONObject object = jsTaskLists.getJSONObject(i); // 获取任务列表对象
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String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); // 获取任务列表ID
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String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME); // 获取任务列表名称
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if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX) // 如果任务列表以指定前缀开头
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&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
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+ GTaskStringUtils.FOLDER_META)) { // 并且不是元列表
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TaskList tasklist = new TaskList(); // 新建任务列表
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tasklist.setContentByRemoteJSON(object); // 从远程JSON设置任务列表内容
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mGTaskListHashMap.put(gid, tasklist); // 将任务列表添加到哈希表中
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mGTaskHashMap.put(gid, tasklist); // 将任务列表添加到哈希表中
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// load tasks
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JSONArray jsTasks = client.getTaskList(gid); // 获取任务列表的任务
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for (int j = 0; j < jsTasks.length(); j++) { // 遍历任务
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object = (JSONObject) jsTasks.getJSONObject(j); // 获取任务对象
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gid = object.getString(GTaskStringUtils.GTASK_JSON_ID); // 获取任务ID
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Task task = new Task(); // 新建任务
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task.setContentByRemoteJSON(object); // 从远程JSON设置任务内容
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if (task.isWorthSaving()) { // 如果值得保存
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task.setMetaInfo(mMetaHashMap.get(gid)); // 设置任务的元信息
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tasklist.addChildTask(task); // 添加任务到任务列表中
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mGTaskHashMap.put(gid, task); // 将任务添加到哈希表中
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}
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}
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}
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}
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}
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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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@ -477,65 +482,65 @@ public class GTaskManager {
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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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if (mCancelled) { // 如果已经取消,则直接返回
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return;
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}
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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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MetaData meta; // 定义一个MetaData类型的变量
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switch (syncType) { // 根据syncType的值进行不同的操作
|
|
|
|
|
case Node.SYNC_ACTION_ADD_LOCAL: // 添加本地节点
|
|
|
|
|
addLocalNode(node);
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_ADD_REMOTE:
|
|
|
|
|
case Node.SYNC_ACTION_ADD_REMOTE: // 添加远程节点
|
|
|
|
|
addRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_DEL_LOCAL:
|
|
|
|
|
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
|
|
|
|
|
case Node.SYNC_ACTION_DEL_LOCAL: // 删除本地节点
|
|
|
|
|
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN)); // 获取该节点的meta数据
|
|
|
|
|
if (meta != null) {
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta); // 删除该节点的meta数据
|
|
|
|
|
}
|
|
|
|
|
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
|
|
|
|
|
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN)); // 添加该节点的ID到本地删除ID Map中
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_DEL_REMOTE:
|
|
|
|
|
meta = mMetaHashMap.get(node.getGid());
|
|
|
|
|
case Node.SYNC_ACTION_DEL_REMOTE: // 删除远程节点
|
|
|
|
|
meta = mMetaHashMap.get(node.getGid()); // 获取该节点的meta数据
|
|
|
|
|
if (meta != null) {
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta);
|
|
|
|
|
GTaskClient.getInstance().deleteNode(meta); // 删除该节点的meta数据
|
|
|
|
|
}
|
|
|
|
|
GTaskClient.getInstance().deleteNode(node);
|
|
|
|
|
GTaskClient.getInstance().deleteNode(node); // 删除该节点
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_LOCAL:
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_LOCAL: // 更新本地节点
|
|
|
|
|
updateLocalNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_REMOTE:
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_REMOTE: // 更新远程节点
|
|
|
|
|
updateRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_CONFLICT:
|
|
|
|
|
// merging both modifications maybe a good idea
|
|
|
|
|
// right now just use local update simply
|
|
|
|
|
case Node.SYNC_ACTION_UPDATE_CONFLICT: // 更新冲突节点
|
|
|
|
|
// 将两个修改合并可能是个好主意
|
|
|
|
|
// 现在只是简单地使用本地更新
|
|
|
|
|
updateRemoteNode(node, c);
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_NONE:
|
|
|
|
|
case Node.SYNC_ACTION_NONE: // 没有操作
|
|
|
|
|
break;
|
|
|
|
|
case Node.SYNC_ACTION_ERROR:
|
|
|
|
|
case Node.SYNC_ACTION_ERROR: // 操作错误
|
|
|
|
|
default:
|
|
|
|
|
throw new ActionFailureException("unkown sync action type");
|
|
|
|
|
throw new ActionFailureException("unkown sync action type"); // 抛出一个ActionFailureException异常
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void addLocalNode(Node node) throws NetworkFailureException {
|
|
|
|
|
if (mCancelled) {
|
|
|
|
|
private void addLocalNode(Node node) throws NetworkFailureException { // 添加本地节点
|
|
|
|
|
if (mCancelled) { // 如果已经取消,则直接返回
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
SqlNote sqlNote;
|
|
|
|
|
if (node instanceof TaskList) {
|
|
|
|
|
if (node.getName().equals(
|
|
|
|
|
SqlNote sqlNote; // 定义一个SqlNote类型的变量
|
|
|
|
|
if (node instanceof TaskList) { // 如果该节点是任务列表
|
|
|
|
|
if (node.getName().equals( // 如果该节点的名称为MIUI_FOLDER_PREFFIX + FOLDER_DEFAULT
|
|
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
|
|
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
|
|
|
|
|
} else if (node.getName().equals(
|
|
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER); // 创建一个根文件夹SqlNote
|
|
|
|
|
} else if (node.getName().equals( // 如果该节点的名称为MIUI_FOLDER_PREFFIX + FOLDER_CALL_NOTE
|
|
|
|
|
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_CALL_NOTE)) {
|
|
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER);
|
|
|
|
|
} else {
|
|
|
|
|
sqlNote = new SqlNote(mContext, Notes.ID_CALL_RECORD_FOLDER); // 创建一个通话记录文件夹SqlNote
|
|
|
|
|
} else { // 否则创建一个普通文件夹
|
|
|
|
|
sqlNote = new SqlNote(mContext);
|
|
|
|
|
sqlNote.setContent(node.getLocalJSONFromContent());
|
|
|
|
|
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
|
|
|
|
@ -731,16 +736,24 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
|
|
|
|
|
// 如果 SqlNote 是笔记类型的
|
|
|
|
|
if (sqlNote != null && sqlNote.isNoteType()) {
|
|
|
|
|
// 获取 gid 对应的 MetaData
|
|
|
|
|
MetaData metaData = mMetaHashMap.get(gid);
|
|
|
|
|
if (metaData != null) {
|
|
|
|
|
// 更新 metaData 中 gid 对应的 meta 值
|
|
|
|
|
metaData.setMeta(gid, sqlNote.getContent());
|
|
|
|
|
// 将 metaData 加入到更新队列中
|
|
|
|
|
GTaskClient.getInstance().addUpdateNode(metaData);
|
|
|
|
|
} else {
|
|
|
|
|
// 创建一个新的 MetaData
|
|
|
|
|
metaData = new MetaData();
|
|
|
|
|
metaData.setMeta(gid, sqlNote.getContent());
|
|
|
|
|
// 将 metaData 加入到 MetaList 中,等待更新
|
|
|
|
|
mMetaList.addChildTask(metaData);
|
|
|
|
|
// 将 metaData 加入到 mMetaHashMap 中
|
|
|
|
|
mMetaHashMap.put(gid, metaData);
|
|
|
|
|
// 在 Google Tasks 中创建一个新任务
|
|
|
|
|
GTaskClient.getInstance().createTask(metaData);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
@ -751,7 +764,7 @@ public class GTaskManager {
|
|
|
|
|
return;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// get the latest gtask list
|
|
|
|
|
// 获取最新的 Google 任务列表
|
|
|
|
|
mGTaskHashMap.clear();
|
|
|
|
|
mGTaskListHashMap.clear();
|
|
|
|
|
mMetaHashMap.clear();
|
|
|
|
@ -759,21 +772,26 @@ public class GTaskManager {
|
|
|
|
|
|
|
|
|
|
Cursor c = null;
|
|
|
|
|
try {
|
|
|
|
|
// 查询本地笔记表格,过滤掉系统笔记和垃圾桶笔记
|
|
|
|
|
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()) {
|
|
|
|
|
// 获取本地笔记的 gid
|
|
|
|
|
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
|
|
|
|
|
// 获取 gid 对应的 Google 任务节点
|
|
|
|
|
Node node = mGTaskHashMap.get(gid);
|
|
|
|
|
if (node != null) {
|
|
|
|
|
// 如果 Google 任务中存在该节点,则更新本地笔记的同步 ID
|
|
|
|
|
mGTaskHashMap.remove(gid);
|
|
|
|
|
ContentValues values = new ContentValues();
|
|
|
|
|
values.put(NoteColumns.SYNC_ID, node.getLastModified());
|
|
|
|
|
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
|
|
|
|
|
c.getLong(SqlNote.ID_COLUMN)), values, null, null);
|
|
|
|
|
} else {
|
|
|
|
|
// 如果 Google 任务中不存在该节点,则说明有同步问题,抛出异常
|
|
|
|
|
Log.e(TAG, "something is missed");
|
|
|
|
|
throw new ActionFailureException(
|
|
|
|
|
"some local items don't have gid after sync");
|
|
|
|
@ -791,10 +809,12 @@ public class GTaskManager {
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public String getSyncAccount() {
|
|
|
|
|
// 获取当前同步账户的名称
|
|
|
|
|
return GTaskClient.getInstance().getSyncAccount().name;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
public void cancelSync() {
|
|
|
|
|
// 取消同步
|
|
|
|
|
mCancelled = true;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|