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xiaomi

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pull/11/head
owo193 5 days ago
parent 60739e7742
commit 01ca17e1e3
4 changed files with 238 additions and 171 deletions
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46
src/net/micode/notes/gtask/remote/GTaskASyncTask.java
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@ -1,4 +1,3 @@
/*
* Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)
*
@ -29,91 +28,118 @@ import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
// 用于Google任务同步的异步任务类
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
// 同步通知的固定ID
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
// 同步完成监听接口
public interface OnCompleteListener {
void onComplete();
}
private Context mContext;
private NotificationManager mNotifiManager;
private GTaskManager mTaskManager;
private OnCompleteListener mOnCompleteListener;
private Context mContext; // 上下文对象
private NotificationManager mNotifiManager; // 通知管理器
private GTaskManager mTaskManager; // Google任务管理器
private OnCompleteListener mOnCompleteListener; // 同步完成监听器
// 构造函数
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
// 初始化通知管理器
mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE);
// 获取Google任务管理器实例
mTaskManager = GTaskManager.getInstance();
}
// 取消同步
public void cancelSync() {
mTaskManager.cancelSync();
}
// 发布进度更新
public void publishProgess(String message) {
publishProgress(new String[] {
message
});
}
// 显示通知
private void showNotification(int tickerId, String content) {
// 创建通知对象
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
// 设置默认灯光效果
notification.defaults = Notification.DEFAULT_LIGHTS;
// 设置自动取消标志
notification.flags = Notification.FLAG_AUTO_CANCEL;
PendingIntent pendingIntent;
// 根据通知类型设置不同的跳转页面
if (tickerId != R.string.ticker_success) {
// 失败时跳转到设置页面
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
} else {
// 成功时跳转到笔记列表页面
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
}
// 设置通知详细信息
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
// 显示通知
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
// 后台执行同步任务
@Override
protected Integer doInBackground(Void... unused) {
// 发布登录进度信息
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
// 执行同步操作
return mTaskManager.sync(mContext, this);
}
// 进度更新处理
@Override
protected void onProgressUpdate(String... progress) {
// 显示同步中通知
showNotification(R.string.ticker_syncing, progress[0]);
// 如果是服务上下文，发送广播
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
// 任务执行完成处理
@Override
protected void onPostExecute(Integer result) {
// 根据同步结果显示不同通知
if (result == GTaskManager.STATE_SUCCESS) {
// 成功通知
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
// 更新最后同步时间
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
// 网络错误通知
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
// 内部错误通知
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
// 同步取消通知
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
// 如果有完成监听器，在新线程中执行回调
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
}

125
src/net/micode/notes/gtask/remote/GTaskClient.java
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@ -61,35 +61,27 @@ import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
// Google任务客户端类，用于与Google任务服务交互
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
// Google任务服务基础URL
private static final String GTASK_URL = "https://mail.google.com/tasks/";
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
private static GTaskClient mInstance = null;
private DefaultHttpClient mHttpClient;
private String mGetUrl;
private String mPostUrl;
private long mClientVersion;
private boolean mLoggedin;
private long mLastLoginTime;
private int mActionId;
private Account mAccount;
private JSONArray mUpdateArray;
private static GTaskClient mInstance = null; // 单例实例
private DefaultHttpClient mHttpClient; // HTTP客户端
private String mGetUrl; // GET请求URL
private String mPostUrl; // POST请求URL
private long mClientVersion; // 客户端版本号
private boolean mLoggedin; // 登录状态标志
private long mLastLoginTime; // 最后登录时间
private int mActionId; // 操作ID计数器
private Account mAccount; // 当前同步账户
private JSONArray mUpdateArray; // 待提交的更新数组
// 私有构造函数
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
@ -102,6 +94,7 @@ public class GTaskClient {
mUpdateArray = null;
}
// 获取单例实例
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,15 +102,15 @@ public class GTaskClient {
return mInstance;
}
// 登录Google任务服务
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
// 假设cookie5分钟后过期，需要重新登录
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// 账户切换后需要重新登录
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
@ -130,13 +123,14 @@ public class GTaskClient {
}
mLastLoginTime = System.currentTimeMillis();
// 获取Google账户认证token
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
// 如果是自定义域名登录
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
@ -146,12 +140,13 @@ public class GTaskClient {
mGetUrl = url.toString() + "ig";
mPostUrl = url.toString() + "r/ig";
// 尝试登录自定义域名任务服务
if (tryToLoginGtask(activity, authToken)) {
mLoggedin = true;
}
}
// try to login with google official url
// 尝试登录Google官方任务服务
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -164,6 +159,7 @@ public class GTaskClient {
return true;
}
// 登录Google账户获取认证token
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
@ -174,6 +170,7 @@ public class GTaskClient {
return null;
}
// 获取设置中配置的同步账户名
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
for (Account a : accounts) {
@ -189,13 +186,14 @@ public class GTaskClient {
return null;
}
// get the token now
// 获取认证token
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
Bundle authTokenBundle = accountManagerFuture.getResult();
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);
if (invalidateToken) {
// 使token失效并重新获取
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
}
@ -207,10 +205,10 @@ public class GTaskClient {
return authToken;
}
// 尝试登录Google任务服务
private boolean tryToLoginGtask(Activity activity, String authToken) {
if (!loginGtask(authToken)) {
// maybe the auth token is out of date, now let's invalidate the
// token and try again
// 可能是token过期，使token失效并重试
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
@ -225,25 +223,28 @@ public class GTaskClient {
return true;
}
// 执行实际登录Google任务服务的操作
private boolean loginGtask(String authToken) {
// 设置HTTP连接参数
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
mHttpClient = new DefaultHttpClient(httpParameters);
// 设置cookie存储
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
// 登录Google任务服务
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the cookie now
// 获取cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
@ -255,7 +256,7 @@ public class GTaskClient {
Log.w(TAG, "it seems that there is no auth cookie");
}
// get the client version
// 获取客户端版本号
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -272,7 +273,7 @@ public class GTaskClient {
e.printStackTrace();
return false;
} catch (Exception e) {
// simply catch all exceptions
// 捕获所有异常
Log.e(TAG, "httpget gtask_url failed");
return false;
}
@ -280,10 +281,12 @@ public class GTaskClient {
return true;
}
// 获取操作ID并自增
private int getActionId() {
return mActionId++;
}
// 创建HTTP POST请求
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -291,6 +294,7 @@ public class GTaskClient {
return httpPost;
}
// 获取HTTP响应内容
private String getResponseContent(HttpEntity entity) throws IOException {
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
@ -299,6 +303,7 @@ public class GTaskClient {
}
InputStream input = entity.getContent();
// 处理不同的压缩格式
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
@ -323,6 +328,7 @@ public class GTaskClient {
}
}
// 发送POST请求并获取JSON响应
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -331,12 +337,13 @@ public class GTaskClient {
HttpPost httpPost = createHttpPost();
try {
// 构建请求参数
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
list.add(new BasicNameValuePair("r", js.toString()));
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
httpPost.setEntity(entity);
// execute the post
// 执行POST请求
HttpResponse response = mHttpClient.execute(httpPost);
String jsString = getResponseContent(response.getEntity());
return new JSONObject(jsString);
@ -360,20 +367,21 @@ public class GTaskClient {
}
}
// 创建新任务
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 添加创建任务的操作
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
@ -386,20 +394,21 @@ public class GTaskClient {
}
}
// 创建新任务列表
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 添加创建任务列表的操作
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送POST请求
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
@ -412,15 +421,16 @@ public class GTaskClient {
}
}
// 提交所有待处理的更新
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
JSONObject jsPost = new JSONObject();
// action_list
// 添加更新操作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
@ -433,10 +443,10 @@ public class GTaskClient {
}
}
// 添加待更新的节点
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
// set max to 10 items
// 更新项太多可能导致错误，设置最大10项
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
@ -447,6 +457,7 @@ public class GTaskClient {
}
}
// 移动任务到新位置
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
@ -455,26 +466,25 @@ public class GTaskClient {
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 构建移动操作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_MOVE);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid());
if (preParent == curParent && task.getPriorSibling() != null) {
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
// 仅在任务列表内移动且不是第一个任务时，添加前一个兄弟节点ID
action.put(GTaskStringUtils.GTASK_JSON_PRIOR_SIBLING_ID, task.getPriorSibling());
}
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid());
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid());
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
// 仅在跨任务列表移动时添加目标列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
@ -486,18 +496,19 @@ public class GTaskClient {
}
}
// 删除节点
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 标记节点为已删除并添加更新操作
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
@ -509,6 +520,7 @@ public class GTaskClient {
}
}
// 获取所有任务列表
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -520,7 +532,7 @@ public class GTaskClient {
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
// get the task list
// 解析响应获取任务列表
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -547,6 +559,7 @@ public class GTaskClient {
}
}
// 获取指定任务列表中的任务
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
@ -554,7 +567,7 @@ public class GTaskClient {
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 构建获取所有任务的操作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
@ -563,7 +576,7 @@ public class GTaskClient {
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本号
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost);
@ -575,10 +588,12 @@ public class GTaskClient {
}
}
// 获取当前同步账户
public Account getSyncAccount() {
return mAccount;
}
// 重置更新数组
public void resetUpdateArray() {
mUpdateArray = null;
}

190
src/net/micode/notes/gtask/remote/GTaskManager.java
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@ -48,45 +48,34 @@ import java.util.Iterator;
import java.util.Map;
// Google任务管理器类，负责同步逻辑
public class GTaskManager {
private static final String TAG = GTaskManager.class.getSimpleName();
public static final int STATE_SUCCESS = 0;
public static final int STATE_NETWORK_ERROR = 1;
public static final int STATE_INTERNAL_ERROR = 2;
public static final int STATE_SYNC_IN_PROGRESS = 3;
public static final int STATE_SYNC_CANCELLED = 4;
private static GTaskManager mInstance = null;
private Activity mActivity;
private Context mContext;
private ContentResolver mContentResolver;
private boolean mSyncing;
private boolean mCancelled;
private HashMap<String, TaskList> mGTaskListHashMap;
private HashMap<String, Node> mGTaskHashMap;
private HashMap<String, MetaData> mMetaHashMap;
private TaskList mMetaList;
private HashSet<Long> mLocalDeleteIdMap;
private HashMap<String, Long> mGidToNid;
private HashMap<Long, String> mNidToGid;
// 同步状态常量
public static final int STATE_SUCCESS = 0; // 同步成功
public static final int STATE_NETWORK_ERROR = 1; // 网络错误
public static final int STATE_INTERNAL_ERROR = 2; // 内部错误
public static final int STATE_SYNC_IN_PROGRESS = 3; // 同步进行中
public static final int STATE_SYNC_CANCELLED = 4; // 同步已取消
private static GTaskManager mInstance = null; // 单例实例
private Activity mActivity; // Activity上下文（用于获取认证token）
private Context mContext; // 应用上下文
private ContentResolver mContentResolver; // 内容解析器
private boolean mSyncing; // 同步状态标志
private boolean mCancelled; // 取消同步标志
// 数据存储相关HashMap
private HashMap<String, TaskList> mGTaskListHashMap; // 任务列表HashMap
private HashMap<String, Node> mGTaskHashMap; // 节点HashMap
private HashMap<String, MetaData> mMetaHashMap; // 元数据HashMap
private TaskList mMetaList; // 元数据列表
private HashSet<Long> mLocalDeleteIdMap; // 本地删除ID集合
private HashMap<String, Long> mGidToNid; // Google ID到本地ID的映射
private HashMap<Long, String> mNidToGid; // 本地ID到Google ID的映射
// 私有构造函数
private GTaskManager() {
mSyncing = false;
mCancelled = false;
@ -99,6 +88,7 @@ public class GTaskManager {
mNidToGid = new HashMap<Long, String>();
}
// 获取单例实例
public static synchronized GTaskManager getInstance() {
if (mInstance == null) {
mInstance = new GTaskManager();
@ -106,11 +96,13 @@ public class GTaskManager {
return mInstance;
}
// 设置Activity上下文
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
// 用于获取认证token
mActivity = activity;
}
// 执行同步操作
public int sync(Context context, GTaskASyncTask asyncTask) {
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
@ -120,6 +112,7 @@ public class GTaskManager {
mContentResolver = mContext.getContentResolver();
mSyncing = true;
mCancelled = false;
// 清空所有临时数据存储
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
@ -131,18 +124,18 @@ public class GTaskManager {
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
// login google task
// 1. 登录Google任务服务
if (!mCancelled) {
if (!client.login(mActivity)) {
throw new NetworkFailureException("login google task failed");
}
}
// get the task list from google
// 2. 初始化Google任务列表
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
initGTaskList();
// do content sync work
// 3. 同步内容
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
syncContent();
} catch (NetworkFailureException e) {
@ -156,6 +149,7 @@ public class GTaskManager {
e.printStackTrace();
return STATE_INTERNAL_ERROR;
} finally {
// 清理临时数据
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
@ -168,6 +162,7 @@ public class GTaskManager {
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
// 初始化Google任务列表
private void initGTaskList() throws NetworkFailureException {
if (mCancelled)
return;
@ -175,7 +170,7 @@ public class GTaskManager {
try {
JSONArray jsTaskLists = client.getTaskLists();
// init meta list first
// 1. 首先初始化元数据列表
mMetaList = null;
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
@ -187,7 +182,7 @@ public class GTaskManager {
mMetaList = new TaskList();
mMetaList.setContentByRemoteJSON(object);
// load meta data
// 加载元数据
JSONArray jsMetas = client.getTaskList(gid);
for (int j = 0; j < jsMetas.length(); j++) {
object = (JSONObject) jsMetas.getJSONObject(j);
@ -203,7 +198,7 @@ public class GTaskManager {
}
}
// create meta list if not existed
// 2. 如果元数据列表不存在，则创建
if (mMetaList == null) {
mMetaList = new TaskList();
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
@ -211,7 +206,7 @@ public class GTaskManager {
GTaskClient.getInstance().createTaskList(mMetaList);
}
// init task list
// 3. 初始化其他任务列表
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
@ -225,7 +220,7 @@ public class GTaskManager {
mGTaskListHashMap.put(gid, tasklist);
mGTaskHashMap.put(gid, tasklist);
// load tasks
// 加载任务
JSONArray jsTasks = client.getTaskList(gid);
for (int j = 0; j < jsTasks.length(); j++) {
object = (JSONObject) jsTasks.getJSONObject(j);
@ -247,6 +242,7 @@ public class GTaskManager {
}
}
// 同步内容
private void syncContent() throws NetworkFailureException {
int syncType;
Cursor c = null;
@ -259,7 +255,7 @@ public class GTaskManager {
return;
}
// for local deleted note
// 1. 同步本地已删除的笔记
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id=?)", new String[] {
@ -286,10 +282,10 @@ public class GTaskManager {
}
}
// sync folder first
// 2. 首先同步文件夹
syncFolder();
// for note existing in database
// 3. 同步数据库中存在的笔记
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
@ -306,10 +302,10 @@ public class GTaskManager {
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
// 本地新增
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
// 远程删除
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
@ -326,7 +322,7 @@ public class GTaskManager {
}
}
// go through remaining items
// 4. 处理剩余的远程新增项
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
@ -334,23 +330,21 @@ public class GTaskManager {
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
// mCancelled can be set by another thread, so we neet to check one by
// one
// clear local delete table
// 5. 清除本地删除表
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
}
}
// refresh local sync id
// 6. 刷新本地同步ID
if (!mCancelled) {
GTaskClient.getInstance().commitUpdate();
refreshLocalSyncId();
}
}
// 同步文件夹
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
@ -361,7 +355,7 @@ public class GTaskManager {
return;
}
// for root folder
// 1. 同步根文件夹
try {
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
@ -373,7 +367,7 @@ public class GTaskManager {
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
// 对于系统文件夹，仅在必要时更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
@ -390,7 +384,7 @@ public class GTaskManager {
}
}
// for call-note folder
// 2. 同步通话记录文件夹
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
@ -404,8 +398,7 @@ public class GTaskManager {
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, (long) Notes.ID_CALL_RECORD_FOLDER);
mNidToGid.put((long) Notes.ID_CALL_RECORD_FOLDER, gid);
// for system folder, only update remote name if
// necessary
// 对于系统文件夹，仅在必要时更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_CALL_NOTE))
@ -424,7 +417,7 @@ public class GTaskManager {
}
}
// for local existing folders
// 3. 同步本地存在的文件夹
try {
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
@ -441,10 +434,10 @@ public class GTaskManager {
syncType = node.getSyncAction(c);
} else {
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
// 本地新增
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
// 远程删除
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
@ -460,7 +453,7 @@ public class GTaskManager {
}
}
// for remote add folders
// 4. 处理远程新增的文件夹
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
@ -476,6 +469,7 @@ public class GTaskManager {
GTaskClient.getInstance().commitUpdate();
}
// 执行内容同步操作
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -510,8 +504,8 @@ public class GTaskManager {
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_UPDATE_CONFLICT:
// merging both modifications maybe a good idea
// right now just use local update simply
// 合并修改可能是一个好主意
// 目前简单使用本地更新
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_NONE:
@ -522,6 +516,7 @@ public class GTaskManager {
}
}
// 添加本地节点
private void addLocalNode(Node node) throws NetworkFailureException {
if (mCancelled) {
return;
@ -529,6 +524,7 @@ public class GTaskManager {
SqlNote sqlNote;
if (node instanceof TaskList) {
// 处理文件夹
if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
@ -541,15 +537,17 @@ public class GTaskManager {
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
}
} else {
// 处理笔记
sqlNote = new SqlNote(mContext);
JSONObject js = node.getLocalJSONFromContent();
try {
// 处理元数据
if (js.has(GTaskStringUtils.META_HEAD_NOTE)) {
JSONObject note = js.getJSONObject(GTaskStringUtils.META_HEAD_NOTE);
if (note.has(NoteColumns.ID)) {
long id = note.getLong(NoteColumns.ID);
if (DataUtils.existInNoteDatabase(mContentResolver, id)) {
// the id is not available, have to create a new one
// ID不可用，需要创建新的
note.remove(NoteColumns.ID);
}
}
@ -562,13 +560,11 @@ public class GTaskManager {
if (data.has(DataColumns.ID)) {
long dataId = data.getLong(DataColumns.ID);
if (DataUtils.existInDataDatabase(mContentResolver, dataId)) {
// the data id is not available, have to create
// a new one
// 数据ID不可用，需要创建新的
data.remove(DataColumns.ID);
}
}
}
}
} catch (JSONException e) {
Log.w(TAG, e.toString());
@ -576,6 +572,7 @@ public class GTaskManager {
}
sqlNote.setContent(js);
// 设置父文件夹ID
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
if (parentId == null) {
Log.e(TAG, "cannot find task's parent id locally");
@ -584,28 +581,30 @@ public class GTaskManager {
sqlNote.setParentId(parentId.longValue());
}
// create the local node
// 创建本地节点
sqlNote.setGtaskId(node.getGid());
sqlNote.commit(false);
// update gid-nid mapping
// 更新ID映射
mGidToNid.put(node.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), node.getGid());
// update meta
// 更新元数据
updateRemoteMeta(node.getGid(), sqlNote);
}
// 更新本地节点
private void updateLocalNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
}
SqlNote sqlNote;
// update the note locally
// 更新本地笔记
sqlNote = new SqlNote(mContext, c);
sqlNote.setContent(node.getLocalJSONFromContent());
// 设置父文件夹ID
Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
: new Long(Notes.ID_ROOT_FOLDER);
if (parentId == null) {
@ -615,10 +614,11 @@ public class GTaskManager {
sqlNote.setParentId(parentId.longValue());
sqlNote.commit(true);
// update meta info
// 更新元数据
updateRemoteMeta(node.getGid(), sqlNote);
}
// 添加远程节点
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -627,11 +627,13 @@ public class GTaskManager {
SqlNote sqlNote = new SqlNote(mContext, c);
Node n;
// update remotely
// 远程更新
if (sqlNote.isNoteType()) {
// 处理笔记
Task task = new Task();
task.setContentByLocalJSON(sqlNote.getContent());
// 获取父文件夹ID
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
@ -639,15 +641,17 @@ public class GTaskManager {
}
mGTaskListHashMap.get(parentGid).addChildTask(task);
// 创建远程任务
GTaskClient.getInstance().createTask(task);
n = (Node) task;
// add meta
// 添加元数据
updateRemoteMeta(task.getGid(), sqlNote);
} else {
// 处理文件夹
TaskList tasklist = null;
// we need to skip folder if it has already existed
// 跳过已存在的文件夹
String folderName = GTaskStringUtils.MIUI_FOLDER_PREFFIX;
if (sqlNote.getId() == Notes.ID_ROOT_FOLDER)
folderName += GTaskStringUtils.FOLDER_DEFAULT;
@ -656,6 +660,7 @@ public class GTaskManager {
else
folderName += sqlNote.getSnippet();
// 查找匹配的文件夹
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
@ -671,7 +676,7 @@ public class GTaskManager {
}
}
// no match we can add now
// 没有匹配项则创建新文件夹
if (tasklist == null) {
tasklist = new TaskList();
tasklist.setContentByLocalJSON(sqlNote.getContent());
@ -681,17 +686,18 @@ public class GTaskManager {
n = (Node) tasklist;
}
// update local note
// 更新本地笔记
sqlNote.setGtaskId(n.getGid());
sqlNote.commit(false);
sqlNote.resetLocalModified();
sqlNote.commit(true);
// gid-id mapping
// 更新ID映射
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
// 更新远程节点
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -699,18 +705,19 @@ public class GTaskManager {
SqlNote sqlNote = new SqlNote(mContext, c);
// update remotely
// 更新远程节点
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
// update meta
// 更新元数据
updateRemoteMeta(node.getGid(), sqlNote);
// move task if necessary
// 如果是笔记，可能需要移动位置
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
// 获取当前父文件夹ID
String curParentGid = mNidToGid.get(sqlNote.getParentId());
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
@ -718,6 +725,7 @@ public class GTaskManager {
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
// 如果父文件夹发生变化，移动任务
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
@ -725,18 +733,21 @@ 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
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
if (metaData != null) {
// 更新现有元数据
metaData.setMeta(gid, sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(metaData);
} else {
// 创建新元数据
metaData = new MetaData();
metaData.setMeta(gid, sqlNote.getContent());
mMetaList.addChildTask(metaData);
@ -746,12 +757,13 @@ public class GTaskManager {
}
}
// 刷新本地同步ID
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
// 重新获取Google任务列表
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
@ -759,6 +771,7 @@ public class GTaskManager {
Cursor c = null;
try {
// 查询所有非系统笔记
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)
@ -769,6 +782,7 @@ public class GTaskManager {
Node node = mGTaskHashMap.get(gid);
if (node != null) {
mGTaskHashMap.remove(gid);
// 更新同步时间戳
ContentValues values = new ContentValues();
values.put(NoteColumns.SYNC_ID, node.getLastModified());
mContentResolver.update(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
@ -790,10 +804,12 @@ public class GTaskManager {
}
}
// 获取当前同步账户
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}
// 取消同步
public void cancelSync() {
mCancelled = true;
}

40
src/net/micode/notes/gtask/remote/GTaskSyncService.java
Unescape View File

@ -23,80 +23,86 @@ import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
// GTask同步服务类，继承自Service
public class GTaskSyncService extends Service {
// 定义常量字符串，表示同步动作类型
public final static String ACTION_STRING_NAME = "sync_action_type";
public final static int ACTION_START_SYNC = 0;
public final static int ACTION_CANCEL_SYNC = 1;
public final static int ACTION_INVALID = 2;
// 定义同步动作常量
public final static int ACTION_START_SYNC = 0; // 开始同步
public final static int ACTION_CANCEL_SYNC = 1; // 取消同步
public final static int ACTION_INVALID = 2; // 无效动作
// 定义广播相关常量
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.remote.gtask_sync_service";
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "isSyncing";
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 静态变量，保存同步任务和同步进度
private static GTaskASyncTask mSyncTask = null;
private static String mSyncProgress = "";
// 开始同步方法
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
stopSelf(); // 任务完成后停止服务
}
});
sendBroadcast("");
mSyncTask.execute();
mSyncTask.execute(); // 执行同步任务
}
}
// 取消同步方法
private void cancelSync() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
mSyncTask.cancelSync(); // 取消同步任务
}
}
@Override
public void onCreate() {
mSyncTask = null;
mSyncTask = null; // 服务创建时初始化同步任务为null
}
@Override
public int onStartCommand(Intent intent, int flags, int startId) {
Bundle bundle = intent.getExtras();
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
// 根据传入的动作类型执行相应操作
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC:
startSync();
startSync(); // 开始同步
break;
case ACTION_CANCEL_SYNC:
cancelSync();
cancelSync(); // 取消同步
break;
default:
break;
}
return START_STICKY;
return START_STICKY; // 服务被杀死后自动重启
}
return super.onStartCommand(intent, flags, startId);
}
@Override
public void onLowMemory() {
// 内存不足时取消同步
if (mSyncTask != null) {
mSyncTask.cancelSync();
}
}
// 绑定服务时调用，返回null表示不支持绑定
public IBinder onBind(Intent intent) {
return null;
}
// 发送广播方法，通知同步状态和进度
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
@ -105,6 +111,7 @@ public class GTaskSyncService extends Service {
sendBroadcast(intent);
}
// 静态方法，从Activity启动同步
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
@ -112,16 +119,19 @@ public class GTaskSyncService extends Service {
activity.startService(intent);
}
// 静态方法，取消同步
public static void cancelSync(Context context) {
Intent intent = new Intent(context, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_CANCEL_SYNC);
context.startService(intent);
}
// 检查是否正在同步
public static boolean isSyncing() {
return mSyncTask != null;
}
// 获取同步进度字符串
public static String getProgressString() {
return mSyncProgress;
}

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