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pbg7l8cy5 1 month ago
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commit 449aab321a
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58
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskASyncTask.java
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@ -28,89 +28,99 @@ import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
// GTaskASyncTask类继承自AsyncTask，用于在后台执行Google任务同步操作
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
// 定义一个静态常量，用于标识同步任务的通知ID
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
// 定义一个接口，用于在异步任务完成时回调
public interface OnCompleteListener {
// 定义一个方法，在异步任务完成时被调用
void onComplete();
}
// 应用上下文对象
private Context mContext;
// 通知管理器，用于显示和取消通知
private NotificationManager mNotifiManager;
// 任务管理器，用于处理同步任务
private GTaskManager mTaskManager;
// 异步任务完成时的回调监听器
private OnCompleteListener mOnCompleteListener;
// 构造方法，初始化上下文、回调监听器、通知管理器和任务管理器
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
mNotifiManager = (NotificationManager) mContext
.getSystemService(Context.NOTIFICATION_SERVICE);
mTaskManager = GTaskManager.getInstance();
.getSystemService(Context.NOTIFICATION_SERVICE);// 从系统服务获取通知管理器
mTaskManager = GTaskManager.getInstance();// 获取任务管理器的实例
}
// 取消同步操作
public void cancelSync() {
mTaskManager.cancelSync();
mTaskManager.cancelSync();// 调用任务管理器的取消同步方法
}
// 发布进度更新
public void publishProgess(String message) {
publishProgress(new String[] {
message
});
});// 调用AsyncTask的publishProgress方法来更新进度
}
private void showNotification(int tickerId, String content) {
// 显示通知
private void showNotification(int tickerId, String content) { // 创建一个新的通知对象
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
notification.defaults = Notification.DEFAULT_LIGHTS;// 设置通知的默认灯
notification.flags = Notification.FLAG_AUTO_CANCEL;// 设置通知标志为自动取消
// 根据通知类型设置不同的PendingIntent
PendingIntent pendingIntent;
if (tickerId != R.string.ticker_success) {
// 如果不是成功通知，则点击通知后打开NotesPreferenceActivity
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
} else {
// 如果是成功通知，则点击通知后打开NotesListActivity
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
}
// 设置通知的内容
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
// 通过通知管理器显示通知
mNotifiManager.notify(GTASK_SYNC_NOTIFICATION_ID, notification);
}
@Override
protected Integer doInBackground(Void... unused) {
// 发布登录进度的通知
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
// 执行同步操作，并返回同步结果
return mTaskManager.sync(mContext, this);
}
@Override
protected void onProgressUpdate(String... progress) {
showNotification(R.string.ticker_syncing, progress[0]);
protected void onProgressUpdate(String... progress) { // 显示同步进行中的通知
showNotification(R.string.ticker_syncing, progress[0]);// 如果mContext是GTaskSyncService的实例，则通过它发送广播，广播的内容是progress数组的第一个元素
if (mContext instanceof GTaskSyncService) {
((GTaskSyncService) mContext).sendBroadcast(progress[0]);
}
}
@Override
protected void onPostExecute(Integer result) {
if (result == GTaskManager.STATE_SUCCESS) {
protected void onPostExecute(Integer result) {// 根据同步结果（result）执行不同的操作
if (result == GTaskManager.STATE_SUCCESS) { // 如果同步成功，显示成功的通知，并更新最后同步时间
showNotification(R.string.ticker_success, mContext.getString(
R.string.success_sync_account, mTaskManager.getSyncAccount()));
NotesPreferenceActivity.setLastSyncTime(mContext, System.currentTimeMillis());
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {
} else if (result == GTaskManager.STATE_NETWORK_ERROR) {// 如果发生网络错误，显示网络错误的通知
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {// 如果发生内部错误，显示内部错误的通知
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) { // 如果同步被取消，显示取消的通知
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
// 如果mOnCompleteListener不为null，启动一个新线程来调用它的onComplete方法
if (mOnCompleteListener != null) {
new Thread(new Runnable() {

281
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskClient.java
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@ -62,35 +62,37 @@ import java.util.zip.InflaterInputStream;
public class GTaskClient {
// 类标签，用于日志输出
private static final String TAG = GTaskClient.class.getSimpleName();
// Google Tasks服务的基URL
private static final String GTASK_URL = "https://mail.google.com/tasks/";
// 用于获取数据的URL
private static final String GTASK_GET_URL = "https://mail.google.com/tasks/ig";
// 用于提交数据的URL
private static final String GTASK_POST_URL = "https://mail.google.com/tasks/r/ig";
// GTaskClient的单例实例
private static GTaskClient mInstance = null;
// HTTP客户端，用于发送请求
private DefaultHttpClient mHttpClient;
// 当前使用的获取数据的URL
private String mGetUrl;
// 当前使用的提交数据的URL
private String mPostUrl;
// 客户端版本号
private long mClientVersion;
// 登录状态
private boolean mLoggedin;
// 最后一次登录时间
private long mLastLoginTime;
// 操作ID，用于标识不同的操作
private int mActionId;
// 当前登录的账户
private Account mAccount;
// 更新数据数组
private JSONArray mUpdateArray;
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -109,15 +111,17 @@ public class GTaskClient {
return mInstance;
}
public boolean login(Activity activity) {
public boolean login(Activity activity) { // 假设cookie在5分钟后过期，需要重新登录
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
final long interval = 1000 * 60 * 5;
// 切换账户后需要重新登录
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
// 如果已经登录，直接返回true
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
@ -128,14 +132,15 @@ public class GTaskClient {
Log.d(TAG, "already logged in");
return true;
}
// 更新最后一次登录时间
mLastLoginTime = System.currentTimeMillis();
// 获取Google账户的认证令牌
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// 如果账户不是gmail.com或googlemail.com，使用自定义域名登录
// login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
@ -159,29 +164,33 @@ public class GTaskClient {
return false;
}
}
// 设置登录状态为true并返回true表示登录成功
mLoggedin = true;
return true;
}
// 登录Google账户的函数，接收一个Activity实例和一个标志位来决定是否使当前的token无效
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
Account[] accounts = accountManager.getAccountsByType("com.google");
String authToken;// 用于存储获取到的认证token
AccountManager accountManager = AccountManager.get(activity);// 获取AccountManager实例
Account[] accounts = accountManager.getAccountsByType("com.google");// 获取所有Google类型的账户
// 如果没有可用的Google账户，则记录错误日志并返回null
if (accounts.length == 0) {
Log.e(TAG, "there is no available google account");
return null;
}
// 从设置中获取同步账户的名称
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
// 遍历所有账户，找到与设置中的账户名匹配的账户
for (Account a : accounts) {
if (a.name.equals(accountName)) {
account = a;
break;
}
}
// 如果找到了匹配的账户，则将其存储在mAccount变量中，否则记录错误日志并返回null
if (account != null) {
mAccount = account;
} else {
@ -190,60 +199,66 @@ public class GTaskClient {
}
// 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);
Bundle authTokenBundle = accountManagerFuture.getResult();// 获取结果
authToken = authTokenBundle.getString(AccountManager.KEY_AUTHTOKEN);// 从结果中获取token
// 如果需要使token无效，则调用invalidateAuthToken并递归调用loginGoogleAccount以获取新的token
if (invalidateToken) {
accountManager.invalidateAuthToken("com.google", authToken);
loginGoogleAccount(activity, false);
}
} catch (Exception e) {
// 如果获取token失败，则记录错误日志并将authToken设置为null
Log.e(TAG, "get auth token failed");
authToken = null;
}
return authToken;
return authToken;// 返回获取到的token
}
// 尝试使用Google账户登录Google Tasks的函数
private boolean tryToLoginGtask(Activity activity, String authToken) {
// 尝试使用提供的token登录Google Tasks
if (!loginGtask(authToken)) {
// 如果登录失败，可能是因为token已过期，因此使token无效并尝试重新登录
// maybe the auth token is out of date, now let's invalidate the
// token and try again
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
if (authToken == null) {// 如果重新登录失败，则记录错误日志并返回false
Log.e(TAG, "login google account failed");
return false;
}
// 使用新的token再次尝试登录Google Tasks
if (!loginGtask(authToken)) {
Log.e(TAG, "login gtask failed");
return false;
}
}
return true;
return true;// 登录成功返回true
}
// 使用提供的token登录Google Tasks的函数
private boolean loginGtask(String authToken) {
// 设置HTTP连接的超时时间
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
HttpConnectionParams.setConnectionTimeout(httpParameters, timeoutConnection);
HttpConnectionParams.setSoTimeout(httpParameters, timeoutSocket);
mHttpClient = new DefaultHttpClient(httpParameters);
BasicCookieStore localBasicCookieStore = new BasicCookieStore();
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
mHttpClient = new DefaultHttpClient(httpParameters);// 创建HttpClient实例
BasicCookieStore localBasicCookieStore = new BasicCookieStore();// 创建Cookie存储实例
mHttpClient.setCookieStore(localBasicCookieStore);// 设置HttpClient的Cookie存储
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);// 禁用Expect-Continue握手
// login gtask
// 构造登录Google Tasks的URL
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpGet httpGet = new HttpGet(loginUrl);// 创建HttpGet请求
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
response = mHttpClient.execute(httpGet);// 执行HttpGet请求
// get the cookie now
// 检查响应中的Cookie，看是否有认证Cookie
List<Cookie> cookies = mHttpClient.getCookieStore().getCookies();
boolean hasAuthCookie = false;
for (Cookie cookie : cookies) {
@ -255,7 +270,7 @@ public class GTaskClient {
Log.w(TAG, "it seems that there is no auth cookie");
}
// get the client version
// 解析响应内容，获取客户端版本信息
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -265,25 +280,25 @@ public class GTaskClient {
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end);
}
JSONObject js = new JSONObject(jsString);
mClientVersion = js.getLong("v");
JSONObject js = new JSONObject(jsString);// 解析JSON字符串
mClientVersion = js.getLong("v");// 获取客户端版本
} catch (JSONException e) {
Log.e(TAG, e.toString());
Log.e(TAG, e.toString());// 如果解析JSON时出错，则记录错误日志并返回false
e.printStackTrace();
return false;
} catch (Exception e) {
} catch (Exception e) { // 捕获所有异常并记录错误日志，返回false
// simply catch all exceptions
Log.e(TAG, "httpget gtask_url failed");
return false;
}
return true;
return true;// 登录成功返回true
}
// 获取一个唯一的动作ID的函数
private int getActionId() {
return mActionId++;
}
// 创建一个HttpPost请求的函数
private HttpPost createHttpPost() {
HttpPost httpPost = new HttpPost(mPostUrl);
httpPost.setHeader("Content-Type", "application/x-www-form-urlencoded;charset=utf-8");
@ -292,89 +307,112 @@ public class GTaskClient {
}
private String getResponseContent(HttpEntity entity) throws IOException {
// 初始化内容编码变量
// 获取内容编码，如果存在的话
String contentEncoding = null;
if (entity.getContentEncoding() != null) {
contentEncoding = entity.getContentEncoding().getValue();
// 打印内容编码
Log.d(TAG, "encoding: " + contentEncoding);
}
// 获取输入流
InputStream input = entity.getContent();
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
// 根据内容编码进行解压缩
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) { // 如果是gzip编码，使用GZIPInputStream解压缩
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {// 如果是deflate编码，使用InflaterInputStream解压缩
Inflater inflater = new Inflater(true);
input = new InflaterInputStream(entity.getContent(), inflater);
}
// 读取输入流并转换为字符串
try {
// 创建InputStreamReader，指定UTF-8编码
InputStreamReader isr = new InputStreamReader(input);
// 创建BufferedReader以高效读取文本
BufferedReader br = new BufferedReader(isr);
// 创建StringBuilder以构建响应内容字符串·
StringBuilder sb = new StringBuilder();
while (true) {
String buff = br.readLine();
if (buff == null) {
return sb.toString();
}
} // 将读取的行追加到StringBuilder
sb = sb.append(buff);
}
} finally {
} finally { // 确保输入流在完成后被关闭
input.close();
}
}
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
private JSONObject postRequest(JSONObject js) throws NetworkFailureException { // 检查用户是否已登录，如果未登录，则抛出异常
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
}
// 创建HTTP POST请求对象
HttpPost httpPost = createHttpPost();
try {
try { // 创建参数列表，用于存储请求参数
LinkedList<BasicNameValuePair> list = new LinkedList<BasicNameValuePair>();
// 将JSON对象转换为字符串，并作为参数添加到列表
list.add(new BasicNameValuePair("r", js.toString()));
// 创建UrlEncodedFormEntity对象，用于封装请求参数
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(list, "UTF-8");
// 设置请求的实体内容
httpPost.setEntity(entity);
// execute the post
// 执行HTTP POST请求，获取响应
HttpResponse response = mHttpClient.execute(httpPost);
// 获取响应内容，并将其转换为字符串
String jsString = getResponseContent(response.getEntity());
// 将响应字符串转换为JSON对象
return new JSONObject(jsString);
} catch (ClientProtocolException e) {
// 处理HTTP协议异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (IOException e) {
// 处理I/O异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("postRequest failed");
} catch (JSONException e) {
// 处理JSON解析异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("unable to convert response content to jsonobject");
} catch (Exception e) {
// 处理其他异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("error occurs when posting request");
}
}
// 创建任务的方法
public void createTask(Task task) throws NetworkFailureException {
// 提交之前的更新
commitUpdate();
try {
// 创建用于POST请求的JSON对象
JSONObject jsPost = new JSONObject();
// 创建动作列表
JSONArray actionList = new JSONArray();
// action_list
// 获取任务的创建动作，并添加到动作列表
actionList.put(task.getCreateAction(getActionId()));
// 将动作列表添加到POST请求的JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 设置客户端版本信息
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送POST请求，并获取响应
JSONObject jsResponse = postRequest(jsPost);
// 从响应中获取结果，并设置任务的GID
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
task.setGid(jsResult.getString(GTaskStringUtils.GTASK_JSON_NEW_ID));
@ -387,10 +425,10 @@ public class GTaskClient {
}
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交之前的更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject jsPost = new JSONObject(); // 创建用于POST请求的JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表
// action_list
actionList.put(tasklist.getCreateAction(getActionId()));
@ -413,19 +451,21 @@ public class GTaskClient {
}
public void commitUpdate() throws NetworkFailureException {
// 检查是否有更新数组
if (mUpdateArray != null) {
try {
try { // 创建用于POST请求的JSON对象
JSONObject jsPost = new JSONObject();
// action_list
// 将更新数组添加到POST请求的JSON对象
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 设置客户端版本信息
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
postRequest(jsPost);
// 清空更新数组
mUpdateArray = null;
} catch (JSONException e) {
// 处理JSON解析异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("commit update: handing jsonobject failed");
@ -433,40 +473,41 @@ public class GTaskClient {
}
}
public void addUpdateNode(Node node) throws NetworkFailureException {
public void addUpdateNode(Node node) throws NetworkFailureException { // 检查节点是否为空
if (node != null) {
// too many update items may result in an error
// set max to 10 items
// 检查更新数组中的项目数量，超过10个则先提交更新
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
// 如果更新数组为空，则初始化
if (mUpdateArray == null)
mUpdateArray = new JSONArray();
mUpdateArray = new JSONArray(); // 将节点的更新动作添加到更新数组
mUpdateArray.put(node.getUpdateAction(getActionId()));
}
}
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 提交之前的更新
try {
JSONObject jsPost = new JSONObject();
// 创建动作列表
JSONArray actionList = new JSONArray();
// 创建动作对象
JSONObject action = new JSONObject();
// action_list
// 设置动作类型为移动
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) {
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_ID, task.getGid()); // 设置任务ID
if (preParent == curParent && task.getPriorSibling() != null) { // 如果在同一个任务列表内移动且不是第一个任务，则设置前一个兄弟任务的ID
// put prioring_sibing_id only if moving within the tasklist and
// it is not the first one
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());
} // 设置源任务列表的GID
action.put(GTaskStringUtils.GTASK_JSON_SOURCE_LIST, preParent.getGid()); // 设置目标父任务的GID
action.put(GTaskStringUtils.GTASK_JSON_DEST_PARENT, curParent.getGid()); // 如果在不同任务列表间移动，则设置目标任务列表的GID
if (preParent != curParent) {
// put the dest_list only if moving between tasklists
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
@ -487,91 +528,99 @@ public class GTaskClient {
}
public void deleteNode(Node node) throws NetworkFailureException {
commitUpdate();
commitUpdate();// 先提交之前的所有更新
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
JSONObject jsPost = new JSONObject(); // 创建用于POST请求的JSON对象
JSONArray actionList = new JSONArray(); // 创建动作列表的JSONArray
// action_list
// 将节点标记为已删除，并获取更新动作，添加到动作列表中
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
actionList.put(node.getUpdateAction(getActionId())); // 将动作列表添加到POST请求的JSON对象中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// 添加客户端版本信息到POST请求的JSON对象中
// client_version
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送POST请求
postRequest(jsPost);
mUpdateArray = null;
mUpdateArray = null; // 清空更新数组
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("delete node: handing jsonobject failed");
Log.e(TAG, e.toString()); // 如果处理JSON时发生异常，记录错误日志
e.printStackTrace(); // 打印异常堆栈信息
throw new ActionFailureException("delete node: handing jsonobject failed"); // 抛出动作失败异常
}
}
public JSONArray getTaskLists() throws NetworkFailureException {
public JSONArray getTaskLists() throws NetworkFailureException { // 检查是否已登录
if (!mLoggedin) {
Log.e(TAG, "please login first");
throw new ActionFailureException("not logged in");
Log.e(TAG, "please login first"); // 如果未登录，记录错误日志
throw new ActionFailureException("not logged in"); // 抛出动作失败异常
}
try {
try { // 创建HTTP GET请求
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
HttpResponse response = null; // 执行HTTP GET请求，获取响应
response = mHttpClient.execute(httpGet);
// 获取响应内容
// get the task list
String resString = getResponseContent(response.getEntity());
// 定义JSON字符串的开始和结束标记
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
// 查找JSON字符串的开始和结束位置
int begin = resString.indexOf(jsBegin);
int end = resString.lastIndexOf(jsEnd);
String jsString = null;
String jsString = null; // 提取JSON字符串
if (begin != -1 && end != -1 && begin < end) {
jsString = resString.substring(begin + jsBegin.length(), end);
}
} // 将提取的JSON字符串转换为JSONObject.
JSONObject js = new JSONObject(jsString);
// 从JSONObject中获取任务列表的JSONArray
return js.getJSONObject("t").getJSONArray(GTaskStringUtils.GTASK_JSON_LISTS);
} catch (ClientProtocolException e) {
} catch (ClientProtocolException e) { // 如果HTTP协议错误，记录错误日志
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
} catch (IOException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new NetworkFailureException("gettasklists: httpget failed");
e.printStackTrace(); // 打印异常堆栈信息
throw new NetworkFailureException("gettasklists: httpget failed"); // 抛出网络失败异常
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task lists: handing jasonobject failed");
Log.e(TAG, e.toString()); // 如果I/O错误，记录错误日志
e.printStackTrace(); // 打印异常堆栈信息
throw new ActionFailureException("get task lists: handing jasonobject failed"); // 抛出网络失败异常
}
}
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
commitUpdate(); // 先提交之前的所有更新
try {
// 创建用于POST请求的JSON对象
JSONObject jsPost = new JSONObject();
// 创建动作列表的JSONArray
JSONArray actionList = new JSONArray();
// 创建动作的JSONObject
JSONObject action = new JSONObject();
// action_list
// action_list // 设置动作类型为获取所有任务
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid);
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false);
actionList.put(action);
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL); // 设置动作ID
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId()); // 设置任务列表ID
action.put(GTaskStringUtils.GTASK_JSON_LIST_ID, listGid); // 设置是否获取已删除任务，此处为否
action.put(GTaskStringUtils.GTASK_JSON_GET_DELETED, false); // 将动作添加到动作列表中
actionList.put(action); // 将动作列表添加到POST请求的JSON对象中
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 添加客户端版本信息
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost);
// 发送POST请求并获取响应
JSONObject jsResponse = postRequest(jsPost); // 从响应中获取任务数组
return jsResponse.getJSONArray(GTaskStringUtils.GTASK_JSON_TASKS);
} catch (JSONException e) {
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("get task list: handing jsonobject failed");
Log.e(TAG, e.toString()); // 记录JSON异常
e.printStackTrace(); // 打印异常堆栈信息
throw new ActionFailureException("get task list: handing jsonobject failed"); // 抛出操作失败异常
}
}

287
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskManager.java
Unescape View File

@ -87,19 +87,20 @@ public class GTaskManager {
private HashMap<Long, String> mNidToGid;
private GTaskManager() {
mSyncing = false;
mCancelled = false;
mGTaskListHashMap = new HashMap<String, TaskList>();
private GTaskManager() { //对象初始化函数
mSyncing = false; //正在同步,flase代表未执行
mCancelled = false; //全局标识，flase代表可以执行
mGTaskListHashMap = new HashMap<String, TaskList>(); //<>代表Java的泛型,就是创建一个用类型作为参数的类。
mGTaskHashMap = new HashMap<String, Node>();
mMetaHashMap = new HashMap<String, MetaData>();
mMetaList = null;
mLocalDeleteIdMap = new HashSet<Long>();
mGidToNid = new HashMap<String, Long>();
mNidToGid = new HashMap<Long, String>();
mGidToNid = new HashMap<String, Long>(); //GoogleID to NodeID??
mNidToGid = new HashMap<Long, String>(); //NodeID to GoogleID???通过hashmap散列表建立映射
}
public static synchronized GTaskManager getInstance() {
public static synchronized GTaskManager getInstance() {//可能运行在多线程环境下，使用语言级同步--synchronized
if (mInstance == null) {
mInstance = new GTaskManager();
}
@ -107,19 +108,22 @@ public class GTaskManager {
}
public synchronized void setActivityContext(Activity activity) {
// used for getting authtoken
// 保存Activity实例，用于后续获取认证令牌
mActivity = activity;
}
public int sync(Context context, GTaskASyncTask asyncTask) {
// 检查是否正在同步，如果是，则记录日志并返回同步进行中的状态码
if (mSyncing) {
Log.d(TAG, "Sync is in progress");
return STATE_SYNC_IN_PROGRESS;
}
// 初始化同步相关的上下文和变量
mContext = context;
mContentResolver = mContext.getContentResolver();
mSyncing = true;
mCancelled = false;
// 清空所有映射和列表，为新的同步操作做准备
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
@ -128,34 +132,42 @@ public class GTaskManager {
mNidToGid.clear();
try {
// 获取GTaskClient单例并重置更新数组
GTaskClient client = GTaskClient.getInstance();
client.resetUpdateArray();
// login google task
// 如果同步未取消，尝试登录Google任务服务
if (!mCancelled) {
if (!client.login(mActivity)) {
// 登录失败，抛出网络失败异常
throw new NetworkFailureException("login google task failed");
}
}
// get the task list from google
// 发布初始化任务列表的进度信息
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_init_list));
// 初始化Google任务列表
initGTaskList();
// do content sync work
// 发布同步内容的进度信息
asyncTask.publishProgess(mContext.getString(R.string.sync_progress_syncing));
// 执行内容同步
syncContent();
} catch (NetworkFailureException e) {
// 捕获网络失败异常，记录错误日志并返回网络错误状态码
Log.e(TAG, e.toString());
return STATE_NETWORK_ERROR;
} catch (ActionFailureException e) {
// 捕获操作失败异常，记录错误日志并返回内部错误状态码
Log.e(TAG, e.toString());
return STATE_INTERNAL_ERROR;
} catch (Exception e) {
// 捕获其他异常，记录错误日志、打印堆栈跟踪并返回内部错误状态码
Log.e(TAG, e.toString());
e.printStackTrace();
return STATE_INTERNAL_ERROR;
} finally {
// 无论是否发生异常，都清空所有映射和列表，并设置同步标志为false
mGTaskListHashMap.clear();
mGTaskHashMap.clear();
mMetaHashMap.clear();
@ -165,34 +177,35 @@ public class GTaskManager {
mSyncing = false;
}
// 根据是否取消同步，返回相应的状态码
return mCancelled ? STATE_SYNC_CANCELLED : STATE_SUCCESS;
}
private void initGTaskList() throws NetworkFailureException {
// 如果同步已被取消，直接返回
if (mCancelled)
return;
// 获取GTaskClient单例
GTaskClient client = GTaskClient.getInstance();
try {
// 从客户端获取任务列表的JSONArray
JSONArray jsTaskLists = client.getTaskLists();
// init meta list first
// 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);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
if (name
.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
// 检查是否为元数据文件夹
if (name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
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);
MetaData metaData = new MetaData();
metaData.setContentByRemoteJSON(object);
// 如果元数据值得保存，添加到元数据列表并更新映射
if (metaData.isWorthSaving()) {
mMetaList.addChildTask(metaData);
if (metaData.getGid() != null) {
@ -202,36 +215,33 @@ public class GTaskManager {
}
}
}
// create meta list if not existed
// 如果元数据列表不存在，则创建它
if (mMetaList == null) {
mMetaList = new TaskList();
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META);
mMetaList.setName(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META);
GTaskClient.getInstance().createTaskList(mMetaList);
}
// init task list
// 初始化普通任务列表
for (int i = 0; i < jsTaskLists.length(); i++) {
JSONObject object = jsTaskLists.getJSONObject(i);
String gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
String name = object.getString(GTaskStringUtils.GTASK_JSON_NAME);
// 忽略元数据文件夹，处理其他任务列表
if (name.startsWith(GTaskStringUtils.MIUI_FOLDER_PREFFIX)
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_META)) {
&& !name.equals(GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_META)) {
TaskList tasklist = new TaskList();
tasklist.setContentByRemoteJSON(object);
// 更新任务列表映射
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);
gid = object.getString(GTaskStringUtils.GTASK_JSON_ID);
Task task = new Task();
task.setContentByRemoteJSON(object);
// 如果任务值得保存，设置元信息并添加到任务列表
if (task.isWorthSaving()) {
task.setMetaInfo(mMetaHashMap.get(gid));
tasklist.addChildTask(task);
@ -241,102 +251,104 @@ public class GTaskManager {
}
}
} catch (JSONException e) {
// 捕获JSON解析异常，记录错误日志，打印堆栈跟踪，并抛出操作失败异常
Log.e(TAG, e.toString());
e.printStackTrace();
throw new ActionFailureException("initGTaskList: handing JSONObject failed");
}
}
private void syncContent() throws NetworkFailureException {
private void syncContent() throws NetworkFailureException { // 定义同步类型变量、游标、Google任务ID和节点对象
int syncType;
Cursor c = null;
String gid;
Node node;
// 清空本地删除的ID映射，为同步做准备
mLocalDeleteIdMap.clear();
// 检查同步是否已被取消，如果取消则直接返回，不进行后续操作
if (mCancelled) {
return;
}
// 处理本地删除的笔记
// for local deleted note
try {
try { // 查询非系统类型且父ID为垃圾文件夹的笔记，即本地已删除的笔记
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id=?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, null);
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
while (c.moveToNext()) { // 获取Google任务ID
gid = c.getString(SqlNote.GTASK_ID_COLUMN); // 根据Google任务ID获取节点对象
node = mGTaskHashMap.get(gid);
if (node != null) {
if (node != null) { // 如果节点存在，从映射中移除并执行远程删除同步
mGTaskHashMap.remove(gid);
doContentSync(Node.SYNC_ACTION_DEL_REMOTE, node, c);
}
// 将本地删除的笔记ID添加到映射中，用于后续批量删除
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
}
} else {
} else { // 如果查询失败，记录警告日志
Log.w(TAG, "failed to query trash folder");
}
} finally {
// 确保游标被关闭，避免资源泄漏
if (c != null) {
c.close();
c = null;
}
}
// sync folder first
// 同步文件夹，确保文件夹结构是最新的
syncFolder();
// for note existing in database
try {
// 处理数据库中现有的笔记
try { // 查询类型为笔记且父ID不是垃圾文件夹的笔记，即需要同步的现有笔记
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_NOTE), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
while (c.moveToNext()) { // 获取Google任务ID
gid = c.getString(SqlNote.GTASK_ID_COLUMN); // 根据Google任务ID获取节点对象
node = mGTaskHashMap.get(gid);
if (node != null) {
if (node != null) { // 如果节点存在，从映射中移除，并更新GID与NID的映射关系
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
syncType = node.getSyncAction(c); // 获取同步类型
} else { // 如果节点不存在，判断是本地新增还是远程删除
if (c.getString(SqlNote.GTASK_ID_COLUMN).trim().length() == 0) {
// local add
// local add // 本地新增，需要添加到远程
syncType = Node.SYNC_ACTION_ADD_REMOTE;
} else {
// remote delete
// 远程删除，需要从本地删除
syncType = Node.SYNC_ACTION_DEL_LOCAL;
}
}
// 远程删除，需要从本地删除
doContentSync(syncType, node, c);
}
} else {
} else { // 如果查询失败，记录警告日志
Log.w(TAG, "failed to query existing note in database");
}
} finally {
} finally { // 确保游标被关闭，避免资源泄漏
if (c != null) {
c.close();
c = null;
}
}
// go through remaining items
// 处理剩余的项目，即那些在本地没有对应项的远程节点
Iterator<Map.Entry<String, Node>> iter = mGTaskHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, Node> entry = iter.next();
node = entry.getValue();
node = entry.getValue(); // 将这些远程节点添加到本地
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
// 检查同步是否已被取消，如果未取消，则执行以下操作
if (!mCancelled) {
if (!DataUtils.batchDeleteNotes(mContentResolver, mLocalDeleteIdMap)) {
throw new ActionFailureException("failed to batch-delete local deleted notes");
@ -352,130 +364,154 @@ public class GTaskManager {
}
private void syncFolder() throws NetworkFailureException {
Cursor c = null;
String gid;
Node node;
int syncType;
Cursor c = null; // 用于数据库查询的游标
String gid; // Google任务ID
Node node; // 节点对象，代表文件夹或笔记
int syncType; // 同步类型
// 检查同步是否已被取消，如果取消则直接返回，不进行后续操作
if (mCancelled) {
return;
}
// for root folder
// 同步根文件夹
try {
// 查询根文件夹的信息
c = mContentResolver.query(ContentUris.withAppendedId(Notes.CONTENT_NOTE_URI,
Notes.ID_ROOT_FOLDER), SqlNote.PROJECTION_NOTE, null, null, null);
if (c != null) {
c.moveToNext();
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (c != null && c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN); // 获取根文件夹的Google任务ID
node = mGTaskHashMap.get(gid); // 根据ID获取对应的节点对象
if (node != null) {
// 如果节点存在，更新映射关系并检查是否需要更新远程名称
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
// 只有在远程名称与预期不符时才更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
// 如果节点不存在，添加到远程
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
} else {
// 如果查询失败，记录警告日志
Log.w(TAG, "failed to query root folder");
}
} finally {
// 确保游标被关闭，避免资源泄漏
if (c != null) {
c.close();
c = null;
}
}
// for call-note folder
// 同步通话记录文件夹
try {
// 查询通话记录文件夹的信息
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE, "(_id=?)",
new String[] {
String.valueOf(Notes.ID_CALL_RECORD_FOLDER)
}, null);
if (c != null) {
if (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
if (c != null && c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN); // 获取通话记录文件夹的Google任务ID
node = mGTaskHashMap.get(gid); // 根据ID获取对应的节点对象
if (node != null) {
// 如果节点存在，更新映射关系并检查是否需要更新远程名称
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
// 只有在远程名称与预期不符时才更新远程名称
if (!node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX
+ GTaskStringUtils.FOLDER_CALL_NOTE))
doContentSync(Node.SYNC_ACTION_UPDATE_REMOTE, node, c);
} else {
// 如果节点不存在，添加到远程
doContentSync(Node.SYNC_ACTION_ADD_REMOTE, node, c);
}
}
} else {
// 如果查询失败，记录警告日志
Log.w(TAG, "failed to query call note folder");
}
} finally {
// 确保游标被关闭，避免资源泄漏
if (c != null) {
c.close();
c = null;
}
}
}
// for local existing folders
try {
// 查询所有非垃圾箱文件夹的笔记
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type=? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_FOLDER), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
// 遍历查询结果
while (c.moveToNext()) {
gid = c.getString(SqlNote.GTASK_ID_COLUMN);
node = mGTaskHashMap.get(gid);
gid = c.getString(SqlNote.GTASK_ID_COLUMN); // 获取Google任务ID
node = mGTaskHashMap.get(gid); // 根据ID获取对应的节点对象
if (node != null) {
// 如果节点存在，更新映射关系并获取同步类型
mGTaskHashMap.remove(gid);
mGidToNid.put(gid, c.getLong(SqlNote.ID_COLUMN));
mNidToGid.put(c.getLong(SqlNote.ID_COLUMN), gid);
syncType = node.getSyncAction(c);
} else {
// 如果节点不存在，根据GTASK_ID判断是本地新增还是远程删除
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;
}
}
// 执行内容同步
doContentSync(syncType, node, c);
}
} else {
// 如果查询失败，记录警告日志
Log.w(TAG, "failed to query existing folder");
}
} finally {
// 确保游标被关闭，避免资源泄漏
if (c != null) {
c.close();
c = null;
}
}
// for remote add folders
// 同步远程新增的文件夹
Iterator<Map.Entry<String, TaskList>> iter = mGTaskListHashMap.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry<String, TaskList> entry = iter.next();
gid = entry.getKey();
node = entry.getValue();
gid = entry.getKey(); // 获取Google任务ID
node = entry.getValue(); // 获取对应的任务列表节点
if (mGTaskHashMap.containsKey(gid)) {
// 如果本地映射中包含该ID，说明是远程新增的文件夹
mGTaskHashMap.remove(gid);
// 执行内容同步，添加到本地
doContentSync(Node.SYNC_ACTION_ADD_LOCAL, node, null);
}
}
// 如果同步未被取消，提交更新
if (!mCancelled)
GTaskClient.getInstance().commitUpdate();
}
/**
* 根据同步类型执行具体的同步操作，包括本地和远程的添加、删除、更新等。
* @param syncType 同步类型，指示执行的操作
* @param node 需要同步的节点对象
* @param c 游标，用于读取数据库中的数据
* @throws NetworkFailureException 如果网络操作失败
*/
private void doContentSync(int syncType, Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -484,12 +520,15 @@ public class GTaskManager {
MetaData meta;
switch (syncType) {
case Node.SYNC_ACTION_ADD_LOCAL:
// 添加本地节点
addLocalNode(node);
break;
case Node.SYNC_ACTION_ADD_REMOTE:
// 添加远程节点
addRemoteNode(node, c);
break;
case Node.SYNC_ACTION_DEL_LOCAL:
// 删除本地节点
meta = mMetaHashMap.get(c.getString(SqlNote.GTASK_ID_COLUMN));
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
@ -497,6 +536,7 @@ public class GTaskManager {
mLocalDeleteIdMap.add(c.getLong(SqlNote.ID_COLUMN));
break;
case Node.SYNC_ACTION_DEL_REMOTE:
// 删除远程节点
meta = mMetaHashMap.get(node.getGid());
if (meta != null) {
GTaskClient.getInstance().deleteNode(meta);
@ -504,21 +544,24 @@ public class GTaskManager {
GTaskClient.getInstance().deleteNode(node);
break;
case Node.SYNC_ACTION_UPDATE_LOCAL:
// 更新本地节点
updateLocalNode(node, c);
break;
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
// 处理更新冲突，目前简单使用本地更新
updateRemoteNode(node, c);
break;
case Node.SYNC_ACTION_NONE:
// 无操作
break;
case Node.SYNC_ACTION_ERROR:
default:
throw new ActionFailureException("unkown sync action type");
// 未知同步操作类型，抛出异常
throw new ActionFailureException("unknown sync action type");
}
}
@ -529,6 +572,7 @@ public class GTaskManager {
SqlNote sqlNote;
if (node instanceof TaskList) {
// 如果节点是任务列表，根据名称判断是否为特殊文件夹
if (node.getName().equals(
GTaskStringUtils.MIUI_FOLDER_PREFFIX + GTaskStringUtils.FOLDER_DEFAULT)) {
sqlNote = new SqlNote(mContext, Notes.ID_ROOT_FOLDER);
@ -541,15 +585,17 @@ public class GTaskManager {
sqlNote.setParentId(Notes.ID_ROOT_FOLDER);
}
} else {
// 如果节点是任务，创建新的SqlNote并设置内容
sqlNote = new SqlNote(mContext);
JSONObject js = node.getLocalJSONFromContent();
try {
// 检查并处理ID冲突
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ID
note.remove(NoteColumns.ID);
}
}
@ -562,13 +608,11 @@ 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ID
data.remove(DataColumns.ID);
}
}
}
}
} catch (JSONException e) {
Log.w(TAG, e.toString());
@ -576,13 +620,13 @@ public class GTaskManager {
}
sqlNote.setContent(js);
// 设置父节点ID
Long parentId = mGidToNid.get(((Task) node).getParent().getGid());
if (parentId == null) {
Log.e(TAG, "cannot find task's parent id locally");
throw new ActionFailureException("cannot add local node");
}
sqlNote.setParentId(parentId.longValue());
}
// create the local node
sqlNote.setGtaskId(node.getGid());
@ -596,16 +640,18 @@ public class GTaskManager {
updateRemoteMeta(node.getGid(), sqlNote);
}
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());
// 获取父节点ID
Long parentId = (node instanceof Task) ? mGidToNid.get(((Task) node).getParent().getGid())
: new Long(Notes.ID_ROOT_FOLDER);
if (parentId == null) {
@ -615,10 +661,16 @@ public class GTaskManager {
sqlNote.setParentId(parentId.longValue());
sqlNote.commit(true);
// update meta info
// 更新远程元信息
updateRemoteMeta(node.getGid(), sqlNote);
}
/**
* 添加远程节点，将本地节点的更改同步到远程服务器。
* @param node 需要添加的节点对象
* @param c 游标，用于读取数据库中的数据
* @throws NetworkFailureException 如果网络操作失败
*/
private void addRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -627,11 +679,12 @@ public class GTaskManager {
SqlNote sqlNote = new SqlNote(mContext, c);
Node n;
// update remotely
// 更新远程服务器
if (sqlNote.isNoteType()) {
Task task = new Task();
task.setContentByLocalJSON(sqlNote.getContent());
// 获取父任务列表的GID
String parentGid = mNidToGid.get(sqlNote.getParentId());
if (parentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
@ -642,12 +695,12 @@ public class GTaskManager {
GTaskClient.getInstance().createTask(task);
n = (Node) task;
// add meta
// 添加元信息
updateRemoteMeta(task.getGid(), sqlNote);
} else {
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;
@ -671,7 +724,7 @@ public class GTaskManager {
}
}
// no match we can add now
// 如果没有匹配的文件夹，则添加新的任务列表
if (tasklist == null) {
tasklist = new TaskList();
tasklist.setContentByLocalJSON(sqlNote.getContent());
@ -681,17 +734,23 @@ 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GID和ID的映射
mGidToNid.put(n.getGid(), sqlNote.getId());
mNidToGid.put(sqlNote.getId(), n.getGid());
}
/**
* 更新远程节点，将本地节点的更改同步到远程服务器。
* @param node 需要更新的节点对象
* @param c 游标，用于读取数据库中的数据
* @throws NetworkFailureException 如果网络操作失败
*/
private void updateRemoteNode(Node node, Cursor c) throws NetworkFailureException {
if (mCancelled) {
return;
@ -699,18 +758,19 @@ public class GTaskManager {
SqlNote sqlNote = new SqlNote(mContext, c);
// update remotely
// 使用本地JSON内容更新远程节点
node.setContentByLocalJSON(sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(node);
// update meta
// 更新远程元信息
updateRemoteMeta(node.getGid(), sqlNote);
// move task if necessary
// 如果是笔记类型，可能需要移动任务
if (sqlNote.isNoteType()) {
Task task = (Task) node;
TaskList preParentList = task.getParent();
// 获取当前父任务列表的GID
String curParentGid = mNidToGid.get(sqlNote.getParentId());
if (curParentGid == null) {
Log.e(TAG, "cannot find task's parent tasklist");
@ -718,6 +778,7 @@ public class GTaskManager {
}
TaskList curParentList = mGTaskListHashMap.get(curParentGid);
// 如果父任务列表发生变化，则移动任务
if (preParentList != curParentList) {
preParentList.removeChildTask(task);
curParentList.addChildTask(task);
@ -725,18 +786,26 @@ public class GTaskManager {
}
}
// clear local modified flag
// 清除本地修改标志并提交更改
sqlNote.resetLocalModified();
sqlNote.commit(true);
}
/**
* 更新远程元信息，确保本地和远程数据的一致性。
* @param gid 节点的全球唯一标识符
* @param sqlNote 本地笔记对象
* @throws NetworkFailureException 如果网络操作失败
*/
private void updateRemoteMeta(String gid, SqlNote sqlNote) throws NetworkFailureException {
if (sqlNote != null && sqlNote.isNoteType()) {
MetaData metaData = mMetaHashMap.get(gid);
if (metaData != null) {
// 更新现有元信息
metaData.setMeta(gid, sqlNote.getContent());
GTaskClient.getInstance().addUpdateNode(metaData);
} else {
// 创建新的元信息
metaData = new MetaData();
metaData.setMeta(gid, sqlNote.getContent());
mMetaList.addChildTask(metaData);
@ -746,12 +815,13 @@ public class GTaskManager {
}
}
private void refreshLocalSyncId() throws NetworkFailureException {
if (mCancelled) {
return;
}
// get the latest gtask list
// 清除旧的数据映射并重新初始化远程任务列表
mGTaskHashMap.clear();
mGTaskListHashMap.clear();
mMetaHashMap.clear();
@ -759,30 +829,36 @@ public class GTaskManager {
Cursor c = null;
try {
// 查询所有非系统且非垃圾箱的笔记
c = mContentResolver.query(Notes.CONTENT_NOTE_URI, SqlNote.PROJECTION_NOTE,
"(type<>? AND parent_id<>?)", new String[] {
String.valueOf(Notes.TYPE_SYSTEM), String.valueOf(Notes.ID_TRASH_FOLER)
}, NoteColumns.TYPE + " DESC");
if (c != null) {
while (c.moveToNext()) {
// 获取笔记的GID
String gid = c.getString(SqlNote.GTASK_ID_COLUMN);
Node node = mGTaskHashMap.get(gid);
if (node != null) {
// 更新本地数据库中的同步ID为远程节点的最后修改时间
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 {
// 如果找不到对应的远程节点，记录错误并抛出异常
Log.e(TAG, "something is missed");
throw new ActionFailureException(
"some local items don't have gid after sync");
}
}
} else {
// 如果查询失败，记录警告
Log.w(TAG, "failed to query local note to refresh sync id");
}
} finally {
// 确保游标被关闭以避免资源泄漏
if (c != null) {
c.close();
c = null;
@ -790,6 +866,7 @@ public class GTaskManager {
}
}
public String getSyncAccount() {
return GTaskClient.getInstance().getSyncAccount().name;
}

62
src/Notes-master/src/net/micode/notes/gtask/remote/GTaskSyncService.java
Unescape View File

@ -42,17 +42,31 @@ public class GTaskSyncService extends Service {
private static String mSyncProgress = "";
public class GTaskSyncService extends Service {
// 定义广播动作和 extras 的键
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;
public final static String GTASK_SERVICE_BROADCAST_NAME = "net.micode.notes.gtask.sync_broadcast";
public final static String GTASK_SERVICE_BROADCAST_IS_SYNCING = "is_syncing";
public final static String GTASK_SERVICE_BROADCAST_PROGRESS_MSG = "progressMsg";
// 同步任务和进度信息
private static GTaskASyncTask mSyncTask = null;
private static String mSyncProgress = "";
private void startSync() {
if (mSyncTask == null) {
mSyncTask = new GTaskASyncTask(this, new GTaskASyncTask.OnCompleteListener() {
public void onComplete() {
mSyncTask = null;
sendBroadcast("");
stopSelf();
sendBroadcast(""); // 发送同步完成广播
stopSelf(); // 停止服务
}
});
sendBroadcast("");
mSyncTask.execute();
sendBroadcast(""); // 发送同步开始广播
mSyncTask.execute(); // 执行同步任务
}
}
@ -64,7 +78,7 @@ public class GTaskSyncService extends Service {
@Override
public void onCreate() {
mSyncTask = null;
mSyncTask = null; // 初始化同步任务为空
}
@Override
@ -73,15 +87,15 @@ public class GTaskSyncService extends Service {
if (bundle != null && bundle.containsKey(ACTION_STRING_NAME)) {
switch (bundle.getInt(ACTION_STRING_NAME, ACTION_INVALID)) {
case ACTION_START_SYNC:
startSync();
startSync(); // 处理开始同步动作
break;
case ACTION_CANCEL_SYNC:
cancelSync();
cancelSync(); // 处理取消同步动作
break;
default:
break;
}
return START_STICKY;
return START_STICKY; // 确保服务被持续运行
}
return super.onStartCommand(intent, flags, startId);
}
@ -89,40 +103,62 @@ public class GTaskSyncService extends Service {
@Override
public void onLowMemory() {
if (mSyncTask != null) {
mSyncTask.cancelSync();
mSyncTask.cancelSync(); // 低内存时取消同步任务
}
}
@Override
public IBinder onBind(Intent intent) {
return null;
return null; // 不支持绑定
}
/**
* 发送广播来通知同步状态和进度。
* @param msg 进度信息
*/
public void sendBroadcast(String msg) {
mSyncProgress = msg;
Intent intent = new Intent(GTASK_SERVICE_BROADCAST_NAME);
intent.putExtra(GTASK_SERVICE_BROADCAST_IS_SYNCING, mSyncTask != null);
intent.putExtra(GTASK_SERVICE_BROADCAST_PROGRESS_MSG, msg);
sendBroadcast(intent);
sendBroadcast(intent); // 发送广播
}
/**
* 从 Activity 启动同步服务。
* @param activity Activity 上下文
*/
public static void startSync(Activity activity) {
GTaskManager.getInstance().setActivityContext(activity);
Intent intent = new Intent(activity, GTaskSyncService.class);
intent.putExtra(GTaskSyncService.ACTION_STRING_NAME, GTaskSyncService.ACTION_START_SYNC);
activity.startService(intent);
activity.startService(intent); // 启动服务
}
/**
* 从 Context 取消同步服务。
* @param context Context 上下文
*/
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);
context.startService(intent); // 启动服务以发送取消动作
}
/**
* 检查是否正在同步。
* @return true 如果正在同步，否则 false
*/
public static boolean isSyncing() {
return mSyncTask != null;
}
/**
* 获取当前的同步进度信息。
* @return 同步进度信息字符串
*/
public static String getProgressString() {
return mSyncProgress;
}
}

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