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Author SHA1 Message Date
cnz bf78b7bbce 袁哲注释
3 months ago
cnz c4cdb6a375 袁哲注释
3 months ago
cnz e65def95fd 1
5 months ago
3 changed files with 199 additions and 89 deletions
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105
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)
*
@ -15,7 +14,9 @@
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
//这个类封装了Google任务同步的所有逻辑，包括后台执行、进度通知、错误处理和结果反馈，为应用提供了完整的同步功能实现。
package net.micode.notes.gtask.remote;//导入包
import android.app.Notification;
import android.app.NotificationManager;
@ -28,23 +29,32 @@ import net.micode.notes.R;
import net.micode.notes.ui.NotesListActivity;
import net.micode.notes.ui.NotesPreferenceActivity;
/**
* Google任务同步的异步任务类，继承自AsyncTask
* 用于在后台执行同步操作并显示通知
*/
public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
// 同步通知的唯一ID
private static int GTASK_SYNC_NOTIFICATION_ID = 5234235;
/**
* 同步完成回调接口
*/
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; // 完成监听器
/**
* 构造函数
* @param context 上下文
* @param listener 完成监听器
*/
public GTaskASyncTask(Context context, OnCompleteListener listener) {
mContext = context;
mOnCompleteListener = listener;
@ -53,67 +63,112 @@ public class GTaskASyncTask extends AsyncTask<Void, String, Integer> {
mTaskManager = GTaskManager.getInstance();
}
/**
* 取消同步操作
*/
public void cancelSync() {
mTaskManager.cancelSync();
}
/**
* 发布进度更新
* @param message 进度消息
*/
public void publishProgess(String message) {
publishProgress(new String[] {
message
});
publishProgress(new String[] { message });
}
/**
* 显示通知
* @param tickerId 通知标题资源ID
* @param content 通知内容
*/
private void showNotification(int tickerId, String content) {
Notification notification = new Notification(R.drawable.notification, mContext
.getString(tickerId), System.currentTimeMillis());
// 创建通知对象
Notification notification = new Notification(R.drawable.notification,
mContext.getString(tickerId), System.currentTimeMillis());
// 设置通知属性
notification.defaults = Notification.DEFAULT_LIGHTS;
notification.flags = Notification.FLAG_AUTO_CANCEL;
// 根据通知类型设置不同的PendingIntent
PendingIntent pendingIntent;
if (tickerId != R.string.ticker_success) {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesPreferenceActivity.class), 0);
// 失败时跳转到设置页面
pendingIntent = PendingIntent.getActivity(mContext, 0,
new Intent(mContext, NotesPreferenceActivity.class), 0);
} else {
pendingIntent = PendingIntent.getActivity(mContext, 0, new Intent(mContext,
NotesListActivity.class), 0);
// 成功时跳转到笔记列表
pendingIntent = PendingIntent.getActivity(mContext, 0,
new Intent(mContext, NotesListActivity.class), 0);
}
notification.setLatestEventInfo(mContext, mContext.getString(R.string.app_name), content,
pendingIntent);
// 设置通知内容
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
* @param unused 未使用的参数
* @return 同步结果状态码
*/
@Override
protected Integer doInBackground(Void... unused) {
publishProgess(mContext.getString(R.string.sync_progress_login, NotesPreferenceActivity
.getSyncAccountName(mContext)));
// 发布登录进度
publishProgess(mContext.getString(R.string.sync_progress_login,
NotesPreferenceActivity.getSyncAccountName(mContext)));
// 执行同步并返回结果
return mTaskManager.sync(mContext, this);
}
/**
* 进度更新回调
* @param progress 进度消息数组
*/
@Override
protected void onProgressUpdate(String... progress) {
// 显示同步中的通知
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]);
}
}
/**
* 同步完成后回调
* @param result 同步结果状态码
*/
@Override
protected void onPostExecute(Integer result) {
// 根据不同的结果状态显示不同的通知
if (result == GTaskManager.STATE_SUCCESS) {
// 同步成功
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) {
// 网络错误
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_network));
} else if (result == GTaskManager.STATE_INTERNAL_ERROR) {
// 内部错误
showNotification(R.string.ticker_fail, mContext.getString(R.string.error_sync_internal));
} else if (result == GTaskManager.STATE_SYNC_CANCELLED) {
// 同步取消
showNotification(R.string.ticker_cancel, mContext
.getString(R.string.error_sync_cancelled));
}
// 调用完成监听器
if (mOnCompleteListener != null) {
new Thread(new Runnable() {
public void run() {
mOnCompleteListener.onComplete();
}

179
src/net/micode/notes/gtask/remote/GTaskClient.java
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@ -14,7 +14,9 @@
* limitations under the License.
*/
package net.micode.notes.gtask.remote;
//这个类实现了完整的Google Tasks API客户端功能，为上层应用提供了简洁的接口来管理Google任务数据。
package net.micode.notes.gtask.remote;//导入包
import android.accounts.Account;
import android.accounts.AccountManager;
@ -60,36 +62,33 @@ import java.util.zip.GZIPInputStream;
import java.util.zip.Inflater;
import java.util.zip.InflaterInputStream;
/**
* Google任务客户端类，负责与Google Tasks API交互
*/
public class GTaskClient {
private static final String TAG = GTaskClient.class.getSimpleName();
// Google任务相关URL常量
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 static GTaskClient mInstance = null; // 单例实例
// HTTP客户端和相关属性
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 long mClientVersion; // 客户端版本
private boolean mLoggedin; // 登录状态
private long mLastLoginTime; // 最后登录时间
private int mActionId; // 动作ID计数器
private Account mAccount; // 当前账户
private JSONArray mUpdateArray; // 待更新的动作数组
/**
* 私有构造函数
*/
private GTaskClient() {
mHttpClient = null;
mGetUrl = GTASK_GET_URL;
@ -102,6 +101,9 @@ public class GTaskClient {
mUpdateArray = null;
}
/**
* 获取单例实例
*/
public static synchronized GTaskClient getInstance() {
if (mInstance == null) {
mInstance = new GTaskClient();
@ -109,18 +111,21 @@ public class GTaskClient {
return mInstance;
}
/**
* 登录Google任务
* @param activity 活动上下文
* @return 是否登录成功
*/
public boolean login(Activity activity) {
// we suppose that the cookie would expire after 5 minutes
// then we need to re-login
// 检查cookie是否过期(5分钟)
final long interval = 1000 * 60 * 5;
if (mLastLoginTime + interval < System.currentTimeMillis()) {
mLoggedin = false;
}
// need to re-login after account switch
if (mLoggedin
&& !TextUtils.equals(getSyncAccount().name, NotesPreferenceActivity
.getSyncAccountName(activity))) {
// 检查账户是否变更
if (mLoggedin && !TextUtils.equals(getSyncAccount().name,
NotesPreferenceActivity.getSyncAccountName(activity))) {
mLoggedin = false;
}
@ -130,15 +135,16 @@ public class GTaskClient {
}
mLastLoginTime = System.currentTimeMillis();
// 获取Google账户认证令牌
String authToken = loginGoogleAccount(activity, false);
if (authToken == null) {
Log.e(TAG, "login google account failed");
return false;
}
// login with custom domain if necessary
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") || mAccount.name.toLowerCase()
.endsWith("googlemail.com"))) {
// 处理自定义域名账户(非gmail.com/googlemail.com)
if (!(mAccount.name.toLowerCase().endsWith("gmail.com") ||
mAccount.name.toLowerCase().endsWith("googlemail.com"))) {
StringBuilder url = new StringBuilder(GTASK_URL).append("a/");
int index = mAccount.name.indexOf('@') + 1;
String suffix = mAccount.name.substring(index);
@ -151,7 +157,7 @@ public class GTaskClient {
}
}
// try to login with google official url
// 尝试使用官方Google URL登录
if (!mLoggedin) {
mGetUrl = GTASK_GET_URL;
mPostUrl = GTASK_POST_URL;
@ -164,6 +170,9 @@ public class GTaskClient {
return true;
}
/**
* 登录Google账户获取认证令牌
*/
private String loginGoogleAccount(Activity activity, boolean invalidateToken) {
String authToken;
AccountManager accountManager = AccountManager.get(activity);
@ -174,6 +183,7 @@ public class GTaskClient {
return null;
}
// 获取设置中配置的同步账户
String accountName = NotesPreferenceActivity.getSyncAccountName(activity);
Account account = null;
for (Account a : accounts) {
@ -189,7 +199,7 @@ public class GTaskClient {
return null;
}
// get the token now
// 获取认证令牌
AccountManagerFuture<Bundle> accountManagerFuture = accountManager.getAuthToken(account,
"goanna_mobile", null, activity, null, null);
try {
@ -207,10 +217,12 @@ public class GTaskClient {
return authToken;
}
/**
* 尝试登录Google任务
*/
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
// 令牌可能过期，尝试重新获取
authToken = loginGoogleAccount(activity, true);
if (authToken == null) {
Log.e(TAG, "login google account failed");
@ -225,7 +237,11 @@ public class GTaskClient {
return true;
}
/**
* 实际执行Google任务登录
*/
private boolean loginGtask(String authToken) {
// 设置HTTP参数
int timeoutConnection = 10000;
int timeoutSocket = 15000;
HttpParams httpParameters = new BasicHttpParams();
@ -236,14 +252,13 @@ public class GTaskClient {
mHttpClient.setCookieStore(localBasicCookieStore);
HttpProtocolParams.setUseExpectContinue(mHttpClient.getParams(), false);
// login gtask
// 登录Google任务
try {
String loginUrl = mGetUrl + "?auth=" + authToken;
HttpGet httpGet = new HttpGet(loginUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
HttpResponse response = mHttpClient.execute(httpGet);
// get the cookie now
// 检查认证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
// 获取客户端版本信息
String resString = getResponseContent(response.getEntity());
String jsBegin = "_setup(";
String jsEnd = ")}</script>";
@ -272,7 +287,6 @@ public class GTaskClient {
e.printStackTrace();
return false;
} catch (Exception e) {
// simply catch all exceptions
Log.e(TAG, "httpget gtask_url failed");
return false;
}
@ -280,10 +294,16 @@ public class GTaskClient {
return true;
}
/**
* 获取下一个动作ID
*/
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 +311,9 @@ 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 +322,7 @@ public class GTaskClient {
}
InputStream input = entity.getContent();
// 处理GZIP和DEFLATE压缩
if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
input = new GZIPInputStream(entity.getContent());
} else if (contentEncoding != null && contentEncoding.equalsIgnoreCase("deflate")) {
@ -323,6 +347,9 @@ public class GTaskClient {
}
}
/**
* 发送POST请求
*/
private JSONObject postRequest(JSONObject js) throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -336,7 +363,7 @@ public class GTaskClient {
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 +387,23 @@ public class GTaskClient {
}
}
/**
* 创建任务
*/
public void createTask(Task task) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 添加创建动作
actionList.put(task.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送请求并处理响应
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
@ -386,20 +416,23 @@ public class GTaskClient {
}
}
/**
* 创建任务列表
*/
public void createTaskList(TaskList tasklist) throws NetworkFailureException {
commitUpdate();
try {
JSONObject jsPost = new JSONObject();
JSONArray actionList = new JSONArray();
// action_list
// 添加创建动作
actionList.put(tasklist.getCreateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// post
// 发送请求并处理响应
JSONObject jsResponse = postRequest(jsPost);
JSONObject jsResult = (JSONObject) jsResponse.getJSONArray(
GTaskStringUtils.GTASK_JSON_RESULTS).get(0);
@ -412,17 +445,21 @@ public class GTaskClient {
}
}
/**
* 提交所有待更新操作
*/
public void commitUpdate() throws NetworkFailureException {
if (mUpdateArray != null) {
try {
JSONObject jsPost = new JSONObject();
// action_list
// 添加待更新动作列表
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, mUpdateArray);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
// 发送请求
postRequest(jsPost);
mUpdateArray = null;
} catch (JSONException e) {
@ -433,10 +470,12 @@ public class GTaskClient {
}
}
/**
* 添加待更新节点
*/
public void addUpdateNode(Node node) throws NetworkFailureException {
if (node != null) {
// too many update items may result in an error
// set max to 10 items
// 防止更新项过多导致错误，限制最多10项
if (mUpdateArray != null && mUpdateArray.length() > 10) {
commitUpdate();
}
@ -447,6 +486,9 @@ public class GTaskClient {
}
}
/**
* 移动任务
*/
public void moveTask(Task task, TaskList preParent, TaskList curParent)
throws NetworkFailureException {
commitUpdate();
@ -455,26 +497,25 @@ public class GTaskClient {
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 设置移动动作参数
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
// 同一任务列表内移动时设置前一个兄弟节点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
// 不同任务列表间移动时设置目标列表ID
action.put(GTaskStringUtils.GTASK_JSON_DEST_LIST, curParent.getGid());
}
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
@ -486,18 +527,21 @@ 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
// 设置删除动作
node.setDeleted(true);
actionList.put(node.getUpdateAction(getActionId()));
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
postRequest(jsPost);
@ -509,6 +553,9 @@ public class GTaskClient {
}
}
/**
* 获取所有任务列表
*/
public JSONArray getTaskLists() throws NetworkFailureException {
if (!mLoggedin) {
Log.e(TAG, "please login first");
@ -517,10 +564,9 @@ public class GTaskClient {
try {
HttpGet httpGet = new HttpGet(mGetUrl);
HttpResponse response = null;
response = mHttpClient.execute(httpGet);
HttpResponse 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 +593,9 @@ public class GTaskClient {
}
}
/**
* 获取指定任务列表的所有任务
*/
public JSONArray getTaskList(String listGid) throws NetworkFailureException {
commitUpdate();
try {
@ -554,7 +603,7 @@ public class GTaskClient {
JSONArray actionList = new JSONArray();
JSONObject action = new JSONObject();
// action_list
// 设置获取全部任务动作
action.put(GTaskStringUtils.GTASK_JSON_ACTION_TYPE,
GTaskStringUtils.GTASK_JSON_ACTION_TYPE_GETALL);
action.put(GTaskStringUtils.GTASK_JSON_ACTION_ID, getActionId());
@ -563,7 +612,7 @@ public class GTaskClient {
actionList.put(action);
jsPost.put(GTaskStringUtils.GTASK_JSON_ACTION_LIST, actionList);
// client_version
// 设置客户端版本
jsPost.put(GTaskStringUtils.GTASK_JSON_CLIENT_VERSION, mClientVersion);
JSONObject jsResponse = postRequest(jsPost);
@ -575,10 +624,16 @@ 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;
}

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