package com.ch_linghu.fanfoudroid.ui.base;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import com.ch_linghu.fanfoudroid.AboutActivity;
import com.ch_linghu.fanfoudroid.PreferencesActivity;
import com.ch_linghu.fanfoudroid.R;
import com.ch_linghu.fanfoudroid.AppParam;
import com.ch_linghu.fanfoudroid.app.Preferences;
import com.ch_linghu.fanfoudroid.db.TwitterDatabase;
import com.ch_linghu.fanfoudroid.fanfou.Weibo;
import com.ch_linghu.fanfoudroid.service.TwitterService;
import com.ch_linghu.fanfoudroid.ui.LoginView;
import com.ch_linghu.fanfoudroid.ui.MainView;
/**
* A BaseActivity has common routines and variables for an Activity that
* contains a list of tweets and a text input field.
*
* Not the cleanest design, but works okay for several Activities in this app.
*/
public class BaseActivity extends Activity {
private static final String TAG = "andli";
protected SharedPreferences mPreferences;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
_onCreate(savedInstanceState);
}
// 因为onCreate方法无法返回状态，因此无法进行状态判断，
// 为了能对上层返回的信息进行判断处理，我们使用_onCreate代替真正的
// onCreate进行工作。onCreate仅在顶层调用_onCreate。
protected boolean _onCreate(Bundle savedInstanceState) {
if (AppParam.mPref.getBoolean(
Preferences.FORCE_SCREEN_ORIENTATION_PORTRAIT, false)) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
}
if (!checkIsLogedIn()) {
return false;
} else {
PreferenceManager.setDefaultValues(this, R.xml.preferences, false);
mPreferences = AppParam.mPref; // PreferenceManager.getDefaultSharedPreferences(this);
return true;
}
}
protected void handleLoggedOut() {
if (isTaskRoot()) {
showLogin();
} else {
setResult(RESULT_LOGOUT);
}
finish();
}
public TwitterDatabase getDb() {
return AppParam.mDb;
}
public Weibo getApi() {
return AppParam.mApi;
}
public SharedPreferences getPreferences() {
return mPreferences;
}
@Override
protected void onDestroy() {
super.onDestroy();
}
protected boolean isLoggedIn() {
return getApi().isLoggedIn();
}
private static final int RESULT_LOGOUT = RESULT_FIRST_USER + 1;
// Retrieve interface
// public ImageManager getImageManager() {
// return TwitterApplication.mImageManager;
// }
private void _logout() {
TwitterService.unschedule(BaseActivity.this);
getDb().clearData();
getApi().reset();
// Clear SharedPreferences
SharedPreferences.Editor editor = mPreferences.edit();
editor.clear();
editor.commit();
// TODO: 提供用户手动情况所有缓存选项
AppParam.mImageLoader.getImageManager().clear();
// TODO: cancel notifications.
TwitterService.unschedule(BaseActivity.this);
handleLoggedOut();
}
public void logout() {
Dialog dialog = new AlertDialog.Builder(BaseActivity.this)
.setTitle("提示").setMessage("确实要注销吗?")
.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
_logout();
}
}).setNegativeButton("取消", new OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
}).create();
dialog.show();
}
protected void showLogin() {
Intent intent = new Intent(this, LoginView.class);
// TODO: might be a hack?
intent.putExtra(Intent.EXTRA_INTENT, getIntent());
startActivity(intent);
}
protected void manageUpdateChecks() {
// 检查后台更新状态设置
boolean isUpdateEnabled = mPreferences.getBoolean(
Preferences.CHECK_UPDATES_KEY, false);
if (isUpdateEnabled) {
TwitterService.schedule(this);
} else if (!TwitterService.isWidgetEnabled()) {
TwitterService.unschedule(this);
}
// 检查强制竖屏设置
boolean isOrientationPortrait = mPreferences.getBoolean(
Preferences.FORCE_SCREEN_ORIENTATION_PORTRAIT, false);
if (isOrientationPortrait) {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);
} else {
setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_UNSPECIFIED);
}
}
// Menus.
protected static final int OPTIONS_MENU_ID_LOGOUT = 1;
protected static final int OPTIONS_MENU_ID_PREFERENCES = 2;
protected static final int OPTIONS_MENU_ID_ABOUT = 3;
protected static final int OPTIONS_MENU_ID_SEARCH = 4;
protected static final int OPTIONS_MENU_ID_REPLIES = 5;
protected static final int OPTIONS_MENU_ID_DM = 6;
protected static final int OPTIONS_MENU_ID_TWEETS = 7;
protected static final int OPTIONS_MENU_ID_TOGGLE_REPLIES = 8;
protected static final int OPTIONS_MENU_ID_FOLLOW = 9;
protected static final int OPTIONS_MENU_ID_UNFOLLOW = 10;
protected static final int OPTIONS_MENU_ID_IMAGE_CAPTURE = 11;
protected static final int OPTIONS_MENU_ID_PHOTO_LIBRARY = 12;
protected static final int OPTIONS_MENU_ID_EXIT = 13;
/**
* 如果增加了Option Menu常量的数量，则必须重载此方法， 以保证其他人使用常量时不产生重复
*
* @return 最大的Option Menu常量
*/
protected int getLastOptionMenuId() {
return OPTIONS_MENU_ID_EXIT;
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
super.onCreateOptionsMenu(menu);
// SubMenu submenu =
// menu.addSubMenu(R.string.write_label_insert_picture);
// submenu.setIcon(android.R.drawable.ic_menu_gallery);
//
// submenu.add(0, OPTIONS_MENU_ID_IMAGE_CAPTURE, 0,
// R.string.write_label_take_a_picture);
// submenu.add(0, OPTIONS_MENU_ID_PHOTO_LIBRARY, 0,
// R.string.write_label_choose_a_picture);
//
// MenuItem item = menu.add(0, OPTIONS_MENU_ID_SEARCH, 0,
// R.string.omenu_search);
// item.setIcon(android.R.drawable.ic_search_category_default);
// item.setAlphabeticShortcut(SearchManager.MENU_KEY);
MenuItem item;
item = menu.add(0, OPTIONS_MENU_ID_PREFERENCES, 0,
R.string.omenu_settings);
item.setIcon(android.R.drawable.ic_menu_preferences);
item = menu.add(0, OPTIONS_MENU_ID_LOGOUT, 0, R.string.omenu_signout);
item.setIcon(android.R.drawable.ic_menu_revert);
item = menu.add(0, OPTIONS_MENU_ID_ABOUT, 0, R.string.omenu_about);
item.setIcon(android.R.drawable.ic_menu_info_details);
item = menu.add(0, OPTIONS_MENU_ID_EXIT, 0, R.string.omenu_exit);
item.setIcon(android.R.drawable.ic_menu_close_clear_cancel);
return true;
}
protected static final int REQUEST_CODE_LAUNCH_ACTIVITY = 0;
protected static final int REQUEST_CODE_PREFERENCES = 1;
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case OPTIONS_MENU_ID_LOGOUT:
logout();
return true;
case OPTIONS_MENU_ID_SEARCH:
onSearchRequested();
return true;
case OPTIONS_MENU_ID_PREFERENCES:
Intent launchPreferencesIntent = new Intent().setClass(this,
PreferencesActivity.class);
startActivityForResult(launchPreferencesIntent,
REQUEST_CODE_PREFERENCES);
return true;
case OPTIONS_MENU_ID_ABOUT:
// AboutDialog.show(this);
Intent intent = new Intent().setClass(this, AboutActivity.class);
startActivity(intent);
return true;
case OPTIONS_MENU_ID_EXIT:
exit();
return true;
}
return super.onOptionsItemSelected(item);
}
protected void exit() {
TwitterService.unschedule(this);
Intent i = new Intent(Intent.ACTION_MAIN);
i.addCategory(Intent.CATEGORY_HOME);
startActivity(i);
}
protected void launchActivity(Intent intent) {
// TODO: probably don't need this result chaining to finish upon logout.
// since the subclasses have to check in onResume.
startActivityForResult(intent, REQUEST_CODE_LAUNCH_ACTIVITY);
}
protected void launchDefaultActivity() {
Intent intent = new Intent();
intent.setClass(this, MainView.class);
startActivity(intent);
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == REQUEST_CODE_PREFERENCES && resultCode == RESULT_OK) {
manageUpdateChecks();
} else if (requestCode == REQUEST_CODE_LAUNCH_ACTIVITY
&& resultCode == RESULT_LOGOUT) {
Log.d(TAG, "Result logout.");
handleLoggedOut();
}
}
protected boolean checkIsLogedIn() {
if (!getApi().isLoggedIn()) {
Log.d(TAG, "Not logged in.");
handleLoggedOut();
return false;
}
return true;
}
public static boolean isTrue(Bundle bundle, String key) {
return bundle != null && bundle.containsKey(key)
&& bundle.getBoolean(key);
}
}