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      1 /*
      2  * Copyright (C) 2011 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.calendar.selectcalendars;
     18 
     19 import android.app.ActionBar;
     20 import android.app.FragmentTransaction;
     21 import android.content.Intent;
     22 import android.database.ContentObserver;
     23 import android.os.Bundle;
     24 import android.os.Handler;
     25 import android.provider.CalendarContract;
     26 import android.view.Menu;
     27 import android.view.MenuItem;
     28 import android.view.View;
     29 
     30 import com.android.calendar.AbstractCalendarActivity;
     31 import com.android.calendar.CalendarController;
     32 import com.android.calendar.CalendarController.EventType;
     33 import com.android.calendar.CalendarController.ViewType;
     34 import com.android.calendar.R;
     35 import com.android.calendar.Utils;
     36 
     37 public class SelectVisibleCalendarsActivity extends AbstractCalendarActivity {
     38     private SelectVisibleCalendarsFragment mFragment;
     39     private CalendarController mController;
     40 
     41     // Create an observer so that we can update the views whenever a
     42     // Calendar event changes.
     43     private final ContentObserver mObserver = new ContentObserver(new Handler()) {
     44         @Override
     45         public boolean deliverSelfNotifications() {
     46             return true;
     47         }
     48 
     49         @Override
     50         public void onChange(boolean selfChange) {
     51           mController.sendEvent(this, EventType.EVENTS_CHANGED, null, null, -1, ViewType.CURRENT);
     52         }
     53     };
     54 
     55     @Override
     56     protected void onCreate(Bundle icicle) {
     57         super.onCreate(icicle);
     58 
     59         setContentView(R.layout.simple_frame_layout);
     60 
     61         mController = CalendarController.getInstance(this);
     62         mFragment = (SelectVisibleCalendarsFragment) getFragmentManager().findFragmentById(
     63                 R.id.main_frame);
     64 
     65         if (mFragment == null) {
     66             mFragment = new SelectVisibleCalendarsFragment(R.layout.calendar_sync_item);
     67 
     68             FragmentTransaction ft = getFragmentManager().beginTransaction();
     69             ft.replace(R.id.main_frame, mFragment);
     70             ft.show(mFragment);
     71             ft.commit();
     72         }
     73     }
     74 
     75     @Override
     76     public void onResume() {
     77         super.onResume();
     78         getContentResolver().registerContentObserver(CalendarContract.Events.CONTENT_URI,
     79                 true, mObserver);
     80     }
     81 
     82     @Override
     83     public void onPause() {
     84         super.onPause();
     85         getContentResolver().unregisterContentObserver(mObserver);
     86     }
     87 
     88     // Needs to be in proguard whitelist
     89     // Specified as listener via android:onClick in a layout xml
     90     public void handleSelectSyncedCalendarsClicked(View v) {
     91         Intent intent = new Intent(Intent.ACTION_VIEW);
     92         intent.setClass(this, SelectSyncedCalendarsMultiAccountActivity.class);
     93         intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT | Intent.FLAG_ACTIVITY_SINGLE_TOP);
     94         startActivity(intent);
     95     }
     96 
     97     @Override
     98     public boolean onCreateOptionsMenu(Menu menu) {
     99         getActionBar()
    100                 .setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP);
    101         return true;
    102     }
    103 
    104     @Override
    105     public boolean onOptionsItemSelected(MenuItem item) {
    106         switch (item.getItemId()) {
    107             case android.R.id.home:
    108                 Utils.returnToCalendarHome(this);
    109                 return true;
    110         }
    111         return super.onOptionsItemSelected(item);
    112     }
    113 }
    114