Home | History | Annotate | Download | only in selectcalendars 
      1 /*
      2  * Copyright (C) 2010 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.Activity;
     20 import android.app.Fragment;
     21 import android.content.ContentUris;
     22 import android.content.ContentValues;
     23 import android.database.Cursor;
     24 import android.net.Uri;
     25 import android.os.Bundle;
     26 import android.provider.CalendarContract.Calendars;
     27 import android.view.LayoutInflater;
     28 import android.view.View;
     29 import android.view.ViewGroup;
     30 import android.widget.AdapterView;
     31 import android.widget.ListView;
     32 
     33 import com.android.calendar.AsyncQueryService;
     34 import com.android.calendar.CalendarController;
     35 import com.android.calendar.CalendarController.EventInfo;
     36 import com.android.calendar.CalendarController.EventType;
     37 import com.android.calendar.R;
     38 import com.android.calendar.Utils;
     39 import com.android.calendar.selectcalendars.CalendarColorCache.OnCalendarColorsLoadedListener;
     40 
     41 public class SelectVisibleCalendarsFragment extends Fragment
     42         implements AdapterView.OnItemClickListener, CalendarController.EventHandler,
     43         OnCalendarColorsLoadedListener {
     44 
     45     private static final String TAG = "Calendar";
     46     private static final String IS_PRIMARY = "\"primary\"";
     47     private static final String SELECTION = Calendars.SYNC_EVENTS + "=?";
     48     private static final String[] SELECTION_ARGS = new String[] {"1"};
     49 
     50     private static final String[] PROJECTION = new String[] {
     51         Calendars._ID,
     52         Calendars.ACCOUNT_NAME,
     53         Calendars.ACCOUNT_TYPE,
     54         Calendars.OWNER_ACCOUNT,
     55         Calendars.CALENDAR_DISPLAY_NAME,
     56         Calendars.CALENDAR_COLOR,
     57         Calendars.VISIBLE,
     58         Calendars.SYNC_EVENTS,
     59         "(" + Calendars.ACCOUNT_NAME + "=" + Calendars.OWNER_ACCOUNT + ") AS " + IS_PRIMARY,
     60       };
     61     private static int mUpdateToken;
     62     private static int mQueryToken;
     63     private static int mCalendarItemLayout = R.layout.mini_calendar_item;
     64 
     65     private View mView = null;
     66     private CalendarController mController;
     67     private ListView mList;
     68     private SelectCalendarsSimpleAdapter mAdapter;
     69     private Activity mContext;
     70     private AsyncQueryService mService;
     71     private Cursor mCursor;
     72 
     73     public SelectVisibleCalendarsFragment() {
     74     }
     75 
     76     public SelectVisibleCalendarsFragment(int itemLayout) {
     77         mCalendarItemLayout = itemLayout;
     78     }
     79 
     80     @Override
     81     public void onAttach(Activity activity) {
     82         super.onAttach(activity);
     83         mContext = activity;
     84         mController = CalendarController.getInstance(activity);
     85         mController.registerEventHandler(R.layout.select_calendars_fragment, this);
     86         mService = new AsyncQueryService(activity) {
     87             @Override
     88             protected void onQueryComplete(int token, Object cookie, Cursor cursor) {
     89                 mAdapter.changeCursor(cursor);
     90                 mCursor = cursor;
     91             }
     92         };
     93     }
     94 
     95     @Override
     96     public void onDetach() {
     97         super.onDetach();
     98         mController.deregisterEventHandler(R.layout.select_calendars_fragment);
     99         if (mCursor != null) {
    100             mAdapter.changeCursor(null);
    101             mCursor.close();
    102             mCursor = null;
    103         }
    104     }
    105 
    106     @Override
    107     public void onCreate(Bundle icicle) {
    108         super.onCreate(icicle);
    109     }
    110 
    111     @Override
    112     public View onCreateView(LayoutInflater inflater, ViewGroup container,
    113             Bundle savedInstanceState) {
    114         super.onCreateView(inflater, container, savedInstanceState);
    115         mView = inflater.inflate(R.layout.select_calendars_fragment, null);
    116         mList = (ListView)mView.findViewById(R.id.list);
    117 
    118         // Hide the Calendars to Sync button on tablets for now.
    119         // Long terms stick it in the list of calendars
    120         if (Utils.getConfigBool(getActivity(), R.bool.multiple_pane_config)) {
    121             // Don't show dividers on tablets
    122             mList.setDivider(null);
    123             View v = mView.findViewById(R.id.manage_sync_set);
    124             if (v != null) {
    125                 v.setVisibility(View.GONE);
    126             }
    127         }
    128         return mView;
    129     }
    130 
    131     @Override
    132     public void onActivityCreated(Bundle savedInstanceState) {
    133         super.onActivityCreated(savedInstanceState);
    134         mAdapter = new SelectCalendarsSimpleAdapter(mContext, mCalendarItemLayout, null,
    135                 getFragmentManager());
    136         mList.setAdapter(mAdapter);
    137         mList.setOnItemClickListener(this);
    138     }
    139 
    140     public void onItemClick(AdapterView<?> parent, View view, int position, long id)  {
    141         if (mAdapter == null || mAdapter.getCount() <= position) {
    142             return;
    143         }
    144         toggleVisibility(position);
    145     }
    146 
    147     @Override
    148     public void onResume() {
    149         super.onResume();
    150         mQueryToken = mService.getNextToken();
    151         mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
    152                 SELECTION_ARGS, Calendars.ACCOUNT_NAME);
    153     }
    154 
    155     /*
    156      * Write back the changes that have been made.
    157      */
    158     public void toggleVisibility(int position) {
    159         mUpdateToken = mService.getNextToken();
    160         Uri uri = ContentUris.withAppendedId(Calendars.CONTENT_URI, mAdapter.getItemId(position));
    161         ContentValues values = new ContentValues();
    162         // Toggle the current setting
    163         int visibility = mAdapter.getVisible(position)^1;
    164         values.put(Calendars.VISIBLE, visibility);
    165         mService.startUpdate(mUpdateToken, null, uri, values, null, null, 0);
    166         mAdapter.setVisible(position, visibility);
    167     }
    168 
    169     @Override
    170     public void eventsChanged() {
    171         if (mService != null) {
    172             mService.cancelOperation(mQueryToken);
    173             mQueryToken = mService.getNextToken();
    174             mService.startQuery(mQueryToken, null, Calendars.CONTENT_URI, PROJECTION, SELECTION,
    175                     SELECTION_ARGS, Calendars.ACCOUNT_NAME);
    176         }
    177     }
    178 
    179     @Override
    180     public long getSupportedEventTypes() {
    181         return EventType.EVENTS_CHANGED;
    182     }
    183 
    184     @Override
    185     public void handleEvent(EventInfo event) {
    186         eventsChanged();
    187     }
    188 
    189     @Override
    190     public void onCalendarColorsLoaded() {
    191         if (mAdapter != null) {
    192             mAdapter.notifyDataSetChanged();
    193         }
    194     }
    195 }
    196