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 com.android.calendar.R; 20 import com.android.calendar.Utils; 21 22 import android.app.ActionBar; 23 import android.app.ExpandableListActivity; 24 import android.content.ContentResolver; 25 import android.database.Cursor; 26 import android.database.MatrixCursor; 27 import android.os.Bundle; 28 import android.provider.CalendarContract.Calendars; 29 import android.view.Menu; 30 import android.view.MenuItem; 31 import android.view.View; 32 import android.widget.ExpandableListView; 33 34 public class SelectSyncedCalendarsMultiAccountActivity extends ExpandableListActivity 35 implements View.OnClickListener { 36 37 private static final String TAG = "Calendar"; 38 private static final String EXPANDED_KEY = "is_expanded"; 39 private static final String ACCOUNT_UNIQUE_KEY = "ACCOUNT_KEY"; 40 private Cursor mCursor = null; 41 private ExpandableListView mList; 42 private SelectSyncedCalendarsMultiAccountAdapter mAdapter; 43 private static final String[] PROJECTION = new String[] { 44 Calendars._ID, 45 Calendars.ACCOUNT_TYPE, 46 Calendars.ACCOUNT_NAME, 47 Calendars.ACCOUNT_TYPE + " || " + Calendars.ACCOUNT_NAME + " AS " + 48 ACCOUNT_UNIQUE_KEY, 49 }; 50 51 @Override onCreate(Bundle icicle)52 protected void onCreate(Bundle icicle) { 53 super.onCreate(icicle); 54 setContentView(R.layout.select_calendars_multi_accounts_fragment); 55 mList = getExpandableListView(); 56 //TODO Move managedQuery into a background thread. 57 //TODO change to something that supports group by queries. 58 mCursor = managedQuery(Calendars.CONTENT_URI, PROJECTION, 59 "1) GROUP BY (" + ACCOUNT_UNIQUE_KEY, //Cheap hack to make WHERE a GROUP BY query 60 null /* selectionArgs */, 61 Calendars.ACCOUNT_NAME /*sort order*/); 62 MatrixCursor accountsCursor = Utils.matrixCursorFromCursor(mCursor); 63 startManagingCursor(accountsCursor); 64 65 mAdapter = new SelectSyncedCalendarsMultiAccountAdapter(findViewById(R.id.calendars) 66 .getContext(), accountsCursor, this); 67 mList.setAdapter(mAdapter); 68 69 // TODO initialize from sharepref 70 int count = mList.getCount(); 71 for(int i = 0; i < count; i++) { 72 mList.expandGroup(i); 73 } 74 75 // Start a background sync to get the list of calendars from the server. 76 startCalendarMetafeedSync(); 77 78 findViewById(R.id.btn_done).setOnClickListener(this); 79 findViewById(R.id.btn_discard).setOnClickListener(this); 80 } 81 82 @Override onClick(View view)83 public void onClick(View view) { 84 switch (view.getId()) { 85 case R.id.btn_done: 86 mAdapter.doSaveAction(); 87 finish(); 88 break; 89 90 case R.id.btn_discard: 91 finish(); 92 break; 93 } 94 } 95 96 @Override onResume()97 protected void onResume() { 98 super.onResume(); 99 if (mAdapter != null) { 100 mAdapter.startRefreshStopDelay(); 101 } 102 } 103 104 @Override onPause()105 protected void onPause() { 106 super.onPause(); 107 mAdapter.cancelRefreshStopDelay(); 108 } 109 110 @Override onSaveInstanceState(Bundle outState)111 protected void onSaveInstanceState(Bundle outState) { 112 super.onSaveInstanceState(outState); 113 boolean[] isExpanded; 114 mList = getExpandableListView(); 115 if(mList != null) { 116 int count = mList.getCount(); 117 isExpanded = new boolean[count]; 118 for(int i = 0; i < count; i++) { 119 isExpanded[i] = mList.isGroupExpanded(i); 120 } 121 } else { 122 isExpanded = null; 123 } 124 outState.putBooleanArray(EXPANDED_KEY, isExpanded); 125 //TODO Store this to preferences instead so it remains on restart 126 } 127 128 @Override onRestoreInstanceState(Bundle state)129 protected void onRestoreInstanceState(Bundle state) { 130 super.onRestoreInstanceState(state); 131 mList = getExpandableListView(); 132 boolean[] isExpanded = state.getBooleanArray(EXPANDED_KEY); 133 if(mList != null && isExpanded != null && mList.getCount() >= isExpanded.length) { 134 for(int i = 0; i < isExpanded.length; i++) { 135 if(isExpanded[i] && !mList.isGroupExpanded(i)) { 136 mList.expandGroup(i); 137 } else if(!isExpanded[i] && mList.isGroupExpanded(i)){ 138 mList.collapseGroup(i); 139 } 140 } 141 } 142 } 143 144 @Override onCreateOptionsMenu(Menu menu)145 public boolean onCreateOptionsMenu(Menu menu) { 146 getActionBar() 147 .setDisplayOptions(ActionBar.DISPLAY_HOME_AS_UP, ActionBar.DISPLAY_HOME_AS_UP); 148 return true; 149 } 150 151 @Override onOptionsItemSelected(MenuItem item)152 public boolean onOptionsItemSelected(MenuItem item) { 153 switch (item.getItemId()) { 154 case android.R.id.home: 155 Utils.returnToCalendarHome(this); 156 return true; 157 } 158 return super.onOptionsItemSelected(item); 159 } 160 161 // startCalendarMetafeedSync() checks the server for an updated list of 162 // Calendars (in the background). 163 // 164 // If a Calendar is added on the web (and it is selected and not 165 // hidden) then it will be added to the list of calendars on the phone 166 // (when this finishes). When a new calendar from the 167 // web is added to the phone, then the events for that calendar are also 168 // downloaded from the web. 169 // 170 // This sync is done automatically in the background when the 171 // SelectCalendars activity is started. startCalendarMetafeedSync()172 private void startCalendarMetafeedSync() { 173 Bundle extras = new Bundle(); 174 extras.putBoolean(ContentResolver.SYNC_EXTRAS_MANUAL, true); 175 extras.putBoolean("metafeedonly", true); 176 ContentResolver.requestSync(null /* all accounts */, 177 Calendars.CONTENT_URI.getAuthority(), extras); 178 } 179 } 180