AlertActivity.java revision ff23072c5ab5433db376db88f23554c45297db05
1/* 2 * Copyright (C) 2007 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 17package com.android.calendar.alerts; 18 19import android.app.Activity; 20import android.app.NotificationManager; 21import android.app.TaskStackBuilder; 22import android.content.ContentValues; 23import android.content.Context; 24import android.content.Intent; 25import android.database.Cursor; 26import android.net.Uri; 27import android.os.Bundle; 28import android.provider.CalendarContract; 29import android.provider.CalendarContract.CalendarAlerts; 30import android.util.Log; 31import android.view.View; 32import android.view.View.OnClickListener; 33import android.widget.AdapterView; 34import android.widget.AdapterView.OnItemClickListener; 35import android.widget.Button; 36import android.widget.ListView; 37 38import com.android.calendar.AsyncQueryService; 39import com.android.calendar.EventInfoActivity; 40import com.android.calendar.R; 41import com.android.calendar.Utils; 42 43/** 44 * The alert panel that pops up when there is a calendar event alarm. 45 * This activity is started by an intent that specifies an event id. 46 */ 47public class AlertActivity extends Activity implements OnClickListener { 48 private static final String TAG = "AlertActivity"; 49 50 private static final String[] PROJECTION = new String[] { 51 CalendarAlerts._ID, // 0 52 CalendarAlerts.TITLE, // 1 53 CalendarAlerts.EVENT_LOCATION, // 2 54 CalendarAlerts.ALL_DAY, // 3 55 CalendarAlerts.BEGIN, // 4 56 CalendarAlerts.END, // 5 57 CalendarAlerts.EVENT_ID, // 6 58 CalendarAlerts.CALENDAR_COLOR, // 7 59 CalendarAlerts.RRULE, // 8 60 CalendarAlerts.HAS_ALARM, // 9 61 CalendarAlerts.STATE, // 10 62 CalendarAlerts.ALARM_TIME, // 11 63 }; 64 65 public static final int INDEX_ROW_ID = 0; 66 public static final int INDEX_TITLE = 1; 67 public static final int INDEX_EVENT_LOCATION = 2; 68 public static final int INDEX_ALL_DAY = 3; 69 public static final int INDEX_BEGIN = 4; 70 public static final int INDEX_END = 5; 71 public static final int INDEX_EVENT_ID = 6; 72 public static final int INDEX_COLOR = 7; 73 public static final int INDEX_RRULE = 8; 74 public static final int INDEX_HAS_ALARM = 9; 75 public static final int INDEX_STATE = 10; 76 public static final int INDEX_ALARM_TIME = 11; 77 78 private static final String SELECTION = CalendarAlerts.STATE + "=?"; 79 private static final String[] SELECTIONARG = new String[] { 80 Integer.toString(CalendarAlerts.STATE_FIRED) 81 }; 82 83 private AlertAdapter mAdapter; 84 private QueryHandler mQueryHandler; 85 private Cursor mCursor; 86 private ListView mListView; 87 private Button mDismissAllButton; 88 89 90 private void dismissFiredAlarms() { 91 ContentValues values = new ContentValues(1 /* size */); 92 values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED); 93 String selection = CalendarAlerts.STATE + "=" + CalendarAlerts.STATE_FIRED; 94 mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values, 95 selection, null /* selectionArgs */, Utils.UNDO_DELAY); 96 } 97 98 private void dismissAlarm(long id) { 99 ContentValues values = new ContentValues(1 /* size */); 100 values.put(PROJECTION[INDEX_STATE], CalendarAlerts.STATE_DISMISSED); 101 String selection = CalendarAlerts._ID + "=" + id; 102 mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values, 103 selection, null /* selectionArgs */, Utils.UNDO_DELAY); 104 } 105 106 private class QueryHandler extends AsyncQueryService { 107 public QueryHandler(Context context) { 108 super(context); 109 } 110 111 @Override 112 protected void onQueryComplete(int token, Object cookie, Cursor cursor) { 113 // Only set mCursor if the Activity is not finishing. Otherwise close the cursor. 114 if (!isFinishing()) { 115 mCursor = cursor; 116 mAdapter.changeCursor(cursor); 117 mListView.setSelection(cursor.getCount() - 1); 118 119 // The results are in, enable the buttons 120 mDismissAllButton.setEnabled(true); 121 } else { 122 cursor.close(); 123 } 124 } 125 126 @Override 127 protected void onInsertComplete(int token, Object cookie, Uri uri) { 128 if (uri != null) { 129 Long alarmTime = (Long) cookie; 130 131 if (alarmTime != 0) { 132 // Set a new alarm to go off after the snooze delay. 133 // TODO make provider schedule this automatically when 134 // inserting an alarm 135 AlertUtils.scheduleAlarm(AlertActivity.this, null, alarmTime); 136 } 137 } 138 } 139 140 @Override 141 protected void onUpdateComplete(int token, Object cookie, int result) { 142 // Ignore 143 } 144 } 145 146 147 148 private final OnItemClickListener mViewListener = new OnItemClickListener() { 149 150 @Override 151 public void onItemClick(AdapterView<?> parent, View view, int position, 152 long i) { 153 AlertActivity alertActivity = AlertActivity.this; 154 Cursor cursor = alertActivity.getItemForView(view); 155 156 // Mark this alarm as DISMISSED 157 dismissAlarm(cursor.getLong(INDEX_ROW_ID)); 158 159 // build an intent and task stack to start EventInfoActivity with AllInOneActivity 160 // as the parent activity rooted to home. 161 long id = cursor.getInt(AlertActivity.INDEX_EVENT_ID); 162 long startMillis = cursor.getLong(AlertActivity.INDEX_BEGIN); 163 long endMillis = cursor.getLong(AlertActivity.INDEX_END); 164 Intent eventIntent = AlertUtils.buildEventViewIntent(AlertActivity.this, id, 165 startMillis, endMillis); 166 167 TaskStackBuilder.create(AlertActivity.this) 168 .addParentStack(EventInfoActivity.class).addNextIntent(eventIntent) 169 .startActivities(); 170 171 alertActivity.finish(); 172 } 173 }; 174 175 @Override 176 protected void onCreate(Bundle icicle) { 177 super.onCreate(icicle); 178 179 setContentView(R.layout.alert_activity); 180 setTitle(R.string.alert_title); 181 182 mQueryHandler = new QueryHandler(this); 183 mAdapter = new AlertAdapter(this, R.layout.alert_item); 184 185 mListView = (ListView) findViewById(R.id.alert_container); 186 mListView.setItemsCanFocus(true); 187 mListView.setAdapter(mAdapter); 188 mListView.setOnItemClickListener(mViewListener); 189 190 mDismissAllButton = (Button) findViewById(R.id.dismiss_all); 191 mDismissAllButton.setOnClickListener(this); 192 193 // Disable the buttons, since they need mCursor, which is created asynchronously 194 mDismissAllButton.setEnabled(false); 195 } 196 197 @Override 198 protected void onResume() { 199 super.onResume(); 200 201 // If the cursor is null, start the async handler. If it is not null just requery. 202 if (mCursor == null) { 203 Uri uri = CalendarAlerts.CONTENT_URI_BY_INSTANCE; 204 mQueryHandler.startQuery(0, null, uri, PROJECTION, SELECTION, SELECTIONARG, 205 CalendarContract.CalendarAlerts.DEFAULT_SORT_ORDER); 206 } else { 207 if (!mCursor.requery()) { 208 Log.w(TAG, "Cursor#requery() failed."); 209 mCursor.close(); 210 mCursor = null; 211 } 212 } 213 } 214 215 @Override 216 protected void onStop() { 217 super.onStop(); 218 AlertService.updateAlertNotification(this); 219 220 if (mCursor != null) { 221 mCursor.deactivate(); 222 } 223 } 224 225 @Override 226 protected void onDestroy() { 227 super.onDestroy(); 228 if (mCursor != null) { 229 mCursor.close(); 230 } 231 } 232 233 @Override 234 public void onClick(View v) { 235 if (v == mDismissAllButton) { 236 NotificationManager nm = 237 (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 238 nm.cancelAll(); 239 240 dismissFiredAlarms(); 241 242 finish(); 243 } 244 } 245 246 public boolean isEmpty() { 247 return mCursor != null ? (mCursor.getCount() == 0) : true; 248 } 249 250 public Cursor getItemForView(View view) { 251 final int index = mListView.getPositionForView(view); 252 if (index < 0) { 253 return null; 254 } 255 return (Cursor) mListView.getAdapter().getItem(index); 256 } 257} 258