AlertActivity.java revision db4ce4a81063b7f5f6068f4144f8a3e3bca1e064
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 com.android.calendar.AsyncQueryService; 20import com.android.calendar.R; 21import com.android.calendar.Utils; 22 23import android.app.Activity; 24import android.app.AlarmManager; 25import android.app.NotificationManager; 26import android.content.ContentValues; 27import android.content.Context; 28import android.content.Intent; 29import android.database.Cursor; 30import android.net.Uri; 31import android.net.Uri.Builder; 32import android.os.Bundle; 33import android.provider.Calendar; 34import android.provider.Calendar.CalendarAlerts; 35import android.provider.Calendar.CalendarAlertsColumns; 36import android.util.Log; 37import android.view.View; 38import android.view.View.OnClickListener; 39import android.view.ViewGroup; 40import android.view.WindowManager; 41import android.widget.AdapterView; 42import android.widget.AdapterView.OnItemClickListener; 43import android.widget.Button; 44import android.widget.ListView; 45 46/** 47 * The alert panel that pops up when there is a calendar event alarm. 48 * This activity is started by an intent that specifies an event id. 49 */ 50public class AlertActivity extends Activity implements OnClickListener { 51 private static final String TAG = "AlertActivity"; 52 53 // The default snooze delay: 5 minutes 54 public static final long SNOOZE_DELAY = 5 * 60 * 1000L; 55 56 private static final String[] PROJECTION = new String[] { 57 CalendarAlerts._ID, // 0 58 CalendarAlerts.TITLE, // 1 59 CalendarAlerts.EVENT_LOCATION, // 2 60 CalendarAlerts.ALL_DAY, // 3 61 CalendarAlerts.BEGIN, // 4 62 CalendarAlerts.END, // 5 63 CalendarAlerts.EVENT_ID, // 6 64 CalendarAlerts.COLOR, // 7 65 CalendarAlerts.RRULE, // 8 66 CalendarAlerts.HAS_ALARM, // 9 67 CalendarAlerts.STATE, // 10 68 CalendarAlerts.ALARM_TIME, // 11 69 }; 70 71 public static final int INDEX_ROW_ID = 0; 72 public static final int INDEX_TITLE = 1; 73 public static final int INDEX_EVENT_LOCATION = 2; 74 public static final int INDEX_ALL_DAY = 3; 75 public static final int INDEX_BEGIN = 4; 76 public static final int INDEX_END = 5; 77 public static final int INDEX_EVENT_ID = 6; 78 public static final int INDEX_COLOR = 7; 79 public static final int INDEX_RRULE = 8; 80 public static final int INDEX_HAS_ALARM = 9; 81 public static final int INDEX_STATE = 10; 82 public static final int INDEX_ALARM_TIME = 11; 83 84 private static final String SELECTION = CalendarAlerts.STATE + "=?"; 85 private static final String[] SELECTIONARG = new String[] { 86 Integer.toString(CalendarAlerts.FIRED) 87 }; 88 89 // We use one notification id for all events so that we don't clutter 90 // the notification screen. It doesn't matter what the id is, as long 91 // as it is used consistently everywhere. 92 public static final int NOTIFICATION_ID = 0; 93 94 private AlertAdapter mAdapter; 95 private QueryHandler mQueryHandler; 96 private Cursor mCursor; 97 private ListView mListView; 98 private Button mSnoozeAllButton; 99 private Button mDismissAllButton; 100 101 102 private void dismissFiredAlarms() { 103 ContentValues values = new ContentValues(1 /* size */); 104 values.put(PROJECTION[INDEX_STATE], CalendarAlerts.DISMISSED); 105 String selection = CalendarAlerts.STATE + "=" + CalendarAlerts.FIRED; 106 mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values, 107 selection, null /* selectionArgs */, Utils.UNDO_DELAY); 108 } 109 110 private void dismissAlarm(long id) { 111 ContentValues values = new ContentValues(1 /* size */); 112 values.put(PROJECTION[INDEX_STATE], CalendarAlerts.DISMISSED); 113 String selection = CalendarAlerts._ID + "=" + id; 114 mQueryHandler.startUpdate(0, null, CalendarAlerts.CONTENT_URI, values, 115 selection, null /* selectionArgs */, Utils.UNDO_DELAY); 116 } 117 118 private class QueryHandler extends AsyncQueryService { 119 public QueryHandler(Context context) { 120 super(context); 121 } 122 123 @Override 124 protected void onQueryComplete(int token, Object cookie, Cursor cursor) { 125 // Only set mCursor if the Activity is not finishing. Otherwise close the cursor. 126 if (!isFinishing()) { 127 mCursor = cursor; 128 mAdapter.changeCursor(cursor); 129 130 // The results are in, enable the buttons 131 mSnoozeAllButton.setEnabled(true); 132 mDismissAllButton.setEnabled(true); 133 } else { 134 cursor.close(); 135 } 136 } 137 138 @Override 139 protected void onInsertComplete(int token, Object cookie, Uri uri) { 140 if (uri != null) { 141 Long alarmTime = (Long) cookie; 142 143 if (alarmTime != 0) { 144 // Set a new alarm to go off after the snooze delay. 145 AlarmManager alarmManager = 146 (AlarmManager) getSystemService(Context.ALARM_SERVICE); 147 CalendarAlerts.scheduleAlarm(AlertActivity.this, alarmManager, alarmTime); 148 } 149 } 150 } 151 152 @Override 153 protected void onUpdateComplete(int token, Object cookie, int result) { 154 // Ignore 155 } 156 } 157 158 private static ContentValues makeContentValues(long eventId, long begin, long end, 159 long alarmTime, int minutes) { 160 ContentValues values = new ContentValues(); 161 values.put(CalendarAlerts.EVENT_ID, eventId); 162 values.put(CalendarAlerts.BEGIN, begin); 163 values.put(CalendarAlerts.END, end); 164 values.put(CalendarAlerts.ALARM_TIME, alarmTime); 165 long currentTime = System.currentTimeMillis(); 166 values.put(CalendarAlerts.CREATION_TIME, currentTime); 167 values.put(CalendarAlerts.RECEIVED_TIME, 0); 168 values.put(CalendarAlerts.NOTIFY_TIME, 0); 169 values.put(CalendarAlerts.STATE, CalendarAlertsColumns.SCHEDULED); 170 values.put(CalendarAlerts.MINUTES, minutes); 171 return values; 172 } 173 174 private OnItemClickListener mViewListener = new OnItemClickListener() { 175 176 public void onItemClick(AdapterView<?> parent, View view, int position, 177 long i) { 178 AlertActivity alertActivity = AlertActivity.this; 179 Cursor cursor = alertActivity.getItemForView(view); 180 181 // Mark this alarm as DISMISSED 182 dismissAlarm(cursor.getLong(INDEX_ROW_ID)); 183 184 long id = cursor.getInt(AlertActivity.INDEX_EVENT_ID); 185 long startMillis = cursor.getLong(AlertActivity.INDEX_BEGIN); 186 long endMillis = cursor.getLong(AlertActivity.INDEX_END); 187 Intent eventIntent = new Intent(Intent.ACTION_VIEW); 188 Builder builder = Calendar.CONTENT_URI.buildUpon(); 189 builder.appendEncodedPath("time/" + startMillis); 190 eventIntent.setData(builder.build()); 191 alertActivity.startActivity(eventIntent); 192 193 alertActivity.finish(); 194 } 195 }; 196 197 @Override 198 protected void onCreate(Bundle icicle) { 199 super.onCreate(icicle); 200 201 setContentView(R.layout.alert_activity); 202 setTitle(R.string.alert_title); 203 204 WindowManager.LayoutParams lp = getWindow().getAttributes(); 205 lp.width = ViewGroup.LayoutParams.MATCH_PARENT; 206 lp.height = ViewGroup.LayoutParams.MATCH_PARENT; 207 208 getWindow().setAttributes(lp); 209 210 mQueryHandler = new QueryHandler(this); 211 mAdapter = new AlertAdapter(this, R.layout.alert_item); 212 213 mListView = (ListView) findViewById(R.id.alert_container); 214 mListView.setItemsCanFocus(true); 215 mListView.setAdapter(mAdapter); 216 mListView.setOnItemClickListener(mViewListener); 217 218 mSnoozeAllButton = (Button) findViewById(R.id.snooze_all); 219 mSnoozeAllButton.setOnClickListener(this); 220 mDismissAllButton = (Button) findViewById(R.id.dismiss_all); 221 mDismissAllButton.setOnClickListener(this); 222 223 // Disable the buttons, since they need mCursor, which is created asynchronously 224 mSnoozeAllButton.setEnabled(false); 225 mDismissAllButton.setEnabled(false); 226 } 227 228 @Override 229 protected void onResume() { 230 super.onResume(); 231 232 // If the cursor is null, start the async handler. If it is not null just requery. 233 if (mCursor == null) { 234 Uri uri = CalendarAlerts.CONTENT_URI_BY_INSTANCE; 235 mQueryHandler.startQuery(0, null, uri, PROJECTION, SELECTION, 236 SELECTIONARG, CalendarAlerts.DEFAULT_SORT_ORDER); 237 } else { 238 if (!mCursor.requery()) { 239 Log.w(TAG, "Cursor#requery() failed."); 240 mCursor.close(); 241 mCursor = null; 242 } 243 } 244 } 245 246 @Override 247 protected void onStop() { 248 super.onStop(); 249 AlertService.updateAlertNotification(this); 250 251 if (mCursor != null) { 252 mCursor.deactivate(); 253 } 254 } 255 256 @Override 257 protected void onDestroy() { 258 super.onDestroy(); 259 if (mCursor != null) { 260 mCursor.close(); 261 } 262 } 263 264 @Override 265 public void onClick(View v) { 266 if (v == mSnoozeAllButton) { 267 long alarmTime = System.currentTimeMillis() + SNOOZE_DELAY; 268 269 NotificationManager nm = 270 (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 271 nm.cancel(NOTIFICATION_ID); 272 273 if (mCursor != null) { 274 long scheduleAlarmTime = 0; 275 mCursor.moveToPosition(-1); 276 while (mCursor.moveToNext()) { 277 long eventId = mCursor.getLong(INDEX_EVENT_ID); 278 long begin = mCursor.getLong(INDEX_BEGIN); 279 long end = mCursor.getLong(INDEX_END); 280 281 // Set the "minutes" to zero to indicate this is a snoozed 282 // alarm. There is code in AlertService.java that checks 283 // this field. 284 ContentValues values = 285 makeContentValues(eventId, begin, end, alarmTime, 0 /* minutes */); 286 287 // Create a new alarm entry in the CalendarAlerts table 288 if (mCursor.isLast()) { 289 scheduleAlarmTime = alarmTime; 290 } 291 mQueryHandler.startInsert(0, 292 scheduleAlarmTime, CalendarAlerts.CONTENT_URI, values, 293 Utils.UNDO_DELAY); 294 } 295 } else { 296 Log.d(TAG, "Cursor object is null. Ignore the Snooze request."); 297 } 298 299 dismissFiredAlarms(); 300 finish(); 301 } else if (v == mDismissAllButton) { 302 NotificationManager nm = 303 (NotificationManager) getSystemService(Context.NOTIFICATION_SERVICE); 304 nm.cancel(NOTIFICATION_ID); 305 306 dismissFiredAlarms(); 307 308 finish(); 309 } 310 } 311 312 public boolean isEmpty() { 313 return mCursor != null ? (mCursor.getCount() == 0) : true; 314 } 315 316 public Cursor getItemForView(View view) { 317 final int index = mListView.getPositionForView(view); 318 if (index < 0) { 319 return null; 320 } 321 return (Cursor) mListView.getAdapter().getItem(index); 322 } 323} 324