1 /* 2 * Copyright (C) 2015 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.deskclock.alarms; 18 19 import android.content.ContentResolver; 20 import android.content.Context; 21 import android.os.AsyncTask; 22 import android.support.design.widget.Snackbar; 23 import android.text.format.DateFormat; 24 import android.view.View; 25 import android.view.ViewGroup; 26 27 import com.android.deskclock.AlarmUtils; 28 import com.android.deskclock.R; 29 import com.android.deskclock.events.Events; 30 import com.android.deskclock.provider.Alarm; 31 import com.android.deskclock.provider.AlarmInstance; 32 import com.android.deskclock.widget.toast.SnackbarManager; 33 34 import java.util.Calendar; 35 import java.util.List; 36 37 /** 38 * API for asynchronously mutating a single alarm. 39 */ 40 public final class AlarmUpdateHandler { 41 42 private final Context mAppContext; 43 private final ScrollHandler mScrollHandler; 44 private final View mSnackbarAnchor; 45 46 // For undo 47 private Alarm mDeletedAlarm; 48 49 public AlarmUpdateHandler(Context context, ScrollHandler scrollHandler, 50 ViewGroup snackbarAnchor) { 51 mAppContext = context.getApplicationContext(); 52 mScrollHandler = scrollHandler; 53 mSnackbarAnchor = snackbarAnchor; 54 } 55 56 /** 57 * Adds a new alarm on the background. 58 * 59 * @param alarm The alarm to be added. 60 */ 61 public void asyncAddAlarm(final Alarm alarm) { 62 final AsyncTask<Void, Void, AlarmInstance> updateTask = 63 new AsyncTask<Void, Void, AlarmInstance>() { 64 @Override 65 protected AlarmInstance doInBackground(Void... parameters) { 66 if (alarm != null) { 67 Events.sendAlarmEvent(R.string.action_create, R.string.label_deskclock); 68 ContentResolver cr = mAppContext.getContentResolver(); 69 70 // Add alarm to db 71 Alarm newAlarm = Alarm.addAlarm(cr, alarm); 72 73 // Be ready to scroll to this alarm on UI later. 74 mScrollHandler.setSmoothScrollStableId(newAlarm.id); 75 76 // Create and add instance to db 77 if (newAlarm.enabled) { 78 return setupAlarmInstance(newAlarm); 79 } 80 } 81 return null; 82 } 83 84 @Override 85 protected void onPostExecute(AlarmInstance instance) { 86 if (instance != null) { 87 AlarmUtils.popAlarmSetSnackbar( 88 mSnackbarAnchor, instance.getAlarmTime().getTimeInMillis()); 89 } 90 } 91 }; 92 updateTask.execute(); 93 } 94 95 /** 96 * Modifies an alarm on the background, and optionally show a toast when done. 97 * 98 * @param alarm The alarm to be modified. 99 * @param popToast whether or not a toast should be displayed when done. 100 * @param minorUpdate if true, don't affect any currently snoozed instances. 101 */ 102 public void asyncUpdateAlarm(final Alarm alarm, final boolean popToast, 103 final boolean minorUpdate) { 104 final AsyncTask<Void, Void, AlarmInstance> updateTask = 105 new AsyncTask<Void, Void, AlarmInstance>() { 106 @Override 107 protected AlarmInstance doInBackground(Void... parameters) { 108 Events.sendAlarmEvent(R.string.action_update, R.string.label_deskclock); 109 ContentResolver cr = mAppContext.getContentResolver(); 110 111 // Update alarm 112 Alarm.updateAlarm(cr, alarm); 113 114 if (minorUpdate) { 115 // just update the instance in the database and update notifications. 116 final List<AlarmInstance> instanceList = 117 AlarmInstance.getInstancesByAlarmId(cr, alarm.id); 118 for (AlarmInstance instance : instanceList) { 119 // Make a copy of the existing instance 120 final AlarmInstance newInstance = new AlarmInstance(instance); 121 // Copy over minor change data to the instance; we don't know 122 // exactly which minor field changed, so just copy them all. 123 newInstance.mVibrate = alarm.vibrate; 124 newInstance.mRingtone = alarm.alert; 125 newInstance.mLabel = alarm.label; 126 // Since we copied the mId of the old instance and the mId is used 127 // as the primary key in the AlarmInstance table, this will replace 128 // the existing instance. 129 AlarmInstance.updateInstance(cr, newInstance); 130 // Update the notification for this instance. 131 AlarmNotifications.updateNotification(mAppContext, newInstance); 132 } 133 return null; 134 } 135 // Otherwise, this is a major update and we're going to re-create the alarm 136 AlarmStateManager.deleteAllInstances(mAppContext, alarm.id); 137 138 return alarm.enabled ? setupAlarmInstance(alarm) : null; 139 } 140 141 @Override 142 protected void onPostExecute(AlarmInstance instance) { 143 if (popToast && instance != null) { 144 AlarmUtils.popAlarmSetSnackbar( 145 mSnackbarAnchor, instance.getAlarmTime().getTimeInMillis()); 146 } 147 } 148 }; 149 updateTask.execute(); 150 } 151 152 /** 153 * Deletes an alarm on the background. 154 * 155 * @param alarm The alarm to be deleted. 156 */ 157 public void asyncDeleteAlarm(final Alarm alarm) { 158 final AsyncTask<Void, Void, Boolean> deleteTask = new AsyncTask<Void, Void, Boolean>() { 159 @Override 160 protected Boolean doInBackground(Void... parameters) { 161 // Activity may be closed at this point , make sure data is still valid 162 if (alarm == null) { 163 // Nothing to do here, just return. 164 return false; 165 } 166 Events.sendAlarmEvent(R.string.action_delete, R.string.label_deskclock); 167 AlarmStateManager.deleteAllInstances(mAppContext, alarm.id); 168 return Alarm.deleteAlarm(mAppContext.getContentResolver(), alarm.id); 169 } 170 171 @Override 172 protected void onPostExecute(Boolean deleted) { 173 if (deleted) { 174 mDeletedAlarm = alarm; 175 showUndoBar(); 176 } 177 } 178 }; 179 deleteTask.execute(); 180 } 181 182 /** 183 * Show a toast when an alarm is predismissed. 184 * 185 * @param instance Instance being predismissed. 186 */ 187 public void showPredismissToast(AlarmInstance instance) { 188 final String time = DateFormat.getTimeFormat(mAppContext).format( 189 instance.getAlarmTime().getTime()); 190 final String text = mAppContext.getString(R.string.alarm_is_dismissed, time); 191 SnackbarManager.show(Snackbar.make(mSnackbarAnchor, text, Snackbar.LENGTH_SHORT)); 192 } 193 194 /** 195 * Hides any undo toast. 196 */ 197 public void hideUndoBar() { 198 mDeletedAlarm = null; 199 SnackbarManager.dismiss(); 200 } 201 202 private void showUndoBar() { 203 final Alarm deletedAlarm = mDeletedAlarm; 204 final Snackbar snackbar = Snackbar.make(mSnackbarAnchor, 205 mAppContext.getString(R.string.alarm_deleted), Snackbar.LENGTH_LONG) 206 .setAction(R.string.alarm_undo, new View.OnClickListener() { 207 @Override 208 public void onClick(View v) { 209 mDeletedAlarm = null; 210 asyncAddAlarm(deletedAlarm); 211 } 212 }); 213 SnackbarManager.show(snackbar); 214 } 215 216 private AlarmInstance setupAlarmInstance(Alarm alarm) { 217 final ContentResolver cr = mAppContext.getContentResolver(); 218 AlarmInstance newInstance = alarm.createInstanceAfter(Calendar.getInstance()); 219 newInstance = AlarmInstance.addInstance(cr, newInstance); 220 // Register instance to state manager 221 AlarmStateManager.registerInstance(mAppContext, newInstance, true); 222 return newInstance; 223 } 224 } 225
