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/*
* Copyright (C) 2009 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.calendar.widget;
import static android.provider.CalendarContract.EXTRA_EVENT_ALL_DAY;
import static android.provider.CalendarContract.EXTRA_EVENT_BEGIN_TIME;
import static android.provider.CalendarContract.EXTRA_EVENT_END_TIME;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.appwidget.AppWidgetManager;
import android.appwidget.AppWidgetProvider;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.provider.CalendarContract;
import android.text.format.DateUtils;
import android.text.format.Time;
import android.util.Log;
import android.widget.RemoteViews;
import com.android.calendar.AllInOneActivity;
import com.android.calendar.EventInfoActivity;
import com.android.calendar.R;
import com.android.calendar.Utils;
/**
* Simple widget to show next upcoming calendar event.
*/
public class CalendarAppWidgetProvider extends AppWidgetProvider {
static final String TAG = "CalendarAppWidgetProvider";
static final boolean LOGD = false;
// TODO Move these to Calendar.java
static final String EXTRA_EVENT_IDS = "com.android.calendar.EXTRA_EVENT_IDS";
/**
* {@inheritDoc}
*/
@Override
public void onReceive(Context context, Intent intent) {
// Handle calendar-specific updates ourselves because they might be
// coming in without extras, which AppWidgetProvider then blocks.
final String action = intent.getAction();
if (LOGD)
Log.d(TAG, "AppWidgetProvider got the intent: " + intent.toString());
if (Utils.getWidgetUpdateAction(context).equals(action)) {
AppWidgetManager appWidgetManager = AppWidgetManager.getInstance(context);
performUpdate(context, appWidgetManager,
appWidgetManager.getAppWidgetIds(getComponentName(context)),
null /* no eventIds */);
} else if (action != null && (action.equals(Intent.ACTION_PROVIDER_CHANGED)
|| action.equals(Intent.ACTION_TIME_CHANGED)
|| action.equals(Intent.ACTION_TIMEZONE_CHANGED)
|| action.equals(Intent.ACTION_DATE_CHANGED)
|| action.equals(Utils.getWidgetScheduledUpdateAction(context)))) {
Intent service = new Intent(context, CalendarAppWidgetService.class);
context.startService(service);
} else {
super.onReceive(context, intent);
}
}
/**
* {@inheritDoc}
*/
@Override
public void onDisabled(Context context) {
// Unsubscribe from all AlarmManager updates
AlarmManager am = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
PendingIntent pendingUpdate = getUpdateIntent(context);
am.cancel(pendingUpdate);
}
/**
* {@inheritDoc}
*/
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager, int[] appWidgetIds) {
performUpdate(context, appWidgetManager, appWidgetIds, null /* no eventIds */);
}
/**
* Build {@link ComponentName} describing this specific
* {@link AppWidgetProvider}
*/
static ComponentName getComponentName(Context context) {
return new ComponentName(context, CalendarAppWidgetProvider.class);
}
/**
* Process and push out an update for the given appWidgetIds. This call
* actually fires an intent to start {@link CalendarAppWidgetService} as a
* background service which handles the actual update, to prevent ANR'ing
* during database queries.
*
* @param context Context to use when starting {@link CalendarAppWidgetService}.
* @param appWidgetIds List of specific appWidgetIds to update, or null for
* all.
* @param changedEventIds Specific events known to be changed. If present,
* we use it to decide if an update is necessary.
*/
private void performUpdate(Context context,
AppWidgetManager appWidgetManager, int[] appWidgetIds,
long[] changedEventIds) {
// Launch over to service so it can perform update
for (int appWidgetId : appWidgetIds) {
if (LOGD) Log.d(TAG, "Building widget update...");
Intent updateIntent = new Intent(context, CalendarAppWidgetService.class);
updateIntent.putExtra(AppWidgetManager.EXTRA_APPWIDGET_ID, appWidgetId);
if (changedEventIds != null) {
updateIntent.putExtra(EXTRA_EVENT_IDS, changedEventIds);
}
updateIntent.setData(Uri.parse(updateIntent.toUri(Intent.URI_INTENT_SCHEME)));
RemoteViews views = new RemoteViews(context.getPackageName(), R.layout.appwidget);
// Calendar header
Time time = new Time(Utils.getTimeZone(context, null));
time.setToNow();
long millis = time.toMillis(true);
final String dayOfWeek = DateUtils.getDayOfWeekString(time.weekDay + 1,
DateUtils.LENGTH_MEDIUM);
final String date = Utils.formatDateRange(context, millis, millis,
DateUtils.FORMAT_ABBREV_ALL | DateUtils.FORMAT_SHOW_DATE
| DateUtils.FORMAT_NO_YEAR);
views.setTextViewText(R.id.day_of_week, dayOfWeek);
views.setTextViewText(R.id.date, date);
// Attach to list of events
views.setRemoteAdapter(appWidgetId, R.id.events_list, updateIntent);
appWidgetManager.notifyAppWidgetViewDataChanged(appWidgetId, R.id.events_list);
// Launch calendar app when the user taps on the header
final Intent launchCalendarIntent = new Intent(Intent.ACTION_VIEW);
launchCalendarIntent.setClass(context, AllInOneActivity.class);
launchCalendarIntent
.setData(Uri.parse("content://com.android.calendar/time/" + millis));
final PendingIntent launchCalendarPendingIntent = PendingIntent.getActivity(
context, 0 /* no requestCode */, launchCalendarIntent, 0 /* no flags */);
views.setOnClickPendingIntent(R.id.header, launchCalendarPendingIntent);
// Each list item will call setOnClickExtra() to let the list know
// which item
// is selected by a user.
final PendingIntent updateEventIntent = getLaunchPendingIntentTemplate(context);
views.setPendingIntentTemplate(R.id.events_list, updateEventIntent);
appWidgetManager.updateAppWidget(appWidgetId, views);
}
}
/**
* Build the {@link PendingIntent} used to trigger an update of all calendar
* widgets. Uses {@link Utils#getWidgetScheduledUpdateAction(Context)} to
* directly target all widgets instead of using
* {@link AppWidgetManager#EXTRA_APPWIDGET_IDS}.
*
* @param context Context to use when building broadcast.
*/
static PendingIntent getUpdateIntent(Context context) {
Intent intent = new Intent(Utils.getWidgetScheduledUpdateAction(context));
intent.setDataAndType(CalendarContract.CONTENT_URI, Utils.APPWIDGET_DATA_TYPE);
return PendingIntent.getBroadcast(context, 0 /* no requestCode */, intent,
0 /* no flags */);
}
/**
* Build a {@link PendingIntent} to launch the Calendar app. This should be used
* in combination with {@link RemoteViews#setPendingIntentTemplate(int, PendingIntent)}.
*/
static PendingIntent getLaunchPendingIntentTemplate(Context context) {
Intent launchIntent = new Intent();
launchIntent.setAction(Intent.ACTION_VIEW);
launchIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK |
Intent.FLAG_ACTIVITY_TASK_ON_HOME);
launchIntent.setClass(context, AllInOneActivity.class);
return PendingIntent.getActivity(context, 0 /* no requestCode */, launchIntent,
PendingIntent.FLAG_UPDATE_CURRENT);
}
/**
* Build an {@link Intent} available as FillInIntent to launch the Calendar app.
* This should be used in combination with
* {@link RemoteViews#setOnClickFillInIntent(int, Intent)}.
* If the go to time is 0, then calendar will be launched without a starting time.
*
* @param goToTime time that calendar should take the user to, or 0 to
* indicate no specific start time.
*/
static Intent getLaunchFillInIntent(Context context, long id, long start, long end,
boolean allDay) {
final Intent fillInIntent = new Intent();
String dataString = "content://com.android.calendar/events";
if (id != 0) {
fillInIntent.putExtra(Utils.INTENT_KEY_DETAIL_VIEW, true);
fillInIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK |
Intent.FLAG_ACTIVITY_TASK_ON_HOME);
dataString += "/" + id;
// If we have an event id - start the event info activity
fillInIntent.setClass(context, EventInfoActivity.class);
} else {
// If we do not have an event id - start AllInOne
fillInIntent.setClass(context, AllInOneActivity.class);
}
Uri data = Uri.parse(dataString);
fillInIntent.setData(data);
fillInIntent.putExtra(EXTRA_EVENT_BEGIN_TIME, start);
fillInIntent.putExtra(EXTRA_EVENT_END_TIME, end);
fillInIntent.putExtra(EXTRA_EVENT_ALL_DAY, allDay);
return fillInIntent;
}
}
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