Replaced AlarmManager with postDelayed runnable (9096dcec) · Commits · e / os / android_packages_apps_DeskClock

src/com/android/alarmclock/DigitalWidgetViewsFactory.java

+61 −25

Original line number	Diff line number	Diff line
		@@ -16,12 +16,12 @@

		package com.android.alarmclock;

		import android.app.PendingIntent;
		import android.appwidget.AppWidgetManager;
		import android.content.BroadcastReceiver;
		import android.content.Context;
		import android.content.Intent;
		import android.content.IntentFilter;
		import android.os.Handler;
		import android.provider.Settings;
		import android.text.TextUtils;
		import android.text.format.DateFormat;
		@@ -51,10 +51,56 @@ public class DigitalWidgetViewsFactory extends BroadcastReceiver implements Remo
		private boolean mReloadCitiesList = true;
		private boolean mReloadCitiesDb = true;
		private float mFontScale = 1;
		private PendingIntent mQuarterlyIntent;
		private String mLastTimeZone;
		private QuarterHourUpdater mQuarterHourUpdater;


		// Thread that runs every quarter-hour and refreshes the date.
		private class QuarterHourUpdater implements Runnable {
		private Context mUpdaterContext;
		private Handler mHandler = new Handler();
		public QuarterHourUpdater(Context context) {
		mUpdaterContext = context;
		// Chasing bug b/8239532 - log every updater creation
		Log.i(TAG, "QuarterHourUpdater.start: " + this);
		Utils.setQuarterHourUpdater(mHandler, this);
		}

		public void reset() {
		// Chasing bug b/8239532 - log every updater reset
		Log.i(TAG, "QuarterHourUpdater.reset: " + this);
		Utils.setQuarterHourUpdater(mHandler, this);
		}

		public void close() {
		Utils.cancelQuarterHourUpdater(mHandler, this);
		// Chasing bug b/8239532 - log every updater closure
		Log.i(TAG, "QuarterHourUpdater.close: " + this);
		}

		@Override
		public void run() {
		// Chasing bug b/8239532 - log every run we get to can see when run ran.
		Log.i(TAG, "QuarterHourUpdater.run: " + this);
		// Since the system may miss or not send time zone changes in all cases
		// make sure to update the world clock list if the time zone
		// changed in the last 15 minutes
		String currentTimeZone = TimeZone.getDefault().getID();
		if (!TextUtils.equals(currentTimeZone, mLastTimeZone)) {
		// refresh the list to make sure home time zone is displayed / removed
		mReloadCitiesList = true;
		mLastTimeZone = currentTimeZone;
		Log.v(TAG, "Detected time zone change,updating time zone to " + currentTimeZone);
		}

		AppWidgetManager widgetManager = AppWidgetManager.getInstance(mUpdaterContext);
		if (widgetManager != null) {
		refreshAll(mUpdaterContext, widgetManager);
		}
		Utils.setQuarterHourUpdater(mHandler, this);
		}
		}

		// An adapter to provide the view for the list of cities in the world clock.
		private class RemoteWorldClockAdapter extends WorldClockAdapter {
		private final float mFontSize;
		@@ -196,14 +242,13 @@ public class DigitalWidgetViewsFactory extends BroadcastReceiver implements Remo

		@Override
		public void onCreate() {
		mQuarterlyIntent = Utils.startAlarmOnQuarterHour(mContext);
		mQuarterHourUpdater = new QuarterHourUpdater(mContext);
		// Do intent listening registration here since doing it in the manifest creates a new
		// new factory
		IntentFilter filter = new IntentFilter();
		filter.addAction(Intent.ACTION_DATE_CHANGED);
		filter.addAction(Intent.ACTION_TIMEZONE_CHANGED);
		filter.addAction(Intent.ACTION_SCREEN_ON);
		filter.addAction(Utils.ACTION_ON_QUARTER_HOUR);
		filter.addAction(Intent.ACTION_TIME_CHANGED);
		filter.addAction(Intent.ACTION_LOCALE_CHANGED);
		filter.addAction(AlarmNotifications.SYSTEM_ALARM_CHANGE_ACTION);
		@@ -230,7 +275,7 @@ public class DigitalWidgetViewsFactory extends BroadcastReceiver implements Remo
		@Override
		public void onDestroy() {
		Log.i(TAG, "DigitalWidget unregister receiver");
		Utils.cancelAlarmOnQuarterHour(mContext, mQuarterlyIntent);
		mQuarterHourUpdater.close();
		mContext.unregisterReceiver(this);
		}

		@@ -273,29 +318,20 @@ public class DigitalWidgetViewsFactory extends BroadcastReceiver implements Remo
		} else if (action.equals(Intent.ACTION_LOCALE_CHANGED)) {
		// reload the cities DB to pick up the cities name in the new language
		mReloadCitiesDb = true;
		} else if (action.equals(Utils.ACTION_ON_QUARTER_HOUR)) {
		// Since the system may miss or not send time zone changes in all cases
		// make sure to update the world clock list if the time zone
		// changed in the last 15 minutes
		String currentTimeZone = TimeZone.getDefault().getID();
		if (!TextUtils.equals(currentTimeZone, mLastTimeZone)) {
		// refresh the list to make sure home time zone is displayed / removed
		mReloadCitiesList = true;
		mLastTimeZone = currentTimeZone;
		Log.v(TAG,"Detected time zone change,updating time zone to " + currentTimeZone);
		}
		// For any time change or locale change, refresh all
		refreshAll(context, widgetManager);
		mQuarterHourUpdater.reset();
		}
		}

		// For any time change or locale change, refresh all
		protected void refreshAll(Context context, AppWidgetManager widgetManager) {
		widgetManager.notifyAppWidgetViewDataChanged(mId, R.id.digital_appwidget_listview);
		RemoteViews widget =
		new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
		RemoteViews widget = new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
		float ratio = WidgetUtils.getScaleRatio(context, null, mId);
		WidgetUtils.setClockSize(context, widget, ratio);
		refreshAlarm(context, widget);
		widgetManager.partiallyUpdateAppWidget(mId, widget);
		mQuarterlyIntent = Utils.refreshAlarmOnQuarterHour(context, mQuarterlyIntent);
		}
		}

		protected static void refreshAlarm(Context context, RemoteViews widget) {

src/com/android/deskclock/Utils.java

+24 −0

Original line number	Diff line number	Diff line
		@@ -421,6 +421,30 @@ public class Utils {
		handler.removeCallbacks(runnable);
		}

		// Setup a thread that starts at the quarter-hour plus one second. The extra second is added to
		// ensure dates have changed.
		public static void setQuarterHourUpdater(Handler handler, Runnable runnable) {
		String timezone = TimeZone.getDefault().getID();
		if (handler == null \|\| runnable == null \|\| timezone == null) {
		return;
		}
		long runInMillis = getAlarmOnQuarterHour() - System.currentTimeMillis();
		// Ensure the delay is at least one second.
		if (runInMillis < 1000) {
		runInMillis = 1000;
		}
		handler.removeCallbacks(runnable);
		handler.postDelayed(runnable, runInMillis);
		}

		// Stop the quarter-hour update thread
		public static void cancelQuarterHourUpdater(Handler handler, Runnable runnable) {
		if (handler == null \|\| runnable == null) {
		return;
		}
		handler.removeCallbacks(runnable);
		}

		/**
		* For screensavers to set whether the digital or analog clock should be displayed.
		* Returns the view to be displayed.