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/*
* Copyright (C) 2012 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.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.provider.Settings;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.Log;
import android.util.TypedValue;
import android.view.View;
import android.widget.RemoteViews;
import android.widget.RemoteViewsService.RemoteViewsFactory;
import com.android.deskclock.Alarms;
import com.android.deskclock.R;
import com.android.deskclock.Utils;
import com.android.deskclock.worldclock.CityObj;
import com.android.deskclock.worldclock.WorldClockAdapter;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
public class DigitalWidgetViewsFactory extends BroadcastReceiver implements RemoteViewsFactory {
private static final String TAG = "DigitalWidgetViewsFactory";
private Context mContext;
private int mId = AppWidgetManager.INVALID_APPWIDGET_ID;
private RemoteWorldClockAdapter mAdapter;
private boolean mReloadCitiesList = true;
private boolean mReloadCitiesDb = true;
private float mFontScale = 1;
private float mListScale = 1;
private PendingIntent mQuarterlyIntent;
private String mLastTimeZone;
// An adapter to provide the view for the list of cities in the world clock.
private class RemoteWorldClockAdapter extends WorldClockAdapter {
private final float mFontSize;
public RemoteWorldClockAdapter(Context context) {
super(context);
mFontSize = context.getResources().getDimension(R.dimen.widget_medium_font_size);
}
public RemoteViews getViewAt(int position) {
// There are 2 cities per item
int index = position * 2;
if (index < 0 || index >= mCitiesList.length) {
return null;
}
RemoteViews views = new RemoteViews(
mContext.getPackageName(), R.layout.world_clock_remote_list_item);
// Always how the left clock
updateView(views, (CityObj) mCitiesList[index], R.id.leftClock1, R.id.leftClock2,
R.id.city_name_left, R.id.city_day_left);
// Show the right clock if any, make it invisible if there is no
// clock on the right
// to keep the left view on the left.
if (index + 1 < mCitiesList.length) {
updateView(views, (CityObj) mCitiesList[index + 1], R.id.rightClock1,
R.id.rightClock2, R.id.city_name_right, R.id.city_day_right);
} else {
hideView(views, R.id.rightClock1, R.id.rightClock2, R.id.city_name_right,
R.id.city_day_right);
}
return views;
}
private void updateView(RemoteViews clock, CityObj cityObj, int clockId1, int clockId2,
int labelId, int dayId) {
final Calendar now = Calendar.getInstance();
now.setTimeInMillis(System.currentTimeMillis());
int myDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
CityObj cityInDb = mCitiesDb.get(cityObj.mCityId);
String cityTZ = (cityInDb != null) ? cityInDb.mTimeZone : cityObj.mTimeZone;
now.setTimeZone(TimeZone.getTimeZone(cityTZ));
int cityDayOfWeek = now.get(Calendar.DAY_OF_WEEK);
float scale = Math.min(mFontScale, mListScale);
clock.setTextViewTextSize(clockId1, TypedValue.COMPLEX_UNIT_PX, mFontSize * scale);
clock.setTextViewTextSize(clockId2, TypedValue.COMPLEX_UNIT_PX, mFontSize * scale);
clock.setString(clockId1, "setTimeZone", cityObj.mTimeZone);
clock.setString(clockId2, "setTimeZone", cityObj.mTimeZone);
// Home city or city not in DB , use data from the save selected cities list
clock.setTextViewText(labelId, Utils.getCityName(cityObj, cityInDb));
if (myDayOfWeek != cityDayOfWeek) {
clock.setTextViewText(dayId, mContext.getString(
R.string.world_day_of_week_label, now.getDisplayName(
Calendar.DAY_OF_WEEK, Calendar.SHORT, Locale.getDefault())));
clock.setViewVisibility(dayId, View.VISIBLE);
} else {
clock.setViewVisibility(dayId, View.GONE);
}
clock.setViewVisibility(clockId1, View.VISIBLE);
clock.setViewVisibility(clockId2, View.VISIBLE);
clock.setViewVisibility(labelId, View.VISIBLE);
}
private void hideView(
RemoteViews clock, int clockId1, int clockId2, int labelId, int dayId) {
clock.setViewVisibility(clockId1, View.INVISIBLE);
clock.setViewVisibility(clockId2, View.INVISIBLE);
clock.setViewVisibility(labelId, View.INVISIBLE);
clock.setViewVisibility(dayId, View.INVISIBLE);
}
}
public DigitalWidgetViewsFactory(Context c, Intent intent) {
mContext = c;
mId = intent.getIntExtra(
AppWidgetManager.EXTRA_APPWIDGET_ID, AppWidgetManager.INVALID_APPWIDGET_ID);
mAdapter = new RemoteWorldClockAdapter(c);
mLastTimeZone = TimeZone.getDefault().getID();
}
public DigitalWidgetViewsFactory() {
}
@Override
public int getCount() {
if (WidgetUtils.showList(mContext, mId, mFontScale)) {
return mAdapter.getCount();
}
return 0;
}
@Override
public long getItemId(int position) {
return position;
}
@Override
public RemoteViews getLoadingView() {
return null;
}
@Override
public RemoteViews getViewAt(int position) {
RemoteViews v = mAdapter.getViewAt(position);
if (v != null) {
Intent fillInIntent = new Intent();
v.setOnClickFillInIntent(R.id.widget_item, fillInIntent);
}
return v;
}
@Override
public int getViewTypeCount() {
return 1;
}
@Override
public boolean hasStableIds() {
return true;
}
@Override
public void onCreate() {
mQuarterlyIntent = Utils.startAlarmOnQuarterHour(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("com.android.deskclock.NEXT_ALARM_TIME_SET");
filter.addAction("com.android.deskclock.worldclock.update");
mContext.registerReceiver(this, filter);
}
@Override
public void onDataSetChanged() {
if (mReloadCitiesList) {
mAdapter.loadData(mContext);
mReloadCitiesList = false;
}
if (mReloadCitiesDb) {
mAdapter.loadCitiesDb(mContext);
mReloadCitiesDb = false;
}
mFontScale = WidgetUtils.getScaleRatio(mContext, null, mId);
mListScale = WidgetUtils.getHeightScaleRatio(mContext, null, mId);
}
@Override
public void onDestroy() {
Utils.cancelAlarmOnQuarterHour(mContext, mQuarterlyIntent);
mContext.unregisterReceiver(this);
}
@Override
public void onReceive(Context context, Intent intent) {
if (mId == AppWidgetManager.INVALID_APPWIDGET_ID) {
return;
}
mContext = context;
String action = intent.getAction();
AppWidgetManager widgetManager = AppWidgetManager.getInstance(context);
if (action.equals("com.android.deskclock.NEXT_ALARM_TIME_SET")) {
// Update the next alarm text view
RemoteViews widget =
new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
refreshAlarm(context, widget);
widgetManager.partiallyUpdateAppWidget(mId, widget);
} else if (action.equals("com.android.deskclock.worldclock.update")) {
// Reload the list of cities
mReloadCitiesList = true;
widgetManager.notifyAppWidgetViewDataChanged(mId, R.id.digital_appwidget_listview);
} else if (action.equals(Intent.ACTION_SCREEN_ON)) {
RemoteViews widget =
new RemoteViews(context.getPackageName(), R.layout.digital_appwidget);
refreshAlarm(context, widget);
widgetManager.partiallyUpdateAppWidget(mId, widget);
} else {
if (action.equals(Intent.ACTION_TIMEZONE_CHANGED)) {
// refresh the list to make sure home time zone is displayed / removed
mReloadCitiesList = true;
mLastTimeZone = TimeZone.getDefault().getID();
} 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
widgetManager.notifyAppWidgetViewDataChanged(mId, R.id.digital_appwidget_listview);
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);
}
}
private void refreshAlarm(Context c, RemoteViews widget) {
String nextAlarm = Settings.System.getString(c.getContentResolver(),
Settings.System.NEXT_ALARM_FORMATTED);
if (!TextUtils.isEmpty(nextAlarm)) {
widget.setTextViewText(R.id.nextAlarm,
c.getString(R.string.control_set_alarm_with_existing, nextAlarm));
widget.setViewVisibility(R.id.nextAlarm, View.VISIBLE);
} else {
widget.setViewVisibility(R.id.nextAlarm, View.GONE);
}
}
}