import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.Resources;
+import android.database.ContentObserver;
import android.database.Cursor;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
// Alarm action for midnight (so we can update the date display).
private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
- // Interval between polls of the weather widget. Its refresh period is
- // likely to be much longer (~3h), but we want to pick up any changes
- // within 5 minutes.
- private final long QUERY_WEATHER_DELAY = 5 * 60 * 1000; // 5 min
+ // Interval between forced polls of the weather widget.
+ private final long QUERY_WEATHER_DELAY = 60 * 60 * 1000; // 1 hr
// Delay before engaging the burn-in protection mode (green-on-black).
- private final long SCREEN_SAVER_TIMEOUT = 10 * 60 * 1000; // 10 min
+ private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
// Repositioning delay in screen saver.
private final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
private int mBatteryLevel = -1;
private boolean mPluggedIn = false;
- private boolean mInDock = false;
-
- private int mIdleTimeoutEpoch = 0;
+ private boolean mLaunchedFromDock = false;
private Random mRNG;
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
- if (Intent.ACTION_DATE_CHANGED.equals(action)) {
+ if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
+ if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
refreshDate();
} else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
handleBatteryUpdate(
intent.getIntExtra("status", BATTERY_STATUS_UNKNOWN),
intent.getIntExtra("level", 0));
+ } else if (Intent.ACTION_DOCK_EVENT.equals(action)) {
+ int state = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, -1);
+ if (DEBUG) Log.d(LOG_TAG, "ACTION_DOCK_EVENT, state=" + state);
+ if (state == Intent.EXTRA_DOCK_STATE_UNDOCKED) {
+ if (mLaunchedFromDock) {
+ // moveTaskToBack(false);
+ finish();
+ }
+ mLaunchedFromDock = false;
+ }
}
}
};
} else if (m.what == UPDATE_WEATHER_DISPLAY_MSG) {
updateWeatherDisplay();
} else if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
- if (m.arg1 == mIdleTimeoutEpoch) {
- saveScreen();
- }
+ saveScreen();
} else if (m.what == SCREEN_SAVER_MOVE_MSG) {
moveScreenSaver();
}
}
};
+ private final ContentObserver mContentObserver = new ContentObserver(mHandy) {
+ @Override
+ public void onChange(boolean selfChange) {
+ if (DEBUG) Log.d(LOG_TAG, "content observer notified that weather changed");
+ refreshWeather();
+ }
+ };
+
private void moveScreenSaver() {
moveScreenSaverTo(-1,-1);
win.setAttributes(winParams);
}
+ private void scheduleScreenSaver() {
+ // reschedule screen saver
+ mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
+ mHandy.sendMessageDelayed(
+ Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
+ SCREEN_SAVER_TIMEOUT);
+ }
+
private void restoreScreen() {
if (!mScreenSaverMode) return;
if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
doDim(false); // restores previous dim mode
// policy: update weather info when returning from screen saver
if (mPluggedIn) requestWeatherDataFetch();
+
+ scheduleScreenSaver();
+
refreshAll();
}
private void requestWeatherDataFetch() {
if (DEBUG) Log.d(LOG_TAG, "forcing the Genie widget to update weather now...");
sendBroadcast(new Intent(ACTION_GENIE_REFRESH).putExtra("requestWeather", true));
- // update the display with any new data
- scheduleWeatherQueryDelayed(5000);
+ // we expect the result to show up in our content observer
}
private boolean supportsWeather() {
}
@Override
+ public void onNewIntent(Intent newIntent) {
+ super.onNewIntent(newIntent);
+ if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
+
+ // update our intent so that we can consult it to determine whether or
+ // not the most recent launch was via a dock event
+ setIntent(newIntent);
+ }
+
+ @Override
public void onResume() {
super.onResume();
- if (DEBUG) Log.d(LOG_TAG, "onResume");
+ if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
// reload the date format in case the user has changed settings
// recently
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_DATE_CHANGED);
filter.addAction(Intent.ACTION_BATTERY_CHANGED);
+ filter.addAction(Intent.ACTION_DOCK_EVENT);
filter.addAction(ACTION_MIDNIGHT);
+ registerReceiver(mIntentReceiver, filter);
+ // Listen for updates to weather data
+ Uri weatherNotificationUri = new Uri.Builder()
+ .scheme(android.content.ContentResolver.SCHEME_CONTENT)
+ .authority(WEATHER_CONTENT_AUTHORITY)
+ .path(WEATHER_CONTENT_PATH)
+ .build();
+ getContentResolver().registerContentObserver(
+ weatherNotificationUri, true, mContentObserver);
+
+ // Elaborate mechanism to find out when the day rolls over
Calendar today = Calendar.getInstance();
+ today.set(Calendar.HOUR_OF_DAY, 0);
+ today.set(Calendar.MINUTE, 0);
+ today.set(Calendar.SECOND, 0);
today.add(Calendar.DATE, 1);
+ long alarmTimeUTC = today.getTimeInMillis() + today.get(Calendar.ZONE_OFFSET);
mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
- am.setRepeating(AlarmManager.RTC, today.getTimeInMillis(), AlarmManager.INTERVAL_DAY, mMidnightIntent);
- registerReceiver(mIntentReceiver, filter);
+ am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
+ if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at "
+ + alarmTimeUTC + " repeating every "
+ + AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
+
+ // un-dim when resuming
+ mDimmed = false;
+ doDim(false);
- doDim(false); // un-dim when resuming
restoreScreen(); // disable screen saver
refreshAll(); // will schedule periodic weather fetch
setWakeLock(mPluggedIn);
- mIdleTimeoutEpoch++;
- mHandy.sendMessageDelayed(
- Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG, mIdleTimeoutEpoch, 0),
- SCREEN_SAVER_TIMEOUT);
+ scheduleScreenSaver();
final boolean launchedFromDock
= getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
- if (supportsWeather() && launchedFromDock && !mInDock) {
+ if (supportsWeather() && launchedFromDock && !mLaunchedFromDock) {
// policy: fetch weather if launched via dock connection
if (DEBUG) Log.d(LOG_TAG, "Device now docked; forcing weather to refresh right now");
requestWeatherDataFetch();
}
- mInDock = launchedFromDock;
+ mLaunchedFromDock = launchedFromDock;
}
@Override
public void onPause() {
if (DEBUG) Log.d(LOG_TAG, "onPause");
- // Turn off the screen saver. (But don't un-dim.)
+ // Turn off the screen saver and cancel any pending timeouts.
+ // (But don't un-dim.)
+ mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
restoreScreen();
// Other things we don't want to be doing in the background.
unregisterReceiver(mIntentReceiver);
+ getContentResolver().unregisterContentObserver(mContentObserver);
+
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.cancel(mMidnightIntent);
unscheduleWeatherQuery();
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