private static final StateTracker sWifiState = new WifiStateTracker();
private static final StateTracker sBluetoothState = new BluetoothStateTracker();
+ private static final StateTracker sGpsState = new GpsStateTracker();
+ private static final StateTracker sSyncState = new SyncStateTracker();
/**
- * The state machine for Wifi and Bluetooth toggling, tracking
- * reality versus the user's intent.
+ * The state machine for a setting's toggling, tracking reality
+ * versus the user's intent.
*
* This is necessary because reality moves relatively slowly
* (turning on & off radio drivers), compared to user's
}
/**
+ * Return the ID of the main large image button for the setting.
+ */
+ public abstract int getButtonId();
+
+ /**
+ * Returns the small indicator image ID underneath the setting.
+ */
+ public abstract int getIndicatorId();
+
+ /**
+ * Returns the resource ID of the image to show as a function of
+ * the on-vs-off state.
+ */
+ public abstract int getButtonImageId(boolean on);
+
+ /**
+ * Updates the remote views depending on the state (off, on,
+ * turning off, turning on) of the setting.
+ */
+ public final void setImageViewResources(Context context, RemoteViews views) {
+ int buttonId = getButtonId();
+ int indicatorId = getIndicatorId();
+ switch (getTriState(context)) {
+ case STATE_DISABLED:
+ views.setImageViewResource(buttonId, getButtonImageId(false));
+ views.setImageViewResource(
+ indicatorId, R.drawable.appwidget_settings_ind_off_l);
+ break;
+ case STATE_ENABLED:
+ views.setImageViewResource(buttonId, getButtonImageId(true));
+ views.setImageViewResource(
+ indicatorId, R.drawable.appwidget_settings_ind_on_l);
+ break;
+ case STATE_INTERMEDIATE:
+ // In the transitional state, the bottom green bar
+ // shows the tri-state (on, off, transitioning), but
+ // the top dark-gray-or-bright-white logo shows the
+ // user's intent. This is much easier to see in
+ // sunlight.
+ if (isTurningOn()) {
+ views.setImageViewResource(buttonId, getButtonImageId(true));
+ views.setImageViewResource(
+ indicatorId, R.drawable.appwidget_settings_ind_mid_l);
+ } else {
+ views.setImageViewResource(buttonId, getButtonImageId(false));
+ views.setImageViewResource(
+ indicatorId, R.drawable.appwidget_settings_ind_off_l);
+ }
+ break;
+ }
+ }
+
+ /**
* Update internal state from a broadcast state change.
*/
public abstract void onActualStateChange(Context context, Intent intent);
* Subclass of StateTracker to get/set Wifi state.
*/
private static final class WifiStateTracker extends StateTracker {
+ public int getButtonId() { return R.id.img_wifi; }
+ public int getIndicatorId() { return R.id.ind_wifi; }
+ public int getButtonImageId(boolean on) {
+ return on ? R.drawable.ic_appwidget_settings_wifi_on
+ : R.drawable.ic_appwidget_settings_wifi_off;
+ }
+
@Override
public int getActualState(Context context) {
WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
@Override
protected void requestStateChange(Context context, final boolean desiredState) {
- final WifiManager wifiManager = (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
+ final WifiManager wifiManager =
+ (WifiManager) context.getSystemService(Context.WIFI_SERVICE);
if (wifiManager == null) {
Log.d(TAG, "No wifiManager.");
return;
* Subclass of StateTracker to get/set Bluetooth state.
*/
private static final class BluetoothStateTracker extends StateTracker {
+ public int getButtonId() { return R.id.img_bluetooth; }
+ public int getIndicatorId() { return R.id.ind_bluetooth; }
+ public int getButtonImageId(boolean on) {
+ return on ? R.drawable.ic_appwidget_settings_bluetooth_on
+ : R.drawable.ic_appwidget_settings_bluetooth_off;
+ }
@Override
public int getActualState(Context context) {
}
}
+ /**
+ * Subclass of StateTracker for GPS state.
+ */
+ private static final class GpsStateTracker extends StateTracker {
+ public int getButtonId() { return R.id.img_gps; }
+ public int getIndicatorId() { return R.id.ind_gps; }
+ public int getButtonImageId(boolean on) {
+ return on ? R.drawable.ic_appwidget_settings_gps_on
+ : R.drawable.ic_appwidget_settings_gps_off;
+ }
+
+ @Override
+ public int getActualState(Context context) {
+ ContentResolver resolver = context.getContentResolver();
+ boolean on = Settings.Secure.isLocationProviderEnabled(
+ resolver, LocationManager.GPS_PROVIDER);
+ return on ? STATE_ENABLED : STATE_DISABLED;
+ }
+
+ @Override
+ public void onActualStateChange(Context context, Intent unused) {
+ // Note: the broadcast location providers changed intent
+ // doesn't include an extras bundles saying what the new value is.
+ setCurrentState(context, getActualState(context));
+ }
+
+ @Override
+ public void requestStateChange(final Context context, final boolean desiredState) {
+ final ContentResolver resolver = context.getContentResolver();
+ new AsyncTask<Void, Void, Boolean>() {
+ @Override
+ protected Boolean doInBackground(Void... args) {
+ Settings.Secure.setLocationProviderEnabled(
+ resolver,
+ LocationManager.GPS_PROVIDER,
+ desiredState);
+ return desiredState;
+ }
+
+ @Override
+ protected void onPostExecute(Boolean result) {
+ setCurrentState(
+ context,
+ result ? STATE_ENABLED : STATE_DISABLED);
+ updateWidget(context);
+ }
+ }.execute();
+ }
+ }
+
+ /**
+ * Subclass of StateTracker for sync state.
+ */
+ private static final class SyncStateTracker extends StateTracker {
+ public int getButtonId() { return R.id.img_sync; }
+ public int getIndicatorId() { return R.id.ind_sync; }
+ public int getButtonImageId(boolean on) {
+ return on ? R.drawable.ic_appwidget_settings_sync_on
+ : R.drawable.ic_appwidget_settings_sync_off;
+ }
+
+ @Override
+ public int getActualState(Context context) {
+ boolean on = getBackgroundDataState(context) &&
+ ContentResolver.getMasterSyncAutomatically();
+ return on ? STATE_ENABLED : STATE_DISABLED;
+ }
+
+ @Override
+ public void onActualStateChange(Context context, Intent unused) {
+ // Well, ACTION_CLOSE_SYSTEM_DIALOGS fired. So _maybe_
+ // the Sync settings changed.
+ // TODO: find something more reliable.
+ setCurrentState(context, getActualState(context));
+ }
+
+ @Override
+ public void requestStateChange(final Context context, final boolean desiredState) {
+ final ConnectivityManager connManager =
+ (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
+ final boolean backgroundData = getBackgroundDataState(context);
+ final boolean sync = ContentResolver.getMasterSyncAutomatically();
+
+ new AsyncTask<Void, Void, Boolean>() {
+ @Override
+ protected Boolean doInBackground(Void... args) {
+ // Turning sync on.
+ if (desiredState) {
+ if (!backgroundData) {
+ connManager.setBackgroundDataSetting(true);
+ }
+ if (!sync) {
+ ContentResolver.setMasterSyncAutomatically(true);
+ }
+ return true;
+ }
+
+ // Turning sync off
+ if (sync) {
+ ContentResolver.setMasterSyncAutomatically(false);
+ }
+ return false;
+ }
+
+ @Override
+ protected void onPostExecute(Boolean result) {
+ setCurrentState(
+ context,
+ result ? STATE_ENABLED : STATE_DISABLED);
+ updateWidget(context);
+ }
+ }.execute();
+ }
+ }
@Override
public void onUpdate(Context context, AppWidgetManager appWidgetManager,
* @param context
*/
private static void updateButtons(RemoteViews views, Context context) {
- switch (sWifiState.getTriState(context)) {
- case STATE_DISABLED:
- views.setImageViewResource(R.id.img_wifi,
- R.drawable.ic_appwidget_settings_wifi_off);
- views.setImageViewResource(R.id.ind_wifi,
- R.drawable.appwidget_settings_ind_off_l);
- break;
- case STATE_ENABLED:
- views.setImageViewResource(R.id.img_wifi,
- R.drawable.ic_appwidget_settings_wifi_on);
- views.setImageViewResource(R.id.ind_wifi,
- R.drawable.appwidget_settings_ind_on_l);
- break;
- case STATE_INTERMEDIATE:
- // In the transitional state, the bottom green bar
- // shows the tri-state (on, off, transitioning), but
- // the top dark-gray-or-bright-white logo shows the
- // user's intent. This is much easier to see in
- // sunlight.
- if (sWifiState.isTurningOn()) {
- views.setImageViewResource(R.id.img_wifi,
- R.drawable.ic_appwidget_settings_wifi_on);
- views.setImageViewResource(R.id.ind_wifi,
- R.drawable.appwidget_settings_ind_mid_l);
- } else {
- views.setImageViewResource(R.id.img_wifi,
- R.drawable.ic_appwidget_settings_wifi_off);
- views.setImageViewResource(R.id.ind_wifi,
- R.drawable.appwidget_settings_ind_off_l);
- }
- break;
- }
+ sWifiState.setImageViewResources(context, views);
+ sBluetoothState.setImageViewResources(context, views);
+ sGpsState.setImageViewResources(context, views);
+ sSyncState.setImageViewResources(context, views);
+
if (getBrightnessMode(context)) {
views.setImageViewResource(R.id.img_brightness,
R.drawable.ic_appwidget_settings_brightness_auto);
views.setImageViewResource(R.id.ind_brightness,
R.drawable.appwidget_settings_ind_off_r);
}
- if (getSync(context)) {
- views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_on);
- views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_on_c);
- } else {
- views.setImageViewResource(R.id.img_sync, R.drawable.ic_appwidget_settings_sync_off);
- views.setImageViewResource(R.id.ind_sync, R.drawable.appwidget_settings_ind_off_c);
- }
- if (getGpsState(context)) {
- views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_on);
- views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_on_c);
- } else {
- views.setImageViewResource(R.id.img_gps, R.drawable.ic_appwidget_settings_gps_off);
- views.setImageViewResource(R.id.ind_gps, R.drawable.appwidget_settings_ind_off_c);
- }
- switch (sBluetoothState.getTriState(context)) {
- case STATE_DISABLED:
- views.setImageViewResource(R.id.img_bluetooth,
- R.drawable.ic_appwidget_settings_bluetooth_off);
- views.setImageViewResource(R.id.ind_bluetooth,
- R.drawable.appwidget_settings_ind_off_c);
- break;
- case STATE_ENABLED:
- views.setImageViewResource(R.id.img_bluetooth,
- R.drawable.ic_appwidget_settings_bluetooth_on);
- views.setImageViewResource(R.id.ind_bluetooth,
- R.drawable.appwidget_settings_ind_on_c);
- break;
- case STATE_INTERMEDIATE:
- // In the transitional state, the bottom green bar
- // shows the tri-state (on, off, transitioning), but
- // the top dark-gray-or-bright-white logo shows the
- // user's intent. This is much easier to see in
- // sunlight.
- if (sBluetoothState.isTurningOn()) {
- views.setImageViewResource(R.id.img_bluetooth,
- R.drawable.ic_appwidget_settings_bluetooth_on);
- views.setImageViewResource(R.id.ind_bluetooth,
- R.drawable.appwidget_settings_ind_mid_c);
- } else {
- views.setImageViewResource(R.id.img_bluetooth,
- R.drawable.ic_appwidget_settings_bluetooth_off);
- views.setImageViewResource(R.id.ind_bluetooth,
- R.drawable.appwidget_settings_ind_off_c);
- }
- break;
- }
}
/**
@Override
public void onReceive(Context context, Intent intent) {
super.onReceive(context, intent);
- if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(intent.getAction())) {
+ String action = intent.getAction();
+ if (WifiManager.WIFI_STATE_CHANGED_ACTION.equals(action)) {
sWifiState.onActualStateChange(context, intent);
- } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(intent.getAction())) {
+ } else if (BluetoothAdapter.ACTION_STATE_CHANGED.equals(action)) {
sBluetoothState.onActualStateChange(context, intent);
+ } else if (LocationManager.PROVIDERS_CHANGED_ACTION.equals(action)) {
+ sGpsState.onActualStateChange(context, intent);
+ } else if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(action)) {
+ // Sadly, for lack of a "sync settings changed" intent,
+ // this is where we check where sync is enabled or not.
+ // It's not 100% reliable though as there are paths where
+ // this doesn't fire.
+ sSyncState.onActualStateChange(context, intent);
} else if (intent.hasCategory(Intent.CATEGORY_ALTERNATIVE)) {
Uri data = intent.getData();
int buttonId = Integer.parseInt(data.getSchemeSpecificPart());
} else if (buttonId == BUTTON_BRIGHTNESS) {
toggleBrightness(context);
} else if (buttonId == BUTTON_SYNC) {
- toggleSync(context);
+ sSyncState.toggleState(context);
} else if (buttonId == BUTTON_GPS) {
- toggleGps(context);
+ sGpsState.toggleState(context);
} else if (buttonId == BUTTON_BLUETOOTH) {
sBluetoothState.toggleState(context);
}
}
/**
- * Gets the state of auto-sync.
- *
- * @param context
- * @return true if enabled
- */
- private static boolean getSync(Context context) {
- boolean backgroundData = getBackgroundDataState(context);
- boolean sync = ContentResolver.getMasterSyncAutomatically();
- return backgroundData && sync;
- }
-
- /**
- * Toggle auto-sync
- *
- * @param context
- */
- private void toggleSync(Context context) {
- ConnectivityManager connManager =
- (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE);
- boolean backgroundData = getBackgroundDataState(context);
- boolean sync = ContentResolver.getMasterSyncAutomatically();
-
- // four cases to handle:
- // setting toggled from off to on:
- // 1. background data was off, sync was off: turn on both
- if (!backgroundData && !sync) {
- connManager.setBackgroundDataSetting(true);
- ContentResolver.setMasterSyncAutomatically(true);
- }
-
- // 2. background data was off, sync was on: turn on background data
- if (!backgroundData && sync) {
- connManager.setBackgroundDataSetting(true);
- }
-
- // 3. background data was on, sync was off: turn on sync
- if (backgroundData && !sync) {
- ContentResolver.setMasterSyncAutomatically(true);
- }
-
- // setting toggled from on to off:
- // 4. background data was on, sync was on: turn off sync
- if (backgroundData && sync) {
- ContentResolver.setMasterSyncAutomatically(false);
- }
- }
-
- /**
- * Gets the state of GPS location.
- *
- * @param context
- * @return true if enabled.
- */
- private static boolean getGpsState(Context context) {
- ContentResolver resolver = context.getContentResolver();
- return Settings.Secure.isLocationProviderEnabled(resolver, LocationManager.GPS_PROVIDER);
- }
-
- /**
- * Toggles the state of GPS.
- *
- * @param context
- */
- private void toggleGps(Context context) {
- ContentResolver resolver = context.getContentResolver();
- boolean enabled = getGpsState(context);
- Settings.Secure.setLocationProviderEnabled(resolver, LocationManager.GPS_PROVIDER,
- !enabled);
- }
-
- /**
* Gets state of brightness.
*
* @param context
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