Merge "Send APPWIDGET_UPDATE when font scale setting changes" into main (0f7b4ace) · Commits · e / os / android_frameworks_base

services/appwidget/java/com/android/server/appwidget/AppWidgetServiceImpl.java

+51 −0

Original line number	Diff line number	Diff line
		@@ -91,6 +91,7 @@ import android.content.pm.UserPackage;
		import android.content.res.Resources;
		import android.content.res.TypedArray;
		import android.content.res.XmlResourceParser;
		import android.database.ContentObserver;
		import android.graphics.Point;
		import android.graphics.drawable.Icon;
		import android.net.Uri;
		@@ -111,6 +112,7 @@ import android.os.Trace;
		import android.os.UserHandle;
		import android.os.UserManager;
		import android.provider.DeviceConfig;
		import android.provider.Settings;
		import android.service.appwidget.AppWidgetServiceDumpProto;
		import android.service.appwidget.GeneratedPreviewsProto;
		import android.service.appwidget.WidgetProto;
		@@ -178,6 +180,7 @@ import java.nio.charset.StandardCharsets;
		import java.time.Duration;
		import java.util.ArrayList;
		import java.util.Arrays;
		import java.util.Collection;
		import java.util.Collections;
		import java.util.HashMap;
		import java.util.HashSet;
		@@ -433,6 +436,7 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
		computeMaximumWidgetBitmapMemory();
		registerBroadcastReceiver();
		registerOnCrossProfileProvidersChangedListener();
		registerSettingsObserver();

		LocalServices.addService(AppWidgetManagerInternal.class, new AppWidgetManagerLocal());
		}
		@@ -609,6 +613,53 @@ class AppWidgetServiceImpl extends IAppWidgetService.Stub implements WidgetBacku
		}
		}

		/**
		* Registers a content observer for settings changes.
		*/
		private void registerSettingsObserver() {
		final Uri fontScaleUri = Settings.System.getUriFor(Settings.System.FONT_SCALE);
		final Uri[] urisToObserve = new Uri[]{fontScaleUri};

		final ContentObserver mSettingsObserver = new ContentObserver(mCallbackHandler) {
		@Override
		public void onChange(boolean selfChange, @NonNull Collection<Uri> uris, int flags,
		@NonNull UserHandle user) {
		for (Uri uri : uris) {
		if (uri.equals(fontScaleUri)) {
		onFontScaleChanged(user.getIdentifier());
		}
		}
		}
		};

		final ContentResolver resolver = mContext.getContentResolver();
		for (Uri uri : urisToObserve) {
		resolver.registerContentObserver(uri, /* notifyForDescendants= */ false,
		mSettingsObserver, UserHandle.USER_ALL);
		}
		}

		/**
		* When the font scale setting changes for a user, request a widget update from all of the
		* providers for that user.
		*/
		private void onFontScaleChanged(int userId) {
		if (DEBUG) {
		Slog.i(TAG, "onFontScaleChanged " + userId);
		}
		synchronized (mLock) {
		for (Provider provider : mProviders) {
		if (provider.widgets.isEmpty()
		\|\| (userId != UserHandle.getUserId(provider.id.uid)
		&& userId != UserHandle.USER_ALL)) {
		continue;
		}
		sendUpdateIntentLocked(provider, getWidgetIds(provider.widgets),
		/* interactive= */ true);
		}
		}
		}

		public void setSafeMode(boolean safeMode) {
		mSafeMode = safeMode;
		}