Use CoreSettingsObserver for accessing text flags (473adff6) · Commits · e / os / android_frameworks_base

core/java/android/text/ClientFlags.java

0 → 100644

+58 −0

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		/*
		* Copyright (C) 2023 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 android.text;

		import com.android.text.flags.Flags;

		/**
		* An aconfig feature flags that can be accessible from application process without
		* ContentProvider IPCs.
		*
		* When you add new flags, you have to add flag string to {@link TextFlags#TEXT_ACONFIGS_FLAGS}.
		*
		* @hide
		*/
		public class ClientFlags {

		/**
		* @see Flags#deprecateFontsXml()
		*/
		public static boolean deprecateFontsXml() {
		return TextFlags.isFeatureEnabled(Flags.FLAG_DEPRECATE_FONTS_XML);
		}

		/**
		* @see Flags#noBreakNoHyphenationSpan()
		*/
		public static boolean noBreakNoHyphenationSpan() {
		return TextFlags.isFeatureEnabled(Flags.FLAG_NO_BREAK_NO_HYPHENATION_SPAN);
		}

		/**
		* @see Flags#phraseStrictFallback()
		*/
		public static boolean phraseStrictFallback() {
		return TextFlags.isFeatureEnabled(Flags.FLAG_PHRASE_STRICT_FALLBACK);
		}

		/**
		* @see Flags#useBoundsForWidth()
		*/
		public static boolean useBoundsForWidth() {
		return TextFlags.isFeatureEnabled(Flags.FLAG_USE_BOUNDS_FOR_WIDTH);
		}
		}

core/java/android/text/TextFlags.java

+29 −0

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		@@ -16,6 +16,11 @@

		package android.text;

		import android.annotation.NonNull;
		import android.app.AppGlobals;

		import com.android.text.flags.Flags;

		/**
		* Flags in the "text" namespace.
		*
		@@ -46,4 +51,28 @@ public final class TextFlags {
		*/
		public static final boolean ENABLE_NEW_CONTEXT_MENU_DEFAULT = true;

		/**
		* List of text flags to be transferred to the application process.
		*/
		public static final String[] TEXT_ACONFIGS_FLAGS = {
		Flags.FLAG_DEPRECATE_FONTS_XML,
		Flags.FLAG_NO_BREAK_NO_HYPHENATION_SPAN,
		Flags.FLAG_PHRASE_STRICT_FALLBACK,
		Flags.FLAG_USE_BOUNDS_FOR_WIDTH,
		};

		/**
		* Get a key for the feature flag.
		*/
		public static String getKeyForFlag(@NonNull String flag) {
		return "text__" + flag;
		}

		/**
		* Return true if the feature flag is enabled.
		*/
		public static boolean isFeatureEnabled(@NonNull String flag) {
		return AppGlobals.getIntCoreSetting(
		getKeyForFlag(flag), 0 /* aconfig is false by default */) != 0;
		}
		}

core/java/android/widget/TextView.java

+2 −1

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		@@ -103,6 +103,7 @@ import android.os.SystemClock;
		import android.os.UserHandle;
		import android.provider.Settings;
		import android.text.BoringLayout;
		import android.text.ClientFlags;
		import android.text.DynamicLayout;
		import android.text.Editable;
		import android.text.GetChars;
		@@ -1634,7 +1635,7 @@ public class TextView extends View implements ViewTreeObserver.OnPreDrawListener
		}

		if (CompatChanges.isChangeEnabled(USE_BOUNDS_FOR_WIDTH)) {
		mUseBoundsForWidth = false; // TODO: Connect to the flag.
		mUseBoundsForWidth = ClientFlags.useBoundsForWidth();
		} else {
		mUseBoundsForWidth = false;
		}

services/core/java/com/android/server/am/CoreSettingsObserver.java

+10 −0

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		@@ -173,6 +173,16 @@ final class CoreSettingsObserver extends ContentObserver {
		TextFlags.NAMESPACE, TextFlags.ENABLE_NEW_CONTEXT_MENU,
		TextFlags.KEY_ENABLE_NEW_CONTEXT_MENU, boolean.class,
		TextFlags.ENABLE_NEW_CONTEXT_MENU_DEFAULT));

		// Register all text aconfig flags.
		for (String flag : TextFlags.TEXT_ACONFIGS_FLAGS) {
		sDeviceConfigEntries.add(new DeviceConfigEntry<Boolean>(
		TextFlags.NAMESPACE,
		flag,
		TextFlags.getKeyForFlag(flag),
		boolean.class,
		false)); // All aconfig flags are false by default.
		}
		// add other device configs here...
		}
		private static volatile boolean sDeviceConfigContextEntriesLoaded = false;