Wallpaper Local color sampling am: 9c12bcc5d8 (022ac5d4) · Commits · e / os / android_frameworks_base

core/java/android/app/ILocalWallpaperColorConsumer.aidl

0 → 100644

+27 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2021 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.app;

		import android.app.WallpaperColors;
		import android.graphics.RectF;

		/**
		* @hide
		*/
		oneway interface ILocalWallpaperColorConsumer {
		void onColorsChanged(in RectF area, in WallpaperColors colors);
		}
		No newline at end of file

core/java/android/app/IWallpaperManager.aidl

+14 −0

Original line number	Diff line number	Diff line
		@@ -17,9 +17,11 @@
		package android.app;

		import android.graphics.Rect;
		import android.graphics.RectF;
		import android.os.Bundle;
		import android.os.ParcelFileDescriptor;
		import android.app.IWallpaperManagerCallback;
		import android.app.ILocalWallpaperColorConsumer;
		import android.app.WallpaperInfo;
		import android.content.ComponentName;
		import android.app.WallpaperColors;
		@@ -161,6 +163,18 @@ interface IWallpaperManager {
		*/
		WallpaperColors getWallpaperColors(int which, int userId, int displayId);

		/**
		* @hide
		*/
		void removeOnLocalColorsChangedListener(
		in ILocalWallpaperColorConsumer callback, int which, int userId, int displayId);

		/**
		* @hide
		*/
		void addOnLocalColorsChangedListener(in ILocalWallpaperColorConsumer callback,
		in List<RectF> regions, int which, int userId, int displayId);

		/**
		* Register a callback to receive color updates from a display
		*/

core/java/android/app/WallpaperManager.java

+76 −0

Original line number	Diff line number	Diff line
		@@ -66,6 +66,7 @@ import android.os.RemoteException;
		import android.os.StrictMode;
		import android.os.SystemProperties;
		import android.text.TextUtils;
		import android.util.ArrayMap;
		import android.util.Log;
		import android.util.Pair;
		import android.view.Display;
		@@ -107,6 +108,8 @@ public class WallpaperManager {
		private static boolean DEBUG = false;
		private float mWallpaperXStep = -1;
		private float mWallpaperYStep = -1;
		private static final @NonNull RectF LOCAL_COLOR_BOUNDS =
		new RectF(0, 0, 1, 1);

		/** {@hide} */
		private static final String PROP_WALLPAPER = "ro.config.wallpaper";
		@@ -309,6 +312,8 @@ public class WallpaperManager {
		private int mCachedWallpaperUserId;
		private Bitmap mDefaultWallpaper;
		private Handler mMainLooperHandler;
		private ArrayMap<LocalWallpaperColorConsumer, ILocalWallpaperColorConsumer>
		mLocalColorCallbacks = new ArrayMap<>();

		Globals(IWallpaperManager service, Looper looper) {
		mService = service;
		@@ -350,6 +355,40 @@ public class WallpaperManager {
		}
		}

		private ILocalWallpaperColorConsumer wrap(LocalWallpaperColorConsumer callback) {
		ILocalWallpaperColorConsumer callback2 = new ILocalWallpaperColorConsumer.Stub() {
		@Override
		public void onColorsChanged(RectF area, WallpaperColors colors) {
		callback.onColorsChanged(area, colors);
		}
		};
		mLocalColorCallbacks.put(callback, callback2);
		return callback2;
		}

		public void addOnColorsChangedListener(@NonNull LocalWallpaperColorConsumer callback,
		@NonNull List<RectF> regions, int which, int userId, int displayId) {
		try {
		mService.addOnLocalColorsChangedListener(wrap(callback) , regions, which,
		userId, displayId);
		} catch (RemoteException e) {
		// Can't get colors, connection lost.
		}
		}

		public void removeOnColorsChangedListener(
		@NonNull LocalWallpaperColorConsumer callback, int which, int userId,
		int displayId) {
		ILocalWallpaperColorConsumer callback2 = mLocalColorCallbacks.remove(callback);
		if (callback2 == null) return;
		try {
		mService.removeOnLocalColorsChangedListener(
		callback2, which, userId, displayId);
		} catch (RemoteException e) {
		// Can't get colors, connection lost.
		}
		}

		/**
		* Stop listening to wallpaper color events.
		*
		@@ -1056,6 +1095,29 @@ public class WallpaperManager {
		return sGlobals.getWallpaperColors(which, userId, mContext.getDisplayId());
		}

		/**
		* @hide
		*/
		public void addOnColorsChangedListener(@NonNull LocalWallpaperColorConsumer callback,
		List<RectF> regions) throws IllegalArgumentException {
		for (RectF region : regions) {
		if (!LOCAL_COLOR_BOUNDS.contains(region)) {
		throw new IllegalArgumentException("Regions must be within bounds "
		+ LOCAL_COLOR_BOUNDS);
		}
		}
		sGlobals.addOnColorsChangedListener(callback, regions, FLAG_SYSTEM,
		mContext.getUserId(), mContext.getDisplayId());
		}

		/**
		* @hide
		*/
		public void removeOnColorsChangedListener(@NonNull LocalWallpaperColorConsumer callback) {
		sGlobals.removeOnColorsChangedListener(callback, FLAG_SYSTEM, mContext.getUserId(),
		mContext.getDisplayId());
		}

		/**
		* Version of {@link #getWallpaperFile(int)} that can access the wallpaper data
		* for a given user. The caller must hold the INTERACT_ACROSS_USERS_FULL
		@@ -2202,4 +2264,18 @@ public class WallpaperManager {
		onColorsChanged(colors, which);
		}
		}

		/**
		* Callback to update a consumer with a local color change
		* @hide
		*/
		public interface LocalWallpaperColorConsumer {

		/**
		* Gets called when a color of an area gets updated
		* @param area
		* @param colors
		*/
		void onColorsChanged(RectF area, WallpaperColors colors);
		}
		}

core/java/android/service/wallpaper/EngineWindowPage.java

0 → 100644

+96 −0

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		/*
		* Copyright (C) 2020 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.service.wallpaper;

		import android.app.WallpaperColors;
		import android.graphics.Bitmap;
		import android.graphics.RectF;
		import android.util.ArrayMap;
		import android.util.ArraySet;

		import java.util.Map;
		import java.util.Set;
		import java.util.function.Consumer;

		/**
		* This class represents a page of a launcher page used by the wallpaper
		* @hide
		*/
		public class EngineWindowPage {
		private Bitmap mScreenShot;
		private volatile long mLastUpdateTime;
		private Set<RectF> mCallbackAreas = new ArraySet<>();
		private Map<RectF, WallpaperColors> mRectFColors = new ArrayMap<>();

		/** should be locked extrnally */
		public void addArea(RectF area) {
		mCallbackAreas.add(area);
		}

		/** should be locked extrnally */
		public void addWallpaperColors(RectF area, WallpaperColors colors) {
		mCallbackAreas.add(area);
		mRectFColors.put(area, colors);
		}

		/** get screenshot bitmap */
		public Bitmap getBitmap() {
		if (mScreenShot == null \|\| mScreenShot.isRecycled()) return null;
		return mScreenShot;
		}

		/** remove callbacks for an area */
		public void removeArea(RectF area) {
		mCallbackAreas.remove(area);
		mRectFColors.remove(area);
		}

		/** set the last time the screenshot was updated */
		public void setLastUpdateTime(long lastUpdateTime) {
		mLastUpdateTime = lastUpdateTime;
		}

		/** get last screenshot time */
		public long getLastUpdateTime() {
		return mLastUpdateTime;
		}

		/** get colors for an area */
		public WallpaperColors getColors(RectF rect) {
		return mRectFColors.get(rect);
		}

		/** set the new bitmap version */
		public void setBitmap(Bitmap screenShot) {
		mScreenShot = screenShot;
		}

		/** get areas of interest */
		public Set<RectF> getAreas() {
		return mCallbackAreas;
		}

		/** run operations on this page */
		public synchronized void execSync(Consumer<EngineWindowPage> run) {
		run.accept(this);
		}

		/** nullify the area color */
		public void removeColor(RectF colorArea) {
		mRectFColors.remove(colorArea);
		}
		}

core/java/android/service/wallpaper/IWallpaperConnection.aidl

+2 −0

Original line number	Diff line number	Diff line
		@@ -16,6 +16,7 @@

		package android.service.wallpaper;

		import android.graphics.RectF;
		import android.os.ParcelFileDescriptor;
		import android.service.wallpaper.IWallpaperEngine;
		import android.app.WallpaperColors;
		@@ -28,4 +29,5 @@ interface IWallpaperConnection {
		void engineShown(IWallpaperEngine engine);
		ParcelFileDescriptor setWallpaper(String name);
		void onWallpaperColorsChanged(in WallpaperColors colors, int displayId);
		void onLocalWallpaperColorsChanged(in RectF area, in WallpaperColors colors, int displayId);
		}