Merge "Dim wallpaper by setting wallpaper layer transparency." into sc-dev (76fda9db) · Commits · e / os / android_frameworks_base

core/java/android/service/wallpaper/WallpaperService.java

+50 −1

Original line number	Diff line number	Diff line
		@@ -57,6 +57,7 @@ import android.os.Looper;
		import android.os.Message;
		import android.os.RemoteException;
		import android.os.SystemClock;
		import android.os.SystemProperties;
		import android.os.Trace;
		import android.util.ArraySet;
		import android.util.Log;
		@@ -155,6 +156,9 @@ public abstract class WallpaperService extends Service {

		private static final int NOTIFY_COLORS_RATE_LIMIT_MS = 1000;

		private static final boolean ENABLE_WALLPAPER_DIMMING =
		SystemProperties.getBoolean("persist.debug.enable_wallpaper_dimming", false);

		private final ArrayList<Engine> mActiveEngines
		= new ArrayList<Engine>();

		@@ -202,6 +206,7 @@ public abstract class WallpaperService extends Service {
		boolean mDrawingAllowed;
		boolean mOffsetsChanged;
		boolean mFixedSizeAllowed;
		boolean mShouldDim;
		int mWidth;
		int mHeight;
		int mFormat;
		@@ -253,6 +258,7 @@ public abstract class WallpaperService extends Service {
		private Display mDisplay;
		private Context mDisplayContext;
		private int mDisplayState;
		private float mWallpaperDimAmount = 0.05f;

		SurfaceControl mSurfaceControl = new SurfaceControl();
		SurfaceControl mBbqSurfaceControl;
		@@ -783,6 +789,42 @@ public abstract class WallpaperService extends Service {
		throw new RuntimeException(e);
		}
		}
		WallpaperColors primaryColors = mIWallpaperEngine.mWallpaperManager
		.getWallpaperColors(WallpaperManager.FLAG_SYSTEM);
		setPrimaryWallpaperColors(primaryColors);
		}

		private void setPrimaryWallpaperColors(WallpaperColors colors) {
		if (colors == null) {
		return;
		}
		int colorHints = colors.getColorHints();
		boolean shouldDim = ((colorHints & WallpaperColors.HINT_SUPPORTS_DARK_TEXT) == 0
		&& (colorHints & WallpaperColors.HINT_SUPPORTS_DARK_THEME) == 0);
		if (shouldDim != mShouldDim) {
		mShouldDim = shouldDim;
		updateSurfaceDimming();
		updateSurface(false, false, true);
		}
		}

		private void updateSurfaceDimming() {
		if (!ENABLE_WALLPAPER_DIMMING \|\| mBbqSurfaceControl == null) {
		return;
		}
		// TODO: apply the dimming to preview as well once surface transparency works in
		// preview mode.
		if (!isPreview() && mShouldDim) {
		Log.v(TAG, "Setting wallpaper dimming: " + mWallpaperDimAmount);
		new SurfaceControl.Transaction()
		.setAlpha(mBbqSurfaceControl, 1 - mWallpaperDimAmount)
		.apply();
		} else {
		Log.v(TAG, "Setting wallpaper dimming: " + 0);
		new SurfaceControl.Transaction()
		.setAlpha(mBbqSurfaceControl, 1.0f)
		.apply();
		}
		}

		/**
		@@ -986,6 +1028,7 @@ public abstract class WallpaperService extends Service {
		.setParent(mSurfaceControl)
		.setCallsite("Wallpaper#relayout")
		.build();
		updateSurfaceDimming();
		}
		Surface blastSurface = getOrCreateBLASTSurface(mSurfaceSize.x,
		mSurfaceSize.y, mFormat);
		@@ -1222,6 +1265,8 @@ public abstract class WallpaperService extends Service {
		// Use window context of TYPE_WALLPAPER so client can access UI resources correctly.
		mDisplayContext = createDisplayContext(mDisplay)
		.createWindowContext(TYPE_WALLPAPER, null /* options */);
		mWallpaperDimAmount = mDisplayContext.getResources().getFloat(
		com.android.internal.R.dimen.config_wallpaperDimAmount);
		mDisplayState = mDisplay.getState();

		if (DEBUG) Log.v(TAG, "onCreate(): " + this);
		@@ -1908,6 +1953,7 @@ public abstract class WallpaperService extends Service {
		final int mDisplayId;
		final DisplayManager mDisplayManager;
		final Display mDisplay;
		final WallpaperManager mWallpaperManager;
		private final AtomicBoolean mDetached = new AtomicBoolean();

		Engine mEngine;
		@@ -1916,6 +1962,7 @@ public abstract class WallpaperService extends Service {
		IWallpaperConnection conn, IBinder windowToken,
		int windowType, boolean isPreview, int reqWidth, int reqHeight, Rect padding,
		int displayId) {
		mWallpaperManager = getSystemService(WallpaperManager.class);
		mCaller = new HandlerCaller(context, context.getMainLooper(), this, true);
		mConnection = conn;
		mWindowToken = windowToken;
		@@ -2133,7 +2180,9 @@ public abstract class WallpaperService extends Service {
		break;
		}
		try {
		mConnection.onWallpaperColorsChanged(mEngine.onComputeColors(), mDisplayId);
		WallpaperColors colors = mEngine.onComputeColors();
		mEngine.setPrimaryWallpaperColors(colors);
		mConnection.onWallpaperColorsChanged(colors, mDisplayId);
		} catch (RemoteException e) {
		// Connection went away, nothing to do in here.
		}

core/res/res/values/config.xml

+4 −0

Original line number	Diff line number	Diff line
		@@ -4972,4 +4972,8 @@

		<!-- List containing the allowed install sources for accessibility service. -->
		<string-array name="config_accessibility_allowed_install_source" translatable="false"/>

		<!-- The amount of dimming to apply to wallpapers with mid range luminance. 0 displays
		the wallpaper at full brightness. 1 displays the wallpaper as fully black. -->
		<item name="config_wallpaperDimAmount" format="float" type="dimen">0.05</item>
		</resources>

core/res/res/values/symbols.xml

+2 −0

Original line number	Diff line number	Diff line
		@@ -4392,4 +4392,6 @@

		<java-symbol type="dimen" name="starting_surface_icon_size" />
		<java-symbol type="dimen" name="starting_surface_default_icon_size" />

		<java-symbol type="dimen" name="config_wallpaperDimAmount" />
		</resources>