[Zoom-out 1/N] Add API in WallpaperManager (44a28315) · Commits · e / os / android_frameworks_base

api/current.txt

+1 −0

Original line number	Diff line number	Diff line
		@@ -43033,6 +43033,7 @@ package android.service.wallpaper {
		method public void onSurfaceRedrawNeeded(android.view.SurfaceHolder);
		method public void onTouchEvent(android.view.MotionEvent);
		method public void onVisibilityChanged(boolean);
		method public void onZoomChanged(@FloatRange(from=0.0f, to=1.0f) float);
		method public void setOffsetNotificationsEnabled(boolean);
		method public void setTouchEventsEnabled(boolean);
		}

core/java/android/app/IWallpaperManager.aidl

+7 −0

Original line number	Diff line number	Diff line
		@@ -175,4 +175,11 @@ interface IWallpaperManager {
		* Called from SystemUI when it shows the AoD UI.
		*/
		oneway void setInAmbientMode(boolean inAmbientMode, long animationDuration);

		/**
		* Called when the wallpaper needs to zoom out.
		* The zoom value goes from 0 to 1 (inclusive) where 1 means fully zoomed out,
		* 0 means fully zoomed in
		*/
		oneway void setWallpaperZoomOut(float zoom, String callingPackage, int displayId);
		}

core/java/android/app/WallpaperManager.java

+18 −0

Original line number	Diff line number	Diff line
		@@ -1832,6 +1832,24 @@ public class WallpaperManager {
		}
		}

		/**
		* Set the current zoom out level of the wallpaper
		* @param zoom from 0 to 1 (inclusive) where 1 means fully zoomed out, 0 means fully zoomed in
		*
		* @hide
		*/
		public void setWallpaperZoomOut(float zoom) {
		if (zoom < 0 \|\| zoom > 1f) {
		throw new IllegalArgumentException("zoom must be between 0 and one: " + zoom);
		}
		try {
		sGlobals.mService.setWallpaperZoomOut(zoom, mContext.getOpPackageName(),
		mContext.getDisplayId());
		} catch (RemoteException e) {
		throw e.rethrowFromSystemServer();
		}
		}

		/**
		* Returns whether wallpapers are supported for the calling user. If this function returns
		* {@code false}, any attempts to changing the wallpaper will have no effect,

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

+1 −0

Original line number	Diff line number	Diff line
		@@ -37,4 +37,5 @@ oneway interface IWallpaperEngine {
		void requestWallpaperColors();
		@UnsupportedAppUsage
		void destroy();
		void setZoomOut(float scale);
		}

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

+66 −0

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

		package android.service.wallpaper;

		import android.annotation.FloatRange;
		import android.annotation.Nullable;
		import android.annotation.SdkConstant;
		import android.annotation.SdkConstant.SdkConstantType;
		@@ -121,6 +122,9 @@ public abstract class WallpaperService extends Service {
		private static final int MSG_WINDOW_MOVED = 10035;
		private static final int MSG_TOUCH_EVENT = 10040;
		private static final int MSG_REQUEST_WALLPAPER_COLORS = 10050;
		private static final int MSG_SCALE = 10100;

		private static final float MAX_SCALE = 1.15f;

		private static final int NOTIFY_COLORS_RATE_LIMIT_MS = 1000;

		@@ -169,6 +173,7 @@ public abstract class WallpaperService extends Service {
		int mType;
		int mCurWidth;
		int mCurHeight;
		float mZoom = 0f;
		int mWindowFlags = WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
		int mWindowPrivateFlags =
		WindowManager.LayoutParams.PRIVATE_FLAG_WANTS_OFFSET_NOTIFICATIONS;
		@@ -493,6 +498,15 @@ public abstract class WallpaperService extends Service {
		mFixedSizeAllowed = allowed;
		}

		/**
		* Returns the current scale of the surface
		* @hide
		*/
		@VisibleForTesting
		public float getZoom() {
		return mZoom;
		}

		/**
		* Called once to initialize the engine. After returning, the
		* engine's surface will be created by the framework.
		@@ -620,6 +634,16 @@ public abstract class WallpaperService extends Service {
		public void onSurfaceDestroyed(SurfaceHolder holder) {
		}

		/**
		* Called when the zoom level of the wallpaper changed.
		* This method will be called with the initial zoom level when the surface is created.
		*
		* @param zoom the zoom level, between 0 indicating fully zoomed in and 1 indicating fully
		* zoomed out.
		*/
		public void onZoomChanged(@FloatRange(from = 0f, to = 1f) float zoom) {
		}

		/**
		* Notifies the engine that wallpaper colors changed significantly.
		* This will trigger a {@link #onComputeColors()} call.
		@@ -704,6 +728,7 @@ public abstract class WallpaperService extends Service {
		out.print(prefix); out.print("mConfiguration=");
		out.println(mMergedConfiguration.getMergedConfiguration());
		out.print(prefix); out.print("mLayout="); out.println(mLayout);
		out.print(prefix); out.print("mZoom="); out.println(mZoom);
		synchronized (mLock) {
		out.print(prefix); out.print("mPendingXOffset="); out.print(mPendingXOffset);
		out.print(" mPendingXOffset="); out.println(mPendingXOffset);
		@@ -719,6 +744,37 @@ public abstract class WallpaperService extends Service {
		}
		}

		/**
		* Set the wallpaper zoom to the given value. This value will be ignored when in ambient
		* mode (and zoom will be reset to 0).
		* @hide
		* @param zoom between 0 and 1 (inclusive) indicating fully zoomed in to fully zoomed out
		* respectively.
		*/
		@VisibleForTesting
		public void setZoom(float zoom) {
		if (DEBUG) {
		Log.v(TAG, "set zoom received: " + zoom);
		}
		boolean updated = false;
		synchronized (mLock) {
		if (DEBUG) {
		Log.v(TAG, "mZoom: " + mZoom + " updated: " + zoom);
		}
		if (mIsInAmbientMode) {
		mZoom = 0;
		}
		if (Float.compare(zoom, mZoom) != 0) {
		mZoom = zoom;
		updated = true;
		}
		}
		if (DEBUG) Log.v(TAG, "setZoom updated? " + updated);
		if (updated && !mDestroyed) {
		onZoomChanged(mZoom);
		}
		}

		private void dispatchPointer(MotionEvent event) {
		if (event.isTouchEvent()) {
		synchronized (mLock) {
		@@ -917,6 +973,7 @@ public abstract class WallpaperService extends Service {
		c.surfaceCreated(mSurfaceHolder);
		}
		}
		onZoomChanged(0f);
		}

		redrawNeeded \|= creating \|\| (relayoutResult
		@@ -1077,6 +1134,7 @@ public abstract class WallpaperService extends Service {
		mIsInAmbientMode = inAmbientMode;
		if (mCreated) {
		onAmbientModeChanged(inAmbientMode, animationDuration);
		setZoom(0);
		}
		}
		}
		@@ -1351,6 +1409,11 @@ public abstract class WallpaperService extends Service {
		}
		}

		public void setZoomOut(float scale) {
		Message msg = mCaller.obtainMessageI(MSG_SCALE, Float.floatToIntBits(scale));
		mCaller.sendMessage(msg);
		}

		public void reportShown() {
		if (!mShownReported) {
		mShownReported = true;
		@@ -1423,6 +1486,9 @@ public abstract class WallpaperService extends Service {
		case MSG_UPDATE_SURFACE:
		mEngine.updateSurface(true, false, false);
		break;
		case MSG_SCALE:
		mEngine.setZoom(Float.intBitsToFloat(message.arg1));
		break;
		case MSG_VISIBILITY_CHANGED:
		if (DEBUG) Log.v(TAG, "Visibility change in " + mEngine
		+ ": " + message.arg1);