Merge "Support scaling with SurfaceControl when using WindowlessWindow APIs"... (6c5dedad) · Commits · e / os / android_frameworks_base

packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestReceiver.java

+28 −3

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import android.content.Context;
		import android.graphics.PixelFormat;
		import android.os.Bundle;
		import android.os.IBinder;
		import android.util.Size;
		import android.view.SurfaceControl;
		import android.view.SurfaceControlViewHost;
		import android.view.View;
		@@ -43,13 +44,27 @@ public class SurfaceViewRequestReceiver {
		mOpacity = opacity;
		}

		/** Called whenever a surface view request is received. */
		/** See {@link #onReceive(Context, Bundle, View, Size)}. */
		public void onReceive(Context context, Bundle bundle, View view) {
		onReceive(context, bundle, view, null);
		}

		/**
		* Called whenever a surface view request is received.
		* @param view the view rendering content, on the receiver end of the surface request.
		* @param viewSize when {@param viewSize} is not specified, we will use the surface control size
		* to attach the view to the window.
		*/
		public void onReceive(Context context, Bundle bundle, View view, Size viewSize) {
		if (mSurfaceControlViewHost != null) {
		mSurfaceControlViewHost.die();
		}
		SurfaceControl surfaceControl = SurfaceViewRequestUtils.getSurfaceControl(bundle);
		if (surfaceControl != null) {
		if (viewSize == null) {
		viewSize = new Size(surfaceControl.getWidth(), surfaceControl.getHeight());
		}

		IBinder hostToken = SurfaceViewRequestUtils.getHostToken(bundle);

		WindowlessWindowManager windowlessWindowManager =
		@@ -59,12 +74,22 @@ public class SurfaceViewRequestReceiver {
		context.getDisplayNoVerify(), windowlessWindowManager);
		WindowManager.LayoutParams layoutParams =
		new WindowManager.LayoutParams(
		surfaceControl.getWidth(),
		surfaceControl.getHeight(),
		viewSize.getWidth(),
		viewSize.getHeight(),
		WindowManager.LayoutParams.TYPE_APPLICATION,
		WindowManager.LayoutParams.FLAG_HARDWARE_ACCELERATED,
		mOpacity);

		// This aspect scales the view to fit in the surface and centers it
		final float scale = Math.min(surfaceControl.getWidth() / (float) viewSize.getWidth(),
		surfaceControl.getHeight() / (float) viewSize.getHeight());
		view.setScaleX(scale);
		view.setScaleY(scale);
		view.setPivotX(0);
		view.setPivotY(0);
		view.setTranslationX((surfaceControl.getWidth() - scale * viewSize.getWidth()) / 2);
		view.setTranslationY((surfaceControl.getHeight() - scale * viewSize.getHeight()) / 2);

		mSurfaceControlViewHost.addView(view, layoutParams);
		}
		}

packages/SystemUI/shared/src/com/android/systemui/shared/system/SurfaceViewRequestUtils.java

+2 −2

Original line number	Diff line number	Diff line
		@@ -36,7 +36,7 @@ public class SurfaceViewRequestUtils {
		}

		/**
		* Retrieves the SurfaceControl from an Intent created by
		* Retrieves the SurfaceControl from a bundle created by
		* {@link #createSurfaceBundle(SurfaceView)}.
		**/
		public static SurfaceControl getSurfaceControl(Bundle bundle) {
		@@ -44,7 +44,7 @@ public class SurfaceViewRequestUtils {
		}

		/**
		* Retrieves the input token from an Intent created by
		* Retrieves the input token from a bundle created by
		* {@link #createSurfaceBundle(SurfaceView)}.
		**/
		public static @Nullable IBinder getHostToken(Bundle bundle) {