Merge "Revert SurfaceView background implementation." into qt-dev (cd58d5a5) · Commits · e / os / android_frameworks_base

core/java/android/view/SurfaceView.java

+152 −63

Original line number	Diff line number	Diff line
		@@ -33,6 +33,7 @@ import android.graphics.Region;
		import android.graphics.RenderNode;
		import android.os.Build;
		import android.os.Handler;
		import android.os.IBinder;
		import android.os.Looper;
		import android.os.SystemClock;
		import android.util.AttributeSet;
		@@ -119,11 +120,10 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		final Rect mScreenRect = new Rect();
		SurfaceSession mSurfaceSession;

		SurfaceControl mSurfaceControl;
		SurfaceControlWithBackground mSurfaceControl;
		// In the case of format changes we switch out the surface in-place
		// we need to preserve the old one until the new one has drawn.
		SurfaceControl mDeferredDestroySurfaceControl;
		SurfaceControl mBackgroundControl;
		SurfaceControlWithBackground mDeferredDestroySurfaceControl;
		final Rect mTmpRect = new Rect();
		final Configuration mConfiguration = new Configuration();

		@@ -487,29 +487,6 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		}
		}

		private void updateBackgroundVisibilityInTransaction() {
		if (mBackgroundControl == null) {
		return;
		}
		if ((mSubLayer < 0) && ((mSurfaceFlags & SurfaceControl.OPAQUE) != 0)) {
		mBackgroundControl.show();
		mBackgroundControl.setLayer(Integer.MIN_VALUE);
		} else {
		mBackgroundControl.hide();
		}
		}

		private void releaseSurfaces() {
		if (mSurfaceControl != null) {
		mSurfaceControl.remove();
		mSurfaceControl = null;
		}
		if (mBackgroundControl != null) {
		mBackgroundControl.remove();
		mBackgroundControl = null;
		}
		}

		/** @hide */
		protected void updateSurface() {
		if (!mHaveFrame) {
		@@ -576,21 +553,14 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		updateOpaqueFlag();
		final String name = "SurfaceView - " + viewRoot.getTitle().toString();

		mSurfaceControl = new SurfaceControl.Builder(mSurfaceSession)
		.setName(name)
		.setOpaque((mSurfaceFlags & SurfaceControl.OPAQUE) != 0)
		mSurfaceControl = new SurfaceControlWithBackground(
		name,
		(mSurfaceFlags & SurfaceControl.OPAQUE) != 0,
		new SurfaceControl.Builder(mSurfaceSession)
		.setBufferSize(mSurfaceWidth, mSurfaceHeight)
		.setFormat(mFormat)
		.setParent(viewRoot.getSurfaceControl())
		.setFlags(mSurfaceFlags)
		.build();
		mBackgroundControl = new SurfaceControl.Builder(mSurfaceSession)
		.setName("Background for -" + name)
		.setOpaque(true)
		.setColorLayer()
		.setParent(mSurfaceControl)
		.build();

		.setFlags(mSurfaceFlags));
		} else if (mSurfaceControl == null) {
		return;
		}
		@@ -607,13 +577,11 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		SurfaceControl.openTransaction();
		try {
		mSurfaceControl.setLayer(mSubLayer);

		if (mViewVisibility) {
		mSurfaceControl.show();
		} else {
		mSurfaceControl.hide();
		}
		updateBackgroundVisibilityInTransaction();

		// While creating the surface, we will set it's initial
		// geometry. Outside of that though, we should generally
		@@ -699,7 +667,7 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		}

		if (creating) {
		mSurface.copyFrom(mSurfaceControl);
		mSurface.copyFrom(mSurfaceControl.mForegroundControl);
		}

		if (sizeChanged && getContext().getApplicationInfo().targetSdkVersion
		@@ -709,7 +677,7 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		// existing {@link Surface} will be ignored when the size changes.
		// Therefore, we must explicitly recreate the {@link Surface} in these
		// cases.
		mSurface.createFrom(mSurfaceControl);
		mSurface.createFrom(mSurfaceControl.mForegroundControl);
		}

		if (visible && mSurface.isValid()) {
		@@ -756,7 +724,8 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		if (mSurfaceControl != null && !mSurfaceCreated) {
		mSurface.release();

		releaseSurfaces();
		mSurfaceControl.remove();
		mSurfaceControl = null;
		}
		}
		} catch (Exception ex) {
		@@ -857,7 +826,8 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		private void setParentSpaceRectangle(Rect position, long frameNumber) {
		final ViewRootImpl viewRoot = getViewRootImpl();

		applySurfaceTransforms(mSurfaceControl, position, frameNumber);
		applySurfaceTransforms(mSurfaceControl.mForegroundControl, position, frameNumber);
		applySurfaceTransforms(mSurfaceControl.mBackgroundControl, position, frameNumber);

		applyChildSurfaceTransaction_renderWorker(mRtTransaction, viewRoot.mSurface,
		frameNumber);
		@@ -922,10 +892,13 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		if (frameNumber > 0) {
		final ViewRootImpl viewRoot = getViewRootImpl();

		mRtTransaction.deferTransactionUntilSurface(mSurfaceControl, viewRoot.mSurface,
		mRtTransaction.deferTransactionUntilSurface(mSurfaceControl.mForegroundControl, viewRoot.mSurface,
		frameNumber);
		mRtTransaction.deferTransactionUntilSurface(mSurfaceControl.mBackgroundControl, viewRoot.mSurface,
		frameNumber);
		}
		mRtTransaction.hide(mSurfaceControl);
		mRtTransaction.hide(mSurfaceControl.mForegroundControl);
		mRtTransaction.hide(mSurfaceControl.mBackgroundControl);
		mRtTransaction.apply();
		}
		};
		@@ -972,19 +945,7 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		* @hide
		*/
		public void setResizeBackgroundColor(int bgColor) {
		if (mBackgroundControl == null) {
		return;
		}

		final float[] colorComponents = new float[] { Color.red(bgColor) / 255.f,
		Color.green(bgColor) / 255.f, Color.blue(bgColor) / 255.f };

		SurfaceControl.openTransaction();
		try {
		mBackgroundControl.setColor(colorComponents);
		} finally {
		SurfaceControl.closeTransaction();
		}
		mSurfaceControl.setBackgroundColor(bgColor);
		}

		@UnsupportedAppUsage
		@@ -1168,6 +1129,134 @@ public class SurfaceView extends View implements ViewRootImpl.WindowStoppedCallb
		* @return The SurfaceControl for this SurfaceView.
		*/
		public SurfaceControl getSurfaceControl() {
		return mSurfaceControl;
		return mSurfaceControl.mForegroundControl;
		}

		class SurfaceControlWithBackground {
		SurfaceControl mForegroundControl;
		SurfaceControl mBackgroundControl;
		private boolean mOpaque = true;
		public boolean mVisible = false;

		public SurfaceControlWithBackground(String name, boolean opaque, SurfaceControl.Builder b)
		throws Exception {
		mForegroundControl = b.setName(name).build();
		mBackgroundControl = b.setName("Background for -" + name)
		// Unset the buffer size of the background color layer.
		.setBufferSize(0, 0)
		.setColorLayer()
		.build();

		mOpaque = opaque;
		}

		public void setAlpha(float alpha) {
		mForegroundControl.setAlpha(alpha);
		mBackgroundControl.setAlpha(alpha);
		}

		public void setLayer(int zorder) {
		mForegroundControl.setLayer(zorder);
		// -3 is below all other child layers as SurfaceView never goes below -2
		mBackgroundControl.setLayer(-3);
		}

		public void setPosition(float x, float y) {
		mForegroundControl.setPosition(x, y);
		mBackgroundControl.setPosition(x, y);
		}

		public void setBufferSize(int w, int h) {
		mForegroundControl.setBufferSize(w, h);
		// The background surface is a color layer so we do not set a size.
		}

		public void setWindowCrop(Rect crop) {
		mForegroundControl.setWindowCrop(crop);
		mBackgroundControl.setWindowCrop(crop);
		}

		public void setWindowCrop(int width, int height) {
		mForegroundControl.setWindowCrop(width, height);
		mBackgroundControl.setWindowCrop(width, height);
		}

		public void setLayerStack(int layerStack) {
		mForegroundControl.setLayerStack(layerStack);
		mBackgroundControl.setLayerStack(layerStack);
		}

		public void setOpaque(boolean isOpaque) {
		mForegroundControl.setOpaque(isOpaque);
		mOpaque = isOpaque;
		updateBackgroundVisibility();
		}

		public void setSecure(boolean isSecure) {
		mForegroundControl.setSecure(isSecure);
		}

		public void setMatrix(float dsdx, float dtdx, float dsdy, float dtdy) {
		mForegroundControl.setMatrix(dsdx, dtdx, dsdy, dtdy);
		mBackgroundControl.setMatrix(dsdx, dtdx, dsdy, dtdy);
		}

		public void hide() {
		mForegroundControl.hide();
		mVisible = false;
		updateBackgroundVisibility();
		}

		public void show() {
		mForegroundControl.show();
		mVisible = true;
		updateBackgroundVisibility();
		}

		public void remove() {
		mForegroundControl.remove();
		mBackgroundControl.remove();
		}

		public void release() {
		mForegroundControl.release();
		mBackgroundControl.release();
		}

		public void setTransparentRegionHint(Region region) {
		mForegroundControl.setTransparentRegionHint(region);
		mBackgroundControl.setTransparentRegionHint(region);
		}

		public void deferTransactionUntil(IBinder handle, long frame) {
		mForegroundControl.deferTransactionUntil(handle, frame);
		mBackgroundControl.deferTransactionUntil(handle, frame);
		}

		public void deferTransactionUntil(Surface barrier, long frame) {
		mForegroundControl.deferTransactionUntil(barrier, frame);
		mBackgroundControl.deferTransactionUntil(barrier, frame);
		}

		/** Set the color to fill the background with. */
		private void setBackgroundColor(int bgColor) {
		final float[] colorComponents = new float[] { Color.red(bgColor) / 255.f,
		Color.green(bgColor) / 255.f, Color.blue(bgColor) / 255.f };

		SurfaceControl.openTransaction();
		try {
		mBackgroundControl.setColor(colorComponents);
		} finally {
		SurfaceControl.closeTransaction();
		}
		}

		void updateBackgroundVisibility() {
		if (mOpaque && mVisible) {
		mBackgroundControl.show();
		} else {
		mBackgroundControl.hide();
		}
		}
		}
		}