Collapse UI events in TextureView. (c989d867) · Commits · e / os / android_frameworks_base

core/java/android/view/TextureView.java

+19 −18

Original line number	Diff line number	Diff line
		@@ -96,12 +96,9 @@ public class TextureView extends View {
		private SurfaceTexture mSurface;
		private SurfaceTextureListener mListener;

		private final Runnable mUpdateLayerAction = new Runnable() {
		@Override
		public void run() {
		updateLayer();
		}
		};
		private final Object[] mLock = new Object[0];
		private boolean mUpdateLayer;

		private SurfaceTexture.OnFrameAvailableListener mUpdateListener;

		/**
		@@ -232,6 +229,8 @@ public class TextureView extends View {
		protected void onSizeChanged(int w, int h, int oldw, int oldh) {
		super.onSizeChanged(w, h, oldw, oldh);
		if (mSurface != null) {
		// No need to synchronize here, we set update layer to false only on the UI thread
		mUpdateLayer = true;
		nSetDefaultBufferSize(mSurface, getWidth(), getHeight());
		if (mListener != null) {
		mListener.onSurfaceTextureSizeChanged(mSurface, getWidth(), getHeight());
		@@ -255,7 +254,10 @@ public class TextureView extends View {
		public void onFrameAvailable(SurfaceTexture surfaceTexture) {
		// Per SurfaceTexture's documentation, the callback may be invoked
		// from an arbitrary thread
		post(mUpdateLayerAction);
		synchronized (mLock) {
		mUpdateLayer = true;
		postInvalidate();
		}
		}
		};
		mSurface.setOnFrameAvailableListener(mUpdateListener);
		@@ -265,6 +267,13 @@ public class TextureView extends View {
		}
		}

		synchronized (mLock) {
		if (mUpdateLayer) {
		mAttachInfo.mHardwareRenderer.updateTextureLayer(mLayer, getWidth(), getHeight());
		mUpdateLayer = false;
		}
		}

		return mLayer;
		}

		@@ -278,23 +287,15 @@ public class TextureView extends View {
		// updates listener
		if (visibility == VISIBLE) {
		mSurface.setOnFrameAvailableListener(mUpdateListener);
		updateLayer();
		// No need to synchronize here, we set update layer to false only on the UI thread
		mUpdateLayer = true;
		invalidate();
		} else {
		mSurface.setOnFrameAvailableListener(null);
		}
		}
		}

		private void updateLayer() {
		if (mAttachInfo == null \|\| mAttachInfo.mHardwareRenderer == null) {
		return;
		}

		mAttachInfo.mHardwareRenderer.updateTextureLayer(mLayer, getWidth(), getHeight());

		invalidate();
		}

		/**
		* <p>Returns a {@link android.graphics.Bitmap} representation of the content
		* of the associated surface texture. If the surface texture is not available,

core/jni/android_view_GLES20Canvas.cpp

+2 −1

Original line number	Diff line number	Diff line
		@@ -649,8 +649,9 @@ static void android_view_GLES20Canvas_updateTextureLayer(JNIEnv* env, jobject cl
		float transform[16];
		sp<SurfaceTexture> surfaceTexture(SurfaceTexture_getSurfaceTexture(env, surface));

		while (surfaceTexture->getQueuedCount() > 0)
		while (surfaceTexture->getQueuedCount() > 0) {
		surfaceTexture->updateTexImage();
		}
		surfaceTexture->getTransformMatrix(transform);
		GLenum renderTarget = surfaceTexture->getCurrentTextureTarget();