Workaround to not use the hidden SyncRtSurfaceTransactionApplier (b6eba5ee) · Commits · e / os / android_frameworks_base

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

+78 −34

Original line number	Diff line number	Diff line
		@@ -16,14 +16,10 @@

		package com.android.systemui.shared.system;

		import android.graphics.HardwareRenderer;
		import android.graphics.Matrix;
		import android.graphics.Rect;
		import android.view.Surface;
		import android.view.SurfaceControl;
		import android.view.SurfaceControl.Transaction;
		import android.view.SyncRtSurfaceTransactionApplier;
		import android.view.SyncRtSurfaceTransactionApplier.SurfaceParams;
		import android.view.ThreadedRenderer;
		import android.view.View;
		import android.view.ViewRootImpl;

		@@ -31,20 +27,21 @@ import java.util.function.Consumer;

		/**
		* Helper class to apply surface transactions in sync with RenderThread.
		*
		* NOTE: This is a modification of {@link android.view.SyncRtSurfaceTransactionApplier}, we can't
		* currently reference that class from the shared lib as it is hidden.
		*/
		public class SyncRtSurfaceTransactionApplierCompat {

		private final SyncRtSurfaceTransactionApplier mApplier;
		private final Surface mTargetSurface;
		private final ViewRootImpl mTargetViewRootImpl;

		/**
		* @param targetView The view in the surface that acts as synchronization anchor.
		*/
		public SyncRtSurfaceTransactionApplierCompat(View targetView) {
		mApplier = new SyncRtSurfaceTransactionApplier(targetView);
		}

		private SyncRtSurfaceTransactionApplierCompat(SyncRtSurfaceTransactionApplier applier) {
		mApplier = applier;
		mTargetViewRootImpl = targetView != null ? targetView.getViewRootImpl() : null;
		mTargetSurface = mTargetViewRootImpl != null ? mTargetViewRootImpl.mSurface : null;
		}

		/**
		@@ -53,38 +50,74 @@ public class SyncRtSurfaceTransactionApplierCompat {
		* @param params The surface parameters to apply. DO NOT MODIFY the list after passing into
		* this method to avoid synchronization issues.
		*/
		public void scheduleApply(final SurfaceParams... params) {
		mApplier.scheduleApply(convert(params));
		public void scheduleApply(final SyncRtSurfaceTransactionApplierCompat.SurfaceParams... params) {
		if (mTargetViewRootImpl == null) {
		return;
		}

		private SyncRtSurfaceTransactionApplier.SurfaceParams[] convert(SurfaceParams[] params) {
		SyncRtSurfaceTransactionApplier.SurfaceParams[] result =
		new SyncRtSurfaceTransactionApplier.SurfaceParams[params.length];
		for (int i = 0; i < params.length; i++) {
		result[i] = params[i].mParams;
		mTargetViewRootImpl.registerRtFrameCallback(new HardwareRenderer.FrameDrawingCallback() {
		@Override
		public void onFrameDraw(long frame) {
		if (mTargetSurface == null \|\| !mTargetSurface.isValid()) {
		return;
		}
		return result;
		TransactionCompat t = new TransactionCompat();
		for (int i = params.length - 1; i >= 0; i--) {
		SyncRtSurfaceTransactionApplierCompat.SurfaceParams surfaceParams =
		params[i];
		SurfaceControlCompat surface = surfaceParams.surface;
		t.deferTransactionUntil(surface, mTargetSurface, frame);
		applyParams(t, surfaceParams);
		}
		t.setEarlyWakeup();
		t.apply();
		}
		});

		// Make sure a frame gets scheduled.
		mTargetViewRootImpl.getView().invalidate();
		}

		public static void applyParams(TransactionCompat t, SurfaceParams params) {
		SyncRtSurfaceTransactionApplier.applyParams(t.mTransaction, params.mParams, t.mTmpValues);
		public static void applyParams(TransactionCompat t,
		SyncRtSurfaceTransactionApplierCompat.SurfaceParams params) {
		t.setMatrix(params.surface, params.matrix);
		t.setWindowCrop(params.surface, params.windowCrop);
		t.setAlpha(params.surface, params.alpha);
		t.setLayer(params.surface, params.layer);
		t.setCornerRadius(params.surface, params.cornerRadius);
		t.show(params.surface);
		}

		/**
		* Creates an instance of SyncRtSurfaceTransactionApplier, deferring until the target view is
		* attached if necessary.
		*/
		public static void create(final View targetView,
		final Consumer<SyncRtSurfaceTransactionApplierCompat> callback) {
		SyncRtSurfaceTransactionApplier.create(targetView,
		new Consumer<SyncRtSurfaceTransactionApplier>() {
		if (targetView == null) {
		// No target view, no applier
		callback.accept(null);
		} else if (targetView.getViewRootImpl() != null) {
		// Already attached, we're good to go
		callback.accept(new SyncRtSurfaceTransactionApplierCompat(targetView));
		} else {
		// Haven't been attached before we can get the view root
		targetView.addOnAttachStateChangeListener(new View.OnAttachStateChangeListener() {
		@Override
		public void onViewAttachedToWindow(View v) {
		targetView.removeOnAttachStateChangeListener(this);
		callback.accept(new SyncRtSurfaceTransactionApplierCompat(targetView));
		}

		@Override
		public void accept(SyncRtSurfaceTransactionApplier applier) {
		callback.accept(new SyncRtSurfaceTransactionApplierCompat(applier));
		public void onViewDetachedFromWindow(View v) {
		// Do nothing
		}
		});
		}
		}

		public static class SurfaceParams {

		private final SyncRtSurfaceTransactionApplier.SurfaceParams mParams;

		/**
		* Constructs surface parameters to be applied when the current view state gets pushed to
		* RenderThread.
		@@ -96,8 +129,19 @@ public class SyncRtSurfaceTransactionApplierCompat {
		*/
		public SurfaceParams(SurfaceControlCompat surface, float alpha, Matrix matrix,
		Rect windowCrop, int layer, float cornerRadius) {
		mParams = new SyncRtSurfaceTransactionApplier.SurfaceParams(surface.mSurfaceControl,
		alpha, matrix, windowCrop, layer, cornerRadius);
		this.surface = surface;
		this.alpha = alpha;
		this.matrix = new Matrix(matrix);
		this.windowCrop = new Rect(windowCrop);
		this.layer = layer;
		this.cornerRadius = cornerRadius;
		}

		public final SurfaceControlCompat surface;
		public final float alpha;
		final float cornerRadius;
		public final Matrix matrix;
		public final Rect windowCrop;
		public final int layer;
		}
		}

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

+5 −0

Original line number	Diff line number	Diff line
		@@ -82,6 +82,11 @@ public class TransactionCompat {
		return this;
		}

		public TransactionCompat setCornerRadius(SurfaceControlCompat surfaceControl, float radius) {
		mTransaction.setCornerRadius(surfaceControl.mSurfaceControl, radius);
		return this;
		}

		public TransactionCompat deferTransactionUntil(SurfaceControlCompat surfaceControl,
		IBinder handle, long frameNumber) {
		mTransaction.deferTransactionUntil(surfaceControl.mSurfaceControl, handle, frameNumber);