Merge "Revert "Removing unused surface transaction wrappers"" into tm-qpr-dev... (825473aa) · Commits · e / os / android_frameworks_base

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

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		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License
		*/

		package com.android.systemui.shared.system;

		import android.graphics.HardwareRenderer;
		import android.graphics.Matrix;
		import android.graphics.Rect;
		import android.os.Handler;
		import android.os.Handler.Callback;
		import android.os.Message;
		import android.os.Trace;
		import android.view.SurfaceControl;
		import android.view.SurfaceControl.Transaction;
		import android.view.View;
		import android.view.ViewRootImpl;

		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 {

		public static final int FLAG_ALL = 0xffffffff;
		public static final int FLAG_ALPHA = 1;
		public static final int FLAG_MATRIX = 1 << 1;
		public static final int FLAG_WINDOW_CROP = 1 << 2;
		public static final int FLAG_LAYER = 1 << 3;
		public static final int FLAG_CORNER_RADIUS = 1 << 4;
		public static final int FLAG_BACKGROUND_BLUR_RADIUS = 1 << 5;
		public static final int FLAG_VISIBILITY = 1 << 6;
		public static final int FLAG_RELATIVE_LAYER = 1 << 7;
		public static final int FLAG_SHADOW_RADIUS = 1 << 8;

		private static final int MSG_UPDATE_SEQUENCE_NUMBER = 0;

		private final SurfaceControl mBarrierSurfaceControl;
		private final ViewRootImpl mTargetViewRootImpl;
		private final Handler mApplyHandler;

		private int mSequenceNumber = 0;
		private int mPendingSequenceNumber = 0;
		private Runnable mAfterApplyCallback;

		/**
		* @param targetView The view in the surface that acts as synchronization anchor.
		*/
		public SyncRtSurfaceTransactionApplierCompat(View targetView) {
		mTargetViewRootImpl = targetView != null ? targetView.getViewRootImpl() : null;
		mBarrierSurfaceControl = mTargetViewRootImpl != null
		? mTargetViewRootImpl.getSurfaceControl() : null;

		mApplyHandler = new Handler(new Callback() {
		@Override
		public boolean handleMessage(Message msg) {
		if (msg.what == MSG_UPDATE_SEQUENCE_NUMBER) {
		onApplyMessage(msg.arg1);
		return true;
		}
		return false;
		}
		});
		}

		private void onApplyMessage(int seqNo) {
		mSequenceNumber = seqNo;
		if (mSequenceNumber == mPendingSequenceNumber && mAfterApplyCallback != null) {
		Runnable r = mAfterApplyCallback;
		mAfterApplyCallback = null;
		r.run();
		}
		}

		/**
		* Schedules applying surface parameters on the next frame.
		*
		* @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 SyncRtSurfaceTransactionApplierCompat.SurfaceParams... params) {
		if (mTargetViewRootImpl == null \|\| mTargetViewRootImpl.getView() == null) {
		return;
		}

		mPendingSequenceNumber++;
		final int toApplySeqNo = mPendingSequenceNumber;
		mTargetViewRootImpl.registerRtFrameCallback(new HardwareRenderer.FrameDrawingCallback() {
		@Override
		public void onFrameDraw(long frame) {
		if (mBarrierSurfaceControl == null \|\| !mBarrierSurfaceControl.isValid()) {
		Message.obtain(mApplyHandler, MSG_UPDATE_SEQUENCE_NUMBER, toApplySeqNo, 0)
		.sendToTarget();
		return;
		}
		Trace.traceBegin(Trace.TRACE_TAG_VIEW, "Sync transaction frameNumber=" + frame);
		Transaction t = new Transaction();
		for (int i = params.length - 1; i >= 0; i--) {
		SyncRtSurfaceTransactionApplierCompat.SurfaceParams surfaceParams =
		params[i];
		surfaceParams.applyTo(t);
		}
		if (mTargetViewRootImpl != null) {
		mTargetViewRootImpl.mergeWithNextTransaction(t, frame);
		} else {
		t.apply();
		}
		Trace.traceEnd(Trace.TRACE_TAG_VIEW);
		Message.obtain(mApplyHandler, MSG_UPDATE_SEQUENCE_NUMBER, toApplySeqNo, 0)
		.sendToTarget();
		}
		});

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

		/**
		* Calls the runnable when any pending apply calls have completed
		*/
		public void addAfterApplyCallback(final Runnable afterApplyCallback) {
		if (mSequenceNumber == mPendingSequenceNumber) {
		afterApplyCallback.run();
		} else {
		if (mAfterApplyCallback == null) {
		mAfterApplyCallback = afterApplyCallback;
		} else {
		final Runnable oldCallback = mAfterApplyCallback;
		mAfterApplyCallback = new Runnable() {
		@Override
		public void run() {
		afterApplyCallback.run();
		oldCallback.run();
		}
		};
		}
		}
		}

		public static void applyParams(TransactionCompat t,
		SyncRtSurfaceTransactionApplierCompat.SurfaceParams params) {
		params.applyTo(t.mTransaction);
		}

		/**
		* 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) {
		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 onViewDetachedFromWindow(View v) {
		// Do nothing
		}
		});
		}
		}

		public static class SurfaceParams {
		public static class Builder {
		final SurfaceControl surface;
		int flags;
		float alpha;
		float cornerRadius;
		int backgroundBlurRadius;
		Matrix matrix;
		Rect windowCrop;
		int layer;
		SurfaceControl relativeTo;
		int relativeLayer;
		boolean visible;
		float shadowRadius;

		/**
		* @param surface The surface to modify.
		*/
		public Builder(SurfaceControl surface) {
		this.surface = surface;
		}

		/**
		* @param alpha The alpha value to apply to the surface.
		* @return this Builder
		*/
		public Builder withAlpha(float alpha) {
		this.alpha = alpha;
		flags \|= FLAG_ALPHA;
		return this;
		}

		/**
		* @param matrix The matrix to apply to the surface.
		* @return this Builder
		*/
		public Builder withMatrix(Matrix matrix) {
		this.matrix = new Matrix(matrix);
		flags \|= FLAG_MATRIX;
		return this;
		}

		/**
		* @param windowCrop The window crop to apply to the surface.
		* @return this Builder
		*/
		public Builder withWindowCrop(Rect windowCrop) {
		this.windowCrop = new Rect(windowCrop);
		flags \|= FLAG_WINDOW_CROP;
		return this;
		}

		/**
		* @param layer The layer to assign the surface.
		* @return this Builder
		*/
		public Builder withLayer(int layer) {
		this.layer = layer;
		flags \|= FLAG_LAYER;
		return this;
		}

		/**
		* @param relativeTo The surface that's set relative layer to.
		* @param relativeLayer The relative layer.
		* @return this Builder
		*/
		public Builder withRelativeLayerTo(SurfaceControl relativeTo, int relativeLayer) {
		this.relativeTo = relativeTo;
		this.relativeLayer = relativeLayer;
		flags \|= FLAG_RELATIVE_LAYER;
		return this;
		}

		/**
		* @param radius the Radius for rounded corners to apply to the surface.
		* @return this Builder
		*/
		public Builder withCornerRadius(float radius) {
		this.cornerRadius = radius;
		flags \|= FLAG_CORNER_RADIUS;
		return this;
		}

		/**
		* @param radius the Radius for the shadows to apply to the surface.
		* @return this Builder
		*/
		public Builder withShadowRadius(float radius) {
		this.shadowRadius = radius;
		flags \|= FLAG_SHADOW_RADIUS;
		return this;
		}

		/**
		* @param radius the Radius for blur to apply to the background surfaces.
		* @return this Builder
		*/
		public Builder withBackgroundBlur(int radius) {
		this.backgroundBlurRadius = radius;
		flags \|= FLAG_BACKGROUND_BLUR_RADIUS;
		return this;
		}

		/**
		* @param visible The visibility to apply to the surface.
		* @return this Builder
		*/
		public Builder withVisibility(boolean visible) {
		this.visible = visible;
		flags \|= FLAG_VISIBILITY;
		return this;
		}

		/**
		* @return a new SurfaceParams instance
		*/
		public SurfaceParams build() {
		return new SurfaceParams(surface, flags, alpha, matrix, windowCrop, layer,
		relativeTo, relativeLayer, cornerRadius, backgroundBlurRadius, visible,
		shadowRadius);
		}
		}

		private SurfaceParams(SurfaceControl surface, int flags, float alpha, Matrix matrix,
		Rect windowCrop, int layer, SurfaceControl relativeTo, int relativeLayer,
		float cornerRadius, int backgroundBlurRadius, boolean visible, float shadowRadius) {
		this.flags = flags;
		this.surface = surface;
		this.alpha = alpha;
		this.matrix = matrix;
		this.windowCrop = windowCrop;
		this.layer = layer;
		this.relativeTo = relativeTo;
		this.relativeLayer = relativeLayer;
		this.cornerRadius = cornerRadius;
		this.backgroundBlurRadius = backgroundBlurRadius;
		this.visible = visible;
		this.shadowRadius = shadowRadius;
		}

		private final int flags;
		private final float[] mTmpValues = new float[9];

		public final SurfaceControl surface;
		public final float alpha;
		public final float cornerRadius;
		public final int backgroundBlurRadius;
		public final Matrix matrix;
		public final Rect windowCrop;
		public final int layer;
		public final SurfaceControl relativeTo;
		public final int relativeLayer;
		public final boolean visible;
		public final float shadowRadius;

		public void applyTo(SurfaceControl.Transaction t) {
		if ((flags & FLAG_MATRIX) != 0) {
		t.setMatrix(surface, matrix, mTmpValues);
		}
		if ((flags & FLAG_WINDOW_CROP) != 0) {
		t.setWindowCrop(surface, windowCrop);
		}
		if ((flags & FLAG_ALPHA) != 0) {
		t.setAlpha(surface, alpha);
		}
		if ((flags & FLAG_LAYER) != 0) {
		t.setLayer(surface, layer);
		}
		if ((flags & FLAG_CORNER_RADIUS) != 0) {
		t.setCornerRadius(surface, cornerRadius);
		}
		if ((flags & FLAG_BACKGROUND_BLUR_RADIUS) != 0) {
		t.setBackgroundBlurRadius(surface, backgroundBlurRadius);
		}
		if ((flags & FLAG_VISIBILITY) != 0) {
		if (visible) {
		t.show(surface);
		} else {
		t.hide(surface);
		}
		}
		if ((flags & FLAG_RELATIVE_LAYER) != 0) {
		t.setRelativeLayer(surface, relativeTo, relativeLayer);
		}
		if ((flags & FLAG_SHADOW_RADIUS) != 0) {
		t.setShadowRadius(surface, shadowRadius);
		}
		}
		}
		}

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

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		/*
		* Copyright (C) 2018 The Android Open Source Project
		*
		* Licensed under the Apache License, Version 2.0 (the "License");
		* you may not use this file except in compliance with the License.
		* You may obtain a copy of the License at
		*
		* http://www.apache.org/licenses/LICENSE-2.0
		*
		* Unless required by applicable law or agreed to in writing, software
		* distributed under the License is distributed on an "AS IS" BASIS,
		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
		* See the License for the specific language governing permissions and
		* limitations under the License
		*/

		package com.android.systemui.shared.system;

		import android.graphics.Matrix;
		import android.graphics.Rect;
		import android.view.SurfaceControl;
		import android.view.SurfaceControl.Transaction;

		public class TransactionCompat {

		final Transaction mTransaction;

		final float[] mTmpValues = new float[9];

		public TransactionCompat() {
		mTransaction = new Transaction();
		}

		public void apply() {
		mTransaction.apply();
		}

		public TransactionCompat show(SurfaceControl surfaceControl) {
		mTransaction.show(surfaceControl);
		return this;
		}

		public TransactionCompat hide(SurfaceControl surfaceControl) {
		mTransaction.hide(surfaceControl);
		return this;
		}

		public TransactionCompat setPosition(SurfaceControl surfaceControl, float x, float y) {
		mTransaction.setPosition(surfaceControl, x, y);
		return this;
		}

		public TransactionCompat setSize(SurfaceControl surfaceControl, int w, int h) {
		mTransaction.setBufferSize(surfaceControl, w, h);
		return this;
		}

		public TransactionCompat setLayer(SurfaceControl surfaceControl, int z) {
		mTransaction.setLayer(surfaceControl, z);
		return this;
		}

		public TransactionCompat setAlpha(SurfaceControl surfaceControl, float alpha) {
		mTransaction.setAlpha(surfaceControl, alpha);
		return this;
		}

		public TransactionCompat setOpaque(SurfaceControl surfaceControl, boolean opaque) {
		mTransaction.setOpaque(surfaceControl, opaque);
		return this;
		}

		public TransactionCompat setMatrix(SurfaceControl surfaceControl, float dsdx, float dtdx,
		float dtdy, float dsdy) {
		mTransaction.setMatrix(surfaceControl, dsdx, dtdx, dtdy, dsdy);
		return this;
		}

		public TransactionCompat setMatrix(SurfaceControl surfaceControl, Matrix matrix) {
		mTransaction.setMatrix(surfaceControl, matrix, mTmpValues);
		return this;
		}

		public TransactionCompat setWindowCrop(SurfaceControl surfaceControl, Rect crop) {
		mTransaction.setWindowCrop(surfaceControl, crop);
		return this;
		}

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

		public TransactionCompat setBackgroundBlurRadius(SurfaceControl surfaceControl, int radius) {
		mTransaction.setBackgroundBlurRadius(surfaceControl, radius);
		return this;
		}

		public TransactionCompat setColor(SurfaceControl surfaceControl, float[] color) {
		mTransaction.setColor(surfaceControl, color);
		return this;
		}

		public static void setRelativeLayer(Transaction t, SurfaceControl surfaceControl,
		SurfaceControl relativeTo, int z) {
		t.setRelativeLayer(surfaceControl, relativeTo, z);
		}
		}