Add measure only call to layoutlib (54ffb435) · Commits · e / os / android_frameworks_base

tools/layoutlib/bridge/src/android/animation/AnimationThread.java

+0 −1

Original line number	Diff line number	Diff line
		@@ -25,7 +25,6 @@ import com.android.layoutlib.bridge.impl.RenderSessionImpl;

		import android.os.Handler;
		import android.os.Handler_Delegate;
		import android.os.Handler_Delegate.IHandlerCallback;
		import android.os.Message;

		import java.util.PriorityQueue;

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/BridgeRenderSession.java

+17 −0

Original line number	Diff line number	Diff line
		@@ -75,6 +75,23 @@ public class BridgeRenderSession extends RenderSession {
		return mSession.getDefaultProperties();
		}

		@Override
		public Result measure(long timeout) {
		try {
		Bridge.prepareThread();
		mLastResult = mSession.acquire(timeout);
		if (mLastResult.isSuccess()) {
		mSession.invalidateRenderingSize();
		mLastResult = mSession.measure();
		}
		} finally {
		mSession.release();
		Bridge.cleanupThread();
		}

		return mLastResult;
		}

		@Override
		public Result render(long timeout, boolean forceMeasure) {
		try {

tools/layoutlib/bridge/src/com/android/layoutlib/bridge/impl/RenderSessionImpl.java

+41 −7

Original line number	Diff line number	Diff line
		@@ -208,7 +208,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		/**
		* Measures the the current layout if needed (see {@link #invalidateRenderingSize}).
		*/
		private void measure(@NonNull SessionParams params) {
		private void measureLayout(@NonNull SessionParams params) {
		// only do the screen measure when needed.
		if (mMeasuredScreenWidth != -1) {
		return;
		@@ -353,7 +353,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {

		setActiveToolbar(view, context, params);

		measure(params);
		measureLayout(params);
		measureView(mViewRoot, null /measuredView/,
		mMeasuredScreenWidth, MeasureSpec.EXACTLY,
		mMeasuredScreenHeight, MeasureSpec.EXACTLY);
		@@ -390,7 +390,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		* @param canvas an optional canvas to render the views to. If null, only the measure and
		* layout steps will be executed.
		*/
		private static Result render(@NonNull BridgeContext context, @NonNull ViewGroup viewRoot,
		private static Result renderAndBuildResult(@NonNull BridgeContext context, @NonNull ViewGroup viewRoot,
		@Nullable Canvas canvas, int width, int height) {
		// measure again with the size we need
		// This must always be done before the call to layout
		@@ -428,6 +428,40 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		* @see RenderSession#render(long)
		*/
		public Result render(boolean freshRender) {
		return renderAndBuildResult(freshRender, false);
		}

		/**
		* Measures the layout
		* <p>
		* {@link #acquire(long)} must have been called before this.
		*
		* @throws IllegalStateException if the current context is different than the one owned by
		* the scene, or if {@link #acquire(long)} was not called.
		*
		* @see SessionParams#getRenderingMode()
		* @see RenderSession#render(long)
		*/
		public Result measure() {
		return renderAndBuildResult(false, true);
		}

		/**
		* Renders the scene.
		* <p>
		* {@link #acquire(long)} must have been called before this.
		*
		* @param freshRender whether the render is a new one and should erase the existing bitmap (in
		* the case where bitmaps are reused). This is typically needed when not playing
		* animations.)
		*
		* @throws IllegalStateException if the current context is different than the one owned by
		* the scene, or if {@link #acquire(long)} was not called.
		*
		* @see SessionParams#getRenderingMode()
		* @see RenderSession#render(long)
		*/
		private Result renderAndBuildResult(boolean freshRender, boolean onlyMeasure) {
		checkLock();

		SessionParams params = getParams();
		@@ -437,11 +471,11 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		return ERROR_NOT_INFLATED.createResult();
		}

		measure(params);
		measureLayout(params);

		HardwareConfig hardwareConfig = params.getHardwareConfig();
		Result renderResult = SUCCESS.createResult();
		if (params.isLayoutOnly()) {
		if (onlyMeasure) {
		// delete the canvas and image to reset them on the next full rendering
		mImage = null;
		mCanvas = null;
		@@ -509,7 +543,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		long initialTime = System_Delegate.nanoTime();
		if (!mFirstFrameExecuted) {
		// We need to run an initial draw call to initialize the animations
		render(getContext(), mViewRoot, NOP_CANVAS, mMeasuredScreenWidth, mMeasuredScreenHeight);
		renderAndBuildResult(getContext(), mViewRoot, NOP_CANVAS, mMeasuredScreenWidth, mMeasuredScreenHeight);

		// The first frame will initialize the animations
		Choreographer_Delegate.doFrame(initialTime);
		@@ -518,7 +552,7 @@ public class RenderSessionImpl extends RenderAction<SessionParams> {
		// Second frame will move the animations
		Choreographer_Delegate.doFrame(initialTime + mElapsedFrameTimeNanos);
		}
		renderResult = render(getContext(), mViewRoot, mCanvas, mMeasuredScreenWidth,
		renderResult = renderAndBuildResult(getContext(), mViewRoot, mCanvas, mMeasuredScreenWidth,
		mMeasuredScreenHeight);
		}