Merge "Remove unnecessary transition logic from ImageWallpaper" into rvc-dev am: 31b94bfc1e (9b5fe49c) · Commits · e / os / android_frameworks_base

packages/SystemUI/res/raw/image_wallpaper_fragment_shader.glsl

+1 −66

Original line number	Diff line number	Diff line
		@@ -3,74 +3,9 @@ precision mediump float;
		// The actual wallpaper texture.
		uniform sampler2D uTexture;

		// The 85th percenile for the luminance histogram of the image (a value between 0 and 1).
		// This value represents the point in histogram that includes 85% of the pixels of the image.
		uniform float uPer85;

		// Reveal is the animation value that goes from 1 (the image is hidden) to 0 (the image is visible).
		uniform float uReveal;

		// The opacity of locked screen (constant value).
		uniform float uAod2Opacity;
		varying vec2 vTextureCoordinates;

		/*
		* Calculates the relative luminance of the pixel.
		*/
		vec3 luminosity(vec3 color) {
		float lum = 0.2126 * color.r + 0.7152 * color.g + 0.0722 * color.b;
		return vec3(lum);
		}

		vec4 transform(vec3 diffuse) {
		// Getting the luminance for this pixel
		vec3 lum = luminosity(diffuse);

		/*
		* while the reveal > per85, it shows the luminance image (B&W image)
		* then when moving passed that value, the image gets colored.
		*/
		float trans = smoothstep(0., uPer85, uReveal);
		diffuse = mix(diffuse, lum, trans);

		// 'lower' value represents the capped 'reveal' value to the range [0, per85]
		float selector = step(uPer85, uReveal);
		float lower = mix(uReveal, uPer85, selector);

		/*
		* Remaps image:
		* - from reveal=1 to reveal=per85 => lower=per85, diffuse=luminance
		* That means that remaps black and white image pixel
		* from a possible values of [0,1] to [per85, 1] (if the pixel is darker than per85,
		* it's gonna be black, if it's between per85 and 1, it's gonna be gray
		* and if it's 1 it's gonna be white).
		* - from reveal=per85 to reveal=0 => lower=reveal, 'diffuse' changes from luminance to color
		* That means that remaps each image pixel color (rgb)
		* from a possible values of [0,1] to [lower, 1] (if the pixel color is darker than 'lower',
		* it's gonna be 0, if it's between 'lower' and 1, it's gonna be remap to a value
		* between 0 and 1 and if it's 1 it's gonna be 1).
		* - if reveal=0 => lower=0, diffuse=color image
		* The image is shown as it is, colored.
		*/
		vec3 remaps = smoothstep(lower, 1., diffuse);

		// Interpolate between diffuse and remaps using reveal to avoid over saturation.
		diffuse = mix(diffuse, remaps, uReveal);

		/*
		* Fades in the pixel value:
		* - if reveal=1 => fadeInOpacity=0
		* - from reveal=1 to reveal=per85 => 0<=fadeInOpacity<=1
		* - if reveal>per85 => fadeInOpacity=1
		*/
		float fadeInOpacity = 1. - smoothstep(uPer85, 1., uReveal);
		diffuse = uAod2Opacity fadeInOpacity;

		return vec4(diffuse.r, diffuse.g, diffuse.b, 1.);
		}

		void main() {
		// gets the pixel value of the wallpaper for this uv coordinates on screen.
		vec4 fragColor = texture2D(uTexture, vTextureCoordinates);
		gl_FragColor = transform(fragColor.rgb);
		gl_FragColor = texture2D(uTexture, vTextureCoordinates);
		}
		No newline at end of file

packages/SystemUI/src/com/android/systemui/ImageWallpaper.java

+11 −176

Original line number	Diff line number	Diff line
		@@ -16,9 +16,6 @@

		package com.android.systemui;

		import android.app.ActivityManager;
		import android.content.Context;
		import android.content.res.Configuration;
		import android.graphics.Rect;
		import android.os.Handler;
		import android.os.HandlerThread;
		@@ -27,17 +24,12 @@ import android.os.Trace;
		import android.service.wallpaper.WallpaperService;
		import android.util.Log;
		import android.util.Size;
		import android.view.DisplayInfo;
		import android.view.SurfaceHolder;

		import com.android.internal.annotations.VisibleForTesting;
		import com.android.systemui.glwallpaper.EglHelper;
		import com.android.systemui.glwallpaper.GLWallpaperRenderer;
		import com.android.systemui.glwallpaper.ImageWallpaperRenderer;
		import com.android.systemui.plugins.statusbar.StatusBarStateController;
		import com.android.systemui.plugins.statusbar.StatusBarStateController.StateListener;
		import com.android.systemui.statusbar.StatusBarState;
		import com.android.systemui.statusbar.phone.DozeParameters;

		import java.io.FileDescriptor;
		import java.io.PrintWriter;
		@@ -53,16 +45,12 @@ public class ImageWallpaper extends WallpaperService {
		// We delayed destroy render context that subsequent render requests have chance to cancel it.
		// This is to avoid destroying then recreating render context in a very short time.
		private static final int DELAY_FINISH_RENDERING = 1000;
		private static final int INTERVAL_WAIT_FOR_RENDERING = 100;
		private static final int PATIENCE_WAIT_FOR_RENDERING = 10;
		private static final boolean DEBUG = true;
		private final DozeParameters mDozeParameters;
		private static final boolean DEBUG = false;
		private HandlerThread mWorker;

		@Inject
		public ImageWallpaper(DozeParameters dozeParameters) {
		public ImageWallpaper() {
		super();
		mDozeParameters = dozeParameters;
		}

		@Override
		@@ -74,7 +62,7 @@ public class ImageWallpaper extends WallpaperService {

		@Override
		public Engine onCreateEngine() {
		return new GLEngine(this, mDozeParameters);
		return new GLEngine();
		}

		@Override
		@@ -84,7 +72,7 @@ public class ImageWallpaper extends WallpaperService {
		mWorker = null;
		}

		class GLEngine extends Engine implements GLWallpaperRenderer.SurfaceProxy, StateListener {
		class GLEngine extends Engine {
		// Surface is rejected if size below a threshold on some devices (ie. 8px on elfin)
		// set min to 64 px (CTS covers this), please refer to ag/4867989 for detail.
		@VisibleForTesting
		@@ -94,40 +82,15 @@ public class ImageWallpaper extends WallpaperService {

		private GLWallpaperRenderer mRenderer;
		private EglHelper mEglHelper;
		private StatusBarStateController mController;
		private final Runnable mFinishRenderingTask = this::finishRendering;
		private boolean mShouldStopTransition;
		private final DisplayInfo mDisplayInfo = new DisplayInfo();
		private final Object mMonitor = new Object();
		@VisibleForTesting
		boolean mIsHighEndGfx;
		private boolean mDisplayNeedsBlanking;
		private boolean mNeedTransition;
		private boolean mNeedRedraw;
		// This variable can only be accessed in synchronized block.
		private boolean mWaitingForRendering;

		GLEngine(Context context, DozeParameters dozeParameters) {
		init(dozeParameters);
		GLEngine() {
		}

		@VisibleForTesting
		GLEngine(DozeParameters dozeParameters, Handler handler) {
		GLEngine(Handler handler) {
		super(SystemClock::elapsedRealtime, handler);
		init(dozeParameters);
		}

		private void init(DozeParameters dozeParameters) {
		mIsHighEndGfx = ActivityManager.isHighEndGfx();
		mDisplayNeedsBlanking = dozeParameters.getDisplayNeedsBlanking();
		mNeedTransition = false;

		// We will preserve EGL context when we are in lock screen or aod
		// to avoid janking in following transition, we need to release when back to home.
		mController = Dependency.get(StatusBarStateController.class);
		if (mController != null) {
		mController.addCallback(this /* StateListener */);
		}
		}

		@Override
		@@ -135,9 +98,8 @@ public class ImageWallpaper extends WallpaperService {
		mEglHelper = getEglHelperInstance();
		// Deferred init renderer because we need to get wallpaper by display context.
		mRenderer = getRendererInstance();
		getDisplayContext().getDisplay().getDisplayInfo(mDisplayInfo);
		setFixedSizeAllowed(true);
		setOffsetNotificationsEnabled(mNeedTransition);
		setOffsetNotificationsEnabled(false);
		updateSurfaceSize();
		}

		@@ -146,7 +108,7 @@ public class ImageWallpaper extends WallpaperService {
		}

		ImageWallpaperRenderer getRendererInstance() {
		return new ImageWallpaperRenderer(getDisplayContext(), this /* SurfaceProxy */);
		return new ImageWallpaperRenderer(getDisplayContext());
		}

		private void updateSurfaceSize() {
		@@ -157,79 +119,13 @@ public class ImageWallpaper extends WallpaperService {
		holder.setFixedSize(width, height);
		}

		/**
		* Check if necessary to stop transition with current wallpaper on this device. <br/>
		* This should only be invoked after {@link #onSurfaceCreated(SurfaceHolder)}}
		* is invoked since it needs display context and surface frame size.
		* @return true if need to stop transition.
		*/
		@VisibleForTesting
		boolean checkIfShouldStopTransition() {
		int orientation = getDisplayContext().getResources().getConfiguration().orientation;
		Rect frame = getSurfaceHolder().getSurfaceFrame();
		Rect display = new Rect();
		if (orientation == Configuration.ORIENTATION_PORTRAIT) {
		display.set(0, 0, mDisplayInfo.logicalWidth, mDisplayInfo.logicalHeight);
		} else {
		display.set(0, 0, mDisplayInfo.logicalHeight, mDisplayInfo.logicalWidth);
		}
		return mNeedTransition
		&& (frame.width() < display.width() \|\| frame.height() < display.height());
		}

		@Override
		public void onOffsetsChanged(float xOffset, float yOffset, float xOffsetStep,
		float yOffsetStep, int xPixelOffset, int yPixelOffset) {
		if (mWorker == null) return;
		mWorker.getThreadHandler().post(() -> mRenderer.updateOffsets(xOffset, yOffset));
		}

		@Override
		public void onAmbientModeChanged(boolean inAmbientMode, long animationDuration) {
		if (mWorker == null \|\| !mNeedTransition) return;
		final long duration = mShouldStopTransition ? 0 : animationDuration;
		if (DEBUG) {
		Log.d(TAG, "onAmbientModeChanged: inAmbient=" + inAmbientMode
		+ ", duration=" + duration
		+ ", mShouldStopTransition=" + mShouldStopTransition);
		}
		mWorker.getThreadHandler().post(
		() -> mRenderer.updateAmbientMode(inAmbientMode, duration));
		if (inAmbientMode && animationDuration == 0) {
		// This means that we are transiting from home to aod, to avoid
		// race condition between window visibility and transition,
		// we don't return until the transition is finished. See b/136643341.
		waitForBackgroundRendering();
		}
		}

		@Override
		public boolean shouldZoomOutWallpaper() {
		return true;
		}

		private void waitForBackgroundRendering() {
		synchronized (mMonitor) {
		try {
		mWaitingForRendering = true;
		for (int patience = 1; mWaitingForRendering; patience++) {
		mMonitor.wait(INTERVAL_WAIT_FOR_RENDERING);
		mWaitingForRendering &= patience < PATIENCE_WAIT_FOR_RENDERING;
		}
		} catch (InterruptedException ex) {
		} finally {
		mWaitingForRendering = false;
		}
		}
		}

		@Override
		public void onDestroy() {
		if (mController != null) {
		mController.removeCallback(this /* StateListener */);
		}
		mController = null;

		mWorker.getThreadHandler().post(() -> {
		mRenderer.finish();
		mRenderer = null;
		@@ -240,7 +136,6 @@ public class ImageWallpaper extends WallpaperService {

		@Override
		public void onSurfaceCreated(SurfaceHolder holder) {
		mShouldStopTransition = checkIfShouldStopTransition();
		if (mWorker == null) return;
		mWorker.getThreadHandler().post(() -> {
		mEglHelper.init(holder, needSupportWideColorGamut());
		@@ -251,32 +146,13 @@ public class ImageWallpaper extends WallpaperService {
		@Override
		public void onSurfaceChanged(SurfaceHolder holder, int format, int width, int height) {
		if (mWorker == null) return;
		mWorker.getThreadHandler().post(() -> {
		mRenderer.onSurfaceChanged(width, height);
		mNeedRedraw = true;
		});
		mWorker.getThreadHandler().post(() -> mRenderer.onSurfaceChanged(width, height));
		}

		@Override
		public void onSurfaceRedrawNeeded(SurfaceHolder holder) {
		if (mWorker == null) return;
		if (DEBUG) {
		Log.d(TAG, "onSurfaceRedrawNeeded: mNeedRedraw=" + mNeedRedraw);
		}

		mWorker.getThreadHandler().post(() -> {
		if (mNeedRedraw) {
		drawFrame();
		mNeedRedraw = false;
		}
		});
		}

		@Override
		public void onVisibilityChanged(boolean visible) {
		if (DEBUG) {
		Log.d(TAG, "wallpaper visibility changes: " + visible);
		}
		mWorker.getThreadHandler().post(this::drawFrame);
		}

		private void drawFrame() {
		@@ -285,15 +161,6 @@ public class ImageWallpaper extends WallpaperService {
		postRender();
		}

		@Override
		public void onStatePostChange() {
		// When back to home, we try to release EGL, which is preserved in lock screen or aod.
		if (mWorker != null && mController.getState() == StatusBarState.SHADE) {
		mWorker.getThreadHandler().post(this::scheduleFinishRendering);
		}
		}

		@Override
		public void preRender() {
		// This method should only be invoked from worker thread.
		Trace.beginSection("ImageWallpaper#preRender");
		@@ -330,7 +197,6 @@ public class ImageWallpaper extends WallpaperService {
		}
		}

		@Override
		public void requestRender() {
		// This method should only be invoked from worker thread.
		Trace.beginSection("ImageWallpaper#requestRender");
		@@ -355,27 +221,13 @@ public class ImageWallpaper extends WallpaperService {
		}
		}

		@Override
		public void postRender() {
		// This method should only be invoked from worker thread.
		Trace.beginSection("ImageWallpaper#postRender");
		notifyWaitingThread();
		scheduleFinishRendering();
		Trace.endSection();
		}

		private void notifyWaitingThread() {
		synchronized (mMonitor) {
		if (mWaitingForRendering) {
		try {
		mWaitingForRendering = false;
		mMonitor.notify();
		} catch (IllegalMonitorStateException ex) {
		}
		}
		}
		}

		private void cancelFinishRenderingTask() {
		if (mWorker == null) return;
		mWorker.getThreadHandler().removeCallbacks(mFinishRenderingTask);
		@@ -391,18 +243,11 @@ public class ImageWallpaper extends WallpaperService {
		Trace.beginSection("ImageWallpaper#finishRendering");
		if (mEglHelper != null) {
		mEglHelper.destroyEglSurface();
		if (!needPreserveEglContext()) {
		mEglHelper.destroyEglContext();
		}
		}
		Trace.endSection();
		}

		private boolean needPreserveEglContext() {
		return mNeedTransition && mController != null
		&& mController.getState() == StatusBarState.KEYGUARD;
		}

		private boolean needSupportWideColorGamut() {
		return mRenderer.isWcgContent();
		}
		@@ -411,16 +256,6 @@ public class ImageWallpaper extends WallpaperService {
		protected void dump(String prefix, FileDescriptor fd, PrintWriter out, String[] args) {
		super.dump(prefix, fd, out, args);
		out.print(prefix); out.print("Engine="); out.println(this);
		out.print(prefix); out.print("isHighEndGfx="); out.println(mIsHighEndGfx);
		out.print(prefix); out.print("displayNeedsBlanking=");
		out.println(mDisplayNeedsBlanking);
		out.print(prefix); out.print("displayInfo="); out.print(mDisplayInfo);
		out.print(prefix); out.print("mNeedTransition="); out.println(mNeedTransition);
		out.print(prefix); out.print("mShouldStopTransition=");
		out.println(mShouldStopTransition);
		out.print(prefix); out.print("StatusBarState=");
		out.println(mController != null ? mController.getState() : "null");

		out.print(prefix); out.print("valid surface=");
		out.println(getSurfaceHolder() != null && getSurfaceHolder().getSurface() != null
		? getSurfaceHolder().getSurface().isValid()

packages/SystemUI/src/com/android/systemui/glwallpaper/GLWallpaperRenderer.java

+0 −34

Original line number	Diff line number	Diff line
		@@ -48,20 +48,6 @@ public interface GLWallpaperRenderer {
		*/
		void onDrawFrame();

		/**
		* Notify ambient mode is changed.
		* @param inAmbientMode true if in ambient mode.
		* @param duration duration of transition.
		*/
		void updateAmbientMode(boolean inAmbientMode, long duration);

		/**
		* Notify the wallpaper offsets changed.
		* @param xOffset offset along x axis.
		* @param yOffset offset along y axis.
		*/
		void updateOffsets(float xOffset, float yOffset);

		/**
		* Ask renderer to report the surface size it needs.
		*/
		@@ -81,24 +67,4 @@ public interface GLWallpaperRenderer {
		*/
		void dump(String prefix, FileDescriptor fd, PrintWriter out, String[] args);

		/**
		* A proxy which owns surface holder.
		*/
		interface SurfaceProxy {

		/**
		* Ask proxy to start rendering frame to surface.
		*/
		void requestRender();

		/**
		* Ask proxy to prepare render context.
		*/
		void preRender();

		/**
		* Ask proxy to destroy render context.
		*/
		void postRender();
		}
		}

packages/SystemUI/src/com/android/systemui/glwallpaper/ImageGLWallpaper.java

+3 −129

Original line number	Diff line number	Diff line
		@@ -33,7 +33,6 @@ import static android.opengl.GLES20.glUniform1i;
		import static android.opengl.GLES20.glVertexAttribPointer;

		import android.graphics.Bitmap;
		import android.graphics.Rect;
		import android.opengl.GLUtils;
		import android.util.Log;

		@@ -50,14 +49,9 @@ import java.nio.FloatBuffer;
		class ImageGLWallpaper {
		private static final String TAG = ImageGLWallpaper.class.getSimpleName();

		static final String A_POSITION = "aPosition";
		static final String A_TEXTURE_COORDINATES = "aTextureCoordinates";
		static final String U_PER85 = "uPer85";
		static final String U_REVEAL = "uReveal";
		static final String U_AOD2OPACITY = "uAod2Opacity";
		static final String U_TEXTURE = "uTexture";

		private static final int HANDLE_UNDEFINED = -1;
		private static final String A_POSITION = "aPosition";
		private static final String A_TEXTURE_COORDINATES = "aTextureCoordinates";
		private static final String U_TEXTURE = "uTexture";
		private static final int POSITION_COMPONENT_COUNT = 2;
		private static final int TEXTURE_COMPONENT_COUNT = 2;
		private static final int BYTES_PER_FLOAT = 4;
		@@ -88,14 +82,9 @@ class ImageGLWallpaper {

		private int mAttrPosition;
		private int mAttrTextureCoordinates;
		private int mUniAod2Opacity;
		private int mUniPer85;
		private int mUniReveal;
		private int mUniTexture;
		private int mTextureId;

		private float[] mCurrentTexCoordinate;

		ImageGLWallpaper(ImageGLProgram program) {
		mProgram = program;

		@@ -135,31 +124,9 @@ class ImageGLWallpaper {
		}

		private void setupUniforms() {
		mUniAod2Opacity = mProgram.getUniformHandle(U_AOD2OPACITY);
		mUniPer85 = mProgram.getUniformHandle(U_PER85);
		mUniReveal = mProgram.getUniformHandle(U_REVEAL);
		mUniTexture = mProgram.getUniformHandle(U_TEXTURE);
		}

		int getHandle(String name) {
		switch (name) {
		case A_POSITION:
		return mAttrPosition;
		case A_TEXTURE_COORDINATES:
		return mAttrTextureCoordinates;
		case U_AOD2OPACITY:
		return mUniAod2Opacity;
		case U_PER85:
		return mUniPer85;
		case U_REVEAL:
		return mUniReveal;
		case U_TEXTURE:
		return mUniTexture;
		default:
		return HANDLE_UNDEFINED;
		}
		}

		void draw() {
		glDrawArrays(GL_TRIANGLES, 0, VERTICES.length / 2);
		}
		@@ -200,87 +167,6 @@ class ImageGLWallpaper {
		glUniform1i(mUniTexture, 0);
		}

		/**
		* This method adjust s(x-axis), t(y-axis) texture coordinates to get current display area
		* of texture and will be used during transition.
		* The adjustment happens if either the width or height of the surface is larger than
		* corresponding size of the display area.
		* If both width and height are larger than corresponding size of the display area,
		* the adjustment will happen at both s, t side.
		*
		* @param surface The size of the surface.
		* @param scissor The display area.
		* @param xOffset The offset amount along s axis.
		* @param yOffset The offset amount along t axis.
		*/
		void adjustTextureCoordinates(Rect surface, Rect scissor, float xOffset, float yOffset) {
		mCurrentTexCoordinate = TEXTURES.clone();

		if (surface == null \|\| scissor == null) {
		mTextureBuffer.put(mCurrentTexCoordinate);
		mTextureBuffer.position(0);
		return;
		}

		int surfaceWidth = surface.width();
		int surfaceHeight = surface.height();
		int scissorWidth = scissor.width();
		int scissorHeight = scissor.height();

		if (surfaceWidth > scissorWidth) {
		// Calculate the new s pos in pixels.
		float pixelS = (float) Math.round((surfaceWidth - scissorWidth) * xOffset);
		// Calculate the s pos in texture coordinate.
		float coordinateS = pixelS / surfaceWidth;
		// Calculate the percentage occupied by the scissor width in surface width.
		float surfacePercentageW = (float) scissorWidth / surfaceWidth;
		// Need also consider the case if surface height is smaller than scissor height.
		if (surfaceHeight < scissorHeight) {
		// We will narrow the surface percentage to keep aspect ratio.
		surfacePercentageW *= (float) surfaceHeight / scissorHeight;
		}
		// Determine the final s pos, also limit the legal s pos to prevent from out of range.
		float s = coordinateS + surfacePercentageW > 1f ? 1f - surfacePercentageW : coordinateS;
		// Traverse the s pos in texture coordinates array and adjust the s pos accordingly.
		for (int i = 0; i < mCurrentTexCoordinate.length; i += 2) {
		// indices 2, 4 and 6 are the end of s coordinates.
		if (i == 2 \|\| i == 4 \|\| i == 6) {
		mCurrentTexCoordinate[i] = Math.min(1f, s + surfacePercentageW);
		} else {
		mCurrentTexCoordinate[i] = s;
		}
		}
		}

		if (surfaceHeight > scissorHeight) {
		// Calculate the new t pos in pixels.
		float pixelT = (float) Math.round((surfaceHeight - scissorHeight) * yOffset);
		// Calculate the t pos in texture coordinate.
		float coordinateT = pixelT / surfaceHeight;
		// Calculate the percentage occupied by the scissor height in surface height.
		float surfacePercentageH = (float) scissorHeight / surfaceHeight;
		// Need also consider the case if surface width is smaller than scissor width.
		if (surfaceWidth < scissorWidth) {
		// We will narrow the surface percentage to keep aspect ratio.
		surfacePercentageH *= (float) surfaceWidth / scissorWidth;
		}
		// Determine the final t pos, also limit the legal t pos to prevent from out of range.
		float t = coordinateT + surfacePercentageH > 1f ? 1f - surfacePercentageH : coordinateT;
		// Traverse the t pos in texture coordinates array and adjust the t pos accordingly.
		for (int i = 1; i < mCurrentTexCoordinate.length; i += 2) {
		// indices 1, 3 and 11 are the end of t coordinates.
		if (i == 1 \|\| i == 3 \|\| i == 11) {
		mCurrentTexCoordinate[i] = Math.min(1f, t + surfacePercentageH);
		} else {
		mCurrentTexCoordinate[i] = t;
		}
		}
		}

		mTextureBuffer.put(mCurrentTexCoordinate);
		mTextureBuffer.position(0);
		}

		/**
		* Called to dump current state.
		* @param prefix prefix.
		@@ -289,17 +175,5 @@ class ImageGLWallpaper {
		* @param args args.
		*/
		public void dump(String prefix, FileDescriptor fd, PrintWriter out, String[] args) {
		StringBuilder sb = new StringBuilder();
		sb.append('{');
		if (mCurrentTexCoordinate != null) {
		for (int i = 0; i < mCurrentTexCoordinate.length; i++) {
		sb.append(mCurrentTexCoordinate[i]).append(',');
		if (i == mCurrentTexCoordinate.length - 1) {
		sb.deleteCharAt(sb.length() - 1);
		}
		}
		}
		sb.append('}');
		out.print(prefix); out.print("mTexCoordinates="); out.println(sb.toString());
		}
		}

packages/SystemUI/src/com/android/systemui/glwallpaper/ImageProcessHelper.java

deleted100644 → 0

+0 −246

File deleted.

Preview size limit exceeded, changes collapsed.