Add shadow during resizing in docked mode (c39c7b0c) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewRootImpl.java

+24 −11

Original line number	Diff line number	Diff line
		@@ -16,7 +16,8 @@

		package android.view;

		import static android.view.ViewGroup.LayoutParams.MATCH_PARENT;
		import static android.view.WindowCallbacks.RESIZE_MODE_DOCKED_DIVIDER;
		import static android.view.WindowCallbacks.RESIZE_MODE_FREEFORM;
		import static android.view.WindowManager.LayoutParams.PRIVATE_FLAG_FORCE_DECOR_VIEW_VISIBILITY;
		import static android.view.WindowManager.LayoutParams.TYPE_DOCK_DIVIDER;
		import static android.view.WindowManager.LayoutParams.TYPE_INPUT_METHOD;
		@@ -96,8 +97,8 @@ import java.io.OutputStream;
		import java.io.PrintWriter;
		import java.lang.ref.WeakReference;
		import java.util.ArrayList;
		import java.util.concurrent.CountDownLatch;
		import java.util.HashSet;
		import java.util.concurrent.CountDownLatch;

		/**
		* The top of a view hierarchy, implementing the needed protocol between View
		@@ -146,9 +147,6 @@ public final class ViewRootImpl implements ViewParent,
		*/
		static final int MAX_TRACKBALL_DELAY = 250;

		private static final int RESIZE_MODE_FREEFORM = 0;
		private static final int RESIZE_MODE_DOCKED_DIVIDER = 1;

		static final ThreadLocal<HandlerActionQueue> sRunQueues = new ThreadLocal<HandlerActionQueue>();

		static final ArrayList<Runnable> sFirstDrawHandlers = new ArrayList();
		@@ -233,6 +231,7 @@ public final class ViewRootImpl implements ViewParent,
		boolean mIsAnimating;

		private boolean mDragResizing;
		private boolean mInvalidateRootRequested;
		private int mResizeMode;
		private int mCanvasOffsetX;
		private int mCanvasOffsetY;
		@@ -1828,12 +1827,12 @@ public final class ViewRootImpl implements ViewParent,
		final boolean dragResizing = freeformResizing \|\| dockedResizing;
		if (mDragResizing != dragResizing) {
		if (dragResizing) {
		startDragResizing(mPendingBackDropFrame,
		mWinFrame.equals(mPendingBackDropFrame), mPendingVisibleInsets,
		mPendingStableInsets);
		mResizeMode = freeformResizing
		? RESIZE_MODE_FREEFORM
		: RESIZE_MODE_DOCKED_DIVIDER;
		startDragResizing(mPendingBackDropFrame,
		mWinFrame.equals(mPendingBackDropFrame), mPendingVisibleInsets,
		mPendingStableInsets, mResizeMode);
		} else {
		// We shouldn't come here, but if we come we should end the resize.
		endDragResizing();
		@@ -2438,6 +2437,11 @@ public final class ViewRootImpl implements ViewParent,
		@Override
		public void onHardwarePostDraw(DisplayListCanvas canvas) {
		drawAccessibilityFocusedDrawableIfNeeded(canvas);
		synchronized (mWindowCallbacks) {
		for (int i = mWindowCallbacks.size() - 1; i >= 0; i--) {
		mWindowCallbacks.get(i).onPostDraw(canvas);
		}
		}
		}

		/**
		@@ -2675,7 +2679,8 @@ public final class ViewRootImpl implements ViewParent,
		if (!dirty.isEmpty() \|\| mIsAnimating \|\| accessibilityFocusDirty) {
		if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) {
		// If accessibility focus moved, always invalidate the root.
		boolean invalidateRoot = accessibilityFocusDirty;
		boolean invalidateRoot = accessibilityFocusDirty \|\| mInvalidateRootRequested;
		mInvalidateRootRequested = false;

		// Draw with hardware renderer.
		mIsAnimating = false;
		@@ -2908,6 +2913,14 @@ public final class ViewRootImpl implements ViewParent,
		return mAttachInfo.mAccessibilityFocusDrawable;
		}

		/**
		* Requests that the root render node is invalidated next time we perform a draw, such that
		* {@link WindowCallbacks#onPostDraw} gets called.
		*/
		public void requestInvalidateRootRenderNode() {
		mInvalidateRootRequested = true;
		}

		boolean scrollToRectOrFocus(Rect rectangle, boolean immediate) {
		final Rect ci = mAttachInfo.mContentInsets;
		final Rect vi = mAttachInfo.mVisibleInsets;
		@@ -7090,13 +7103,13 @@ public final class ViewRootImpl implements ViewParent,
		* Start a drag resizing which will inform all listeners that a window resize is taking place.
		*/
		private void startDragResizing(Rect initialBounds, boolean fullscreen, Rect systemInsets,
		Rect stableInsets) {
		Rect stableInsets, int resizeMode) {
		if (!mDragResizing) {
		mDragResizing = true;
		synchronized (mWindowCallbacks) {
		for (int i = mWindowCallbacks.size() - 1; i >= 0; i--) {
		mWindowCallbacks.get(i).onWindowDragResizeStart(initialBounds, fullscreen,
		systemInsets, stableInsets);
		systemInsets, stableInsets, resizeMode);
		}
		}
		mFullRedrawNeeded = true;

core/java/android/view/WindowCallbacks.java

+15 −1

Original line number	Diff line number	Diff line
		@@ -26,6 +26,11 @@ import android.graphics.Rect;
		* @hide
		*/
		public interface WindowCallbacks {

		public static final int RESIZE_MODE_INVALID = -1;
		public static final int RESIZE_MODE_FREEFORM = 0;
		public static final int RESIZE_MODE_DOCKED_DIVIDER = 1;

		/**
		* Called by the system when the window got changed by the user, before the layouter got called.
		* It also gets called when the insets changed, or when the window switched between a fullscreen
		@@ -51,7 +56,7 @@ public interface WindowCallbacks {
		* @param stableInsets The stable insets for the window.
		*/
		void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets,
		Rect stableInsets);
		Rect stableInsets, int resizeMode);

		/**
		* Called when a drag resize ends.
		@@ -69,4 +74,13 @@ public interface WindowCallbacks {
		* @param reportNextDraw Whether it should report when the requested draw finishes.
		*/
		void onRequestDraw(boolean reportNextDraw);

		/**
		* Called after all the content has drawn and the callback now has the ability to draw something
		* on top of everything. Call {@link ViewRootImpl#requestInvalidateRootRenderNode} when this
		* content needs to be redrawn.
		*
		* @param canvas The canvas to draw on.
		*/
		void onPostDraw(DisplayListCanvas canvas);
		}

core/java/com/android/internal/policy/BackdropFrameRenderer.java

+15 −6

Original line number	Diff line number	Diff line
		@@ -16,6 +16,8 @@

		package com.android.internal.policy;

		import static android.view.WindowCallbacks.RESIZE_MODE_FREEFORM;

		import android.graphics.Rect;
		import android.graphics.drawable.ColorDrawable;
		import android.graphics.drawable.Drawable;
		@@ -69,6 +71,7 @@ public class BackdropFrameRenderer extends Thread implements Choreographer.Frame
		private ColorDrawable mNavigationBarColor;
		private boolean mOldFullscreen;
		private boolean mFullscreen;
		private final int mResizeMode;
		private final Rect mOldSystemInsets = new Rect();
		private final Rect mOldStableInsets = new Rect();
		private final Rect mSystemInsets = new Rect();
		@@ -77,7 +80,7 @@ public class BackdropFrameRenderer extends Thread implements Choreographer.Frame
		public BackdropFrameRenderer(DecorView decorView, ThreadedRenderer renderer, Rect initialBounds,
		Drawable resizingBackgroundDrawable, Drawable captionBackgroundDrawable,
		Drawable userCaptionBackgroundDrawable, int statusBarColor, int navigationBarColor,
		boolean fullscreen, Rect systemInsets, Rect stableInsets) {
		boolean fullscreen, Rect systemInsets, Rect stableInsets, int resizeMode) {
		setName("ResizeFrame");

		mRenderer = renderer;
		@@ -98,6 +101,7 @@ public class BackdropFrameRenderer extends Thread implements Choreographer.Frame
		mStableInsets.set(stableInsets);
		mOldSystemInsets.set(systemInsets);
		mOldStableInsets.set(stableInsets);
		mResizeMode = resizeMode;
		synchronized (this) {
		redrawLocked(initialBounds, fullscreen, mSystemInsets, mStableInsets);
		}
		@@ -266,11 +270,16 @@ public class BackdropFrameRenderer extends Thread implements Choreographer.Frame
		mLastXOffset = xOffset;
		mLastYOffset = yOffset;

		// Only clip the content to the bounds if we are not fullscreen. In the other case, we
		// actually need to draw outside these.
		if (mResizeMode == RESIZE_MODE_FREEFORM) {
		mRenderer.setContentDrawBounds(
		mLastXOffset,
		mLastYOffset,
		mLastXOffset + mLastContentWidth,
		mLastYOffset + mLastCaptionHeight + mLastContentHeight);
		}

		// If this was the first call and redrawLocked got already called prior
		// to us, we should re-issue a redrawLocked now.
		return firstCall

core/java/com/android/internal/policy/DecorView.java

+59 −2

Original line number	Diff line number	Diff line
		@@ -39,8 +39,11 @@ import android.content.res.Configuration;
		import android.content.res.Resources;
		import android.graphics.Canvas;
		import android.graphics.Color;
		import android.graphics.LinearGradient;
		import android.graphics.Paint;
		import android.graphics.PixelFormat;
		import android.graphics.Rect;
		import android.graphics.Shader;
		import android.graphics.drawable.Drawable;
		import android.os.Build;
		import android.os.RemoteException;
		@@ -49,6 +52,7 @@ import android.util.Log;
		import android.util.TypedValue;
		import android.view.ActionMode;
		import android.view.ContextThemeWrapper;
		import android.view.DisplayListCanvas;
		import android.view.Gravity;
		import android.view.InputQueue;
		import android.view.KeyEvent;
		@@ -88,6 +92,7 @@ import static android.view.WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACK
		import static android.view.WindowManager.LayoutParams.FLAG_FULLSCREEN;
		import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR;
		import static android.view.WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN;
		import static android.view.WindowManager.LayoutParams.FLAG_SHOW_WALLPAPER;
		import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION;
		import static android.view.WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS;
		import static android.view.WindowManager.LayoutParams.TYPE_APPLICATION;
		@@ -211,6 +216,11 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		private boolean mApplyFloatingVerticalInsets = false;
		private boolean mApplyFloatingHorizontalInsets = false;

		private int mResizeMode = RESIZE_MODE_INVALID;
		private final int mResizeShadowSize;
		private final Paint mVerticalResizeShadowPaint = new Paint();
		private final Paint mHorizontalResizeShadowPaint = new Paint();

		DecorView(Context context, int featureId, PhoneWindow window,
		WindowManager.LayoutParams params) {
		super(context);
		@@ -233,6 +243,10 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		setWindow(window);

		updateLogTag(params);

		mResizeShadowSize = context.getResources().getDimensionPixelSize(
		R.dimen.resize_shadow_size);
		initResizingPaints();
		}

		void setBackgroundFallback(int resId) {
		@@ -699,6 +713,10 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		// our shadow elevation.
		updateElevation();
		mAllowUpdateElevation = true;

		if (changed && mResizeMode == RESIZE_MODE_DOCKED_DIVIDER) {
		getViewRootImpl().requestInvalidateRootRenderNode();
		}
		}

		@Override
		@@ -1907,7 +1925,7 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind

		@Override
		public void onWindowDragResizeStart(Rect initialBounds, boolean fullscreen, Rect systemInsets,
		Rect stableInsets) {
		Rect stableInsets, int resizeMode) {
		if (mWindow.isDestroyed()) {
		// If the owner's window is gone, we should not be able to come here anymore.
		releaseThreadedRenderer();
		@@ -1923,7 +1941,7 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		initialBounds, mResizingBackgroundDrawable, mCaptionBackgroundDrawable,
		mUserCaptionBackgroundDrawable, getCurrentColor(mStatusColorViewState),
		getCurrentColor(mNavigationColorViewState), fullscreen, systemInsets,
		stableInsets);
		stableInsets, resizeMode);

		// Get rid of the shadow while we are resizing. Shadow drawing takes considerable time.
		// If we want to get the shadow shown while resizing, we would need to elevate a new
		@@ -1932,12 +1950,16 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind

		updateColorViews(null /* insets */, false);
		}
		mResizeMode = resizeMode;
		getViewRootImpl().requestInvalidateRootRenderNode();
		}

		@Override
		public void onWindowDragResizeEnd() {
		releaseThreadedRenderer();
		updateColorViews(null /* insets */, false);
		mResizeMode = RESIZE_MODE_INVALID;
		getViewRootImpl().requestInvalidateRootRenderNode();
		}

		@Override
		@@ -1960,6 +1982,41 @@ public class DecorView extends FrameLayout implements RootViewSurfaceTaker, Wind
		}
		}

		@Override
		public void onPostDraw(DisplayListCanvas canvas) {
		drawResizingShadowIfNeeded(canvas);
		}

		private void initResizingPaints() {
		final int startColor = mContext.getResources().getColor(
		R.color.resize_shadow_start_color, null);
		final int endColor = mContext.getResources().getColor(
		R.color.resize_shadow_end_color, null);
		final int middleColor = (startColor + endColor) / 2;
		mHorizontalResizeShadowPaint.setShader(new LinearGradient(
		0, 0, 0, mResizeShadowSize, new int[] { startColor, middleColor, endColor },
		new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP));
		mVerticalResizeShadowPaint.setShader(new LinearGradient(
		0, 0, mResizeShadowSize, 0, new int[] { startColor, middleColor, endColor },
		new float[] { 0f, 0.3f, 1f }, Shader.TileMode.CLAMP));
		}

		private void drawResizingShadowIfNeeded(DisplayListCanvas canvas) {
		if (mResizeMode != RESIZE_MODE_DOCKED_DIVIDER \|\| mWindow.mIsFloating
		\|\| mWindow.isTranslucent()
		\|\| (mWindow.getAttributes().flags & FLAG_SHOW_WALLPAPER) != 0) {
		return;
		}
		canvas.save();
		canvas.translate(0, getHeight() - mFrameOffsets.bottom);
		canvas.drawRect(0, 0, getWidth(), mResizeShadowSize, mHorizontalResizeShadowPaint);
		canvas.restore();
		canvas.save();
		canvas.translate(getWidth() - mFrameOffsets.right, 0);
		canvas.drawRect(0, 0, mResizeShadowSize, getHeight(), mVerticalResizeShadowPaint);
		canvas.restore();
		}

		/** Release the renderer thread which is usually done when the user stops resizing. */
		private void releaseThreadedRenderer() {
		if (mResizingBackgroundDrawable != null && mLastBackgroundDrawableCb != null) {

core/java/com/android/internal/policy/PhoneWindow.java

+7 −0

Original line number	Diff line number	Diff line
		@@ -157,6 +157,7 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		InputQueue.Callback mTakeInputQueueCallback;

		boolean mIsFloating;
		private boolean mIsTranslucent;

		private LayoutInflater mLayoutInflater;

		@@ -490,6 +491,10 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		return mIsFloating;
		}

		public boolean isTranslucent() {
		return mIsTranslucent;
		}

		/**
		* Return a LayoutInflater instance that can be used to inflate XML view layout
		* resources for use in this Window.
		@@ -2400,6 +2405,8 @@ public class PhoneWindow extends Window implements MenuBuilder.Callback {
		requestFeature(FEATURE_ACTIVITY_TRANSITIONS);
		}

		mIsTranslucent = a.getBoolean(R.styleable.Window_windowIsTranslucent, false);

		final Context context = getContext();
		final int targetSdk = context.getApplicationInfo().targetSdkVersion;
		final boolean targetPreHoneycomb = targetSdk < android.os.Build.VERSION_CODES.HONEYCOMB;