Invalidate root render node when accessibility focus moves (f6cf1a02) · Commits · e / os / android_frameworks_base

core/java/android/view/ViewRootImpl.java

+37 −15

Original line number	Diff line number	Diff line
		@@ -2460,13 +2460,30 @@ public final class ViewRootImpl implements ViewParent,
		if (mAttachInfo.mHardwareRenderer != null && mAttachInfo.mHardwareRenderer.isEnabled()) {
		// Draw with hardware renderer.
		mIsAnimating = false;
		boolean invalidateRoot = false;
		if (mHardwareYOffset != yOffset \|\| mHardwareXOffset != xOffset) {
		mHardwareYOffset = yOffset;
		mHardwareXOffset = xOffset;
		mAttachInfo.mHardwareRenderer.invalidateRoot();
		invalidateRoot = true;
		}
		mResizeAlpha = resizeAlpha;

		if (!invalidateRoot) {
		// If accessibility focus moved, invalidate the root.
		final Drawable drawable = mAttachInfo.mAccessibilityFocusDrawable;
		if (drawable != null) {
		final Rect bounds = mAttachInfo.mTmpInvalRect;
		if (getAccessibilityFocusedRect(bounds)
		&& !bounds.equals(drawable.getBounds())) {
		invalidateRoot = true;
		}
		}
		}

		if (invalidateRoot) {
		mAttachInfo.mHardwareRenderer.invalidateRoot();
		}

		dirty.setEmpty();

		mBlockResizeBuffer = false;
		@@ -2621,41 +2638,46 @@ public final class ViewRootImpl implements ViewParent,
		* @param canvas The canvas on which to draw.
		*/
		private void drawAccessibilityFocusedDrawableIfNeeded(Canvas canvas) {
		final Rect bounds = mAttachInfo.mTmpInvalRect;
		if (getAccessibilityFocusedRect(bounds)) {
		final Drawable drawable = getAccessibilityFocusedDrawable();
		if (drawable != null) {
		drawable.setBounds(bounds);
		drawable.draw(canvas);
		}
		}
		}

		private boolean getAccessibilityFocusedRect(Rect bounds) {
		final AccessibilityManager manager = AccessibilityManager.getInstance(mView.mContext);
		if (!manager.isEnabled() \|\| !manager.isTouchExplorationEnabled()) {
		return;
		return false;
		}

		final View host = mAccessibilityFocusedHost;
		if (host == null \|\| host.mAttachInfo == null) {
		return;
		}

		final Drawable drawable = getAccessibilityFocusedDrawable();
		if (drawable == null) {
		return;
		return false;
		}

		final AccessibilityNodeProvider provider = host.getAccessibilityNodeProvider();
		final Rect bounds = mAttachInfo.mTmpInvalRect;
		if (provider == null) {
		host.getBoundsOnScreen(bounds);
		} else if (mAccessibilityFocusedVirtualView != null) {
		mAccessibilityFocusedVirtualView.getBoundsInScreen(bounds);
		} else {
		return;
		return false;
		}

		bounds.offset(-mAttachInfo.mWindowLeft, -mAttachInfo.mWindowTop);
		bounds.intersect(0, 0, mAttachInfo.mViewRootImpl.mWidth, mAttachInfo.mViewRootImpl.mHeight);
		drawable.setBounds(bounds);
		drawable.draw(canvas);
		final AttachInfo attachInfo = mAttachInfo;
		bounds.offset(-attachInfo.mWindowLeft, -attachInfo.mWindowTop);
		bounds.intersect(0, 0, attachInfo.mViewRootImpl.mWidth, attachInfo.mViewRootImpl.mHeight);
		return true;
		}

		private Drawable getAccessibilityFocusedDrawable() {
		// Lazily load the accessibility focus drawable.
		if (mAttachInfo.mAccessibilityFocusDrawable == null) {
		TypedValue value = new TypedValue();
		final TypedValue value = new TypedValue();
		final boolean resolved = mView.mContext.getTheme().resolveAttribute(
		R.attr.accessibilityFocusedDrawable, value, true);
		if (resolved) {