third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm - Issue 1558493002: Reland: Make ScrollbarThemeAura selectively invalidate scrollbar parts.

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Unified Diff: third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

Issue 1558493002: Reland: Make ScrollbarThemeAura selectively invalidate scrollbar parts. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master

Patch Set: fix ScrollableAreaTest.InvalidatesCompositedScrollbarsIfPartsNeedRepaint for Oilpan Created 5 years ago

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Index: third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

diff --git a/third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm b/third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

index a731a469ac9ec262a7bf6cd3552c1fa3aaed64f9..1548b81ab8e778f66ce86de7a8313b330a63d7b5 100644

--- a/third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

+++ b/third_party/WebKit/Source/platform/mac/ScrollAnimatorMac.mm

@@ -428,20 +428,17 @@ private:

break;

case TrackAlpha:

[_scrollbarPainter.get() setTrackAlpha:currentValue];

- _scrollbar->setTrackNeedsRepaint(true);

+ _scrollbar->setNeedsPaintInvalidation(static_cast<ScrollbarPart>(~ThumbPart));

break;

case UIStateTransition:

[_scrollbarPainter.get() setUiStateTransitionProgress:currentValue];

- _scrollbar->setThumbNeedsRepaint(true);

- _scrollbar->setTrackNeedsRepaint(true);

+ _scrollbar->setNeedsPaintInvalidation();

break;

case ExpansionTransition:

[_scrollbarPainter.get() setExpansionTransitionProgress:currentValue];

- _scrollbar->setThumbNeedsRepaint(true);

+ _scrollbar->setNeedsPaintInvalidation(ThumbPart);

break;

}

- _scrollbar->setNeedsPaintInvalidation();

}

- (void)invalidate