Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: f7b645811ea58be3d4cb17644f2f6cca5e1534ae
https://github.com/WebKit/WebKit/commit/f7b645811ea58be3d4cb17644f2f6cca5e1534ae
Author: Simon Fraser <simon.fra...@apple.com>
Date: 2024-02-16 (Fri, 16 Feb 2024)
Changed paths:
M Source/WebCore/platform/ScrollableArea.h
M Source/WebKit/WebProcess/Plugins/PDF/UnifiedPDF/UnifiedPDFPlugin.h
M Source/WebKit/WebProcess/Plugins/PDF/UnifiedPDF/UnifiedPDFPlugin.mm
Log Message:
-----------
[UnifiedPDF] Set the scrollability on the main content layer
https://bugs.webkit.org/show_bug.cgi?id=269541
rdar://123063794
Reviewed by Tim Horton.
There are two things we can do to optimize tile size, and tile coverage on the
UnifiedPDFPlugin's main content layer.
First, by calling `setScrollability()`, the TileController can decide between
512x512 tiles,
and tiles that stretch the width of the layer.
Second, by using a GraphicsLayer type of `PageTiledBacking` when the plugin is
the main
frame plugin, GraphicsLayerCA makes tile coverage decisions that are more
appropriate for
the main frame scroller.
* Source/WebCore/platform/ScrollableArea.h:
* Source/WebKit/WebProcess/Plugins/PDF/UnifiedPDF/UnifiedPDFPlugin.h:
* Source/WebKit/WebProcess/Plugins/PDF/UnifiedPDF/UnifiedPDFPlugin.mm:
(WebKit::UnifiedPDFPlugin::ensureLayers):
(WebKit::UnifiedPDFPlugin::isFullMainFramePlugin const):
(WebKit::UnifiedPDFPlugin::computeScrollability const):
(WebKit::UnifiedPDFPlugin::updateScrollingExtents):
Canonical link: https://commits.webkit.org/274837@main
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