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LibWeb+WebContent: Don't relayout page on every scroll event

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The WebContent process was redoing page layout every time you scrolled
the page. This was a huge CPU hog for no reason. Fix this by only doing
a relayout when the viewport is resized, not when it moves around.
This commit is contained in:
Andreas Kling 2021-02-09 22:40:16 +01:00
parent 964894dee6
commit f24b674d7a
3 changed files with 24 additions and 4 deletions
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Userland/Libraries/LibWeb/Page/Frame.h
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@ -73,6 +73,7 @@ public:
void set_viewport_scroll_offset(const Gfx::IntPoint&);
Gfx::IntRect viewport_rect() const { return { m_viewport_scroll_offset, m_size }; }
void set_viewport_rect(const Gfx::IntRect&);
void did_scroll(Badge<InProcessWebView>);