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LibWeb: Don't layout twice for every InProcessWebView resize event

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Calling Frame::set_size() already triggered a relayout, so calling
layout() again right after meant we did all the work one more time.

Not being dumb like this makes resizing significantly smoother. :^)
This commit is contained in:
Andreas Kling 2020-12-02 23:43:54 +01:00
parent 15e35b0d71
commit 4fe987ba00
Notes: sideshowbarker 2024-07-19 01:04:48 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/4fe987ba00b
1 changed files with 0 additions and 2 deletions
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Libraries/LibWeb/InProcessWebView.cpp
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@ -237,14 +237,12 @@ void InProcessWebView::layout_and_sync_size()
bool had_horizontal_scrollbar = horizontal_scrollbar().is_visible();
page().main_frame().set_size(available_size());
document()->layout();
set_content_size(layout_root()->size().to_type<int>());
// NOTE: If layout caused us to gain or lose scrollbars, we have to lay out again
// since the scrollbars now take up some of the available space.
if (had_vertical_scrollbar != vertical_scrollbar().is_visible() || had_horizontal_scrollbar != horizontal_scrollbar().is_visible()) {
page().main_frame().set_size(available_size());
document()->layout();
set_content_size(layout_root()->size().to_type<int>());
}