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perf: avoid a triple-redundant map lookup in ViewsDelegate::GetAppbarAutohideEdges() (#46333)

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perf: avoid a triple-redundant map lookup in ViewsDelegate::GetAppbarAutohideEdges()

Co-authored-by: trop[bot] <37223003+trop[bot]@users.noreply.github.com>
Co-authored-by: Charles Kerr <charles@charleskerr.com>
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trop[bot] 2025-03-27 18:10:38 -05:00 • committed by GitHub
parent dc4233fd40
commit 94926b734c
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1 changed files with 4 additions and 4 deletions
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8
shell/browser/ui/views/electron_views_delegate_win.cc
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@ -119,8 +119,8 @@ int ViewsDelegate::GetAppbarAutohideEdges(HMONITOR monitor,
// in us thinking there is no auto-hide edges. By returning at least one edge
// we don't initially go fullscreen until we figure out the real auto-hide
// edges.
if (!appbar_autohide_edge_map_.contains(monitor))
appbar_autohide_edge_map_[monitor] = EDGE_BOTTOM;
auto [iter, _] = appbar_autohide_edge_map_.try_emplace(monitor, EDGE_BOTTOM);
const int edges{iter->second};
// We use the SHAppBarMessage API to get the taskbar autohide state. This API
// spins a modal loop which could cause callers to be reentered. To avoid
@ -133,9 +133,9 @@ int ViewsDelegate::GetAppbarAutohideEdges(HMONITOR monitor,
base::BindOnce(&GetAppbarAutohideEdgesOnWorkerThread, monitor),
base::BindOnce(&ViewsDelegate::OnGotAppbarAutohideEdges,
weak_factory_.GetWeakPtr(), std::move(callback), monitor,
appbar_autohide_edge_map_[monitor]));
edges));
}
return appbar_autohide_edge_map_[monitor];
return edges;
}
void ViewsDelegate::OnGotAppbarAutohideEdges(base::OnceClosure callback,