42 lines
1.1 KiB
C++
42 lines
1.1 KiB
C++
// This file is part of Desktop App Toolkit,
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// a set of libraries for developing nice desktop applications.
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//
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// For license and copyright information please follow this link:
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// https://github.com/desktop-app/legal/blob/master/LEGAL
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//
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#include "ui/platform/ui_platform_utility.h"
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namespace Ui {
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namespace Platform {
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namespace internal {
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namespace {
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auto &CachedTitleControlsLayout() {
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using Layout = TitleControls::Layout;
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static rpl::variable<Layout> Result = TitleControlsLayout();
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return Result;
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};
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} // namespace
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void NotifyTitleControlsLayoutChanged(
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const std::optional<TitleControls::Layout> &layout) {
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CachedTitleControlsLayout() = layout ? *layout : TitleControlsLayout();
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}
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} // namespace internal
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TitleControls::Layout TitleControlsLayout() {
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return internal::CachedTitleControlsLayout().current();
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}
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rpl::producer<TitleControls::Layout> TitleControlsLayoutValue() {
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return internal::CachedTitleControlsLayout().value();
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}
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rpl::producer<TitleControls::Layout> TitleControlsLayoutChanged() {
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return internal::CachedTitleControlsLayout().changes();
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}
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} // namespace Platform
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} // namespace Ui
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