afb81b8278
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64 lines
1.4 KiB
C++
64 lines
1.4 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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#pragma once
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#include <QtCore/QPointer>
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class QWindow;
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namespace base {
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enum class PowerSaveBlockType {
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PreventAppSuspension,
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PreventDisplaySleep,
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kCount,
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};
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class PowerSaveBlocker final {
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public:
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PowerSaveBlocker(
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PowerSaveBlockType type,
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const QString &description,
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QWindow *window);
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~PowerSaveBlocker();
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[[nodiscard]] PowerSaveBlockType type() const {
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return _type;
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}
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[[nodiscard]] const QString &description() const {
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return _description;
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}
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[[nodiscard]] QPointer<QWindow> window() const;
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private:
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const PowerSaveBlockType _type = {};
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const QString _description;
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const QPointer<QWindow> _window;
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};
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// DescriptionResolver -> QString, WindowResolver -> QPointer<QWindow>.
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template <typename DescriptionResolver, typename WindowResolver>
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void UpdatePowerSaveBlocker(
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std::unique_ptr<PowerSaveBlocker> &blocker,
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bool block,
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PowerSaveBlockType type,
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DescriptionResolver &&description,
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WindowResolver &&window) {
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if (block && !blocker) {
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blocker = std::make_unique<PowerSaveBlocker>(
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type,
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description(),
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window());
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} else if (!block && blocker) {
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blocker = nullptr;
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}
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}
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} // namespace base
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