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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_widget_WinContentSystemParameters_h
#define mozilla_widget_WinContentSystemParameters_h
#include <memory>
#include <cinttypes>
#include "nsTArray.h"
namespace mozilla {
namespace dom {
class SystemParameterKVPair;
}
namespace widget {
enum class SystemParameterId : uint8_t {
IsPerMonitorDPIAware = 0,
SystemDPI,
FlatMenusEnabled,
IsAppThemed,
Count,
};
class WinContentSystemParameters {
public:
static WinContentSystemParameters* GetSingleton();
bool IsPerMonitorDPIAware();
float SystemDPI();
bool AreFlatMenusEnabled();
bool IsAppThemed();
void SetContentValues(const nsTArray<dom::SystemParameterKVPair>& values);
nsTArray<dom::SystemParameterKVPair> GetParentValues();
void OnThemeChanged();
WinContentSystemParameters(const WinContentSystemParameters&) = delete;
WinContentSystemParameters(WinContentSystemParameters&&) = delete;
WinContentSystemParameters& operator=(const WinContentSystemParameters&) =
delete;
WinContentSystemParameters& operator=(WinContentSystemParameters&&) = delete;
private:
WinContentSystemParameters();
~WinContentSystemParameters();
void SetContentValueInternal(const dom::SystemParameterKVPair& aKVPair);
bool GetParentValueInternal(SystemParameterId aId,
dom::SystemParameterKVPair* aKVPair);
bool IsCachedValueValid(SystemParameterId aId);
void SetCachedValueValid(SystemParameterId aId, bool aIsValid);
struct Detail;
std::unique_ptr<Detail> mDetail;
};
} // namespace widget
} // namespace mozilla
#endif // mozilla_widget_WinContentSystemParameters_h
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