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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* 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 */
#ifndef mozilla_widget_WindowsUIUtils_h__
#define mozilla_widget_WindowsUIUtils_h__
#include "nsIWindowsUIUtils.h"
#include "nsString.h"
#include "nsColor.h"
#include "mozilla/Maybe.h"
#include "mozilla/MozPromise.h"
using SharePromise =
mozilla::MozPromise<bool, nsresult, /* IsExclusive */ true>;
namespace mozilla {
enum class ColorScheme : uint8_t;
class WindowsUIUtils final : public nsIWindowsUIUtils {
static RefPtr<SharePromise> Share(nsAutoString aTitle, nsAutoString aText,
nsAutoString aUrl);
static void UpdateInTabletMode();
static bool GetInTabletMode();
// Gets the system accent color, or one of the darker / lighter variants
// (darker = -1/2/3, lighter=+1/2/3, values outside of that range are
// disallowed).
static mozilla::Maybe<nscolor> GetAccentColor(int aTone = 0);
static mozilla::Maybe<nscolor> GetSystemColor(mozilla::ColorScheme, int);
// Use LookAndFeel for a cached getter.
static bool ComputeOverlayScrollbars();
static double ComputeTextScaleFactor();
static bool ComputeTransparencyEffects();
#endif // mozilla_widget_WindowsUIUtils_h__