serge-sans-paille
7c5a815c92
Differential Revision: https://phabricator.services.mozilla.com/D311043
80 lines
2.8 KiB
C++
80 lines
2.8 KiB
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_widget_WindowsUIUtils_h_
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#define mozilla_widget_WindowsUIUtils_h_
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#include "mozilla/Maybe.h"
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#include "mozilla/MozPromise.h"
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#include "nsColor.h"
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#include "nsIWindowsUIUtils.h"
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#include "nsString.h"
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// Avoid including windef.h to get this, which improves
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// build times.
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typedef struct HWND__* HWND;
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using SharePromise =
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mozilla::MozPromise<bool, nsresult, /* IsExclusive */ true>;
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namespace mozilla {
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enum class ColorScheme : uint8_t;
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}
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class WindowsUIUtils final : public nsIWindowsUIUtils {
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIWINDOWSUIUTILS
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WindowsUIUtils() = default;
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static RefPtr<SharePromise> Share(nsAutoString aTitle, nsAutoString aText,
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nsAutoString aUrl);
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// Why the Win11 tablet-mode state is being recomputed. Receiving an OS-level
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// ConvertibleSlateMode notification is itself evidence that the device is
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// tablet-capable, and so overrides a negative result from the capability
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// heuristic
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enum class TabletModeUpdateReason : uint8_t { Notification, LazyQuery };
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static void UpdateInWin10TabletMode();
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static void UpdateInWin11TabletMode(TabletModeUpdateReason);
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// Check whether we're in Win10 tablet mode.
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//
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// (Win10 tablet mode is considered sufficiently different from Win11 tablet
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// mode that there is no single getter to retrieve whether we're in a generic
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// "tablet mode".)
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static bool GetInWin10TabletMode();
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// Check whether we're in Win11 tablet mode.
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//
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// (Win11 tablet mode is considered sufficiently different from Win10 tablet
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// mode that there is no single getter to retrieve whether we're in a generic
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// "tablet mode".)
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static bool GetInWin11TabletMode();
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// Check whether this device can enter tablet mode at all. Unlike the
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// GetIn*TabletMode() getters, this is a stable property of the device rather
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// than a momentary state, so it's the right question to ask when deciding
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// whether to offer tablet-mode-related UI.
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static bool GetIsTabletCapable();
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// Gets the system accent color, or one of the darker / lighter variants
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// (darker = -1/2/3, lighter=+1/2/3, values outside of that range are
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// disallowed).
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static mozilla::Maybe<nscolor> GetAccentColor(int aTone = 0);
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static mozilla::Maybe<nscolor> GetSystemColor(mozilla::ColorScheme, int);
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// Use LookAndFeel for a cached getter.
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static bool ComputeOverlayScrollbars();
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static double ComputeTextScaleFactor();
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static bool ComputeTransparencyEffects();
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static void AssociateWithWinAppSDK(HWND aWnd);
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static void SetIsTitlebarCollapsed(HWND aWnd, bool aIsCollapsed);
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protected:
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~WindowsUIUtils() = default;
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};
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#endif // mozilla_widget_WindowsUIUtils_h_
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