forked from mirrors/gecko-dev
716b863fb4
* Linux doesn't support them already. * macOS doesn't draw anything either. * Windows doesn't have dark-color-scheme support so the relevant windows that have them need to set appearance none already. Remove them and simplify the relevant code. Differential Revision: https://phabricator.services.mozilla.com/D205872
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/* vim: se cin sw=2 ts=2 et : */
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* 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 __UXThemeData_h__
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#define __UXThemeData_h__
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#include <windows.h>
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#include <uxtheme.h>
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#include "nscore.h"
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#include "mozilla/LookAndFeel.h"
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#include "mozilla/Maybe.h"
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#include "WinUtils.h"
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#include "nsWindowDefs.h"
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enum nsUXThemeClass {
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eUXButton = 0,
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eUXEdit,
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eUXToolbar,
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eUXProgress,
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eUXTab,
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eUXTrackbar,
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eUXCombobox,
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eUXHeader,
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eUXListview,
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eUXMenu,
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eUXNumClasses
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};
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class nsUXThemeData {
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// This class makes sure we don't attempt to open a theme if the previous
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// loading attempt has failed because OpenThemeData is a heavy task and
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// it's less likely that the API returns a different result.
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class ThemeHandle final {
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mozilla::Maybe<HANDLE> mHandle;
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public:
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ThemeHandle() = default;
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~ThemeHandle();
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// Disallow copy and move
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ThemeHandle(const ThemeHandle&) = delete;
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ThemeHandle(ThemeHandle&&) = delete;
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ThemeHandle& operator=(const ThemeHandle&) = delete;
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ThemeHandle& operator=(ThemeHandle&&) = delete;
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operator HANDLE();
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void OpenOnce(HWND aWindow, LPCWSTR aClassList);
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void Close();
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};
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static ThemeHandle sThemes[eUXNumClasses];
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static const wchar_t* GetClassName(nsUXThemeClass);
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public:
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static bool sIsHighContrastOn;
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static void Invalidate();
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static HANDLE GetTheme(nsUXThemeClass cls);
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static HMODULE GetThemeDLL();
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static void UpdateNativeThemeInfo();
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static bool IsHighContrastOn() { return sIsHighContrastOn; }
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};
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#endif // __UXThemeData_h__
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