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Currently, There are multiple places that call the Win32 APIs for DWM status. Once Win32k lockdown is enabled, this API will be unavailable and will need to be remoted. This new function will be made to work in both parent and content processes, and therefore all DWM queries must be directed to it. Also, some minor cleanup because... Why not? Differential Revision: https://phabricator.services.mozilla.com/D73742
132 lines
3.5 KiB
C++
132 lines
3.5 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 "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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eUXTooltip,
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eUXRebar,
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eUXMediaRebar,
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eUXCommunicationsRebar,
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eUXBrowserTabBarRebar,
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eUXToolbar,
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eUXMediaToolbar,
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eUXCommunicationsToolbar,
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eUXProgress,
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eUXTab,
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eUXScrollbar,
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eUXTrackbar,
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eUXSpin,
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eUXStatus,
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eUXCombobox,
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eUXHeader,
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eUXListview,
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eUXMenu,
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eUXWindowFrame,
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eUXNumClasses
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};
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// Native windows style constants
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enum WindowsTheme {
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WINTHEME_UNRECOGNIZED = 0,
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WINTHEME_CLASSIC = 1, // no theme
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WINTHEME_AERO = 2,
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WINTHEME_LUNA = 3,
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WINTHEME_ROYALE = 4,
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WINTHEME_ZUNE = 5,
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WINTHEME_AERO_LITE = 6
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};
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enum WindowsThemeColor {
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WINTHEMECOLOR_UNRECOGNIZED = 0,
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WINTHEMECOLOR_NORMAL = 1,
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WINTHEMECOLOR_HOMESTEAD = 2,
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WINTHEMECOLOR_METALLIC = 3
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};
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enum CmdButtonIdx {
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CMDBUTTONIDX_MINIMIZE = 0,
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CMDBUTTONIDX_RESTORE,
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CMDBUTTONIDX_CLOSE,
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CMDBUTTONIDX_BUTTONBOX
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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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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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// We initialize sCommandButtonBoxMetrics separately as a performance
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// optimization to avoid fetching dummy values for sCommandButtonMetrics
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// when we don't need those.
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static SIZE sCommandButtonMetrics[3];
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static bool sCommandButtonMetricsInitialized;
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static SIZE sCommandButtonBoxMetrics;
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static bool sCommandButtonBoxMetricsInitialized;
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static const wchar_t* GetClassName(nsUXThemeClass);
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static void EnsureCommandButtonMetrics();
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static void EnsureCommandButtonBoxMetrics();
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public:
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static bool sFlatMenus;
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static bool sTitlebarInfoPopulatedAero;
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static bool sTitlebarInfoPopulatedThemed;
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static mozilla::LookAndFeel::WindowsTheme sThemeId;
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static bool sIsDefaultWindowsTheme;
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static bool sIsHighContrastOn;
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static void Initialize();
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static void Teardown();
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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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// nsWindow calls this to update desktop settings info
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static void UpdateTitlebarInfo(HWND aWnd);
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static SIZE GetCommandButtonMetrics(CmdButtonIdx aMetric) {
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EnsureCommandButtonMetrics();
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return sCommandButtonMetrics[aMetric];
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}
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static SIZE GetCommandButtonBoxMetrics() {
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EnsureCommandButtonBoxMetrics();
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return sCommandButtonBoxMetrics;
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}
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static void UpdateNativeThemeInfo();
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static mozilla::LookAndFeel::WindowsTheme GetNativeThemeId();
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static bool IsDefaultWindowTheme();
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static bool IsHighContrastOn();
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};
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#endif // __UXThemeData_h__
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