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diff --git a/widget/windows/nsNativeThemeWin.h b/widget/windows/nsNativeThemeWin.h
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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 http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsNativeThemeWin_h
+#define nsNativeThemeWin_h
+
+#include "nsITheme.h"
+#include "nsCOMPtr.h"
+#include "nsAtom.h"
+#include "nsNativeTheme.h"
+#include "nsStyleConsts.h"
+#include "nsUXThemeConstants.h"
+#include "nsUXThemeData.h"
+#include "gfxTypes.h"
+#include <windows.h>
+#include "mozilla/Maybe.h"
+#include "mozilla/TimeStamp.h"
+#include "nsSize.h"
+
+class nsNativeThemeWin : private nsNativeTheme, public nsITheme {
+ virtual ~nsNativeThemeWin();
+
+ public:
+ typedef mozilla::TimeStamp TimeStamp;
+ typedef mozilla::TimeDuration TimeDuration;
+
+ NS_DECL_ISUPPORTS_INHERITED
+
+ // The nsITheme interface.
+ NS_IMETHOD DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ const nsRect& aRect,
+ const nsRect& aDirtyRect) override;
+
+ [[nodiscard]] LayoutDeviceIntMargin GetWidgetBorder(
+ nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance) override;
+
+ bool GetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ LayoutDeviceIntMargin* aResult) override;
+
+ virtual bool GetWidgetOverflow(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ nsRect* aOverflowRect) override;
+
+ NS_IMETHOD GetMinimumWidgetSize(nsPresContext* aPresContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ mozilla::LayoutDeviceIntSize* aResult,
+ bool* aIsOverridable) override;
+
+ virtual Transparency GetWidgetTransparency(
+ nsIFrame* aFrame, StyleAppearance aAppearance) override;
+
+ NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, StyleAppearance aAppearance,
+ nsAtom* aAttribute, bool* aShouldRepaint,
+ const nsAttrValue* aOldValue) override;
+
+ NS_IMETHOD ThemeChanged() override;
+
+ bool ThemeSupportsWidget(nsPresContext* aPresContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance) override;
+
+ bool WidgetIsContainer(StyleAppearance aAppearance) override;
+
+ bool ThemeDrawsFocusForWidget(StyleAppearance aAppearance) override;
+
+ bool ThemeWantsButtonInnerFocusRing(StyleAppearance) override { return true; }
+
+ bool ThemeNeedsComboboxDropmarker() override;
+
+ virtual bool WidgetAppearanceDependsOnWindowFocus(
+ StyleAppearance aAppearance) override;
+
+ enum { eThemeGeometryTypeWindowButtons = eThemeGeometryTypeUnknown + 1 };
+ virtual ThemeGeometryType ThemeGeometryTypeForWidget(
+ nsIFrame* aFrame, StyleAppearance aAppearance) override;
+
+ nsNativeThemeWin();
+
+ protected:
+ mozilla::Maybe<nsUXThemeClass> GetThemeClass(StyleAppearance aAppearance);
+ HANDLE GetTheme(StyleAppearance aAppearance);
+ nsresult GetThemePartAndState(nsIFrame* aFrame, StyleAppearance aAppearance,
+ int32_t& aPart, int32_t& aState);
+ nsresult ClassicGetThemePartAndState(nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ int32_t& aPart, int32_t& aState,
+ bool& aFocused);
+ nsresult ClassicDrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ const nsRect& aRect,
+ const nsRect& aClipRect);
+ [[nodiscard]] LayoutDeviceIntMargin ClassicGetWidgetBorder(
+ nsDeviceContext* aContext, nsIFrame* aFrame, StyleAppearance aAppearance);
+ bool ClassicGetWidgetPadding(nsDeviceContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ LayoutDeviceIntMargin* aResult);
+ nsresult ClassicGetMinimumWidgetSize(nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ mozilla::LayoutDeviceIntSize* aResult,
+ bool* aIsOverridable);
+ bool ClassicThemeSupportsWidget(nsIFrame* aFrame,
+ StyleAppearance aAppearance);
+ void DrawCheckedRect(HDC hdc, const RECT& rc, int32_t fore, int32_t back,
+ HBRUSH defaultBack);
+ bool MayDrawCustomScrollbarPart(gfxContext* aContext, nsIFrame* aFrame,
+ StyleAppearance aAppearance,
+ const nsRect& aRect, const nsRect& aClipRect);
+ uint32_t GetWidgetNativeDrawingFlags(StyleAppearance aAppearance);
+ int32_t StandardGetState(nsIFrame* aFrame, StyleAppearance aAppearance,
+ bool wantFocused);
+ bool IsMenuActive(nsIFrame* aFrame, StyleAppearance aAppearance);
+ RECT CalculateProgressOverlayRect(nsIFrame* aFrame, RECT* aWidgetRect,
+ bool aIsVertical, bool aIsIndeterminate,
+ bool aIsClassic);
+ void DrawThemedProgressMeter(nsIFrame* aFrame, StyleAppearance aAppearance,
+ HANDLE aTheme, HDC aHdc, int aPart, int aState,
+ RECT* aWidgetRect, RECT* aClipRect);
+
+ [[nodiscard]] LayoutDeviceIntMargin GetCachedWidgetBorder(
+ HANDLE aTheme, nsUXThemeClass aThemeClass, StyleAppearance aAppearance,
+ int32_t aPart, int32_t aState);
+
+ nsresult GetCachedMinimumWidgetSize(nsIFrame* aFrame, HANDLE aTheme,
+ nsUXThemeClass aThemeClass,
+ StyleAppearance aAppearance,
+ int32_t aPart, int32_t aState,
+ THEMESIZE aSizeReq,
+ mozilla::LayoutDeviceIntSize* aResult);
+
+ SIZE GetCachedGutterSize(HANDLE theme);
+
+ private:
+ TimeStamp mProgressDeterminateTimeStamp;
+ TimeStamp mProgressIndeterminateTimeStamp;
+
+ // eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT is about 800 at the time of
+ // writing this, and nsIntMargin is 16 bytes wide, which makes this cache (1/8
+ // + 16) * 800 bytes, or about ~12KB. We could probably reduce this cache to
+ // 3KB by caching on the aAppearance value instead, but there would be some
+ // uncacheable values, since we derive some theme parts from other arguments.
+ uint8_t
+ mBorderCacheValid[(eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT + 7) /
+ 8];
+ LayoutDeviceIntMargin
+ mBorderCache[eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT];
+
+ // See the above not for mBorderCache and friends. However
+ // mozilla::LayoutDeviceIntSize is half the size of nsIntMargin, making the
+ // cache roughly half as large. In total the caches should come to about 18KB.
+ uint8_t mMinimumWidgetSizeCacheValid
+ [(eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT + 7) / 8];
+ mozilla::LayoutDeviceIntSize
+ mMinimumWidgetSizeCache[eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT];
+
+ bool mGutterSizeCacheValid;
+ SIZE mGutterSizeCache;
+};
+
+#endif