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Diffstat (limited to '')
| -rw-r--r-- | widget/windows/nsNativeThemeWin.h | 175 |
1 files changed, 175 insertions, 0 deletions
diff --git a/widget/windows/nsNativeThemeWin.h b/widget/windows/nsNativeThemeWin.h new file mode 100644 index 0000000000..f56e5f9bc7 --- /dev/null +++ b/widget/windows/nsNativeThemeWin.h @@ -0,0 +1,175 @@ +/* -*- 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 <windows.h> + +#include "mozilla/Maybe.h" +#include "mozilla/TimeStamp.h" +#include "Theme.h" +#include "nsUXThemeConstants.h" +#include "nsUXThemeData.h" + +namespace mozilla::widget { + +class nsNativeThemeWin : public Theme { + protected: + virtual ~nsNativeThemeWin(); + + public: + // Whether we draw a non-native widget. + // + // We always draw scrollbars as non-native so that all of Firefox has + // consistent scrollbar styles both in chrome and content (plus, the + // non-native scrollbars support scrollbar-width, auto-darkening...). + // + // We draw other widgets as non-native when their color-scheme is dark. In + // that case (`BecauseColorMismatch`) we don't call into the non-native theme + // for sizing information (GetWidgetPadding/Border and GetMinimumWidgetSize), + // to avoid subtle sizing changes. The non-native theme can basically draw at + // any size, so we prefer to have consistent sizing information. + enum class NonNative { No, Always, BecauseColorMismatch }; + NonNative IsWidgetNonNative(nsIFrame*, StyleAppearance); + + // The nsITheme interface. + NS_IMETHOD DrawWidgetBackground(gfxContext* aContext, nsIFrame* aFrame, + StyleAppearance aAppearance, + const nsRect& aRect, const nsRect& aDirtyRect, + DrawOverflow) override; + + bool CreateWebRenderCommandsForWidget(wr::DisplayListBuilder&, + wr::IpcResourceUpdateQueue&, + const layers::StackingContextHelper&, + layers::RenderRootStateManager*, + nsIFrame*, StyleAppearance, + const nsRect&) 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; + + LayoutDeviceIntSize GetMinimumWidgetSize( + nsPresContext* aPresContext, nsIFrame* aFrame, + StyleAppearance aAppearance) 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(nsIFrame*, StyleAppearance) override; + + bool ThemeWantsButtonInnerFocusRing(nsIFrame*, StyleAppearance) override { + return true; + } + + bool ThemeNeedsComboboxDropmarker() override; + + bool WidgetAppearanceDependsOnWindowFocus(StyleAppearance) override; + + enum { eThemeGeometryTypeWindowButtons = eThemeGeometryTypeUnknown + 1 }; + ThemeGeometryType ThemeGeometryTypeForWidget(nsIFrame*, + StyleAppearance) override; + + nsNativeThemeWin(); + + protected: + 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); + LayoutDeviceIntSize ClassicGetMinimumWidgetSize(nsIFrame* aFrame, + StyleAppearance aAppearance); + bool ClassicThemeSupportsWidget(nsIFrame* aFrame, + StyleAppearance aAppearance); + void DrawCheckedRect(HDC hdc, const RECT& rc, int32_t fore, int32_t back, + HBRUSH defaultBack); + 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, + 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 + // 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]; + LayoutDeviceIntSize + mMinimumWidgetSizeCache[eUXNumClasses * THEME_PART_DISTINCT_VALUE_COUNT]; + + bool mGutterSizeCacheValid; + SIZE mGutterSizeCache; +}; + +} // namespace mozilla::widget + +#endif |