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