widget/windows/nsNativeThemeWin.h

   1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  *
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef nsNativeThemeWin_h
   8 #define nsNativeThemeWin_h
   9
  10 #include "nsITheme.h"
  11 #include "nsCOMPtr.h"
  12 #include "nsIAtom.h"
  13 #include "nsNativeTheme.h"
  14 #include "gfxTypes.h"
  15 #include <windows.h>
  16 #include "mozilla/TimeStamp.h"
  17
  18 struct nsIntRect;
  19 struct nsIntSize;
  20
  21 class nsNativeThemeWin : private nsNativeTheme,
  22                          public nsITheme {
  23   virtual ~nsNativeThemeWin();
  24
  25 public:
  26   typedef mozilla::TimeStamp TimeStamp;
  27   typedef mozilla::TimeDuration TimeDuration;
  28
  29   NS_DECL_ISUPPORTS_INHERITED
  30
  31   // The nsITheme interface.
  32   NS_IMETHOD DrawWidgetBackground(nsRenderingContext* aContext,
  33                                   nsIFrame* aFrame,
  34                                   uint8_t aWidgetType,
  35                                   const nsRect& aRect,
  36                                   const nsRect& aDirtyRect);
  37
  38   NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext,
  39                              nsIFrame* aFrame,
  40                              uint8_t aWidgetType,
  41                              nsIntMargin* aResult);
  42
  43   virtual bool GetWidgetPadding(nsDeviceContext* aContext,
  44                                   nsIFrame* aFrame,
  45                                   uint8_t aWidgetType,
  46                                   nsIntMargin* aResult);
  47
  48   virtual bool GetWidgetOverflow(nsDeviceContext* aContext,
  49                                    nsIFrame* aFrame,
  50                                    uint8_t aWidgetType,
  51                                    nsRect* aOverflowRect);
  52
  53   NS_IMETHOD GetMinimumWidgetSize(nsPresContext* aPresContext, nsIFrame* aFrame,
  54                                   uint8_t aWidgetType,
  55                                   nsIntSize* aResult,
  56                                   bool* aIsOverridable);
  57
  58   virtual Transparency GetWidgetTransparency(nsIFrame* aFrame, uint8_t aWidgetType);
  59
  60   NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType,
  61                                 nsIAtom* aAttribute, bool* aShouldRepaint);
  62
  63   NS_IMETHOD ThemeChanged();
  64
  65   bool ThemeSupportsWidget(nsPresContext* aPresContext,
  66                              nsIFrame* aFrame,
  67                              uint8_t aWidgetType);
  68
  69   bool WidgetIsContainer(uint8_t aWidgetType);
  70
  71   bool ThemeDrawsFocusForWidget(uint8_t aWidgetType) MOZ_OVERRIDE;
  72
  73   bool ThemeNeedsComboboxDropmarker();
  74
  75   virtual bool WidgetAppearanceDependsOnWindowFocus(uint8_t aWidgetType) MOZ_OVERRIDE;
  76
  77   virtual bool ShouldHideScrollbars() MOZ_OVERRIDE;
  78
  79   nsNativeThemeWin();
  80
  81 protected:
  82   HANDLE GetTheme(uint8_t aWidgetType);
  83   nsresult GetThemePartAndState(nsIFrame* aFrame, uint8_t aWidgetType,
  84                                 int32_t& aPart, int32_t& aState);
  85   nsresult ClassicGetThemePartAndState(nsIFrame* aFrame, uint8_t aWidgetType,
  86                                        int32_t& aPart, int32_t& aState, bool& aFocused);
  87   nsresult ClassicDrawWidgetBackground(nsRenderingContext* aContext,
  88                                        nsIFrame* aFrame,
  89                                        uint8_t aWidgetType,
  90                                        const nsRect& aRect,
  91                                        const nsRect& aClipRect);
  92   nsresult ClassicGetWidgetBorder(nsDeviceContext* aContext,
  93                                   nsIFrame* aFrame,
  94                                   uint8_t aWidgetType,
  95                                   nsIntMargin* aResult);
  96   bool ClassicGetWidgetPadding(nsDeviceContext* aContext,
  97                                nsIFrame* aFrame,
  98                                uint8_t aWidgetType,
  99                                nsIntMargin* aResult);
 100   nsresult ClassicGetMinimumWidgetSize(nsPresContext* aPresContext, nsIFrame* aFrame,
 101                                        uint8_t aWidgetType,
 102                                        nsIntSize* aResult,
 103                                        bool* aIsOverridable);
 104   bool ClassicThemeSupportsWidget(nsPresContext* aPresContext,
 105                                   nsIFrame* aFrame,
 106                                   uint8_t aWidgetType);
 107   void DrawCheckedRect(HDC hdc, const RECT& rc, int32_t fore, int32_t back,
 108                        HBRUSH defaultBack);
 109   uint32_t GetWidgetNativeDrawingFlags(uint8_t aWidgetType);
 110   int32_t StandardGetState(nsIFrame* aFrame, uint8_t aWidgetType, bool wantFocused);
 111   bool IsMenuActive(nsIFrame* aFrame, uint8_t aWidgetType);
 112   RECT CalculateProgressOverlayRect(nsIFrame* aFrame, RECT* aWidgetRect,
 113                                     bool aIsVertical, bool aIsIndeterminate,
 114                                     bool aIsClassic);
 115   void DrawThemedProgressMeter(nsIFrame* aFrame, int aWidgetType,
 116                                HANDLE aTheme, HDC aHdc,
 117                                int aPart, int aState,
 118                                RECT* aWidgetRect, RECT* aClipRect,
 119                                gfxFloat aAppUnits);
 120
 121 private:
 122   TimeStamp mProgressDeterminateTimeStamp;
 123   TimeStamp mProgressIndeterminateTimeStamp;
 124 };
 125
 126 #endif