michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "nsITheme.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsIAtom.h"
michael@0: #include "nsIObserver.h"
michael@0: #include "nsNativeTheme.h"
michael@0: 
michael@0: #include <gtk/gtk.h>
michael@0: #include "gtkdrawing.h"
michael@0: 
michael@0: class nsNativeThemeGTK: private nsNativeTheme,
michael@0:                         public nsITheme,
michael@0:                         public nsIObserver {
michael@0: public:
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   NS_DECL_NSIOBSERVER
michael@0: 
michael@0:   // The nsITheme interface.
michael@0:   NS_IMETHOD DrawWidgetBackground(nsRenderingContext* aContext,
michael@0:                                   nsIFrame* aFrame, uint8_t aWidgetType,
michael@0:                                   const nsRect& aRect,
michael@0:                                   const nsRect& aDirtyRect);
michael@0: 
michael@0:   NS_IMETHOD GetWidgetBorder(nsDeviceContext* aContext, nsIFrame* aFrame,
michael@0:                              uint8_t aWidgetType, nsIntMargin* aResult);
michael@0: 
michael@0:   virtual NS_HIDDEN_(bool) GetWidgetPadding(nsDeviceContext* aContext,
michael@0:                                               nsIFrame* aFrame,
michael@0:                                               uint8_t aWidgetType,
michael@0:                                               nsIntMargin* aResult);
michael@0: 
michael@0:   virtual NS_HIDDEN_(bool) GetWidgetOverflow(nsDeviceContext* aContext,
michael@0:                                                nsIFrame* aFrame,
michael@0:                                                uint8_t aWidgetType,
michael@0:                                                nsRect* aOverflowRect);
michael@0: 
michael@0:   NS_IMETHOD GetMinimumWidgetSize(nsRenderingContext* aContext,
michael@0:                                   nsIFrame* aFrame, uint8_t aWidgetType,
michael@0:                                   nsIntSize* aResult, bool* aIsOverridable);
michael@0: 
michael@0:   NS_IMETHOD WidgetStateChanged(nsIFrame* aFrame, uint8_t aWidgetType, 
michael@0:                                 nsIAtom* aAttribute, bool* aShouldRepaint);
michael@0: 
michael@0:   NS_IMETHOD ThemeChanged();
michael@0: 
michael@0:   NS_IMETHOD_(bool) ThemeSupportsWidget(nsPresContext* aPresContext,
michael@0:                                           nsIFrame* aFrame,
michael@0:                                           uint8_t aWidgetType);
michael@0: 
michael@0:   NS_IMETHOD_(bool) WidgetIsContainer(uint8_t aWidgetType);
michael@0:   
michael@0:   NS_IMETHOD_(bool) ThemeDrawsFocusForWidget(uint8_t aWidgetType) MOZ_OVERRIDE;
michael@0: 
michael@0:   bool ThemeNeedsComboboxDropmarker();
michael@0: 
michael@0:   virtual Transparency GetWidgetTransparency(nsIFrame* aFrame,
michael@0:                                              uint8_t aWidgetType);
michael@0: 
michael@0:   nsNativeThemeGTK();
michael@0:   virtual ~nsNativeThemeGTK();
michael@0: 
michael@0: private:
michael@0:   gint GetTabMarginPixels(nsIFrame* aFrame);
michael@0:   bool GetGtkWidgetAndState(uint8_t aWidgetType, nsIFrame* aFrame,
michael@0:                               GtkThemeWidgetType& aGtkWidgetType,
michael@0:                               GtkWidgetState* aState, gint* aWidgetFlags);
michael@0:   bool GetExtraSizeForWidget(nsIFrame* aFrame, uint8_t aWidgetType,
michael@0:                                nsIntMargin* aExtra);
michael@0: 
michael@0:   void RefreshWidgetWindow(nsIFrame* aFrame);
michael@0: 
michael@0:   uint8_t mDisabledWidgetTypes[32];
michael@0:   uint8_t mSafeWidgetStates[1024];    // 256 widgets * 32 bits per widget
michael@0:   static const char* sDisabledEngines[];
michael@0: };