forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			86 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			86 lines
		
	
	
	
		
			2.9 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
 | |
| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
 | |
| /* 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/. */
 | |
| 
 | |
| /**
 | |
| 
 | |
|   Eric D Vaughan
 | |
|   This class lays out its children either vertically or horizontally
 | |
| 
 | |
| **/
 | |
| 
 | |
| #ifndef nsScrollbarButtonFrame_h___
 | |
| #define nsScrollbarButtonFrame_h___
 | |
| 
 | |
| #include "mozilla/Attributes.h"
 | |
| #include "nsButtonBoxFrame.h"
 | |
| #include "nsRepeatService.h"
 | |
| 
 | |
| namespace mozilla {
 | |
| class PresShell;
 | |
| }  // namespace mozilla
 | |
| 
 | |
| class nsScrollbarButtonFrame final : public nsButtonBoxFrame {
 | |
|  public:
 | |
|   NS_DECL_FRAMEARENA_HELPERS(nsScrollbarButtonFrame)
 | |
| 
 | |
|   explicit nsScrollbarButtonFrame(ComputedStyle* aStyle,
 | |
|                                   nsPresContext* aPresContext)
 | |
|       : nsButtonBoxFrame(aStyle, aPresContext, kClassID),
 | |
|         mCursorOnThis(false) {}
 | |
| 
 | |
|   // Overrides
 | |
|   virtual void DestroyFrom(nsIFrame* aDestructRoot,
 | |
|                            PostDestroyData& aPostDestroyData) override;
 | |
| 
 | |
|   friend nsIFrame* NS_NewScrollbarButtonFrame(mozilla::PresShell* aPresShell,
 | |
|                                               ComputedStyle* aStyle);
 | |
| 
 | |
|   virtual nsresult HandleEvent(nsPresContext* aPresContext,
 | |
|                                mozilla::WidgetGUIEvent* aEvent,
 | |
|                                nsEventStatus* aEventStatus) override;
 | |
| 
 | |
|   static nsresult GetChildWithTag(nsAtom* atom, nsIFrame* start,
 | |
|                                   nsIFrame*& result);
 | |
|   static nsresult GetParentWithTag(nsAtom* atom, nsIFrame* start,
 | |
|                                    nsIFrame*& result);
 | |
| 
 | |
|   bool HandleButtonPress(nsPresContext* aPresContext,
 | |
|                          mozilla::WidgetGUIEvent* aEvent,
 | |
|                          nsEventStatus* aEventStatus);
 | |
| 
 | |
|   NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
 | |
|                                  mozilla::WidgetGUIEvent* aEvent,
 | |
|                                  nsEventStatus* aEventStatus,
 | |
|                                  bool aControlHeld) override {
 | |
|     return NS_OK;
 | |
|   }
 | |
| 
 | |
|   MOZ_CAN_RUN_SCRIPT
 | |
|   NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
 | |
|                         mozilla::WidgetGUIEvent* aEvent,
 | |
|                         nsEventStatus* aEventStatus) override {
 | |
|     return NS_OK;
 | |
|   }
 | |
| 
 | |
|   NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
 | |
|                            mozilla::WidgetGUIEvent* aEvent,
 | |
|                            nsEventStatus* aEventStatus) override;
 | |
| 
 | |
|  protected:
 | |
|   void StartRepeat() {
 | |
|     nsRepeatService::GetInstance()->Start(Notify, this, mContent->OwnerDoc(),
 | |
|                                           "nsScrollbarButtonFrame"_ns);
 | |
|   }
 | |
|   void StopRepeat() { nsRepeatService::GetInstance()->Stop(Notify, this); }
 | |
|   void Notify();
 | |
|   static void Notify(void* aData) {
 | |
|     static_cast<nsScrollbarButtonFrame*>(aData)->Notify();
 | |
|   }
 | |
| 
 | |
|   bool mCursorOnThis;
 | |
| };
 | |
| 
 | |
| #endif
 | 
