Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* This Source Code Form is subject to the terms of the Mozilla Public
       3             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       4             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       5             : 
       6             : /**
       7             : 
       8             :   Eric D Vaughan
       9             :   A frame that can have multiple children. Only one child may be displayed at one time. So the
      10             :   can be flipped though like a deck of cards.
      11             : 
      12             : **/
      13             : 
      14             : #ifndef nsDeckFrame_h___
      15             : #define nsDeckFrame_h___
      16             : 
      17             : #include "mozilla/Attributes.h"
      18             : #include "nsBoxFrame.h"
      19             : 
      20           1 : class nsDeckFrame final : public nsBoxFrame
      21             : {
      22             : public:
      23             :   NS_DECL_QUERYFRAME
      24         190 :   NS_DECL_FRAMEARENA_HELPERS(nsDeckFrame)
      25             : 
      26             :   friend nsIFrame* NS_NewDeckFrame(nsIPresShell* aPresShell,
      27             :                                    nsStyleContext* aContext);
      28             : 
      29             :   virtual nsresult AttributeChanged(int32_t         aNameSpaceID,
      30             :                                     nsIAtom*        aAttribute,
      31             :                                     int32_t         aModType) override;
      32             : 
      33             :   NS_IMETHOD DoXULLayout(nsBoxLayoutState& aState) override;
      34             : 
      35             :   virtual void BuildDisplayList(nsDisplayListBuilder*   aBuilder,
      36             :                                 const nsRect&           aDirtyRect,
      37             :                                 const nsDisplayListSet& aLists) override;
      38             : 
      39             :   virtual void RemoveFrame(ChildListID aListID,
      40             :                            nsIFrame* aOldFrame) override;
      41             : 
      42             :   virtual void BuildDisplayListForChildren(nsDisplayListBuilder*   aBuilder,
      43             :                                            const nsRect&           aDirtyRect,
      44             :                                            const nsDisplayListSet& aLists) override;
      45             : 
      46             :   virtual void Init(nsIContent*       aContent,
      47             :                     nsContainerFrame* aParent,
      48             :                     nsIFrame*         aPrevInFlow) override;
      49             : 
      50             : #ifdef DEBUG_FRAME_DUMP
      51           0 :   virtual nsresult GetFrameName(nsAString& aResult) const override
      52             :   {
      53           0 :       return MakeFrameName(NS_LITERAL_STRING("Deck"), aResult);
      54             :   }
      55             : #endif
      56             : 
      57             :   explicit nsDeckFrame(nsStyleContext* aContext);
      58             : 
      59             :   nsIFrame* GetSelectedBox();
      60             : 
      61             : protected:
      62             : 
      63             :   void IndexChanged();
      64             :   int32_t GetSelectedIndex();
      65             :   void HideBox(nsIFrame* aBox);
      66             : 
      67             : private:
      68             : 
      69             :   int32_t mIndex;
      70             : 
      71             : }; // class nsDeckFrame
      72             : 
      73             : #endif
      74             :