layout/xul/nsSplitterFrame.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   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 //
   8 // nsSplitterFrame
   9 //
  10
  11 #ifndef nsSplitterFrame_h__
  12 #define nsSplitterFrame_h__
  13
  14 #include "mozilla/Attributes.h"
  15 #include "nsBoxFrame.h"
  16
  17 class nsSplitterFrameInner;
  18
  19 nsIFrame* NS_NewSplitterFrame(nsIPresShell* aPresShell,
  20                               mozilla::ComputedStyle* aStyle);
  21
  22 class nsSplitterFrame final : public nsBoxFrame {
  23  public:
  24   NS_DECL_FRAMEARENA_HELPERS(nsSplitterFrame)
  25
  26   explicit nsSplitterFrame(ComputedStyle* aStyle, nsPresContext* aPresContext);
  27   virtual void DestroyFrom(nsIFrame* aDestructRoot,
  28                            PostDestroyData& aPostDestroyData) override;
  29
  30 #ifdef DEBUG_FRAME_DUMP
  31   virtual nsresult GetFrameName(nsAString& aResult) const override {
  32     return MakeFrameName(NS_LITERAL_STRING("SplitterFrame"), aResult);
  33   }
  34 #endif
  35
  36   // nsIFrame overrides
  37   virtual nsresult AttributeChanged(int32_t aNameSpaceID, nsAtom* aAttribute,
  38                                     int32_t aModType) override;
  39
  40   virtual void Init(nsIContent* aContent, nsContainerFrame* aParent,
  41                     nsIFrame* aPrevInFlow) override;
  42
  43   NS_IMETHOD DoXULLayout(nsBoxLayoutState& aBoxLayoutState) override;
  44
  45   NS_IMETHOD HandlePress(nsPresContext* aPresContext,
  46                          mozilla::WidgetGUIEvent* aEvent,
  47                          nsEventStatus* aEventStatus) override;
  48
  49   NS_IMETHOD HandleMultiplePress(nsPresContext* aPresContext,
  50                                  mozilla::WidgetGUIEvent* aEvent,
  51                                  nsEventStatus* aEventStatus,
  52                                  bool aControlHeld) override;
  53
  54   NS_IMETHOD HandleDrag(nsPresContext* aPresContext,
  55                         mozilla::WidgetGUIEvent* aEvent,
  56                         nsEventStatus* aEventStatus) override;
  57
  58   NS_IMETHOD HandleRelease(nsPresContext* aPresContext,
  59                            mozilla::WidgetGUIEvent* aEvent,
  60                            nsEventStatus* aEventStatus) override;
  61
  62   virtual nsresult HandleEvent(nsPresContext* aPresContext,
  63                                mozilla::WidgetGUIEvent* aEvent,
  64                                nsEventStatus* aEventStatus) override;
  65
  66   virtual void BuildDisplayList(nsDisplayListBuilder* aBuilder,
  67                                 const nsDisplayListSet& aLists) override;
  68
  69   virtual void GetInitialOrientation(bool& aIsHorizontal) override;
  70
  71  private:
  72   friend class nsSplitterFrameInner;
  73   nsSplitterFrameInner* mInner;
  74
  75 };  // class nsSplitterFrame
  76
  77 #endif