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             : #ifndef nsBoxLayout_h___
       7             : #define nsBoxLayout_h___
       8             : 
       9             : #include "nsISupports.h"
      10             : #include "nsCoord.h"
      11             : #include "nsFrameList.h"
      12             : 
      13             : class nsIFrame;
      14             : class nsBoxLayoutState;
      15             : struct nsSize;
      16             : struct nsMargin;
      17             : 
      18             : #define NS_BOX_LAYOUT_IID \
      19             : { 0x09d522a7, 0x304c, 0x4137, \
      20             :  { 0xaf, 0xc9, 0xe0, 0x80, 0x2e, 0x89, 0xb7, 0xe8 } }
      21             : 
      22             : class nsIGridPart;
      23             : 
      24             : class nsBoxLayout : public nsISupports {
      25             : 
      26             : protected:
      27           0 :   virtual ~nsBoxLayout() {}
      28             : 
      29             : public:
      30             : 
      31           3 :   nsBoxLayout() {}
      32             : 
      33             :   NS_DECL_ISUPPORTS
      34             : 
      35             :   NS_DECLARE_STATIC_IID_ACCESSOR(NS_BOX_LAYOUT_IID)
      36             : 
      37             :   NS_IMETHOD XULLayout(nsIFrame* aBox, nsBoxLayoutState& aState);
      38             : 
      39             :   virtual nsSize GetXULPrefSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
      40             :   virtual nsSize GetXULMinSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
      41             :   virtual nsSize GetXULMaxSize(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
      42             :   virtual nscoord GetAscent(nsIFrame* aBox, nsBoxLayoutState& aBoxLayoutState);
      43          22 :   virtual void ChildrenInserted(nsIFrame* aBox, nsBoxLayoutState& aState,
      44             :                                 nsIFrame* aPrevBox,
      45          22 :                                 const nsFrameList::Slice& aNewChildren) {}
      46           0 :   virtual void ChildrenAppended(nsIFrame* aBox, nsBoxLayoutState& aState,
      47           0 :                                 const nsFrameList::Slice& aNewChildren) {}
      48          13 :   virtual void ChildrenRemoved(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
      49         224 :   virtual void ChildrenSet(nsIFrame* aBox, nsBoxLayoutState& aState, nsIFrame* aChildList) {}
      50        1222 :   virtual void IntrinsicISizesDirty(nsIFrame* aBox, nsBoxLayoutState& aState) {}
      51             : 
      52             :   virtual void AddBorderAndPadding(nsIFrame* aBox, nsSize& aSize);
      53             :   virtual void AddMargin(nsIFrame* aChild, nsSize& aSize);
      54             :   virtual void AddMargin(nsSize& aSize, const nsMargin& aMargin);
      55             : 
      56           0 :   virtual nsIGridPart* AsGridPart() { return nullptr; }
      57             : 
      58             :   static void AddLargestSize(nsSize& aSize, const nsSize& aToAdd);
      59             :   static void AddSmallestSize(nsSize& aSize, const nsSize& aToAdd);
      60             : };
      61             : 
      62             : NS_DEFINE_STATIC_IID_ACCESSOR(nsBoxLayout, NS_BOX_LAYOUT_IID)
      63             : 
      64             : #endif
      65             :