/usr/include/thunderbird-11.0.1/nsIGridPart.h is in thunderbird-dev 11.0.1+build1-0ubuntu2.
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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
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* ***** END LICENSE BLOCK ***** */
#ifndef nsIGridPart_h___
#define nsIGridPart_h___
#include "nsISupports.h"
#include "nsFrame.h"
class nsGridRowGroupLayout;
class nsGrid;
class nsGridRowLayout;
class nsGridRow;
class nsGridLayout2;
// 07373ed7-e947-4a5e-b36c-69f7c195677b
#define NS_IGRIDPART_IID \
{ 0x07373ed7, 0xe947, 0x4a5e, \
{ 0xb3, 0x6c, 0x69, 0xf7, 0xc1, 0x95, 0x67, 0x7b } }
/**
* An additional interface implemented by nsBoxLayout implementations
* for parts of a grid (excluding cells, which are not special).
*/
class nsIGridPart : public nsISupports {
public:
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IGRIDPART_IID)
virtual nsGridRowGroupLayout* CastToRowGroupLayout()=0;
virtual nsGridLayout2* CastToGridLayout()=0;
/**
* @param aBox [IN] The other half of the |this| parameter, i.e., the box
* whose layout manager is |this|.
* @param aIndex [INOUT] For callers not setting aRequestor, the value
* pointed to by aIndex is incremented by the index
* of the row (aBox) within its row group; if aBox
* is not a row/column, it is untouched.
* The implementation does this by doing the aIndex
* incrementing in the call to the parent row group
* when aRequestor is non-null.
* @param aRequestor [IN] Non-null if and only if this is a recursive
* call from the GetGrid method on a child grid part,
* in which case it is a pointer to that grid part.
* (This may only be non-null for row groups and
* grids.)
* @return The grid of which aBox (a row, row group, or grid) is a part.
*/
virtual nsGrid* GetGrid(nsIBox* aBox, PRInt32* aIndex, nsGridRowLayout* aRequestor=nsnull)=0;
/**
* @param aBox [IN] The other half of the |this| parameter, i.e., the box
* whose layout manager is |this|.
* @param aParentBox [OUT] The box representing the next level up in
* the grid (i.e., row group for a row, grid for a
* row group).
* @returns The layout manager for aParentBox.
*/
virtual nsIGridPart* GetParentGridPart(nsIBox* aBox, nsIBox** aParentBox) = 0;
/**
* @param aBox [IN] The other half of the |this| parameter, i.e., the box
* whose layout manager is |this|.
* @param aRowCount [INOUT] Row count
* @param aComputedColumnCount [INOUT] Column count
*/
virtual void CountRowsColumns(nsIBox* aBox, PRInt32& aRowCount, PRInt32& aComputedColumnCount)=0;
virtual void DirtyRows(nsIBox* aBox, nsBoxLayoutState& aState)=0;
virtual PRInt32 BuildRows(nsIBox* aBox, nsGridRow* aRows)=0;
virtual nsMargin GetTotalMargin(nsIBox* aBox, bool aIsHorizontal)=0;
virtual PRInt32 GetRowCount() { return 1; }
/**
* Return the level of the grid hierarchy this grid part represents.
*/
enum Type { eGrid, eRowGroup, eRowLeaf };
virtual Type GetType()=0;
/**
* Return whether this grid part is an appropriate parent for the argument.
*/
bool CanContain(nsIGridPart* aPossibleChild) {
Type thisType = GetType(), childType = aPossibleChild->GetType();
return thisType + 1 == childType || (thisType == eRowGroup && childType == eRowGroup);
}
};
NS_DEFINE_STATIC_IID_ACCESSOR(nsIGridPart, NS_IGRIDPART_IID)
#endif
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