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148 lines
4.4 KiB
C++
148 lines
4.4 KiB
C++
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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: NPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the NPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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//
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// Eric Vaughan
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// Netscape Communications
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//
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// See documentation in associated header file
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//
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#include "nsGridRowLeafFrame.h"
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#include "nsGridRowLeafLayout.h"
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#include "nsGridRow.h"
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#include "nsBoxLayoutState.h"
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#include "nsGridLayout2.h"
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nsresult
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NS_NewGridRowLeafFrame ( nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRBool aIsRoot, nsIBoxLayout* aLayoutManager)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsGridRowLeafFrame* it = new (aPresShell) nsGridRowLeafFrame (aPresShell, aIsRoot, aLayoutManager);
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if (nsnull == it)
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return NS_ERROR_OUT_OF_MEMORY;
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*aNewFrame = it;
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return NS_OK;
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}
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nsGridRowLeafFrame::nsGridRowLeafFrame(nsIPresShell* aPresShell, PRBool aIsRoot, nsIBoxLayout* aLayoutManager)
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:nsBoxFrame(aPresShell, aIsRoot, aLayoutManager)
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{
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}
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/*
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* Our border and padding could be affected by our columns or rows
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* Lets go check it out.
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*/
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NS_IMETHODIMP
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nsGridRowLeafFrame::GetBorderAndPadding(nsMargin& aBorderAndPadding)
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{
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// if our columns have made our padding larger add it in.
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nsMargin borderPadding(0,0,0,0);
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nsresult rv = nsBoxFrame::GetBorderAndPadding(aBorderAndPadding);
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nsCOMPtr<nsIBoxLayout> layout;
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GetLayoutManager(getter_AddRefs(layout));
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if (!layout)
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return rv;
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nsCOMPtr<nsIGridPart> part = do_QueryInterface(layout);
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if (!part)
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return rv;
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nsGrid* grid = nsnull;
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PRInt32 index = 0;
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part->GetGrid(this, &grid, &index);
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if (!grid)
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return rv;
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PRInt32 isRow = IsHorizontal();
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nsBoxLayoutState state((nsIPresContext*)nsnull);
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// only the first and last rows can be affected.
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nsGridRow* row = grid->GetRowAt(0, isRow);
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if (row && row->GetBox() == this) {
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nscoord top = 0;
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nscoord bottom = 0;
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//grid->GetRowTopBottomPadding(index, top, PR_TRUE, isRow);
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grid->GetRowOffsets(state, 0, top, bottom, isRow);
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if (isRow) {
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if (top > aBorderAndPadding.top)
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aBorderAndPadding.top = top;
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} else {
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if (top > aBorderAndPadding.left)
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aBorderAndPadding.left = top;
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}
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}
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nscoord count = grid->GetRowCount(isRow);
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if (count == 0)
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return rv;
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row = grid->GetRowAt(count-1, isRow);
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if (row && row->GetBox() == this) {
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nscoord top = 0;
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nscoord bottom = 0;
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//grid->GetRowTopBottomPadding(index, bottom, PR_FALSE, isRow);
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grid->GetRowOffsets(state, count-1, top, bottom, isRow);
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if (isRow) {
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if (bottom > aBorderAndPadding.bottom)
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aBorderAndPadding.bottom = bottom;
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} else {
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if (bottom > aBorderAndPadding.right)
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aBorderAndPadding.right = bottom;
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}
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}
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return rv;
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}
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