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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* ***** 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.org 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
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsCOMPtr.h"
#include "nsLeafFrame.h"
#include "nsHTMLContainerFrame.h"
#include "nsHTMLParts.h"
#include "nsHTMLAtoms.h"
#include "nsIPresShell.h"
#include "nsPresContext.h"
nsLeafFrame::~nsLeafFrame()
{
}
NS_IMETHODIMP
nsLeafFrame::Paint(nsPresContext* aPresContext,
nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect,
nsFramePaintLayer aWhichLayer,
PRUint32 aFlags)
{
if (NS_FRAME_PAINT_LAYER_BACKGROUND == aWhichLayer) {
PaintSelf(aPresContext, aRenderingContext, aDirtyRect);
}
DO_GLOBAL_REFLOW_COUNT_DSP("nsLeafFrame", &aRenderingContext);
return NS_OK;
}
NS_IMETHODIMP
nsLeafFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsLeafFrame", aReflowState.reason);
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
("enter nsLeafFrame::Reflow: aMaxSize=%d,%d",
aReflowState.availableWidth, aReflowState.availableHeight));
NS_PRECONDITION(mState & NS_FRAME_IN_REFLOW, "frame is not in reflow");
// XXX add in code to check for width/height being set via css
// and if set use them instead of calling GetDesiredSize.
GetDesiredSize(aPresContext, aReflowState, aMetrics);
nsMargin borderPadding;
AddBordersAndPadding(aPresContext, aReflowState, aMetrics, borderPadding);
if (aMetrics.mComputeMEW) {
aMetrics.SetMEWToActualWidth(aReflowState.mStylePosition->mWidth.GetUnit());
}
aStatus = NS_FRAME_COMPLETE;
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
("exit nsLeafFrame::Reflow: size=%d,%d",
aMetrics.width, aMetrics.height));
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aMetrics);
return NS_OK;
}
// XXX how should border&padding effect baseline alignment?
// => descent = borderPadding.bottom for example
void
nsLeafFrame::AddBordersAndPadding(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics,
nsMargin& aBorderPadding)
{
aBorderPadding = aReflowState.mComputedBorderPadding;
aMetrics.width += aBorderPadding.left + aBorderPadding.right;
aMetrics.height += aBorderPadding.top + aBorderPadding.bottom;
aMetrics.ascent = aMetrics.height;
aMetrics.descent = 0;
}
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