зеркало из https://github.com/mozilla/gecko-dev.git
124 строки
4.7 KiB
C++
124 строки
4.7 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
#include "nsLeafFrame.h"
|
|
#include "nsIStyleContext.h"
|
|
#include "nsCSSRendering.h"
|
|
|
|
static NS_DEFINE_IID(kStyleSpacingSID, NS_STYLESPACING_SID);
|
|
static NS_DEFINE_IID(kStyleBorderSID, NS_STYLEBORDER_SID);
|
|
static NS_DEFINE_IID(kStyleColorSID, NS_STYLECOLOR_SID);
|
|
|
|
nsLeafFrame::nsLeafFrame(nsIContent* aContent,
|
|
PRInt32 aIndexInParent,
|
|
nsIFrame* aParentFrame)
|
|
: nsFrame(aContent, aIndexInParent, aParentFrame)
|
|
{
|
|
}
|
|
|
|
nsLeafFrame::~nsLeafFrame()
|
|
{
|
|
}
|
|
|
|
NS_METHOD nsLeafFrame::Paint(nsIPresContext& aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect)
|
|
{
|
|
nsStyleColor* myColor =
|
|
(nsStyleColor*)mStyleContext->GetData(kStyleColorSID);
|
|
nsStyleBorder* myBorder =
|
|
(nsStyleBorder*)mStyleContext->GetData(kStyleBorderSID);
|
|
nsCSSRendering::PaintBackground(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, mRect, *myColor);
|
|
nsCSSRendering::PaintBorder(aPresContext, aRenderingContext, this,
|
|
aDirtyRect, mRect, *myBorder, 0);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD nsLeafFrame::ResizeReflow(nsIPresContext* aPresContext,
|
|
nsReflowMetrics& aDesiredSize,
|
|
const nsSize& aMaxSize,
|
|
nsSize* aMaxElementSize,
|
|
ReflowStatus& aStatus)
|
|
{
|
|
// XXX add in code to check for width/height being set via css
|
|
// and if set use them instead of calling GetDesiredSize.
|
|
|
|
GetDesiredSize(aPresContext, aDesiredSize, aMaxSize);
|
|
AddBordersAndPadding(aPresContext, aDesiredSize);
|
|
if (nsnull != aMaxElementSize) {
|
|
aMaxElementSize->width = aDesiredSize.width;
|
|
aMaxElementSize->height = aDesiredSize.height;
|
|
}
|
|
aStatus = frComplete;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_METHOD nsLeafFrame::IncrementalReflow(nsIPresContext* aPresContext,
|
|
nsReflowMetrics& aDesiredSize,
|
|
const nsSize& aMaxSize,
|
|
nsReflowCommand& aReflowCommand,
|
|
ReflowStatus& aStatus)
|
|
{
|
|
// XXX Unless the reflow command is a style change, we should
|
|
// just return the current size, otherwise we should invoke
|
|
// GetDesiredSize
|
|
|
|
// XXX add in code to check for width/height being set via css
|
|
// and if set use them instead of calling GetDesiredSize.
|
|
GetDesiredSize(aPresContext, aDesiredSize, aMaxSize);
|
|
AddBordersAndPadding(aPresContext, aDesiredSize);
|
|
|
|
aStatus = frComplete;
|
|
return NS_OK;
|
|
}
|
|
|
|
// XXX how should border&padding effect baseline alignment?
|
|
// => descent = borderPadding.bottom for example
|
|
void nsLeafFrame::AddBordersAndPadding(nsIPresContext* aPresContext,
|
|
nsReflowMetrics& aDesiredSize)
|
|
{
|
|
nsStyleSpacing* space =
|
|
(nsStyleSpacing*)mStyleContext->GetData(kStyleSpacingSID);
|
|
aDesiredSize.width += space->mBorderPadding.left + space->mBorderPadding.right;
|
|
aDesiredSize.height += space->mBorderPadding.top + space->mBorderPadding.bottom;
|
|
aDesiredSize.ascent = aDesiredSize.height;
|
|
aDesiredSize.descent = 0;
|
|
}
|
|
|
|
void nsLeafFrame::GetInnerArea(nsIPresContext* aPresContext,
|
|
nsRect& aInnerArea) const
|
|
{
|
|
nsStyleSpacing* space =
|
|
(nsStyleSpacing*)mStyleContext->GetData(kStyleSpacingSID);
|
|
aInnerArea.x = space->mBorderPadding.left;
|
|
aInnerArea.y = space->mBorderPadding.top;
|
|
aInnerArea.width = mRect.width -
|
|
(space->mBorderPadding.left + space->mBorderPadding.right);
|
|
aInnerArea.height = mRect.height -
|
|
(space->mBorderPadding.top + space->mBorderPadding.bottom);
|
|
}
|
|
|
|
NS_METHOD nsLeafFrame::CreateContinuingFrame(nsIPresContext* aPresContext,
|
|
nsIFrame* aParent,
|
|
nsIFrame*& aContinuingFrame)
|
|
{
|
|
NS_NOTREACHED("Attempt to split the unsplittable");
|
|
aContinuingFrame = nsnull;
|
|
return NS_OK;
|
|
}
|