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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsLegendFrame.h"
#include "nsIContent.h"
#include "nsGenericHTMLElement.h"
#include "nsAttrValueInlines.h"
#include "nsHTMLParts.h"
#include "nsGkAtoms.h"
#include "nsStyleConsts.h"
#include "nsFormControlFrame.h"
nsIFrame*
NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
#ifdef DEBUG
const nsStyleDisplay* disp = aContext->StyleDisplay();
NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(),
"Legends should not be positioned and should not float");
#endif
nsIFrame* f = new (aPresShell) nsLegendFrame(aContext);
if (f) {
f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
}
return f;
}
NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
nsIAtom*
nsLegendFrame::GetType() const
{
return nsGkAtoms::legendFrame;
}
void
nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot)
{
nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
nsBlockFrame::DestroyFrom(aDestructRoot);
}
NS_QUERYFRAME_HEAD(nsLegendFrame)
NS_QUERYFRAME_ENTRY(nsLegendFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
void
nsLegendFrame::Reflow(nsPresContext* aPresContext,
ReflowOutput& aDesiredSize,
const ReflowInput& aReflowInput,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsLegendFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
if (mState & NS_FRAME_FIRST_REFLOW) {
nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
}
return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowInput, aStatus);
}
int32_t
nsLegendFrame::GetLogicalAlign(WritingMode aCBWM)
{
int32_t intValue = NS_STYLE_TEXT_ALIGN_START;
nsGenericHTMLElement* content = nsGenericHTMLElement::FromContent(mContent);
if (content) {
const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align);
if (attr && attr->Type() == nsAttrValue::eEnum) {
intValue = attr->GetEnumValue();
switch (intValue) {
case NS_STYLE_TEXT_ALIGN_LEFT:
intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_START
: NS_STYLE_TEXT_ALIGN_END;
break;
case NS_STYLE_TEXT_ALIGN_RIGHT:
intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_END
: NS_STYLE_TEXT_ALIGN_START;
break;
}
}
}
return intValue;
}
#ifdef DEBUG_FRAME_DUMP
nsresult
nsLegendFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult);
}
#endif
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