forked from mirrors/gecko-dev
e44543aad4
MozReview-Commit-ID: 5Nzhyta5Hle --HG-- extra : rebase_source : c2e9d4bfb9239f5e851d110cd7dff98c1e1a8d8b
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsLegendFrame.h"
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#include "nsIContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsAttrValueInlines.h"
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#include "nsHTMLParts.h"
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#include "nsGkAtoms.h"
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#include "nsStyleConsts.h"
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#include "nsFormControlFrame.h"
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nsIFrame*
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NS_NewLegendFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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#ifdef DEBUG
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const nsStyleDisplay* disp = aContext->StyleDisplay();
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NS_ASSERTION(!disp->IsAbsolutelyPositionedStyle() && !disp->IsFloatingStyle(),
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"Legends should not be positioned and should not float");
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#endif
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nsIFrame* f = new (aPresShell) nsLegendFrame(aContext);
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f->AddStateBits(NS_BLOCK_FORMATTING_CONTEXT_STATE_BITS);
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return f;
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
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void
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nsLegendFrame::DestroyFrom(nsIFrame* aDestructRoot)
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{
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nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), false);
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nsBlockFrame::DestroyFrom(aDestructRoot);
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}
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NS_QUERYFRAME_HEAD(nsLegendFrame)
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NS_QUERYFRAME_ENTRY(nsLegendFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsBlockFrame)
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void
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nsLegendFrame::Reflow(nsPresContext* aPresContext,
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ReflowOutput& aDesiredSize,
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const ReflowInput& aReflowInput,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsLegendFrame");
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DISPLAY_REFLOW(aPresContext, this, aReflowInput, aDesiredSize, aStatus);
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if (mState & NS_FRAME_FIRST_REFLOW) {
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nsFormControlFrame::RegUnRegAccessKey(static_cast<nsIFrame*>(this), true);
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}
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return nsBlockFrame::Reflow(aPresContext, aDesiredSize, aReflowInput, aStatus);
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}
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int32_t
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nsLegendFrame::GetLogicalAlign(WritingMode aCBWM)
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{
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int32_t intValue = NS_STYLE_TEXT_ALIGN_START;
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nsGenericHTMLElement* content = nsGenericHTMLElement::FromContent(mContent);
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if (content) {
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const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::align);
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if (attr && attr->Type() == nsAttrValue::eEnum) {
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intValue = attr->GetEnumValue();
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switch (intValue) {
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case NS_STYLE_TEXT_ALIGN_LEFT:
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intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_START
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: NS_STYLE_TEXT_ALIGN_END;
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break;
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case NS_STYLE_TEXT_ALIGN_RIGHT:
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intValue = aCBWM.IsBidiLTR() ? NS_STYLE_TEXT_ALIGN_END
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: NS_STYLE_TEXT_ALIGN_START;
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break;
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}
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}
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}
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return intValue;
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}
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#ifdef DEBUG_FRAME_DUMP
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nsresult
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nsLegendFrame::GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("Legend"), aResult);
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}
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#endif
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