зеркало из https://github.com/mozilla/gecko-dev.git
93 строки
2.7 KiB
C++
93 строки
2.7 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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if (f) {
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f->AddStateBits(NS_BLOCK_FLOAT_MGR | NS_BLOCK_MARGIN_ROOT);
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}
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return f;
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsLegendFrame)
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nsIAtom*
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nsLegendFrame::GetType() const
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{
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return nsGkAtoms::legendFrame;
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}
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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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nsresult
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nsLegendFrame::Reflow(nsPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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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, aReflowState, 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, aReflowState, aStatus);
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}
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// REVIEW: We don't need to override BuildDisplayList, nsBlockFrame will honour
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// our visibility setting
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int32_t nsLegendFrame::GetAlign()
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{
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int32_t intValue = NS_STYLE_TEXT_ALIGN_LEFT;
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#ifdef IBMBIDI
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if (mParent && NS_STYLE_DIRECTION_RTL == mParent->StyleVisibility()->mDirection) {
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intValue = NS_STYLE_TEXT_ALIGN_RIGHT;
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}
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#endif // IBMBIDI
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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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}
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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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