зеркало из https://github.com/mozilla/gecko-dev.git
125 строки
4.2 KiB
C++
125 строки
4.2 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsLegendFrame.h"
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#include "nsIContent.h"
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#include "nsIAtom.h"
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#include "nsGenericHTMLElement.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->GetStyleDisplay();
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NS_ASSERTION(!disp->IsAbsolutelyPositioned() && !disp->IsFloating(),
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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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NS_IMETHODIMP
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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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PRInt32 nsLegendFrame::GetAlign()
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{
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PRInt32 intValue = NS_STYLE_TEXT_ALIGN_LEFT;
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#ifdef IBMBIDI
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if (mParent && NS_STYLE_DIRECTION_RTL == mParent->GetStyleVisibility()->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 NS_DEBUG
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NS_IMETHODIMP
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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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