mirror of
https://github.com/mozilla/gecko-dev.git
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125 lines
3.6 KiB
C++
125 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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// YY need to pass isMultiple before create called
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#include "nsLegendFrame.h"
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#include "nsIDOMNode.h"
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#include "nsIDOMHTMLLegendElement.h"
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#include "nsCSSRendering.h"
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#include "nsIContent.h"
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#include "nsIFrame.h"
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#include "nsISupports.h"
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#include "nsIAtom.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLIIDs.h"
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#include "nsHTMLParts.h"
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#include "nsHTMLAtoms.h"
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#include "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsStyleUtil.h"
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#include "nsFont.h"
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#include "nsFormControlFrame.h"
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static NS_DEFINE_IID(kLegendFrameCID, NS_LEGEND_FRAME_CID);
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static NS_DEFINE_IID(kIDOMHTMLLegendElementIID, NS_IDOMHTMLLEGENDELEMENT_IID);
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nsresult
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NS_NewLegendFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsLegendFrame* it = new (aPresShell) nsLegendFrame;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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nsLegendFrame::nsLegendFrame()
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: nsAreaFrame()
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{
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mPresContext = nsnull;
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}
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nsLegendFrame::~nsLegendFrame()
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{
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nsFormControlFrame::RegUnRegAccessKey(mPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_FALSE);
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}
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// Frames are not refcounted, no need to AddRef
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NS_IMETHODIMP
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nsLegendFrame::QueryInterface(REFNSIID aIID, void** aInstancePtrResult)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null pointer");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kLegendFrameCID)) {
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*aInstancePtrResult = (void*) ((nsLegendFrame*)this);
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return NS_OK;
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}
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return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtrResult);
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}
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NS_IMETHODIMP
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nsLegendFrame::Reflow(nsIPresContext* 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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if (eReflowReason_Initial == aReflowState.reason) {
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mPresContext = aPresContext;
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nsFormControlFrame::RegUnRegAccessKey(aPresContext, NS_STATIC_CAST(nsIFrame*, this), PR_TRUE);
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}
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return nsAreaFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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}
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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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nsIHTMLContent* content = nsnull;
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mContent->QueryInterface(kIHTMLContentIID, (void**) &content);
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if (nsnull != content) {
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nsHTMLValue value;
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if (NS_CONTENT_ATTR_HAS_VALUE == (content->GetHTMLAttribute(nsHTMLAtoms::align, value))) {
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if (eHTMLUnit_Enumerated == value.GetUnit()) {
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intValue = value.GetIntValue();
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}
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}
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NS_RELEASE(content);
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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(nsString& aResult) const
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{
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return MakeFrameName("Legend", aResult);
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}
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#endif
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