mirror of
https://github.com/mozilla/gecko-dev.git
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1539b1b9c3
fixing checkbox and radiobutton state restore fixing right btn click on dropdown adding in initial work for accesskey bug 17027,26296,27063,7559; carpool a=leaf; r=kmcclusk
423 lines
14 KiB
C++
423 lines
14 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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#include "nsGfxButtonControlFrame.h"
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#include "nsIButton.h"
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#include "nsWidgetsCID.h"
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#include "nsIFontMetrics.h"
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#include "nsFormControlFrame.h"
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static NS_DEFINE_IID(kIFormControlIID, NS_IFORMCONTROL_IID);
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static NS_DEFINE_IID(kIButtonIID, NS_IBUTTON_IID);
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const nscoord kSuggestedNotSet = -1;
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nsGfxButtonControlFrame::nsGfxButtonControlFrame()
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{
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mRenderer.SetNameSpace(kNameSpaceID_None);
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mSuggestedWidth = kSuggestedNotSet;
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mSuggestedHeight = kSuggestedNotSet;
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}
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PRBool
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nsGfxButtonControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_HIDDEN == type) || (this == aSubmitter)) {
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// Can not use the nsHTMLButtonControlFrame::IsSuccessful because
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// it will fail it's test of (this==aSubmitter)
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nsAutoString name;
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return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
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} else {
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return PR_FALSE;
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}
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}
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PRInt32
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nsGfxButtonControlFrame::GetMaxNumValues()
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{
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PRInt32 type;
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GetType(&type);
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if ((NS_FORM_INPUT_SUBMIT == type) || (NS_FORM_INPUT_HIDDEN == type)) {
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return 1;
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} else {
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return 0;
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}
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}
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PRBool
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nsGfxButtonControlFrame::GetNamesValues(PRInt32 aMaxNumValues, PRInt32& aNumValues,
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nsString* aValues, nsString* aNames)
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{
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nsAutoString name;
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nsresult result = GetName(&name);
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if ((aMaxNumValues <= 0) || (NS_CONTENT_ATTR_HAS_VALUE != result)) {
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return PR_FALSE;
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}
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PRInt32 type;
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GetType(&type);
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if (NS_FORM_INPUT_RESET == type) {
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aNumValues = 0;
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return PR_FALSE;
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} else {
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nsAutoString value;
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GetValue(&value);
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aValues[0] = value;
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aNames[0] = name;
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aNumValues = 1;
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return PR_TRUE;
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}
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}
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nsresult
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NS_NewGfxButtonControlFrame(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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nsGfxButtonControlFrame* it = new (aPresShell) nsGfxButtonControlFrame;
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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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PRBool
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nsGfxButtonControlFrame::IsReset(PRInt32 type)
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{
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if (NS_FORM_INPUT_RESET == type) {
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return PR_TRUE;
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} else {
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return PR_FALSE;
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}
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}
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PRBool
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nsGfxButtonControlFrame::IsSubmit(PRInt32 type)
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{
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if (NS_FORM_INPUT_SUBMIT == type) {
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return PR_TRUE;
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} else {
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return PR_FALSE;
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}
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}
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/*
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* FIXME: this ::GetIID() method has no meaning in life and should be
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* removed.
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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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const nsIID&
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nsGfxButtonControlFrame::GetIID()
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{
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static NS_DEFINE_IID(kButtonIID, NS_IBUTTON_IID);
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return kButtonIID;
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}
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const nsIID&
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nsGfxButtonControlFrame::GetCID()
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{
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static NS_DEFINE_IID(kButtonCID, NS_BUTTON_CID);
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return kButtonCID;
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}
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#ifdef DEBUG
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NS_IMETHODIMP
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nsGfxButtonControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("ButtonControl", aResult);
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}
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#endif
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NS_IMETHODIMP
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nsGfxButtonControlFrame::AddComputedBorderPaddingToDesiredSize(nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aSuggestedReflowState)
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{
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if (kSuggestedNotSet == mSuggestedWidth) {
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aDesiredSize.width += aSuggestedReflowState.mComputedBorderPadding.left + aSuggestedReflowState.mComputedBorderPadding.right;
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}
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if (kSuggestedNotSet == mSuggestedHeight) {
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aDesiredSize.height += aSuggestedReflowState.mComputedBorderPadding.top + aSuggestedReflowState.mComputedBorderPadding.bottom;
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGfxButtonControlFrame::DoNavQuirksReflow(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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nsIFrame* firstKid = mFrames.FirstChild();
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nsCOMPtr<nsIFontMetrics> fontMet;
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nsresult res = nsFormControlHelper::GetFrameFontFM(aPresContext, (nsIFormControlFrame *)this, getter_AddRefs(fontMet));
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nsSize desiredSize;
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if (NS_SUCCEEDED(res) && fontMet) {
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aReflowState.rendContext->SetFont(fontMet);
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// Get the text from the "value" attribute
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// for measuring the height, width of the text
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// if there is no value attr or its length is 0
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// then go to the generated content to get it
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nsAutoString value;
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GetValue(&value);
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// if there was no value specified
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// then go get the content of the generated content
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// we can't make any assumption as to what the default would be
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// because of the value is specified in the html.css and for
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// for non-english platforms it might not be the string
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// "Reset" or "Submit Query"
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if (value.Length() == 0) {
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value = " ";
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// The child frame will br the generated content
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nsIFrame* fKid;
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firstKid->FirstChild(aPresContext, nsnull, &fKid);
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if (fKid) {
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const nsStyleContent* content;
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fKid->GetStyleData(eStyleStruct_Content, (const nsStyleStruct *&)content);
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PRUint32 count = content->ContentCount();
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// XXX not sure if I need to get more than the first index?
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if (count > 0) {
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nsStyleContentType contentType = eStyleContentType_String;
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content->GetContentAt(0, contentType, value);
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}
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}
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}
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const nsStyleText* textStyle;
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GetStyleData(eStyleStruct_Text, (const nsStyleStruct *&)textStyle);
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if (!textStyle->WhiteSpaceIsSignificant()) {
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value.CompressWhitespace();
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if (value.Length() == 0) {
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value = " ";
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}
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}
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nsInputDimensionSpec btnSpec(NULL, PR_FALSE, nsnull,
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&value,0,
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PR_FALSE, NULL, 1);
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nsFormControlHelper::CalcNavQuirkSizing(aPresContext, aReflowState.rendContext,
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fontMet, (nsIFormControlFrame*)this,
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btnSpec, desiredSize);
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// This calculates the reflow size
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// get the css size and let the frame use or override it
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nsSize styleSize;
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nsFormControlFrame::GetStyleSize(aPresContext, aReflowState, styleSize);
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if (CSS_NOTSET != styleSize.width) { // css provides width
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NS_ASSERTION(styleSize.width >= 0, "form control's computed width is < 0");
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if (NS_INTRINSICSIZE != styleSize.width) {
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desiredSize.width = styleSize.width;
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desiredSize.width += aReflowState.mComputedBorderPadding.top + aReflowState.mComputedBorderPadding.bottom;
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}
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}
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if (CSS_NOTSET != styleSize.height) { // css provides height
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NS_ASSERTION(styleSize.height > 0, "form control's computed height is <= 0");
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if (NS_INTRINSICSIZE != styleSize.height) {
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desiredSize.height = styleSize.height;
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desiredSize.height += aReflowState.mComputedBorderPadding.left + aReflowState.mComputedBorderPadding.right;
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}
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}
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aDesiredSize.width = desiredSize.width;
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aDesiredSize.height = desiredSize.height;
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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} else {
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// XXX ASSERT HERE
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desiredSize.width = 0;
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desiredSize.height = 0;
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}
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// get border and padding
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/*const nsStyleSpacing* spacing;
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GetStyleData(eStyleStruct_Spacing, (const nsStyleStruct *&)spacing);
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nsMargin borderPadding;
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borderPadding.SizeTo(0, 0, 0, 0);
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spacing->CalcBorderPaddingFor(this, borderPadding);
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*/
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// remove it from the the desired size
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// because the content need to fit inside of it
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desiredSize.width -= (aReflowState.mComputedBorderPadding.left + aReflowState.mComputedBorderPadding.right);
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desiredSize.height -= (aReflowState.mComputedBorderPadding.top + aReflowState.mComputedBorderPadding.bottom);
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// now reflow the first child (genertaed content)
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nsHTMLReflowState reflowState(aPresContext, aReflowState, firstKid, desiredSize);
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reflowState.mComputedWidth = desiredSize.width;
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reflowState.mComputedHeight = desiredSize.height;
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// XXX Proper handling of incremental reflow...
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if (eReflowReason_Incremental == aReflowState.reason) {
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nsIFrame* targetFrame;
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// See if it's targeted at us
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aReflowState.reflowCommand->GetTarget(targetFrame);
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if (this == targetFrame) {
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Invalidate(aPresContext, nsRect(0,0,mRect.width,mRect.height), PR_FALSE);
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nsIReflowCommand::ReflowType reflowType;
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aReflowState.reflowCommand->GetType(reflowType);
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if (nsIReflowCommand::StyleChanged == reflowType) {
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reflowState.reason = eReflowReason_StyleChange;
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}
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else {
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reflowState.reason = eReflowReason_Resize;
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}
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} else {
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nsIFrame* nextFrame;
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// Remove the next frame from the reflow path
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aReflowState.reflowCommand->GetNext(nextFrame);
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}
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}
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nsHTMLReflowMetrics childReflowMetrics(aDesiredSize);
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nsRect kidRect;
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firstKid->GetRect(kidRect);
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ReflowChild(firstKid, aPresContext, childReflowMetrics, reflowState, kidRect.x, kidRect.y, 0, aStatus);
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// Now do the reverse calculation of the
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// NavQuirks button to get the size of the text
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//nscoord textWidth = (2 * aDesiredSize.width) / 3;
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nscoord textHeight = (2 * aDesiredSize.height) / 3;
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// Center the child and add back in the border and badding
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// our inner area frame is already doing centering so we only need to center vertically.
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nsRect rect = nsRect(aReflowState.mComputedBorderPadding.left,
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((desiredSize.height - textHeight)/2) + aReflowState.mComputedBorderPadding.top,
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desiredSize.width,
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desiredSize.height);
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firstKid->SetRect(aPresContext, rect);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGfxButtonControlFrame::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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// The mFormFrame is set in the initial reflow within nsHTMLButtonControlFrame
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nsresult rv = NS_OK;
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if (!mFormFrame && (eReflowReason_Initial == aReflowState.reason)) {
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nsFormFrame::AddFormControlFrame(aPresContext, *NS_STATIC_CAST(nsIFrame*, this));
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}
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#if 0
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nsresult skiprv = nsFormControlFrame::SkipResizeReflow(mCacheSize, mCachedMaxElementSize, aPresContext,
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aDesiredSize, aReflowState, aStatus);
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if (NS_SUCCEEDED(skiprv)) {
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return skiprv;
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}
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#endif
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if ((kSuggestedNotSet != mSuggestedWidth) ||
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(kSuggestedNotSet != mSuggestedHeight)) {
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nsHTMLReflowState suggestedReflowState(aReflowState);
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// Honor the suggested width and/or height.
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if (kSuggestedNotSet != mSuggestedWidth) {
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suggestedReflowState.mComputedWidth = mSuggestedWidth;
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}
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if (kSuggestedNotSet != mSuggestedHeight) {
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suggestedReflowState.mComputedHeight = mSuggestedHeight;
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}
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rv = nsHTMLButtonControlFrame::Reflow(aPresContext, aDesiredSize, suggestedReflowState, aStatus);
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} else { // Normal reflow.
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nsCompatibility mode;
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aPresContext->GetCompatibilityMode(&mode);
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if (mode == eCompatibility_NavQuirks) {
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// nsHTMLButtonControlFrame::Reflow registers it for Standard Mode
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// and sets up mPresContext
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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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// Do NavQuirks Sizing and layout
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rv = DoNavQuirksReflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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} else {
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// Do Standard mode sizing and layout
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rv = nsHTMLButtonControlFrame::Reflow(aPresContext, aDesiredSize, aReflowState, aStatus);
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}
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}
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#ifdef DEBUG_rodsXXXX
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COMPARE_QUIRK_SIZE("nsGfxButtonControlFrame", 84, 24) // with the text "Press Me" in it
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#endif
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aStatus = NS_FRAME_COMPLETE;
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nsFormControlFrame::SetupCachedSizes(mCacheSize, mCachedMaxElementSize, aDesiredSize);
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return rv;
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}
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NS_IMETHODIMP
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nsGfxButtonControlFrame::SetSuggestedSize(nscoord aWidth, nscoord aHeight)
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{
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mSuggestedWidth = aWidth;
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mSuggestedHeight = aHeight;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsGfxButtonControlFrame::HandleEvent(nsIPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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// Override the HandleEvent to prevent the nsFrame::HandleEvent
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// from being called. The nsFrame::HandleEvent causes the button label
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// to be selected (Drawn with an XOR rectangle over the label)
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// if disabled do nothing
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if (mRenderer.isDisabled()) {
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return NS_OK;
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}
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// lets see if the button was clicked
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switch (aEvent->message) {
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case NS_MOUSE_LEFT_CLICK:
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MouseClicked(aPresContext);
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break;
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}
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return NS_OK;
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}
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