mirror of
https://github.com/mozilla/gecko-dev.git
synced 2025-11-12 06:08:24 +02:00
204a6670eb
2) Fixed ProgressMeter to update correctly when attributes change 3) Fixed sample8.html so that it does not over ride the borders of the HTML4 button this messed up the active, hover, and disabled states.
476 lines
14 KiB
C++
476 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 License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "nsFileControlFrame.h"
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#include "nsFormFrame.h"
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#include "nsButtonControlFrame.h"
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#include "nsTextControlFrame.h"
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#include "nsIContent.h"
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#include "prtypes.h"
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#include "nsIAtom.h"
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#include "nsIPresContext.h"
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#include "nsIHTMLContent.h"
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#include "nsHTMLIIDs.h"
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#include "nsHTMLAtoms.h"
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#include "nsIFileWidget.h"
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#include "nsITextWidget.h"
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#include "nsWidgetsCID.h"
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#include "nsRepository.h"
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#include "nsIView.h"
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#include "nsHTMLParts.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIFormControl.h"
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#include "nsINameSpaceManager.h"
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#include "nsCOMPtr.h"
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// XXX make this pixels
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#define CONTROL_SPACING 40
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static NS_DEFINE_IID(kCFileWidgetCID, NS_FILEWIDGET_CID);
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static NS_DEFINE_IID(kIFileWidgetIID, NS_IFILEWIDGET_IID);
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static NS_DEFINE_IID(kITextWidgetIID, NS_ITEXTWIDGET_IID);
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static NS_DEFINE_IID(kIFormControlFrameIID, NS_IFORMCONTROLFRAME_IID);
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static NS_DEFINE_IID(kIDOMHTMLInputElementIID, NS_IDOMHTMLINPUTELEMENT_IID);
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nsresult
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NS_NewFileControlFrame(nsIFrame*& aResult)
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{
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aResult = new nsFileControlFrame;
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if (nsnull == aResult) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return NS_OK;
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}
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nsFileControlFrame::nsFileControlFrame()
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: nsHTMLContainerFrame()
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{
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mTextFrame = nsnull;
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mBrowseFrame = nsnull;
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mFormFrame = nsnull;
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}
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nsresult
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nsFileControlFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(kIFormControlFrameIID)) {
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*aInstancePtr = (void*) ((nsIFormControlFrame*) this);
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return NS_OK;
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}
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return nsHTMLContainerFrame::QueryInterface(aIID, aInstancePtr);
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}
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PRBool
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nsFileControlFrame::IsSuccessful(nsIFormControlFrame* aSubmitter)
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{
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nsAutoString name;
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return (NS_CONTENT_ATTR_HAS_VALUE == GetName(&name));
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}
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void
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nsFileControlFrame::Reset()
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{
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if (mTextFrame) {
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mTextFrame->Reset();
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}
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetType(PRInt32* aType) const
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{
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*aType = NS_FORM_INPUT_FILE;
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return NS_OK;
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}
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// XXX this should be removed when nsView exposes it
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nsIWidget* GetWindowTemp(nsIView *aView);
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nsIWidget*
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nsFileControlFrame::GetWindowTemp(nsIView *aView)
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{
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nsIWidget *window = nsnull;
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nsIView *ancestor = aView;
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while (nsnull != ancestor) {
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ancestor->GetWidget(window);
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if (nsnull != window) {
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return window;
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}
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ancestor->GetParent(ancestor);
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}
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return nsnull;
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}
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void
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nsFileControlFrame::SetFocus(PRBool aOn, PRBool aRepaint)
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{
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if (mTextFrame) {
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mTextFrame->SetFocus(aOn, aRepaint);
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}
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}
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// this is in response to the MouseClick from the containing browse button
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// XXX still need to get filters from accept attribute
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void nsFileControlFrame::MouseClicked(nsIPresContext* aPresContext)
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{
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nsIView* textView;
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mTextFrame->GetView(&textView);
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if (nsnull == textView) {
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return;
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}
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nsIWidget* widget;
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mTextFrame->GetWidget(&widget);
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if (!widget) {
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return;
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}
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nsITextWidget* textWidget;
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nsresult result = widget->QueryInterface(kITextWidgetIID, (void**)&textWidget);
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if (NS_OK != result) {
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NS_RELEASE(widget);
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return;
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}
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nsIView* parentView;
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textView->GetParent(parentView);
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nsIWidget* parentWidget = GetWindowTemp(parentView);
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nsIFileWidget *fileWidget;
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nsString title("FileWidget Title <here> mode = save");
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nsRepository::CreateInstance(kCFileWidgetCID, nsnull, kIFileWidgetIID, (void**)&fileWidget);
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nsString titles[] = {"all files"};
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nsString filters[] = {"*.*"};
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fileWidget->SetFilterList(1, titles, filters);
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fileWidget->Create(parentWidget, title, eMode_load, nsnull, nsnull);
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result = fileWidget->Show();
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if (result) {
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PRUint32 size;
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nsString fileName;
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fileWidget->GetFile(fileName);
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textWidget->SetText(fileName,size);
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}
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NS_RELEASE(fileWidget);
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NS_RELEASE(parentWidget);
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NS_RELEASE(textWidget);
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NS_RELEASE(widget);
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}
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NS_IMETHODIMP nsFileControlFrame::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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PRInt32 numChildren = mFrames.GetLength();
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nsIFrame* childFrame;
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if (0 == numChildren) {
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// XXX This code should move to Init(), someday when the frame construction
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// changes are all done and Init() is always getting called...
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PRBool disabled = nsFormFrame::GetDisabled(this);
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nsIHTMLContent* text = nsnull;
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nsIAtom* tag = NS_NewAtom("text");
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NS_NewHTMLInputElement(&text, tag);
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text->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, nsAutoString("text"), PR_FALSE);
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if (disabled) {
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text->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::disabled, nsAutoString("1"), PR_FALSE); // XXX this should use an "empty" bool value
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}
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NS_NewTextControlFrame(childFrame);
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//XXX: This style should be cached, rather than resolved each time.
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// Get pseudo style for the text field
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nsCOMPtr<nsIStyleContext> textFieldStyleContext;
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nsresult rv = aPresContext.ResolvePseudoStyleContextFor(mContent, nsHTMLAtoms::fileTextStylePseudo,
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mStyleContext, PR_FALSE,
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getter_AddRefs(textFieldStyleContext));
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if (NS_SUCCEEDED(rv)) {
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// Found the pseudo style for the text field
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childFrame->Init(aPresContext, text, this, textFieldStyleContext, nsnull);
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} else {
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// Can't find pseduo style so use the style set for the file updload element
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childFrame->Init(aPresContext, mContent, this, mStyleContext, nsnull);
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}
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mTextFrame = (nsTextControlFrame*)childFrame;
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mFrames.SetFrames(childFrame);
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nsIHTMLContent* browse = nsnull;
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tag = NS_NewAtom("browse");
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NS_NewHTMLInputElement(&browse, tag);
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browse->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::type, nsAutoString("browse"), PR_FALSE);
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if (disabled) {
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browse->SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::disabled, nsAutoString("1"), PR_FALSE); // XXX should be "empty"
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}
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NS_NewButtonControlFrame(childFrame);
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((nsButtonControlFrame*)childFrame)->SetMouseListener((nsIFormControlFrame*)this);
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mBrowseFrame = (nsButtonControlFrame*)childFrame;
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//XXX: This style should be cached, rather than resolved each time.
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// Get pseudo style for the button
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nsCOMPtr<nsIStyleContext> buttonStyleContext;
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rv = aPresContext.ResolvePseudoStyleContextFor(mContent, nsHTMLAtoms::fileButtonStylePseudo,
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mStyleContext, PR_FALSE,
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getter_AddRefs(buttonStyleContext));
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if (NS_SUCCEEDED(rv)) {
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// Found pseduo style for the button
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childFrame->Init(aPresContext, browse, this, buttonStyleContext, nsnull);
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} else {
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// Can't find pseudo style for the button so use the style set for the file upload element
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childFrame->Init(aPresContext, mContent, this, mStyleContext, nsnull);
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}
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mFrames.FirstChild()->SetNextSibling(childFrame);
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NS_RELEASE(text);
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NS_RELEASE(browse);
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}
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nsSize maxSize(aReflowState.availableWidth, aReflowState.availableHeight);
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nsHTMLReflowMetrics desiredSize = aDesiredSize;
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aDesiredSize.width = CONTROL_SPACING;
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aDesiredSize.height = 0;
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childFrame = mFrames.FirstChild();
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nsPoint offset(0,0);
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while (nsnull != childFrame) { // reflow, place, size the children
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nsHTMLReflowState reflowState(aPresContext, aReflowState, childFrame,
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maxSize);
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nsIHTMLReflow* htmlReflow;
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if (NS_OK == childFrame->QueryInterface(kIHTMLReflowIID, (void**)&htmlReflow)) {
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htmlReflow->WillReflow(aPresContext);
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htmlReflow->Reflow(aPresContext, desiredSize, reflowState, aStatus);
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NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
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nsRect rect(offset.x, offset.y, desiredSize.width, desiredSize.height);
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childFrame->SetRect(rect);
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maxSize.width -= desiredSize.width;
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aDesiredSize.width += desiredSize.width;
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aDesiredSize.height = desiredSize.height;
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childFrame->GetNextSibling(&childFrame);
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offset.x += desiredSize.width + CONTROL_SPACING;
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}
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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if (nsnull != aDesiredSize.maxElementSize) {
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//XXX aDesiredSize.AddBorderPaddingToMaxElementSize(borderPadding);
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aDesiredSize.maxElementSize->width = aDesiredSize.width;
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aDesiredSize.maxElementSize->height = aDesiredSize.height;
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}
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aStatus = NS_FRAME_COMPLETE;
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return NS_OK;
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}
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PRIntn
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nsFileControlFrame::GetSkipSides() const
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{
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return 0;
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetName(nsString* aResult)
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{
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nsresult result = NS_FORM_NOTOK;
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if (mContent) {
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nsIHTMLContent* formControl = nsnull;
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result = mContent->QueryInterface(kIHTMLContentIID, (void**)&formControl);
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if ((NS_OK == result) && formControl) {
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nsHTMLValue value;
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result = formControl->GetHTMLAttribute(nsHTMLAtoms::name, value);
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if (NS_CONTENT_ATTR_HAS_VALUE == result) {
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if (eHTMLUnit_String == value.GetUnit()) {
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value.GetStringValue(*aResult);
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}
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}
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NS_RELEASE(formControl);
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}
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}
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return result;
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}
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PRInt32
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nsFileControlFrame::GetMaxNumValues()
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{
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return 1;
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}
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PRBool
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nsFileControlFrame::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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// use our name and the text widgets value
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aNames[0] = name;
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nsresult status = PR_FALSE;
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nsIWidget* widget;
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nsITextWidget* textWidget;
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mTextFrame->GetWidget(&widget);
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if (widget && (NS_OK == widget->QueryInterface(kITextWidgetIID, (void**)&textWidget))) {
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PRUint32 actualSize;
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textWidget->GetText(aValues[0], 0, actualSize);
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aNumValues = 1;
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NS_RELEASE(textWidget);
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status = PR_TRUE;
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}
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NS_IF_RELEASE(widget);
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return status;
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("FileControl", aResult);
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFormContent(nsIContent*& aContent) const
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{
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nsIContent* content;
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nsresult rv;
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rv = GetContent(&content);
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aContent = content;
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return rv;
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}
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NS_IMETHODIMP
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nsFileControlFrame::GetFont(nsIPresContext* aPresContext,
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nsFont& aFont)
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{
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nsFormControlHelper::GetFont(this, aPresContext, mStyleContext, aFont);
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return NS_OK;
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}
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nscoord
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nsFileControlFrame::GetVerticalInsidePadding(float aPixToTwip,
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nscoord aInnerHeight) const
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{
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return 0;
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}
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nscoord
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nsFileControlFrame::GetHorizontalInsidePadding(nsIPresContext& aPresContext,
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float aPixToTwip,
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nscoord aInnerWidth,
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nscoord aCharWidth) const
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{
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return 0;
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}
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nsresult nsFileControlFrame::RequiresWidget(PRBool& aRequiresWidget)
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{
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aRequiresWidget = PR_FALSE;
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return NS_OK;
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}
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NS_IMETHODIMP nsFileControlFrame::SetProperty(nsIAtom* aName, const nsString& aValue)
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{
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if (nsHTMLAtoms::value == aName) {
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mTextFrame->SetTextControlFrameState(aValue);
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}
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return NS_OK;
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}
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NS_IMETHODIMP nsFileControlFrame::GetProperty(nsIAtom* aName, nsString& aValue)
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{
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// Return the value of the property from the widget it is not null.
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// If widget is null, assume the widget is GFX-rendered and return a member variable instead.
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if (nsHTMLAtoms::value == aName) {
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mTextFrame->GetTextControlFrameState(aValue);
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}
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return NS_OK;
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}
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PRBool
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nsFileControlFrame::HasWidget()
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{
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PRBool hasWidget = PR_FALSE;
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nsIWidget* widget;
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mTextFrame->GetWidget(&widget);
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if (widget) {
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NS_RELEASE(widget);
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hasWidget = PR_TRUE;
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}
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return(hasWidget);
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}
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NS_METHOD
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nsFileControlFrame::Paint(nsIPresContext& aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)
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{
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#ifndef XP_MAC
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// XXX: This is temporary until we can find out whats going wrong on the MAC
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// where widget's are not being created in presentation shell 0.
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// Since the file control has a mTextFrame which does not live in
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// the content model it is necessary to get the current text value
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// from the nsFileControlFrame through the content model, then
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// explicitly ask the test frame to draw it. The mTextFrame's Paint
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// method will still be called, but it will not render the current
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// contents because it will not be possible for the content
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// associated with the mTextFrame to get a handle to it frame in the
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// presentation shell 0.
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// Only paint if it doesn't have a widget.
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if (HasWidget())
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return NS_OK;
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nsAutoString browse("Browse...");
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nsRect rect;
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mBrowseFrame->GetRect(rect);
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mBrowseFrame->PaintButton(aPresContext, aRenderingContext, aDirtyRect,
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browse, rect);
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mTextFrame->PaintTextControlBackground(aPresContext, aRenderingContext, aDirtyRect, aWhichLayer);
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if (eFramePaintLayer_Content == aWhichLayer) {
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nsString text;
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if (NS_SUCCEEDED(nsFormControlHelper::GetInputElementValue(mContent, &text, PR_FALSE))) {
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nsRect rect;
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mTextFrame->GetRect(rect);
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mTextFrame->PaintTextControl(aPresContext, aRenderingContext, aDirtyRect, text, mStyleContext, rect);
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}
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}
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#endif
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return NS_OK;
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}
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