702 lines
22 KiB
C++
702 lines
22 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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* Pierre Phaneuf <pp@ludusdesign.com>
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* Adrian Havill <havill@redhat.com>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#define NS_IMPL_IDS
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#include "nsICharsetConverterManager.h"
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#include "nsICharsetAlias.h"
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#include "nsIPlatformCharset.h"
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#undef NS_IMPL_IDS
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#include "nsCOMPtr.h"
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#include "nsXPIDLString.h"
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#include "nsReadableUtils.h"
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#include "nsID.h"
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#include "nsFormFrame.h"
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#include "nsIFormControlFrame.h"
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#include "nsFormControlFrame.h"
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#include "nsFileControlFrame.h"
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#include "nsRadioControlGroup.h"
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#include "nsIForm.h"
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#include "nsIFormControl.h"
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#include "nsIAtom.h"
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#include "nsHTMLIIDs.h"
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#include "nsIRenderingContext.h"
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#include "nsIPresShell.h"
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#include "nsIPresContext.h"
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#include "nsIStyleContext.h"
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#include "nsCSSRendering.h"
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#include "nsHTMLIIDs.h"
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#include "nsDebug.h"
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#include "nsIWidget.h"
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#include "nsVoidArray.h"
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#include "nsHTMLAtoms.h"
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#include "nsCRT.h"
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#include "nsIURL.h"
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#include "nsIHTMLDocument.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIPrintContext.h"
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#include "nsIDocument.h"
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#include "nsILinkHandler.h"
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#include "nsGfxRadioControlFrame.h"
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#include "nsIDOMHTMLFormElement.h"
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#include "nsIDOMNSHTMLFormElement.h"
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#include "nsDOMError.h"
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#include "nsHTMLParts.h"
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#include "nsIReflowCommand.h"
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#include "nsICategoryManager.h"
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#include "nsIFormSubmitObserver.h"
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// Security
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#include "nsIScriptSecurityManager.h"
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#include "nsIDOMWindowInternal.h"
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PRBool nsFormFrame::gInitPasswordManager = PR_FALSE;
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static NS_DEFINE_CID(kCharsetConverterManagerCID, NS_ICHARSETCONVERTERMANAGER_CID);
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static NS_DEFINE_CID(kPlatformCharsetCID, NS_PLATFORMCHARSET_CID);
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//----------------------------------------------------------------------
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static NS_DEFINE_CID(kFormProcessorCID, NS_FORMPROCESSOR_CID);
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//ahmed 15-1
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#ifdef IBMBIDI
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#include "nsIUBidiUtils.h"
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static NS_DEFINE_CID(kUBidiUtilCID, NS_UNICHARBIDIUTIL_CID);
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#endif
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//end
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NS_IMETHODIMP
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nsFormFrame::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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if (aIID.Equals(NS_GET_IID(nsIFormManager))) {
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*aInstancePtr = (void*)(nsIFormManager*)this;
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return NS_OK;
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}
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return nsBlockFrame::QueryInterface(aIID, aInstancePtr);
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}
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nsrefcnt nsFormFrame::AddRef(void)
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{
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NS_ERROR("not supported");
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return 0;
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}
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nsrefcnt nsFormFrame::Release(void)
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{
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NS_ERROR("not supported");
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return 0;
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}
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nsFormFrame::nsFormFrame()
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: nsBlockFrame()
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{
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}
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nsFormFrame::~nsFormFrame()
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{
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RemoveRadioGroups();
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PRInt32 numControls = mFormControls.Count();
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PRInt32 i;
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// Traverse list from end to 0 -> void array remove method does less work
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for (i = (numControls-1); i>=0; i--) {
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nsIFormControlFrame* fcFrame = (nsIFormControlFrame*) mFormControls.ElementAt(i);
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fcFrame->SetFormFrame(nsnull);
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mFormControls.RemoveElement(fcFrame);
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}
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}
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void nsFormFrame::RemoveRadioGroups()
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{
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int numRadioGroups = mRadioGroups.Count();
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for (int i = 0; i < numRadioGroups; i++) {
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nsRadioControlGroup* radioGroup = (nsRadioControlGroup *) mRadioGroups.ElementAt(i);
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delete radioGroup;
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}
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mRadioGroups.Clear();
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}
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void nsFormFrame::AddFormControlFrame(nsIPresContext* aPresContext, nsIFrame& aFrame)
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{
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// Make sure we have a form control
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = aFrame.QueryInterface(NS_GET_IID(nsIFormControlFrame), (void**)&fcFrame);
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if ((NS_OK != result) || (nsnull == fcFrame)) {
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return;
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}
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// Get this control's form frame and add this control to it
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nsCOMPtr<nsIContent> iContent;
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result = aFrame.GetContent(getter_AddRefs(iContent));
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if (NS_SUCCEEDED(result) && iContent) {
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nsCOMPtr<nsIFormControl> formControl;
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result = iContent->QueryInterface(NS_GET_IID(nsIFormControl), getter_AddRefs(formControl));
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if (NS_SUCCEEDED(result) && formControl) {
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nsCOMPtr<nsIDOMHTMLFormElement> formElem;
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result = formControl->GetForm(getter_AddRefs(formElem));
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if (NS_SUCCEEDED(result) && formElem) {
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nsCOMPtr<nsIPresShell> presShell;
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result = aPresContext->GetShell(getter_AddRefs(presShell));
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if (NS_SUCCEEDED(result) && presShell) {
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nsIContent* formContent;
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result = formElem->QueryInterface(NS_GET_IID(nsIContent), (void**)&formContent);
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if (NS_SUCCEEDED(result) && formContent) {
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nsFormFrame* formFrame = nsnull;
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result = presShell->GetPrimaryFrameFor(formContent, (nsIFrame**)&formFrame);
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if (NS_SUCCEEDED(result) && formFrame) {
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fcFrame->SetFormFrame(formFrame);
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formFrame->AddFormControlFrame(aPresContext, *fcFrame);
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}
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NS_RELEASE(formContent);
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}
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}
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}
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}
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}
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}
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void nsFormFrame::RemoveFormControlFrame(nsIFormControlFrame& aFrame)
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{
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// Remove form control from array
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mFormControls.RemoveElement(&aFrame);
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}
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NS_IMETHODIMP
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nsFormFrame::RemoveFrame(nsIPresContext* aPresContext,
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nsIPresShell& aPresShell,
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nsIAtom* aListName,
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nsIFrame* aOldFrame)
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{
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = aOldFrame->QueryInterface(NS_GET_IID(nsIFormControlFrame), (void**)&fcFrame);
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if ((NS_OK == result) || (nsnull != fcFrame)) {
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PRInt32 type;
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fcFrame->GetType(&type);
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if (NS_FORM_INPUT_RADIO == type) {
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nsRadioControlGroup * group;
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nsAutoString name;
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nsresult rv = GetRadioInfo(fcFrame, name, group);
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if (NS_SUCCEEDED(rv) && nsnull != group) {
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DoDefaultSelection(aPresContext, group, (nsGfxRadioControlFrame*)fcFrame);
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}
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}
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}
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return nsBlockFrame::RemoveFrame(aPresContext, aPresShell, aListName, aOldFrame);
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}
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nsresult nsFormFrame::GetRadioInfo(nsIFormControlFrame* aFrame,
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nsString& aName,
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nsRadioControlGroup *& aGroup)
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{
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aGroup = nsnull;
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aName.SetLength(0);
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aFrame->GetName(&aName);
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PRBool hasName = aName.Length() > 0;
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// radio group processing
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if (hasName) {
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int numGroups = mRadioGroups.Count();
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nsRadioControlGroup* group;
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for (int j = 0; j < numGroups; j++) {
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group = (nsRadioControlGroup *) mRadioGroups.ElementAt(j);
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nsString groupName;
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group->GetName(groupName);
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if (groupName.Equals(aName)) {
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aGroup = group;
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return NS_OK;
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}
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}
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}
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return NS_ERROR_FAILURE;
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}
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void nsFormFrame::DoDefaultSelection(nsIPresContext* aPresContext,
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nsRadioControlGroup * aGroup,
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nsGfxRadioControlFrame * aRadioToIgnore)
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{
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#if 0
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// We do not want to do the default selection when printing
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// The code below ends up calling into the content, which then sets
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// the state on the "primary" frame the frame being displayed
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// this causes it to be "reset" to the default selection,
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// then when we go to get the current state of the UI it has been reset back
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// and then the printed state has the wrong value also
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nsCOMPtr<nsIPrintContext> printContext = do_QueryInterface(aPresContext);
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if (printContext) {
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return;
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}
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// If in standard mode, then a radio group MUST default
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// to the first item in the group (it must be selected)
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nsCompatibility mode;
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nsFormControlHelper::GetFormCompatibilityMode(aPresContext, mode);
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if (eCompatibility_Standard == mode) {
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// first find out if any have a default selection
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PRInt32 i;
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PRInt32 numItems = aGroup->GetNumRadios();
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PRBool oneIsDefSelected = PR_FALSE;
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for (i=0;i<numItems;i++) {
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nsGfxRadioControlFrame * radioBtn = (nsGfxRadioControlFrame*) aGroup->GetRadioAt(i);
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nsCOMPtr<nsIContent> content;
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radioBtn->GetContent(getter_AddRefs(content));
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if (content) {
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nsCOMPtr<nsIDOMHTMLInputElement> input(do_QueryInterface(content));
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if (input) {
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PRBool initiallyChecked = PR_FALSE;
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if (radioBtn->IsRestored()) {
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initiallyChecked = radioBtn->GetRestoredChecked();
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} else {
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initiallyChecked = radioBtn->GetDefaultChecked();
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}
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PRBool currentValue = radioBtn->GetChecked();
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if (currentValue != initiallyChecked ) {
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input->SetChecked(initiallyChecked);
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//radioBtn->SetChecked(aPresContext, initSelected, PR_FALSE);
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}
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if (initiallyChecked) {
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oneIsDefSelected = PR_TRUE;
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}
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}
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}
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}
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// if there isn't a default selcted radio then
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// select the firdst one in the group.
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// if aRadioToIgnore is not null then it is being deleted
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// so don't select that item, select the next one if there is one.
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if (!oneIsDefSelected && numItems > 0) {
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nsGfxRadioControlFrame * radioBtn = (nsGfxRadioControlFrame*) aGroup->GetRadioAt(0);
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if (aRadioToIgnore != nsnull && aRadioToIgnore == radioBtn) {
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if (numItems == 1) {
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return;
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}
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radioBtn = (nsGfxRadioControlFrame*) aGroup->GetRadioAt(1);
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}
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nsCOMPtr<nsIContent> content;
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radioBtn->GetContent(getter_AddRefs(content));
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if (content) {
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nsCOMPtr<nsIDOMHTMLInputElement> input(do_QueryInterface(content));
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if (input) {
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input->SetChecked(PR_TRUE);
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}
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}
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}
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}
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#endif
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}
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void nsFormFrame::AddFormControlFrame(nsIPresContext* aPresContext, nsIFormControlFrame& aFrame)
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{
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PRInt32 type;
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aFrame.GetType(&type);
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if (!gInitPasswordManager && type == NS_FORM_INPUT_PASSWORD) {
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// Initialize the password manager category
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gInitPasswordManager = PR_TRUE;
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NS_CreateServicesFromCategory(NS_PASSWORDMANAGER_CATEGORY,
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NS_STATIC_CAST(nsISupports*,NS_STATIC_CAST(void*,this)),
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NS_PASSWORDMANAGER_CATEGORY);
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}
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// Add this control to the list
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// Sort by content ID - this assures we submit in document order (bug 18728)
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PRInt32 i = mFormControls.Count();
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nsCOMPtr<nsIContent> newContent;
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nsIFrame* newFrame = nsnull;
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nsresult rv = aFrame.QueryInterface(NS_GET_IID(nsIFrame), (void **)&newFrame);
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if (NS_SUCCEEDED(rv) && newFrame) {
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rv = newFrame->GetContent(getter_AddRefs(newContent));
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if (NS_SUCCEEDED(rv) && newContent) {
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PRUint32 newID;
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newContent->GetContentID(&newID);
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for (; i>0; i--) {
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nsIFormControlFrame* thisControl = (nsIFormControlFrame*) mFormControls.ElementAt(i-1);
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if (thisControl) {
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nsCOMPtr<nsIContent> thisContent;
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nsIFrame* thisFrame = nsnull;
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rv = thisControl->QueryInterface(NS_GET_IID(nsIFrame), (void **)&thisFrame);
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if (NS_SUCCEEDED(rv) && thisFrame) {
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rv = thisFrame->GetContent(getter_AddRefs(thisContent));
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if (NS_SUCCEEDED(rv) && thisContent) {
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PRUint32 thisID;
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thisContent->GetContentID(&thisID);
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if (newID > thisID)
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break;
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}
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}
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}
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}
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}
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}
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mFormControls.InsertElementAt(&aFrame, i);
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// determine which radio buttons belong to which radio groups, unnamed radio
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// buttons don't go into any group since they can't be submitted. Determine
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// which controls are capable of form submission.
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if (NS_FORM_INPUT_RADIO == type) {
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nsGfxRadioControlFrame* radioFrame = (nsGfxRadioControlFrame*)&aFrame;
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// gets the name of the radio group and the group
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nsRadioControlGroup * group;
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nsAutoString name;
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rv = GetRadioInfo(&aFrame, name, group);
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if (NS_SUCCEEDED(rv) && nsnull != group) {
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group->AddRadio(radioFrame);
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} else {
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group = new nsRadioControlGroup(name);
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mRadioGroups.AppendElement(group);
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group->AddRadio(radioFrame);
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}
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// allow only one checked radio button
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PRBool initiallyChecked = PR_FALSE;
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if (radioFrame->IsRestored()) {
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initiallyChecked = radioFrame->GetRestoredChecked();
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} else {
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initiallyChecked = radioFrame->GetDefaultChecked();
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}
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if (initiallyChecked) {
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if (nsnull == group->GetCheckedRadio()) {
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group->SetCheckedRadio(radioFrame);
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} else {
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radioFrame->SetChecked(aPresContext, PR_FALSE, PR_FALSE);
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}
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}
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DoDefaultSelection(aPresContext, group);
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}
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}
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void nsFormFrame::RemoveRadioControlFrame(nsIFormControlFrame * aFrame)
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{
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PRInt32 type;
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aFrame->GetType(&type);
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// radio group processing
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if (NS_FORM_INPUT_RADIO == type) {
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nsGfxRadioControlFrame* radioFrame = (nsGfxRadioControlFrame*)aFrame;
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// gets the name of the radio group and the group
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nsRadioControlGroup * group;
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nsAutoString name;
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nsresult rv = GetRadioInfo(aFrame, name, group);
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if (NS_SUCCEEDED(rv) && nsnull != group) {
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group->RemoveRadio(radioFrame);
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}
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}
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}
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//--------------------------------------------------------
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// Return the content of the currently selected item in
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// the radio group of the incoming radiobutton.
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//--------------------------------------------------------
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nsresult
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nsFormFrame::GetRadioGroupSelectedContent(nsGfxRadioControlFrame* aControl,
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nsIContent ** aRadiobtn)
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{
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NS_ASSERTION(aControl, "nsGfxRadioControlFrame can't be null");
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// first get correct interface
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = aControl->QueryInterface(NS_GET_IID(nsIFormControlFrame), (void**)&fcFrame);
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if (NS_SUCCEEDED(result)) {
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// get the form frame for the radio btn
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nsFormFrame * formFrame = ((nsFormControlFrame *)aControl)->GetFormFrame();
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if (formFrame != nsnull) {
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// now get the radio group by name
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nsAutoString groupName;
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nsRadioControlGroup * group = nsnull;
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result = formFrame->GetRadioInfo(fcFrame, groupName, group);
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if (NS_SUCCEEDED(result) && nsnull != group) {
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// get the currently checked radio button
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nsGfxRadioControlFrame* currentCheckBtn = group->GetCheckedRadio();
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if (currentCheckBtn != nsnull) {
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currentCheckBtn->GetContent(aRadiobtn);
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}
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}
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}
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}
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return NS_OK;
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}
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//--------------------------------------------------------
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// returns NS_ERROR_FAILURE if the radiobtn doesn't have a group
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// returns NS_OK is it did have a radio group
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//--------------------------------------------------------
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nsresult
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nsFormFrame::OnRadioChecked(nsIPresContext* aPresContext,
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nsGfxRadioControlFrame& aControl,
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PRBool aNewCheckedVal)
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{
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// first get correct interface
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = aControl.QueryInterface(NS_GET_IID(nsIFormControlFrame), (void**)&fcFrame);
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if (NS_SUCCEEDED(result)) {
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// now get the radio group by name
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nsAutoString groupName;
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nsRadioControlGroup * group = nsnull;
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result = GetRadioInfo(fcFrame, groupName, group);
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if (NS_SUCCEEDED(result) && nsnull != group) {
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// get the currently checked radio button
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nsGfxRadioControlFrame* currentCheckBtn = group->GetCheckedRadio();
|
|
// is the new checked btn different than the current button?
|
|
if (&aControl != currentCheckBtn) {
|
|
// if the new button is being set to false
|
|
// then don't do anything
|
|
if (aNewCheckedVal) {
|
|
// the current btn could be null
|
|
if (currentCheckBtn != nsnull) {
|
|
currentCheckBtn->SetChecked(aPresContext, !aNewCheckedVal, PR_FALSE);
|
|
}
|
|
aControl.SetChecked(aPresContext, aNewCheckedVal, PR_FALSE);
|
|
group->SetCheckedRadio(&aControl);
|
|
}
|
|
} else {
|
|
// here we are setting the same radio button
|
|
// as the one that is currently checked
|
|
//
|
|
if (currentCheckBtn != nsnull) {
|
|
currentCheckBtn->SetChecked(aPresContext, aNewCheckedVal, PR_FALSE);
|
|
// So if we are setting the current btn to be 0 or off
|
|
// then we must set a default selction
|
|
if (!aNewCheckedVal) {
|
|
DoDefaultSelection(aPresContext, group, currentCheckBtn);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
nsresult
|
|
NS_NewFormFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame, PRUint32 aFlags)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsFormFrame* it = new (aPresShell) nsFormFrame;
|
|
if (!it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
it->SetFlags(aFlags);
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
#if 0
|
|
|
|
PRIVATE
|
|
void DebugPrint(char* aLabel, nsString aString)
|
|
{
|
|
char* out = ToNewCString(aString);
|
|
printf("\n %s=%s\n", aLabel, out);
|
|
delete [] out;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
// static helper functions for nsIFormControls
|
|
|
|
PRBool
|
|
nsFormFrame::GetDisabled(nsIFrame* aChildFrame, nsIContent* aContent)
|
|
{
|
|
PRBool result = PR_FALSE;
|
|
|
|
nsIContent* content = aContent;
|
|
if (nsnull == content) {
|
|
aChildFrame->GetContent(&content);
|
|
}
|
|
if (nsnull != content) {
|
|
nsIHTMLContent* htmlContent = nsnull;
|
|
content->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
|
if (nsnull != htmlContent) {
|
|
nsHTMLValue value;
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == htmlContent->GetHTMLAttribute(nsHTMLAtoms::disabled, value)) {
|
|
result = PR_TRUE;
|
|
}
|
|
NS_RELEASE(htmlContent);
|
|
}
|
|
if (nsnull == aContent) {
|
|
NS_RELEASE(content);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
PRBool
|
|
nsFormFrame::GetReadonly(nsIFrame* aChildFrame, nsIContent* aContent)
|
|
{
|
|
PRBool result = PR_FALSE;
|
|
|
|
nsIContent* content = aContent;
|
|
if (nsnull == content) {
|
|
aChildFrame->GetContent(&content);
|
|
}
|
|
if (nsnull != content) {
|
|
nsIHTMLContent* htmlContent = nsnull;
|
|
content->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
|
if (nsnull != htmlContent) {
|
|
nsHTMLValue value;
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == htmlContent->GetHTMLAttribute(nsHTMLAtoms::readonly, value)) {
|
|
result = PR_TRUE;
|
|
}
|
|
NS_RELEASE(htmlContent);
|
|
}
|
|
if (nsnull == aContent) {
|
|
NS_RELEASE(content);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsFormFrame::GetName(nsIFrame* aChildFrame,
|
|
nsAString& aName,
|
|
nsIContent* aContent)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
|
|
nsIContent* content = aContent;
|
|
if (nsnull == content) {
|
|
aChildFrame->GetContent(&content);
|
|
}
|
|
if (nsnull != content) {
|
|
nsIHTMLContent* htmlContent = nsnull;
|
|
result = content->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
|
if (NS_SUCCEEDED(result) && (nsnull != htmlContent)) {
|
|
nsHTMLValue value;
|
|
result = htmlContent->GetHTMLAttribute(nsHTMLAtoms::name, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(aName);
|
|
}
|
|
}
|
|
NS_RELEASE(htmlContent);
|
|
}
|
|
if (nsnull == aContent) {
|
|
NS_RELEASE(content);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsresult
|
|
nsFormFrame::GetValue(nsIFrame* aChildFrame,
|
|
nsAString& aValue,
|
|
nsIContent* aContent)
|
|
{
|
|
nsresult result = NS_FORM_NOTOK;
|
|
|
|
nsIContent* content = aContent;
|
|
if (nsnull == content) {
|
|
aChildFrame->GetContent(&content);
|
|
}
|
|
if (nsnull != content) {
|
|
nsIHTMLContent* htmlContent = nsnull;
|
|
result = content->QueryInterface(kIHTMLContentIID, (void**)&htmlContent);
|
|
if (NS_SUCCEEDED(result) && (nsnull != htmlContent)) {
|
|
nsHTMLValue value;
|
|
result = htmlContent->GetHTMLAttribute(nsHTMLAtoms::value, value);
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == result) {
|
|
if (eHTMLUnit_String == value.GetUnit()) {
|
|
value.GetStringValue(aValue);
|
|
}
|
|
}
|
|
NS_RELEASE(htmlContent);
|
|
}
|
|
if (nsnull == aContent) {
|
|
NS_RELEASE(content);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
void
|
|
nsFormFrame::StyleChangeReflow(nsIPresContext* aPresContext,
|
|
nsIFrame* aFrame)
|
|
{
|
|
nsCOMPtr<nsIPresShell> shell;
|
|
aPresContext->GetShell(getter_AddRefs(shell));
|
|
|
|
nsIReflowCommand* reflowCmd;
|
|
nsresult rv = NS_NewHTMLReflowCommand(&reflowCmd, aFrame,
|
|
nsIReflowCommand::StyleChanged);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
shell->AppendReflowCommand(reflowCmd);
|
|
NS_RELEASE(reflowCmd);
|
|
}
|
|
}
|
|
|
|
// Bug 99920 - Finds the first submit button and how many text inputs there
|
|
// if there is only one text input or password then submission can take place
|
|
// or it can take place if it finds at least one submit button
|
|
nsIFrame*
|
|
nsFormFrame::GetFirstSubmitButtonAndTxtCnt(PRInt32& aInputTxtCnt)
|
|
{
|
|
nsIFrame* submitFrame = nsnull;
|
|
aInputTxtCnt = 0;
|
|
|
|
PRInt32 numControls = mFormControls.Count();
|
|
for (int i = 0; i < numControls; i++) {
|
|
nsIFormControlFrame* fcFrame = (nsIFormControlFrame*) mFormControls.ElementAt(i);
|
|
PRInt32 type;
|
|
fcFrame->GetType(&type);
|
|
if ((type == NS_FORM_INPUT_SUBMIT || type == NS_FORM_BUTTON_SUBMIT || type == NS_FORM_INPUT_IMAGE) &&
|
|
submitFrame == nsnull) {
|
|
CallQueryInterface(fcFrame, &submitFrame);
|
|
NS_ASSERTION(submitFrame, "This has to be a frame!");
|
|
} else if (type == NS_FORM_INPUT_TEXT || type == NS_FORM_INPUT_PASSWORD) {
|
|
aInputTxtCnt++;
|
|
}
|
|
}
|
|
return submitFrame;
|
|
}
|
|
|