737 lines
24 KiB
C++
737 lines
24 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 Communicator client code.
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*
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* The Initial Developer of the Original Code is Netscape Communications
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* 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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* Pierre Phaneuf <pp@ludusdesign.com>
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*/
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#include "nsIDOMHTMLOptionElement.h"
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#include "nsIDOMHTMLOptGroupElement.h"
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#include "nsIDOMNSHTMLOptionCollection.h"
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#include "nsIDOMHTMLFormElement.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIHTMLContent.h"
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#include "nsGenericHTMLElement.h"
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#include "nsHTMLAtoms.h"
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#include "nsHTMLIIDs.h"
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#include "nsIStyleContext.h"
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#include "nsIMutableStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIPresContext.h"
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#include "nsIFormControl.h"
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#include "nsIForm.h"
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#include "nsIDOMText.h"
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#include "nsITextContent.h"
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#include "nsIDOMNode.h"
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#include "nsGenericElement.h"
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#include "nsIDOMHTMLCollection.h"
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#include "nsIJSNativeInitializer.h"
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#include "nsISelectElement.h"
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#include "nsISelectControlFrame.h"
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#include "nsIComboboxControlFrame.h"
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// Notify/query select frame for selected state
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#include "nsIFormControlFrame.h"
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#include "nsIDocument.h"
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#include "nsIPresShell.h"
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#include "nsIFrame.h"
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#include "nsIDOMHTMLSelectElement.h"
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#include "nsNodeInfoManager.h"
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#include "nsCOMPtr.h"
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class nsHTMLOptionElement : public nsIDOMHTMLOptionElement,
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public nsIJSScriptObject,
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public nsIHTMLContent,
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public nsIJSNativeInitializer
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//public nsIFormControl
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{
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public:
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nsHTMLOptionElement(nsINodeInfo *aNodeInfo);
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virtual ~nsHTMLOptionElement();
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// nsISupports
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NS_DECL_ISUPPORTS
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// nsIDOMNode
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NS_IMPL_IDOMNODE_USING_GENERIC(mInner)
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// nsIDOMElement
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NS_IMPL_IDOMELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLElement
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NS_IMPL_IDOMHTMLELEMENT_USING_GENERIC(mInner)
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// nsIDOMHTMLOptionElement
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NS_DECL_IDOMHTMLOPTIONELEMENT
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// nsIJSScriptObject
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NS_IMPL_IJSSCRIPTOBJECT_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_NO_SETPARENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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// nsIJSNativeInitializer
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NS_IMETHOD Initialize(JSContext* aContext, JSObject *aObj,
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PRUint32 argc, jsval *argv);
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protected:
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nsGenericHTMLContainerElement mInner;
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// Get the primary frame associated with this content
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nsresult GetPrimaryFrame(nsIFormControlFrame *&aFormControlFrame, PRBool aFlushNotifications = PR_TRUE);
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// Get the select content element that contains this option
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nsresult GetSelect(nsIDOMHTMLSelectElement *&aSelectElement);
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};
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nsresult
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NS_NewHTMLOptionElement(nsIHTMLContent** aInstancePtrResult,
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nsINodeInfo *aNodeInfo)
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{
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NS_ENSURE_ARG_POINTER(aInstancePtrResult);
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/*
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* nsHTMLOptionElement's will be created without a nsINodeInfo passed in
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* if someone creates new option elements in JavaScript, in a case like
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* that we request the nsINodeInfo from the anonymous nodeinfo list.
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*/
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nsCOMPtr<nsINodeInfo> nodeInfo(aNodeInfo);
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if (!nodeInfo) {
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nsCOMPtr<nsINodeInfoManager> nodeInfoManager;
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nsresult rv;
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rv = nsNodeInfoManager::GetAnonymousManager(*getter_AddRefs(nodeInfoManager));
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NS_ENSURE_SUCCESS(rv, rv);
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rv = nodeInfoManager->GetNodeInfo(nsHTMLAtoms::option, nsnull,
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kNameSpaceID_None,
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*getter_AddRefs(nodeInfo));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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nsIHTMLContent* it = new nsHTMLOptionElement(nodeInfo);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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return it->QueryInterface(NS_GET_IID(nsIHTMLContent), (void**) aInstancePtrResult);
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}
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nsHTMLOptionElement::nsHTMLOptionElement(nsINodeInfo *aNodeInfo)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aNodeInfo);
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}
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nsHTMLOptionElement::~nsHTMLOptionElement()
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{
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}
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// ISupports
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NS_IMPL_ADDREF(nsHTMLOptionElement)
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NS_IMPL_RELEASE(nsHTMLOptionElement)
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nsresult
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nsHTMLOptionElement::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_HTML_CONTENT_QUERY_INTERFACE(aIID, aInstancePtr, this)
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if (aIID.Equals(NS_GET_IID(nsIDOMHTMLOptionElement))) {
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*aInstancePtr = (void*)(nsIDOMHTMLOptionElement*) this;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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if (aIID.Equals(NS_GET_IID(nsIJSNativeInitializer))) {
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nsIJSNativeInitializer* tmp = this;
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*aInstancePtr = (void*) tmp;
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NS_ADDREF_THIS();
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return NS_OK;
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}
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return NS_NOINTERFACE;
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}
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// the option has a ref to the form, but not vice versa. The form can get to the
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// options via the select.
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NS_IMETHODIMP
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nsHTMLOptionElement::SetParent(nsIContent* aParent)
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{
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return mInner.SetParent(aParent);
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}
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nsresult
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nsHTMLOptionElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLOptionElement* it = new nsHTMLOptionElement(mInner.mNodeInfo);
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if (nsnull == it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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nsCOMPtr<nsIDOMNode> kungFuDeathGrip(it);
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mInner.CopyInnerTo(this, &it->mInner, aDeep);
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return it->QueryInterface(NS_GET_IID(nsIDOMNode), (void**) aReturn);
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::GetForm(nsIDOMHTMLFormElement** aForm)
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{
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nsIDOMHTMLSelectElement* selectElement = nsnull;
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nsresult res = GetSelect(selectElement);
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if (NS_OK == res) {
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nsIFormControl* selectControl = nsnull;
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res = selectElement->QueryInterface(NS_GET_IID(nsIFormControl), (void**)&selectControl);
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NS_RELEASE(selectElement);
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if (NS_OK == res) {
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res = selectControl->GetForm(aForm);
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NS_RELEASE(selectControl);
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}
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::GetSelected(PRBool* aValue)
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{
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NS_ENSURE_ARG_POINTER(aValue);
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*aValue = PR_FALSE;
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nsIFormControlFrame* formControlFrame = nsnull;
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nsresult rv = GetPrimaryFrame(formControlFrame);
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if (NS_SUCCEEDED(rv)) {
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PRInt32 indx;
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if (NS_OK == GetIndex(&indx)) {
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nsString value;
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value.AppendInt(indx, 10); // Save the index in base 10
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formControlFrame->GetProperty(nsHTMLAtoms::selected, value);
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*aValue = value.EqualsWithConversion("1");
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}
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} else {
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// Note: The select content obj maintains all the PresState
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// so defer to it to get the answer
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rv = NS_ERROR_FAILURE;
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nsCOMPtr<nsIDOMNode> parentNode;
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if (NS_SUCCEEDED(this->GetParentNode(getter_AddRefs(parentNode)))) {
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if (parentNode) {
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nsCOMPtr<nsISelectElement> selectElement(do_QueryInterface(parentNode));
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if (selectElement) {
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return selectElement->IsOptionSelected(this, aValue);
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}
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}
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}
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}
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return rv;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::SetSelected(PRBool aValue)
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{
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = GetPrimaryFrame(fcFrame, PR_FALSE);
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if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
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nsISelectControlFrame* selectFrame = nsnull;
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result = fcFrame->QueryInterface(NS_GET_IID(nsISelectControlFrame),(void **) &selectFrame);
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if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
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PRInt32 indx;
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result = GetIndex(&indx);
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if (NS_SUCCEEDED(result)) {
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return selectFrame->SetOptionSelected(indx, aValue);
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}
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}
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} else {
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// Note: The select content obj maintains all the PresState
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// so defer to it to get the answer
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nsCOMPtr<nsIDOMNode> parentNode;
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result = NS_ERROR_FAILURE;
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if (NS_SUCCEEDED(this->GetParentNode(getter_AddRefs(parentNode)))) {
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if (parentNode) {
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nsCOMPtr<nsISelectElement> selectElement(do_QueryInterface(parentNode));
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if (selectElement) {
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return selectElement->SetOptionSelected(this, aValue);
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}
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}
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}
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}
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return result;
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}
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//NS_IMPL_BOOL_ATTR(nsHTMLOptionElement, DefaultSelected, defaultselected)
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//NS_IMPL_INT_ATTR(nsHTMLOptionElement, Index, index)
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//NS_IMPL_STRING_ATTR(nsHTMLOptionElement, Label, label)
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NS_IMPL_STRING_ATTR(nsHTMLOptionElement, Value, value)
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#if 0
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NS_IMPL_BOOL_ATTR(nsHTMLOptionElement, Disabled, disabled)
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#else
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NS_IMETHODIMP
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nsHTMLOptionElement::GetDisabled(PRBool* aDisabled)
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{
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nsHTMLValue val;
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nsresult rv = mInner.GetHTMLAttribute(nsHTMLAtoms::disabled, val);
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*aDisabled = (NS_CONTENT_ATTR_NOT_THERE != rv);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::SetDisabled(PRBool aDisabled)
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{
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nsresult rv = NS_OK;
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nsHTMLValue empty(eHTMLUnit_Empty);
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if (aDisabled) {
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rv = mInner.SetHTMLAttribute(nsHTMLAtoms::disabled, empty, PR_TRUE);
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if (NS_SUCCEEDED(rv)) {
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nsIFormControlFrame* fcFrame = nsnull;
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nsresult result = GetPrimaryFrame(fcFrame);
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if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
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nsISelectControlFrame* selectFrame = nsnull;
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result = fcFrame->QueryInterface(NS_GET_IID(nsISelectControlFrame),(void **) &selectFrame);
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if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
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nsIContent * thisContent = nsnull;
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if (NS_OK == this->QueryInterface(NS_GET_IID(nsIContent), (void**)&thisContent)) {
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selectFrame->OptionDisabled(thisContent);
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}
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NS_RELEASE(thisContent);
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}
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}
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}
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return rv;
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} else {
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rv = mInner.UnsetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::selected, PR_TRUE);
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}
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return NS_OK;
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}
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#endif
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NS_IMETHODIMP
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nsHTMLOptionElement::GetLabel(nsAWritableString& aValue)
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{
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mInner.GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::label, aValue);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::SetLabel(const nsAReadableString& aValue)
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{
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nsresult result = mInner.SetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::label, aValue, PR_TRUE);
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if (NS_SUCCEEDED(result)) {
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nsIFormControlFrame* fcFrame = nsnull;
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result = GetPrimaryFrame(fcFrame);
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if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
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nsIComboboxControlFrame* selectFrame = nsnull;
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result = fcFrame->QueryInterface(NS_GET_IID(nsIComboboxControlFrame),(void **) &selectFrame);
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if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
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selectFrame->UpdateSelection(PR_FALSE, PR_TRUE, 0);
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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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NS_IMETHODIMP
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nsHTMLOptionElement::GetDefaultSelected(PRBool* aDefaultSelected)
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{
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nsHTMLValue val;
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nsresult rv = mInner.GetHTMLAttribute(nsHTMLAtoms::selected, val);
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*aDefaultSelected = (NS_CONTENT_ATTR_NOT_THERE != rv);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::SetDefaultSelected(PRBool aDefaultSelected)
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{
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nsresult rv = NS_OK;
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nsHTMLValue empty(eHTMLUnit_Empty);
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if (aDefaultSelected) {
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rv = mInner.SetHTMLAttribute(nsHTMLAtoms::selected, empty, PR_TRUE);
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} else {
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rv = mInner.UnsetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::selected, PR_TRUE);
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}
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if (NS_SUCCEEDED(rv)) {
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// When setting DefaultSelected, we must also reset Selected (DOM Errata)
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rv = SetSelected(aDefaultSelected);
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}
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return rv;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::GetIndex(PRInt32* aIndex)
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{
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nsresult res = NS_ERROR_FAILURE;
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*aIndex = -1; // -1 indicates the index was not found
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// Get our nsIDOMNode interface to compare apples to apples.
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nsIDOMNode* thisNode = nsnull;
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if (NS_OK == this->QueryInterface(NS_GET_IID(nsIDOMNode), (void**)&thisNode)) {
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// Get our containing select content object.
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nsIDOMHTMLSelectElement* selectElement = nsnull;
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if (NS_OK == GetSelect(selectElement)) {
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// Get the options from the select object.
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nsIDOMNSHTMLOptionCollection* options = nsnull;
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if (NS_OK == selectElement->GetOptions(&options)) {
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// Walk the options to find out where we are in the list (ick, O(n))
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PRUint32 length = 0;
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options->GetLength(&length);
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nsIDOMNode* thisOption = nsnull;
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for (PRUint32 i = 0; i < length; i++) {
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options->Item(i, &thisOption);
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if (thisNode == thisOption) {
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res = NS_OK;
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*aIndex = i;
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NS_IF_RELEASE(thisOption);
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break; // skips the release below, thus release above needed
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}
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NS_IF_RELEASE(thisOption);
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}
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NS_RELEASE(options);
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}
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NS_RELEASE(selectElement);
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}
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NS_RELEASE(thisNode);
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}
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return res;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::StringToAttribute(nsIAtom* aAttribute,
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const nsAReadableString& aValue,
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nsHTMLValue& aResult)
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{
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if (aAttribute == nsHTMLAtoms::selected) {
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aResult.SetEmptyValue();
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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else if (aAttribute == nsHTMLAtoms::disabled) {
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aResult.SetEmptyValue();
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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return NS_CONTENT_ATTR_NOT_THERE;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsAWritableString& aResult) const
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{
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return mInner.AttributeToString(aAttribute, aValue, aResult);
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}
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static void
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MapAttributesInto(const nsIHTMLMappedAttributes* aAttributes,
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nsIMutableStyleContext* aContext,
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nsIPresContext* aPresContext)
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{
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nsGenericHTMLElement::MapCommonAttributesInto(aAttributes, aContext, aPresContext);
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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if (aAttribute == nsHTMLAtoms::label) {
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aHint = NS_STYLE_HINT_REFLOW;
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} else if (aAttribute == nsHTMLAtoms::text) {
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aHint = NS_STYLE_HINT_REFLOW;
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} else if (! nsGenericHTMLElement::GetCommonMappedAttributesImpact(aAttribute, aHint)) {
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aHint = NS_STYLE_HINT_CONTENT;
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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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nsHTMLOptionElement::GetAttributeMappingFunctions(nsMapAttributesFunc& aFontMapFunc,
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nsMapAttributesFunc& aMapFunc) const
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{
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aFontMapFunc = nsnull;
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aMapFunc = &MapAttributesInto;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::HandleDOMEvent(nsIPresContext* aPresContext,
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nsEvent* aEvent,
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nsIDOMEvent** aDOMEvent,
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PRUint32 aFlags,
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nsEventStatus* aEventStatus)
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{
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return mInner.HandleDOMEvent(aPresContext, aEvent, aDOMEvent,
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aFlags, aEventStatus);
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}
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NS_IMETHODIMP
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nsHTMLOptionElement::GetText(nsAWritableString& aText)
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{
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aText.SetLength(0);
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PRInt32 numNodes;
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nsresult rv = mInner.ChildCount(numNodes);
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if (NS_FAILED(rv)) {
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return rv;
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}
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for (PRInt32 i = 0; i < numNodes; i++) {
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nsIContent* node = nsnull;
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rv = ChildAt(i, node);
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if (NS_SUCCEEDED(rv) && node) {
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nsCOMPtr<nsIDOMText> domText;
|
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rv = node->QueryInterface(NS_GET_IID(nsIDOMText), (void**)getter_AddRefs(domText));
|
|
if (NS_SUCCEEDED(rv) && domText) {
|
|
rv = domText->GetData(aText);
|
|
// the option could be all spaces, so compress the white space
|
|
// then make sure the length is greater than zero
|
|
if (aText.Length() > 0) {
|
|
nsAutoString compressText(aText);
|
|
compressText.CompressWhitespace(PR_TRUE, PR_TRUE);
|
|
if (compressText.Length() != 0) {
|
|
aText.Assign(compressText);
|
|
}
|
|
}
|
|
NS_RELEASE(node);
|
|
break;
|
|
}
|
|
NS_RELEASE(node);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLOptionElement::SetText(const nsAReadableString& aText)
|
|
{
|
|
PRInt32 numNodes;
|
|
PRBool usedExistingTextNode = PR_FALSE; // Do we need to create a text node?
|
|
nsresult result = mInner.ChildCount(numNodes);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
for (PRInt32 i = 0; i < numNodes; i++) {
|
|
nsIContent * node = nsnull;
|
|
result = ChildAt(i, node);
|
|
if (NS_SUCCEEDED(result) && node) {
|
|
nsCOMPtr<nsIDOMText> domText;
|
|
result = node->QueryInterface(NS_GET_IID(nsIDOMText), (void**)getter_AddRefs(domText));
|
|
if (NS_SUCCEEDED(result) && domText) {
|
|
result = domText->SetData(aText);
|
|
if (NS_SUCCEEDED(result)) {
|
|
usedExistingTextNode = PR_TRUE;
|
|
}
|
|
NS_RELEASE(node);
|
|
break;
|
|
}
|
|
NS_RELEASE(node);
|
|
}
|
|
}
|
|
|
|
if (!usedExistingTextNode) {
|
|
nsCOMPtr<nsIContent> text;
|
|
result = NS_NewTextNode(getter_AddRefs(text));
|
|
if (NS_OK == result) {
|
|
nsIDOMText* domtext;
|
|
result = text->QueryInterface(NS_GET_IID(nsIDOMText), (void**)&domtext);
|
|
if (NS_SUCCEEDED(result) && domtext) {
|
|
result = domtext->SetData(aText);
|
|
if (NS_SUCCEEDED(result)) {
|
|
result = AppendChildTo(text, PR_TRUE);
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsIDocument * doc;
|
|
result = GetDocument(doc);
|
|
if (NS_SUCCEEDED(result)) {
|
|
text->SetDocument(doc, PR_FALSE, PR_TRUE);
|
|
NS_IF_RELEASE(doc);
|
|
}
|
|
}
|
|
}
|
|
NS_RELEASE(domtext);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (NS_SUCCEEDED(result)) {
|
|
nsIFormControlFrame* fcFrame = nsnull;
|
|
result = GetPrimaryFrame(fcFrame);
|
|
if (NS_SUCCEEDED(result) && (nsnull != fcFrame)) {
|
|
nsIComboboxControlFrame* selectFrame = nsnull;
|
|
result = fcFrame->QueryInterface(NS_GET_IID(nsIComboboxControlFrame),(void **) &selectFrame);
|
|
if (NS_SUCCEEDED(result) && (nsnull != selectFrame)) {
|
|
selectFrame->UpdateSelection(PR_FALSE, PR_TRUE, 0);
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// Options don't have frames - get the select content node
|
|
// then call nsGenericHTMLElement::GetPrimaryFrame()
|
|
nsresult nsHTMLOptionElement::GetPrimaryFrame(nsIFormControlFrame *&aIFormControlFrame, PRBool aFlushNotifications)
|
|
{
|
|
nsIDOMHTMLSelectElement* selectElement = nsnull;
|
|
nsresult res = GetSelect(selectElement);
|
|
if (NS_OK == res) {
|
|
nsIHTMLContent* selectContent = nsnull;
|
|
nsresult gotContent = selectElement->QueryInterface(NS_GET_IID(nsIContent), (void**)&selectContent);
|
|
NS_RELEASE(selectElement);
|
|
|
|
if (NS_OK == gotContent) {
|
|
res = nsGenericHTMLElement::GetPrimaryFrame(selectContent, aIFormControlFrame, aFlushNotifications);
|
|
NS_RELEASE(selectContent);
|
|
}
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// Get the select content element that contains this option
|
|
nsresult nsHTMLOptionElement::GetSelect(nsIDOMHTMLSelectElement *&aSelectElement)
|
|
{
|
|
// Get the containing element (Either a select or an optGroup)
|
|
nsIDOMNode* parentNode = nsnull;
|
|
nsresult res = NS_ERROR_FAILURE;
|
|
if (NS_OK == this->GetParentNode(&parentNode)) {
|
|
aSelectElement = nsnull;
|
|
if (nsnull != parentNode) {
|
|
|
|
res = parentNode->QueryInterface(NS_GET_IID(nsIDOMHTMLSelectElement), (void**)&aSelectElement);
|
|
|
|
// If we are in an OptGroup we need to GetParentNode again (at least once)
|
|
if (NS_OK != res) {
|
|
nsIDOMHTMLOptGroupElement* optgroupElement = nsnull;
|
|
while (1) { // Be ready for nested OptGroups
|
|
if ((nsnull != parentNode) && (NS_OK == parentNode->QueryInterface(NS_GET_IID(nsIDOMHTMLOptGroupElement), (void**)&optgroupElement))) {
|
|
NS_RELEASE(optgroupElement); // Don't need the optgroup, just seeing if it IS one.
|
|
nsIDOMNode* grandParentNode = nsnull;
|
|
if (NS_OK == parentNode->GetParentNode(&grandParentNode)) {
|
|
NS_RELEASE(parentNode);
|
|
parentNode = grandParentNode;
|
|
} else {
|
|
break; // Break out if we can't get our parent (we're screwed)
|
|
}
|
|
} else {
|
|
break; // Break out if not a OptGroup (hopefully we have a select)
|
|
}
|
|
}
|
|
res = parentNode->QueryInterface(NS_GET_IID(nsIDOMHTMLSelectElement), (void**)&aSelectElement);
|
|
}
|
|
|
|
// We have a select if we're gonna get one, so let go of the generic node
|
|
NS_RELEASE(parentNode);
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLOptionElement::Initialize(JSContext* aContext,
|
|
JSObject *aObj,
|
|
PRUint32 argc,
|
|
jsval *argv)
|
|
{
|
|
nsresult result = NS_OK;
|
|
|
|
if (argc > 0) {
|
|
// The first (optional) parameter is the text of the option
|
|
JSString* jsstr = JS_ValueToString(aContext, argv[0]);
|
|
if (nsnull != jsstr) {
|
|
// Create a new text node and append it to the option
|
|
nsCOMPtr<nsIContent> textNode;
|
|
nsITextContent* content;
|
|
|
|
result = NS_NewTextNode(getter_AddRefs(textNode));
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
result = textNode->QueryInterface(NS_GET_IID(nsITextContent), (void**)&content);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
result = content->SetText(NS_REINTERPRET_CAST(const PRUnichar*, JS_GetStringChars(jsstr)),
|
|
JS_GetStringLength(jsstr),
|
|
PR_FALSE);
|
|
NS_RELEASE(content);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
|
|
// this addrefs textNode:
|
|
result = mInner.AppendChildTo(textNode, PR_FALSE);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if (argc > 1) {
|
|
// The second (optional) parameter is the value of the option
|
|
jsstr = JS_ValueToString(aContext, argv[1]);
|
|
if (nsnull != jsstr) {
|
|
// Set the value attribute for this element
|
|
nsAutoString value(NS_REINTERPRET_CAST(const PRUnichar*, JS_GetStringChars(jsstr)));
|
|
|
|
result = mInner.SetAttribute(kNameSpaceID_HTML,
|
|
nsHTMLAtoms::value,
|
|
value,
|
|
PR_FALSE);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if (argc > 2) {
|
|
// The third (optional) parameter is the defaultSelected value
|
|
JSBool defaultSelected;
|
|
if ((JS_TRUE == JS_ValueToBoolean(aContext,
|
|
argv[2],
|
|
&defaultSelected)) &&
|
|
(JS_TRUE == defaultSelected)) {
|
|
nsHTMLValue empty(eHTMLUnit_Empty);
|
|
result = mInner.SetHTMLAttribute(nsHTMLAtoms::selected,
|
|
empty,
|
|
PR_FALSE);
|
|
if (NS_FAILED(result)) {
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// XXX Since we don't store the selected state, we can't deal
|
|
// with the fourth (optional) parameter that is meant to specify
|
|
// whether the option element should be currently selected or
|
|
// not. Does anyone depend on this behavior?
|
|
}
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLOptionElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
|
|
{
|
|
return mInner.SizeOf(aSizer, aResult, sizeof(*this));
|
|
}
|