259 lines
7.5 KiB
C++
259 lines
7.5 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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*/
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#include "nsIDOMHTMLAreaElement.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 "nsIFocusableContent.h"
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#include "nsIEventStateManager.h"
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static NS_DEFINE_IID(kIDOMHTMLAreaElementIID, NS_IDOMHTMLAREAELEMENT_IID);
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static NS_DEFINE_IID(kIFocusableContentIID, NS_IFOCUSABLECONTENT_IID);
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class nsHTMLAreaElement : public nsIDOMHTMLAreaElement,
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIHTMLContent,
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public nsIFocusableContent
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{
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public:
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nsHTMLAreaElement(nsIAtom* aTag);
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virtual ~nsHTMLAreaElement();
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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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// nsIDOMHTMLAreaElement
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NS_IMETHOD GetAccessKey(nsString& aAccessKey);
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NS_IMETHOD SetAccessKey(const nsString& aAccessKey);
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NS_IMETHOD GetAlt(nsString& aAlt);
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NS_IMETHOD SetAlt(const nsString& aAlt);
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NS_IMETHOD GetCoords(nsString& aCoords);
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NS_IMETHOD SetCoords(const nsString& aCoords);
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NS_IMETHOD GetHref(nsString& aHref);
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NS_IMETHOD SetHref(const nsString& aHref);
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NS_IMETHOD GetNoHref(PRBool* aNoHref);
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NS_IMETHOD SetNoHref(PRBool aNoHref);
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NS_IMETHOD GetShape(nsString& aShape);
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NS_IMETHOD SetShape(const nsString& aShape);
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NS_IMETHOD GetTabIndex(PRInt32* aTabIndex);
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NS_IMETHOD SetTabIndex(PRInt32 aTabIndex);
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NS_IMETHOD GetTarget(nsString& aTarget);
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NS_IMETHOD SetTarget(const nsString& aTarget);
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC(mInner)
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// nsIHTMLContent
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NS_IMPL_IHTMLCONTENT_USING_GENERIC(mInner)
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// nsIFocusableContent
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NS_IMETHOD SetFocus(nsIPresContext* aPresContext);
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NS_IMETHOD RemoveFocus(nsIPresContext* aPresContext);
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protected:
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nsGenericHTMLLeafElement mInner;
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};
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nsresult
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NS_NewHTMLAreaElement(nsIHTMLContent** aInstancePtrResult, nsIAtom* aTag)
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{
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NS_PRECONDITION(nsnull != aInstancePtrResult, "null ptr");
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if (nsnull == aInstancePtrResult) {
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return NS_ERROR_NULL_POINTER;
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}
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nsIHTMLContent* it = new nsHTMLAreaElement(aTag);
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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(kIHTMLContentIID, (void**) aInstancePtrResult);
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}
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nsHTMLAreaElement::nsHTMLAreaElement(nsIAtom* aTag)
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{
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NS_INIT_REFCNT();
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mInner.Init(this, aTag);
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}
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nsHTMLAreaElement::~nsHTMLAreaElement()
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{
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}
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NS_IMPL_ADDREF(nsHTMLAreaElement)
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NS_IMPL_RELEASE(nsHTMLAreaElement)
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nsresult
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nsHTMLAreaElement::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(kIDOMHTMLAreaElementIID)) {
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nsIDOMHTMLAreaElement* 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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else if (aIID.Equals(kIFocusableContentIID)) {
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*aInstancePtr = (void*)(nsIFocusableContent*) this;
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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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nsresult
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nsHTMLAreaElement::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsHTMLAreaElement* it = new nsHTMLAreaElement(mInner.mTag);
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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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mInner.CopyInnerTo(this, &it->mInner, aDeep);
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, AccessKey, accesskey)
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, Alt, alt)
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, Coords, coords)
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, Href, href)
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NS_IMPL_BOOL_ATTR(nsHTMLAreaElement, NoHref, nohref)
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, Shape, shape)
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NS_IMPL_INT_ATTR(nsHTMLAreaElement, TabIndex, tabindex)
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NS_IMPL_STRING_ATTR(nsHTMLAreaElement, Target, target)
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NS_IMETHODIMP
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nsHTMLAreaElement::StringToAttribute(nsIAtom* aAttribute,
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const nsString& aValue,
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nsHTMLValue& aResult)
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{
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if (aAttribute == nsHTMLAtoms::nohref) {
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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::tabindex) {
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if (nsGenericHTMLElement::ParseValue(aValue, 0, aResult, eHTMLUnit_Integer)) {
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return NS_CONTENT_ATTR_HAS_VALUE;
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}
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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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nsHTMLAreaElement::AttributeToString(nsIAtom* aAttribute,
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const nsHTMLValue& aValue,
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nsString& 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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nsHTMLAreaElement::GetMappedAttributeImpact(const nsIAtom* aAttribute,
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PRInt32& aHint) const
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{
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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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nsHTMLAreaElement::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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nsHTMLAreaElement::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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nsHTMLAreaElement::SetFocus(nsIPresContext* aPresContext)
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{
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nsIEventStateManager* esm;
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if (NS_OK == aPresContext->GetEventStateManager(&esm)) {
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esm->SetContentState(this, NS_EVENT_STATE_FOCUS);
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NS_RELEASE(esm);
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}
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// XXX write me
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLAreaElement::RemoveFocus(nsIPresContext* aPresContext)
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{
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// XXX write me
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLAreaElement::SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const
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{
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return mInner.SizeOf(aSizer, aResult, sizeof(*this));
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}
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