186 lines
4.5 KiB
C++
186 lines
4.5 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 License
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* Version 1.0 (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"
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* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
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* the License for the specific language governing rights and limitations
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* 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 Copyright (C) 1998
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* Netscape Communications Corporation. All Rights Reserved.
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*/
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#include "nsIDOMComment.h"
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#include "nsGenericDOMDataNode.h"
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#include "nsIScriptObjectOwner.h"
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#include "nsIDOMEventReceiver.h"
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#include "nsIContent.h"
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#include "nsFrame.h"
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#include "nsLayoutAtoms.h"
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static NS_DEFINE_IID(kIDOMCommentIID, NS_IDOMCOMMENT_IID);
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class nsCommentNode : public nsIDOMComment,
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public nsIScriptObjectOwner,
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public nsIDOMEventReceiver,
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public nsIContent
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{
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public:
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nsCommentNode();
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~nsCommentNode();
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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_DOM_DATA(mInner)
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// nsIDOMCharacterData
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NS_IMPL_IDOMCHARACTERDATA_USING_GENERIC_DOM_DATA(mInner)
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// nsIDOMComment
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// nsIScriptObjectOwner
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NS_IMPL_ISCRIPTOBJECTOWNER_USING_GENERIC_DOM_DATA(mInner)
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// nsIDOMEventReceiver
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NS_IMPL_IDOMEVENTRECEIVER_USING_GENERIC_DOM_DATA(mInner)
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// nsIContent
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NS_IMPL_ICONTENT_USING_GENERIC_DOM_DATA(mInner)
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protected:
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nsGenericDOMDataNode mInner;
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};
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nsresult NS_NewCommentNode(nsIContent** aInstancePtrResult);
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nsresult
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NS_NewCommentNode(nsIContent** aInstancePtrResult)
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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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nsIContent* it = new nsCommentNode();
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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(kIContentIID, (void **) aInstancePtrResult);
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}
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nsCommentNode::nsCommentNode()
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{
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NS_INIT_REFCNT();
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mInner.Init(this);
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}
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nsCommentNode::~nsCommentNode()
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{
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}
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NS_IMPL_ADDREF(nsCommentNode)
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NS_IMPL_RELEASE(nsCommentNode)
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NS_IMETHODIMP
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nsCommentNode::QueryInterface(REFNSIID aIID, void** aInstancePtr)
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{
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NS_IMPL_DOM_DATA_QUERY_INTERFACE(aIID, aInstancePtr, this)
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if (aIID.Equals(kIDOMCommentIID)) {
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nsIDOMComment* 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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NS_IMETHODIMP
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nsCommentNode::GetTag(nsIAtom*& aResult) const
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{
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aResult = nsLayoutAtoms::commentTagName;
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NS_ADDREF(aResult);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommentNode::GetNodeName(nsString& aNodeName)
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{
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aNodeName.SetString("#comment");
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommentNode::GetNodeType(PRUint16* aNodeType)
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{
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*aNodeType = (PRUint16)nsIDOMNode::COMMENT_NODE;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommentNode::CloneNode(PRBool aDeep, nsIDOMNode** aReturn)
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{
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nsCommentNode* it = new nsCommentNode();
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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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nsAutoString data;
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nsresult result = GetData(data);
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if (NS_FAILED(result)) {
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return result;
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}
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result = it->SetData(data);
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if (NS_FAILED(result)) {
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return result;
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}
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return it->QueryInterface(kIDOMNodeIID, (void**) aReturn);
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}
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NS_IMETHODIMP
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nsCommentNode::List(FILE* out, PRInt32 aIndent) const
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{
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NS_PRECONDITION(nsnull != mInner.mDocument, "bad content");
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PRInt32 index;
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for (index = aIndent; --index >= 0; ) fputs(" ", out);
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fprintf(out, "Comment refcount=%d<", mRefCnt);
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nsAutoString tmp;
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mInner.ToCString(tmp, 0, mInner.mText.GetLength());
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fputs(tmp, out);
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fputs(">\n", out);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsCommentNode::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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nsresult NS_NewCommentFrame(nsIFrame*& aResult);
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nsresult
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NS_NewCommentFrame(nsIFrame*& aResult)
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{
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nsIFrame* frame;
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NS_NewEmptyFrame(&frame);
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if (nsnull == frame) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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aResult = frame;
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return NS_OK;
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}
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