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// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// Copyright (c) 2007, 2008 Novell, Inc.
//
// Authors:
// Andreia Gaita (avidigal@novell.com)
//
using System;
using System.Text;
using System.ComponentModel;
using System.Runtime.InteropServices;
using System.Collections;
using Mono.WebBrowser;
namespace Mono.Mozilla.DOM
{
internal class DOMObject : IDisposable
{
private EventHandlerList event_handlers;
protected WebBrowser control;
internal HandleRef storage;
protected bool disposed = false;
protected Hashtable resources;
internal DOMObject (WebBrowser control)
{
this.control = control;
IntPtr p = Base.StringInit ();
storage = new HandleRef (this, p);
resources = new Hashtable ();
event_handlers = null;
}
~DOMObject ()
{
Dispose (false);
}
#region IDisposable Members
protected virtual void Dispose (bool disposing)
{
if (!disposed) {
if (disposing) {
Base.StringFinish (storage);
}
disposed = true;
}
}
public void Dispose ()
{
Dispose (true);
GC.SuppressFinalize (this);
}
#endregion
protected EventHandlerList Events {
get {
// Note: space vs. time tradeoff
// We create the object here if it's never be accessed before. This potentially
// saves space. However, we must check each time the propery is accessed to
// determine whether we need to create the object, which increases overhead.
// We could put the creation in the contructor, but that would waste space
// if it were never used. However, accessing this property would be faster.
if (null == event_handlers)
event_handlers = new EventHandlerList();
return event_handlers;
}
}
#region Private
internal Mono.WebBrowser.DOM.INode GetTypedNode (nsIDOMNode obj)
{
if (obj == null)
return null;
obj.getLocalName (storage);
ushort type;
obj.getNodeType (out type);
switch (type) {
case (ushort)NodeType.Element:
#if DEBUG
Console.Write (Base.StringGet (storage) + ":Getting typed object from NodeType.Element:");
#endif
if (obj is Mono.Mozilla.nsIDOMHTMLBodyElement) {
#if DEBUG
Console.WriteLine ("HTMLElement-nsIDOMHTMLBodyElement");
#endif
return new HTMLElement (control, obj as nsIDOMHTMLBodyElement);
}
else if (obj is Mono.Mozilla.nsIDOMHTMLStyleElement) {
#if DEBUG
Console.WriteLine ("HTMLElement-nsIDOMHTMLStyleElement");
#endif
return new HTMLElement (control, obj as nsIDOMHTMLStyleElement);
}
else if (obj is nsIDOMHTMLElement) {
#if DEBUG
Console.WriteLine ("HTMLElement-nsIDOMHTMLElement");
#endif
return new HTMLElement (control, obj as nsIDOMHTMLElement);
}
#if DEBUG
Console.WriteLine ("HTMLElement-nsIDOMHTMLElement");
#endif
return new Element (control, obj as nsIDOMElement);
break;
case (ushort)NodeType.Attribute:
return new Attribute (control, obj as nsIDOMAttr);
break;
case (ushort)NodeType.Document:
if (obj is nsIDOMHTMLDocument)
return new Document (control, obj as nsIDOMHTMLDocument);
return new Document (control, obj as nsIDOMDocument);
break;
case (ushort)NodeType.Text:
case (ushort)NodeType.CDataSection:
case (ushort)NodeType.EntityReference:
case (ushort)NodeType.Entity:
case (ushort)NodeType.ProcessingInstruction:
case (ushort)NodeType.Comment:
case (ushort)NodeType.DocumentType:
case (ushort)NodeType.DocumentFragment:
case (ushort)NodeType.Notation:
default:
return new Node (control, obj);
break;
}
}
#endregion
}
}
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