539 lines
15 KiB
C#
539 lines
15 KiB
C#
// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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// Copyright (c) 2007, 2008 Novell, Inc.
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//
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// Authors:
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// Andreia Gaita <avidigal@novell.com>
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using System;
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using System.Drawing;
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using System.ComponentModel;
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using System.Globalization;
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using Mono.WebBrowser.DOM;
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namespace System.Windows.Forms
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{
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public sealed class HtmlDocument
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{
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private EventHandlerList events;
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private Mono.WebBrowser.IWebBrowser webHost;
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private IDocument document;
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private WebBrowser owner;
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internal HtmlDocument (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost) :
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this (owner, webHost, webHost.Document)
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{
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}
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internal HtmlDocument (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost, IDocument doc)
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{
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this.webHost = webHost;
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this.document = doc;
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this.owner = owner;
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}
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internal EventHandlerList Events {
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get {
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if (events == null)
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events = new EventHandlerList ();
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return events;
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}
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}
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#region Methods
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public void AttachEventHandler (string eventName, EventHandler eventHandler)
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{
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document.AttachEventHandler (eventName, eventHandler);
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}
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public HtmlElement CreateElement (string elementTag)
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{
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Mono.WebBrowser.DOM.IElement element = document.CreateElement (elementTag);
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return new HtmlElement (owner, webHost, element);
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}
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public void DetachEventHandler (string eventName, EventHandler eventHandler)
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{
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document.DetachEventHandler (eventName, eventHandler);
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}
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public override bool Equals (object obj) {
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return this == (HtmlDocument) obj;
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}
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public void ExecCommand (string command, bool showUI, Object value)
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{
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throw new NotImplementedException ("Not Supported");
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}
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[EditorBrowsable(EditorBrowsableState.Advanced)]
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public void Focus ()
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{
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webHost.FocusIn (Mono.WebBrowser.FocusOption.None);
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}
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public HtmlElement GetElementById (string id)
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{
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IElement elem = document.GetElementById (id);
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if (elem != null)
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return new HtmlElement (owner, webHost, elem);
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return null;
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}
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public HtmlElement GetElementFromPoint (Point point)
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{
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Mono.WebBrowser.DOM.IElement elem = document.GetElement (point.X, point.Y);
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if (elem != null)
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return new HtmlElement(owner, webHost, elem);
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return null;
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}
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public HtmlElementCollection GetElementsByTagName (string tagName)
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{
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Mono.WebBrowser.DOM.IElementCollection col = document.GetElementsByTagName (tagName);
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if (col != null)
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return new HtmlElementCollection (owner, webHost, col);
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return null;
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}
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public override int GetHashCode ()
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{
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if (document == null)
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return 0;
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return document.GetHashCode ();
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}
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public Object InvokeScript (string scriptName)
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{
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return document.InvokeScript ("eval ('" + scriptName + "()');");
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}
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public Object InvokeScript (string scriptName, object[] args)
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{
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string[] strArgs = new string[args.Length];
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for (int i = 0; i < args.Length; i++) {
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if (args[i] is string)
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strArgs[i] = "\"" + args[i].ToString() + "\"";
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else
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strArgs[i] = args[i].ToString();
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}
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return document.InvokeScript ("eval ('" + scriptName + "(" + String.Join (",", strArgs) + ")');");
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}
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public static bool operator ==(HtmlDocument left, HtmlDocument right) {
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if ((object)left == (object)right) {
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return true;
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}
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if ((object)left == null || (object)right == null) {
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return false;
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}
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return left.document.Equals (right.document);
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}
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public static bool operator !=(HtmlDocument left, HtmlDocument right) {
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return !(left == right);
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}
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public HtmlDocument OpenNew (bool replaceInHistory)
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{
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Mono.WebBrowser.DOM.LoadFlags flags = Mono.WebBrowser.DOM.LoadFlags.None;
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if (replaceInHistory)
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flags |= Mono.WebBrowser.DOM.LoadFlags.ReplaceHistory;
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webHost.Navigation.Go ("about:blank", flags);
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return this;
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}
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public void Write (string text)
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{
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document.Write (text);
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}
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#endregion
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#region Properties
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public HtmlElement ActiveElement {
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get {
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Mono.WebBrowser.DOM.IElement element = document.Active;
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if (element == null)
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return null;
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return new HtmlElement (owner, webHost, element);
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}
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}
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public Color ActiveLinkColor {
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get { return ParseColor(document.ActiveLinkColor); }
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set { document.ActiveLinkColor = value.ToArgb().ToString(); }
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}
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public HtmlElementCollection All {
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get {
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return new HtmlElementCollection (owner, webHost, document.DocumentElement.All);
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}
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}
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public Color BackColor {
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get { return ParseColor(document.BackColor); }
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set { document.BackColor = value.ToArgb().ToString(); }
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}
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public HtmlElement Body {
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get { return new HtmlElement (owner, webHost, document.Body); }
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}
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public string Cookie {
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get { return document.Cookie; }
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set { document.Cookie = value; }
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}
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public string DefaultEncoding {
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get { return document.Charset; }
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}
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public string Domain {
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get { return document.Domain; }
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set { throw new NotSupportedException ("Setting the domain is not supported per the DOM Level 2 HTML specification. Sorry."); }
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}
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public Object DomDocument {
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get { throw new NotSupportedException ("Retrieving a reference to an mshtml interface is not supported. Sorry."); }
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}
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public string Encoding {
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get { return document.Charset; }
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set { document.Charset = value; }
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}
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public bool Focused {
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get { return webHost.Window.Document == document; }
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}
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public Color ForeColor {
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get { return ParseColor(document.ForeColor); }
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set { document.ForeColor = value.ToArgb().ToString(); }
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}
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public HtmlElementCollection Forms {
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get { return new HtmlElementCollection (owner, webHost, document.Forms); }
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}
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public HtmlElementCollection Images {
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get { return new HtmlElementCollection (owner, webHost, document.Images); }
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}
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public Color LinkColor {
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get { return ParseColor(document.LinkColor); }
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set { document.LinkColor = value.ToArgb().ToString(); }
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}
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public HtmlElementCollection Links {
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get { return new HtmlElementCollection (owner, webHost, document.Links); }
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}
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public bool RightToLeft {
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get {
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IAttribute dir = document.Attributes["dir"];
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return (dir != null && dir.Value == "rtl");
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}
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set {
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IAttribute dir = document.Attributes["dir"];
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if (dir == null && value) {
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IAttribute attr = document.CreateAttribute ("dir");
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attr.Value = "rtl";
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document.AppendChild (attr);
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} else if (dir != null && !value) {
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document.RemoveChild (dir);
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}
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}
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}
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public string Title {
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get {
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if (document == null)
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return String.Empty;
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return document.Title;
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}
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set { document.Title = value; }
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}
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public Uri Url {
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get { return new Uri (document.Url); }
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}
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public Color VisitedLinkColor {
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get { return ParseColor(document.VisitedLinkColor); }
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set { document.VisitedLinkColor = value.ToArgb().ToString(); }
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}
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public HtmlWindow Window {
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get { return new HtmlWindow (owner, webHost, webHost.Window); }
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}
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#endregion
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#region Events
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private static object ClickEvent = new object ();
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public event HtmlElementEventHandler Click {
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add {
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Events.AddHandler (ClickEvent, value);
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document.Click += new NodeEventHandler (OnClick);
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}
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remove {
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Events.RemoveHandler (ClickEvent, value);
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document.Click -= new NodeEventHandler (OnClick);
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}
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}
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private void OnClick (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[ClickEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object ContextMenuShowingEvent = new object ();
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public event HtmlElementEventHandler ContextMenuShowing {
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add {
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Events.AddHandler (ContextMenuShowingEvent, value);
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owner.WebHost.ContextMenuShown += new Mono.WebBrowser.ContextMenuEventHandler (OnContextMenuShowing);
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}
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remove {
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Events.RemoveHandler (ContextMenuShowingEvent, value);
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owner.WebHost.ContextMenuShown -= new Mono.WebBrowser.ContextMenuEventHandler (OnContextMenuShowing);
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}
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}
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private void OnContextMenuShowing (object sender, Mono.WebBrowser.ContextMenuEventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[ContextMenuShowingEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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if (ev.ReturnValue) {
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owner.OnWebHostContextMenuShown (sender, e);
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}
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}
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}
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private static object FocusingEvent = new object ();
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public event HtmlElementEventHandler Focusing {
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add {
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Events.AddHandler (FocusingEvent, value);
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document.OnFocus += new NodeEventHandler (OnFocusing);
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}
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remove {
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Events.RemoveHandler (FocusingEvent, value);
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document.OnFocus -= new NodeEventHandler (OnFocusing);
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}
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}
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private void OnFocusing (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[FocusingEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object LosingFocusEvent = new object ();
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public event HtmlElementEventHandler LosingFocus {
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add {
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Events.AddHandler (LosingFocusEvent, value);
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document.OnBlur += new NodeEventHandler (OnLosingFocus);
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}
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remove {
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Events.RemoveHandler (LosingFocusEvent, value);
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document.OnBlur -= new NodeEventHandler (OnLosingFocus);
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}
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}
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private void OnLosingFocus (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[LosingFocusEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object MouseDownEvent = new object ();
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public event HtmlElementEventHandler MouseDown {
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add {
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Events.AddHandler (MouseDownEvent, value);
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document.MouseDown += new NodeEventHandler (OnMouseDown);
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}
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remove {
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Events.RemoveHandler (MouseDownEvent, value);
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document.MouseDown -= new NodeEventHandler (OnMouseDown);
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}
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}
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private void OnMouseDown (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseDownEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object MouseLeaveEvent = new object ();
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public event HtmlElementEventHandler MouseLeave {
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add {
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Events.AddHandler (MouseLeaveEvent, value);
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document.MouseLeave += new NodeEventHandler (OnMouseLeave);
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}
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remove {
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Events.RemoveHandler (MouseLeaveEvent, value);
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document.MouseLeave -= new NodeEventHandler (OnMouseLeave);
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}
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}
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private void OnMouseLeave (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseLeaveEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object MouseMoveEvent = new object ();
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public event HtmlElementEventHandler MouseMove {
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add {
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Events.AddHandler (MouseMoveEvent, value);
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document.MouseMove += new NodeEventHandler (OnMouseMove);
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}
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remove {
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Events.RemoveHandler (MouseMoveEvent, value);
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document.MouseMove -= new NodeEventHandler (OnMouseMove);
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}
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}
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private void OnMouseMove (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseMoveEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object MouseOverEvent = new object ();
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public event HtmlElementEventHandler MouseOver {
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add {
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Events.AddHandler (MouseOverEvent, value);
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document.MouseOver += new NodeEventHandler (OnMouseOver);
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}
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remove {
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Events.RemoveHandler (MouseOverEvent, value);
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document.MouseOver -= new NodeEventHandler (OnMouseOver);
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}
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}
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private void OnMouseOver (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseOverEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object MouseUpEvent = new object ();
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public event HtmlElementEventHandler MouseUp {
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add {
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Events.AddHandler (MouseUpEvent, value);
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document.MouseUp += new NodeEventHandler (OnMouseUp);
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}
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remove {
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Events.RemoveHandler (MouseUpEvent, value);
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document.MouseUp -= new NodeEventHandler (OnMouseUp);
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}
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}
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private void OnMouseUp (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[MouseUpEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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private static object StopEvent = new object ();
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public event HtmlElementEventHandler Stop {
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add {
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Events.AddHandler (StopEvent, value);
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document.LoadStopped += new EventHandler (OnStop);
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}
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remove {
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Events.RemoveHandler (StopEvent, value);
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document.LoadStopped -= new EventHandler (OnStop);
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}
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}
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private void OnStop (object sender, EventArgs e)
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{
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HtmlElementEventHandler eh = (HtmlElementEventHandler) Events[StopEvent];
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if (eh != null) {
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HtmlElementEventArgs ev = new HtmlElementEventArgs ();
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eh (this, ev);
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}
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}
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#endregion
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#region Internal and Private
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private Color ParseColor (string color) {
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if (color.IndexOf ("#") >= 0) {
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return Color.FromArgb (int.Parse (color.Substring (color.IndexOf ("#") + 1), NumberStyles.HexNumber));
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}
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return Color.FromName (color);
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}
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internal string DocType {
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get {
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if (this.document == null)
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return String.Empty;
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if (this.document.DocType != null)
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return this.document.DocType.Name;
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return String.Empty;
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}
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}
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#endregion
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}
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}
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