mcs/class/Managed.Windows.Forms/System.Windows.Forms/HtmlWindow.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining
   2 // a copy of this software and associated documentation files (the
   3 // "Software"), to deal in the Software without restriction, including
   4 // without limitation the rights to use, copy, modify, merge, publish,
   5 // distribute, sublicense, and/or sell copies of the Software, and to
   6 // permit persons to whom the Software is furnished to do so, subject to
   7 // the following conditions:
   8 //
   9 // The above copyright notice and this permission notice shall be
  10 // included in all copies or substantial portions of the Software.
  11 //
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  19 //
  20 // Copyright (c) 2007, 2008 Novell, Inc.
  21 //
  22 // Authors:
  23 //      Andreia Gaita (avidigal@novell.com)
  24 //
  25
  26 #if NET_2_0
  27
  28 using System;
  29 using System.Drawing;
  30 using System.ComponentModel;
  31
  32 using Mono.WebBrowser.DOM;
  33
  34 namespace System.Windows.Forms
  35 {
  36         public sealed class HtmlWindow
  37         {
  38                 private EventHandlerList event_handlers;
  39                 private IWindow window;
  40                 private Mono.WebBrowser.IWebBrowser webHost;
  41                 private WebBrowser owner;
  42
  43                 internal HtmlWindow (WebBrowser owner, Mono.WebBrowser.IWebBrowser webHost, IWindow iWindow)
  44                 {
  45                         this.window = iWindow;
  46                         this.webHost = webHost;
  47                         this.owner = owner;
  48                         this.window.Load += new EventHandler (OnLoad);
  49                         this.window.Unload += new EventHandler (OnUnload);
  50                 }
  51
  52                 private EventHandlerList Events {
  53                         get {
  54                                 // Note: space vs. time tradeoff
  55                                 // We create the object here if it's never be accessed before.  This potentially
  56                                 // saves space. However, we must check each time the propery is accessed to
  57                                 // determine whether we need to create the object, which increases overhead.
  58                                 // We could put the creation in the contructor, but that would waste space
  59                                 // if it were never used.  However, accessing this property would be faster.
  60                                 if (null == event_handlers)
  61                                         event_handlers = new EventHandlerList();
  62
  63                                 return event_handlers;
  64                         }
  65                 }
  66
  67 #region Properties
  68                 public HtmlDocument Document {
  69                         get { return new HtmlDocument (owner, webHost, this.window.Document); }
  70                 }
  71
  72                 public object DomWindow {
  73                         get { throw new NotSupportedException ("Retrieving a reference to an mshtml interface is not supported. Sorry."); }
  74                 }
  75
  76                 public HtmlWindowCollection Frames {
  77                         get { return new HtmlWindowCollection (owner, webHost, this.window.Frames); }
  78                 }
  79
  80                 public HtmlHistory History {
  81                         get { return new HtmlHistory (this.webHost, window.History); }
  82                 }
  83
  84                 [MonoTODO ("Windows are always open")]
  85                 public bool IsClosed {
  86                         get { return false; }
  87                 }
  88
  89                 public string Name {
  90                         get { return this.window.Name; }
  91                         set { this.window.Name = value; }
  92                 }
  93
  94                 [MonoTODO ("Separate windows are not supported yet")]
  95                 public HtmlWindow Opener {
  96                         get { return null; }
  97                 }
  98
  99                 public HtmlWindow Parent {
 100                         get { return new HtmlWindow (owner, webHost, this.window.Parent); }
 101                 }
 102
 103                 public Point Position {
 104                         get { return owner.Location; }
 105                 }
 106
 107                 public Size Size {
 108                         get { return owner.Size; }
 109                         set { }
 110                 }
 111
 112                 public string StatusBarText {
 113                         get { return this.window.StatusText; }
 114                         set { }
 115                 }
 116
 117                 public HtmlElement WindowFrameElement {
 118                         get {
 119                                 return new HtmlElement (owner, webHost, window.Document.DocumentElement);
 120                         }
 121                 }
 122
 123                 public Uri Url {
 124                         get { return this.Document.Url; }
 125                 }
 126 #endregion
 127
 128 #region Methods
 129                 public void Alert (string message)
 130                 {
 131                         MessageBox.Show ("Alert", message);
 132                 }
 133
 134                 public bool Confirm (string message)
 135                 {
 136                         DialogResult ret = MessageBox.Show (message, "Confirm", MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation);
 137                         return ret == DialogResult.OK;
 138                 }
 139
 140                 public string Prompt (string message, string defaultInputValue)
 141                 {
 142                         WebBrowserDialogs.Prompt prompt = new WebBrowserDialogs.Prompt ("Prompt", message, defaultInputValue);
 143                         DialogResult ret = prompt.Show ();
 144                         return prompt.Text;
 145                 }
 146
 147                 public void Navigate (string urlString)
 148                 {
 149                         webHost.Navigation.Go (urlString);
 150                 }
 151
 152                 public void Navigate (Uri url)
 153                 {
 154                         webHost.Navigation.Go (url.ToString ());
 155                 }
 156
 157                 public void ScrollTo (Point point)
 158                 {
 159                         ScrollTo (point.X, point.Y);
 160                 }
 161
 162                 public void ScrollTo (int x, int y)
 163                 {
 164                         this.window.ScrollTo (x, y);
 165                 }
 166
 167                 [MonoTODO("Blank opens in current window at the moment. Missing media and search implementations. No options implemented")]
 168                 public HtmlWindow Open (Uri url, string target, string windowOptions, bool replaceEntry)
 169                 {
 170                         return Open (url.ToString(), target, windowOptions, replaceEntry);
 171                 }
 172
 173                 [MonoTODO("Blank opens in current window at the moment. Missing media and search implementations. No options implemented")]
 174                 public HtmlWindow Open (string urlString, string target, string windowOptions, bool replaceEntry)
 175                 {
 176                         switch (target) {
 177                                 case "_blank":
 178                                         this.window.Open (urlString);
 179                                         break;
 180                                 case "_media":
 181                                         break;
 182                                 case "_parent":
 183                                         this.window.Parent.Open (urlString);
 184                                         break;
 185                                 case "_search":
 186                                         break;
 187                                 case "_self":
 188                                         this.window.Open (urlString);
 189                                         break;
 190                                 case "_top":
 191                                         this.window.Top.Open (urlString);
 192                                         break;
 193                         }
 194                         return this;
 195                 }
 196
 197                 [MonoTODO("Opens in current window at the moment.")]
 198                 public HtmlWindow OpenNew (string urlString, string windowOptions)
 199                 {
 200                         return Open (urlString, "_blank", windowOptions, false);
 201                 }
 202
 203                 [MonoTODO("Opens in current window at the moment.")]
 204                 public HtmlWindow OpenNew (Uri url, string windowOptions)
 205                 {
 206                         return OpenNew (url.ToString (), windowOptions);
 207                 }
 208
 209                 public void AttachEventHandler (string eventName, EventHandler eventHandler)
 210                 {
 211                         this.window.AttachEventHandler (eventName, eventHandler);
 212                 }
 213
 214                 public void Close ()
 215                 {
 216                         throw new NotImplementedException ();
 217                 }
 218
 219                 public void DetachEventHandler (string eventName, EventHandler eventHandler)
 220                 {
 221                         this.window.DetachEventHandler (eventName, eventHandler);
 222                 }
 223
 224                 public void Focus ()
 225                 {
 226                         this.window.Focus ();
 227                 }
 228
 229                 public void MoveTo (Point point)
 230                 {
 231                         throw new NotImplementedException ();
 232                 }
 233
 234                 public void MoveTo (int x, int y)
 235                 {
 236                         throw new NotImplementedException ();
 237                 }
 238
 239                 public void RemoveFocus ()
 240                 {
 241                         webHost.FocusOut ();
 242                 }
 243
 244                 public void ResizeTo (Size size)
 245                 {
 246                         throw new NotImplementedException ();
 247                 }
 248
 249                 public void ResizeTo (int width, int height)
 250                 {
 251                         throw new NotImplementedException ();
 252                 }
 253 #endregion
 254
 255 #region Events
 256                 static object ErrorEvent = new object ();
 257                 public event HtmlElementErrorEventHandler Error
 258                 {
 259                         add {
 260                                 Events.AddHandler (ErrorEvent, value);
 261                                 window.Error += new EventHandler (OnError);
 262                         }
 263                         remove {
 264                                 Events.RemoveHandler (ErrorEvent, value);
 265                                 window.Error -= new EventHandler (OnError);
 266                         }
 267                 }
 268
 269                 internal void OnError (object sender, EventArgs ev)
 270                 {
 271                         HtmlElementErrorEventHandler eh = (HtmlElementErrorEventHandler) (Events[ErrorEvent]);
 272                         if (eh != null) {
 273                                 HtmlElementErrorEventArgs e = new HtmlElementErrorEventArgs (String.Empty, 0, null);
 274                                 eh (this, e);
 275                         }
 276                 }
 277
 278                 static object GotFocusEvent = new object ();
 279                 public event HtmlElementEventHandler GotFocus
 280                 {
 281                         add {
 282                                 Events.AddHandler (GotFocusEvent, value);
 283                                 window.OnFocus += new EventHandler (OnGotFocus);
 284                         }
 285                         remove {
 286                                 Events.RemoveHandler (GotFocusEvent, value);
 287                                 window.OnFocus -= new EventHandler (OnGotFocus);
 288                         }
 289                 }
 290
 291                 internal void OnGotFocus (object sender, EventArgs ev)
 292                 {
 293                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[GotFocusEvent]);
 294                         if (eh != null) {
 295                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 296                                 eh (this, e);
 297                         }
 298                 }
 299
 300                 static object LostFocusEvent = new object ();
 301                 public event HtmlElementEventHandler LostFocus
 302                 {
 303                         add {
 304                                 Events.AddHandler (LostFocusEvent, value);
 305                                 window.OnBlur += new EventHandler (OnLostFocus);
 306                         }
 307                         remove {
 308                                 Events.RemoveHandler (LostFocusEvent, value);
 309                                 window.OnBlur -= new EventHandler (OnLostFocus);
 310                         }
 311                 }
 312
 313                 internal void OnLostFocus (object sender, EventArgs ev)
 314                 {
 315                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[LostFocusEvent]);
 316                         if (eh != null) {
 317                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 318                                 eh (this, e);
 319                         }
 320                 }
 321
 322                 static object LoadEvent = new object ();
 323                 public event HtmlElementEventHandler Load
 324                 {
 325                         add {
 326                                 Events.AddHandler (LoadEvent, value);
 327                                 window.Load += new EventHandler (OnLoad);
 328                         }
 329                         remove {
 330                                 Events.RemoveHandler (LoadEvent, value);
 331                                 window.Load -= new EventHandler (OnLoad);
 332                         }
 333                 }
 334
 335                 internal void OnLoad (object sender, EventArgs ev)
 336                 {
 337                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[LoadEvent]);
 338                         if (eh != null) {
 339                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 340                                 eh (this, e);
 341                         }
 342                 }
 343
 344                 static object UnloadEvent = new object ();
 345                 public event HtmlElementEventHandler Unload {
 346                         add {
 347                                 Events.AddHandler (UnloadEvent, value);
 348                                 window.Unload += new EventHandler (OnUnload);
 349                         }
 350                         remove {
 351                                 Events.RemoveHandler (UnloadEvent, value);
 352                                 window.Unload -= new EventHandler (OnUnload);
 353                         }
 354                 }
 355
 356                 internal void OnUnload (object sender, EventArgs ev)
 357                 {
 358                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[UnloadEvent]);
 359                         if (eh != null) {
 360                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 361                                 eh (this, e);
 362                         }
 363                 }
 364
 365                 static object ScrollEvent = new object ();
 366                 public event HtmlElementEventHandler Scroll {
 367                         add {
 368                                 Events.AddHandler (ScrollEvent, value);
 369                                 window.Scroll += new EventHandler (OnScroll);
 370                         }
 371                         remove {
 372                                 Events.RemoveHandler (ScrollEvent, value);
 373                                 window.Scroll -= new EventHandler (OnScroll);
 374                         }
 375                 }
 376
 377                 internal void OnScroll (object sender, EventArgs ev)
 378                 {
 379                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[ScrollEvent]);
 380                         if (eh != null) {
 381                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 382                                 eh (this, e);
 383                         }
 384                 }
 385
 386                 static object ResizeEvent = new object ();
 387                 public event HtmlElementEventHandler Resize {
 388                         add { Events.AddHandler (ResizeEvent, value); }
 389                         remove { Events.RemoveHandler (ResizeEvent, value); }
 390                 }
 391
 392                 internal void OnResize (object sender, EventArgs ev)
 393                 {
 394                         HtmlElementEventHandler eh = (HtmlElementEventHandler) (Events[ResizeEvent]);
 395                         if (eh != null) {
 396                                 HtmlElementEventArgs e = new HtmlElementEventArgs ();
 397                                 eh (this, e);
 398                         }
 399                 }
 400 #endregion
 401
 402 #region Standard stuff
 403                 public override int GetHashCode ()
 404                 {
 405                         return window.GetHashCode ();
 406                 }
 407
 408                 public override bool Equals (object obj)
 409                 {
 410                         return this == (HtmlWindow) obj;
 411                 }
 412
 413                 public static bool operator == (HtmlWindow left, HtmlWindow right)
 414                 {
 415                         if ((object)left == (object)right)
 416                                 return true;
 417
 418                         if ((object)left == null || (object)right == null)
 419                                 return false;
 420
 421                         return left.Equals (right);
 422                 }
 423
 424                 public static bool operator != (HtmlWindow left, HtmlWindow right)
 425                 {
 426                         return !(left == right);
 427                 }
 428 #endregion
 429         }
 430 }
 431
 432 #endif