mcs/class/Mono.WebBrowser/Mono.Mozilla/Base.cs

   1 // Permission is hereby granted, free of charge, to any person obtaining\r
   2 // a copy of this software and associated documentation files (the\r
   3 // "Software"), to deal in the Software without restriction, including\r
   4 // without limitation the rights to use, copy, modify, merge, publish,\r
   5 // distribute, sublicense, and/or sell copies of the Software, and to\r
   6 // permit persons to whom the Software is furnished to do so, subject to\r
   7 // the following conditions:\r
   8 // \r
   9 // The above copyright notice and this permission notice shall be\r
  10 // included in all copies or substantial portions of the Software.\r
  11 // \r
  12 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
  13 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
  14 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
  15 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
  16 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
  17 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
  18 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.\r
  19 //\r
  20 // Copyright (c) 2007, 2008 Novell, Inc.\r
  21 //\r
  22 // Authors:\r
  23 //      Andreia Gaita (avidigal@novell.com)\r
  24 //\r
  25 \r
  26 using System;\r
  27 using System.Text;\r
  28 using System.Collections;\r
  29 using System.Runtime.InteropServices;\r
  30 using System.Diagnostics;\r
  31 using Mono.WebBrowser;\r
  32 \r
  33 namespace Mono.Mozilla\r
  34 {\r
  35         internal class Base\r
  36         {\r
  37                 private static Hashtable boundControls;\r
  38                 internal static bool gluezillaInstalled;\r
  39                 internal static bool initialized;\r
  40 \r
  41                 private class BindingInfo\r
  42                 {\r
  43                         public CallbackBinder callback;\r
  44                         public IntPtr gluezilla;\r
  45                 }\r
  46 \r
  47                 private static bool isInitialized ()\r
  48                 {\r
  49                         if (!gluezillaInstalled)\r
  50                                 return false;\r
  51                         return true;\r
  52                 }\r
  53 \r
  54                 private static BindingInfo getBinding (IWebBrowser control)\r
  55                 {\r
  56                         if (!boundControls.ContainsKey (control))\r
  57                                 return null;\r
  58                         BindingInfo info = boundControls[control] as BindingInfo;\r
  59                         return info;\r
  60                 }\r
  61 \r
  62                 static Base ()\r
  63                 {\r
  64                         boundControls = new Hashtable ();\r
  65                 }\r
  66 \r
  67                 public Base () { }\r
  68 \r
  69                 public static void Debug (int signal)\r
  70                 {\r
  71                         gluezilla_debug (signal);\r
  72                 }\r
  73                 \r
  74                 public static bool Init (WebBrowser control, Platform platform)\r
  75                 {\r
  76                         if (!initialized) {\r
  77         \r
  78                                 string monoMozDir = System.IO.Path.Combine (\r
  79                                         System.IO.Path.Combine (\r
  80                                         Environment.GetFolderPath (Environment.SpecialFolder.LocalApplicationData),\r
  81                                         ".mono"), "mozilla");\r
  82         \r
  83                                 if (!System.IO.Directory.Exists (monoMozDir))\r
  84                                         System.IO.Directory.CreateDirectory (monoMozDir);\r
  85         \r
  86                                 Platform mozPlatform;\r
  87                                 try {\r
  88                                         gluezilla_init (platform, out mozPlatform);\r
  89                                 }\r
  90                                 catch (DllNotFoundException) {\r
  91                                         Console.WriteLine ("libgluezilla not found. To have webbrowser support, you need libgluezilla installed");\r
  92                                         gluezillaInstalled = false;\r
  93                                         initialized = false;\r
  94                                         return false;\r
  95                                 }\r
  96                                 control.enginePlatform = mozPlatform;\r
  97                                 gluezillaInstalled = true;\r
  98                                 initialized = true;\r
  99                         }\r
 100                         return initialized;\r
 101                 }\r
 102 \r
 103                 public static void Bind (WebBrowser control, IntPtr handle, int width, int height)\r
 104                 {\r
 105                         if (!isInitialized ())\r
 106                                 return;\r
 107 \r
 108                         BindingInfo info = new BindingInfo ();\r
 109                         info.callback = new CallbackBinder (control.callbacks);\r
 110                         IntPtr ptrCallback = Marshal.AllocHGlobal (Marshal.SizeOf (info.callback));\r
 111                         Marshal.StructureToPtr (info.callback, ptrCallback, true);\r
 112                         \r
 113                         string monoMozDir = System.IO.Path.Combine (\r
 114                                 System.IO.Path.Combine (\r
 115                                 Environment.GetFolderPath (Environment.SpecialFolder.LocalApplicationData),\r
 116                                 ".mono"), "mozilla");\r
 117                         info.gluezilla = gluezilla_createBrowserWindow (ptrCallback, handle, width, height, Environment.CurrentDirectory, monoMozDir, control.platform);\r
 118                         \r
 119                         boundControls.Add (control as IWebBrowser, info);\r
 120                         \r
 121                 }\r
 122 \r
 123                 public static void Shutdown (IWebBrowser control)\r
 124                 {\r
 125                         if (!isInitialized ())\r
 126                                 return;\r
 127                         BindingInfo info = getBinding (control);\r
 128 \r
 129                         gluezilla_shutdown (info.gluezilla);\r
 130                 }\r
 131 \r
 132                 // layout\r
 133                 public static void Focus (IWebBrowser control, FocusOption focus)\r
 134                 {\r
 135                         if (!isInitialized ())\r
 136                                 return;\r
 137                         BindingInfo info = getBinding (control);\r
 138 \r
 139                         gluezilla_focus (info.gluezilla, focus);\r
 140                 }\r
 141 \r
 142 \r
 143                 public static void Blur (IWebBrowser control)\r
 144                 {\r
 145                         if (!isInitialized ())\r
 146                                 return;\r
 147                         BindingInfo info = getBinding (control);\r
 148 \r
 149                         gluezilla_blur (info.gluezilla);\r
 150                 }\r
 151 \r
 152                 public static void Activate (IWebBrowser control)\r
 153                 {\r
 154                         if (!isInitialized ())\r
 155                                 return;\r
 156                         BindingInfo info = getBinding (control);\r
 157 \r
 158                         gluezilla_activate (info.gluezilla);\r
 159                 }\r
 160 \r
 161                 public static void Deactivate (IWebBrowser control)\r
 162                 {\r
 163                         if (!isInitialized ())\r
 164                                 return;\r
 165                         BindingInfo info = getBinding (control);\r
 166 \r
 167                         gluezilla_deactivate (info.gluezilla);\r
 168                 }\r
 169 \r
 170                 public static void Resize (IWebBrowser control, int width, int height)\r
 171                 {\r
 172                         if (!isInitialized ())\r
 173                                 return;\r
 174                         BindingInfo info = getBinding (control);\r
 175 \r
 176                         gluezilla_resize (info.gluezilla, width, height);\r
 177                 }\r
 178 \r
 179                 // navigation\r
 180                 public static void Home (IWebBrowser control)\r
 181                 {\r
 182                         if (!isInitialized ())\r
 183                                 return;\r
 184                         BindingInfo info = getBinding (control);\r
 185 \r
 186                         gluezilla_home (info.gluezilla);\r
 187                 }\r
 188 \r
 189                 public static nsIWebNavigation GetWebNavigation (IWebBrowser control)\r
 190                 {\r
 191                         if (!isInitialized ())\r
 192                                 return null;\r
 193                         BindingInfo info = getBinding (control);\r
 194 \r
 195                         return gluezilla_getWebNavigation (info.gluezilla);\r
 196                 }\r
 197 \r
 198                 public static IntPtr StringInit ()\r
 199                 {\r
 200                         return gluezilla_stringInit ();\r
 201                 }\r
 202 \r
 203                 public static void StringFinish (HandleRef str)\r
 204                 {\r
 205                         gluezilla_stringFinish (str);\r
 206                 }\r
 207 \r
 208                 public static string StringGet (HandleRef str)\r
 209                 {\r
 210                         IntPtr p = gluezilla_stringGet (str);\r
 211                         return Marshal.PtrToStringUni (p);\r
 212                 }\r
 213 \r
 214                 public static void StringSet (HandleRef str, string text)\r
 215                 {\r
 216                         gluezilla_stringSet (str, text);\r
 217                 }\r
 218 \r
 219 \r
 220                 public static object GetProxyForObject (IWebBrowser control, Guid iid, object obj)\r
 221                 {\r
 222                         if (!isInitialized ())\r
 223                                 return null;\r
 224                         BindingInfo info = getBinding (control);\r
 225                         \r
 226                         IntPtr ret;\r
 227                         gluezilla_getProxyForObject (info.gluezilla, iid, obj, out ret);\r
 228                         \r
 229                         object o = Marshal.GetObjectForIUnknown (ret);\r
 230                         return o;\r
 231                 }\r
 232 \r
 233                 public static string EvalScript (IWebBrowser control, string script)\r
 234                 {\r
 235                         if (!isInitialized ())\r
 236                                 return null;\r
 237                         BindingInfo info = getBinding (control);\r
 238                         IntPtr p = gluezilla_evalScript (info.gluezilla, script);\r
 239                         return Marshal.PtrToStringAuto (p);\r
 240                 }\r
 241
 242
 243                 #region pinvokes\r
 244                 [DllImport("gluezilla")]\r
 245                 private static extern void gluezilla_debug(int signal);\r
 246 \r
 247                 [DllImport("gluezilla")]\r
 248                 private static extern IntPtr gluezilla_init (Platform platform, out Platform mozPlatform);\r
 249 \r
 250                 [DllImport ("gluezilla")]\r
 251                 private static extern IntPtr gluezilla_shutdown (IntPtr instance);\r
 252 \r
 253                 [DllImport ("gluezilla")]\r
 254                 private static extern IntPtr gluezilla_createBrowserWindow (/*IntPtr instance, */IntPtr events, IntPtr hwnd, Int32 width, Int32 height, string startDir, string dataDir, Platform platform);\r
 255                 \r
 256                 // layout\r
 257                 [DllImport ("gluezilla")]\r
 258                 private static extern int gluezilla_focus (IntPtr instance, FocusOption focus);\r
 259                 [DllImport ("gluezilla")]\r
 260                 private static extern int gluezilla_blur (IntPtr instance);\r
 261                 [DllImport ("gluezilla")]\r
 262                 private static extern int gluezilla_activate (IntPtr instance);\r
 263                 [DllImport ("gluezilla")]\r
 264                 private static extern int gluezilla_deactivate (IntPtr instance);\r
 265                 [DllImport ("gluezilla")]\r
 266                 private static extern int gluezilla_resize (IntPtr instance, Int32 width, Int32 height);\r
 267 \r
 268                 // navigation\r
 269                 [DllImport ("gluezilla")]\r
 270                 private static extern int gluezilla_home (IntPtr instance);\r
 271 \r
 272                 // dom\r
 273                 [DllImport ("gluezilla")]\r
 274                 [return:MarshalAs(UnmanagedType.Interface)]\r
 275                 private static extern nsIWebNavigation gluezilla_getWebNavigation (IntPtr instance);\r
 276 \r
 277                 [DllImport ("gluezilla")]\r
 278                 private static extern IntPtr gluezilla_stringInit ();\r
 279                 [DllImport ("gluezilla")]\r
 280                 private static extern int gluezilla_stringFinish (HandleRef str);\r
 281                 [DllImport ("gluezilla")]\r
 282                 private static extern IntPtr gluezilla_stringGet (HandleRef str);\r
 283                 [DllImport ("gluezilla")]\r
 284                 private static extern void gluezilla_stringSet (HandleRef str, [MarshalAs (UnmanagedType.LPWStr)] string text);\r
 285 \r
 286                 [DllImport ("gluezilla")]\r
 287                 private static extern void gluezilla_getProxyForObject (\r
 288                         IntPtr instance, \r
 289                         [MarshalAs (UnmanagedType.LPStruct)] Guid iid, \r
 290                         [MarshalAs (UnmanagedType.Interface)] object obj,\r
 291                         out IntPtr ret);\r
 292
 293
 294                 [DllImport ("gluezilla")]
 295                 public static extern uint gluezilla_StringContainerInit (HandleRef /*nsStringContainer & */aStr);
 296
 297                 [DllImport ("gluezilla")]
 298                 public static extern void gluezilla_StringContainerFinish (HandleRef /*nsStringContainer & */aStr);
 299
 300                 [DllImport ("gluezilla")]
 301                 public static extern uint gluezilla_StringGetData (HandleRef /*const nsAString &*/ aStr,
 302                         out IntPtr /*const PRUnichar ** */aBuf,
 303                         out bool /*PRBool * */aTerm);
 304
 305                 [DllImport ("gluezilla")]
 306                 public static extern uint gluezilla_StringSetData (HandleRef /*nsAString &*/ aStr,
 307                         [MarshalAs (UnmanagedType.LPWStr)] string /*const PRUnichar * */ aBuf, uint aCount);
 308
 309                 [DllImport ("gluezilla")]
 310                 public static extern uint gluezilla_CStringContainerInit (HandleRef /*nsCStringContainer &*/ aStr);
 311
 312                 [DllImport ("gluezilla")]
 313                 public static extern void gluezilla_CStringContainerFinish (HandleRef /*nsCStringContainer &*/ aStr);
 314
 315                 [DllImport ("gluezilla")]
 316                 public static extern uint gluezilla_CStringGetData (HandleRef /*const nsACString &*/ aStr,
 317                         out IntPtr /*const PRUnichar ** */aBuf,
 318                         out bool /*PRBool **/ aTerm);
 319
 320                 [DllImport ("gluezilla")]
 321                 public static extern uint gluezilla_CStringSetData (HandleRef /*nsACString &*/ aStr,
 322                         string aBuf,
 323                         uint aCount);
 324
 325                 [DllImport ("gluezilla")]\r
 326                 [return: MarshalAs (UnmanagedType.Interface)]
 327                 public static extern nsIServiceManager  gluezilla_getServiceManager ();\r
 328 \r
 329                 [DllImport ("gluezilla")]\r
 330                 private static extern IntPtr gluezilla_evalScript (IntPtr instance, string script);
 331 \r
 332                 #endregion\r
 333         }\r
 334 }\r