src/msw/webview_ie.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/msw/webview_ie.cpp
   3 // Purpose:     wxMSW wxWebViewIE class implementation for web view component
   4 // Author:      Marianne Gagnon
   5 // Id:          $Id$
   6 // Copyright:   (c) 2010 Marianne Gagnon
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if defined(__BORLANDC__)
  14     #pragma hdrstop
  15 #endif
  16
  17 #include "wx/msw/webview_ie.h"
  18
  19 #if wxHAVE_WEB_BACKEND_IE
  20
  21 #include <olectl.h>
  22 #include <oleidl.h>
  23 #include <exdispid.h>
  24 #include <exdisp.h>
  25 #include <mshtml.h>
  26
  27 #ifdef __MINGW32__
  28 // FIXME: Seems like MINGW does not have these, how to handle cleanly?
  29 #define DISPID_COMMANDSTATECHANGE   105
  30 typedef enum CommandStateChangeConstants {
  31     CSC_UPDATECOMMANDS = (int) 0xFFFFFFFF,
  32     CSC_NAVIGATEFORWARD = 0x1,
  33     CSC_NAVIGATEBACK = 0x2
  34 } CommandStateChangeConstants;
  35
  36
  37 // FIXME: Seems like MINGW does not have these, how to handle cleanly?
  38 #define DISPID_NAVIGATECOMPLETE2    252
  39 #define DISPID_NAVIGATEERROR        271
  40 #define OLECMDID_OPTICAL_ZOOM  63
  41 #define INET_E_ERROR_FIRST 0x800C0002L
  42 #define INET_E_INVALID_URL 0x800C0002L
  43 #define INET_E_NO_SESSION 0x800C0003L
  44 #define INET_E_CANNOT_CONNECT 0x800C0004L
  45 #define INET_E_RESOURCE_NOT_FOUND 0x800C0005L
  46 #define INET_E_OBJECT_NOT_FOUND 0x800C0006L
  47 #define INET_E_DATA_NOT_AVAILABLE 0x800C0007L
  48 #define INET_E_DOWNLOAD_FAILURE 0x800C0008L
  49 #define INET_E_AUTHENTICATION_REQUIRED 0x800C0009L
  50 #define INET_E_NO_VALID_MEDIA 0x800C000AL
  51 #define INET_E_CONNECTION_TIMEOUT 0x800C000BL
  52 #define INET_E_INVALID_REQUEST 0x800C000CL
  53 #define INET_E_UNKNOWN_PROTOCOL 0x800C000DL
  54 #define INET_E_SECURITY_PROBLEM 0x800C000EL
  55 #define INET_E_CANNOT_LOAD_DATA 0x800C000FL
  56 #define INET_E_CANNOT_INSTANTIATE_OBJECT 0x800C0010L
  57 #define INET_E_QUERYOPTION_UNKNOWN 0x800C0013L
  58 #define INET_E_REDIRECT_FAILED 0x800C0014L
  59 #define INET_E_REDIRECT_TO_DIR 0x800C0015L
  60 #define INET_E_CANNOT_LOCK_REQUEST 0x800C0016L
  61 #define INET_E_USE_EXTEND_BINDING 0x800C0017L
  62 #define INET_E_TERMINATED_BIND 0x800C0018L
  63 #define INET_E_INVALID_CERTIFICATE 0x800C0019L
  64 #define INET_E_CODE_DOWNLOAD_DECLINED 0x800C0100L
  65 #define INET_E_RESULT_DISPATCHED 0x800C0200L
  66 #define INET_E_CANNOT_REPLACE_SFP_FILE 0x800C0300L
  67 #define INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY 0x800C0500L
  68 #define INET_E_CODE_INSTALL_SUPPRESSED 0x800C0400L
  69
  70 #define REFRESH_COMPLETELY 3
  71 #endif
  72
  73 BEGIN_EVENT_TABLE(wxWebViewIE, wxControl)
  74     EVT_ACTIVEX(wxID_ANY, wxWebViewIE::onActiveXEvent)
  75     EVT_ERASE_BACKGROUND(wxWebViewIE::onEraseBg)
  76 END_EVENT_TABLE()
  77
  78 bool wxWebViewIE::Create(wxWindow* parent,
  79            wxWindowID id,
  80            const wxString& url,
  81            const wxPoint& pos,
  82            const wxSize& size,
  83            long style,
  84            const wxString& name)
  85 {
  86     if (!wxControl::Create(parent, id, pos, size, style,
  87                            wxDefaultValidator, name))
  88     {
  89         return false;
  90     }
  91
  92     m_webBrowser = NULL;
  93     m_canNavigateBack = false;
  94     m_canNavigateForward = false;
  95     m_isBusy = false;
  96
  97     if (::CoCreateInstance(CLSID_WebBrowser, NULL,
  98                            CLSCTX_INPROC_SERVER, // CLSCTX_INPROC,
  99                            IID_IWebBrowser2 , (void**)&m_webBrowser) != 0)
 100     {
 101         wxLogError("Failed to initialize IE, CoCreateInstance returned an error");
 102         return false;
 103     }
 104
 105     m_ie.SetDispatchPtr(m_webBrowser); // wxAutomationObject will release itself
 106
 107     m_webBrowser->put_RegisterAsBrowser(VARIANT_TRUE);
 108     m_webBrowser->put_RegisterAsDropTarget(VARIANT_TRUE);
 109     //m_webBrowser->put_Silent(VARIANT_FALSE);
 110
 111     m_container = new wxActiveXContainer(this, IID_IWebBrowser2, m_webBrowser);
 112
 113     SetBackgroundStyle(wxBG_STYLE_PAINT);
 114     SetDoubleBuffered(true);
 115     return true;
 116 }
 117
 118
 119 void wxWebViewIE::LoadUrl(const wxString& url)
 120 {
 121     wxVariant out = m_ie.CallMethod("Navigate", (BSTR) url.wc_str(),
 122                                     NULL, NULL, NULL, NULL);
 123
 124     // FIXME: why is out value null??
 125     //(HRESULT)(out.GetLong()) == S_OK;
 126 }
 127
 128 void wxWebViewIE::SetPage(const wxString& html, const wxString& baseUrl)
 129 {
 130     LoadUrl("about:blank");
 131
 132     // Let the wx events generated for navigation events be processed, so
 133     // that the underlying IE component completes its Document object.
 134     // FIXME: calling wxYield is not elegant nor very reliable probably
 135     wxYield();
 136
 137     wxVariant documentVariant = m_ie.GetProperty("Document");
 138     void* documentPtr = documentVariant.GetVoidPtr();
 139
 140     wxASSERT (documentPtr != NULL);
 141
 142     // TODO: consider the "baseUrl" parameter if possible
 143     // TODO: consider encoding
 144     BSTR bstr = SysAllocString(html.wc_str());
 145
 146     // Creates a new one-dimensional array
 147     SAFEARRAY *psaStrings = SafeArrayCreateVector(VT_VARIANT, 0, 1);
 148     if (psaStrings != NULL)
 149     {
 150         VARIANT *param;
 151         HRESULT hr = SafeArrayAccessData(psaStrings, (LPVOID*)&param);
 152         param->vt = VT_BSTR;
 153         param->bstrVal = bstr;
 154
 155         hr = SafeArrayUnaccessData(psaStrings);
 156
 157         IHTMLDocument2* document = (IHTMLDocument2*)documentPtr;
 158         document->write(psaStrings);
 159
 160         // SafeArrayDestroy calls SysFreeString for each BSTR
 161         SafeArrayDestroy(psaStrings);
 162     }
 163     else
 164     {
 165         wxLogError("wxWebViewIE::SetPage() : psaStrings is NULL");
 166     }
 167
 168 }
 169
 170 wxString wxWebViewIE::GetPageSource()
 171 {
 172     wxVariant documentVariant = m_ie.GetProperty("Document");
 173     void* documentPtr = documentVariant.GetVoidPtr();
 174
 175     if (documentPtr == NULL)
 176     {
 177         return wxEmptyString;
 178     }
 179
 180     IHTMLDocument2* document = (IHTMLDocument2*)documentPtr;
 181
 182     IHTMLElement *bodyTag = NULL;
 183     IHTMLElement *htmlTag = NULL;
 184     document->get_body(&bodyTag);
 185     wxASSERT(bodyTag != NULL);
 186
 187     document->Release();
 188     bodyTag->get_parentElement(&htmlTag);
 189     wxASSERT(htmlTag != NULL);
 190
 191     BSTR    bstr;
 192     htmlTag->get_outerHTML(&bstr);
 193
 194     bodyTag->Release();
 195     htmlTag->Release();
 196
 197     //wxMessageBox(wxString(bstr));
 198
 199     // TODO: check encoding
 200     return wxString(bstr);
 201 }
 202
 203 // FIXME? retrieve OLECMDID_GETZOOMRANGE instead of hardcoding range 0-4
 204 wxWebViewZoom wxWebViewIE::GetZoom()
 205 {
 206     const int zoom = GetIETextZoom();
 207
 208     switch (zoom)
 209     {
 210         case 0:
 211             return wxWEB_VIEW_ZOOM_TINY;
 212             break;
 213         case 1:
 214             return wxWEB_VIEW_ZOOM_SMALL;
 215             break;
 216         case 2:
 217             return wxWEB_VIEW_ZOOM_MEDIUM;
 218             break;
 219         case 3:
 220             return wxWEB_VIEW_ZOOM_LARGE;
 221             break;
 222         case 4:
 223             return wxWEB_VIEW_ZOOM_LARGEST;
 224             break;
 225         default:
 226             wxASSERT(false);
 227             return wxWEB_VIEW_ZOOM_MEDIUM;
 228     }
 229 }
 230 void wxWebViewIE::SetZoom(wxWebViewZoom zoom)
 231 {
 232     // I know I could cast from enum to int since wxWebViewZoom happens to
 233     // match with IE's zoom levels, but I don't like doing that, what if enum
 234     // values change...
 235     switch (zoom)
 236     {
 237         case wxWEB_VIEW_ZOOM_TINY:
 238             SetIETextZoom(0);
 239             break;
 240         case wxWEB_VIEW_ZOOM_SMALL:
 241             SetIETextZoom(1);
 242             break;
 243         case wxWEB_VIEW_ZOOM_MEDIUM:
 244             SetIETextZoom(2);
 245             break;
 246         case wxWEB_VIEW_ZOOM_LARGE:
 247             SetIETextZoom(3);
 248             break;
 249         case wxWEB_VIEW_ZOOM_LARGEST:
 250             SetIETextZoom(4);
 251             break;
 252         default:
 253             wxASSERT(false);
 254     }
 255 }
 256
 257 void wxWebViewIE::SetIETextZoom(int level)
 258 {
 259     VARIANT zoomVariant;
 260     VariantInit (&zoomVariant);
 261     V_VT(&zoomVariant) = VT_I4;
 262     V_I4(&zoomVariant) = level;
 263
 264     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 265                                           OLECMDEXECOPT_DONTPROMPTUSER,
 266                                           &zoomVariant, NULL);
 267     wxASSERT (result == S_OK);
 268
 269     VariantClear (&zoomVariant);
 270 }
 271
 272 int wxWebViewIE::GetIETextZoom()
 273 {
 274     VARIANT zoomVariant;
 275     VariantInit (&zoomVariant);
 276     V_VT(&zoomVariant) = VT_I4;
 277     V_I4(&zoomVariant) = 4;
 278
 279     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 280                                           OLECMDEXECOPT_DONTPROMPTUSER,
 281                                           NULL, &zoomVariant);
 282     wxASSERT (result == S_OK);
 283
 284     int zoom = V_I4(&zoomVariant);
 285    // wxMessageBox(wxString::Format("Zoom : %i", zoom));
 286     VariantClear (&zoomVariant);
 287
 288     return zoom;
 289 }
 290
 291 void wxWebViewIE::SetIEOpticalZoom(float zoom)
 292 {
 293     // TODO: add support for optical zoom (IE7+ only)
 294
 295     // TODO: get range from OLECMDID_OPTICAL_GETZOOMRANGE instead of hardcoding?
 296     wxASSERT(zoom >= 10.0f);
 297     wxASSERT(zoom <= 1000.0f);
 298
 299     VARIANT zoomVariant;
 300     VariantInit (&zoomVariant);
 301     V_VT(&zoomVariant) = VT_I4;
 302     V_I4(&zoomVariant) = (zoom * 100.0f);
 303
 304     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 305                                           OLECMDEXECOPT_DODEFAULT,
 306                                           &zoomVariant,
 307                                           NULL);
 308     wxASSERT (result == S_OK);
 309 }
 310
 311 float wxWebViewIE::GetIEOpticalZoom()
 312 {
 313     // TODO: add support for optical zoom (IE7+ only)
 314
 315     VARIANT zoomVariant;
 316     VariantInit (&zoomVariant);
 317     V_VT(&zoomVariant) = VT_I4;
 318     V_I4(&zoomVariant) = -1;
 319
 320     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 321                                           OLECMDEXECOPT_DODEFAULT, NULL,
 322                                           &zoomVariant);
 323     wxASSERT (result == S_OK);
 324
 325     const int zoom = V_I4(&zoomVariant);
 326     VariantClear (&zoomVariant);
 327
 328     return zoom / 100.0f;
 329 }
 330
 331 void wxWebViewIE::SetZoomType(wxWebViewZoomType)
 332 {
 333     // TODO: add support for optical zoom (IE7+ only)
 334     wxASSERT(false);
 335 }
 336
 337 wxWebViewZoomType wxWebViewIE::GetZoomType() const
 338 {
 339     // TODO: add support for optical zoom (IE7+ only)
 340     return wxWEB_VIEW_ZOOM_TYPE_TEXT;
 341 }
 342
 343 bool wxWebViewIE::CanSetZoomType(wxWebViewZoomType) const
 344 {
 345     // both are supported
 346     // TODO: IE6 only supports text zoom, check if it's IE6 first
 347     return true;
 348 }
 349
 350 void wxWebViewIE::Print()
 351 {
 352     m_webBrowser->ExecWB(OLECMDID_PRINTPREVIEW,
 353                          OLECMDEXECOPT_DODEFAULT, NULL, NULL);
 354 }
 355
 356 void wxWebViewIE::GoBack()
 357 {
 358     wxVariant out = m_ie.CallMethod("GoBack");
 359
 360     // FIXME: why is out value null??
 361     //return (HRESULT)(out.GetLong()) == S_OK;
 362 }
 363
 364 void wxWebViewIE::GoForward()
 365 {
 366     wxVariant out = m_ie.CallMethod("GoForward");
 367
 368     // FIXME: why is out value null??
 369     //return (HRESULT)(out.GetLong()) == S_OK;
 370 }
 371
 372 void wxWebViewIE::Stop()
 373 {
 374     wxVariant out = m_ie.CallMethod("Stop");
 375
 376     // FIXME: why is out value null??
 377     //return (HRESULT)(out.GetLong()) == S_OK;
 378 }
 379
 380
 381 void wxWebViewIE::Reload(wxWebViewReloadFlags flags)
 382 {
 383     VARIANTARG level;
 384     VariantInit(&level);
 385     V_VT(&level) = VT_I2;
 386
 387     switch(flags)
 388     {
 389         case wxWEB_VIEW_RELOAD_DEFAULT:
 390             V_I2(&level) = REFRESH_NORMAL;
 391             break;
 392         case wxWEB_VIEW_RELOAD_NO_CACHE:
 393             V_I2(&level) = REFRESH_COMPLETELY;
 394             break;
 395         default:
 396             wxFAIL_MSG("Unexpected reload type");
 397     }
 398
 399     m_webBrowser->Refresh2(&level);
 400 }
 401
 402 bool wxWebViewIE::IsOfflineMode()
 403 {
 404     wxVariant out = m_ie.GetProperty("Offline");
 405
 406     wxASSERT(out.GetType() == "bool");
 407
 408     return out.GetBool();
 409 }
 410
 411 void wxWebViewIE::SetOfflineMode(bool offline)
 412 {
 413     // FIXME: the wxWidgets docs do not really document what the return
 414     //        parameter of PutProperty is
 415     const bool success = m_ie.PutProperty("Offline", (offline ?
 416                                                       VARIANT_TRUE :
 417                                                       VARIANT_FALSE));
 418     wxASSERT(success);
 419 }
 420
 421 bool wxWebViewIE::IsBusy()
 422 {
 423     if (m_isBusy) return true;
 424
 425     wxVariant out = m_ie.GetProperty("Busy");
 426
 427     wxASSERT(out.GetType() == "bool");
 428
 429     return out.GetBool();
 430 }
 431
 432 wxString wxWebViewIE::GetCurrentURL()
 433 {
 434     wxVariant out = m_ie.GetProperty("LocationURL");
 435
 436     wxASSERT(out.GetType() == "string");
 437     return out.GetString();
 438 }
 439
 440 wxString wxWebViewIE::GetCurrentTitle()
 441 {
 442     wxVariant out = m_ie.GetProperty("LocationName");
 443
 444     wxASSERT(out.GetType() == "string");
 445     return out.GetString();
 446 }
 447
 448 void wxWebViewIE::onActiveXEvent(wxActiveXEvent& evt)
 449 {
 450     if (m_webBrowser == NULL) return;
 451
 452     switch (evt.GetDispatchId())
 453     {
 454         case DISPID_BEFORENAVIGATE2:
 455         {
 456             m_isBusy = true;
 457
 458             wxString url = evt[1].GetString();
 459             wxString target = evt[3].GetString();
 460
 461             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 462                                        GetId(), url, target, true);
 463             event.SetEventObject(this);
 464             HandleWindowEvent(event);
 465
 466             if (event.IsVetoed())
 467             {
 468                 wxActiveXEventNativeMSW* nativeParams =
 469                     evt.GetNativeParameters();
 470                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
 471             }
 472
 473             // at this point, either the navigation event has been cancelled
 474             // and we're not busy, either it was accepted and IWebBrowser2's
 475             // Busy property will be true; so we don't need our override
 476             // flag anymore.
 477             m_isBusy = false;
 478
 479             break;
 480         }
 481
 482         case DISPID_NAVIGATECOMPLETE2:
 483         {
 484             wxString url = evt[1].GetString();
 485             // TODO: set target parameter if possible
 486             wxString target = wxEmptyString;
 487             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 488                                        GetId(), url, target, false);
 489             event.SetEventObject(this);
 490             HandleWindowEvent(event);
 491             break;
 492         }
 493
 494         case DISPID_PROGRESSCHANGE:
 495         {
 496             // download progress
 497             break;
 498         }
 499
 500         case DISPID_DOCUMENTCOMPLETE:
 501         {
 502             wxString url = evt[1].GetString();
 503             // TODO: set target parameter if possible
 504             wxString target = wxEmptyString;
 505             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED, GetId(),
 506                                        url, target, false);
 507             event.SetEventObject(this);
 508             HandleWindowEvent(event);
 509             break;
 510         }
 511
 512         case DISPID_STATUSTEXTCHANGE:
 513         {
 514             break;
 515         }
 516
 517         case DISPID_TITLECHANGE:
 518         {
 519             break;
 520         }
 521
 522         case DISPID_NAVIGATEERROR:
 523         {
 524             wxWebNavigationError errorType = wxWEB_NAV_ERR_OTHER;
 525             wxString errorCode = "?";
 526             switch (evt[3].GetLong())
 527             {
 528             case INET_E_INVALID_URL: // (0x800C0002L or -2146697214)
 529                 errorCode = "INET_E_INVALID_URL";
 530                 errorType = wxWEB_NAV_ERR_REQUEST;
 531                 break;
 532             case INET_E_NO_SESSION: // (0x800C0003L or -2146697213)
 533                 errorCode = "INET_E_NO_SESSION";
 534                 errorType = wxWEB_NAV_ERR_CONNECTION;
 535                 break;
 536             case INET_E_CANNOT_CONNECT: // (0x800C0004L or -2146697212)
 537                 errorCode = "INET_E_CANNOT_CONNECT";
 538                 errorType = wxWEB_NAV_ERR_CONNECTION;
 539                 break;
 540             case INET_E_RESOURCE_NOT_FOUND: // (0x800C0005L or -2146697211)
 541                 errorCode = "INET_E_RESOURCE_NOT_FOUND";
 542                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 543                 break;
 544             case INET_E_OBJECT_NOT_FOUND: // (0x800C0006L or -2146697210)
 545                 errorCode = "INET_E_OBJECT_NOT_FOUND";
 546                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 547                 break;
 548             case INET_E_DATA_NOT_AVAILABLE: // (0x800C0007L or -2146697209)
 549                 errorCode = "INET_E_DATA_NOT_AVAILABLE";
 550                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 551                 break;
 552             case INET_E_DOWNLOAD_FAILURE: // (0x800C0008L or -2146697208)
 553                 errorCode = "INET_E_DOWNLOAD_FAILURE";
 554                 errorType = wxWEB_NAV_ERR_CONNECTION;
 555                 break;
 556             case INET_E_AUTHENTICATION_REQUIRED: // (0x800C0009L or -2146697207)
 557                 errorCode = "INET_E_AUTHENTICATION_REQUIRED";
 558                 errorType = wxWEB_NAV_ERR_AUTH;
 559                 break;
 560             case INET_E_NO_VALID_MEDIA: // (0x800C000AL or -2146697206)
 561                 errorCode = "INET_E_NO_VALID_MEDIA";
 562                 errorType = wxWEB_NAV_ERR_REQUEST;
 563                 break;
 564             case INET_E_CONNECTION_TIMEOUT: // (0x800C000BL or -2146697205)
 565                 errorCode = "INET_E_CONNECTION_TIMEOUT";
 566                 errorType = wxWEB_NAV_ERR_CONNECTION;
 567                 break;
 568             case INET_E_INVALID_REQUEST: // (0x800C000CL or -2146697204)
 569                 errorCode = "INET_E_INVALID_REQUEST";
 570                 errorType = wxWEB_NAV_ERR_REQUEST;
 571                 break;
 572             case INET_E_UNKNOWN_PROTOCOL: // (0x800C000DL or -2146697203)
 573                 errorCode = "INET_E_UNKNOWN_PROTOCOL";
 574                 errorType = wxWEB_NAV_ERR_REQUEST;
 575                 break;
 576             case INET_E_SECURITY_PROBLEM: // (0x800C000EL or -2146697202)
 577                 errorCode = "INET_E_SECURITY_PROBLEM";
 578                 errorType = wxWEB_NAV_ERR_SECURITY;
 579                 break;
 580             case INET_E_CANNOT_LOAD_DATA: // (0x800C000FL or -2146697201)
 581                 errorCode = "INET_E_CANNOT_LOAD_DATA";
 582                 errorType = wxWEB_NAV_ERR_OTHER;
 583                 break;
 584             case INET_E_CANNOT_INSTANTIATE_OBJECT:
 585                 // CoCreateInstance will return an error code if this happens,
 586                 // we'll handle this above.
 587                 return;
 588                 break;
 589             case INET_E_REDIRECT_FAILED: // (0x800C0014L or -2146697196)
 590                 errorCode = "INET_E_REDIRECT_FAILED";
 591                 errorType = wxWEB_NAV_ERR_OTHER;
 592                 break;
 593             case INET_E_REDIRECT_TO_DIR: // (0x800C0015L or -2146697195)
 594                 errorCode = "INET_E_REDIRECT_TO_DIR";
 595                 errorType = wxWEB_NAV_ERR_REQUEST;
 596                 break;
 597             case INET_E_CANNOT_LOCK_REQUEST: // (0x800C0016L or -2146697194)
 598                 errorCode = "INET_E_CANNOT_LOCK_REQUEST";
 599                 errorType = wxWEB_NAV_ERR_OTHER;
 600                 break;
 601             case INET_E_USE_EXTEND_BINDING: // (0x800C0017L or -2146697193)
 602                 errorCode = "INET_E_USE_EXTEND_BINDING";
 603                 errorType = wxWEB_NAV_ERR_OTHER;
 604                 break;
 605             case INET_E_TERMINATED_BIND: // (0x800C0018L or -2146697192)
 606                 errorCode = "INET_E_TERMINATED_BIND";
 607                 errorType = wxWEB_NAV_ERR_OTHER;
 608                 break;
 609             case INET_E_INVALID_CERTIFICATE: // (0x800C0019L or -2146697191)
 610                 errorCode = "INET_E_INVALID_CERTIFICATE";
 611                 errorType = wxWEB_NAV_ERR_CERTIFICATE;
 612                 break;
 613             case INET_E_CODE_DOWNLOAD_DECLINED: // (0x800C0100L or -2146696960)
 614                 errorCode = "INET_E_CODE_DOWNLOAD_DECLINED";
 615                 errorType = wxWEB_NAV_ERR_USER_CANCELLED;
 616                 break;
 617             case INET_E_RESULT_DISPATCHED: // (0x800C0200L or -2146696704)
 618                 // cancel request cancelled...
 619                 errorCode = "INET_E_RESULT_DISPATCHED";
 620                 errorType = wxWEB_NAV_ERR_OTHER;
 621                 break;
 622             case INET_E_CANNOT_REPLACE_SFP_FILE: // (0x800C0300L or -2146696448)
 623                 errorCode = "INET_E_CANNOT_REPLACE_SFP_FILE";
 624                 errorType = wxWEB_NAV_ERR_SECURITY;
 625                 break;
 626             case INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY:
 627                 errorCode = "INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY";
 628                 errorType = wxWEB_NAV_ERR_SECURITY;
 629                 break;
 630             case INET_E_CODE_INSTALL_SUPPRESSED:
 631                 errorCode = "INET_E_CODE_INSTALL_SUPPRESSED";
 632                 errorType = wxWEB_NAV_ERR_SECURITY;
 633                 break;
 634             }
 635
 636             wxString url = evt[1].GetString();
 637             wxString target = evt[2].GetString();
 638             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR, GetId(),
 639                                        url, target, false);
 640             event.SetEventObject(this);
 641             event.SetInt(errorType);
 642             event.SetString(errorCode);
 643             HandleWindowEvent(event);
 644             break;
 645         }
 646
 647         case DISPID_COMMANDSTATECHANGE:
 648         {
 649             long commandId = evt[0].GetLong();
 650             bool enable = evt[1].GetBool();
 651             if (commandId == CSC_NAVIGATEBACK)
 652             {
 653                 m_canNavigateBack = enable;
 654             }
 655             else if (commandId == CSC_NAVIGATEFORWARD)
 656             {
 657                 m_canNavigateForward = enable;
 658             }
 659             break;
 660         }
 661         case DISPID_NEWWINDOW2:
 662         {
 663             wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
 664             // Cancel the attempt to open a new window
 665             *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
 666             break;
 667         }
 668     }
 669
 670     evt.Skip();
 671 }
 672
 673 #endif