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, Steven Lamerton
   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 wxUSE_WEBVIEW_IE
  20
  21 #include <olectl.h>
  22 #include <oleidl.h>
  23 #include <exdispid.h>
  24 #include <exdisp.h>
  25 #include <mshtml.h>
  26
  27 // Various definitions are missing from mingw
  28 #ifdef __MINGW32__
  29 typedef enum CommandStateChangeConstants {
  30     CSC_UPDATECOMMANDS = (int) 0xFFFFFFFF,
  31     CSC_NAVIGATEFORWARD = 0x1,
  32     CSC_NAVIGATEBACK = 0x2
  33 } CommandStateChangeConstants;
  34
  35 #define DISPID_COMMANDSTATECHANGE 105
  36 #define DISPID_NAVIGATECOMPLETE2 252
  37 #define DISPID_NAVIGATEERROR 271
  38 #define DISPID_NEWWINDOW3 273
  39 #define OLECMDID_OPTICAL_ZOOM 63
  40 #define INET_E_ERROR_FIRST 0x800C0002L
  41 #define INET_E_INVALID_URL 0x800C0002L
  42 #define INET_E_NO_SESSION 0x800C0003L
  43 #define INET_E_CANNOT_CONNECT 0x800C0004L
  44 #define INET_E_RESOURCE_NOT_FOUND 0x800C0005L
  45 #define INET_E_OBJECT_NOT_FOUND 0x800C0006L
  46 #define INET_E_DATA_NOT_AVAILABLE 0x800C0007L
  47 #define INET_E_DOWNLOAD_FAILURE 0x800C0008L
  48 #define INET_E_AUTHENTICATION_REQUIRED 0x800C0009L
  49 #define INET_E_NO_VALID_MEDIA 0x800C000AL
  50 #define INET_E_CONNECTION_TIMEOUT 0x800C000BL
  51 #define INET_E_INVALID_REQUEST 0x800C000CL
  52 #define INET_E_UNKNOWN_PROTOCOL 0x800C000DL
  53 #define INET_E_SECURITY_PROBLEM 0x800C000EL
  54 #define INET_E_CANNOT_LOAD_DATA 0x800C000FL
  55 #define INET_E_CANNOT_INSTANTIATE_OBJECT 0x800C0010L
  56 #define INET_E_QUERYOPTION_UNKNOWN 0x800C0013L
  57 #define INET_E_REDIRECT_FAILED 0x800C0014L
  58 #define INET_E_REDIRECT_TO_DIR 0x800C0015L
  59 #define INET_E_CANNOT_LOCK_REQUEST 0x800C0016L
  60 #define INET_E_USE_EXTEND_BINDING 0x800C0017L
  61 #define INET_E_TERMINATED_BIND 0x800C0018L
  62 #define INET_E_INVALID_CERTIFICATE 0x800C0019L
  63 #define INET_E_CODE_DOWNLOAD_DECLINED 0x800C0100L
  64 #define INET_E_RESULT_DISPATCHED 0x800C0200L
  65 #define INET_E_CANNOT_REPLACE_SFP_FILE 0x800C0300L
  66 #define INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY 0x800C0500L
  67 #define INET_E_CODE_INSTALL_SUPPRESSED 0x800C0400L
  68
  69 #define REFRESH_NORMAL 0
  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     m_historyLoadingFromList = false;
  97     m_historyEnabled = true;
  98     m_historyPosition = -1;
  99
 100     if (::CoCreateInstance(CLSID_WebBrowser, NULL,
 101                            CLSCTX_INPROC_SERVER, // CLSCTX_INPROC,
 102                            IID_IWebBrowser2 , (void**)&m_webBrowser) != 0)
 103     {
 104         wxLogError("Failed to initialize IE, CoCreateInstance returned an error");
 105         return false;
 106     }
 107
 108     m_ie.SetDispatchPtr(m_webBrowser); // wxAutomationObject will release itself
 109
 110     m_webBrowser->put_RegisterAsBrowser(VARIANT_TRUE);
 111     m_webBrowser->put_RegisterAsDropTarget(VARIANT_TRUE);
 112     //m_webBrowser->put_Silent(VARIANT_FALSE);
 113
 114     m_container = new wxActiveXContainer(this, IID_IWebBrowser2, m_webBrowser);
 115
 116     SetBackgroundStyle(wxBG_STYLE_PAINT);
 117     SetDoubleBuffered(true);
 118     LoadUrl(url);
 119     return true;
 120 }
 121
 122
 123 void wxWebViewIE::LoadUrl(const wxString& url)
 124 {
 125     wxVariant out = m_ie.CallMethod("Navigate", (BSTR) url.wc_str(),
 126                                     NULL, NULL, NULL, NULL);
 127
 128     // FIXME: why is out value null??
 129     //(HRESULT)(out.GetLong()) == S_OK;
 130 }
 131
 132 void wxWebViewIE::SetPage(const wxString& html, const wxString& baseUrl)
 133 {
 134     LoadUrl("about:blank");
 135
 136     // Let the wx events generated for navigation events be processed, so
 137     // that the underlying IE component completes its Document object.
 138     // FIXME: calling wxYield is not elegant nor very reliable probably
 139     wxYield();
 140
 141     wxVariant documentVariant = m_ie.GetProperty("Document");
 142     void* documentPtr = documentVariant.GetVoidPtr();
 143
 144     wxASSERT (documentPtr != NULL);
 145
 146     // TODO: consider the "baseUrl" parameter if possible
 147     // TODO: consider encoding
 148     BSTR bstr = SysAllocString(html.wc_str());
 149
 150     // Creates a new one-dimensional array
 151     SAFEARRAY *psaStrings = SafeArrayCreateVector(VT_VARIANT, 0, 1);
 152     if (psaStrings != NULL)
 153     {
 154         VARIANT *param;
 155         HRESULT hr = SafeArrayAccessData(psaStrings, (LPVOID*)&param);
 156         param->vt = VT_BSTR;
 157         param->bstrVal = bstr;
 158
 159         hr = SafeArrayUnaccessData(psaStrings);
 160
 161         IHTMLDocument2* document = (IHTMLDocument2*)documentPtr;
 162         document->write(psaStrings);
 163
 164         // SafeArrayDestroy calls SysFreeString for each BSTR
 165         SafeArrayDestroy(psaStrings);
 166     }
 167     else
 168     {
 169         wxLogError("wxWebViewIE::SetPage() : psaStrings is NULL");
 170     }
 171
 172 }
 173
 174 wxString wxWebViewIE::GetPageSource()
 175 {
 176     wxVariant documentVariant = m_ie.GetProperty("Document");
 177     void* documentPtr = documentVariant.GetVoidPtr();
 178
 179     if (documentPtr == NULL)
 180     {
 181         return wxEmptyString;
 182     }
 183
 184     IHTMLDocument2* document = (IHTMLDocument2*)documentPtr;
 185
 186     IHTMLElement *bodyTag = NULL;
 187     IHTMLElement *htmlTag = NULL;
 188     document->get_body(&bodyTag);
 189     wxASSERT(bodyTag != NULL);
 190
 191     document->Release();
 192     bodyTag->get_parentElement(&htmlTag);
 193     wxASSERT(htmlTag != NULL);
 194
 195     BSTR    bstr;
 196     htmlTag->get_outerHTML(&bstr);
 197
 198     bodyTag->Release();
 199     htmlTag->Release();
 200
 201     //wxMessageBox(wxString(bstr));
 202
 203     // TODO: check encoding
 204     return wxString(bstr);
 205 }
 206
 207 // FIXME? retrieve OLECMDID_GETZOOMRANGE instead of hardcoding range 0-4
 208 wxWebViewZoom wxWebViewIE::GetZoom()
 209 {
 210     const int zoom = GetIETextZoom();
 211
 212     switch (zoom)
 213     {
 214         case 0:
 215             return wxWEB_VIEW_ZOOM_TINY;
 216             break;
 217         case 1:
 218             return wxWEB_VIEW_ZOOM_SMALL;
 219             break;
 220         case 2:
 221             return wxWEB_VIEW_ZOOM_MEDIUM;
 222             break;
 223         case 3:
 224             return wxWEB_VIEW_ZOOM_LARGE;
 225             break;
 226         case 4:
 227             return wxWEB_VIEW_ZOOM_LARGEST;
 228             break;
 229         default:
 230             wxASSERT(false);
 231             return wxWEB_VIEW_ZOOM_MEDIUM;
 232     }
 233 }
 234 void wxWebViewIE::SetZoom(wxWebViewZoom zoom)
 235 {
 236     // I know I could cast from enum to int since wxWebViewZoom happens to
 237     // match with IE's zoom levels, but I don't like doing that, what if enum
 238     // values change...
 239     switch (zoom)
 240     {
 241         case wxWEB_VIEW_ZOOM_TINY:
 242             SetIETextZoom(0);
 243             break;
 244         case wxWEB_VIEW_ZOOM_SMALL:
 245             SetIETextZoom(1);
 246             break;
 247         case wxWEB_VIEW_ZOOM_MEDIUM:
 248             SetIETextZoom(2);
 249             break;
 250         case wxWEB_VIEW_ZOOM_LARGE:
 251             SetIETextZoom(3);
 252             break;
 253         case wxWEB_VIEW_ZOOM_LARGEST:
 254             SetIETextZoom(4);
 255             break;
 256         default:
 257             wxASSERT(false);
 258     }
 259 }
 260
 261 void wxWebViewIE::SetIETextZoom(int level)
 262 {
 263     VARIANT zoomVariant;
 264     VariantInit (&zoomVariant);
 265     V_VT(&zoomVariant) = VT_I4;
 266     V_I4(&zoomVariant) = level;
 267
 268     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 269                                           OLECMDEXECOPT_DONTPROMPTUSER,
 270                                           &zoomVariant, NULL);
 271     wxASSERT (result == S_OK);
 272
 273     VariantClear (&zoomVariant);
 274 }
 275
 276 int wxWebViewIE::GetIETextZoom()
 277 {
 278     VARIANT zoomVariant;
 279     VariantInit (&zoomVariant);
 280     V_VT(&zoomVariant) = VT_I4;
 281     V_I4(&zoomVariant) = 4;
 282
 283     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 284                                           OLECMDEXECOPT_DONTPROMPTUSER,
 285                                           NULL, &zoomVariant);
 286     wxASSERT (result == S_OK);
 287
 288     int zoom = V_I4(&zoomVariant);
 289    // wxMessageBox(wxString::Format("Zoom : %i", zoom));
 290     VariantClear (&zoomVariant);
 291
 292     return zoom;
 293 }
 294
 295 void wxWebViewIE::SetIEOpticalZoom(float zoom)
 296 {
 297     // TODO: add support for optical zoom (IE7+ only)
 298
 299     // TODO: get range from OLECMDID_OPTICAL_GETZOOMRANGE instead of hardcoding?
 300     wxASSERT(zoom >= 10.0f);
 301     wxASSERT(zoom <= 1000.0f);
 302
 303     VARIANT zoomVariant;
 304     VariantInit (&zoomVariant);
 305     V_VT(&zoomVariant) = VT_I4;
 306     V_I4(&zoomVariant) = (zoom * 100.0f);
 307
 308     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 309                                           OLECMDEXECOPT_DODEFAULT,
 310                                           &zoomVariant,
 311                                           NULL);
 312     wxASSERT (result == S_OK);
 313 }
 314
 315 float wxWebViewIE::GetIEOpticalZoom()
 316 {
 317     // TODO: add support for optical zoom (IE7+ only)
 318
 319     VARIANT zoomVariant;
 320     VariantInit (&zoomVariant);
 321     V_VT(&zoomVariant) = VT_I4;
 322     V_I4(&zoomVariant) = -1;
 323
 324     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 325                                           OLECMDEXECOPT_DODEFAULT, NULL,
 326                                           &zoomVariant);
 327     wxASSERT (result == S_OK);
 328
 329     const int zoom = V_I4(&zoomVariant);
 330     VariantClear (&zoomVariant);
 331
 332     return zoom / 100.0f;
 333 }
 334
 335 void wxWebViewIE::SetZoomType(wxWebViewZoomType)
 336 {
 337     // TODO: add support for optical zoom (IE7+ only)
 338     wxASSERT(false);
 339 }
 340
 341 wxWebViewZoomType wxWebViewIE::GetZoomType() const
 342 {
 343     // TODO: add support for optical zoom (IE7+ only)
 344     return wxWEB_VIEW_ZOOM_TYPE_TEXT;
 345 }
 346
 347 bool wxWebViewIE::CanSetZoomType(wxWebViewZoomType) const
 348 {
 349     // both are supported
 350     // TODO: IE6 only supports text zoom, check if it's IE6 first
 351     return true;
 352 }
 353
 354 void wxWebViewIE::Print()
 355 {
 356     m_webBrowser->ExecWB(OLECMDID_PRINTPREVIEW,
 357                          OLECMDEXECOPT_DODEFAULT, NULL, NULL);
 358 }
 359
 360 bool wxWebViewIE::CanGoBack()
 361 {
 362     if(m_historyEnabled)
 363         return m_historyPosition > 0;
 364     else
 365         return false;
 366 }
 367
 368 bool wxWebViewIE::CanGoForward()
 369 {
 370     if(m_historyEnabled)
 371         return m_historyPosition != m_historyList.size() - 1;
 372     else
 373         return false;
 374 }
 375
 376 void wxWebViewIE::LoadHistoryItem(wxWebHistoryItem* item)
 377 {
 378     int pos = -1;
 379     for(unsigned int i = 0; i < m_historyList.size(); i++)
 380     {
 381         if(m_historyList[i].get() == item)
 382             pos = i;
 383     }
 384     wxASSERT_MSG(pos != m_historyList.size(), "invalid history item");
 385     m_historyLoadingFromList = true;
 386     LoadUrl(item->GetUrl());
 387     m_historyPosition = pos;
 388 }
 389
 390 void wxWebViewIE::GoBack()
 391 {
 392     LoadHistoryItem(m_historyList[m_historyPosition - 1].get());
 393 }
 394
 395 void wxWebViewIE::GoForward()
 396 {
 397     LoadHistoryItem(m_historyList[m_historyPosition + 1].get());
 398 }
 399
 400 void wxWebViewIE::Stop()
 401 {
 402     wxVariant out = m_ie.CallMethod("Stop");
 403
 404     // FIXME: why is out value null??
 405     //return (HRESULT)(out.GetLong()) == S_OK;
 406 }
 407
 408 void wxWebViewIE::ClearHistory()
 409 {
 410     m_historyList.clear();
 411     m_historyPosition = -1;
 412 }
 413
 414 void wxWebViewIE::EnableHistory(bool enable)
 415 {
 416     m_historyEnabled = enable;
 417     m_historyList.clear();
 418     m_historyPosition = -1;
 419 }
 420
 421 void wxWebViewIE::Reload(wxWebViewReloadFlags flags)
 422 {
 423     VARIANTARG level;
 424     VariantInit(&level);
 425     V_VT(&level) = VT_I2;
 426
 427     switch(flags)
 428     {
 429         case wxWEB_VIEW_RELOAD_DEFAULT:
 430             V_I2(&level) = REFRESH_NORMAL;
 431             break;
 432         case wxWEB_VIEW_RELOAD_NO_CACHE:
 433             V_I2(&level) = REFRESH_COMPLETELY;
 434             break;
 435         default:
 436             wxFAIL_MSG("Unexpected reload type");
 437     }
 438
 439     m_webBrowser->Refresh2(&level);
 440 }
 441
 442 bool wxWebViewIE::IsOfflineMode()
 443 {
 444     wxVariant out = m_ie.GetProperty("Offline");
 445
 446     wxASSERT(out.GetType() == "bool");
 447
 448     return out.GetBool();
 449 }
 450
 451 void wxWebViewIE::SetOfflineMode(bool offline)
 452 {
 453     // FIXME: the wxWidgets docs do not really document what the return
 454     //        parameter of PutProperty is
 455     const bool success = m_ie.PutProperty("Offline", (offline ?
 456                                                       VARIANT_TRUE :
 457                                                       VARIANT_FALSE));
 458     wxASSERT(success);
 459 }
 460
 461 bool wxWebViewIE::IsBusy()
 462 {
 463     if (m_isBusy) return true;
 464
 465     wxVariant out = m_ie.GetProperty("Busy");
 466
 467     wxASSERT(out.GetType() == "bool");
 468
 469     return out.GetBool();
 470 }
 471
 472 wxString wxWebViewIE::GetCurrentURL()
 473 {
 474     wxVariant out = m_ie.GetProperty("LocationURL");
 475
 476     wxASSERT(out.GetType() == "string");
 477     return out.GetString();
 478 }
 479
 480 wxString wxWebViewIE::GetCurrentTitle()
 481 {
 482     wxVariant out = m_ie.GetProperty("LocationName");
 483
 484     wxASSERT(out.GetType() == "string");
 485     return out.GetString();
 486 }
 487
 488 void wxWebViewIE::onActiveXEvent(wxActiveXEvent& evt)
 489 {
 490     if (m_webBrowser == NULL) return;
 491
 492     switch (evt.GetDispatchId())
 493     {
 494         case DISPID_BEFORENAVIGATE2:
 495         {
 496             m_isBusy = true;
 497
 498             wxString url = evt[1].GetString();
 499             wxString target = evt[3].GetString();
 500
 501             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 502                                        GetId(), url, target, true);
 503             event.SetEventObject(this);
 504             HandleWindowEvent(event);
 505
 506             if (event.IsVetoed())
 507             {
 508                 wxActiveXEventNativeMSW* nativeParams =
 509                     evt.GetNativeParameters();
 510                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
 511             }
 512
 513             // at this point, either the navigation event has been cancelled
 514             // and we're not busy, either it was accepted and IWebBrowser2's
 515             // Busy property will be true; so we don't need our override
 516             // flag anymore.
 517             m_isBusy = false;
 518
 519             break;
 520         }
 521
 522         case DISPID_NAVIGATECOMPLETE2:
 523         {
 524             wxString url = evt[1].GetString();
 525             // TODO: set target parameter if possible
 526             wxString target = wxEmptyString;
 527             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 528                                        GetId(), url, target, false);
 529             event.SetEventObject(this);
 530             HandleWindowEvent(event);
 531             break;
 532         }
 533
 534         case DISPID_PROGRESSCHANGE:
 535         {
 536             // download progress
 537             break;
 538         }
 539
 540         case DISPID_DOCUMENTCOMPLETE:
 541         {
 542             //Only send a complete even if we are actually finished, this brings
 543             //the event in to line with webkit
 544             READYSTATE rs;
 545             m_webBrowser->get_ReadyState( &rs );
 546             if(rs != READYSTATE_COMPLETE)
 547                 break;
 548
 549             wxString url = evt[1].GetString();
 550             //As we are complete we also add to the history list
 551             if(m_historyEnabled && !m_historyLoadingFromList)
 552             {
 553                 //If we are not at the end of the list, then erase everything
 554                 //between us and the end before adding the new page
 555                 if(m_historyPosition != m_historyList.size() - 1)
 556                 {
 557                     m_historyList.erase(m_historyList.begin() + m_historyPosition + 1,
 558                                         m_historyList.end());
 559                 }
 560                 wxSharedPtr<wxWebHistoryItem> item(new wxWebHistoryItem(url, GetCurrentTitle()));
 561                 m_historyList.push_back(item);
 562                 m_historyPosition++;
 563             }
 564             //Reset as we are done now
 565             m_historyLoadingFromList = false;
 566             // TODO: set target parameter if possible
 567             wxString target = wxEmptyString;
 568             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED, GetId(),
 569                                        url, target, false);
 570             event.SetEventObject(this);
 571             HandleWindowEvent(event);
 572             break;
 573         }
 574
 575         case DISPID_STATUSTEXTCHANGE:
 576         {
 577             break;
 578         }
 579
 580         case DISPID_TITLECHANGE:
 581         {
 582             break;
 583         }
 584
 585         case DISPID_NAVIGATEERROR:
 586         {
 587             wxWebNavigationError errorType = wxWEB_NAV_ERR_OTHER;
 588             wxString errorCode = "?";
 589             switch (evt[3].GetLong())
 590             {
 591             case INET_E_INVALID_URL: // (0x800C0002L or -2146697214)
 592                 errorCode = "INET_E_INVALID_URL";
 593                 errorType = wxWEB_NAV_ERR_REQUEST;
 594                 break;
 595             case INET_E_NO_SESSION: // (0x800C0003L or -2146697213)
 596                 errorCode = "INET_E_NO_SESSION";
 597                 errorType = wxWEB_NAV_ERR_CONNECTION;
 598                 break;
 599             case INET_E_CANNOT_CONNECT: // (0x800C0004L or -2146697212)
 600                 errorCode = "INET_E_CANNOT_CONNECT";
 601                 errorType = wxWEB_NAV_ERR_CONNECTION;
 602                 break;
 603             case INET_E_RESOURCE_NOT_FOUND: // (0x800C0005L or -2146697211)
 604                 errorCode = "INET_E_RESOURCE_NOT_FOUND";
 605                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 606                 break;
 607             case INET_E_OBJECT_NOT_FOUND: // (0x800C0006L or -2146697210)
 608                 errorCode = "INET_E_OBJECT_NOT_FOUND";
 609                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 610                 break;
 611             case INET_E_DATA_NOT_AVAILABLE: // (0x800C0007L or -2146697209)
 612                 errorCode = "INET_E_DATA_NOT_AVAILABLE";
 613                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 614                 break;
 615             case INET_E_DOWNLOAD_FAILURE: // (0x800C0008L or -2146697208)
 616                 errorCode = "INET_E_DOWNLOAD_FAILURE";
 617                 errorType = wxWEB_NAV_ERR_CONNECTION;
 618                 break;
 619             case INET_E_AUTHENTICATION_REQUIRED: // (0x800C0009L or -2146697207)
 620                 errorCode = "INET_E_AUTHENTICATION_REQUIRED";
 621                 errorType = wxWEB_NAV_ERR_AUTH;
 622                 break;
 623             case INET_E_NO_VALID_MEDIA: // (0x800C000AL or -2146697206)
 624                 errorCode = "INET_E_NO_VALID_MEDIA";
 625                 errorType = wxWEB_NAV_ERR_REQUEST;
 626                 break;
 627             case INET_E_CONNECTION_TIMEOUT: // (0x800C000BL or -2146697205)
 628                 errorCode = "INET_E_CONNECTION_TIMEOUT";
 629                 errorType = wxWEB_NAV_ERR_CONNECTION;
 630                 break;
 631             case INET_E_INVALID_REQUEST: // (0x800C000CL or -2146697204)
 632                 errorCode = "INET_E_INVALID_REQUEST";
 633                 errorType = wxWEB_NAV_ERR_REQUEST;
 634                 break;
 635             case INET_E_UNKNOWN_PROTOCOL: // (0x800C000DL or -2146697203)
 636                 errorCode = "INET_E_UNKNOWN_PROTOCOL";
 637                 errorType = wxWEB_NAV_ERR_REQUEST;
 638                 break;
 639             case INET_E_SECURITY_PROBLEM: // (0x800C000EL or -2146697202)
 640                 errorCode = "INET_E_SECURITY_PROBLEM";
 641                 errorType = wxWEB_NAV_ERR_SECURITY;
 642                 break;
 643             case INET_E_CANNOT_LOAD_DATA: // (0x800C000FL or -2146697201)
 644                 errorCode = "INET_E_CANNOT_LOAD_DATA";
 645                 errorType = wxWEB_NAV_ERR_OTHER;
 646                 break;
 647             case INET_E_CANNOT_INSTANTIATE_OBJECT:
 648                 // CoCreateInstance will return an error code if this happens,
 649                 // we'll handle this above.
 650                 return;
 651                 break;
 652             case INET_E_REDIRECT_FAILED: // (0x800C0014L or -2146697196)
 653                 errorCode = "INET_E_REDIRECT_FAILED";
 654                 errorType = wxWEB_NAV_ERR_OTHER;
 655                 break;
 656             case INET_E_REDIRECT_TO_DIR: // (0x800C0015L or -2146697195)
 657                 errorCode = "INET_E_REDIRECT_TO_DIR";
 658                 errorType = wxWEB_NAV_ERR_REQUEST;
 659                 break;
 660             case INET_E_CANNOT_LOCK_REQUEST: // (0x800C0016L or -2146697194)
 661                 errorCode = "INET_E_CANNOT_LOCK_REQUEST";
 662                 errorType = wxWEB_NAV_ERR_OTHER;
 663                 break;
 664             case INET_E_USE_EXTEND_BINDING: // (0x800C0017L or -2146697193)
 665                 errorCode = "INET_E_USE_EXTEND_BINDING";
 666                 errorType = wxWEB_NAV_ERR_OTHER;
 667                 break;
 668             case INET_E_TERMINATED_BIND: // (0x800C0018L or -2146697192)
 669                 errorCode = "INET_E_TERMINATED_BIND";
 670                 errorType = wxWEB_NAV_ERR_OTHER;
 671                 break;
 672             case INET_E_INVALID_CERTIFICATE: // (0x800C0019L or -2146697191)
 673                 errorCode = "INET_E_INVALID_CERTIFICATE";
 674                 errorType = wxWEB_NAV_ERR_CERTIFICATE;
 675                 break;
 676             case INET_E_CODE_DOWNLOAD_DECLINED: // (0x800C0100L or -2146696960)
 677                 errorCode = "INET_E_CODE_DOWNLOAD_DECLINED";
 678                 errorType = wxWEB_NAV_ERR_USER_CANCELLED;
 679                 break;
 680             case INET_E_RESULT_DISPATCHED: // (0x800C0200L or -2146696704)
 681                 // cancel request cancelled...
 682                 errorCode = "INET_E_RESULT_DISPATCHED";
 683                 errorType = wxWEB_NAV_ERR_OTHER;
 684                 break;
 685             case INET_E_CANNOT_REPLACE_SFP_FILE: // (0x800C0300L or -2146696448)
 686                 errorCode = "INET_E_CANNOT_REPLACE_SFP_FILE";
 687                 errorType = wxWEB_NAV_ERR_SECURITY;
 688                 break;
 689             case INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY:
 690                 errorCode = "INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY";
 691                 errorType = wxWEB_NAV_ERR_SECURITY;
 692                 break;
 693             case INET_E_CODE_INSTALL_SUPPRESSED:
 694                 errorCode = "INET_E_CODE_INSTALL_SUPPRESSED";
 695                 errorType = wxWEB_NAV_ERR_SECURITY;
 696                 break;
 697             }
 698
 699             wxString url = evt[1].GetString();
 700             wxString target = evt[2].GetString();
 701             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR, GetId(),
 702                                        url, target, false);
 703             event.SetEventObject(this);
 704             event.SetInt(errorType);
 705             event.SetString(errorCode);
 706             HandleWindowEvent(event);
 707             break;
 708         }
 709
 710         case DISPID_COMMANDSTATECHANGE:
 711         {
 712             long commandId = evt[0].GetLong();
 713             bool enable = evt[1].GetBool();
 714             if (commandId == CSC_NAVIGATEBACK)
 715             {
 716                 m_canNavigateBack = enable;
 717             }
 718             else if (commandId == CSC_NAVIGATEFORWARD)
 719             {
 720                 m_canNavigateForward = enable;
 721             }
 722             break;
 723         }
 724         case DISPID_NEWWINDOW3:
 725         {
 726             wxString url = evt[4].GetString();
 727
 728             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 729                                        GetId(), url, wxEmptyString, true);
 730             event.SetEventObject(this);
 731             HandleWindowEvent(event);
 732
 733             //If we veto the event then we cancel the new window
 734             if (event.IsVetoed())
 735             {
 736                 wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
 737                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
 738             }
 739             break;
 740         }
 741     }
 742
 743     evt.Skip();
 744 }
 745
 746 #endif