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     m_historyLoadingFromList = true;
 385     LoadUrl(item->GetUrl());
 386     m_historyPosition = pos;
 387 }
 388
 389 void wxWebViewIE::GoBack()
 390 {
 391     LoadHistoryItem(m_historyList[m_historyPosition - 1].get());
 392 }
 393
 394 void wxWebViewIE::GoForward()
 395 {
 396     LoadHistoryItem(m_historyList[m_historyPosition + 1].get());
 397 }
 398
 399 void wxWebViewIE::Stop()
 400 {
 401     wxVariant out = m_ie.CallMethod("Stop");
 402
 403     // FIXME: why is out value null??
 404     //return (HRESULT)(out.GetLong()) == S_OK;
 405 }
 406
 407 void wxWebViewIE::ClearHistory()
 408 {
 409     m_historyList.clear();
 410     m_historyPosition = -1;
 411 }
 412
 413 void wxWebViewIE::EnableHistory(bool enable)
 414 {
 415     m_historyEnabled = enable;
 416     m_historyList.clear();
 417     m_historyPosition = -1;
 418 }
 419
 420 void wxWebViewIE::Reload(wxWebViewReloadFlags flags)
 421 {
 422     VARIANTARG level;
 423     VariantInit(&level);
 424     V_VT(&level) = VT_I2;
 425
 426     switch(flags)
 427     {
 428         case wxWEB_VIEW_RELOAD_DEFAULT:
 429             V_I2(&level) = REFRESH_NORMAL;
 430             break;
 431         case wxWEB_VIEW_RELOAD_NO_CACHE:
 432             V_I2(&level) = REFRESH_COMPLETELY;
 433             break;
 434         default:
 435             wxFAIL_MSG("Unexpected reload type");
 436     }
 437
 438     m_webBrowser->Refresh2(&level);
 439 }
 440
 441 bool wxWebViewIE::IsOfflineMode()
 442 {
 443     wxVariant out = m_ie.GetProperty("Offline");
 444
 445     wxASSERT(out.GetType() == "bool");
 446
 447     return out.GetBool();
 448 }
 449
 450 void wxWebViewIE::SetOfflineMode(bool offline)
 451 {
 452     // FIXME: the wxWidgets docs do not really document what the return
 453     //        parameter of PutProperty is
 454     const bool success = m_ie.PutProperty("Offline", (offline ?
 455                                                       VARIANT_TRUE :
 456                                                       VARIANT_FALSE));
 457     wxASSERT(success);
 458 }
 459
 460 bool wxWebViewIE::IsBusy()
 461 {
 462     if (m_isBusy) return true;
 463
 464     wxVariant out = m_ie.GetProperty("Busy");
 465
 466     wxASSERT(out.GetType() == "bool");
 467
 468     return out.GetBool();
 469 }
 470
 471 wxString wxWebViewIE::GetCurrentURL()
 472 {
 473     wxVariant out = m_ie.GetProperty("LocationURL");
 474
 475     wxASSERT(out.GetType() == "string");
 476     return out.GetString();
 477 }
 478
 479 wxString wxWebViewIE::GetCurrentTitle()
 480 {
 481     wxVariant out = m_ie.GetProperty("LocationName");
 482
 483     wxASSERT(out.GetType() == "string");
 484     return out.GetString();
 485 }
 486
 487 void wxWebViewIE::onActiveXEvent(wxActiveXEvent& evt)
 488 {
 489     if (m_webBrowser == NULL) return;
 490
 491     switch (evt.GetDispatchId())
 492     {
 493         case DISPID_BEFORENAVIGATE2:
 494         {
 495             m_isBusy = true;
 496
 497             wxString url = evt[1].GetString();
 498             wxString target = evt[3].GetString();
 499
 500             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 501                                        GetId(), url, target, true);
 502             event.SetEventObject(this);
 503             HandleWindowEvent(event);
 504
 505             if (event.IsVetoed())
 506             {
 507                 wxActiveXEventNativeMSW* nativeParams =
 508                     evt.GetNativeParameters();
 509                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
 510             }
 511
 512             // at this point, either the navigation event has been cancelled
 513             // and we're not busy, either it was accepted and IWebBrowser2's
 514             // Busy property will be true; so we don't need our override
 515             // flag anymore.
 516             m_isBusy = false;
 517
 518             break;
 519         }
 520
 521         case DISPID_NAVIGATECOMPLETE2:
 522         {
 523             wxString url = evt[1].GetString();
 524             // TODO: set target parameter if possible
 525             wxString target = wxEmptyString;
 526             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 527                                        GetId(), url, target, false);
 528             event.SetEventObject(this);
 529             HandleWindowEvent(event);
 530             break;
 531         }
 532
 533         case DISPID_PROGRESSCHANGE:
 534         {
 535             // download progress
 536             break;
 537         }
 538
 539         case DISPID_DOCUMENTCOMPLETE:
 540         {
 541             //Only send a complete even if we are actually finished, this brings
 542             //the event in to line with webkit
 543             READYSTATE rs;
 544             m_webBrowser->get_ReadyState( &rs );
 545             if(rs != READYSTATE_COMPLETE)
 546                 break;
 547
 548             wxString url = evt[1].GetString();
 549             //As we are complete we also add to the history list
 550             if(m_historyEnabled && !m_historyLoadingFromList)
 551             {
 552                 //If we are not at the end of the list, then erase everything
 553                 //between us and the end before adding the new page
 554                 if(m_historyPosition != m_historyList.size() - 1)
 555                 {
 556                     m_historyList.erase(m_historyList.begin() + m_historyPosition + 1,
 557                                         m_historyList.end());
 558                 }
 559                 wxSharedPtr<wxWebHistoryItem> item(new wxWebHistoryItem(url, GetCurrentTitle()));
 560                 m_historyList.push_back(item);
 561                 m_historyPosition++;
 562             }
 563             //Reset as we are done now
 564             m_historyLoadingFromList = false;
 565             // TODO: set target parameter if possible
 566             wxString target = wxEmptyString;
 567             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED, GetId(),
 568                                        url, target, false);
 569             event.SetEventObject(this);
 570             HandleWindowEvent(event);
 571             break;
 572         }
 573
 574         case DISPID_STATUSTEXTCHANGE:
 575         {
 576             break;
 577         }
 578
 579         case DISPID_TITLECHANGE:
 580         {
 581             break;
 582         }
 583
 584         case DISPID_NAVIGATEERROR:
 585         {
 586             wxWebNavigationError errorType = wxWEB_NAV_ERR_OTHER;
 587             wxString errorCode = "?";
 588             switch (evt[3].GetLong())
 589             {
 590             case INET_E_INVALID_URL: // (0x800C0002L or -2146697214)
 591                 errorCode = "INET_E_INVALID_URL";
 592                 errorType = wxWEB_NAV_ERR_REQUEST;
 593                 break;
 594             case INET_E_NO_SESSION: // (0x800C0003L or -2146697213)
 595                 errorCode = "INET_E_NO_SESSION";
 596                 errorType = wxWEB_NAV_ERR_CONNECTION;
 597                 break;
 598             case INET_E_CANNOT_CONNECT: // (0x800C0004L or -2146697212)
 599                 errorCode = "INET_E_CANNOT_CONNECT";
 600                 errorType = wxWEB_NAV_ERR_CONNECTION;
 601                 break;
 602             case INET_E_RESOURCE_NOT_FOUND: // (0x800C0005L or -2146697211)
 603                 errorCode = "INET_E_RESOURCE_NOT_FOUND";
 604                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 605                 break;
 606             case INET_E_OBJECT_NOT_FOUND: // (0x800C0006L or -2146697210)
 607                 errorCode = "INET_E_OBJECT_NOT_FOUND";
 608                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 609                 break;
 610             case INET_E_DATA_NOT_AVAILABLE: // (0x800C0007L or -2146697209)
 611                 errorCode = "INET_E_DATA_NOT_AVAILABLE";
 612                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 613                 break;
 614             case INET_E_DOWNLOAD_FAILURE: // (0x800C0008L or -2146697208)
 615                 errorCode = "INET_E_DOWNLOAD_FAILURE";
 616                 errorType = wxWEB_NAV_ERR_CONNECTION;
 617                 break;
 618             case INET_E_AUTHENTICATION_REQUIRED: // (0x800C0009L or -2146697207)
 619                 errorCode = "INET_E_AUTHENTICATION_REQUIRED";
 620                 errorType = wxWEB_NAV_ERR_AUTH;
 621                 break;
 622             case INET_E_NO_VALID_MEDIA: // (0x800C000AL or -2146697206)
 623                 errorCode = "INET_E_NO_VALID_MEDIA";
 624                 errorType = wxWEB_NAV_ERR_REQUEST;
 625                 break;
 626             case INET_E_CONNECTION_TIMEOUT: // (0x800C000BL or -2146697205)
 627                 errorCode = "INET_E_CONNECTION_TIMEOUT";
 628                 errorType = wxWEB_NAV_ERR_CONNECTION;
 629                 break;
 630             case INET_E_INVALID_REQUEST: // (0x800C000CL or -2146697204)
 631                 errorCode = "INET_E_INVALID_REQUEST";
 632                 errorType = wxWEB_NAV_ERR_REQUEST;
 633                 break;
 634             case INET_E_UNKNOWN_PROTOCOL: // (0x800C000DL or -2146697203)
 635                 errorCode = "INET_E_UNKNOWN_PROTOCOL";
 636                 errorType = wxWEB_NAV_ERR_REQUEST;
 637                 break;
 638             case INET_E_SECURITY_PROBLEM: // (0x800C000EL or -2146697202)
 639                 errorCode = "INET_E_SECURITY_PROBLEM";
 640                 errorType = wxWEB_NAV_ERR_SECURITY;
 641                 break;
 642             case INET_E_CANNOT_LOAD_DATA: // (0x800C000FL or -2146697201)
 643                 errorCode = "INET_E_CANNOT_LOAD_DATA";
 644                 errorType = wxWEB_NAV_ERR_OTHER;
 645                 break;
 646             case INET_E_CANNOT_INSTANTIATE_OBJECT:
 647                 // CoCreateInstance will return an error code if this happens,
 648                 // we'll handle this above.
 649                 return;
 650                 break;
 651             case INET_E_REDIRECT_FAILED: // (0x800C0014L or -2146697196)
 652                 errorCode = "INET_E_REDIRECT_FAILED";
 653                 errorType = wxWEB_NAV_ERR_OTHER;
 654                 break;
 655             case INET_E_REDIRECT_TO_DIR: // (0x800C0015L or -2146697195)
 656                 errorCode = "INET_E_REDIRECT_TO_DIR";
 657                 errorType = wxWEB_NAV_ERR_REQUEST;
 658                 break;
 659             case INET_E_CANNOT_LOCK_REQUEST: // (0x800C0016L or -2146697194)
 660                 errorCode = "INET_E_CANNOT_LOCK_REQUEST";
 661                 errorType = wxWEB_NAV_ERR_OTHER;
 662                 break;
 663             case INET_E_USE_EXTEND_BINDING: // (0x800C0017L or -2146697193)
 664                 errorCode = "INET_E_USE_EXTEND_BINDING";
 665                 errorType = wxWEB_NAV_ERR_OTHER;
 666                 break;
 667             case INET_E_TERMINATED_BIND: // (0x800C0018L or -2146697192)
 668                 errorCode = "INET_E_TERMINATED_BIND";
 669                 errorType = wxWEB_NAV_ERR_OTHER;
 670                 break;
 671             case INET_E_INVALID_CERTIFICATE: // (0x800C0019L or -2146697191)
 672                 errorCode = "INET_E_INVALID_CERTIFICATE";
 673                 errorType = wxWEB_NAV_ERR_CERTIFICATE;
 674                 break;
 675             case INET_E_CODE_DOWNLOAD_DECLINED: // (0x800C0100L or -2146696960)
 676                 errorCode = "INET_E_CODE_DOWNLOAD_DECLINED";
 677                 errorType = wxWEB_NAV_ERR_USER_CANCELLED;
 678                 break;
 679             case INET_E_RESULT_DISPATCHED: // (0x800C0200L or -2146696704)
 680                 // cancel request cancelled...
 681                 errorCode = "INET_E_RESULT_DISPATCHED";
 682                 errorType = wxWEB_NAV_ERR_OTHER;
 683                 break;
 684             case INET_E_CANNOT_REPLACE_SFP_FILE: // (0x800C0300L or -2146696448)
 685                 errorCode = "INET_E_CANNOT_REPLACE_SFP_FILE";
 686                 errorType = wxWEB_NAV_ERR_SECURITY;
 687                 break;
 688             case INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY:
 689                 errorCode = "INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY";
 690                 errorType = wxWEB_NAV_ERR_SECURITY;
 691                 break;
 692             case INET_E_CODE_INSTALL_SUPPRESSED:
 693                 errorCode = "INET_E_CODE_INSTALL_SUPPRESSED";
 694                 errorType = wxWEB_NAV_ERR_SECURITY;
 695                 break;
 696             }
 697
 698             wxString url = evt[1].GetString();
 699             wxString target = evt[2].GetString();
 700             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR, GetId(),
 701                                        url, target, false);
 702             event.SetEventObject(this);
 703             event.SetInt(errorType);
 704             event.SetString(errorCode);
 705             HandleWindowEvent(event);
 706             break;
 707         }
 708
 709         case DISPID_COMMANDSTATECHANGE:
 710         {
 711             long commandId = evt[0].GetLong();
 712             bool enable = evt[1].GetBool();
 713             if (commandId == CSC_NAVIGATEBACK)
 714             {
 715                 m_canNavigateBack = enable;
 716             }
 717             else if (commandId == CSC_NAVIGATEFORWARD)
 718             {
 719                 m_canNavigateForward = enable;
 720             }
 721             break;
 722         }
 723         case DISPID_NEWWINDOW3:
 724         {
 725             wxString url = evt[4].GetString();
 726
 727             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 728                                        GetId(), url, wxEmptyString, true);
 729             event.SetEventObject(this);
 730             HandleWindowEvent(event);
 731
 732             //If we veto the event then we cancel the new window
 733             if (event.IsVetoed())
 734             {
 735                 wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
 736                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
 737             }
 738             break;
 739         }
 740     }
 741
 742     evt.Skip();
 743 }
 744
 745 #endif