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     m_ie.CallMethod("Navigate", (BSTR) url.wc_str(), NULL, NULL, NULL, NULL);
 126 }
 127
 128 void wxWebViewIE::SetPage(const wxString& html, const wxString&)
 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     // TODO: consider the "baseUrl" parameter if possible
 138     // TODO: consider encoding
 139     BSTR bstr = SysAllocString(html.wc_str());
 140
 141     // Creates a new one-dimensional array
 142     SAFEARRAY *psaStrings = SafeArrayCreateVector(VT_VARIANT, 0, 1);
 143     if (psaStrings != NULL)
 144     {
 145         VARIANT *param;
 146         HRESULT hr = SafeArrayAccessData(psaStrings, (LPVOID*)&param);
 147         param->vt = VT_BSTR;
 148         param->bstrVal = bstr;
 149
 150         hr = SafeArrayUnaccessData(psaStrings);
 151         IHTMLDocument2* document = GetDocument();
 152         document->write(psaStrings);
 153
 154         // SafeArrayDestroy calls SysFreeString for each BSTR
 155         SafeArrayDestroy(psaStrings);
 156     }
 157     else
 158     {
 159         wxLogError("wxWebViewIE::SetPage() : psaStrings is NULL");
 160     }
 161
 162 }
 163
 164 wxString wxWebViewIE::GetPageSource()
 165 {
 166     IHTMLDocument2* document = GetDocument();
 167     IHTMLElement *bodyTag = NULL;
 168     IHTMLElement *htmlTag = NULL;
 169     BSTR bstr;
 170     HRESULT hr = document->get_body(&bodyTag);
 171     if(SUCCEEDED(hr))
 172     {
 173         hr = bodyTag->get_parentElement(&htmlTag);
 174         if(SUCCEEDED(hr))
 175         {
 176             htmlTag->get_outerHTML(&bstr);
 177             htmlTag->Release();
 178         }
 179         bodyTag->Release();
 180     }
 181
 182     document->Release();
 183     return wxString(bstr);
 184 }
 185
 186 // FIXME? retrieve OLECMDID_GETZOOMRANGE instead of hardcoding range 0-4
 187 wxWebViewZoom wxWebViewIE::GetZoom()
 188 {
 189     const int zoom = GetIETextZoom();
 190
 191     switch (zoom)
 192     {
 193         case 0:
 194             return wxWEB_VIEW_ZOOM_TINY;
 195             break;
 196         case 1:
 197             return wxWEB_VIEW_ZOOM_SMALL;
 198             break;
 199         case 2:
 200             return wxWEB_VIEW_ZOOM_MEDIUM;
 201             break;
 202         case 3:
 203             return wxWEB_VIEW_ZOOM_LARGE;
 204             break;
 205         case 4:
 206             return wxWEB_VIEW_ZOOM_LARGEST;
 207             break;
 208         default:
 209             wxASSERT(false);
 210             return wxWEB_VIEW_ZOOM_MEDIUM;
 211     }
 212 }
 213 void wxWebViewIE::SetZoom(wxWebViewZoom zoom)
 214 {
 215     // I know I could cast from enum to int since wxWebViewZoom happens to
 216     // match with IE's zoom levels, but I don't like doing that, what if enum
 217     // values change...
 218     switch (zoom)
 219     {
 220         case wxWEB_VIEW_ZOOM_TINY:
 221             SetIETextZoom(0);
 222             break;
 223         case wxWEB_VIEW_ZOOM_SMALL:
 224             SetIETextZoom(1);
 225             break;
 226         case wxWEB_VIEW_ZOOM_MEDIUM:
 227             SetIETextZoom(2);
 228             break;
 229         case wxWEB_VIEW_ZOOM_LARGE:
 230             SetIETextZoom(3);
 231             break;
 232         case wxWEB_VIEW_ZOOM_LARGEST:
 233             SetIETextZoom(4);
 234             break;
 235         default:
 236             wxASSERT(false);
 237     }
 238 }
 239
 240 void wxWebViewIE::SetIETextZoom(int level)
 241 {
 242     VARIANT zoomVariant;
 243     VariantInit (&zoomVariant);
 244     V_VT(&zoomVariant) = VT_I4;
 245     V_I4(&zoomVariant) = level;
 246
 247     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 248                                           OLECMDEXECOPT_DONTPROMPTUSER,
 249                                           &zoomVariant, NULL);
 250     wxASSERT (result == S_OK);
 251
 252     VariantClear (&zoomVariant);
 253 }
 254
 255 int wxWebViewIE::GetIETextZoom()
 256 {
 257     VARIANT zoomVariant;
 258     VariantInit (&zoomVariant);
 259     V_VT(&zoomVariant) = VT_I4;
 260     V_I4(&zoomVariant) = 4;
 261
 262     HRESULT result = m_webBrowser->ExecWB(OLECMDID_ZOOM,
 263                                           OLECMDEXECOPT_DONTPROMPTUSER,
 264                                           NULL, &zoomVariant);
 265     wxASSERT (result == S_OK);
 266
 267     int zoom = V_I4(&zoomVariant);
 268     VariantClear (&zoomVariant);
 269
 270     return zoom;
 271 }
 272
 273 void wxWebViewIE::SetIEOpticalZoom(float zoom)
 274 {
 275     // TODO: add support for optical zoom (IE7+ only)
 276
 277     // TODO: get range from OLECMDID_OPTICAL_GETZOOMRANGE instead of hardcoding?
 278     wxASSERT(zoom >= 10.0f);
 279     wxASSERT(zoom <= 1000.0f);
 280
 281     VARIANT zoomVariant;
 282     VariantInit (&zoomVariant);
 283     V_VT(&zoomVariant) = VT_I4;
 284     V_I4(&zoomVariant) = (zoom * 100.0f);
 285
 286     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 287                                           OLECMDEXECOPT_DODEFAULT,
 288                                           &zoomVariant,
 289                                           NULL);
 290     wxASSERT (result == S_OK);
 291 }
 292
 293 float wxWebViewIE::GetIEOpticalZoom()
 294 {
 295     // TODO: add support for optical zoom (IE7+ only)
 296
 297     VARIANT zoomVariant;
 298     VariantInit (&zoomVariant);
 299     V_VT(&zoomVariant) = VT_I4;
 300     V_I4(&zoomVariant) = -1;
 301
 302     HRESULT result = m_webBrowser->ExecWB((OLECMDID)OLECMDID_OPTICAL_ZOOM,
 303                                           OLECMDEXECOPT_DODEFAULT, NULL,
 304                                           &zoomVariant);
 305     wxASSERT (result == S_OK);
 306
 307     const int zoom = V_I4(&zoomVariant);
 308     VariantClear (&zoomVariant);
 309
 310     return zoom / 100.0f;
 311 }
 312
 313 void wxWebViewIE::SetZoomType(wxWebViewZoomType)
 314 {
 315     // TODO: add support for optical zoom (IE7+ only)
 316     wxASSERT(false);
 317 }
 318
 319 wxWebViewZoomType wxWebViewIE::GetZoomType() const
 320 {
 321     // TODO: add support for optical zoom (IE7+ only)
 322     return wxWEB_VIEW_ZOOM_TYPE_TEXT;
 323 }
 324
 325 bool wxWebViewIE::CanSetZoomType(wxWebViewZoomType) const
 326 {
 327     // both are supported
 328     // TODO: IE6 only supports text zoom, check if it's IE6 first
 329     return true;
 330 }
 331
 332 void wxWebViewIE::Print()
 333 {
 334     m_webBrowser->ExecWB(OLECMDID_PRINTPREVIEW,
 335                          OLECMDEXECOPT_DODEFAULT, NULL, NULL);
 336 }
 337
 338 bool wxWebViewIE::CanGoBack()
 339 {
 340     if(m_historyEnabled)
 341         return m_historyPosition > 0;
 342     else
 343         return false;
 344 }
 345
 346 bool wxWebViewIE::CanGoForward()
 347 {
 348     if(m_historyEnabled)
 349         return m_historyPosition != static_cast<int>(m_historyList.size()) - 1;
 350     else
 351         return false;
 352 }
 353
 354 void wxWebViewIE::LoadHistoryItem(wxSharedPtr<wxWebHistoryItem> item)
 355 {
 356     int pos = -1;
 357     for(unsigned int i = 0; i < m_historyList.size(); i++)
 358     {
 359         //We compare the actual pointers to find the correct item
 360         if(m_historyList[i].get() == item.get())
 361             pos = i;
 362     }
 363     wxASSERT_MSG(pos != static_cast<int>(m_historyList.size()),
 364                  "invalid history item");
 365     m_historyLoadingFromList = true;
 366     LoadUrl(item->GetUrl());
 367     m_historyPosition = pos;
 368 }
 369
 370 wxVector<wxSharedPtr<wxWebHistoryItem> > wxWebViewIE::GetBackwardHistory()
 371 {
 372     wxVector<wxSharedPtr<wxWebHistoryItem> > backhist;
 373     //As we don't have std::copy or an iterator constructor in the wxwidgets
 374     //native vector we construct it by hand
 375     for(int i = 0; i < m_historyPosition; i++)
 376     {
 377         backhist.push_back(m_historyList[i]);
 378     }
 379     return backhist;
 380 }
 381
 382 wxVector<wxSharedPtr<wxWebHistoryItem> > wxWebViewIE::GetForwardHistory()
 383 {
 384     wxVector<wxSharedPtr<wxWebHistoryItem> > forwardhist;
 385     //As we don't have std::copy or an iterator constructor in the wxwidgets
 386     //native vector we construct it by hand
 387     for(int i = m_historyPosition + 1; i < static_cast<int>(m_historyList.size()); i++)
 388     {
 389         forwardhist.push_back(m_historyList[i]);
 390     }
 391     return forwardhist;
 392 }
 393
 394 void wxWebViewIE::GoBack()
 395 {
 396     LoadHistoryItem(m_historyList[m_historyPosition - 1]);
 397 }
 398
 399 void wxWebViewIE::GoForward()
 400 {
 401     LoadHistoryItem(m_historyList[m_historyPosition + 1]);
 402 }
 403
 404 void wxWebViewIE::Stop()
 405 {
 406     m_ie.CallMethod("Stop");
 407 }
 408
 409 void wxWebViewIE::ClearHistory()
 410 {
 411     m_historyList.clear();
 412     m_historyPosition = -1;
 413 }
 414
 415 void wxWebViewIE::EnableHistory(bool enable)
 416 {
 417     m_historyEnabled = enable;
 418     m_historyList.clear();
 419     m_historyPosition = -1;
 420 }
 421
 422 void wxWebViewIE::Reload(wxWebViewReloadFlags flags)
 423 {
 424     VARIANTARG level;
 425     VariantInit(&level);
 426     V_VT(&level) = VT_I2;
 427
 428     switch(flags)
 429     {
 430         case wxWEB_VIEW_RELOAD_DEFAULT:
 431             V_I2(&level) = REFRESH_NORMAL;
 432             break;
 433         case wxWEB_VIEW_RELOAD_NO_CACHE:
 434             V_I2(&level) = REFRESH_COMPLETELY;
 435             break;
 436         default:
 437             wxFAIL_MSG("Unexpected reload type");
 438     }
 439
 440     m_webBrowser->Refresh2(&level);
 441 }
 442
 443 bool wxWebViewIE::IsOfflineMode()
 444 {
 445     wxVariant out = m_ie.GetProperty("Offline");
 446
 447     wxASSERT(out.GetType() == "bool");
 448
 449     return out.GetBool();
 450 }
 451
 452 void wxWebViewIE::SetOfflineMode(bool offline)
 453 {
 454     // FIXME: the wxWidgets docs do not really document what the return
 455     //        parameter of PutProperty is
 456     const bool success = m_ie.PutProperty("Offline", (offline ?
 457                                                       VARIANT_TRUE :
 458                                                       VARIANT_FALSE));
 459     wxASSERT(success);
 460 }
 461
 462 bool wxWebViewIE::IsBusy()
 463 {
 464     if (m_isBusy) return true;
 465
 466     wxVariant out = m_ie.GetProperty("Busy");
 467
 468     wxASSERT(out.GetType() == "bool");
 469
 470     return out.GetBool();
 471 }
 472
 473 wxString wxWebViewIE::GetCurrentURL()
 474 {
 475     wxVariant out = m_ie.GetProperty("LocationURL");
 476
 477     wxASSERT(out.GetType() == "string");
 478     return out.GetString();
 479 }
 480
 481 wxString wxWebViewIE::GetCurrentTitle()
 482 {
 483     IHTMLDocument2* document = GetDocument();
 484     BSTR title;
 485
 486     document->get_nameProp(&title);
 487     document->Release();
 488     return wxString(title);
 489 }
 490
 491 bool wxWebViewIE::CanCut()
 492 {
 493     return CanExecCommand("Cut");
 494 }
 495
 496 bool wxWebViewIE::CanCopy()
 497 {
 498     return CanExecCommand("Copy");
 499 }
 500 bool wxWebViewIE::CanPaste()
 501 {
 502     return CanExecCommand("Paste");
 503 }
 504
 505 void wxWebViewIE::Cut()
 506 {
 507     ExecCommand("Cut");
 508 }
 509
 510 void wxWebViewIE::Copy()
 511 {
 512     ExecCommand("Copy");
 513 }
 514
 515 void wxWebViewIE::Paste()
 516 {
 517     ExecCommand("Paste");
 518 }
 519
 520 bool wxWebViewIE::CanUndo()
 521 {
 522     return CanExecCommand("Undo");
 523 }
 524 bool wxWebViewIE::CanRedo()
 525 {
 526     return CanExecCommand("Redo");
 527 }
 528
 529 void wxWebViewIE::Undo()
 530 {
 531     ExecCommand("Undo");
 532 }
 533
 534 void wxWebViewIE::Redo()
 535 {
 536     ExecCommand("Redo");
 537 }
 538
 539 void wxWebViewIE::SetEditable(bool enable)
 540 {
 541     IHTMLDocument2* document = GetDocument();
 542     if( enable )
 543         document->put_designMode(SysAllocString(L"On"));
 544     else
 545         document->put_designMode(SysAllocString(L"Off"));
 546
 547     document->Release();
 548 }
 549
 550 bool wxWebViewIE::IsEditable()
 551 {
 552     IHTMLDocument2* document = GetDocument();
 553     BSTR mode;
 554     document->get_designMode(&mode);
 555     if(wxString(mode) == "On")
 556         return true;
 557     else
 558         return false;
 559
 560     document->Release();
 561 }
 562
 563 void wxWebViewIE::SelectAll()
 564 {
 565     ExecCommand("SelectAll");
 566 }
 567
 568 bool wxWebViewIE::HasSelection()
 569 {
 570     IHTMLDocument2* document = GetDocument();
 571     IHTMLSelectionObject* selection;
 572     BSTR type;
 573     HRESULT hr = document->get_selection(&selection);
 574     if(SUCCEEDED(hr))
 575     {
 576         selection->get_type(&type);
 577         selection->Release();
 578     }
 579     document->Release();
 580     return wxString(type) != "None";
 581 }
 582
 583 void wxWebViewIE::DeleteSelection()
 584 {
 585     ExecCommand("Delete");
 586 }
 587
 588 wxString wxWebViewIE::GetSelectedText()
 589 {
 590     IHTMLDocument2* document = GetDocument();
 591     IHTMLSelectionObject* selection;
 592     wxString selected;
 593     HRESULT hr = document->get_selection(&selection);
 594     if(SUCCEEDED(hr))
 595     {
 596         IDispatch* disrange;
 597         hr = selection->createRange(&disrange);
 598         if(SUCCEEDED(hr))
 599         {
 600             IHTMLTxtRange* range;
 601             hr = disrange->QueryInterface(IID_IHTMLTxtRange, (void**)&range);
 602             if(SUCCEEDED(hr))
 603             {
 604                 BSTR text;
 605                 range->get_text(&text);
 606                 selected = wxString(text);
 607                 range->Release();
 608             }
 609             disrange->Release();
 610         }
 611         selection->Release();
 612     }
 613     document->Release();
 614     return selected;
 615 }
 616
 617 wxString wxWebViewIE::GetSelectedHTML()
 618 {
 619     IHTMLDocument2* document = GetDocument();
 620     IHTMLSelectionObject* selection;
 621     wxString selected;
 622     HRESULT hr = document->get_selection(&selection);
 623     if(SUCCEEDED(hr))
 624     {
 625         IDispatch* disrange;
 626         hr = selection->createRange(&disrange);
 627         if(SUCCEEDED(hr))
 628         {
 629             IHTMLTxtRange* range;
 630             hr = disrange->QueryInterface(IID_IHTMLTxtRange, (void**)&range);
 631             if(SUCCEEDED(hr))
 632             {
 633                 BSTR text;
 634                 range->get_htmlText(&text);
 635                 selected = wxString(text);
 636                 range->Release();
 637             }
 638             disrange->Release();
 639         }
 640         selection->Release();
 641     }
 642     document->Release();
 643     return selected;
 644 }
 645
 646 bool wxWebViewIE::CanExecCommand(wxString command)
 647 {
 648     IHTMLDocument2* document = GetDocument();
 649     VARIANT_BOOL enabled;
 650
 651     document->queryCommandEnabled(SysAllocString(command.wc_str()), &enabled);
 652     document->Release();
 653
 654     return (enabled == VARIANT_TRUE);
 655 }
 656
 657 void wxWebViewIE::ExecCommand(wxString command)
 658 {
 659     IHTMLDocument2* document = GetDocument();
 660     document->execCommand(SysAllocString(command.wc_str()), VARIANT_FALSE, VARIANT(), NULL);
 661     document->Release();
 662 }
 663
 664 IHTMLDocument2* wxWebViewIE::GetDocument()
 665 {
 666     wxVariant variant = m_ie.GetProperty("Document");
 667     IHTMLDocument2* document = (IHTMLDocument2*)variant.GetVoidPtr();
 668
 669     wxASSERT(document);
 670
 671     return document;
 672 }
 673
 674 void wxWebViewIE::onActiveXEvent(wxActiveXEvent& evt)
 675 {
 676     if (m_webBrowser == NULL) return;
 677
 678     switch (evt.GetDispatchId())
 679     {
 680         case DISPID_BEFORENAVIGATE2:
 681         {
 682             m_isBusy = true;
 683
 684             wxString url = evt[1].GetString();
 685             wxString target = evt[3].GetString();
 686
 687             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 688                                        GetId(), url, target, true);
 689             event.SetEventObject(this);
 690             HandleWindowEvent(event);
 691
 692             if (event.IsVetoed())
 693             {
 694                 wxActiveXEventNativeMSW* nativeParams =
 695                     evt.GetNativeParameters();
 696                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
 697             }
 698
 699             // at this point, either the navigation event has been cancelled
 700             // and we're not busy, either it was accepted and IWebBrowser2's
 701             // Busy property will be true; so we don't need our override
 702             // flag anymore.
 703             m_isBusy = false;
 704
 705             break;
 706         }
 707
 708         case DISPID_NAVIGATECOMPLETE2:
 709         {
 710             wxString url = evt[1].GetString();
 711             // TODO: set target parameter if possible
 712             wxString target = wxEmptyString;
 713             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 714                                        GetId(), url, target, false);
 715             event.SetEventObject(this);
 716             HandleWindowEvent(event);
 717             break;
 718         }
 719
 720         case DISPID_PROGRESSCHANGE:
 721         {
 722             // download progress
 723             break;
 724         }
 725
 726         case DISPID_DOCUMENTCOMPLETE:
 727         {
 728             //Only send a complete even if we are actually finished, this brings
 729             //the event in to line with webkit
 730             READYSTATE rs;
 731             m_webBrowser->get_ReadyState( &rs );
 732             if(rs != READYSTATE_COMPLETE)
 733                 break;
 734
 735             wxString url = evt[1].GetString();
 736
 737             //As we are complete we also add to the history list, but not if the
 738             //page is not the main page, ie it is a subframe
 739             if(m_historyEnabled && !m_historyLoadingFromList && url == GetCurrentURL())
 740             {
 741                 //If we are not at the end of the list, then erase everything
 742                 //between us and the end before adding the new page
 743                 if(m_historyPosition != static_cast<int>(m_historyList.size()) - 1)
 744                 {
 745                     m_historyList.erase(m_historyList.begin() + m_historyPosition + 1,
 746                                         m_historyList.end());
 747                 }
 748                 wxSharedPtr<wxWebHistoryItem> item(new wxWebHistoryItem(url, GetCurrentTitle()));
 749                 m_historyList.push_back(item);
 750                 m_historyPosition++;
 751             }
 752             //Reset as we are done now
 753             m_historyLoadingFromList = false;
 754             // TODO: set target parameter if possible
 755             wxString target = wxEmptyString;
 756             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED, GetId(),
 757                                        url, target, false);
 758             event.SetEventObject(this);
 759             HandleWindowEvent(event);
 760             break;
 761         }
 762
 763         case DISPID_STATUSTEXTCHANGE:
 764         {
 765             break;
 766         }
 767
 768         case DISPID_TITLECHANGE:
 769         {
 770             break;
 771         }
 772
 773         case DISPID_NAVIGATEERROR:
 774         {
 775             wxWebNavigationError errorType = wxWEB_NAV_ERR_OTHER;
 776             wxString errorCode = "?";
 777             switch (evt[3].GetLong())
 778             {
 779             case INET_E_INVALID_URL: // (0x800C0002L or -2146697214)
 780                 errorCode = "INET_E_INVALID_URL";
 781                 errorType = wxWEB_NAV_ERR_REQUEST;
 782                 break;
 783             case INET_E_NO_SESSION: // (0x800C0003L or -2146697213)
 784                 errorCode = "INET_E_NO_SESSION";
 785                 errorType = wxWEB_NAV_ERR_CONNECTION;
 786                 break;
 787             case INET_E_CANNOT_CONNECT: // (0x800C0004L or -2146697212)
 788                 errorCode = "INET_E_CANNOT_CONNECT";
 789                 errorType = wxWEB_NAV_ERR_CONNECTION;
 790                 break;
 791             case INET_E_RESOURCE_NOT_FOUND: // (0x800C0005L or -2146697211)
 792                 errorCode = "INET_E_RESOURCE_NOT_FOUND";
 793                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 794                 break;
 795             case INET_E_OBJECT_NOT_FOUND: // (0x800C0006L or -2146697210)
 796                 errorCode = "INET_E_OBJECT_NOT_FOUND";
 797                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 798                 break;
 799             case INET_E_DATA_NOT_AVAILABLE: // (0x800C0007L or -2146697209)
 800                 errorCode = "INET_E_DATA_NOT_AVAILABLE";
 801                 errorType = wxWEB_NAV_ERR_NOT_FOUND;
 802                 break;
 803             case INET_E_DOWNLOAD_FAILURE: // (0x800C0008L or -2146697208)
 804                 errorCode = "INET_E_DOWNLOAD_FAILURE";
 805                 errorType = wxWEB_NAV_ERR_CONNECTION;
 806                 break;
 807             case INET_E_AUTHENTICATION_REQUIRED: // (0x800C0009L or -2146697207)
 808                 errorCode = "INET_E_AUTHENTICATION_REQUIRED";
 809                 errorType = wxWEB_NAV_ERR_AUTH;
 810                 break;
 811             case INET_E_NO_VALID_MEDIA: // (0x800C000AL or -2146697206)
 812                 errorCode = "INET_E_NO_VALID_MEDIA";
 813                 errorType = wxWEB_NAV_ERR_REQUEST;
 814                 break;
 815             case INET_E_CONNECTION_TIMEOUT: // (0x800C000BL or -2146697205)
 816                 errorCode = "INET_E_CONNECTION_TIMEOUT";
 817                 errorType = wxWEB_NAV_ERR_CONNECTION;
 818                 break;
 819             case INET_E_INVALID_REQUEST: // (0x800C000CL or -2146697204)
 820                 errorCode = "INET_E_INVALID_REQUEST";
 821                 errorType = wxWEB_NAV_ERR_REQUEST;
 822                 break;
 823             case INET_E_UNKNOWN_PROTOCOL: // (0x800C000DL or -2146697203)
 824                 errorCode = "INET_E_UNKNOWN_PROTOCOL";
 825                 errorType = wxWEB_NAV_ERR_REQUEST;
 826                 break;
 827             case INET_E_SECURITY_PROBLEM: // (0x800C000EL or -2146697202)
 828                 errorCode = "INET_E_SECURITY_PROBLEM";
 829                 errorType = wxWEB_NAV_ERR_SECURITY;
 830                 break;
 831             case INET_E_CANNOT_LOAD_DATA: // (0x800C000FL or -2146697201)
 832                 errorCode = "INET_E_CANNOT_LOAD_DATA";
 833                 errorType = wxWEB_NAV_ERR_OTHER;
 834                 break;
 835             case INET_E_CANNOT_INSTANTIATE_OBJECT:
 836                 // CoCreateInstance will return an error code if this happens,
 837                 // we'll handle this above.
 838                 return;
 839                 break;
 840             case INET_E_REDIRECT_FAILED: // (0x800C0014L or -2146697196)
 841                 errorCode = "INET_E_REDIRECT_FAILED";
 842                 errorType = wxWEB_NAV_ERR_OTHER;
 843                 break;
 844             case INET_E_REDIRECT_TO_DIR: // (0x800C0015L or -2146697195)
 845                 errorCode = "INET_E_REDIRECT_TO_DIR";
 846                 errorType = wxWEB_NAV_ERR_REQUEST;
 847                 break;
 848             case INET_E_CANNOT_LOCK_REQUEST: // (0x800C0016L or -2146697194)
 849                 errorCode = "INET_E_CANNOT_LOCK_REQUEST";
 850                 errorType = wxWEB_NAV_ERR_OTHER;
 851                 break;
 852             case INET_E_USE_EXTEND_BINDING: // (0x800C0017L or -2146697193)
 853                 errorCode = "INET_E_USE_EXTEND_BINDING";
 854                 errorType = wxWEB_NAV_ERR_OTHER;
 855                 break;
 856             case INET_E_TERMINATED_BIND: // (0x800C0018L or -2146697192)
 857                 errorCode = "INET_E_TERMINATED_BIND";
 858                 errorType = wxWEB_NAV_ERR_OTHER;
 859                 break;
 860             case INET_E_INVALID_CERTIFICATE: // (0x800C0019L or -2146697191)
 861                 errorCode = "INET_E_INVALID_CERTIFICATE";
 862                 errorType = wxWEB_NAV_ERR_CERTIFICATE;
 863                 break;
 864             case INET_E_CODE_DOWNLOAD_DECLINED: // (0x800C0100L or -2146696960)
 865                 errorCode = "INET_E_CODE_DOWNLOAD_DECLINED";
 866                 errorType = wxWEB_NAV_ERR_USER_CANCELLED;
 867                 break;
 868             case INET_E_RESULT_DISPATCHED: // (0x800C0200L or -2146696704)
 869                 // cancel request cancelled...
 870                 errorCode = "INET_E_RESULT_DISPATCHED";
 871                 errorType = wxWEB_NAV_ERR_OTHER;
 872                 break;
 873             case INET_E_CANNOT_REPLACE_SFP_FILE: // (0x800C0300L or -2146696448)
 874                 errorCode = "INET_E_CANNOT_REPLACE_SFP_FILE";
 875                 errorType = wxWEB_NAV_ERR_SECURITY;
 876                 break;
 877             case INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY:
 878                 errorCode = "INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY";
 879                 errorType = wxWEB_NAV_ERR_SECURITY;
 880                 break;
 881             case INET_E_CODE_INSTALL_SUPPRESSED:
 882                 errorCode = "INET_E_CODE_INSTALL_SUPPRESSED";
 883                 errorType = wxWEB_NAV_ERR_SECURITY;
 884                 break;
 885             }
 886
 887             wxString url = evt[1].GetString();
 888             wxString target = evt[2].GetString();
 889             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR, GetId(),
 890                                        url, target, false);
 891             event.SetEventObject(this);
 892             event.SetInt(errorType);
 893             event.SetString(errorCode);
 894             HandleWindowEvent(event);
 895             break;
 896         }
 897
 898         case DISPID_COMMANDSTATECHANGE:
 899         {
 900             long commandId = evt[0].GetLong();
 901             bool enable = evt[1].GetBool();
 902             if (commandId == CSC_NAVIGATEBACK)
 903             {
 904                 m_canNavigateBack = enable;
 905             }
 906             else if (commandId == CSC_NAVIGATEFORWARD)
 907             {
 908                 m_canNavigateForward = enable;
 909             }
 910             break;
 911         }
 912         case DISPID_NEWWINDOW3:
 913         {
 914             wxString url = evt[4].GetString();
 915
 916             wxWebNavigationEvent event(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 917                                        GetId(), url, wxEmptyString, true);
 918             event.SetEventObject(this);
 919             HandleWindowEvent(event);
 920
 921             //If we veto the event then we cancel the new window
 922             if (event.IsVetoed())
 923             {
 924                 wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
 925                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
 926             }
 927             break;
 928         }
 929     }
 930
 931     evt.Skip();
 932 }
 933
 934 #endif