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