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, 2011 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 && 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 #include "wx/msw/registry.h"
  27 #include "wx/msw/missing.h"
  28 #include "wx/filesys.h"
  29 #include "wx/dynlib.h"
  30 #include <initguid.h>
  31 #include <wininet.h>
  32
  33 /* These GUID definitions are our own implementation to support interfaces
  34  * normally in urlmon.h. See include/wx/msw/webview_ie.h
  35  */
  36
  37 namespace {
  38
  39 DEFINE_GUID(wxIID_IInternetProtocolRoot,0x79eac9e3,0xbaf9,0x11ce,0x8c,0x82,0,0xaa,0,0x4b,0xa9,0xb);
  40 DEFINE_GUID(wxIID_IInternetProtocol,0x79eac9e4,0xbaf9,0x11ce,0x8c,0x82,0,0xaa,0,0x4b,0xa9,0xb);
  41 DEFINE_GUID(wxIID_IDocHostUIHandler, 0xbd3f23c0, 0xd43e, 0x11cf, 0x89, 0x3b, 0x00, 0xaa, 0x00, 0xbd, 0xce, 0x1a);
  42 DEFINE_GUID(wxIID_IHTMLElement2,0x3050f434,0x98b5,0x11cf,0xbb,0x82,0,0xaa,0,0xbd,0xce,0x0b);
  43 DEFINE_GUID(wxIID_IMarkupServices,0x3050f4a0,0x98b5,0x11cf,0xbb,0x82,0,0xaa,0,0xbd,0xce,0x0b);
  44 DEFINE_GUID(wxIID_IMarkupContainer,0x3050f5f9,0x98b5,0x11cf,0xbb,0x82,0,0xaa,0,0xbd,0xce,0x0b);
  45
  46 enum //Internal find flags
  47 {
  48     wxWEBVIEW_FIND_ADD_POINTERS =      0x0001,
  49     wxWEBVIEW_FIND_REMOVE_HIGHLIGHT =  0x0002
  50 };
  51
  52 }
  53
  54 //Convenience function for error conversion
  55 #define WX_ERROR_CASE(error, wxerror) \
  56         case error: \
  57             event.SetString(#error); \
  58             event.SetInt(wxerror); \
  59             break;
  60
  61 wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewIE, wxWebView);
  62
  63 BEGIN_EVENT_TABLE(wxWebViewIE, wxControl)
  64     EVT_ACTIVEX(wxID_ANY, wxWebViewIE::onActiveXEvent)
  65     EVT_ERASE_BACKGROUND(wxWebViewIE::onEraseBg)
  66 END_EVENT_TABLE()
  67
  68 bool wxWebViewIE::Create(wxWindow* parent,
  69            wxWindowID id,
  70            const wxString& url,
  71            const wxPoint& pos,
  72            const wxSize& size,
  73            long style,
  74            const wxString& name)
  75 {
  76     if (!wxControl::Create(parent, id, pos, size, style,
  77                            wxDefaultValidator, name))
  78     {
  79         return false;
  80     }
  81
  82     m_webBrowser = NULL;
  83     m_isBusy = false;
  84     m_historyLoadingFromList = false;
  85     m_historyEnabled = true;
  86     m_historyPosition = -1;
  87     m_zoomType = wxWEBVIEW_ZOOM_TYPE_TEXT;
  88     FindClear();
  89
  90     if (::CoCreateInstance(CLSID_WebBrowser, NULL,
  91                            CLSCTX_INPROC_SERVER, // CLSCTX_INPROC,
  92                            IID_IWebBrowser2 , (void**)&m_webBrowser) != 0)
  93     {
  94         wxLogError("Failed to initialize IE, CoCreateInstance returned an error");
  95         return false;
  96     }
  97
  98     m_ie.SetDispatchPtr(m_webBrowser); // wxAutomationObject will release itself
  99
 100     m_webBrowser->put_RegisterAsBrowser(VARIANT_TRUE);
 101     m_webBrowser->put_RegisterAsDropTarget(VARIANT_TRUE);
 102
 103     m_uiHandler = new DocHostUIHandler(this);
 104
 105     m_container = new wxIEContainer(this, IID_IWebBrowser2, m_webBrowser, m_uiHandler);
 106
 107     EnableControlFeature(21 /* FEATURE_DISABLE_NAVIGATION_SOUNDS */);
 108
 109     LoadURL(url);
 110     return true;
 111 }
 112
 113 wxWebViewIE::~wxWebViewIE()
 114 {
 115     wxDynamicLibrary urlMon(wxT("urlmon.dll"));
 116     if(urlMon.HasSymbol(wxT("CoInternetGetSession")))
 117     {
 118         typedef HRESULT (WINAPI *CoInternetGetSession_t)(DWORD,
 119                                                          wxIInternetSession**,
 120                                                          DWORD);
 121         wxDYNLIB_FUNCTION(CoInternetGetSession_t, CoInternetGetSession, urlMon);
 122
 123         wxIInternetSession* session;
 124         HRESULT res = (*pfnCoInternetGetSession)(0, &session, 0);
 125         if(FAILED(res))
 126         {
 127             wxFAIL_MSG("Could not retrive internet session");
 128         }
 129
 130         for(unsigned int i = 0; i < m_factories.size(); i++)
 131         {
 132             session->UnregisterNameSpace(m_factories[i],
 133                                         (m_factories[i]->GetName()).wc_str());
 134             m_factories[i]->Release();
 135         }
 136     }
 137     FindClear();
 138 }
 139
 140 void wxWebViewIE::LoadURL(const wxString& url)
 141 {
 142     m_ie.CallMethod("Navigate", wxConvertStringToOle(url));
 143 }
 144
 145 void wxWebViewIE::DoSetPage(const wxString& html, const wxString& baseUrl)
 146 {
 147     BSTR bstr = SysAllocString(OLESTR(""));
 148     SAFEARRAY *psaStrings = SafeArrayCreateVector(VT_VARIANT, 0, 1);
 149     if (psaStrings != NULL)
 150     {
 151         VARIANT *param;
 152         HRESULT hr = SafeArrayAccessData(psaStrings, (LPVOID*)&param);
 153         param->vt = VT_BSTR;
 154         param->bstrVal = bstr;
 155
 156         hr = SafeArrayUnaccessData(psaStrings);
 157
 158         wxCOMPtr<IHTMLDocument2> document(GetDocument());
 159
 160         if(!document)
 161             return;
 162
 163         document->write(psaStrings);
 164         document->close();
 165
 166         SafeArrayDestroy(psaStrings);
 167
 168         bstr = SysAllocString(html.wc_str());
 169
 170         // Creates a new one-dimensional array
 171         psaStrings = SafeArrayCreateVector(VT_VARIANT, 0, 1);
 172         if (psaStrings != NULL)
 173         {
 174             hr = SafeArrayAccessData(psaStrings, (LPVOID*)&param);
 175             param->vt = VT_BSTR;
 176             param->bstrVal = bstr;
 177             hr = SafeArrayUnaccessData(psaStrings);
 178
 179             document = GetDocument();
 180
 181             if(!document)
 182                 return;
 183
 184             document->write(psaStrings);
 185
 186             // SafeArrayDestroy calls SysFreeString for each BSTR
 187             SafeArrayDestroy(psaStrings);
 188
 189             //We send the events when we are done to mimic webkit
 190             //Navigated event
 191             wxWebViewEvent event(wxEVT_WEBVIEW_NAVIGATED,
 192                                  GetId(), baseUrl, "");
 193             event.SetEventObject(this);
 194             HandleWindowEvent(event);
 195
 196             //Document complete event
 197             event.SetEventType(wxEVT_WEBVIEW_LOADED);
 198             event.SetEventObject(this);
 199             HandleWindowEvent(event);
 200         }
 201         else
 202         {
 203             wxLogError("wxWebViewIE::SetPage() : psaStrings is NULL");
 204         }
 205     }
 206     else
 207     {
 208         wxLogError("wxWebViewIE::SetPage() : psaStrings is NULL during clear");
 209     }
 210 }
 211
 212 wxString wxWebViewIE::GetPageSource() const
 213 {
 214     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 215
 216     if(document)
 217     {
 218         wxCOMPtr<IHTMLElement> bodyTag;
 219         wxCOMPtr<IHTMLElement> htmlTag;
 220         wxString source;
 221         HRESULT hr = document->get_body(&bodyTag);
 222         if(SUCCEEDED(hr))
 223         {
 224             hr = bodyTag->get_parentElement(&htmlTag);
 225             if(SUCCEEDED(hr))
 226             {
 227                 BSTR bstr;
 228                 htmlTag->get_outerHTML(&bstr);
 229                 source = wxString(bstr);
 230             }
 231         }
 232         return source;
 233     }
 234     else
 235     {
 236         return "";
 237     }
 238 }
 239
 240 wxWebViewZoom wxWebViewIE::GetZoom() const
 241 {
 242     switch( m_zoomType )
 243     {
 244         case wxWEBVIEW_ZOOM_TYPE_LAYOUT:
 245             return GetIEOpticalZoom();
 246         case wxWEBVIEW_ZOOM_TYPE_TEXT:
 247             return GetIETextZoom();
 248         default:
 249             wxFAIL;
 250     }
 251
 252     //Dummy return to stop compiler warnings
 253     return wxWEBVIEW_ZOOM_MEDIUM;
 254
 255 }
 256
 257 void wxWebViewIE::SetZoom(wxWebViewZoom zoom)
 258 {
 259     switch( m_zoomType )
 260     {
 261         case wxWEBVIEW_ZOOM_TYPE_LAYOUT:
 262             SetIEOpticalZoom(zoom);
 263             break;
 264         case wxWEBVIEW_ZOOM_TYPE_TEXT:
 265             SetIETextZoom(zoom);
 266             break;
 267         default:
 268             wxFAIL;
 269     }
 270 }
 271
 272 void wxWebViewIE::SetIETextZoom(wxWebViewZoom level)
 273 {
 274     //We do not use OLECMDID_OPTICAL_GETZOOMRANGE as the docs say the range
 275     //is 0 to 4 so the check is unnecessary, these match exactly with the
 276     //enum values
 277     VARIANT zoomVariant;
 278     VariantInit (&zoomVariant);
 279     V_VT(&zoomVariant) = VT_I4;
 280     V_I4(&zoomVariant) = level;
 281
 282 #if wxDEBUG_LEVEL
 283     HRESULT result =
 284 #endif
 285             m_webBrowser->ExecWB(OLECMDID_ZOOM,
 286                                  OLECMDEXECOPT_DONTPROMPTUSER,
 287                                  &zoomVariant, NULL);
 288     wxASSERT(result == S_OK);
 289 }
 290
 291 wxWebViewZoom wxWebViewIE::GetIETextZoom() const
 292 {
 293     VARIANT zoomVariant;
 294     VariantInit (&zoomVariant);
 295     V_VT(&zoomVariant) = VT_I4;
 296
 297 #if wxDEBUG_LEVEL
 298     HRESULT result =
 299 #endif
 300             m_webBrowser->ExecWB(OLECMDID_ZOOM,
 301                                  OLECMDEXECOPT_DONTPROMPTUSER,
 302                                  NULL, &zoomVariant);
 303     wxASSERT(result == S_OK);
 304
 305     //We can safely cast here as we know that the range matches our enum
 306     return static_cast<wxWebViewZoom>(V_I4(&zoomVariant));
 307 }
 308
 309 void wxWebViewIE::SetIEOpticalZoom(wxWebViewZoom level)
 310 {
 311     //We do not use OLECMDID_OPTICAL_GETZOOMRANGE as the docs say the range
 312     //is 10 to 1000 so the check is unnecessary
 313     VARIANT zoomVariant;
 314     VariantInit (&zoomVariant);
 315     V_VT(&zoomVariant) = VT_I4;
 316
 317     //We make a somewhat arbitray map here, taken from values used by webkit
 318     switch(level)
 319     {
 320         case wxWEBVIEW_ZOOM_TINY:
 321             V_I4(&zoomVariant) = 60;
 322             break;
 323         case wxWEBVIEW_ZOOM_SMALL:
 324             V_I4(&zoomVariant) = 80;
 325             break;
 326         case wxWEBVIEW_ZOOM_MEDIUM:
 327             V_I4(&zoomVariant) = 100;
 328             break;
 329         case wxWEBVIEW_ZOOM_LARGE:
 330             V_I4(&zoomVariant) = 130;
 331             break;
 332         case wxWEBVIEW_ZOOM_LARGEST:
 333             V_I4(&zoomVariant) = 160;
 334             break;
 335         default:
 336             wxFAIL;
 337     }
 338
 339 #if wxDEBUG_LEVEL
 340     HRESULT result =
 341 #endif
 342             m_webBrowser->ExecWB((OLECMDID)63 /*OLECMDID_OPTICAL_ZOOM*/,
 343                                  OLECMDEXECOPT_DODEFAULT,
 344                                  &zoomVariant,
 345                                  NULL);
 346     wxASSERT(result == S_OK);
 347 }
 348
 349 wxWebViewZoom wxWebViewIE::GetIEOpticalZoom() const
 350 {
 351     VARIANT zoomVariant;
 352     VariantInit (&zoomVariant);
 353     V_VT(&zoomVariant) = VT_I4;
 354
 355 #if wxDEBUG_LEVEL
 356     HRESULT result =
 357 #endif
 358             m_webBrowser->ExecWB((OLECMDID)63 /*OLECMDID_OPTICAL_ZOOM*/,
 359                                  OLECMDEXECOPT_DODEFAULT, NULL,
 360                                  &zoomVariant);
 361     wxASSERT(result == S_OK);
 362
 363     const int zoom = V_I4(&zoomVariant);
 364
 365     //We make a somewhat arbitray map here, taken from values used by webkit
 366     if (zoom <= 65)
 367     {
 368         return wxWEBVIEW_ZOOM_TINY;
 369     }
 370     else if (zoom > 65 && zoom <= 90)
 371     {
 372         return wxWEBVIEW_ZOOM_SMALL;
 373     }
 374     else if (zoom > 90 && zoom <= 115)
 375     {
 376         return wxWEBVIEW_ZOOM_MEDIUM;
 377     }
 378     else if (zoom > 115 && zoom <= 145)
 379     {
 380         return wxWEBVIEW_ZOOM_LARGE;
 381     }
 382     else /*if (zoom > 145) */ //Using else removes a compiler warning
 383     {
 384         return wxWEBVIEW_ZOOM_LARGEST;
 385     }
 386 }
 387
 388 void wxWebViewIE::SetZoomType(wxWebViewZoomType type)
 389 {
 390     m_zoomType = type;
 391 }
 392
 393 wxWebViewZoomType wxWebViewIE::GetZoomType() const
 394 {
 395     return m_zoomType;
 396 }
 397
 398 bool wxWebViewIE::CanSetZoomType(wxWebViewZoomType type) const
 399 {
 400     //IE 6 and below only support text zoom, so check the registry to see what
 401     //version we actually have
 402     wxRegKey key(wxRegKey::HKLM, "Software\\Microsoft\\Internet Explorer");
 403     wxString value;
 404     key.QueryValue("Version", value);
 405
 406     long version = wxAtoi(value.Left(1));
 407     if(version <= 6 && type == wxWEBVIEW_ZOOM_TYPE_LAYOUT)
 408         return false;
 409     else
 410         return true;
 411 }
 412
 413 void wxWebViewIE::Print()
 414 {
 415     m_webBrowser->ExecWB(OLECMDID_PRINTPREVIEW,
 416                          OLECMDEXECOPT_DODEFAULT, NULL, NULL);
 417 }
 418
 419 bool wxWebViewIE::CanGoBack() const
 420 {
 421     if(m_historyEnabled)
 422         return m_historyPosition > 0;
 423     else
 424         return false;
 425 }
 426
 427 bool wxWebViewIE::CanGoForward() const
 428 {
 429     if(m_historyEnabled)
 430         return m_historyPosition != static_cast<int>(m_historyList.size()) - 1;
 431     else
 432         return false;
 433 }
 434
 435 void wxWebViewIE::LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item)
 436 {
 437     int pos = -1;
 438     for(unsigned int i = 0; i < m_historyList.size(); i++)
 439     {
 440         //We compare the actual pointers to find the correct item
 441         if(m_historyList[i].get() == item.get())
 442             pos = i;
 443     }
 444     wxASSERT_MSG(pos != static_cast<int>(m_historyList.size()),
 445                  "invalid history item");
 446     m_historyLoadingFromList = true;
 447     LoadURL(item->GetUrl());
 448     m_historyPosition = pos;
 449 }
 450
 451 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewIE::GetBackwardHistory()
 452 {
 453     wxVector<wxSharedPtr<wxWebViewHistoryItem> > backhist;
 454     //As we don't have std::copy or an iterator constructor in the wxwidgets
 455     //native vector we construct it by hand
 456     for(int i = 0; i < m_historyPosition; i++)
 457     {
 458         backhist.push_back(m_historyList[i]);
 459     }
 460     return backhist;
 461 }
 462
 463 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewIE::GetForwardHistory()
 464 {
 465     wxVector<wxSharedPtr<wxWebViewHistoryItem> > forwardhist;
 466     //As we don't have std::copy or an iterator constructor in the wxwidgets
 467     //native vector we construct it by hand
 468     for(int i = m_historyPosition + 1; i < static_cast<int>(m_historyList.size()); i++)
 469     {
 470         forwardhist.push_back(m_historyList[i]);
 471     }
 472     return forwardhist;
 473 }
 474
 475 void wxWebViewIE::GoBack()
 476 {
 477     LoadHistoryItem(m_historyList[m_historyPosition - 1]);
 478 }
 479
 480 void wxWebViewIE::GoForward()
 481 {
 482     LoadHistoryItem(m_historyList[m_historyPosition + 1]);
 483 }
 484
 485 void wxWebViewIE::Stop()
 486 {
 487     m_ie.CallMethod("Stop");
 488 }
 489
 490 void wxWebViewIE::ClearHistory()
 491 {
 492     m_historyList.clear();
 493     m_historyPosition = -1;
 494 }
 495
 496 void wxWebViewIE::EnableHistory(bool enable)
 497 {
 498     m_historyEnabled = enable;
 499     m_historyList.clear();
 500     m_historyPosition = -1;
 501 }
 502
 503 void wxWebViewIE::Reload(wxWebViewReloadFlags flags)
 504 {
 505     VARIANTARG level;
 506     VariantInit(&level);
 507     V_VT(&level) = VT_I2;
 508
 509     switch(flags)
 510     {
 511         case wxWEBVIEW_RELOAD_DEFAULT:
 512             V_I2(&level) = REFRESH_NORMAL;
 513             break;
 514         case wxWEBVIEW_RELOAD_NO_CACHE:
 515             V_I2(&level) = REFRESH_COMPLETELY;
 516             break;
 517         default:
 518             wxFAIL_MSG("Unexpected reload type");
 519     }
 520
 521     m_webBrowser->Refresh2(&level);
 522 }
 523
 524 bool wxWebViewIE::IsOfflineMode()
 525 {
 526     wxVariant out = m_ie.GetProperty("Offline");
 527
 528     wxASSERT(out.GetType() == "bool");
 529
 530     return out.GetBool();
 531 }
 532
 533 void wxWebViewIE::SetOfflineMode(bool offline)
 534 {
 535     // FIXME: the wxWidgets docs do not really document what the return
 536     //        parameter of PutProperty is
 537 #if wxDEBUG_LEVEL
 538     const bool success =
 539 #endif
 540             m_ie.PutProperty("Offline", (offline ?
 541                                          VARIANT_TRUE :
 542                                          VARIANT_FALSE));
 543     wxASSERT(success);
 544 }
 545
 546 bool wxWebViewIE::IsBusy() const
 547 {
 548     if (m_isBusy) return true;
 549
 550     wxVariant out = m_ie.GetProperty("Busy");
 551
 552     wxASSERT(out.GetType() == "bool");
 553
 554     return out.GetBool();
 555 }
 556
 557 wxString wxWebViewIE::GetCurrentURL() const
 558 {
 559     wxVariant out = m_ie.GetProperty("LocationURL");
 560
 561     wxASSERT(out.GetType() == "string");
 562     return out.GetString();
 563 }
 564
 565 wxString wxWebViewIE::GetCurrentTitle() const
 566 {
 567     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 568
 569     if(document)
 570     {
 571         BSTR title;
 572         document->get_nameProp(&title);
 573         return wxString(title);
 574     }
 575     else
 576     {
 577         return "";
 578     }
 579 }
 580
 581 bool wxWebViewIE::CanCut() const
 582 {
 583     return CanExecCommand("Cut");
 584 }
 585
 586 bool wxWebViewIE::CanCopy() const
 587 {
 588     return CanExecCommand("Copy");
 589 }
 590
 591 bool wxWebViewIE::CanPaste() const
 592 {
 593     return CanExecCommand("Paste");
 594 }
 595
 596 void wxWebViewIE::Cut()
 597 {
 598     ExecCommand("Cut");
 599 }
 600
 601 void wxWebViewIE::Copy()
 602 {
 603     ExecCommand("Copy");
 604 }
 605
 606 void wxWebViewIE::Paste()
 607 {
 608     ExecCommand("Paste");
 609 }
 610
 611 bool wxWebViewIE::CanUndo() const
 612 {
 613     return CanExecCommand("Undo");
 614 }
 615
 616 bool wxWebViewIE::CanRedo() const
 617 {
 618     return CanExecCommand("Redo");
 619 }
 620
 621 void wxWebViewIE::Undo()
 622 {
 623     ExecCommand("Undo");
 624 }
 625
 626 void wxWebViewIE::Redo()
 627 {
 628     ExecCommand("Redo");
 629 }
 630
 631 long wxWebViewIE::Find(const wxString& text, int flags)
 632 {
 633     //If the text is empty then we clear.
 634     if(text.IsEmpty())
 635     {
 636         ClearSelection();
 637         if(m_findFlags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT)
 638         {
 639             FindInternal(m_findText, (m_findFlags &~ wxWEBVIEW_FIND_HIGHLIGHT_RESULT), wxWEBVIEW_FIND_REMOVE_HIGHLIGHT);
 640         }
 641         FindClear();
 642         return wxNOT_FOUND;
 643     }
 644     //Have we done this search before?
 645     if(m_findText == text)
 646     {
 647         //Just do a highlight?
 648         if((flags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT) != (m_findFlags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT))
 649         {
 650             m_findFlags = flags;
 651             if(!m_findPointers.empty())
 652             {
 653                 FindInternal(m_findText, m_findFlags, ((flags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT) == 0 ? wxWEBVIEW_FIND_REMOVE_HIGHLIGHT : 0));
 654             }
 655             return m_findPosition;
 656         }
 657         else if(((m_findFlags & wxWEBVIEW_FIND_ENTIRE_WORD) == (flags & wxWEBVIEW_FIND_ENTIRE_WORD)) && ((m_findFlags & wxWEBVIEW_FIND_MATCH_CASE) == (flags&wxWEBVIEW_FIND_MATCH_CASE)))
 658         {
 659             m_findFlags = flags;
 660             return FindNext(((flags & wxWEBVIEW_FIND_BACKWARDS) ? -1 : 1));
 661         }
 662     }
 663     //Remove old highlight if any.
 664     if(m_findFlags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT)
 665     {
 666         FindInternal(m_findText, (m_findFlags &~ wxWEBVIEW_FIND_HIGHLIGHT_RESULT), wxWEBVIEW_FIND_REMOVE_HIGHLIGHT);
 667     }
 668     //Reset find variables.
 669     FindClear();
 670     ClearSelection();
 671     m_findText = text;
 672     m_findFlags = flags;
 673     //find the text and return count.
 674     FindInternal(text, flags, wxWEBVIEW_FIND_ADD_POINTERS);
 675     return m_findPointers.empty() ? wxNOT_FOUND : m_findPointers.size();
 676 }
 677
 678 void wxWebViewIE::SetEditable(bool enable)
 679 {
 680     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 681
 682     if(document)
 683     {
 684         if( enable )
 685             document->put_designMode(SysAllocString(L"On"));
 686         else
 687             document->put_designMode(SysAllocString(L"Off"));
 688
 689     }
 690 }
 691
 692 bool wxWebViewIE::IsEditable() const
 693 {
 694     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 695
 696     if(document)
 697     {
 698         BSTR mode;
 699         document->get_designMode(&mode);
 700         if(wxString(mode) == "On")
 701             return true;
 702         else
 703             return false;
 704     }
 705     else
 706     {
 707         return false;
 708     }
 709 }
 710
 711 void wxWebViewIE::SelectAll()
 712 {
 713     ExecCommand("SelectAll");
 714 }
 715
 716 bool wxWebViewIE::HasSelection() const
 717 {
 718     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 719
 720     if(document)
 721     {
 722         wxCOMPtr<IHTMLSelectionObject> selection;
 723         wxString sel;
 724         HRESULT hr = document->get_selection(&selection);
 725         if(SUCCEEDED(hr))
 726         {
 727             BSTR type;
 728             selection->get_type(&type);
 729             sel = wxString(type);
 730         }
 731         return sel != "None";
 732     }
 733     else
 734     {
 735         return false;
 736     }
 737 }
 738
 739 void wxWebViewIE::DeleteSelection()
 740 {
 741     ExecCommand("Delete");
 742 }
 743
 744 wxString wxWebViewIE::GetSelectedText() const
 745 {
 746     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 747
 748     if(document)
 749     {
 750         wxCOMPtr<IHTMLSelectionObject> selection;
 751         wxString selected;
 752         HRESULT hr = document->get_selection(&selection);
 753         if(SUCCEEDED(hr))
 754         {
 755             wxCOMPtr<IDispatch> disrange;
 756             hr = selection->createRange(&disrange);
 757             if(SUCCEEDED(hr))
 758             {
 759                 wxCOMPtr<IHTMLTxtRange> range;
 760                 hr = disrange->QueryInterface(IID_IHTMLTxtRange, (void**)&range);
 761                 if(SUCCEEDED(hr))
 762                 {
 763                     BSTR text;
 764                     range->get_text(&text);
 765                     selected = wxString(text);
 766                 }
 767             }
 768         }
 769         return selected;
 770     }
 771     else
 772     {
 773         return "";
 774     }
 775 }
 776
 777 wxString wxWebViewIE::GetSelectedSource() const
 778 {
 779     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 780
 781     if(document)
 782     {
 783         wxCOMPtr<IHTMLSelectionObject> selection;
 784         wxString selected;
 785         HRESULT hr = document->get_selection(&selection);
 786         if(SUCCEEDED(hr))
 787         {
 788             wxCOMPtr<IDispatch> disrange;
 789             hr = selection->createRange(&disrange);
 790             if(SUCCEEDED(hr))
 791             {
 792                 wxCOMPtr<IHTMLTxtRange> range;
 793                 hr = disrange->QueryInterface(IID_IHTMLTxtRange, (void**)&range);
 794                 if(SUCCEEDED(hr))
 795                 {
 796                     BSTR text;
 797                     range->get_htmlText(&text);
 798                     selected = wxString(text);
 799                 }
 800             }
 801         }
 802         return selected;
 803     }
 804     else
 805     {
 806         return "";
 807     }
 808 }
 809
 810 void wxWebViewIE::ClearSelection()
 811 {
 812     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 813
 814     if(document)
 815     {
 816         wxCOMPtr<IHTMLSelectionObject> selection;
 817         wxString selected;
 818         HRESULT hr = document->get_selection(&selection);
 819         if(SUCCEEDED(hr))
 820         {
 821             selection->empty();
 822         }
 823     }
 824 }
 825
 826 wxString wxWebViewIE::GetPageText() const
 827 {
 828     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 829
 830     if(document)
 831     {
 832         wxString text;
 833         wxCOMPtr<IHTMLElement> body;
 834         HRESULT hr = document->get_body(&body);
 835         if(SUCCEEDED(hr))
 836         {
 837             BSTR out;
 838             body->get_innerText(&out);
 839             text = wxString(out);
 840         }
 841         return text;
 842     }
 843     else
 844     {
 845         return "";
 846     }
 847 }
 848
 849 void wxWebViewIE::RunScript(const wxString& javascript)
 850 {
 851     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 852
 853     if(document)
 854     {
 855         wxCOMPtr<IHTMLWindow2> window;
 856         wxString language = "javascript";
 857         HRESULT hr = document->get_parentWindow(&window);
 858         if(SUCCEEDED(hr))
 859         {
 860             VARIANT level;
 861             VariantInit(&level);
 862             V_VT(&level) = VT_EMPTY;
 863             window->execScript(SysAllocString(javascript.wc_str()),
 864                                SysAllocString(language.wc_str()),
 865                                &level);
 866         }
 867     }
 868 }
 869
 870 void wxWebViewIE::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
 871 {
 872     wxDynamicLibrary urlMon(wxT("urlmon.dll"));
 873     if(urlMon.HasSymbol(wxT("CoInternetGetSession")))
 874     {
 875         typedef HRESULT (WINAPI *CoInternetGetSession_t)(DWORD, wxIInternetSession**, DWORD);
 876         wxDYNLIB_FUNCTION(CoInternetGetSession_t, CoInternetGetSession, urlMon);
 877
 878         ClassFactory* cf = new ClassFactory(handler);
 879         wxIInternetSession* session;
 880         HRESULT res = (*pfnCoInternetGetSession)(0, &session, 0);
 881         if(FAILED(res))
 882         {
 883             wxFAIL_MSG("Could not retrive internet session");
 884         }
 885
 886         HRESULT hr = session->RegisterNameSpace(cf, CLSID_FileProtocol,
 887                                                 handler->GetName().wc_str(),
 888                                                 0, NULL, 0);
 889         if(FAILED(hr))
 890         {
 891             wxFAIL_MSG("Could not register protocol");
 892         }
 893         m_factories.push_back(cf);
 894     }
 895     else
 896     {
 897         wxFAIL_MSG("urlmon does not contain CoInternetGetSession");
 898     }
 899 }
 900
 901 bool wxWebViewIE::CanExecCommand(wxString command) const
 902 {
 903     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 904
 905     if(document)
 906     {
 907         VARIANT_BOOL enabled;
 908
 909         document->queryCommandEnabled(SysAllocString(command.wc_str()), &enabled);
 910
 911         return (enabled == VARIANT_TRUE);
 912     }
 913     else
 914     {
 915         return false;
 916     }
 917
 918 }
 919
 920 void wxWebViewIE::ExecCommand(wxString command)
 921 {
 922     wxCOMPtr<IHTMLDocument2> document(GetDocument());
 923
 924     if(document)
 925     {
 926         document->execCommand(SysAllocString(command.wc_str()), VARIANT_FALSE, VARIANT(), NULL);
 927     }
 928 }
 929
 930 wxCOMPtr<IHTMLDocument2> wxWebViewIE::GetDocument() const
 931 {
 932     wxCOMPtr<IDispatch> dispatch;
 933     wxCOMPtr<IHTMLDocument2> document;
 934     HRESULT result = m_webBrowser->get_Document(&dispatch);
 935     if(dispatch && SUCCEEDED(result))
 936     {
 937         //document is set to null automatically if the interface isn't supported
 938         dispatch->QueryInterface(IID_IHTMLDocument2, (void**)&document);
 939     }
 940     return document;
 941 }
 942
 943 bool wxWebViewIE::IsElementVisible(IHTMLElement* elm)
 944 {
 945     wxIHTMLCurrentStyle* style;
 946     IHTMLElement *elm1 = elm;
 947     wxIHTMLElement2 *elm2;
 948     BSTR tmp_bstr;
 949     bool is_visible = true;
 950     //This method is not perfect but it does discover most of the hidden elements.
 951     //so if a better solution is found, then please do improve.
 952     while(elm1)
 953     {
 954         if(SUCCEEDED(elm1->QueryInterface(wxIID_IHTMLElement2, (void**) &elm2)))
 955         {
 956             if(SUCCEEDED(elm2->get_currentStyle(&style)))
 957             {
 958                 //Check if the object has the style display:none.
 959                 if((style->get_display(&tmp_bstr) != S_OK) ||
 960                    (tmp_bstr != NULL && (_wcsicmp(tmp_bstr, L"none") == 0)))
 961                 {
 962                     is_visible = false;
 963                 }
 964                 //Check if the object has the style visibility:hidden.
 965                 if((is_visible && (style->get_visibility(&tmp_bstr) != S_OK)) ||
 966                   (tmp_bstr != NULL && _wcsicmp(tmp_bstr, L"hidden") == 0))
 967                 {
 968                     is_visible = false;
 969                 }
 970                 style->Release();
 971             }
 972             elm2->Release();
 973         }
 974
 975         //Lets check the object's parent element.
 976         IHTMLElement* parent;
 977         if(is_visible && SUCCEEDED(elm1->get_parentElement(&parent)))
 978         {
 979             elm1->Release();
 980             elm1 = parent;
 981         }
 982         else
 983         {
 984             elm1->Release();
 985             break;
 986         }
 987     }
 988     return is_visible;
 989 }
 990
 991 void wxWebViewIE::FindInternal(const wxString& text, int flags, int internal_flag)
 992 {
 993     wxIMarkupServices *pIMS;
 994     wxIMarkupContainer *pIMC;
 995     wxIMarkupPointer *ptrBegin, *ptrEnd;
 996     IHTMLElement* elm;
 997     long find_flag = 0;
 998     IHTMLDocument2 *document = GetDocument();
 999     //This function does the acutal work.
1000     if(SUCCEEDED(document->QueryInterface(wxIID_IMarkupServices, (void **)&pIMS)))
1001     {
1002         if(SUCCEEDED(document->QueryInterface(wxIID_IMarkupContainer, (void **)&pIMC)))
1003         {
1004             BSTR attr_bstr = SysAllocString(L"style=\"background-color:#ffff00\"");
1005             BSTR text_bstr = SysAllocString(text.wc_str());
1006             pIMS->CreateMarkupPointer(&ptrBegin);
1007             pIMS->CreateMarkupPointer(&ptrEnd);
1008
1009             ptrBegin->SetGravity(wxPOINTER_GRAVITY_Right);
1010             ptrBegin->MoveToContainer(pIMC, TRUE);
1011             //Create the find flag from the wx one.
1012             if(flags & wxWEBVIEW_FIND_ENTIRE_WORD)
1013             {
1014                 find_flag |= wxFINDTEXT_WHOLEWORD;
1015             }
1016             if(flags & wxWEBVIEW_FIND_MATCH_CASE)
1017             {
1018                 find_flag |= wxFINDTEXT_MATCHCASE;
1019             }
1020
1021             //A little speed-up to avoid to re-alloc in the positions vector.
1022             if(text.Len() < 3 && m_findPointers.capacity() < 500)
1023             {
1024                m_findPointers.reserve(text.Len() == 1 ? 1000 : 500);
1025             }
1026
1027             while(ptrBegin->FindText(text_bstr, find_flag, ptrEnd, NULL) == S_OK)
1028             {
1029                 if(ptrBegin->CurrentScope(&elm) == S_OK)
1030                 {
1031                     if(IsElementVisible(elm))
1032                     {
1033                         //Highlight the word if the flag was set.
1034                         if(flags & wxWEBVIEW_FIND_HIGHLIGHT_RESULT)
1035                         {
1036                             IHTMLElement* pFontEl;
1037                             pIMS->CreateElement(wxTAGID_FONT, attr_bstr, &pFontEl);
1038                             pIMS->InsertElement(pFontEl, ptrBegin, ptrEnd);
1039                         }
1040                         if(internal_flag & wxWEBVIEW_FIND_REMOVE_HIGHLIGHT)
1041                         {
1042                             IHTMLElement* pFontEl;
1043                             ptrBegin->CurrentScope(&pFontEl);
1044                             pIMS->RemoveElement(pFontEl);
1045                             pFontEl->Release();
1046                         }
1047                         if(internal_flag & wxWEBVIEW_FIND_ADD_POINTERS)
1048                         {
1049                             wxIMarkupPointer *cptrBegin, *cptrEnd;
1050                             pIMS->CreateMarkupPointer(&cptrBegin);
1051                             pIMS->CreateMarkupPointer(&cptrEnd);
1052                             cptrBegin->MoveToPointer(ptrBegin);
1053                             cptrEnd->MoveToPointer(ptrEnd);
1054                             m_findPointers.push_back(wxFindPointers(cptrBegin,cptrEnd));
1055                         }
1056                     }
1057                     elm->Release();
1058                 }
1059                 ptrBegin->MoveToPointer(ptrEnd);
1060             }
1061             //Clean up.
1062             SysFreeString(text_bstr);
1063             SysFreeString(attr_bstr);
1064             pIMC->Release();
1065             ptrBegin->Release();
1066             ptrEnd->Release();
1067         }
1068         pIMS->Release();
1069     }
1070     document->Release();
1071 }
1072
1073 long wxWebViewIE::FindNext(int direction)
1074 {
1075     //Don't bother if we have no pointers set.
1076     if(m_findPointers.empty())
1077     {
1078         return wxNOT_FOUND;
1079     }
1080     //Manage the find position and do some checks.
1081     if(direction > 0)
1082     {
1083         m_findPosition++;
1084     }
1085     else
1086     {
1087         m_findPosition--;
1088     }
1089
1090     if(m_findPosition >= (signed)m_findPointers.size())
1091     {
1092         if(m_findFlags & wxWEBVIEW_FIND_WRAP)
1093         {
1094             m_findPosition = 0;
1095         }
1096         else
1097         {
1098             m_findPosition--;
1099             return wxNOT_FOUND;
1100         }
1101     }
1102     else if(m_findPosition < 0)
1103     {
1104         if(m_findFlags & wxWEBVIEW_FIND_WRAP)
1105         {
1106             m_findPosition = m_findPointers.size()-1;
1107         }
1108         else
1109         {
1110             m_findPosition++;
1111             return wxNOT_FOUND;
1112         }
1113     }
1114     //some variables to use later on.
1115     IHTMLElement *body_element;
1116     IHTMLBodyElement *body;
1117     wxIHTMLTxtRange *range = NULL;
1118     wxIMarkupServices *pIMS;
1119     IHTMLDocument2 *document = GetDocument();
1120     long ret = -1;
1121     //Now try to create a range from the body.
1122     if(SUCCEEDED(document->get_body(&body_element)))
1123     {
1124         if(SUCCEEDED(body_element->QueryInterface(IID_IHTMLBodyElement,(void**)&body)))
1125         {
1126             if(SUCCEEDED(body->createTextRange((IHTMLTxtRange**)(&range))))
1127             {
1128                 //So far so good, now we try to position our find pointers.
1129                 if(SUCCEEDED(document->QueryInterface(wxIID_IMarkupServices,(void **)&pIMS)))
1130                 {
1131                     wxIMarkupPointer *begin = m_findPointers[m_findPosition].begin, *end = m_findPointers[m_findPosition].end;
1132                     if(pIMS->MoveRangeToPointers(begin,end,range) == S_OK && range->select() == S_OK)
1133                     {
1134                         ret = m_findPosition;
1135                     }
1136                     pIMS->Release();
1137                 }
1138                 range->Release();
1139             }
1140             body->Release();
1141         }
1142         body_element->Release();
1143     }
1144     document->Release();
1145     return ret;
1146 }
1147
1148 void wxWebViewIE::FindClear()
1149 {
1150     //Reset find variables.
1151     m_findText.Empty();
1152     m_findFlags = wxWEBVIEW_FIND_DEFAULT;
1153     m_findPosition = -1;
1154
1155     //The m_findPointers contains pointers for the found text.
1156     //Since it uses ref counting we call release on the pointers first
1157     //before we remove them from the vector. In other words do not just
1158     //remove elements from m_findPointers without calling release first
1159     //or you will get a memory leak.
1160     size_t count = m_findPointers.size();
1161     for(size_t i = 0; i < count; i++)
1162     {
1163         m_findPointers[i].begin->Release();
1164         m_findPointers[i].end->Release();
1165     }
1166     m_findPointers.clear();
1167 }
1168
1169 bool wxWebViewIE::EnableControlFeature(long flag, bool enable)
1170 {
1171 #if wxUSE_DYNLIB_CLASS
1172
1173     wxDynamicLibrary urlMon(wxT("urlmon.dll"));
1174     if( urlMon.IsLoaded() &&
1175         urlMon.HasSymbol("CoInternetSetFeatureEnabled") &&
1176         urlMon.HasSymbol("CoInternetIsFeatureEnabled"))
1177     {
1178         typedef HRESULT (WINAPI *CoInternetSetFeatureEnabled_t)(DWORD, DWORD, BOOL);
1179         typedef HRESULT (WINAPI *CoInternetIsFeatureEnabled_t)(DWORD, DWORD);
1180
1181         wxDYNLIB_FUNCTION(CoInternetSetFeatureEnabled_t, CoInternetSetFeatureEnabled, urlMon);
1182         wxDYNLIB_FUNCTION(CoInternetIsFeatureEnabled_t, CoInternetIsFeatureEnabled, urlMon);
1183
1184         HRESULT hr = (*pfnCoInternetIsFeatureEnabled)(flag,
1185                                                       0x2 /* SET_FEATURE_ON_PROCESS */);
1186         if((hr == S_OK && enable) || (hr == S_FALSE && !enable))
1187             return true;
1188
1189         hr = (*pfnCoInternetSetFeatureEnabled)(flag,
1190                                                0x2/* SET_FEATURE_ON_PROCESS */,
1191                                                (enable ? TRUE : FALSE));
1192         if ( FAILED(hr) )
1193         {
1194             wxLogApiError(wxT("CoInternetSetFeatureEnabled"), hr);
1195             return false;
1196         }
1197         return true;
1198     }
1199     return false;
1200 #else
1201     wxUnusedVar(flag);
1202     wxUnusedVar(enable);
1203     return false;
1204 #endif // wxUSE_DYNLIB_CLASS/!wxUSE_DYNLIB_CLASS
1205 }
1206
1207 void wxWebViewIE::onActiveXEvent(wxActiveXEvent& evt)
1208 {
1209     if (m_webBrowser == NULL) return;
1210
1211     switch (evt.GetDispatchId())
1212     {
1213         case DISPID_BEFORENAVIGATE2:
1214         {
1215             m_isBusy = true;
1216
1217             wxString url = evt[1].GetString();
1218             wxString target = evt[3].GetString();
1219
1220             wxWebViewEvent event(wxEVT_WEBVIEW_NAVIGATING,
1221                                  GetId(), url, target);
1222
1223             //skip empty javascript events.
1224             if(url == "javascript:\"\"" && target.IsEmpty())
1225             {
1226                 event.Veto();
1227             }
1228             else
1229             {
1230                 event.SetEventObject(this);
1231                 HandleWindowEvent(event);
1232             }
1233
1234             if (!event.IsAllowed())
1235             {
1236                 wxActiveXEventNativeMSW* nativeParams =
1237                     evt.GetNativeParameters();
1238                 *V_BOOLREF(&nativeParams->pDispParams->rgvarg[0]) = VARIANT_TRUE;
1239             }
1240
1241             // at this point, either the navigation event has been cancelled
1242             // and we're not busy, either it was accepted and IWebBrowser2's
1243             // Busy property will be true; so we don't need our override
1244             // flag anymore.
1245             m_isBusy = false;
1246
1247             break;
1248         }
1249
1250         case DISPID_NAVIGATECOMPLETE2:
1251         {
1252             wxString url = evt[1].GetString();
1253             // TODO: set target parameter if possible
1254             wxString target = wxEmptyString;
1255             wxWebViewEvent event(wxEVT_WEBVIEW_NAVIGATED,
1256                                  GetId(), url, target);
1257             event.SetEventObject(this);
1258             HandleWindowEvent(event);
1259             break;
1260         }
1261
1262         case DISPID_PROGRESSCHANGE:
1263         {
1264             // download progress
1265             break;
1266         }
1267
1268         case DISPID_DOCUMENTCOMPLETE:
1269         {
1270             //Only send a complete even if we are actually finished, this brings
1271             //the event in to line with webkit
1272             READYSTATE rs;
1273             m_webBrowser->get_ReadyState( &rs );
1274             if(rs != READYSTATE_COMPLETE)
1275                 break;
1276
1277             wxString url = evt[1].GetString();
1278
1279             //As we are complete we also add to the history list, but not if the
1280             //page is not the main page, ie it is a subframe
1281             //We also have to check if we are loading a file:// url, if so we
1282             //need to change the comparison as ie passes back a different style
1283             //of url
1284             if(m_historyEnabled && !m_historyLoadingFromList &&
1285               (url == GetCurrentURL() ||
1286               (GetCurrentURL().substr(0, 4) == "file" &&
1287                wxFileSystem::URLToFileName(GetCurrentURL()).GetFullPath() == url)))
1288             {
1289                 //If we are not at the end of the list, then erase everything
1290                 //between us and the end before adding the new page
1291                 if(m_historyPosition != static_cast<int>(m_historyList.size()) - 1)
1292                 {
1293                     m_historyList.erase(m_historyList.begin() + m_historyPosition + 1,
1294                                         m_historyList.end());
1295                 }
1296                 wxSharedPtr<wxWebViewHistoryItem> item(new wxWebViewHistoryItem(url, GetCurrentTitle()));
1297                 m_historyList.push_back(item);
1298                 m_historyPosition++;
1299             }
1300             //Reset as we are done now
1301             m_historyLoadingFromList = false;
1302             //Reset the find values.
1303             FindClear();
1304             // TODO: set target parameter if possible
1305             wxString target = wxEmptyString;
1306             wxWebViewEvent event(wxEVT_WEBVIEW_LOADED, GetId(),
1307                                  url, target);
1308             event.SetEventObject(this);
1309             HandleWindowEvent(event);
1310             break;
1311         }
1312
1313         case DISPID_STATUSTEXTCHANGE:
1314         {
1315             break;
1316         }
1317
1318         case DISPID_TITLECHANGE:
1319         {
1320             wxString title = evt[0].GetString();
1321
1322             wxWebViewEvent event(wxEVT_WEBVIEW_TITLE_CHANGED,
1323                                  GetId(), GetCurrentURL(), "");
1324             event.SetString(title);
1325             event.SetEventObject(this);
1326             HandleWindowEvent(event);
1327             break;
1328         }
1329
1330         case DISPID_NAVIGATEERROR:
1331         {
1332             wxWebViewEvent event(wxEVT_WEBVIEW_ERROR, GetId(),
1333                                  evt[1].GetString(), evt[2].GetString());
1334             event.SetEventObject(this);
1335
1336             switch (evt[3].GetLong())
1337             {
1338                 // 400 Error codes
1339                 WX_ERROR_CASE(HTTP_STATUS_BAD_REQUEST, wxWEBVIEW_NAV_ERR_REQUEST)
1340                 WX_ERROR_CASE(HTTP_STATUS_DENIED, wxWEBVIEW_NAV_ERR_AUTH)
1341                 WX_ERROR_CASE(HTTP_STATUS_PAYMENT_REQ, wxWEBVIEW_NAV_ERR_OTHER)
1342                 WX_ERROR_CASE(HTTP_STATUS_FORBIDDEN, wxWEBVIEW_NAV_ERR_AUTH)
1343                 WX_ERROR_CASE(HTTP_STATUS_NOT_FOUND, wxWEBVIEW_NAV_ERR_NOT_FOUND)
1344                 WX_ERROR_CASE(HTTP_STATUS_BAD_METHOD, wxWEBVIEW_NAV_ERR_REQUEST)
1345                 WX_ERROR_CASE(HTTP_STATUS_NONE_ACCEPTABLE, wxWEBVIEW_NAV_ERR_OTHER)
1346                 WX_ERROR_CASE(HTTP_STATUS_PROXY_AUTH_REQ, wxWEBVIEW_NAV_ERR_AUTH)
1347                 WX_ERROR_CASE(HTTP_STATUS_REQUEST_TIMEOUT, wxWEBVIEW_NAV_ERR_CONNECTION)
1348                 WX_ERROR_CASE(HTTP_STATUS_CONFLICT, wxWEBVIEW_NAV_ERR_REQUEST)
1349                 WX_ERROR_CASE(HTTP_STATUS_GONE, wxWEBVIEW_NAV_ERR_NOT_FOUND)
1350                 WX_ERROR_CASE(HTTP_STATUS_LENGTH_REQUIRED, wxWEBVIEW_NAV_ERR_REQUEST)
1351                 WX_ERROR_CASE(HTTP_STATUS_PRECOND_FAILED, wxWEBVIEW_NAV_ERR_REQUEST)
1352                 WX_ERROR_CASE(HTTP_STATUS_REQUEST_TOO_LARGE, wxWEBVIEW_NAV_ERR_REQUEST)
1353                 WX_ERROR_CASE(HTTP_STATUS_URI_TOO_LONG, wxWEBVIEW_NAV_ERR_REQUEST)
1354                 WX_ERROR_CASE(HTTP_STATUS_UNSUPPORTED_MEDIA, wxWEBVIEW_NAV_ERR_REQUEST)
1355                 WX_ERROR_CASE(HTTP_STATUS_RETRY_WITH, wxWEBVIEW_NAV_ERR_OTHER)
1356
1357                 // 500 - Error codes
1358                 WX_ERROR_CASE(HTTP_STATUS_SERVER_ERROR, wxWEBVIEW_NAV_ERR_CONNECTION)
1359                 WX_ERROR_CASE(HTTP_STATUS_NOT_SUPPORTED, wxWEBVIEW_NAV_ERR_CONNECTION)
1360                 WX_ERROR_CASE(HTTP_STATUS_BAD_GATEWAY, wxWEBVIEW_NAV_ERR_CONNECTION)
1361                 WX_ERROR_CASE(HTTP_STATUS_SERVICE_UNAVAIL, wxWEBVIEW_NAV_ERR_CONNECTION)
1362                 WX_ERROR_CASE(HTTP_STATUS_GATEWAY_TIMEOUT, wxWEBVIEW_NAV_ERR_CONNECTION)
1363                 WX_ERROR_CASE(HTTP_STATUS_VERSION_NOT_SUP, wxWEBVIEW_NAV_ERR_REQUEST)
1364
1365                 // URL Moniker error codes
1366                 WX_ERROR_CASE(INET_E_INVALID_URL, wxWEBVIEW_NAV_ERR_REQUEST)
1367                 WX_ERROR_CASE(INET_E_NO_SESSION, wxWEBVIEW_NAV_ERR_CONNECTION)
1368                 WX_ERROR_CASE(INET_E_CANNOT_CONNECT, wxWEBVIEW_NAV_ERR_CONNECTION)
1369                 WX_ERROR_CASE(INET_E_RESOURCE_NOT_FOUND, wxWEBVIEW_NAV_ERR_NOT_FOUND)
1370                 WX_ERROR_CASE(INET_E_OBJECT_NOT_FOUND, wxWEBVIEW_NAV_ERR_NOT_FOUND)
1371                 WX_ERROR_CASE(INET_E_DATA_NOT_AVAILABLE, wxWEBVIEW_NAV_ERR_NOT_FOUND)
1372                 WX_ERROR_CASE(INET_E_DOWNLOAD_FAILURE, wxWEBVIEW_NAV_ERR_CONNECTION)
1373                 WX_ERROR_CASE(INET_E_AUTHENTICATION_REQUIRED, wxWEBVIEW_NAV_ERR_AUTH)
1374                 WX_ERROR_CASE(INET_E_NO_VALID_MEDIA, wxWEBVIEW_NAV_ERR_REQUEST)
1375                 WX_ERROR_CASE(INET_E_CONNECTION_TIMEOUT, wxWEBVIEW_NAV_ERR_CONNECTION)
1376                 WX_ERROR_CASE(INET_E_INVALID_REQUEST, wxWEBVIEW_NAV_ERR_REQUEST)
1377                 WX_ERROR_CASE(INET_E_UNKNOWN_PROTOCOL, wxWEBVIEW_NAV_ERR_REQUEST)
1378                 WX_ERROR_CASE(INET_E_SECURITY_PROBLEM, wxWEBVIEW_NAV_ERR_SECURITY)
1379                 WX_ERROR_CASE(INET_E_CANNOT_LOAD_DATA, wxWEBVIEW_NAV_ERR_OTHER)
1380                 WX_ERROR_CASE(INET_E_REDIRECT_FAILED, wxWEBVIEW_NAV_ERR_OTHER)
1381                 WX_ERROR_CASE(INET_E_REDIRECT_TO_DIR, wxWEBVIEW_NAV_ERR_REQUEST)
1382                 WX_ERROR_CASE(INET_E_CANNOT_LOCK_REQUEST, wxWEBVIEW_NAV_ERR_OTHER)
1383                 WX_ERROR_CASE(INET_E_USE_EXTEND_BINDING, wxWEBVIEW_NAV_ERR_OTHER)
1384                 WX_ERROR_CASE(INET_E_TERMINATED_BIND, wxWEBVIEW_NAV_ERR_OTHER)
1385                 WX_ERROR_CASE(INET_E_INVALID_CERTIFICATE, wxWEBVIEW_NAV_ERR_CERTIFICATE)
1386                 WX_ERROR_CASE(INET_E_CODE_DOWNLOAD_DECLINED, wxWEBVIEW_NAV_ERR_USER_CANCELLED)
1387                 WX_ERROR_CASE(INET_E_RESULT_DISPATCHED, wxWEBVIEW_NAV_ERR_OTHER)
1388                 WX_ERROR_CASE(INET_E_CANNOT_REPLACE_SFP_FILE, wxWEBVIEW_NAV_ERR_SECURITY)
1389                 WX_ERROR_CASE(INET_E_CODE_INSTALL_BLOCKED_BY_HASH_POLICY, wxWEBVIEW_NAV_ERR_SECURITY)
1390                 WX_ERROR_CASE(INET_E_CODE_INSTALL_SUPPRESSED, wxWEBVIEW_NAV_ERR_SECURITY)
1391             }
1392             HandleWindowEvent(event);
1393             break;
1394         }
1395         case DISPID_NEWWINDOW3:
1396         {
1397             wxString url = evt[4].GetString();
1398
1399             wxWebViewEvent event(wxEVT_WEBVIEW_NEWWINDOW,
1400                                  GetId(), url, wxEmptyString);
1401             event.SetEventObject(this);
1402             HandleWindowEvent(event);
1403
1404             //We always cancel this event otherwise an Internet Exporer window
1405             //is opened for the url
1406             wxActiveXEventNativeMSW* nativeParams = evt.GetNativeParameters();
1407             *V_BOOLREF(&nativeParams->pDispParams->rgvarg[3]) = VARIANT_TRUE;
1408             break;
1409         }
1410     }
1411
1412     evt.Skip();
1413 }
1414
1415 VirtualProtocol::VirtualProtocol(wxSharedPtr<wxWebViewHandler> handler)
1416 {
1417     m_file = NULL;
1418     m_handler = handler;
1419 }
1420
1421 BEGIN_IID_TABLE(VirtualProtocol)
1422     ADD_IID(Unknown)
1423     ADD_RAW_IID(wxIID_IInternetProtocolRoot)
1424     ADD_RAW_IID(wxIID_IInternetProtocol)
1425 END_IID_TABLE;
1426
1427 IMPLEMENT_IUNKNOWN_METHODS(VirtualProtocol)
1428
1429 HRESULT STDMETHODCALLTYPE VirtualProtocol::Start(LPCWSTR szUrl, wxIInternetProtocolSink *pOIProtSink,
1430                                wxIInternetBindInfo *pOIBindInfo, DWORD grfPI,
1431                                HANDLE_PTR dwReserved)
1432 {
1433     wxUnusedVar(szUrl);
1434     wxUnusedVar(pOIBindInfo);
1435     wxUnusedVar(grfPI);
1436     wxUnusedVar(dwReserved);
1437     m_protocolSink = pOIProtSink;
1438
1439     //We get the file itself from the protocol handler
1440     m_file = m_handler->GetFile(szUrl);
1441
1442
1443     if(!m_file)
1444         return INET_E_RESOURCE_NOT_FOUND;
1445
1446     //We return the stream length for current and total size as we can always
1447     //read the whole file from the stream
1448     wxFileOffset length = m_file->GetStream()->GetLength();
1449     m_protocolSink->ReportData(wxBSCF_FIRSTDATANOTIFICATION |
1450                                wxBSCF_DATAFULLYAVAILABLE |
1451                                wxBSCF_LASTDATANOTIFICATION,
1452                                length, length);
1453     return S_OK;
1454 }
1455
1456 HRESULT STDMETHODCALLTYPE VirtualProtocol::Read(void *pv, ULONG cb, ULONG *pcbRead)
1457 {
1458     //If the file is null we return false to indicte it is finished
1459     if(!m_file)
1460         return S_FALSE;
1461
1462     wxStreamError err = m_file->GetStream()->Read(pv, cb).GetLastError();
1463     *pcbRead = m_file->GetStream()->LastRead();
1464
1465     if(err == wxSTREAM_NO_ERROR)
1466     {
1467         if(*pcbRead < cb)
1468         {
1469             wxDELETE(m_file);
1470             m_protocolSink->ReportResult(S_OK, 0, NULL);
1471         }
1472         //As we are not eof there is more data
1473         return S_OK;
1474     }
1475     else if(err == wxSTREAM_EOF)
1476     {
1477         wxDELETE(m_file);
1478         m_protocolSink->ReportResult(S_OK, 0, NULL);
1479         //We are eof and so finished
1480         return S_OK;
1481     }
1482     else if(err ==  wxSTREAM_READ_ERROR)
1483     {
1484         wxDELETE(m_file);
1485         return INET_E_DOWNLOAD_FAILURE;
1486     }
1487     else
1488     {
1489         //Dummy return to suppress a compiler warning
1490         wxFAIL;
1491         return INET_E_DOWNLOAD_FAILURE;
1492     }
1493 }
1494
1495 BEGIN_IID_TABLE(ClassFactory)
1496     ADD_IID(Unknown)
1497     ADD_IID(ClassFactory)
1498 END_IID_TABLE;
1499
1500 IMPLEMENT_IUNKNOWN_METHODS(ClassFactory)
1501
1502 HRESULT STDMETHODCALLTYPE ClassFactory::CreateInstance(IUnknown* pUnkOuter, REFIID riid,
1503                                      void ** ppvObject)
1504 {
1505     if (pUnkOuter)
1506         return CLASS_E_NOAGGREGATION;
1507     VirtualProtocol* vp = new VirtualProtocol(m_handler);
1508     vp->AddRef();
1509     HRESULT hr = vp->QueryInterface(riid, ppvObject);
1510     vp->Release();
1511     return hr;
1512
1513 }
1514
1515 STDMETHODIMP ClassFactory::LockServer(BOOL fLock)
1516 {
1517     wxUnusedVar(fLock);
1518     return S_OK;
1519 }
1520
1521 wxIEContainer::wxIEContainer(wxWindow *parent, REFIID iid, IUnknown *pUnk,
1522                              DocHostUIHandler* uiHandler) :
1523     wxActiveXContainer(parent,iid,pUnk)
1524 {
1525     m_uiHandler = uiHandler;
1526 }
1527
1528 wxIEContainer::~wxIEContainer()
1529 {
1530 }
1531
1532 bool wxIEContainer::QueryClientSiteInterface(REFIID iid, void **_interface,
1533                                              const char *&desc)
1534 {
1535     if (m_uiHandler && IsEqualIID(iid, wxIID_IDocHostUIHandler))
1536     {
1537         *_interface = (IUnknown *) (wxIDocHostUIHandler *) m_uiHandler;
1538         desc = "IDocHostUIHandler";
1539         return true;
1540     }
1541     return false;
1542 }
1543
1544 HRESULT wxSTDCALL DocHostUIHandler::ShowContextMenu(DWORD dwID, POINT *ppt,
1545                                           IUnknown *pcmdtReserved,
1546                                           IDispatch *pdispReserved)
1547 {
1548     wxUnusedVar(dwID);
1549     wxUnusedVar(ppt);
1550     wxUnusedVar(pcmdtReserved);
1551     wxUnusedVar(pdispReserved);
1552     if(m_browser->IsContextMenuEnabled())
1553         return E_NOTIMPL;
1554     else
1555         return S_OK;
1556 }
1557
1558 HRESULT wxSTDCALL DocHostUIHandler::GetHostInfo(DOCHOSTUIINFO *pInfo)
1559 {
1560     //don't show 3d border and enable themes.
1561     pInfo->dwFlags = pInfo->dwFlags | DOCHOSTUIFLAG_NO3DBORDER | DOCHOSTUIFLAG_THEME;
1562     return S_OK;
1563 }
1564
1565 HRESULT wxSTDCALL DocHostUIHandler::ShowUI(DWORD dwID,
1566                                  IOleInPlaceActiveObject *pActiveObject,
1567                                  IOleCommandTarget *pCommandTarget,
1568                                  IOleInPlaceFrame *pFrame,
1569                                  IOleInPlaceUIWindow *pDoc)
1570 {
1571     wxUnusedVar(dwID);
1572     wxUnusedVar(pActiveObject);
1573     wxUnusedVar(pCommandTarget);
1574     wxUnusedVar(pFrame);
1575     wxUnusedVar(pDoc);
1576     return S_FALSE;
1577 }
1578
1579 HRESULT wxSTDCALL DocHostUIHandler::HideUI(void)
1580 {
1581     return E_NOTIMPL;
1582 }
1583
1584 HRESULT wxSTDCALL DocHostUIHandler::UpdateUI(void)
1585 {
1586     return E_NOTIMPL;
1587 }
1588
1589 HRESULT wxSTDCALL DocHostUIHandler::EnableModeless(BOOL fEnable)
1590 {
1591     wxUnusedVar(fEnable);
1592     return E_NOTIMPL;
1593 }
1594
1595 HRESULT wxSTDCALL DocHostUIHandler::OnDocWindowActivate(BOOL fActivate)
1596 {
1597     wxUnusedVar(fActivate);
1598     return E_NOTIMPL;
1599 }
1600
1601 HRESULT wxSTDCALL DocHostUIHandler::OnFrameWindowActivate(BOOL fActivate)
1602 {
1603     wxUnusedVar(fActivate);
1604     return E_NOTIMPL;
1605 }
1606
1607 HRESULT wxSTDCALL DocHostUIHandler::ResizeBorder(LPCRECT prcBorder,
1608                                        IOleInPlaceUIWindow *pUIWindow,
1609                                        BOOL fFrameWindow)
1610 {
1611     wxUnusedVar(prcBorder);
1612     wxUnusedVar(pUIWindow);
1613     wxUnusedVar(fFrameWindow);
1614     return E_NOTIMPL;
1615 }
1616
1617 HRESULT wxSTDCALL DocHostUIHandler::TranslateAccelerator(LPMSG lpMsg,
1618                                                const GUID *pguidCmdGroup,
1619                                                DWORD nCmdID)
1620 {
1621     if(lpMsg && lpMsg->message == WM_KEYDOWN)
1622     {
1623         // check control is down but that it isn't right-alt which is mapped to
1624         // alt + ctrl
1625         if(GetKeyState(VK_CONTROL) & 0x8000 &&
1626          !(GetKeyState(VK_MENU) & 0x8000))
1627         {
1628             //skip the accelerators used by the control
1629             switch(lpMsg->wParam)
1630             {
1631                 case 'F':
1632                 case 'L':
1633                 case 'N':
1634                 case 'O':
1635                 case 'P':
1636                     return S_OK;
1637             }
1638         }
1639         //skip F5
1640         if(lpMsg->wParam == VK_F5)
1641         {
1642             return S_OK;
1643         }
1644     }
1645
1646     wxUnusedVar(pguidCmdGroup);
1647     wxUnusedVar(nCmdID);
1648     return E_NOTIMPL;
1649 }
1650
1651 HRESULT wxSTDCALL DocHostUIHandler::GetOptionKeyPath(LPOLESTR *pchKey,DWORD dw)
1652 {
1653     wxUnusedVar(pchKey);
1654     wxUnusedVar(dw);
1655     return E_NOTIMPL;
1656 }
1657
1658 HRESULT wxSTDCALL DocHostUIHandler::GetDropTarget(IDropTarget *pDropTarget,
1659                                         IDropTarget **ppDropTarget)
1660 {
1661     wxUnusedVar(pDropTarget);
1662     wxUnusedVar(ppDropTarget);
1663     return E_NOTIMPL;
1664 }
1665
1666 HRESULT wxSTDCALL DocHostUIHandler::GetExternal(IDispatch **ppDispatch)
1667 {
1668     wxUnusedVar(ppDispatch);
1669     return E_NOTIMPL;
1670 }
1671
1672 HRESULT wxSTDCALL DocHostUIHandler::TranslateUrl(DWORD dwTranslate,
1673                                        OLECHAR *pchURLIn,
1674                                        OLECHAR **ppchURLOut)
1675 {
1676     wxUnusedVar(dwTranslate);
1677     wxUnusedVar(pchURLIn);
1678     wxUnusedVar(ppchURLOut);
1679     return E_NOTIMPL;
1680 }
1681
1682 HRESULT wxSTDCALL DocHostUIHandler::FilterDataObject(IDataObject *pDO, IDataObject **ppDORet)
1683 {
1684     wxUnusedVar(pDO);
1685     wxUnusedVar(ppDORet);
1686     return E_NOTIMPL;
1687 }
1688
1689 BEGIN_IID_TABLE(DocHostUIHandler)
1690     ADD_IID(Unknown)
1691     ADD_RAW_IID(wxIID_IDocHostUIHandler)
1692 END_IID_TABLE;
1693
1694 IMPLEMENT_IUNKNOWN_METHODS(DocHostUIHandler)
1695
1696 #endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_IE