src/gtk/webview_webkit.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/webview_webkit.cpp
   3 // Purpose:     GTK WebKit backend for web view component
   4 // Author:      Marianne Gagnon, Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 2010 Marianne Gagnon, 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #if wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT
  14
  15 #include "wx/stockitem.h"
  16 #include "wx/gtk/webview_webkit.h"
  17 #include "wx/gtk/control.h"
  18 #include "wx/gtk/private.h"
  19 #include "wx/filesys.h"
  20 #include "wx/base64.h"
  21 #include <webkit/webkit.h>
  22
  23 // ----------------------------------------------------------------------------
  24 // GTK callbacks
  25 // ----------------------------------------------------------------------------
  26
  27 extern "C"
  28 {
  29
  30 static void
  31 wxgtk_webview_webkit_load_status(GtkWidget* widget,
  32                                  GParamSpec*,
  33                                  wxWebViewWebKit *webKitCtrl)
  34 {
  35     if (!webKitCtrl->m_ready) return;
  36
  37     wxString url = webKitCtrl->GetCurrentURL();
  38
  39     WebKitLoadStatus status;
  40     g_object_get(G_OBJECT(widget), "load-status", &status, NULL);
  41
  42     wxString target; // TODO: get target (if possible)
  43
  44     if (status == WEBKIT_LOAD_FINISHED)
  45     {
  46         WebKitWebBackForwardList* hist = webkit_web_view_get_back_forward_list(WEBKIT_WEB_VIEW(widget));
  47         WebKitWebHistoryItem* item = webkit_web_back_forward_list_get_current_item(hist);
  48         //We have to check if we are actually storing history
  49         //If the item isn't added we add it ourselves, it isn't added otherwise
  50         //with a custom scheme.
  51         if(WEBKIT_IS_WEB_HISTORY_ITEM(item) && webkit_web_history_item_get_uri(item) != url)
  52         {
  53             WebKitWebHistoryItem*
  54                 newitem = webkit_web_history_item_new_with_data
  55                           (
  56                             url.utf8_str(),
  57                             webKitCtrl->GetCurrentTitle().utf8_str()
  58                           );
  59             webkit_web_back_forward_list_add_item(hist, newitem);
  60         }
  61
  62         webKitCtrl->m_busy = false;
  63         wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED,
  64                              webKitCtrl->GetId(),
  65                              url, target);
  66
  67         if (webKitCtrl && webKitCtrl->GetEventHandler())
  68             webKitCtrl->GetEventHandler()->ProcessEvent(event);
  69     }
  70     else if (status ==  WEBKIT_LOAD_COMMITTED)
  71     {
  72         webKitCtrl->m_busy = true;
  73         wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
  74                              webKitCtrl->GetId(),
  75                              url, target);
  76
  77         if (webKitCtrl && webKitCtrl->GetEventHandler())
  78             webKitCtrl->GetEventHandler()->ProcessEvent(event);
  79     }
  80 }
  81
  82 static gboolean
  83 wxgtk_webview_webkit_navigation(WebKitWebView *,
  84                                 WebKitWebFrame *frame,
  85                                 WebKitNetworkRequest *request,
  86                                 WebKitWebNavigationAction *,
  87                                 WebKitWebPolicyDecision *policy_decision,
  88                                 wxWebViewWebKit *webKitCtrl)
  89 {
  90     if(webKitCtrl->m_guard)
  91     {
  92         webKitCtrl->m_guard = false;
  93         //We set this to make sure that we don't try to load the page again from
  94         //the resource request callback
  95         webKitCtrl->m_vfsurl = webkit_network_request_get_uri(request);
  96         webkit_web_policy_decision_use(policy_decision);
  97         return FALSE;
  98     }
  99
 100     webKitCtrl->m_busy = true;
 101
 102     const gchar* uri = webkit_network_request_get_uri(request);
 103
 104     wxString target = webkit_web_frame_get_name (frame);
 105     wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 106                          webKitCtrl->GetId(),
 107                          wxString( uri, wxConvUTF8 ),
 108                          target);
 109
 110     if (webKitCtrl && webKitCtrl->GetEventHandler())
 111         webKitCtrl->GetEventHandler()->ProcessEvent(event);
 112
 113     if (!event.IsAllowed())
 114     {
 115         webKitCtrl->m_busy = false;
 116         webkit_web_policy_decision_ignore(policy_decision);
 117         return TRUE;
 118     }
 119     else
 120     {
 121         wxString wxuri = uri;
 122         wxSharedPtr<wxWebViewHandler> handler;
 123         wxVector<wxSharedPtr<wxWebViewHandler> > hanlders = webKitCtrl->GetHandlers();
 124         //We are not vetoed so see if we match one of the additional handlers
 125         for(wxVector<wxSharedPtr<wxWebViewHandler> >::iterator it = hanlders.begin();
 126             it != hanlders.end(); ++it)
 127         {
 128             if(wxuri.substr(0, (*it)->GetName().length()) == (*it)->GetName())
 129             {
 130                 handler = (*it);
 131             }
 132         }
 133         //If we found a handler we can then use it to load the file directly
 134         //ourselves
 135         if(handler)
 136         {
 137             webKitCtrl->m_guard = true;
 138             wxFSFile* file = handler->GetFile(wxuri);
 139             if(file)
 140             {
 141                 webKitCtrl->SetPage(*file->GetStream(), wxuri);
 142             }
 143             //We need to throw some sort of error here if file is NULL
 144             webkit_web_policy_decision_ignore(policy_decision);
 145             return TRUE;
 146         }
 147         return FALSE;
 148     }
 149 }
 150
 151 static gboolean
 152 wxgtk_webview_webkit_error(WebKitWebView*,
 153                            WebKitWebFrame*,
 154                            gchar *uri,
 155                            gpointer web_error,
 156                            wxWebViewWebKit* webKitWindow)
 157 {
 158     webKitWindow->m_busy = false;
 159     wxWebViewNavigationError type = wxWEB_NAV_ERR_OTHER;
 160
 161     GError* error = (GError*)web_error;
 162     wxString description(error->message, wxConvUTF8);
 163
 164     if (strcmp(g_quark_to_string(error->domain), "soup_http_error_quark") == 0)
 165     {
 166         switch (error->code)
 167         {
 168             case SOUP_STATUS_CANCELLED:
 169                 type = wxWEB_NAV_ERR_USER_CANCELLED;
 170                 break;
 171
 172             case SOUP_STATUS_CANT_RESOLVE:
 173             case SOUP_STATUS_NOT_FOUND:
 174                 type = wxWEB_NAV_ERR_NOT_FOUND;
 175                 break;
 176
 177             case SOUP_STATUS_CANT_RESOLVE_PROXY:
 178             case SOUP_STATUS_CANT_CONNECT:
 179             case SOUP_STATUS_CANT_CONNECT_PROXY:
 180             case SOUP_STATUS_SSL_FAILED:
 181             case SOUP_STATUS_IO_ERROR:
 182                 type = wxWEB_NAV_ERR_CONNECTION;
 183                 break;
 184
 185             case SOUP_STATUS_MALFORMED:
 186             //case SOUP_STATUS_TOO_MANY_REDIRECTS:
 187                 type = wxWEB_NAV_ERR_REQUEST;
 188                 break;
 189
 190             //case SOUP_STATUS_NO_CONTENT:
 191             //case SOUP_STATUS_RESET_CONTENT:
 192
 193             case SOUP_STATUS_BAD_REQUEST:
 194                 type = wxWEB_NAV_ERR_REQUEST;
 195                 break;
 196
 197             case SOUP_STATUS_UNAUTHORIZED:
 198             case SOUP_STATUS_FORBIDDEN:
 199                 type = wxWEB_NAV_ERR_AUTH;
 200                 break;
 201
 202             case SOUP_STATUS_METHOD_NOT_ALLOWED:
 203             case SOUP_STATUS_NOT_ACCEPTABLE:
 204                 type = wxWEB_NAV_ERR_SECURITY;
 205                 break;
 206
 207             case SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED:
 208                 type = wxWEB_NAV_ERR_AUTH;
 209                 break;
 210
 211             case SOUP_STATUS_REQUEST_TIMEOUT:
 212                 type = wxWEB_NAV_ERR_CONNECTION;
 213                 break;
 214
 215             //case SOUP_STATUS_PAYMENT_REQUIRED:
 216             case SOUP_STATUS_REQUEST_ENTITY_TOO_LARGE:
 217             case SOUP_STATUS_REQUEST_URI_TOO_LONG:
 218             case SOUP_STATUS_UNSUPPORTED_MEDIA_TYPE:
 219                 type = wxWEB_NAV_ERR_REQUEST;
 220                 break;
 221
 222             case SOUP_STATUS_BAD_GATEWAY:
 223             case SOUP_STATUS_SERVICE_UNAVAILABLE:
 224             case SOUP_STATUS_GATEWAY_TIMEOUT:
 225                 type = wxWEB_NAV_ERR_CONNECTION;
 226                 break;
 227
 228             case SOUP_STATUS_HTTP_VERSION_NOT_SUPPORTED:
 229                 type = wxWEB_NAV_ERR_REQUEST;
 230                 break;
 231             //case SOUP_STATUS_INSUFFICIENT_STORAGE:
 232             //case SOUP_STATUS_NOT_EXTENDED:
 233         }
 234     }
 235     else if (strcmp(g_quark_to_string(error->domain),
 236                     "webkit-network-error-quark") == 0)
 237     {
 238         switch (error->code)
 239         {
 240             //WEBKIT_NETWORK_ERROR_FAILED:
 241             //WEBKIT_NETWORK_ERROR_TRANSPORT:
 242
 243             case WEBKIT_NETWORK_ERROR_UNKNOWN_PROTOCOL:
 244                 type = wxWEB_NAV_ERR_REQUEST;
 245                 break;
 246
 247             case WEBKIT_NETWORK_ERROR_CANCELLED:
 248                 type = wxWEB_NAV_ERR_USER_CANCELLED;
 249                 break;
 250
 251             case WEBKIT_NETWORK_ERROR_FILE_DOES_NOT_EXIST:
 252                 type = wxWEB_NAV_ERR_NOT_FOUND;
 253                 break;
 254         }
 255     }
 256     else if (strcmp(g_quark_to_string(error->domain),
 257                     "webkit-policy-error-quark") == 0)
 258     {
 259         switch (error->code)
 260         {
 261             //case WEBKIT_POLICY_ERROR_FAILED:
 262             //case WEBKIT_POLICY_ERROR_CANNOT_SHOW_MIME_TYPE:
 263             //case WEBKIT_POLICY_ERROR_CANNOT_SHOW_URL:
 264             //case WEBKIT_POLICY_ERROR_FRAME_LOAD_INTERRUPTED_BY_POLICY_CHANGE:
 265             case WEBKIT_POLICY_ERROR_CANNOT_USE_RESTRICTED_PORT:
 266                 type = wxWEB_NAV_ERR_SECURITY;
 267                 break;
 268         }
 269     }
 270     /*
 271     webkit_plugin_error_quark
 272     else
 273     {
 274         printf("Error domain %s\n", g_quark_to_string(error->domain));
 275     }
 276     */
 277
 278     wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR,
 279                          webKitWindow->GetId(),
 280                          uri, "");
 281     event.SetString(description);
 282     event.SetInt(type);
 283
 284     if (webKitWindow && webKitWindow->GetEventHandler())
 285     {
 286         webKitWindow->GetEventHandler()->ProcessEvent(event);
 287     }
 288
 289     return FALSE;
 290 }
 291
 292 static gboolean
 293 wxgtk_webview_webkit_new_window(WebKitWebView*,
 294                                 WebKitWebFrame *frame,
 295                                 WebKitNetworkRequest *request,
 296                                 WebKitWebNavigationAction*,
 297                                 WebKitWebPolicyDecision *policy_decision,
 298                                 wxWebViewWebKit *webKitCtrl)
 299 {
 300     const gchar* uri = webkit_network_request_get_uri(request);
 301
 302     wxString target = webkit_web_frame_get_name (frame);
 303     wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 304                                        webKitCtrl->GetId(),
 305                                        wxString( uri, wxConvUTF8 ),
 306                                        target);
 307
 308     if (webKitCtrl && webKitCtrl->GetEventHandler())
 309         webKitCtrl->GetEventHandler()->ProcessEvent(event);
 310
 311     //We always want the user to handle this themselves
 312     webkit_web_policy_decision_ignore(policy_decision);
 313     return TRUE;
 314 }
 315
 316 static void
 317 wxgtk_webview_webkit_title_changed(WebKitWebView*,
 318                                    WebKitWebFrame*,
 319                                    gchar *title,
 320                                    wxWebViewWebKit *webKitCtrl)
 321 {
 322     wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED,
 323                          webKitCtrl->GetId(),
 324                          webKitCtrl->GetCurrentURL(),
 325                          "");
 326     event.SetString(wxString(title, wxConvUTF8));
 327
 328     if (webKitCtrl && webKitCtrl->GetEventHandler())
 329         webKitCtrl->GetEventHandler()->ProcessEvent(event);
 330
 331 }
 332
 333 static void
 334 wxgtk_webview_webkit_resource_req(WebKitWebView *,
 335                                   WebKitWebFrame *,
 336                                   WebKitWebResource *,
 337                                   WebKitNetworkRequest *request,
 338                                   WebKitNetworkResponse *,
 339                                   wxWebViewWebKit *webKitCtrl)
 340 {
 341     wxString uri = webkit_network_request_get_uri(request);
 342
 343     wxSharedPtr<wxWebViewHandler> handler;
 344     wxVector<wxSharedPtr<wxWebViewHandler> > hanlders = webKitCtrl->GetHandlers();
 345
 346     //We are not vetoed so see if we match one of the additional handlers
 347     for(wxVector<wxSharedPtr<wxWebViewHandler> >::iterator it = hanlders.begin();
 348         it != hanlders.end(); ++it)
 349     {
 350         if(uri.substr(0, (*it)->GetName().length()) == (*it)->GetName())
 351         {
 352             handler = (*it);
 353         }
 354     }
 355     //If we found a handler we can then use it to load the file directly
 356     //ourselves
 357     if(handler)
 358     {
 359         //If it is requsting the page itself then return as we have already
 360         //loaded it from the archive
 361         if(webKitCtrl->m_vfsurl == uri)
 362             return;
 363
 364         wxFSFile* file = handler->GetFile(uri);
 365         if(file)
 366         {
 367             //We load the data into a data url to save it being written out again
 368             size_t size = file->GetStream()->GetLength();
 369             char *buffer = new char[size];
 370             file->GetStream()->Read(buffer, size);
 371             wxString data = wxBase64Encode(buffer, size);
 372             delete[] buffer;
 373             wxString mime = file->GetMimeType();
 374             wxString path = "data:" + mime + ";base64," + data;
 375             //Then we can redirect the call
 376             webkit_network_request_set_uri(request, path.utf8_str());
 377         }
 378
 379     }
 380 }
 381
 382 } // extern "C"
 383
 384 //-----------------------------------------------------------------------------
 385 // wxWebViewWebKit
 386 //-----------------------------------------------------------------------------
 387
 388 wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewWebKit, wxWebView);
 389
 390 bool wxWebViewWebKit::Create(wxWindow *parent,
 391                       wxWindowID id,
 392                       const wxString &url,
 393                       const wxPoint& pos,
 394                       const wxSize& size,
 395                       long style,
 396                       const wxString& name)
 397 {
 398     m_ready = false;
 399     m_busy = false;
 400     m_guard = false;
 401
 402     if (!PreCreation( parent, pos, size ) ||
 403         !CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
 404     {
 405         wxFAIL_MSG( wxT("wxWebViewWebKit creation failed") );
 406         return false;
 407     }
 408
 409     m_widget = gtk_scrolled_window_new(NULL, NULL);
 410     g_object_ref(m_widget);
 411     m_web_view = WEBKIT_WEB_VIEW(webkit_web_view_new());
 412
 413     /* Place the WebKitWebView in the GtkScrolledWindow */
 414     gtk_container_add(GTK_CONTAINER(m_widget), GTK_WIDGET(m_web_view));
 415     gtk_widget_show(GTK_WIDGET(m_web_view));
 416
 417     g_signal_connect_after(m_web_view, "notify::load-status",
 418                            G_CALLBACK(wxgtk_webview_webkit_load_status),
 419                            this);
 420     g_signal_connect_after(m_web_view, "navigation-policy-decision-requested",
 421                            G_CALLBACK(wxgtk_webview_webkit_navigation),
 422                            this);
 423     g_signal_connect_after(m_web_view, "load-error",
 424                            G_CALLBACK(wxgtk_webview_webkit_error),
 425                            this);
 426
 427     g_signal_connect_after(m_web_view, "new-window-policy-decision-requested",
 428                            G_CALLBACK(wxgtk_webview_webkit_new_window), this);
 429
 430     g_signal_connect_after(m_web_view, "title-changed",
 431                            G_CALLBACK(wxgtk_webview_webkit_title_changed), this);
 432
 433     g_signal_connect_after(m_web_view, "resource-request-starting",
 434                            G_CALLBACK(wxgtk_webview_webkit_resource_req), this);
 435
 436     m_parent->DoAddChild( this );
 437
 438     PostCreation(size);
 439
 440     /* Open a webpage */
 441     webkit_web_view_load_uri(m_web_view, url.utf8_str());
 442
 443     //Get the initial history limit so we can enable and disable it later
 444     WebKitWebBackForwardList* history;
 445     history = webkit_web_view_get_back_forward_list(m_web_view);
 446     m_historyLimit = webkit_web_back_forward_list_get_limit(history);
 447
 448     m_ready = true;
 449
 450     return true;
 451 }
 452
 453 bool wxWebViewWebKit::Enable( bool enable )
 454 {
 455     if (!wxControl::Enable(enable))
 456         return false;
 457
 458     gtk_widget_set_sensitive(GTK_BIN(m_widget)->child, enable);
 459
 460     //if (enable)
 461     //    GTKFixSensitivity();
 462
 463     return true;
 464 }
 465
 466 GdkWindow*
 467 wxWebViewWebKit::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
 468 {
 469     GdkWindow* window = gtk_widget_get_parent_window(m_widget);
 470     return window;
 471 }
 472
 473 void wxWebViewWebKit::ZoomIn()
 474 {
 475     webkit_web_view_zoom_in(m_web_view);
 476 }
 477
 478 void wxWebViewWebKit::ZoomOut()
 479 {
 480     webkit_web_view_zoom_out(m_web_view);
 481 }
 482
 483 void wxWebViewWebKit::SetWebkitZoom(float level)
 484 {
 485     webkit_web_view_set_zoom_level(m_web_view, level);
 486 }
 487
 488 float wxWebViewWebKit::GetWebkitZoom() const
 489 {
 490     return webkit_web_view_get_zoom_level(m_web_view);
 491 }
 492
 493 void wxWebViewWebKit::Stop()
 494 {
 495      webkit_web_view_stop_loading(m_web_view);
 496 }
 497
 498 void wxWebViewWebKit::Reload(wxWebViewReloadFlags flags)
 499 {
 500     if (flags & wxWEB_VIEW_RELOAD_NO_CACHE)
 501     {
 502         webkit_web_view_reload_bypass_cache(m_web_view);
 503     }
 504     else
 505     {
 506         webkit_web_view_reload(m_web_view);
 507     }
 508 }
 509
 510 void wxWebViewWebKit::LoadURL(const wxString& url)
 511 {
 512     webkit_web_view_load_uri(m_web_view, wxGTK_CONV(url));
 513 }
 514
 515
 516 void wxWebViewWebKit::GoBack()
 517 {
 518     webkit_web_view_go_back(m_web_view);
 519 }
 520
 521 void wxWebViewWebKit::GoForward()
 522 {
 523     webkit_web_view_go_forward(m_web_view);
 524 }
 525
 526
 527 bool wxWebViewWebKit::CanGoBack() const
 528 {
 529     return webkit_web_view_can_go_back(m_web_view);
 530 }
 531
 532
 533 bool wxWebViewWebKit::CanGoForward() const
 534 {
 535     return webkit_web_view_can_go_forward(m_web_view);
 536 }
 537
 538 void wxWebViewWebKit::ClearHistory()
 539 {
 540     WebKitWebBackForwardList* history;
 541     history = webkit_web_view_get_back_forward_list(m_web_view);
 542     webkit_web_back_forward_list_clear(history);
 543 }
 544
 545 void wxWebViewWebKit::EnableHistory(bool enable)
 546 {
 547     WebKitWebBackForwardList* history;
 548     history = webkit_web_view_get_back_forward_list(m_web_view);
 549     if(enable)
 550     {
 551         webkit_web_back_forward_list_set_limit(history, m_historyLimit);
 552     }
 553     else
 554     {
 555         webkit_web_back_forward_list_set_limit(history, 0);
 556     }
 557 }
 558
 559 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetBackwardHistory()
 560 {
 561     wxVector<wxSharedPtr<wxWebViewHistoryItem> > backhist;
 562     WebKitWebBackForwardList* history;
 563     history = webkit_web_view_get_back_forward_list(m_web_view);
 564     GList* list = webkit_web_back_forward_list_get_back_list_with_limit(history,
 565                                                                         m_historyLimit);
 566     //We need to iterate in reverse to get the order we desire
 567     for(int i = g_list_length(list) - 1; i >= 0 ; i--)
 568     {
 569         WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)g_list_nth_data(list, i);
 570         wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(
 571                                    webkit_web_history_item_get_uri(gtkitem),
 572                                    webkit_web_history_item_get_title(gtkitem));
 573         wxitem->m_histItem = gtkitem;
 574         wxSharedPtr<wxWebViewHistoryItem> item(wxitem);
 575         backhist.push_back(item);
 576     }
 577     return backhist;
 578 }
 579
 580 wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetForwardHistory()
 581 {
 582     wxVector<wxSharedPtr<wxWebViewHistoryItem> > forwardhist;
 583     WebKitWebBackForwardList* history;
 584     history = webkit_web_view_get_back_forward_list(m_web_view);
 585     GList* list = webkit_web_back_forward_list_get_forward_list_with_limit(history,
 586                                                                            m_historyLimit);
 587     for(guint i = 0; i < g_list_length(list); i++)
 588     {
 589         WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)g_list_nth_data(list, i);
 590         wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(
 591                                    webkit_web_history_item_get_uri(gtkitem),
 592                                    webkit_web_history_item_get_title(gtkitem));
 593         wxitem->m_histItem = gtkitem;
 594         wxSharedPtr<wxWebViewHistoryItem> item(wxitem);
 595         forwardhist.push_back(item);
 596     }
 597     return forwardhist;
 598 }
 599
 600 void wxWebViewWebKit::LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item)
 601 {
 602     WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)item->m_histItem;
 603     if(gtkitem)
 604     {
 605         webkit_web_view_go_to_back_forward_item(m_web_view,
 606                                                 WEBKIT_WEB_HISTORY_ITEM(gtkitem));
 607     }
 608 }
 609
 610 bool wxWebViewWebKit::CanCut() const
 611 {
 612     return webkit_web_view_can_cut_clipboard(m_web_view);
 613 }
 614
 615 bool wxWebViewWebKit::CanCopy() const
 616 {
 617     return webkit_web_view_can_copy_clipboard(m_web_view);
 618 }
 619
 620 bool wxWebViewWebKit::CanPaste() const
 621 {
 622     return webkit_web_view_can_paste_clipboard(m_web_view);
 623 }
 624
 625 void wxWebViewWebKit::Cut()
 626 {
 627     webkit_web_view_cut_clipboard(m_web_view);
 628 }
 629
 630 void wxWebViewWebKit::Copy()
 631 {
 632     webkit_web_view_copy_clipboard(m_web_view);
 633 }
 634
 635 void wxWebViewWebKit::Paste()
 636 {
 637     webkit_web_view_paste_clipboard(m_web_view);
 638 }
 639
 640 bool wxWebViewWebKit::CanUndo() const
 641 {
 642     return webkit_web_view_can_undo(m_web_view);
 643 }
 644
 645 bool wxWebViewWebKit::CanRedo() const
 646 {
 647     return webkit_web_view_can_redo(m_web_view);
 648 }
 649
 650 void wxWebViewWebKit::Undo()
 651 {
 652     webkit_web_view_undo(m_web_view);
 653 }
 654
 655 void wxWebViewWebKit::Redo()
 656 {
 657     webkit_web_view_redo(m_web_view);
 658 }
 659
 660 wxString wxWebViewWebKit::GetCurrentURL() const
 661 {
 662     // FIXME: check which encoding the web kit control uses instead of
 663     // assuming UTF8 (here and elsewhere too)
 664     return wxString::FromUTF8(webkit_web_view_get_uri(m_web_view));
 665 }
 666
 667
 668 wxString wxWebViewWebKit::GetCurrentTitle() const
 669 {
 670     return wxString::FromUTF8(webkit_web_view_get_title(m_web_view));
 671 }
 672
 673
 674 wxString wxWebViewWebKit::GetPageSource() const
 675 {
 676     WebKitWebFrame* frame = webkit_web_view_get_main_frame(m_web_view);
 677     WebKitWebDataSource* src = webkit_web_frame_get_data_source (frame);
 678
 679     // TODO: check encoding with
 680     // const gchar*
 681     // webkit_web_data_source_get_encoding(WebKitWebDataSource *data_source);
 682     return wxString(webkit_web_data_source_get_data (src)->str, wxConvUTF8);
 683 }
 684
 685
 686 wxWebViewZoom wxWebViewWebKit::GetZoom() const
 687 {
 688     float zoom = GetWebkitZoom();
 689
 690     // arbitrary way to map float zoom to our common zoom enum
 691     if (zoom <= 0.65)
 692     {
 693         return wxWEB_VIEW_ZOOM_TINY;
 694     }
 695     else if (zoom > 0.65 && zoom <= 0.90)
 696     {
 697         return wxWEB_VIEW_ZOOM_SMALL;
 698     }
 699     else if (zoom > 0.90 && zoom <= 1.15)
 700     {
 701         return wxWEB_VIEW_ZOOM_MEDIUM;
 702     }
 703     else if (zoom > 1.15 && zoom <= 1.45)
 704     {
 705         return wxWEB_VIEW_ZOOM_LARGE;
 706     }
 707     else if (zoom > 1.45)
 708     {
 709         return wxWEB_VIEW_ZOOM_LARGEST;
 710     }
 711
 712     // to shut up compilers, this can never be reached logically
 713     wxASSERT(false);
 714     return wxWEB_VIEW_ZOOM_MEDIUM;
 715 }
 716
 717
 718 void wxWebViewWebKit::SetZoom(wxWebViewZoom zoom)
 719 {
 720     // arbitrary way to map our common zoom enum to float zoom
 721     switch (zoom)
 722     {
 723         case wxWEB_VIEW_ZOOM_TINY:
 724             SetWebkitZoom(0.6f);
 725             break;
 726
 727         case wxWEB_VIEW_ZOOM_SMALL:
 728             SetWebkitZoom(0.8f);
 729             break;
 730
 731         case wxWEB_VIEW_ZOOM_MEDIUM:
 732             SetWebkitZoom(1.0f);
 733             break;
 734
 735         case wxWEB_VIEW_ZOOM_LARGE:
 736             SetWebkitZoom(1.3);
 737             break;
 738
 739         case wxWEB_VIEW_ZOOM_LARGEST:
 740             SetWebkitZoom(1.6);
 741             break;
 742
 743         default:
 744             wxASSERT(false);
 745     }
 746 }
 747
 748 void wxWebViewWebKit::SetZoomType(wxWebViewZoomType type)
 749 {
 750     webkit_web_view_set_full_content_zoom(m_web_view,
 751                                           (type == wxWEB_VIEW_ZOOM_TYPE_LAYOUT ?
 752                                           TRUE : FALSE));
 753 }
 754
 755 wxWebViewZoomType wxWebViewWebKit::GetZoomType() const
 756 {
 757     gboolean fczoom = webkit_web_view_get_full_content_zoom(m_web_view);
 758
 759     if (fczoom) return wxWEB_VIEW_ZOOM_TYPE_LAYOUT;
 760     else        return wxWEB_VIEW_ZOOM_TYPE_TEXT;
 761 }
 762
 763 bool wxWebViewWebKit::CanSetZoomType(wxWebViewZoomType) const
 764 {
 765     // this port supports all zoom types
 766     return true;
 767 }
 768
 769 void wxWebViewWebKit::SetPage(const wxString& html, const wxString& baseUri)
 770 {
 771     webkit_web_view_load_string (m_web_view,
 772                                  html.mb_str(wxConvUTF8),
 773                                  "text/html",
 774                                  "UTF-8",
 775                                  baseUri.mb_str(wxConvUTF8));
 776 }
 777
 778 void wxWebViewWebKit::Print()
 779 {
 780     WebKitWebFrame* frame = webkit_web_view_get_main_frame(m_web_view);
 781     webkit_web_frame_print (frame);
 782
 783     // GtkPrintOperationResult  webkit_web_frame_print_full
 784     //      (WebKitWebFrame *frame,
 785     //       GtkPrintOperation *operation,
 786     //       GtkPrintOperationAction action,
 787     //       GError **error);
 788
 789 }
 790
 791
 792 bool wxWebViewWebKit::IsBusy() const
 793 {
 794     return m_busy;
 795
 796     // This code looks nice but returns true after a page was cancelled
 797     /*
 798     WebKitLoadStatus status = webkit_web_view_get_load_status
 799             (WEBKIT_WEB_VIEW(web_view));
 800
 801
 802 #if WEBKIT_CHECK_VERSION(1,1,16)
 803     // WEBKIT_LOAD_FAILED is new in webkit 1.1.16
 804     if (status == WEBKIT_LOAD_FAILED)
 805     {
 806         return false;
 807     }
 808 #endif
 809     if (status == WEBKIT_LOAD_FINISHED)
 810     {
 811         return false;
 812     }
 813
 814     return true;
 815      */
 816 }
 817
 818 void wxWebViewWebKit::SetEditable(bool enable)
 819 {
 820     webkit_web_view_set_editable(m_web_view, enable);
 821 }
 822
 823 bool wxWebViewWebKit::IsEditable() const
 824 {
 825     return webkit_web_view_get_editable(m_web_view);
 826 }
 827
 828 void wxWebViewWebKit::DeleteSelection()
 829 {
 830     webkit_web_view_delete_selection(m_web_view);
 831 }
 832
 833 bool wxWebViewWebKit::HasSelection() const
 834 {
 835     return webkit_web_view_has_selection(m_web_view);
 836 }
 837
 838 void wxWebViewWebKit::SelectAll()
 839 {
 840     webkit_web_view_select_all(m_web_view);
 841 }
 842
 843 wxString wxWebViewWebKit::GetSelectedText() const
 844 {
 845     WebKitDOMDocument* doc;
 846     WebKitDOMDOMWindow* win;
 847     WebKitDOMDOMSelection* sel;
 848     WebKitDOMRange* range;
 849
 850     doc = webkit_web_view_get_dom_document(m_web_view);
 851     win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
 852     sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
 853     range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel),
 854                                                   0, NULL);
 855     return wxString(webkit_dom_range_get_text(WEBKIT_DOM_RANGE(range)),
 856                     wxConvUTF8);
 857 }
 858
 859 wxString wxWebViewWebKit::GetSelectedSource() const
 860 {
 861     WebKitDOMDocument* doc;
 862     WebKitDOMDOMWindow* win;
 863     WebKitDOMDOMSelection* sel;
 864     WebKitDOMRange* range;
 865     WebKitDOMElement* div;
 866     WebKitDOMDocumentFragment* clone;
 867     WebKitDOMHTMLElement* html;
 868
 869     doc = webkit_web_view_get_dom_document(m_web_view);
 870     win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
 871     sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
 872     range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel),
 873                                                   0, NULL);
 874     div = webkit_dom_document_create_element(WEBKIT_DOM_DOCUMENT(doc), "div", NULL);
 875
 876     clone = webkit_dom_range_clone_contents(WEBKIT_DOM_RANGE(range), NULL);
 877     webkit_dom_node_append_child(&div->parent_instance, &clone->parent_instance, NULL);
 878     html = (WebKitDOMHTMLElement*)div;
 879
 880     return wxString(webkit_dom_html_element_get_inner_html(WEBKIT_DOM_HTML_ELEMENT(html)),
 881                     wxConvUTF8);
 882 }
 883
 884 void wxWebViewWebKit::ClearSelection()
 885 {
 886     WebKitDOMDocument* doc;
 887     WebKitDOMDOMWindow* win;
 888     WebKitDOMDOMSelection* sel;
 889
 890     doc = webkit_web_view_get_dom_document(m_web_view);
 891     win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
 892     sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
 893     webkit_dom_dom_selection_remove_all_ranges(WEBKIT_DOM_DOM_SELECTION(sel));
 894
 895 }
 896
 897 wxString wxWebViewWebKit::GetPageText() const
 898 {
 899     WebKitDOMDocument* doc;
 900     WebKitDOMHTMLElement* body;
 901
 902     doc = webkit_web_view_get_dom_document(m_web_view);
 903     body = webkit_dom_document_get_body(WEBKIT_DOM_DOCUMENT(doc));
 904     return wxString(webkit_dom_html_element_get_inner_text(WEBKIT_DOM_HTML_ELEMENT(body)),
 905                     wxConvUTF8);
 906 }
 907
 908 void wxWebViewWebKit::RunScript(const wxString& javascript)
 909 {
 910     webkit_web_view_execute_script(m_web_view,
 911                                    javascript.mb_str(wxConvUTF8));
 912 }
 913
 914 void wxWebViewWebKit::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
 915 {
 916     m_handlerList.push_back(handler);
 917 }
 918
 919 // static
 920 wxVisualAttributes
 921 wxWebViewWebKit::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
 922 {
 923      return GetDefaultAttributesFromGTKWidget(webkit_web_view_new);
 924 }
 925
 926
 927 #endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT