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8ab75332894d55b557102c5a287727ca635cb1ff
wxWidgets/src/gtk/webview_webkit.cpp
Paul Cornett 8ab7533289 Disconnect all GTK signals referencing a wx object which is being destructed 
or which is destroying the associated GTK object


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@72696 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2012-10-17 16:23:18 +00:00

1012 lines
30 KiB
C++
Raw Blame History

/////////////////////////////////////////////////////////////////////////////
// Name: src/gtk/webview_webkit.cpp
// Purpose: GTK WebKit backend for web view component
// Author: Marianne Gagnon, Robert Roebling
// Id: $Id$
// Copyright: (c) 2010 Marianne Gagnon, 1998 Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#if wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT
#include "wx/stockitem.h"
#include "wx/gtk/webview_webkit.h"
#include "wx/gtk/control.h"
#include "wx/gtk/private.h"
#include "wx/filesys.h"
#include "wx/base64.h"
#include "wx/log.h"
#include <webkit/webkit.h>
// ----------------------------------------------------------------------------
// GTK callbacks
// ----------------------------------------------------------------------------
extern "C"
{
static void
wxgtk_webview_webkit_load_status(GtkWidget* widget,
GParamSpec*,
wxWebViewWebKit *webKitCtrl)
{
wxString url = webKitCtrl->GetCurrentURL();
WebKitLoadStatus status;
g_object_get(G_OBJECT(widget), "load-status", &status, NULL);
wxString target; // TODO: get target (if possible)
if (status == WEBKIT_LOAD_FINISHED)
{
WebKitWebBackForwardList* hist = webkit_web_view_get_back_forward_list(WEBKIT_WEB_VIEW(widget));
WebKitWebHistoryItem* item = webkit_web_back_forward_list_get_current_item(hist);
//We have to check if we are actually storing history
//If the item isn't added we add it ourselves, it isn't added otherwise
//with a custom scheme.
if(WEBKIT_IS_WEB_HISTORY_ITEM(item) && webkit_web_history_item_get_uri(item) != url)
{
WebKitWebHistoryItem*
newitem = webkit_web_history_item_new_with_data
(
url.utf8_str(),
webKitCtrl->GetCurrentTitle().utf8_str()
);
webkit_web_back_forward_list_add_item(hist, newitem);
}
webKitCtrl->m_busy = false;
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_LOADED,
webKitCtrl->GetId(),
url, target);
if (webKitCtrl && webKitCtrl->GetEventHandler())
webKitCtrl->GetEventHandler()->ProcessEvent(event);
}
else if (status == WEBKIT_LOAD_COMMITTED)
{
webKitCtrl->m_busy = true;
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
webKitCtrl->GetId(),
url, target);
if (webKitCtrl && webKitCtrl->GetEventHandler())
webKitCtrl->GetEventHandler()->ProcessEvent(event);
}
}
static gboolean
wxgtk_webview_webkit_navigation(WebKitWebView *,
WebKitWebFrame *frame,
WebKitNetworkRequest *request,
WebKitWebNavigationAction *,
WebKitWebPolicyDecision *policy_decision,
wxWebViewWebKit *webKitCtrl)
{
if(webKitCtrl->m_guard)
{
webKitCtrl->m_guard = false;
//We set this to make sure that we don't try to load the page again from
//the resource request callback
webKitCtrl->m_vfsurl = webkit_network_request_get_uri(request);
webkit_web_policy_decision_use(policy_decision);
return FALSE;
}
webKitCtrl->m_busy = true;
const gchar* uri = webkit_network_request_get_uri(request);
wxString target = webkit_web_frame_get_name (frame);
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
webKitCtrl->GetId(),
wxString( uri, wxConvUTF8 ),
target);
if (webKitCtrl && webKitCtrl->GetEventHandler())
webKitCtrl->GetEventHandler()->ProcessEvent(event);
if (!event.IsAllowed())
{
webKitCtrl->m_busy = false;
webkit_web_policy_decision_ignore(policy_decision);
return TRUE;
}
else
{
wxString wxuri = uri;
wxSharedPtr<wxWebViewHandler> handler;
wxVector<wxSharedPtr<wxWebViewHandler> > hanlders = webKitCtrl->GetHandlers();
//We are not vetoed so see if we match one of the additional handlers
for(wxVector<wxSharedPtr<wxWebViewHandler> >::iterator it = hanlders.begin();
it != hanlders.end(); ++it)
{
if(wxuri.substr(0, (*it)->GetName().length()) == (*it)->GetName())
{
handler = (*it);
}
}
//If we found a handler we can then use it to load the file directly
//ourselves
if(handler)
{
webKitCtrl->m_guard = true;
wxFSFile* file = handler->GetFile(wxuri);
if(file)
{
webKitCtrl->SetPage(*file->GetStream(), wxuri);
}
//We need to throw some sort of error here if file is NULL
webkit_web_policy_decision_ignore(policy_decision);
return TRUE;
}
return FALSE;
}
}
static gboolean
wxgtk_webview_webkit_error(WebKitWebView*,
WebKitWebFrame*,
gchar *uri,
gpointer web_error,
wxWebViewWebKit* webKitWindow)
{
webKitWindow->m_busy = false;
wxWebViewNavigationError type = wxWEB_NAV_ERR_OTHER;
GError* error = (GError*)web_error;
wxString description(error->message, wxConvUTF8);
if (strcmp(g_quark_to_string(error->domain), "soup_http_error_quark") == 0)
{
switch (error->code)
{
case SOUP_STATUS_CANCELLED:
type = wxWEB_NAV_ERR_USER_CANCELLED;
break;
case SOUP_STATUS_CANT_RESOLVE:
case SOUP_STATUS_NOT_FOUND:
type = wxWEB_NAV_ERR_NOT_FOUND;
break;
case SOUP_STATUS_CANT_RESOLVE_PROXY:
case SOUP_STATUS_CANT_CONNECT:
case SOUP_STATUS_CANT_CONNECT_PROXY:
case SOUP_STATUS_SSL_FAILED:
case SOUP_STATUS_IO_ERROR:
type = wxWEB_NAV_ERR_CONNECTION;
break;
case SOUP_STATUS_MALFORMED:
//case SOUP_STATUS_TOO_MANY_REDIRECTS:
type = wxWEB_NAV_ERR_REQUEST;
break;
//case SOUP_STATUS_NO_CONTENT:
//case SOUP_STATUS_RESET_CONTENT:
case SOUP_STATUS_BAD_REQUEST:
type = wxWEB_NAV_ERR_REQUEST;
break;
case SOUP_STATUS_UNAUTHORIZED:
case SOUP_STATUS_FORBIDDEN:
type = wxWEB_NAV_ERR_AUTH;
break;
case SOUP_STATUS_METHOD_NOT_ALLOWED:
case SOUP_STATUS_NOT_ACCEPTABLE:
type = wxWEB_NAV_ERR_SECURITY;
break;
case SOUP_STATUS_PROXY_AUTHENTICATION_REQUIRED:
type = wxWEB_NAV_ERR_AUTH;
break;
case SOUP_STATUS_REQUEST_TIMEOUT:
type = wxWEB_NAV_ERR_CONNECTION;
break;
//case SOUP_STATUS_PAYMENT_REQUIRED:
case SOUP_STATUS_REQUEST_ENTITY_TOO_LARGE:
case SOUP_STATUS_REQUEST_URI_TOO_LONG:
case SOUP_STATUS_UNSUPPORTED_MEDIA_TYPE:
type = wxWEB_NAV_ERR_REQUEST;
break;
case SOUP_STATUS_BAD_GATEWAY:
case SOUP_STATUS_SERVICE_UNAVAILABLE:
case SOUP_STATUS_GATEWAY_TIMEOUT:
type = wxWEB_NAV_ERR_CONNECTION;
break;
case SOUP_STATUS_HTTP_VERSION_NOT_SUPPORTED:
type = wxWEB_NAV_ERR_REQUEST;
break;
//case SOUP_STATUS_INSUFFICIENT_STORAGE:
//case SOUP_STATUS_NOT_EXTENDED:
}
}
else if (strcmp(g_quark_to_string(error->domain),
"webkit-network-error-quark") == 0)
{
switch (error->code)
{
//WEBKIT_NETWORK_ERROR_FAILED:
//WEBKIT_NETWORK_ERROR_TRANSPORT:
case WEBKIT_NETWORK_ERROR_UNKNOWN_PROTOCOL:
type = wxWEB_NAV_ERR_REQUEST;
break;
case WEBKIT_NETWORK_ERROR_CANCELLED:
type = wxWEB_NAV_ERR_USER_CANCELLED;
break;
case WEBKIT_NETWORK_ERROR_FILE_DOES_NOT_EXIST:
type = wxWEB_NAV_ERR_NOT_FOUND;
break;
}
}
else if (strcmp(g_quark_to_string(error->domain),
"webkit-policy-error-quark") == 0)
{
switch (error->code)
{
//case WEBKIT_POLICY_ERROR_FAILED:
//case WEBKIT_POLICY_ERROR_CANNOT_SHOW_MIME_TYPE:
//case WEBKIT_POLICY_ERROR_CANNOT_SHOW_URL:
//case WEBKIT_POLICY_ERROR_FRAME_LOAD_INTERRUPTED_BY_POLICY_CHANGE:
case WEBKIT_POLICY_ERROR_CANNOT_USE_RESTRICTED_PORT:
type = wxWEB_NAV_ERR_SECURITY;
break;
}
}
/*
webkit_plugin_error_quark
else
{
printf("Error domain %s\n", g_quark_to_string(error->domain));
}
*/
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_ERROR,
webKitWindow->GetId(),
uri, "");
event.SetString(description);
event.SetInt(type);
if (webKitWindow && webKitWindow->GetEventHandler())
{
webKitWindow->GetEventHandler()->ProcessEvent(event);
}
return FALSE;
}
static gboolean
wxgtk_webview_webkit_new_window(WebKitWebView*,
WebKitWebFrame *frame,
WebKitNetworkRequest *request,
WebKitWebNavigationAction*,
WebKitWebPolicyDecision *policy_decision,
wxWebViewWebKit *webKitCtrl)
{
const gchar* uri = webkit_network_request_get_uri(request);
wxString target = webkit_web_frame_get_name (frame);
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
webKitCtrl->GetId(),
wxString( uri, wxConvUTF8 ),
target);
if (webKitCtrl && webKitCtrl->GetEventHandler())
webKitCtrl->GetEventHandler()->ProcessEvent(event);
//We always want the user to handle this themselves
webkit_web_policy_decision_ignore(policy_decision);
return TRUE;
}
static void
wxgtk_webview_webkit_title_changed(WebKitWebView*,
WebKitWebFrame*,
gchar *title,
wxWebViewWebKit *webKitCtrl)
{
wxWebViewEvent event(wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED,
webKitCtrl->GetId(),
webKitCtrl->GetCurrentURL(),
"");
event.SetString(wxString(title, wxConvUTF8));
if (webKitCtrl && webKitCtrl->GetEventHandler())
webKitCtrl->GetEventHandler()->ProcessEvent(event);
}
static void
wxgtk_webview_webkit_resource_req(WebKitWebView *,
WebKitWebFrame *,
WebKitWebResource *,
WebKitNetworkRequest *request,
WebKitNetworkResponse *,
wxWebViewWebKit *webKitCtrl)
{
wxString uri = webkit_network_request_get_uri(request);
wxSharedPtr<wxWebViewHandler> handler;
wxVector<wxSharedPtr<wxWebViewHandler> > hanlders = webKitCtrl->GetHandlers();
//We are not vetoed so see if we match one of the additional handlers
for(wxVector<wxSharedPtr<wxWebViewHandler> >::iterator it = hanlders.begin();
it != hanlders.end(); ++it)
{
if(uri.substr(0, (*it)->GetName().length()) == (*it)->GetName())
{
handler = (*it);
}
}
//If we found a handler we can then use it to load the file directly
//ourselves
if(handler)
{
//If it is requsting the page itself then return as we have already
//loaded it from the archive
if(webKitCtrl->m_vfsurl == uri)
return;
wxFSFile* file = handler->GetFile(uri);
if(file)
{
//We load the data into a data url to save it being written out again
size_t size = file->GetStream()->GetLength();
char *buffer = new char[size];
file->GetStream()->Read(buffer, size);
wxString data = wxBase64Encode(buffer, size);
delete[] buffer;
wxString mime = file->GetMimeType();
wxString path = "data:" + mime + ";base64," + data;
//Then we can redirect the call
webkit_network_request_set_uri(request, path.utf8_str());
}
}
}
} // extern "C"
//-----------------------------------------------------------------------------
// wxWebViewWebKit
//-----------------------------------------------------------------------------
wxIMPLEMENT_DYNAMIC_CLASS(wxWebViewWebKit, wxWebView);
wxWebViewWebKit::wxWebViewWebKit()
{
m_web_view = NULL;
}
bool wxWebViewWebKit::Create(wxWindow *parent,
wxWindowID id,
const wxString &url,
const wxPoint& pos,
const wxSize& size,
long style,
const wxString& name)
{
m_busy = false;
m_guard = false;
FindClear();
// We currently unconditionally impose scrolling in both directions as it's
// necessary to show arbitrary pages.
style |= wxHSCROLL | wxVSCROLL;
if (!PreCreation( parent, pos, size ) ||
!CreateBase( parent, id, pos, size, style, wxDefaultValidator, name ))
{
wxFAIL_MSG( wxT("wxWebViewWebKit creation failed") );
return false;
}
m_web_view = WEBKIT_WEB_VIEW(webkit_web_view_new());
GTKCreateScrolledWindowWith(GTK_WIDGET(m_web_view));
g_object_ref(m_widget);
g_signal_connect_after(m_web_view, "navigation-policy-decision-requested",
G_CALLBACK(wxgtk_webview_webkit_navigation),
this);
g_signal_connect_after(m_web_view, "load-error",
G_CALLBACK(wxgtk_webview_webkit_error),
this);
g_signal_connect_after(m_web_view, "new-window-policy-decision-requested",
G_CALLBACK(wxgtk_webview_webkit_new_window), this);
g_signal_connect_after(m_web_view, "title-changed",
G_CALLBACK(wxgtk_webview_webkit_title_changed), this);
g_signal_connect_after(m_web_view, "resource-request-starting",
G_CALLBACK(wxgtk_webview_webkit_resource_req), this);
m_parent->DoAddChild( this );
PostCreation(size);
/* Open a webpage */
webkit_web_view_load_uri(m_web_view, url.utf8_str());
//Get the initial history limit so we can enable and disable it later
WebKitWebBackForwardList* history;
history = webkit_web_view_get_back_forward_list(m_web_view);
m_historyLimit = webkit_web_back_forward_list_get_limit(history);
// last to avoid getting signal too early
g_signal_connect_after(m_web_view, "notify::load-status",
G_CALLBACK(wxgtk_webview_webkit_load_status),
this);
return true;
}
wxWebViewWebKit::~wxWebViewWebKit()
{
if (m_web_view)
GTKDisconnect(m_web_view);
}
bool wxWebViewWebKit::Enable( bool enable )
{
if (!wxControl::Enable(enable))
return false;
gtk_widget_set_sensitive(gtk_bin_get_child(GTK_BIN(m_widget)), enable);
//if (enable)
// GTKFixSensitivity();
return true;
}
GdkWindow*
wxWebViewWebKit::GTKGetWindow(wxArrayGdkWindows& WXUNUSED(windows)) const
{
GdkWindow* window = gtk_widget_get_parent_window(m_widget);
return window;
}
void wxWebViewWebKit::ZoomIn()
{
webkit_web_view_zoom_in(m_web_view);
}
void wxWebViewWebKit::ZoomOut()
{
webkit_web_view_zoom_out(m_web_view);
}
void wxWebViewWebKit::SetWebkitZoom(float level)
{
webkit_web_view_set_zoom_level(m_web_view, level);
}
float wxWebViewWebKit::GetWebkitZoom() const
{
return webkit_web_view_get_zoom_level(m_web_view);
}
void wxWebViewWebKit::Stop()
{
webkit_web_view_stop_loading(m_web_view);
}
void wxWebViewWebKit::Reload(wxWebViewReloadFlags flags)
{
if (flags & wxWEB_VIEW_RELOAD_NO_CACHE)
{
webkit_web_view_reload_bypass_cache(m_web_view);
}
else
{
webkit_web_view_reload(m_web_view);
}
}
void wxWebViewWebKit::LoadURL(const wxString& url)
{
webkit_web_view_load_uri(m_web_view, wxGTK_CONV(url));
}
void wxWebViewWebKit::GoBack()
{
webkit_web_view_go_back(m_web_view);
}
void wxWebViewWebKit::GoForward()
{
webkit_web_view_go_forward(m_web_view);
}
bool wxWebViewWebKit::CanGoBack() const
{
return webkit_web_view_can_go_back(m_web_view);
}
bool wxWebViewWebKit::CanGoForward() const
{
return webkit_web_view_can_go_forward(m_web_view);
}
void wxWebViewWebKit::ClearHistory()
{
WebKitWebBackForwardList* history;
history = webkit_web_view_get_back_forward_list(m_web_view);
webkit_web_back_forward_list_clear(history);
}
void wxWebViewWebKit::EnableHistory(bool enable)
{
WebKitWebBackForwardList* history;
history = webkit_web_view_get_back_forward_list(m_web_view);
if(enable)
{
webkit_web_back_forward_list_set_limit(history, m_historyLimit);
}
else
{
webkit_web_back_forward_list_set_limit(history, 0);
}
}
wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetBackwardHistory()
{
wxVector<wxSharedPtr<wxWebViewHistoryItem> > backhist;
WebKitWebBackForwardList* history;
history = webkit_web_view_get_back_forward_list(m_web_view);
GList* list = webkit_web_back_forward_list_get_back_list_with_limit(history,
m_historyLimit);
//We need to iterate in reverse to get the order we desire
for(int i = g_list_length(list) - 1; i >= 0 ; i--)
{
WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)g_list_nth_data(list, i);
wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(
webkit_web_history_item_get_uri(gtkitem),
webkit_web_history_item_get_title(gtkitem));
wxitem->m_histItem = gtkitem;
wxSharedPtr<wxWebViewHistoryItem> item(wxitem);
backhist.push_back(item);
}
return backhist;
}
wxVector<wxSharedPtr<wxWebViewHistoryItem> > wxWebViewWebKit::GetForwardHistory()
{
wxVector<wxSharedPtr<wxWebViewHistoryItem> > forwardhist;
WebKitWebBackForwardList* history;
history = webkit_web_view_get_back_forward_list(m_web_view);
GList* list = webkit_web_back_forward_list_get_forward_list_with_limit(history,
m_historyLimit);
for(guint i = 0; i < g_list_length(list); i++)
{
WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)g_list_nth_data(list, i);
wxWebViewHistoryItem* wxitem = new wxWebViewHistoryItem(
webkit_web_history_item_get_uri(gtkitem),
webkit_web_history_item_get_title(gtkitem));
wxitem->m_histItem = gtkitem;
wxSharedPtr<wxWebViewHistoryItem> item(wxitem);
forwardhist.push_back(item);
}
return forwardhist;
}
void wxWebViewWebKit::LoadHistoryItem(wxSharedPtr<wxWebViewHistoryItem> item)
{
WebKitWebHistoryItem* gtkitem = (WebKitWebHistoryItem*)item->m_histItem;
if(gtkitem)
{
webkit_web_view_go_to_back_forward_item(m_web_view,
WEBKIT_WEB_HISTORY_ITEM(gtkitem));
}
}
bool wxWebViewWebKit::CanCut() const
{
return webkit_web_view_can_cut_clipboard(m_web_view);
}
bool wxWebViewWebKit::CanCopy() const
{
return webkit_web_view_can_copy_clipboard(m_web_view);
}
bool wxWebViewWebKit::CanPaste() const
{
return webkit_web_view_can_paste_clipboard(m_web_view);
}
void wxWebViewWebKit::Cut()
{
webkit_web_view_cut_clipboard(m_web_view);
}
void wxWebViewWebKit::Copy()
{
webkit_web_view_copy_clipboard(m_web_view);
}
void wxWebViewWebKit::Paste()
{
webkit_web_view_paste_clipboard(m_web_view);
}
bool wxWebViewWebKit::CanUndo() const
{
return webkit_web_view_can_undo(m_web_view);
}
bool wxWebViewWebKit::CanRedo() const
{
return webkit_web_view_can_redo(m_web_view);
}
void wxWebViewWebKit::Undo()
{
webkit_web_view_undo(m_web_view);
}
void wxWebViewWebKit::Redo()
{
webkit_web_view_redo(m_web_view);
}
wxString wxWebViewWebKit::GetCurrentURL() const
{
// FIXME: check which encoding the web kit control uses instead of
// assuming UTF8 (here and elsewhere too)
return wxString::FromUTF8(webkit_web_view_get_uri(m_web_view));
}
wxString wxWebViewWebKit::GetCurrentTitle() const
{
return wxString::FromUTF8(webkit_web_view_get_title(m_web_view));
}
wxString wxWebViewWebKit::GetPageSource() const
{
WebKitWebFrame* frame = webkit_web_view_get_main_frame(m_web_view);
WebKitWebDataSource* src = webkit_web_frame_get_data_source (frame);
// TODO: check encoding with
// const gchar*
// webkit_web_data_source_get_encoding(WebKitWebDataSource *data_source);
return wxString(webkit_web_data_source_get_data (src)->str, wxConvUTF8);
}
wxWebViewZoom wxWebViewWebKit::GetZoom() const
{
float zoom = GetWebkitZoom();
// arbitrary way to map float zoom to our common zoom enum
if (zoom <= 0.65)
{
return wxWEB_VIEW_ZOOM_TINY;
}
else if (zoom > 0.65 && zoom <= 0.90)
{
return wxWEB_VIEW_ZOOM_SMALL;
}
else if (zoom > 0.90 && zoom <= 1.15)
{
return wxWEB_VIEW_ZOOM_MEDIUM;
}
else if (zoom > 1.15 && zoom <= 1.45)
{
return wxWEB_VIEW_ZOOM_LARGE;
}
else if (zoom > 1.45)
{
return wxWEB_VIEW_ZOOM_LARGEST;
}
// to shut up compilers, this can never be reached logically
wxASSERT(false);
return wxWEB_VIEW_ZOOM_MEDIUM;
}
void wxWebViewWebKit::SetZoom(wxWebViewZoom zoom)
{
// arbitrary way to map our common zoom enum to float zoom
switch (zoom)
{
case wxWEB_VIEW_ZOOM_TINY:
SetWebkitZoom(0.6f);
break;
case wxWEB_VIEW_ZOOM_SMALL:
SetWebkitZoom(0.8f);
break;
case wxWEB_VIEW_ZOOM_MEDIUM:
SetWebkitZoom(1.0f);
break;
case wxWEB_VIEW_ZOOM_LARGE:
SetWebkitZoom(1.3);
break;
case wxWEB_VIEW_ZOOM_LARGEST:
SetWebkitZoom(1.6);
break;
default:
wxASSERT(false);
}
}
void wxWebViewWebKit::SetZoomType(wxWebViewZoomType type)
{
webkit_web_view_set_full_content_zoom(m_web_view,
(type == wxWEB_VIEW_ZOOM_TYPE_LAYOUT ?
TRUE : FALSE));
}
wxWebViewZoomType wxWebViewWebKit::GetZoomType() const
{
gboolean fczoom = webkit_web_view_get_full_content_zoom(m_web_view);
if (fczoom) return wxWEB_VIEW_ZOOM_TYPE_LAYOUT;
else return wxWEB_VIEW_ZOOM_TYPE_TEXT;
}
bool wxWebViewWebKit::CanSetZoomType(wxWebViewZoomType) const
{
// this port supports all zoom types
return true;
}
void wxWebViewWebKit::DoSetPage(const wxString& html, const wxString& baseUri)
{
webkit_web_view_load_string (m_web_view,
html.mb_str(wxConvUTF8),
"text/html",
"UTF-8",
baseUri.mb_str(wxConvUTF8));
}
void wxWebViewWebKit::Print()
{
WebKitWebFrame* frame = webkit_web_view_get_main_frame(m_web_view);
webkit_web_frame_print (frame);
// GtkPrintOperationResult webkit_web_frame_print_full
// (WebKitWebFrame *frame,
// GtkPrintOperation *operation,
// GtkPrintOperationAction action,
// GError **error);
}
bool wxWebViewWebKit::IsBusy() const
{
return m_busy;
// This code looks nice but returns true after a page was cancelled
/*
WebKitLoadStatus status = webkit_web_view_get_load_status
(WEBKIT_WEB_VIEW(web_view));
#if WEBKIT_CHECK_VERSION(1,1,16)
// WEBKIT_LOAD_FAILED is new in webkit 1.1.16
if (status == WEBKIT_LOAD_FAILED)
{
return false;
}
#endif
if (status == WEBKIT_LOAD_FINISHED)
{
return false;
}
return true;
*/
}
void wxWebViewWebKit::SetEditable(bool enable)
{
webkit_web_view_set_editable(m_web_view, enable);
}
bool wxWebViewWebKit::IsEditable() const
{
return webkit_web_view_get_editable(m_web_view);
}
void wxWebViewWebKit::DeleteSelection()
{
webkit_web_view_delete_selection(m_web_view);
}
bool wxWebViewWebKit::HasSelection() const
{
return webkit_web_view_has_selection(m_web_view);
}
void wxWebViewWebKit::SelectAll()
{
webkit_web_view_select_all(m_web_view);
}
wxString wxWebViewWebKit::GetSelectedText() const
{
WebKitDOMDocument* doc;
WebKitDOMDOMWindow* win;
WebKitDOMDOMSelection* sel;
WebKitDOMRange* range;
doc = webkit_web_view_get_dom_document(m_web_view);
win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel),
0, NULL);
return wxString(webkit_dom_range_get_text(WEBKIT_DOM_RANGE(range)),
wxConvUTF8);
}
wxString wxWebViewWebKit::GetSelectedSource() const
{
WebKitDOMDocument* doc;
WebKitDOMDOMWindow* win;
WebKitDOMDOMSelection* sel;
WebKitDOMRange* range;
WebKitDOMElement* div;
WebKitDOMDocumentFragment* clone;
WebKitDOMHTMLElement* html;
doc = webkit_web_view_get_dom_document(m_web_view);
win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
range = webkit_dom_dom_selection_get_range_at(WEBKIT_DOM_DOM_SELECTION(sel),
0, NULL);
div = webkit_dom_document_create_element(WEBKIT_DOM_DOCUMENT(doc), "div", NULL);
clone = webkit_dom_range_clone_contents(WEBKIT_DOM_RANGE(range), NULL);
webkit_dom_node_append_child(&div->parent_instance, &clone->parent_instance, NULL);
html = (WebKitDOMHTMLElement*)div;
return wxString(webkit_dom_html_element_get_inner_html(WEBKIT_DOM_HTML_ELEMENT(html)),
wxConvUTF8);
}
void wxWebViewWebKit::ClearSelection()
{
WebKitDOMDocument* doc;
WebKitDOMDOMWindow* win;
WebKitDOMDOMSelection* sel;
doc = webkit_web_view_get_dom_document(m_web_view);
win = webkit_dom_document_get_default_view(WEBKIT_DOM_DOCUMENT(doc));
sel = webkit_dom_dom_window_get_selection(WEBKIT_DOM_DOM_WINDOW(win));
webkit_dom_dom_selection_remove_all_ranges(WEBKIT_DOM_DOM_SELECTION(sel));
}
wxString wxWebViewWebKit::GetPageText() const
{
WebKitDOMDocument* doc;
WebKitDOMHTMLElement* body;
doc = webkit_web_view_get_dom_document(m_web_view);
body = webkit_dom_document_get_body(WEBKIT_DOM_DOCUMENT(doc));
return wxString(webkit_dom_html_element_get_inner_text(WEBKIT_DOM_HTML_ELEMENT(body)),
wxConvUTF8);
}
void wxWebViewWebKit::RunScript(const wxString& javascript)
{
webkit_web_view_execute_script(m_web_view,
javascript.mb_str(wxConvUTF8));
}
void wxWebViewWebKit::RegisterHandler(wxSharedPtr<wxWebViewHandler> handler)
{
m_handlerList.push_back(handler);
}
long wxWebViewWebKit::Find(const wxString& text, int flags)
{
bool newSearch = false;
if(text != m_findText ||
(flags & wxWEB_VIEW_FIND_MATCH_CASE) != (m_findFlags & wxWEB_VIEW_FIND_MATCH_CASE))
{
newSearch = true;
//If it is a new search we need to clear existing highlights
webkit_web_view_unmark_text_matches(m_web_view);
webkit_web_view_set_highlight_text_matches(m_web_view, false);
}
m_findFlags = flags;
m_findText = text;
//If the search string is empty then we clear any selection and highlight
if(text == "")
{
webkit_web_view_unmark_text_matches(m_web_view);
webkit_web_view_set_highlight_text_matches(m_web_view, false);
ClearSelection();
return wxNOT_FOUND;
}
bool wrap = false, matchCase = false, forward = true;
if(flags & wxWEB_VIEW_FIND_WRAP)
wrap = true;
if(flags & wxWEB_VIEW_FIND_MATCH_CASE)
matchCase = true;
if(flags & wxWEB_VIEW_FIND_BACKWARDS)
forward = false;
if(newSearch)
{
//Initially we mark the matches to know how many we have
m_findCount = webkit_web_view_mark_text_matches(m_web_view, wxGTK_CONV(text), matchCase, 0);
//In this case we return early to match IE behaviour
m_findPosition = -1;
return m_findCount;
}
else
{
if(forward)
m_findPosition++;
else
m_findPosition--;
if(m_findPosition < 0)
m_findPosition += m_findCount;
if(m_findPosition > m_findCount)
m_findPosition -= m_findCount;
}
//Highlight them if needed
bool highlight = flags & wxWEB_VIEW_FIND_HIGHLIGHT_RESULT ? true : false;
webkit_web_view_set_highlight_text_matches(m_web_view, highlight);
if(!webkit_web_view_search_text(m_web_view, wxGTK_CONV(text), matchCase, forward, wrap))
{
m_findPosition = -1;
ClearSelection();
return wxNOT_FOUND;
}
wxLogMessage(wxString::Format("Returning %d", m_findPosition));
return newSearch ? m_findCount : m_findPosition;
}
void wxWebViewWebKit::FindClear()
{
m_findCount = 0;
m_findFlags = 0;
m_findText = "";
m_findPosition = -1;
}
// static
wxVisualAttributes
wxWebViewWebKit::GetClassDefaultAttributes(wxWindowVariant WXUNUSED(variant))
{
return GetDefaultAttributesFromGTKWidget(webkit_web_view_new);
}
#endif // wxUSE_WEBVIEW && wxUSE_WEBVIEW_WEBKIT
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