Fix Toggling of preferences leaving empty view
[claws.git] / src / plugins / fancy / fancy_viewer.c
index 3e818f884b431561175d6a22487738ace128d765..990cb9d5c4f23b45c95651c0afea7798bfa993e0 100644 (file)
@@ -42,12 +42,9 @@ static void
 over_link_cb (WebKitWebView *view, const gchar *wtf, const gchar *link,
              FancyViewer *viewer, void *wtfa);
 
-static void
-load_progress_cb (WebKitWebView *view, gint progress, FancyViewer *viewer);
 
-static WebKitNavigationResponse
-navigation_requested_cb (WebKitWebView *view, WebKitWebFrame *frame,
-                        WebKitNetworkRequest *netreq, FancyViewer *viewer);
+static void
+load_progress_cb(WebKitWebView *view, GParamSpec* pspec, FancyViewer *viewer);
 
 static MimeViewerFactory fancy_viewer_factory;
 
@@ -71,6 +68,7 @@ static size_t download_file_curl_write_cb(void *buffer, size_t size,
                                          size_t nmemb, void *data);
 static void *download_file_curl (void *data);
 static void download_file_cb(GtkWidget *widget, FancyViewer *viewer);
+static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults);
 
 #if !WEBKIT_CHECK_VERSION (1,5,1)
 gchar* webkit_web_view_get_selected_text(WebKitWebView* web_view);
@@ -109,31 +107,31 @@ static void fancy_apply_prefs(FancyViewer *viewer)
 static void fancy_auto_load_images_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
        viewer->override_prefs_images = gtk_check_menu_item_get_active(item);
        fancy_apply_prefs(viewer);
-       webkit_web_view_reload (viewer->view);
+       fancy_set_contents(viewer, FALSE);
 }
 
 static void fancy_enable_remote_content_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
        viewer->override_prefs_remote_content = gtk_check_menu_item_get_active(item);
        fancy_apply_prefs(viewer);
-       webkit_web_view_reload (viewer->view);
+       fancy_set_contents(viewer, FALSE);
 }
 
 static void fancy_enable_scripts_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
        viewer->override_prefs_scripts = gtk_check_menu_item_get_active(item);
        fancy_apply_prefs(viewer);
-       webkit_web_view_reload (viewer->view);
+       fancy_set_contents(viewer, FALSE);
 }
 
 static void fancy_enable_plugins_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
        viewer->override_prefs_plugins = gtk_check_menu_item_get_active(item);
        fancy_apply_prefs(viewer);
-       webkit_web_view_reload (viewer->view);
+       fancy_set_contents(viewer, FALSE);
 }
 
 static void fancy_enable_java_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
        viewer->override_prefs_java = gtk_check_menu_item_get_active(item);
        fancy_apply_prefs(viewer);
-       webkit_web_view_reload (viewer->view);
+       fancy_set_contents(viewer, FALSE);
 }
 
 static void fancy_open_external_activated(GtkCheckMenuItem *item, FancyViewer *viewer) {
@@ -199,18 +197,8 @@ static void fancy_set_defaults(FancyViewer *viewer)
        fancy_apply_prefs(viewer);
 }
 
-static void fancy_load_uri(FancyViewer *viewer, const gchar *uri)
+static gboolean fancy_set_contents(FancyViewer *viewer, gboolean use_defaults)
 {
-#if WEBKIT_CHECK_VERSION(1,1,1)
-       webkit_web_view_load_uri(viewer->view, uri);
-#else
-       webkit_web_view_open(viewer->view, uri);
-#endif
-}
-
-static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
-{
-       FancyViewer *viewer = (FancyViewer *) _viewer;
        MessageView *messageview = ((MimeViewer *)viewer)->mimeview
                                        ? ((MimeViewer *)viewer)->mimeview->messageview
                                        : NULL;
@@ -240,30 +228,45 @@ static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
        }
        else {
                const gchar *charset = NULL;
+               gchar *contents = NULL;
                if (messageview && messageview->forced_charset)
-                       charset = _viewer->mimeview->messageview->forced_charset;
+                       charset = ((MimeViewer *)viewer)->mimeview->messageview->forced_charset;
                else
                        charset = procmime_mimeinfo_get_parameter(partinfo, "charset");
                if (!charset)
                        charset = conv_get_locale_charset_str();
                debug_print("using %s charset\n", charset);
                g_object_set(viewer->settings, "default-encoding", charset, NULL);
-               gchar *tmp = g_filename_to_uri(viewer->filename, NULL, NULL);
-               debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
-               webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
+               
+               if (use_defaults) {
+                       debug_print("zoom_level: %i\n", fancy_prefs.zoom_level);
+                       webkit_web_view_set_zoom_level(viewer->view, (fancy_prefs.zoom_level / 100.0));
 
-               fancy_set_defaults(viewer);
-               fancy_load_uri(viewer, tmp);
+                       fancy_set_defaults(viewer);
+               }
 
-               g_free(tmp);
+               contents = file_read_to_str_no_recode(viewer->filename);
+               webkit_web_view_load_string(viewer->view,
+                                           contents,
+                                           "text/html",
+                                           charset,
+                                           NULL);
+               g_free(contents);
        }
        viewer->loading = FALSE;
        return FALSE;
 }
+
+static gboolean fancy_show_mimepart_real(MimeViewer *_viewer)
+{
+       return fancy_set_contents((FancyViewer *)_viewer, TRUE);
+}
+
 static void fancy_show_notice(FancyViewer *viewer, const gchar *message)
 {
        gtk_label_set_text(GTK_LABEL(viewer->l_link), message);
 }
+
 static gint fancy_show_mimepart_prepare(MimeViewer *_viewer)
 {
        FancyViewer *viewer = (FancyViewer *) _viewer;
@@ -349,7 +352,7 @@ static void fancy_clear_viewer(MimeViewer *_viewer)
        viewer->cur_link = NULL;
        fancy_set_defaults(viewer);
 
-       fancy_load_uri(viewer, "about:blank");
+       webkit_web_view_load_uri(viewer->view, "about:blank");
 
        debug_print("fancy_clear_viewer\n");
        fancy_prefs.zoom_level = webkit_web_view_get_zoom_level(viewer->view) * 100;
@@ -368,25 +371,35 @@ static void fancy_destroy_viewer(MimeViewer *_viewer)
        g_free(viewer);
 }
 
-static WebKitNavigationResponse
-navigation_requested_cb(WebKitWebView *view, WebKitWebFrame *frame,
-                                               WebKitNetworkRequest *netreq, FancyViewer *viewer)
+static gboolean
+navigation_policy_cb (WebKitWebView             *web_view,
+                     WebKitWebFrame            *frame,
+                     WebKitNetworkRequest      *request,
+                     WebKitWebNavigationAction *navigation_action,
+                     WebKitWebPolicyDecision   *policy_decision,
+                     FancyViewer               *viewer)
 {
-       const gchar *uri = webkit_network_request_get_uri(netreq);
+       const gchar *uri = webkit_network_request_get_uri(request);
 
        debug_print("navigation requested to %s\n", uri);
 
        if (!strncmp(uri, "mailto:", 7)) {
+               debug_print("Opening message window\n");
                compose_new(NULL, uri + 7, NULL);
-               return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
-       } else if (!strncmp(uri, "file://", 7)) {
-               return WEBKIT_NAVIGATION_RESPONSE_ACCEPT;
-       } else if (viewer->override_prefs_remote_content)
-               return WEBKIT_NAVIGATION_RESPONSE_ACCEPT;
-       else {
+               webkit_web_policy_decision_ignore(policy_decision);
+       } else if (!strncmp(uri, "file://", 7) || !strcmp(uri, "about:blank")) {
+               debug_print("local navigation request ACCEPTED\n");
+               webkit_web_policy_decision_use(policy_decision);
+       } else if (viewer->override_prefs_remote_content) {
+               debug_print("remote navigation request ACCEPTED\n");
+               webkit_web_policy_decision_use(policy_decision);
+       } else {
+               debug_print("remote navigation request IGNORED\n");
                fancy_show_notice(viewer, _("Remote content loading is disabled."));
-               return WEBKIT_NAVIGATION_RESPONSE_IGNORE;
+               webkit_web_policy_decision_ignore(policy_decision);
        }
+
+       return true;
 }
 
 static void resource_request_starting_cb(WebKitWebView         *view,
@@ -560,17 +573,33 @@ static void over_link_cb(WebKitWebView *view, const gchar *wtf,
        }
 }
 
-static void load_progress_cb(WebKitWebView *view, gint progress,
+static void load_progress_cb(WebKitWebView *view, GParamSpec* pspec,
                             FancyViewer *viewer)
 {
-       gdouble pbar;
-       gchar *label = g_strdup_printf("%d%% Loading...", progress);
-       pbar = (gdouble) progress / 100;
+       WebKitLoadStatus status = webkit_web_view_get_load_status(viewer->view);
+       gdouble pbar = webkit_web_view_get_progress(viewer->view);
+       const gchar *uri = webkit_web_view_get_uri(viewer->view);
+
+       gchar *label = g_strdup_printf("%d%% Loading...", (gint)(pbar * 100));
        gtk_progress_bar_set_fraction(GTK_PROGRESS_BAR(viewer->progress), pbar);
        gtk_progress_bar_set_text(GTK_PROGRESS_BAR(viewer->progress),
                                  (const gchar*)label);
        g_free(label);
+
+       switch (status) {
+               case WEBKIT_LOAD_PROVISIONAL:
+               case WEBKIT_LOAD_COMMITTED:
+               case WEBKIT_LOAD_FIRST_VISUALLY_NON_EMPTY_LAYOUT:
+                       break;
+               case WEBKIT_LOAD_FAILED:
+                       debug_print("Load failed: %s\n", uri);
+                       break;
+               case WEBKIT_LOAD_FINISHED:
+                       debug_print("Load finished: %s\n", uri);
+                       break;
+       }
 }
+
 static void stop_loading_cb(GtkWidget *widget, GdkEvent *ev,
                                                        FancyViewer *viewer)
 {
@@ -594,11 +623,8 @@ static void search_the_web_cb(GtkWidget *widget, FancyViewer *viewer)
                gchar *tmp = webkit_web_view_get_selected_text(viewer->view);
 #endif
                search = g_strconcat(GOOGLE_SEARCH, tmp, NULL);
-#if WEBKIT_CHECK_VERSION(1,1,1)
+
                webkit_web_view_load_uri(viewer->view, search);
-#else
-               webkit_web_view_open(viewer->view, search);
-#endif
                g_free(search);
                g_free(tmp);
        }
@@ -893,6 +919,17 @@ static void zoom_out_cb(GtkWidget *widget, GdkEvent *ev, FancyViewer *viewer)
        webkit_web_view_zoom_out(viewer->view);
 }
 
+#if WEBKIT_CHECK_VERSION (1,7,5)
+static void resource_load_failed_cb(WebKitWebView     *web_view,
+                                   WebKitWebFrame    *web_frame,
+                                   WebKitWebResource *web_resource,
+                                   GError            *error,
+                                   FancyViewer       *viewer)
+{
+       debug_print("Loading error: %s\n", error->message);
+}
+#endif
+
 static MimeViewer *fancy_viewer_create(void)
 {
        FancyViewer    *viewer;
@@ -1009,10 +1046,15 @@ static MimeViewer *fancy_viewer_create(void)
                         G_CALLBACK(load_finished_cb), viewer);
        g_signal_connect(G_OBJECT(viewer->view), "hovering-over-link",
                         G_CALLBACK(over_link_cb), viewer);
-       g_signal_connect(G_OBJECT(viewer->view), "load-progress-changed",
+
+       g_signal_connect(G_OBJECT(viewer->view), "notify::progress",
                         G_CALLBACK(load_progress_cb), viewer);
-       g_signal_connect(G_OBJECT(viewer->view), "navigation-requested",
-                        G_CALLBACK(navigation_requested_cb), viewer);
+       g_signal_connect(G_OBJECT(viewer->view), "notify::load-status",
+                        G_CALLBACK(load_progress_cb), viewer);
+
+       g_signal_connect(G_OBJECT(viewer->view), "navigation-policy-decision-requested",
+                        G_CALLBACK(navigation_policy_cb), viewer);
+
        g_signal_connect(G_OBJECT(viewer->view), "resource-request-starting",
                        G_CALLBACK(resource_request_starting_cb), viewer);
        g_signal_connect(G_OBJECT(viewer->view), "populate-popup",
@@ -1034,6 +1076,11 @@ static MimeViewer *fancy_viewer_create(void)
        g_signal_connect(G_OBJECT(viewer->view), "key_press_event",
                         G_CALLBACK(keypress_events_cb), viewer);
 
+#if WEBKIT_CHECK_VERSION (1,7,5)
+       g_signal_connect(G_OBJECT(viewer->view), "resource-load-failed",
+                        G_CALLBACK(resource_load_failed_cb), viewer);
+#endif
+
        viewer->filename = NULL;
        return (MimeViewer *) viewer;
 }