[evolution/wip-webkit2] Instead of button_press_event use mouse-target-changed signal from WK2

[Tomas Popela <tpopela src gnome org>]

commit f02e34416371f62ef288b7659be9d9638d2ca28e
Author: Tomas Popela <tpopela redhat com>
Date:   Tue Oct 29 15:48:56 2013 +0100

    Instead of button_press_event use mouse-target-changed signal from WK2

 mail/e-mail-display.c |   31 +++++++++++++------------------
 1 files changed, 13 insertions(+), 18 deletions(-)
---
diff --git a/mail/e-mail-display.c b/mail/e-mail-display.c
index d719d4a..c6c0d0f 100644
--- a/mail/e-mail-display.c
+++ b/mail/e-mail-display.c
@@ -1085,19 +1085,17 @@ mail_display_style_updated (GtkWidget *widget)
                style_updated (widget);
 }
 
-static gboolean
-mail_display_button_press_event (GtkWidget *widget,
-                                 GdkEventButton *event)
+static void
+mail_display_mouse_target_changed_cb (EMailDisplay *display,
+                                      WebKitHitTestResult *hit_test_result,
+                                      guint modifiers,
+                                      gpointer user_data)
 {
-       EWebView *web_view = E_WEB_VIEW (widget);
-       WebKitHitTestResult *hit_test;
+       EWebView *web_view = E_WEB_VIEW (display);
        GList *list, *link;
 
-       if (event->button != 3)
-               goto chainup;
-
-       hit_test = webkit_web_view_get_hit_test_result (
-               WEBKIT_WEB_VIEW (web_view), event);
+       if (!(modifiers & GDK_BUTTON3_MASK))
+               return;
 
        list = e_extensible_list_extensions (
                E_EXTENSIBLE (web_view), E_TYPE_EXTENSION);
@@ -1108,16 +1106,9 @@ mail_display_button_press_event (GtkWidget *widget,
                        continue;
 
                e_mail_display_popup_extension_update_actions (
-                       E_MAIL_DISPLAY_POPUP_EXTENSION (extension), hit_test);
+                       E_MAIL_DISPLAY_POPUP_EXTENSION (extension), hit_test_result);
        }
        g_list_free (list);
-
-       g_object_unref (hit_test);
-
-chainup:
-       /* Chain up to parent's button_press_event() method. */
-       return GTK_WIDGET_CLASS (e_mail_display_parent_class)->
-               button_press_event (widget, event);
 }
 
 static gchar *
@@ -1441,6 +1432,10 @@ e_mail_display_init (EMailDisplay *display)
                display, "notify::uri",
                G_CALLBACK (mail_display_uri_changed), NULL);
 
+       g_signal_connect (
+               display, "mouse-target-changed",
+               G_CALLBACK (mail_display_mouse_target_changed_cb), NULL);
+
        display->priv->settings = g_settings_new ("org.gnome.evolution.mail");
        g_signal_connect_swapped (
                display->priv->settings , "changed::monospace-font",