[evolution/wip-webkit2: 5/11] Prepare e-web-view for WK2 WebExtensions

[Tomas Popela <tpopela src gnome org>]

commit b25660d07e8ad79012b13803830057f5ce72078a
Author: Tomas Popela <tpopela redhat com>
Date:   Fri Oct 18 08:22:09 2013 +0200

    Prepare e-web-view for WK2 WebExtensions

 e-util/e-web-view.c |   79 ++++++++++++++++++++++++++++++++++++++++++++++++++-
 e-util/e-web-view.h |    2 +
 2 files changed, 80 insertions(+), 1 deletions(-)
---
diff --git a/e-util/e-web-view.c b/e-util/e-web-view.c
index b60dce3..41c89fa 100644
--- a/e-util/e-web-view.c
+++ b/e-util/e-web-view.c
@@ -43,6 +43,8 @@
 #include "e-selectable.h"
 #include "e-stock-request.h"
 
+#include "../web-extensions/evolution-web-extension.h"
+
 #define E_WEB_VIEW_GET_PRIVATE(obj) \
        (G_TYPE_INSTANCE_GET_PRIVATE \
        ((obj), E_TYPE_WEB_VIEW, EWebViewPrivate))
@@ -72,6 +74,9 @@ struct _EWebViewPrivate {
 
        GSettings *aliasing_settings;
        gulong antialiasing_changed_handler_id;
+
+       GDBusProxy *web_extension;
+       guint web_extension_watch_name_id;
 };
 
 struct _AsyncContext {
@@ -823,12 +828,18 @@ web_view_dispose (GObject *object)
                priv->antialiasing_changed_handler_id = 0;
        }
 
+       if (priv->web_extension_watch_name_id > 0) {
+               g_bus_unwatch_name (priv->web_extension_watch_name_id);
+               priv->web_extension_watch_name_id = 0;
+       }
+
        g_clear_object (&priv->ui_manager);
        g_clear_object (&priv->open_proxy);
        g_clear_object (&priv->print_proxy);
        g_clear_object (&priv->save_as_proxy);
        g_clear_object (&priv->aliasing_settings);
        g_clear_object (&priv->font_settings);
+       g_clear_object (&priv->web_extension);
 
        /* Chain up to parent's dispose() method. */
        G_OBJECT_CLASS (e_web_view_parent_class)->dispose (object);
@@ -1111,8 +1122,74 @@ web_view_stop_loading (EWebView *web_view)
 }
 
 static void
-web_view_update_actions (EWebView *web_view)
+web_extension_proxy_created_cb (GDBusProxy *proxy,
+                                GAsyncResult *result,
+                                EWebView *web_view)
+{
+       GError *error = NULL;
+
+       web_view->priv->web_extension = g_dbus_proxy_new_finish (result, &error);
+       if (!web_view->priv->web_extension) {
+               g_warning ("Error creating web extension proxy: %s\n", error->message);
+               g_error_free (error);
+       }
+}
+
+static void
+web_extension_appeared_cb (GDBusConnection *connection,
+                           const gchar *name,
+                           const gchar *name_owner,
+                           EWebView *web_view)
+{
+       g_dbus_proxy_new (
+               connection,
+               G_DBUS_PROXY_FLAGS_DO_NOT_AUTO_START |
+               G_DBUS_PROXY_FLAGS_DO_NOT_LOAD_PROPERTIES |
+               G_DBUS_PROXY_FLAGS_DO_NOT_CONNECT_SIGNALS,
+               NULL,
+               name,
+               EVOLUTION_WEB_EXTENSION_OBJECT_PATH,
+               EVOLUTION_WEB_EXTENSION_INTERFACE,
+               NULL,
+               (GAsyncReadyCallback)web_extension_proxy_created_cb,
+               web_view);
+}
+
+static void
+web_extension_vanished_cb (GDBusConnection *connection,
+                           const gchar *name,
+                           EWebView *web_view)
 {
+       g_clear_object (&web_view->priv->web_extension);
+}
+
+static void
+web_view_watch_web_extension (EWebView *web_view)
+{
+       char *service_name;
+
+       service_name = g_strdup_printf ("%s-%u", EVOLUTION_WEB_EXTENSION_SERVICE_NAME, getpid ());
+       web_view->priv->web_extension_watch_name_id =
+               g_bus_watch_name (
+                       G_BUS_TYPE_SESSION,
+                       service_name,
+                       G_BUS_NAME_WATCHER_FLAGS_NONE,
+                       (GBusNameAppearedCallback) web_extension_appeared_cb,
+                       (GBusNameVanishedCallback) web_extension_vanished_cb,
+                       web_view, NULL);
+
+       g_free (service_name);
+}
+
+GDBusProxy *
+e_web_view_get_web_extension_proxy (EWebView *web_view)
+{
+       g_return_val_if_fail (E_IS_WEB_VIEW (web_view), NULL);
+
+       return web_view->priv->web_extension;
+}
+
+static void
        GtkActionGroup *action_group;
        gboolean can_copy;
        gboolean scheme_is_http = FALSE;
diff --git a/e-util/e-web-view.h b/e-util/e-web-view.h
index b21acd2..60dfdac 100644
--- a/e-util/e-web-view.h
+++ b/e-util/e-web-view.h
@@ -115,6 +115,8 @@ gchar *             e_web_view_suggest_filename     (EWebView *web_view,
                                                 const gchar *uri);
 void           e_web_view_reload               (EWebView *web_view);
 gchar *                e_web_view_get_html             (EWebView *web_view);
+GDBusProxy *   e_web_view_get_web_extension_proxy
+                                               (EWebView *web_view);
 gboolean       e_web_view_get_caret_mode       (EWebView *web_view);
 void           e_web_view_set_caret_mode       (EWebView *web_view,
                                                 gboolean caret_mode);