Refreshing annotations' sidebar upon deletion

When an annotation is deleted, the sidebar needs to
be refreshed so that the annotation is removed from
the list

See item 3 in this comment:
https://bugzilla.gnome.org/show_bug.cgi?id=649044#c33
origin commit:
https://git.gnome.org/browse/evince/commit/?id=13defb2

5 files changed, 38 insertions, 4 deletions

diff --git a/libview/ev-view-private.h b/libview/ev-view-private.h
index 4711e8f9..02219641 100644
--- a/libview/ev-view-private.h
+++ b/libview/ev-view-private.h
@@ -242,6 +242,8 @@ struct _EvViewClass {
 					   EvSourceLink   *link);
 	void    (*annot_added)            (EvView         *view,
 					   EvAnnotation   *annot);
+	void    (*annot_removed)          (EvView         *view,
+					   EvAnnotation   *annot);
 	void    (*layers_changed)         (EvView         *view);
 };
 
diff --git a/libview/ev-view.c b/libview/ev-view.c
index f409a2e5..b898286e 100644
--- a/libview/ev-view.c
+++ b/libview/ev-view.c
@@ -57,6 +57,7 @@ enum {
 	SIGNAL_SELECTION_CHANGED,
 	SIGNAL_SYNC_SOURCE,
 	SIGNAL_ANNOT_ADDED,
+	SIGNAL_ANNOT_REMOVED,
 	SIGNAL_LAYERS_CHANGED,
 	N_SIGNALS
 };
@@ -3102,6 +3103,8 @@ ev_view_remove_annotation (EvView       *view,
         g_return_if_fail (EV_IS_VIEW (view));
         g_return_if_fail (EV_IS_ANNOTATION (annot));
 
+        g_object_ref (annot);
+
         page = ev_annotation_get_page_index (annot);
 
         if (EV_IS_ANNOTATION_MARKUP (annot)) {
@@ -3125,6 +3128,9 @@ ev_view_remove_annotation (EvView       *view,
 
         /* FIXME: only redraw the annot area */
         ev_view_reload_page (view, page, NULL);
+
+        g_signal_emit (view, signals[SIGNAL_ANNOT_REMOVED], 0, annot);
+        g_object_unref (annot);
 }
 
 static gboolean
@@ -5189,6 +5195,14 @@ ev_view_class_init (EvViewClass *class)
 		         g_cclosure_marshal_VOID__OBJECT,
 		         G_TYPE_NONE, 1,
 			 EV_TYPE_ANNOTATION);
+	signals[SIGNAL_ANNOT_REMOVED] = g_signal_new ("annot-removed",
+		         G_TYPE_FROM_CLASS (object_class),
+		         G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
+		         G_STRUCT_OFFSET (EvViewClass, annot_removed),
+		         NULL, NULL,
+		         g_cclosure_marshal_VOID__OBJECT,
+		         G_TYPE_NONE, 1,
+		         EV_TYPE_ANNOTATION);
 	signals[SIGNAL_LAYERS_CHANGED] = g_signal_new ("layers-changed",
 			 G_TYPE_FROM_CLASS (object_class),
 		         G_SIGNAL_RUN_LAST | G_SIGNAL_ACTION,
diff --git a/shell/ev-sidebar-annotations.c b/shell/ev-sidebar-annotations.c
index 6cb98fef..ee605005 100644
--- a/shell/ev-sidebar-annotations.c
+++ b/shell/ev-sidebar-annotations.c
@@ -303,6 +303,12 @@ ev_sidebar_annotations_annot_added (EvSidebarAnnotations *sidebar_annots,
 	ev_sidebar_annotations_load (sidebar_annots);
 }
 
+void
+ev_sidebar_annotations_annot_removed (EvSidebarAnnotations *sidebar_annots)
+{
+	ev_sidebar_annotations_load (sidebar_annots);
+}
+
 static void
 selection_changed_cb (GtkTreeSelection     *selection,
 		      EvSidebarAnnotations *sidebar_annots)
diff --git a/shell/ev-sidebar-annotations.h b/shell/ev-sidebar-annotations.h
index 9aa7181c..db80983f 100644
--- a/shell/ev-sidebar-annotations.h
+++ b/shell/ev-sidebar-annotations.h
@@ -53,10 +53,11 @@ struct _EvSidebarAnnotationsClass {
 	void    (* annot_add_cancelled) (EvSidebarAnnotations *sidebar_annots);
 };
 
-GType      ev_sidebar_annotations_get_type    (void) G_GNUC_CONST;
-GtkWidget *ev_sidebar_annotations_new         (void);
-void       ev_sidebar_annotations_annot_added (EvSidebarAnnotations *sidebar_annots,
-					       EvAnnotation         *annot);
+GType      ev_sidebar_annotations_get_type      (void) G_GNUC_CONST;
+GtkWidget *ev_sidebar_annotations_new           (void);
+void       ev_sidebar_annotations_annot_added   (EvSidebarAnnotations *sidebar_annots,
+                                                 EvAnnotation         *annot);
+void       ev_sidebar_annotations_annot_removed (EvSidebarAnnotations *sidebar_annots);
 G_END_DECLS
 
 #endif /* __EV_SIDEBAR_ANNOTATIONS_H__ */
diff --git a/shell/ev-window.c b/shell/ev-window.c
index 13870211..ecdc86bf 100644
--- a/shell/ev-window.c
+++ b/shell/ev-window.c
@@ -6442,6 +6442,14 @@ view_annot_added (EvView       *view,
 }
 
 static void
+view_annot_removed (EvView       *view,
+                    EvAnnotation *annot,
+                    EvWindow     *window)
+{
+	ev_sidebar_annotations_annot_removed (EV_SIDEBAR_ANNOTATIONS (window->priv->sidebar_annots));
+}
+
+static void
 sidebar_annots_annot_add_cancelled (EvSidebarAnnotations *sidebar_annots,
 				    EvWindow             *window)
 {
@@ -7870,6 +7878,9 @@ ev_window_init (EvWindow *ev_window)
 	g_signal_connect_object (ev_window->priv->view, "annot-added",
 				 G_CALLBACK (view_annot_added),
 				 ev_window, 0);
+	g_signal_connect_object (ev_window->priv->view, "annot-removed",
+				 G_CALLBACK (view_annot_removed),
+				 ev_window, 0);
 	g_signal_connect_object (ev_window->priv->view, "layers-changed",
 				 G_CALLBACK (view_layers_changed_cb),
 				 ev_window, 0);