[gnome-builder/gnome-builder-3-18] symbol-tree: update symbol tree every 15 seconds

[Christian Hergert <chergert src gnome org>]

commit 8e04f4ed88a2b040f50985db39e2a01a3822c95a
Author: Christian Hergert <christian hergert me>
Date:   Tue Sep 29 12:26:21 2015 -0700

    symbol-tree: update symbol tree every 15 seconds

 plugins/symbol-tree/Makefile.am   |    1 +
 plugins/symbol-tree/symbol-tree.c |   47 +++++++++++++++++++++++++++++++-----
 2 files changed, 41 insertions(+), 7 deletions(-)
---
diff --git a/plugins/symbol-tree/Makefile.am b/plugins/symbol-tree/Makefile.am
index 7b8e018..7ccc1eb 100644
--- a/plugins/symbol-tree/Makefile.am
+++ b/plugins/symbol-tree/Makefile.am
@@ -26,6 +26,7 @@ libsymbol_tree_la_CFLAGS = \
        -I$(top_srcdir)/src/editor \
        -I$(top_srcdir)/src/views \
        -I$(top_srcdir)/src/tree \
+       -I$(top_srcdir)/src/util \
        -I$(top_srcdir)/src/workbench \
        -I$(top_srcdir)/src/workspace \
        -I$(top_srcdir)/libide \
diff --git a/plugins/symbol-tree/symbol-tree.c b/plugins/symbol-tree/symbol-tree.c
index 3b2a63a..f3e7645 100644
--- a/plugins/symbol-tree/symbol-tree.c
+++ b/plugins/symbol-tree/symbol-tree.c
@@ -25,11 +25,14 @@
 #include "gb-editor-view.h"
 #include "gb-tree.h"
 #include "gb-workspace.h"
+#include "gb-widget.h"
 
 #include "symbol-tree.h"
 #include "symbol-tree-builder.h"
 #include "symbol-tree-resources.h"
 
+#define REFRESH_TREE_INTERVAL_MSEC (15 * 1000)
+
 struct _SymbolTree
 {
   GtkBox          parent_instance;
@@ -39,6 +42,8 @@ struct _SymbolTree
   GbWorkbench    *workbench;
   GbTree         *tree;
   GtkSearchEntry *search_entry;
+
+  guint           refresh_tree_timeout;
 };
 
 enum {
@@ -55,6 +60,16 @@ G_DEFINE_DYNAMIC_TYPE_EXTENDED (SymbolTree, symbol_tree, GTK_TYPE_BOX, 0,
                                 G_IMPLEMENT_INTERFACE_DYNAMIC (GB_TYPE_WORKBENCH_ADDIN,
                                                                workbench_addin_init))
 
+static void refresh_tree (SymbolTree *symbol_tree);
+
+static gboolean
+refresh_tree_timeout (gpointer user_data)
+{
+  SymbolTree *self = user_data;
+  refresh_tree (self);
+  return G_SOURCE_CONTINUE;
+}
+
 static void
 get_cached_symbol_tree_cb (GObject      *object,
                            GAsyncResult *result,
@@ -79,6 +94,10 @@ get_cached_symbol_tree_cb (GObject      *object,
       return;
     }
 
+  self->refresh_tree_timeout = g_timeout_add (REFRESH_TREE_INTERVAL_MSEC,
+                                              refresh_tree_timeout,
+                                              self);
+
   gb_tree_set_filter (self->tree, NULL, NULL, NULL);
   gtk_entry_set_text (GTK_ENTRY (self->search_entry), "");
 
@@ -104,17 +123,16 @@ get_cached_symbol_tree_cb (GObject      *object,
 }
 
 static void
-notify_active_view_cb (SymbolTree  *self,
-                       GParamFlags *pspec,
-                       GbWorkbench *workbench)
+refresh_tree (SymbolTree *self)
 {
-  GbDocument *document = NULL;
   GtkWidget *active_view;
+  GbWorkbench *workbench;
+  GbDocument *document = NULL;
   GbTreeNode *root;
 
   g_assert (SYMBOL_IS_TREE (self));
-  g_assert (pspec != NULL);
-  g_assert (GB_IS_WORKBENCH (workbench));
+
+  workbench = gb_widget_get_workbench (GTK_WIDGET (self));
 
   if ((active_view = gb_workbench_get_active_view (workbench)) && GB_IS_EDITOR_VIEW (active_view))
     document = gb_view_get_document (GB_VIEW (active_view));
@@ -123,8 +141,10 @@ notify_active_view_cb (SymbolTree  *self,
 
   if ((GObject *)document != gb_tree_node_get_item (root))
     {
+      ide_clear_source (&self->refresh_tree_timeout);
+
       /*
-       * First, clear the old tree items.
+       * Clear the old tree items.
        *
        * TODO: Get cross compile names for nodes so that we can
        *       recompute the open state.
@@ -155,6 +175,18 @@ notify_active_view_cb (SymbolTree  *self,
 }
 
 static void
+notify_active_view_cb (SymbolTree  *self,
+                       GParamFlags *pspec,
+                       GbWorkbench *workbench)
+{
+  g_assert (SYMBOL_IS_TREE (self));
+  g_assert (pspec != NULL);
+  g_assert (GB_IS_WORKBENCH (workbench));
+
+  refresh_tree (self);
+}
+
+static void
 get_symbol_tree_cb (GObject      *object,
                     GAsyncResult *result,
                     gpointer      user_data)
@@ -323,6 +355,7 @@ symbol_tree_finalize (GObject *object)
 {
   SymbolTree *self = (SymbolTree *)object;
 
+  ide_clear_source (&self->refresh_tree_timeout);
   ide_clear_weak_pointer (&self->workbench);
   g_clear_object (&self->cancellable);