Updating branch refs/heads/master
         to a90c20ede9871043dac90f2df6fd17cd37d446ce (commit)
       from e9934614f69f177a9f6e99216ede0717722b3d8f (commit)

commit a90c20ede9871043dac90f2df6fd17cd37d446ce
Author: Andrzej <ndrwr...@gmail.com>
Date:   Sun Sep 1 23:06:40 2013 +0100

    Refactored indicator loading functions.
    
    Largely based on Alistair's code.

 panel-plugin/indicator.c |  257 ++++++++++++++++++++++++----------------------
 1 file changed, 133 insertions(+), 124 deletions(-)

diff --git a/panel-plugin/indicator.c b/panel-plugin/indicator.c
index c5551c6..3947c5f 100644
--- a/panel-plugin/indicator.c
+++ b/panel-plugin/indicator.c
@@ -24,6 +24,8 @@
  */
 
 
+#define INDICATOR_SERVICE_DIR "/usr/share/unity/indicators"
+
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -50,15 +52,21 @@
 /* prototypes */
 static void             indicator_construct                        
(XfcePanelPlugin       *plugin);
 static void             indicator_free                             
(XfcePanelPlugin       *plugin);
-static gboolean         load_module                                (const 
gchar           *name,
-                                                                    
IndicatorPlugin       *indicator);
 static void             indicator_show_about                       
(XfcePanelPlugin       *plugin);
 static void             indicator_configure_plugin                 
(XfcePanelPlugin       *plugin);
 static gboolean         indicator_size_changed                     
(XfcePanelPlugin       *plugin,
                                                                     gint       
            size);
 static void             indicator_mode_changed                     
(XfcePanelPlugin       *plugin,
                                                                     
XfcePanelPluginMode    mode);
-static gint             indicator_load_indicators_ng               
(IndicatorPlugin       *indicator);
+static gboolean         indicator_load_indicator                   
(IndicatorPlugin       *indicator,
+                                                                    
IndicatorObject       *io,
+                                                                    const 
gchar           *name);
+static gboolean         indicator_load_module                      
(IndicatorPlugin       *indicator,
+                                                                    const 
gchar           *name);
+static gboolean         indicator_load_service                     
(IndicatorPlugin       *indicator,
+                                                                    const 
gchar           *name);
+static void             indicator_load_services                    
(IndicatorPlugin       *indicator);
+static void             indicator_load_modules                     
(IndicatorPlugin       *indicator);
 
 
 struct _IndicatorPluginClass
@@ -71,6 +79,8 @@ struct _IndicatorPlugin
 {
   XfcePanelPlugin __parent__;
 
+  gint             indicator_count;
+
   /* panel widgets */
   GtkWidget       *item;
   GtkWidget       *buttonbox;
@@ -114,10 +124,11 @@ indicator_init (IndicatorPlugin *indicator)
      The following lines makes only g_error critical. */
   g_log_set_always_fatal (G_LOG_LEVEL_ERROR);
 
-  indicator->item      = NULL;
-  indicator->buttonbox = NULL;
-  indicator->config    = NULL;
-  indicator->logfile   = NULL;
+  indicator->indicator_count = 0;
+  indicator->item            = NULL;
+  indicator->buttonbox       = NULL;
+  indicator->config          = NULL;
+  indicator->logfile         = NULL;
 }
 
 
@@ -252,7 +263,6 @@ static void
 indicator_construct (XfcePanelPlugin *plugin)
 {
   IndicatorPlugin  *indicator = XFCE_INDICATOR_PLUGIN (plugin);
-  gint              indicators_loaded = 0;
   GtkWidget        *label;
 
   #ifdef HAVE_IDO
@@ -282,35 +292,10 @@ indicator_construct (XfcePanelPlugin *plugin)
   gtk_widget_show(GTK_WIDGET(indicator->buttonbox));
 
   /* load 'em */
-  if (g_file_test(INDICATOR_DIR, (G_FILE_TEST_EXISTS | G_FILE_TEST_IS_DIR))) {
-    GDir * dir = g_dir_open(INDICATOR_DIR, 0, NULL);
-
-    const gchar * name;
-    if (indicator_config_get_mode_whitelist (indicator->config))
-      {
-        while ((name = g_dir_read_name (dir)) != NULL)
-          if (indicator_config_is_whitelisted (indicator->config, name))
-            {
-              g_debug ("Loading whitelisted module: %s", name);
-              if (load_module(name, indicator))
-                indicators_loaded++;
-            }
-      }
-    else
-      {
-        while ((name = g_dir_read_name (dir)) != NULL)
-          if (indicator_config_is_blacklisted (indicator->config, name))
-            g_debug ("Excluding blacklisted module: %s", name);
-          else if (load_module(name, indicator))
-            indicators_loaded++;
-      }
-
-    g_dir_close (dir);
-  }
+  indicator_load_modules (indicator);
+  indicator_load_services (indicator);
 
-  indicators_loaded += indicator_load_indicators_ng (indicator);
-
-  if (indicators_loaded == 0) {
+  if (indicator->indicator_count == 0) {
     /* A label to allow for click through */
     indicator->item = xfce_indicator_button_new (NULL,
                                                  "<placeholder>",
@@ -374,33 +359,28 @@ entry_removed (IndicatorObject * io, IndicatorObjectEntry 
* entry, gpointer user
 
 
 static gboolean
-load_module (const gchar * name, IndicatorPlugin * indicator)
+indicator_load_indicator (IndicatorPlugin *indicator,
+                          IndicatorObject *io,
+                          const gchar     *name)
 {
-  gchar                *fullpath;
-  IndicatorObject      *io;
   GList                *entries, *entry;
   IndicatorObjectEntry *entrydata;
 
-  g_debug("Looking at Module: %s", name);
+  g_return_val_if_fail (XFCE_IS_INDICATOR_PLUGIN (indicator), 0);
   g_return_val_if_fail(name != NULL, FALSE);
-
-  if (!g_str_has_suffix(name,G_MODULE_SUFFIX))
-    return FALSE;
-
-  g_debug("Loading Module: %s", name);
+  g_debug ("Load indicator_ng: %s", name);
 
   indicator_config_add_known_indicator (indicator->config, name);
 
-  fullpath = g_build_filename(INDICATOR_DIR, name, NULL);
-  io = indicator_object_new_from_file(fullpath);
-  g_free(fullpath);
   g_object_set_data (G_OBJECT (io), "io-name", g_strdup (name));
 
+  /* Connect to its signals */
   g_signal_connect(G_OBJECT(io), INDICATOR_OBJECT_SIGNAL_ENTRY_ADDED,
                    G_CALLBACK(entry_added), indicator);
   g_signal_connect(G_OBJECT(io), INDICATOR_OBJECT_SIGNAL_ENTRY_REMOVED,
                    G_CALLBACK(entry_removed), indicator->buttonbox);
 
+  /* Work on the entries */
   entries = indicator_object_get_entries(io);
   entry = NULL;
 
@@ -416,121 +396,150 @@ load_module (const gchar * name, IndicatorPlugin * 
indicator)
 }
 
 
-static void
-load_indicator (IndicatorPlugin *indicator,
-               IndicatorObject *io,
-               const gchar     *name)
+
+static gboolean
+indicator_load_module (IndicatorPlugin *indicator,
+                       const gchar     *name)
 {
-  GList                *entries, *entry;
-  IndicatorObjectEntry *entrydata;
+  gchar                *file_name;
+  IndicatorObject      *io;
 
-  g_debug ("Load indicator_ng: %s", name);
+  g_return_val_if_fail (XFCE_IS_INDICATOR_PLUGIN (indicator), 0);
+  g_debug ("Looking at Module: %s", name);
+  g_return_val_if_fail (name != NULL, FALSE);
 
-  indicator_config_add_known_indicator (indicator->config, name);
+  if (!g_str_has_suffix (name,G_MODULE_SUFFIX))
+    return FALSE;
 
-  g_object_set_data (G_OBJECT (io), "io-name", g_strdup (name));
+  g_debug ("Loading Module: %s", name);
 
-  /* Connect to its signals */
-  g_signal_connect(G_OBJECT(io), INDICATOR_OBJECT_SIGNAL_ENTRY_ADDED,
-                   G_CALLBACK(entry_added), indicator);
-  g_signal_connect(G_OBJECT(io), INDICATOR_OBJECT_SIGNAL_ENTRY_REMOVED,
-                   G_CALLBACK(entry_removed), indicator->buttonbox);
+  file_name = g_build_filename (INDICATOR_DIR, name, NULL);
+  io = indicator_object_new_from_file (file_name);
+  g_free (file_name);
 
-  /* Work on the entries */
-  entries = indicator_object_get_entries(io);
-  entry = NULL;
+  return indicator_load_indicator (indicator, io, name);
+}
 
-  for (entry = entries; entry != NULL; entry = g_list_next(entry))
-    {
-      entrydata = (IndicatorObjectEntry *)entry->data;
-      entry_added(io, entrydata, indicator);
-    }
 
-  g_list_free(entries);
-}
+static gboolean
+indicator_load_service (IndicatorPlugin *indicator,
+                        const gchar     *name)
+{
+  gchar                *fullpath;
+  IndicatorNg          *io;
+  GError               *err = NULL;
 
+  g_debug("Looking at Service: %s", name);
+  g_return_val_if_fail(name != NULL, FALSE);
 
+  g_debug("Loading Service: %s", name);
 
-#define INDICATORS_NG_DIR "/usr/share/unity/indicators"
+  fullpath = g_build_filename(INDICATOR_SERVICE_DIR, name, NULL);
+  io = indicator_ng_new_for_profile (fullpath, "desktop", &err);
+  g_free(fullpath);
 
-static gint
-indicator_load_indicators_ng (IndicatorPlugin *indicator)
+  if (io != NULL)
+    {
+      indicator_load_indicator(indicator, INDICATOR_OBJECT(io), name);
+      return TRUE;
+    }
+  else
+    {
+      g_error_free (err);
+      return FALSE;
+    }
+}
+
+
+static void
+indicator_load_services (IndicatorPlugin *indicator)
 {
   GDir        *indicators_ng_dir;
   const gchar *io_name;
   GError      *err = NULL;
-  gint         indicators = 0;
-  gchar       *file_name = NULL;
-  IndicatorNg *indicator_ng = NULL;
 
-  g_return_val_if_fail (XFCE_IS_INDICATOR_PLUGIN (indicator), 0);
+  g_return_if_fail (XFCE_IS_INDICATOR_PLUGIN (indicator));
 
-  indicators_ng_dir = g_dir_open (INDICATORS_NG_DIR, 0, &err);
+  indicators_ng_dir = g_dir_open (INDICATOR_SERVICE_DIR, 0, &err);
 
-  if (!indicators_ng_dir)
+  if (err != NULL)
     {
       g_warning ("%s", err->message);
       g_error_free (err);
 
-      return 0;
+      return;
     }
 
   if (indicator_config_get_mode_whitelist (indicator->config))
     {
       while ((io_name = g_dir_read_name (indicators_ng_dir)) != NULL)
-       {
-          if (indicator_config_is_whitelisted (indicator->config, io_name))
-            {
-              g_debug ("Loading whitelisted IndicatorNg: %s", io_name);
-             file_name = g_build_filename (INDICATORS_NG_DIR, io_name, NULL);
-             indicator_ng = indicator_ng_new_for_profile (file_name, 
"desktop", &err);
-             g_free (file_name);
-             if (indicator_ng)
-               {
-                 load_indicator (indicator, INDICATOR_OBJECT (indicator_ng), 
io_name);
-                 indicators++;
-               }
-             else
-               {
-                 g_warning ("Cannot load indicator '%s': %s", io_name, 
err->message);
-                 g_clear_error (&err);
-               }
-           }
-       }
+        if (indicator_config_is_whitelisted (indicator->config, io_name))
+          {
+            g_debug ("Loading whitelisted service: %s", io_name);
+            if (indicator_load_service (indicator, io_name))
+              indicator->indicator_count++;
+          }
     }
   else
     {
       while ((io_name = g_dir_read_name (indicators_ng_dir)) != NULL)
-       {
-          if (indicator_config_is_blacklisted (indicator->config, io_name))
-            {
-              g_debug ("Excluding blacklisted IndicatorNg: %s", io_name);
-           }
-         else
-           {
-             file_name = g_build_filename (INDICATORS_NG_DIR, io_name, NULL);
-             indicator_ng = indicator_ng_new_for_profile (file_name, 
"desktop", &err);
-             g_free (file_name);
-             if (indicator_ng)
-               {
-                 load_indicator (indicator, INDICATOR_OBJECT (indicator_ng), 
io_name);
-                 indicators++;
-               }
-             else
-               {
-                 g_warning ("Cannot load indicator '%s': %s", io_name, 
err->message);
-                 g_clear_error (&err);
-               }
-           }
-       }
+        if (indicator_config_is_blacklisted (indicator->config, io_name))
+          g_debug ("Excluding blacklisted service: %s", io_name);
+        else
+          if (indicator_load_service (indicator, io_name))
+            indicator->indicator_count++;
     }
 
   g_dir_close (indicators_ng_dir);
+}
 
-  return indicators;
+
+
+
+static void
+indicator_load_modules (IndicatorPlugin *indicator)
+{
+  GDir        *indicators_dir;
+  const gchar *io_name;
+  GError      *err = NULL;
+
+  g_return_if_fail (XFCE_IS_INDICATOR_PLUGIN (indicator));
+
+  indicators_dir = g_dir_open (INDICATOR_DIR, 0, &err);
+
+  if (err != NULL)
+    {
+      g_warning ("%s", err->message);
+      g_error_free (err);
+
+      return;
+    }
+
+  if (indicator_config_get_mode_whitelist (indicator->config))
+    {
+      while ((io_name = g_dir_read_name (indicators_dir)) != NULL)
+        if (indicator_config_is_whitelisted (indicator->config, io_name))
+          {
+            g_debug ("Loading whitelisted module: %s", io_name);
+            if (indicator_load_module(indicator, io_name))
+              indicator->indicator_count++;
+          }
+    }
+  else
+    {
+      while ((io_name = g_dir_read_name (indicators_dir)) != NULL)
+        if (indicator_config_is_blacklisted (indicator->config, io_name))
+          g_debug ("Excluding blacklisted module: %s", io_name);
+        else if (indicator_load_module(indicator, io_name))
+          indicator->indicator_count++;
+    }
+
+  g_dir_close (indicators_dir);
 }
 
 
+
+
 XfceIndicatorBox *
 indicator_get_buttonbox (IndicatorPlugin *plugin)
 {
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