[tracker/api-cleanup: 5/16] libtracker-miner: Avoid use of TrackerCrawler in TrackerMinerManager

[Carlos Garnacho <carlosg src gnome org>]

commit 8d08275c6ee2e825b2f553db0c1490c49f52740e
Author: Carlos Garnacho <carlosg gnome org>
Date:   Wed Feb 19 22:03:34 2014 +0100

    libtracker-miner: Avoid use of TrackerCrawler in TrackerMinerManager
    
    This object just needs it to iterate over .desktop files, so use plain GIO there.

 src/libtracker-miner/tracker-miner-manager.c |   67 +++++++++++--------------
 1 files changed, 30 insertions(+), 37 deletions(-)
---
diff --git a/src/libtracker-miner/tracker-miner-manager.c b/src/libtracker-miner/tracker-miner-manager.c
index ce1b79c..3467d9c 100644
--- a/src/libtracker-miner/tracker-miner-manager.c
+++ b/src/libtracker-miner/tracker-miner-manager.c
@@ -24,8 +24,6 @@
 #include <libtracker-common/tracker-dbus.h>
 #include <libtracker-common/tracker-type-utils.h>
 
-#include "tracker-crawler.h"
-#include "tracker-miner-object.h"
 #include "tracker-miner-manager.h"
 #include "tracker-miner-dbus.h"
 
@@ -683,10 +681,9 @@ tracker_miner_manager_get_running (TrackerMinerManager *manager)
        return list;
 }
 
-static gboolean
-crawler_check_file_cb (TrackerCrawler *crawler,
-                       GFile          *file,
-                       gpointer        user_data)
+static void
+check_file (GFile    *file,
+            gpointer  user_data)
 {
        TrackerMinerManager *manager;
        TrackerMinerManagerPrivate *priv;
@@ -699,10 +696,6 @@ crawler_check_file_cb (TrackerCrawler *crawler,
        path = g_file_get_path (file);
        priv = TRACKER_MINER_MANAGER_GET_PRIVATE (manager);
 
-       if (!g_str_has_suffix (path, ".desktop")) {
-               return FALSE;
-       }
-
        key_file = g_key_file_new ();
        g_key_file_load_from_file (key_file, path, G_KEY_FILE_NONE, &error);
 
@@ -710,8 +703,7 @@ crawler_check_file_cb (TrackerCrawler *crawler,
                g_warning ("Error parsing miner .desktop file: %s", error->message);
                g_error_free (error);
                g_key_file_free (key_file);
-
-               return FALSE;
+               return;
        }
 
        dbus_path = g_key_file_get_string (key_file, DESKTOP_ENTRY_GROUP, DBUS_PATH_KEY, NULL);
@@ -724,8 +716,7 @@ crawler_check_file_cb (TrackerCrawler *crawler,
                g_free (dbus_path);
                g_free (display_name);
                g_free (dbus_name);
-
-               return FALSE;
+               return;
        }
 
        description = g_key_file_get_locale_string (key_file, DESKTOP_ENTRY_GROUP, DESCRIPTION_KEY, NULL, 
NULL);
@@ -741,35 +732,42 @@ crawler_check_file_cb (TrackerCrawler *crawler,
        g_key_file_free (key_file);
        g_free (path);
 
-       return TRUE;
+       return;
 }
 
 static void
-crawler_finished_cb (TrackerCrawler *crawler,
-                     gboolean        was_interrupted,
-                     gpointer        user_data)
+directory_foreach (GFile    *file,
+                   gchar    *suffix,
+                   GFunc     func,
+                   gpointer  user_data)
 {
-       g_main_loop_quit (user_data);
+       GFileEnumerator *enumerator;
+       GFileInfo *info;
+       GFile *child;
+
+       enumerator = g_file_enumerate_children (file, G_FILE_ATTRIBUTE_STANDARD_NAME,
+                                               G_FILE_QUERY_INFO_NONE, NULL, NULL);
+
+       while ((info = g_file_enumerator_next_file (enumerator, NULL, NULL)) != NULL) {
+
+               if (!suffix || g_str_has_suffix (g_file_info_get_name (info), suffix)) {
+                       child = g_file_enumerator_get_child (enumerator, info);
+                       (func) (child, user_data);
+                       g_object_unref (child);
+               }
+
+               g_object_unref (info);
+       }
+
+       g_object_unref (enumerator);
 }
 
 static void
 initialize_miners_data (TrackerMinerManager *manager)
 {
-       GMainLoop *main_loop;
        GFile *file;
-       TrackerCrawler *crawler;
        const gchar *miners_dir;
 
-       crawler = tracker_crawler_new ();
-       main_loop = g_main_loop_new (NULL, FALSE);
-
-       g_signal_connect (crawler, "check-file",
-                         G_CALLBACK (crawler_check_file_cb),
-                         manager);
-       g_signal_connect (crawler, "finished",
-                         G_CALLBACK (crawler_finished_cb),
-                         main_loop);
-
        /* Go through service files */
        miners_dir = g_getenv ("TRACKER_MINERS_DIR");
        if (G_LIKELY (miners_dir == NULL)) {
@@ -779,13 +777,8 @@ initialize_miners_data (TrackerMinerManager *manager)
        }
 
        file = g_file_new_for_path (miners_dir);
-       tracker_crawler_start (crawler, file, TRUE);
+       directory_foreach (file, ".desktop", (GFunc) check_file, manager);
        g_object_unref (file);
-
-       g_main_loop_run (main_loop);
-
-       g_main_loop_unref (main_loop);
-       g_object_unref (crawler);
 }
 
 /**