[tracker] tracker-extract: Use own error domain/codes

[Carlos Garnacho <carlosg src gnome org>]

commit aed992cc6c5bb2958a821fef8d0fdea002eff1dc
Author: Carlos Garnacho <carlosg gnome org>
Date:   Tue Mar 17 19:45:03 2015 +0100

    tracker-extract: Use own error domain/codes
    
    It doesn't make much sense to reuse TRACKER_DBUS_ERROR for these
    purposes.

 src/tracker-extract/tracker-extract.c |   19 ++++++++++++-------
 src/tracker-extract/tracker-extract.h |    7 +++++++
 2 files changed, 19 insertions(+), 7 deletions(-)
---
diff --git a/src/tracker-extract/tracker-extract.c b/src/tracker-extract/tracker-extract.c
index b5c60af..60e750c 100644
--- a/src/tracker-extract/tracker-extract.c
+++ b/src/tracker-extract/tracker-extract.c
@@ -43,6 +43,8 @@
 
 #define TRACKER_EXTRACT_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), TRACKER_TYPE_EXTRACT, 
TrackerExtractPrivate))
 
+G_DEFINE_QUARK (TrackerExtractError, tracker_extract_error)
+
 extern gboolean debug;
 
 typedef struct {
@@ -512,7 +514,7 @@ get_metadata (TrackerExtractTask *task)
        if (task->cancellable &&
            g_cancellable_is_cancelled (task->cancellable)) {
                g_simple_async_result_set_error ((GSimpleAsyncResult *) task->res,
-                                                TRACKER_DBUS_ERROR, 0,
+                                                G_IO_ERROR, G_IO_ERROR_CANCELLED,
                                                 "Extraction of '%s' was cancelled",
                                                 task->file);
 
@@ -575,16 +577,17 @@ dispatch_task_cb (TrackerExtractTask *task)
        priv = TRACKER_EXTRACT_GET_PRIVATE (task->extract);
 
        if (!task->mimetype) {
-               error = g_error_new (TRACKER_DBUS_ERROR, 0,
-                                    "No mimetype for '%s'",
-                                    task->file);
+               error = g_error_new (tracker_extract_error_quark (),
+                                    TRACKER_EXTRACT_ERROR_NO_MIMETYPE,
+                                    "No mimetype for '%s'", task->file);
        } else {
                if (!task->mimetype_handlers) {
                        /* First iteration for task, get the mimetype handlers */
                        task->mimetype_handlers = tracker_extract_module_manager_get_mimetype_handlers 
(task->mimetype);
 
                        if (!task->mimetype_handlers) {
-                               error = g_error_new (TRACKER_DBUS_ERROR, 0,
+                               error = g_error_new (tracker_extract_error_quark (),
+                                                    TRACKER_EXTRACT_ERROR_NO_EXTRACTOR,
                                                     "No mimetype extractor handlers for uri:'%s' and 
mime:'%s'",
                                                     task->file, task->mimetype);
                        }
@@ -595,7 +598,8 @@ dispatch_task_cb (TrackerExtractTask *task)
                        if (!tracker_mimetype_info_iter_next (task->mimetype_handlers)) {
                                g_message ("There's no next extractor");
 
-                               error = g_error_new (TRACKER_DBUS_ERROR, 0,
+                               error = g_error_new (tracker_extract_error_quark (),
+                                                    TRACKER_EXTRACT_ERROR_NO_EXTRACTOR,
                                                     "Could not get any metadata for uri:'%s' and mime:'%s'",
                                                     task->file, task->mimetype);
                        } else {
@@ -626,7 +630,8 @@ dispatch_task_cb (TrackerExtractTask *task)
        case TRACKER_MODULE_NONE:
                /* Error out */
                g_simple_async_result_set_error ((GSimpleAsyncResult *) task->res,
-                                                TRACKER_DBUS_ERROR, 0,
+                                                tracker_extract_error_quark (),
+                                                TRACKER_EXTRACT_ERROR_NO_EXTRACTOR,
                                                 "Module '%s' initialization failed",
                                                 g_module_name (module));
                g_simple_async_result_complete_in_idle ((GSimpleAsyncResult *) task->res);
diff --git a/src/tracker-extract/tracker-extract.h b/src/tracker-extract/tracker-extract.h
index 0679e99..bcb8cd2 100644
--- a/src/tracker-extract/tracker-extract.h
+++ b/src/tracker-extract/tracker-extract.h
@@ -30,6 +30,7 @@
 
 G_BEGIN_DECLS
 
+#define TRACKER_EXTRACT_ERROR          (tracker_extract_error_quark ())
 #define TRACKER_TYPE_EXTRACT           (tracker_extract_get_type ())
 #define TRACKER_EXTRACT(object)        (G_TYPE_CHECK_INSTANCE_CAST ((object), TRACKER_TYPE_EXTRACT, 
TrackerExtract))
 #define TRACKER_EXTRACT_CLASS(klass)   (G_TYPE_CHECK_CLASS_CAST ((klass), TRACKER_TYPE_EXTRACT, 
TrackerExtractClass))
@@ -40,6 +41,11 @@ G_BEGIN_DECLS
 typedef struct TrackerExtract      TrackerExtract;
 typedef struct TrackerExtractClass TrackerExtractClass;
 
+typedef enum {
+       TRACKER_EXTRACT_ERROR_NO_MIMETYPE,
+       TRACKER_EXTRACT_ERROR_NO_EXTRACTOR
+} TrackerExtractError;
+
 struct TrackerExtract {
        GObject parent;
 };
@@ -48,6 +54,7 @@ struct TrackerExtractClass {
        GObjectClass parent;
 };
 
+GQuark          tracker_extract_error_quark             (void);
 GType           tracker_extract_get_type                (void);
 TrackerExtract *tracker_extract_new                     (gboolean                disable_shutdown,
                                                          const gchar            *force_module);