[evolution] Remove emu_free_mail_cache().

[Matthew Barnes <mbarnes src gnome org>]

commit 4a06e1bb633e392b049942ef28360d3830e78420
Author: Matthew Barnes <mbarnes redhat com>
Date:   Tue Feb 26 18:36:56 2013 -0500

    Remove emu_free_mail_cache().
    
    No longer needed, since the resources it frees are no longer used.

 libemail-engine/e-mail-utils.c |  104 ----------------------------------------
 libemail-engine/e-mail-utils.h |    2 -
 mail/e-mail-backend.c          |   14 +-----
 3 files changed, 1 insertions(+), 119 deletions(-)
---
diff --git a/libemail-engine/e-mail-utils.c b/libemail-engine/e-mail-utils.c
index 74aecf1..21d53b6 100644
--- a/libemail-engine/e-mail-utils.c
+++ b/libemail-engine/e-mail-utils.c
@@ -608,110 +608,6 @@ em_utils_in_addressbook (ESourceRegistry *registry,
                registry, addr, local_only, NULL, NULL, cancellable);
 }
 
-typedef struct _PhotoInfo {
-       gchar *address;
-       EContactPhoto *photo;
-} PhotoInfo;
-
-static void
-emu_free_photo_info (PhotoInfo *pi)
-{
-       if (!pi)
-               return;
-
-       if (pi->address)
-               g_free (pi->address);
-       if (pi->photo)
-               e_contact_photo_free (pi->photo);
-       g_free (pi);
-}
-
-static ECancellableMutex photos_cache_lock;
-static GSList *photos_cache = NULL; /* list of PhotoInfo-s */
-
-struct FreeMailCacheData
-{
-       GDestroyNotify done_cb;
-       gpointer user_data;
-};
-
-static gboolean
-free_mail_cache_idle (gpointer user_data)
-{
-       struct FreeMailCacheData *fmc = user_data;
-
-       g_return_val_if_fail (fmc != NULL, FALSE);
-
-       if (fmc->done_cb)
-               fmc->done_cb (fmc->user_data);
-       g_free (fmc);
-
-       return FALSE;
-}
-
-static gpointer
-free_mail_cache_thread (gpointer user_data)
-{
-       g_return_val_if_fail (user_data != NULL, NULL);
-
-       if (e_cancellable_mutex_lock (&contact_cache_lock, NULL)) {
-               if (emu_books_hash) {
-                       g_hash_table_destroy (emu_books_hash);
-                       emu_books_hash = NULL;
-               }
-
-               if (emu_broken_books_hash) {
-                       g_hash_table_destroy (emu_broken_books_hash);
-                       emu_broken_books_hash = NULL;
-               }
-
-               if (contact_cache) {
-                       g_hash_table_destroy (contact_cache);
-                       contact_cache = NULL;
-               }
-
-               e_cancellable_mutex_unlock (&contact_cache_lock);
-       }
-
-       if (e_cancellable_mutex_lock (&photos_cache_lock, NULL)) {
-               g_slist_foreach (photos_cache, (GFunc) emu_free_photo_info, NULL);
-               g_slist_free (photos_cache);
-               photos_cache = NULL;
-
-               e_cancellable_mutex_unlock (&photos_cache_lock);
-       }
-
-       /* Prioritize ahead of GTK+ redraws. */
-       g_idle_add_full (
-               G_PRIORITY_HIGH_IDLE,
-               free_mail_cache_idle, user_data, NULL);
-
-       return NULL;
-}
-
-/* frees all data created by call of em_utils_in_addressbook() or
- * em_utils_contact_photo(); done_cb is called when freeing is done,
- * in an idle callback
- */
-void
-emu_free_mail_cache (GDestroyNotify done_cb,
-                     gpointer user_data)
-{
-       struct FreeMailCacheData *fmc;
-       GThread *thread;
-
-       G_LOCK (search_addressbook_cancellables);
-       g_slist_foreach (search_addressbook_cancellables, (GFunc) g_cancellable_cancel, NULL);
-       G_UNLOCK (search_addressbook_cancellables);
-
-       fmc = g_new0 (struct FreeMailCacheData, 1);
-       fmc->done_cb = done_cb;
-       fmc->user_data = user_data;
-
-       thread = g_thread_new (NULL, free_mail_cache_thread, fmc);
-       g_thread_unref (thread);
-}
-
 static ESource *
 guess_mail_account_from_folder (ESourceRegistry *registry,
                                 CamelFolder *folder,
diff --git a/libemail-engine/e-mail-utils.h b/libemail-engine/e-mail-utils.h
index 20a5ee0..95a6bc6 100644
--- a/libemail-engine/e-mail-utils.h
+++ b/libemail-engine/e-mail-utils.h
@@ -58,8 +58,6 @@ ESource *     em_utils_guess_mail_identity_with_recipients
 ESource *      em_utils_ref_mail_identity_for_store
                                                (ESourceRegistry *registry,
                                                 CamelStore *store);
-void           emu_free_mail_cache             (GDestroyNotify done_cb,
-                                                gpointer user_data);
 void           em_utils_uids_free              (GPtrArray *uids);
 gboolean       em_utils_is_local_delivery_mbox_file
                                                (CamelURL *url);
diff --git a/mail/e-mail-backend.c b/mail/e-mail-backend.c
index fc368f0..cfd6f0a 100644
--- a/mail/e-mail-backend.c
+++ b/mail/e-mail-backend.c
@@ -265,16 +265,6 @@ mail_backend_poll_to_quit (EActivity *activity)
        return mail_msg_active ();
 }
 
-/* Helper for mail_backend_prepare_for_quit_cb() */
-static void
-mail_backend_ready_to_quit (EActivity *activity)
-{
-       emu_free_mail_cache (g_object_unref, g_object_ref (activity));
-
-       /* Do this last.  It may terminate the process. */
-       g_object_unref (activity);
-}
-
 static gboolean
 mail_backend_service_is_enabled (ESourceRegistry *registry,
                                  CamelService *service)
@@ -368,9 +358,7 @@ mail_backend_prepare_for_quit_cb (EShell *shell,
                        G_PRIORITY_DEFAULT, QUIT_POLL_INTERVAL,
                        (GSourceFunc) mail_backend_poll_to_quit,
                        g_object_ref (activity),
-                       (GDestroyNotify) mail_backend_ready_to_quit);
-       else
-               mail_backend_ready_to_quit (g_object_ref (activity));
+                       (GDestroyNotify) g_object_unref);
 }
 
 static void