/* * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with the program; if not, see * * * Authors: * Peter Williams * Michael Zucchi * Jonathon Jongsma * * Copyright (C) 1999-2008 Novell, Inc. (www.novell.com) * Copyright (C) 2009 Intel Corporation * */ /** * SECTION: mail-folder-cache * @short_description: Stores information about open folders **/ #ifdef HAVE_CONFIG_H #include #endif #include #include #include #include #include #include #include #include "mail-mt.h" #include "mail-folder-cache.h" #include "mail-ops.h" #include "mail-tools.h" #include "em-utils.h" #include "e-mail-folder-utils.h" #include "e-mail-session.h" #include "e-mail-store-utils.h" #define w(x) #define d(x) #define MAIL_FOLDER_CACHE_GET_PRIVATE(obj) \ (G_TYPE_INSTANCE_GET_PRIVATE \ ((obj), MAIL_TYPE_FOLDER_CACHE, MailFolderCachePrivate)) /* This code is a mess, there is no reason it should be so complicated. */ typedef struct _StoreInfo StoreInfo; struct _MailFolderCachePrivate { gpointer session; /* weak pointer */ EMailAccountStore *account_store; /* source id for the ping timeout callback */ guint ping_id; /* Store to storeinfo table, active stores */ GHashTable *stores; /* mutex to protect access to the stores hash */ GMutex *stores_mutex; /* List of folder changes to be executed in gui thread */ GQueue updates; /* idle source id for flushing all pending updates */ guint update_id; /* hack for people who LIKE to have unsent count */ gint count_sent; gint count_trash; GQueue local_folder_uris; GQueue remote_folder_uris; }; enum { PROP_0, PROP_SESSION }; enum { FOLDER_AVAILABLE, FOLDER_UNAVAILABLE, FOLDER_DELETED, FOLDER_RENAMED, FOLDER_UNREAD_UPDATED, FOLDER_CHANGED, LAST_SIGNAL }; static guint signals[LAST_SIGNAL]; struct _folder_info { StoreInfo *store_info; /* 'parent' link */ gchar *full_name; /* full name of folder/folderinfo */ guint32 flags; gboolean has_children; gpointer folder; /* if known (weak pointer) */ }; /* pending list of updates */ struct _folder_update { guint remove:1; /* removing from vfolders */ guint delete:1; /* deleting as well? */ guint add:1; /* add to vfolder */ guint unsub:1; /* unsubcribing? */ guint new; /* new mail arrived? */ gchar *full_name; gchar *oldfull; gint unread; CamelStore *store; /* for only one new message... */ gchar *msg_uid; /* ... its uid ... */ gchar *msg_sender; /* ... its sender ... */ gchar *msg_subject; /* ... and its subject. */ }; struct _StoreInfo { GHashTable *folders; /* by full_name */ CamelStore *store; /* the store for these folders */ gboolean first_update; /* TRUE initially, then FALSE forever */ /* Hold a reference to keep them alive. */ CamelFolder *vjunk; CamelFolder *vtrash; /* Outstanding folderinfo requests */ GQueue folderinfo_updates; }; struct _update_data { NoteDoneFunc done; gpointer data; MailFolderCache *cache; GCancellable *cancellable; }; G_DEFINE_TYPE (MailFolderCache, mail_folder_cache, G_TYPE_OBJECT) static void free_update (struct _folder_update *up) { g_free (up->full_name); if (up->store) g_object_unref (up->store); g_free (up->oldfull); g_free (up->msg_uid); g_free (up->msg_sender); g_free (up->msg_subject); g_free (up); } static void free_folder_info (struct _folder_info *mfi) { g_free (mfi->full_name); g_free (mfi); } static StoreInfo * store_info_new (CamelStore *store) { StoreInfo *info; GHashTable *folders; folders = g_hash_table_new_full ( (GHashFunc) g_str_hash, (GEqualFunc) g_str_equal, (GDestroyNotify) NULL, (GDestroyNotify) free_folder_info); info = g_slice_new0 (StoreInfo); info->folders = folders; info->store = g_object_ref (store); info->first_update = TRUE; /* If these are vfolders then they need to be opened * now, otherwise they won't keep track of all folders. */ if (store->flags & CAMEL_STORE_VJUNK) info->vjunk = camel_store_get_junk_folder_sync ( store, NULL, NULL); if (store->flags & CAMEL_STORE_VTRASH) info->vtrash = camel_store_get_trash_folder_sync ( store, NULL, NULL); g_queue_init (&info->folderinfo_updates); return info; } static void store_info_free (StoreInfo *info) { struct _update_data *ud; while (!g_queue_is_empty (&info->folderinfo_updates)) { ud = g_queue_pop_head (&info->folderinfo_updates); g_cancellable_cancel (ud->cancellable); } g_hash_table_destroy (info->folders); g_object_unref (info->store); if (info->vjunk != NULL) g_object_unref (info->vjunk); if (info->vtrash != NULL) g_object_unref (info->vtrash); g_slice_free (StoreInfo, info); } static gboolean flush_updates_idle_cb (MailFolderCache *cache) { struct _folder_update *up; g_mutex_lock (cache->priv->stores_mutex); while ((up = g_queue_pop_head (&cache->priv->updates)) != NULL) { g_mutex_unlock (cache->priv->stores_mutex); if (up->remove) { if (up->delete) { g_signal_emit ( cache, signals[FOLDER_DELETED], 0, up->store, up->full_name); } else g_signal_emit ( cache, signals[FOLDER_UNAVAILABLE], 0, up->store, up->full_name); } else { if (up->oldfull && up->add) { g_signal_emit ( cache, signals[FOLDER_RENAMED], 0, up->store, up->oldfull, up->full_name); } if (!up->oldfull && up->add) g_signal_emit ( cache, signals[FOLDER_AVAILABLE], 0, up->store, up->full_name); } /* update unread counts */ g_signal_emit (cache, signals[FOLDER_UNREAD_UPDATED], 0, up->store, up->full_name, up->unread); /* indicate that the folder has changed (new mail received, etc) */ if (up->store != NULL && up->full_name != NULL) { g_signal_emit ( cache, signals[FOLDER_CHANGED], 0, up->store, up->full_name, up->new, up->msg_uid, up->msg_sender, up->msg_subject); } if (CAMEL_IS_VEE_STORE (up->store) && !up->remove) { /* Normally the vfolder store takes care of the * folder_opened event itcache, but we add folder to * the noting system later, thus we do not know about * search folders to update them in a tree, thus * ensure their changes will be tracked correctly. */ CamelFolder *folder; /* FIXME camel_store_get_folder_sync() may block. */ folder = camel_store_get_folder_sync ( up->store, up->full_name, 0, NULL, NULL); if (folder) { mail_folder_cache_note_folder (cache, folder); g_object_unref (folder); } } free_update (up); g_mutex_lock (cache->priv->stores_mutex); } cache->priv->update_id = 0; g_mutex_unlock (cache->priv->stores_mutex); return FALSE; } static void flush_updates (MailFolderCache *cache) { if (cache->priv->update_id > 0) return; if (g_queue_is_empty (&cache->priv->updates)) return; cache->priv->update_id = g_idle_add ( (GSourceFunc) flush_updates_idle_cb, cache); } /* This is how unread counts work (and don't work): * * camel_folder_unread_message_count() only gives a correct answer if * the store is paying attention to the folder. (Some stores always * pay attention to all folders, but IMAP can only pay attention to * one folder at a time.) But it doesn't have any way to know when * it's lying, so it's only safe to call it when you know for sure * that the store is paying attention to the folder, such as when it's * just been created, or you get a folder_changed signal on it. * * camel_store_get_folder_info() always gives correct answers for the * folders it checks, but it can also return -1 for a folder, meaning * it didn't check, and so you should stick with your previous answer. * * update_1folder is called from three places: with info != NULL when * the folder is created (or get_folder_info), with info == NULL when * a folder changed event is emitted. * * So if info is NULL, camel_folder_unread_message_count is correct, * and if it's not NULL and its unread_message_count isn't -1, then * it's correct. */ static void update_1folder (MailFolderCache *cache, struct _folder_info *mfi, gint new, const gchar *msg_uid, const gchar *msg_sender, const gchar *msg_subject, CamelFolderInfo *info) { struct _folder_update *up; CamelFolder *folder; gint unread = -1; gint deleted; folder = mfi->folder; if (folder) { gboolean folder_is_sent; gboolean folder_is_drafts; gboolean folder_is_outbox; gboolean folder_is_vtrash; gboolean special_case; folder_is_sent = em_utils_folder_is_sent (folder); folder_is_drafts = em_utils_folder_is_drafts (folder); folder_is_outbox = em_utils_folder_is_outbox (folder); folder_is_vtrash = CAMEL_IS_VTRASH_FOLDER (folder); special_case = (cache->priv->count_trash && folder_is_vtrash) || (cache->priv->count_sent && folder_is_sent) || folder_is_drafts || folder_is_outbox; if (special_case) { d(printf(" total count\n")); unread = camel_folder_get_message_count (folder); if (folder_is_drafts || folder_is_outbox) { guint32 junked = 0; if ((deleted = camel_folder_get_deleted_message_count (folder)) > 0) unread -= deleted; junked = camel_folder_summary_get_junk_count (folder->summary); if (junked > 0) unread -= junked; } } else { d(printf(" unread count\n")); if (info) unread = info->unread; else unread = camel_folder_get_unread_message_count (folder); } } d(printf("folder updated: unread %d: '%s'\n", unread, mfi->full_name)); if (unread == -1) return; up = g_malloc0 (sizeof (*up)); up->full_name = g_strdup (mfi->full_name); up->unread = unread; up->new = new; up->store = g_object_ref (mfi->store_info->store); up->msg_uid = g_strdup (msg_uid); up->msg_sender = g_strdup (msg_sender); up->msg_subject = g_strdup (msg_subject); g_queue_push_tail (&cache->priv->updates, up); flush_updates (cache); } static void folder_changed_cb (CamelFolder *folder, CamelFolderChangeInfo *changes, MailFolderCache *cache) { static GHashTable *last_newmail_per_folder = NULL; time_t latest_received, new_latest_received; CamelFolder *local_drafts; CamelFolder *local_outbox; CamelFolder *local_sent; CamelSession *session; CamelStore *parent_store; CamelMessageInfo *info; StoreInfo *si; struct _folder_info *mfi; const gchar *full_name; gint new = 0; gint i; guint32 flags; gchar *uid = NULL, *sender = NULL, *subject = NULL; full_name = camel_folder_get_full_name (folder); parent_store = camel_folder_get_parent_store (folder); session = camel_service_get_session (CAMEL_SERVICE (parent_store)); if (!last_newmail_per_folder) last_newmail_per_folder = g_hash_table_new (g_direct_hash, g_direct_equal); /* it's fine to hash them by folder pointer here */ latest_received = GPOINTER_TO_INT ( g_hash_table_lookup (last_newmail_per_folder, folder)); new_latest_received = latest_received; local_drafts = e_mail_session_get_local_folder ( E_MAIL_SESSION (session), E_MAIL_LOCAL_FOLDER_DRAFTS); local_outbox = e_mail_session_get_local_folder ( E_MAIL_SESSION (session), E_MAIL_LOCAL_FOLDER_OUTBOX); local_sent = e_mail_session_get_local_folder ( E_MAIL_SESSION (session), E_MAIL_LOCAL_FOLDER_SENT); if (!CAMEL_IS_VEE_FOLDER (folder) && folder != local_drafts && folder != local_outbox && folder != local_sent && changes && (changes->uid_added->len > 0)) { /* for each added message, check to see that it is * brand new, not junk and not already deleted */ for (i = 0; i < changes->uid_added->len; i++) { info = camel_folder_get_message_info ( folder, changes->uid_added->pdata[i]); if (info) { flags = camel_message_info_flags (info); if (((flags & CAMEL_MESSAGE_SEEN) == 0) && ((flags & CAMEL_MESSAGE_JUNK) == 0) && ((flags & CAMEL_MESSAGE_DELETED) == 0) && (camel_message_info_date_received (info) > latest_received)) { if (camel_message_info_date_received (info) > new_latest_received) new_latest_received = camel_message_info_date_received (info); new++; if (new == 1) { uid = g_strdup (camel_message_info_uid (info)); sender = g_strdup (camel_message_info_from (info)); subject = g_strdup (camel_message_info_subject (info)); } else { g_free (uid); g_free (sender); g_free (subject); uid = NULL; sender = NULL; subject = NULL; } } camel_folder_free_message_info (folder, info); } } } if (new > 0) g_hash_table_insert ( last_newmail_per_folder, folder, GINT_TO_POINTER (new_latest_received)); g_mutex_lock (cache->priv->stores_mutex); if (cache->priv->stores != NULL && (si = g_hash_table_lookup (cache->priv->stores, parent_store)) != NULL && (mfi = g_hash_table_lookup (si->folders, full_name)) != NULL && mfi->folder == folder) { update_1folder (cache, mfi, new, uid, sender, subject, NULL); } g_mutex_unlock (cache->priv->stores_mutex); g_free (uid); g_free (sender); g_free (subject); } static void unset_folder_info (MailFolderCache *cache, struct _folder_info *mfi, gint delete, gint unsub) { struct _folder_update *up; d(printf("unset folderinfo '%s'\n", mfi->uri)); if (mfi->folder) { CamelFolder *folder = mfi->folder; g_signal_handlers_disconnect_by_func ( folder, folder_changed_cb, cache); g_object_remove_weak_pointer ( G_OBJECT (mfi->folder), &mfi->folder); } if ((mfi->flags & CAMEL_FOLDER_NOSELECT) == 0) { up = g_malloc0 (sizeof (*up)); up->remove = TRUE; up->delete = delete; up->unsub = unsub; up->store = g_object_ref (mfi->store_info->store); up->full_name = g_strdup (mfi->full_name); g_queue_push_tail (&cache->priv->updates, up); flush_updates (cache); } } static void setup_folder (MailFolderCache *cache, CamelFolderInfo *fi, StoreInfo *si) { struct _folder_info *mfi; struct _folder_update *up; mfi = g_hash_table_lookup (si->folders, fi->full_name); if (mfi) { update_1folder (cache, mfi, 0, NULL, NULL, NULL, fi); } else { mfi = g_malloc0 (sizeof (*mfi)); mfi->full_name = g_strdup (fi->full_name); mfi->store_info = si; mfi->flags = fi->flags; mfi->has_children = fi->child != NULL; g_hash_table_insert (si->folders, mfi->full_name, mfi); up = g_malloc0 (sizeof (*up)); up->full_name = g_strdup (mfi->full_name); up->unread = fi->unread; up->store = g_object_ref (si->store); if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0) up->add = TRUE; g_queue_push_tail (&cache->priv->updates, up); flush_updates (cache); } } static void create_folders (MailFolderCache *cache, CamelFolderInfo *fi, StoreInfo *si) { while (fi) { setup_folder (cache, fi, si); if (fi->child) create_folders (cache, fi->child, si); fi = fi->next; } } static void store_folder_subscribed_cb (CamelStore *store, CamelFolderInfo *info, MailFolderCache *cache) { StoreInfo *si; g_mutex_lock (cache->priv->stores_mutex); si = g_hash_table_lookup (cache->priv->stores, store); if (si) setup_folder (cache, info, si); g_mutex_unlock (cache->priv->stores_mutex); } static void store_folder_created_cb (CamelStore *store, CamelFolderInfo *info, MailFolderCache *cache) { /* We only want created events to do more work * if we dont support subscriptions. */ if (!CAMEL_IS_SUBSCRIBABLE (store)) store_folder_subscribed_cb (store, info, cache); } static void store_folder_opened_cb (CamelStore *store, CamelFolder *folder, MailFolderCache *cache) { mail_folder_cache_note_folder (cache, folder); } static void store_folder_unsubscribed_cb (CamelStore *store, CamelFolderInfo *info, MailFolderCache *cache) { StoreInfo *si; struct _folder_info *mfi; g_mutex_lock (cache->priv->stores_mutex); si = g_hash_table_lookup (cache->priv->stores, store); if (si) { mfi = g_hash_table_lookup (si->folders, info->full_name); if (mfi) { unset_folder_info (cache, mfi, TRUE, TRUE); g_hash_table_remove (si->folders, mfi->full_name); } } g_mutex_unlock (cache->priv->stores_mutex); } static void store_folder_deleted_cb (CamelStore *store, CamelFolderInfo *info, MailFolderCache *cache) { /* We only want deleted events to do more work * if we dont support subscriptions. */ if (!CAMEL_IS_SUBSCRIBABLE (store)) store_folder_unsubscribed_cb (store, info, cache); } static void rename_folders (MailFolderCache *cache, StoreInfo *si, const gchar *oldbase, const gchar *newbase, CamelFolderInfo *fi) { gchar *old, *olduri, *oldfile, *newuri, *newfile; struct _folder_info *mfi; struct _folder_update *up; const gchar *config_dir; up = g_malloc0 (sizeof (*up)); d(printf("oldbase '%s' newbase '%s' new '%s'\n", oldbase, newbase, fi->full_name)); /* Form what was the old name, and try and look it up */ old = g_strdup_printf("%s%s", oldbase, fi->full_name + strlen(newbase)); mfi = g_hash_table_lookup (si->folders, old); if (mfi) { up->oldfull = mfi->full_name; /* Be careful not to invoke the destroy function. */ g_hash_table_steal (si->folders, mfi->full_name); /* Its a rename op */ mfi->full_name = g_strdup (fi->full_name); mfi->flags = fi->flags; mfi->has_children = fi->child != NULL; g_hash_table_insert (si->folders, mfi->full_name, mfi); } else { /* Its a new op */ mfi = g_malloc0 (sizeof (*mfi)); mfi->full_name = g_strdup (fi->full_name); mfi->store_info = si; mfi->flags = fi->flags; mfi->has_children = fi->child != NULL; g_hash_table_insert (si->folders, mfi->full_name, mfi); } up->full_name = g_strdup (mfi->full_name); up->unread = fi->unread==-1 ? 0 : fi->unread; up->store = g_object_ref (si->store); if ((fi->flags & CAMEL_FOLDER_NOSELECT) == 0) up->add = TRUE; g_queue_push_tail (&cache->priv->updates, up); flush_updates (cache); #if 0 if (fi->sibling) rename_folders (cache, si, oldbase, newbase, fi->sibling, folders); if (fi->child) rename_folders (cache, si, oldbase, newbase, fi->child, folders); #endif /* rename the meta-data we maintain ourselves */ config_dir = mail_session_get_config_dir (); olduri = e_mail_folder_uri_build (si->store, old); e_filename_make_safe (olduri); newuri = e_mail_folder_uri_build (si->store, fi->full_name); e_filename_make_safe (newuri); oldfile = g_strdup_printf("%s/custom_view-%s.xml", config_dir, olduri); newfile = g_strdup_printf("%s/custom_view-%s.xml", config_dir, newuri); g_rename (oldfile, newfile); g_free (oldfile); g_free (newfile); oldfile = g_strdup_printf("%s/current_view-%s.xml", config_dir, olduri); newfile = g_strdup_printf("%s/current_view-%s.xml", config_dir, newuri); g_rename (oldfile, newfile); g_free (oldfile); g_free (newfile); g_free (olduri); g_free (newuri); g_free (old); } static void get_folders (CamelFolderInfo *fi, GPtrArray *folders) { while (fi) { g_ptr_array_add (folders, fi); if (fi->child) get_folders (fi->child, folders); fi = fi->next; } } static gint folder_cmp (gconstpointer ap, gconstpointer bp) { const CamelFolderInfo *a = ((CamelFolderInfo **) ap)[0]; const CamelFolderInfo *b = ((CamelFolderInfo **) bp)[0]; return strcmp (a->full_name, b->full_name); } static void store_folder_renamed_cb (CamelStore *store, const gchar *old_name, CamelFolderInfo *info, MailFolderCache *cache) { StoreInfo *si; g_mutex_lock (cache->priv->stores_mutex); si = g_hash_table_lookup (cache->priv->stores, store); if (si) { GPtrArray *folders = g_ptr_array_new (); CamelFolderInfo *top; gint i; /* Ok, so for some reason the folderinfo we have comes in all messed up from * imap, should find out why ... this makes it workable */ get_folders (info, folders); qsort (folders->pdata, folders->len, sizeof (folders->pdata[0]), folder_cmp); top = folders->pdata[0]; for (i = 0; i < folders->len; i++) { rename_folders (cache, si, old_name, top->full_name, folders->pdata[i]); } g_ptr_array_free (folders, TRUE); } g_mutex_unlock (cache->priv->stores_mutex); } static void unset_folder_info_hash (gchar *path, struct _folder_info *mfi, gpointer data) { MailFolderCache *cache = (MailFolderCache *) data; unset_folder_info (cache, mfi, FALSE, FALSE); } static void mail_folder_cache_first_update (MailFolderCache *cache, StoreInfo *info) { EMailSession *session; const gchar *uid; session = mail_folder_cache_get_session (cache); uid = camel_service_get_uid (CAMEL_SERVICE (info->store)); if (info->vjunk != NULL) mail_folder_cache_note_folder (cache, info->vjunk); if (info->vtrash != NULL) mail_folder_cache_note_folder (cache, info->vtrash); /* Some extra work for the "On This Computer" store. */ if (g_strcmp0 (uid, E_MAIL_SESSION_LOCAL_UID) == 0) { CamelFolder *folder; gint ii; for (ii = 0; ii < E_MAIL_NUM_LOCAL_FOLDERS; ii++) { folder = e_mail_session_get_local_folder (session, ii); mail_folder_cache_note_folder (cache, folder); } } } static void update_folders (CamelStore *store, GAsyncResult *result, struct _update_data *ud) { CamelFolderInfo *fi; StoreInfo *si; GError *error = NULL; fi = camel_store_get_folder_info_finish (store, result, &error); if (error != NULL) { g_warning ("%s", error->message); g_error_free (error); } g_mutex_lock (ud->cache->priv->stores_mutex); si = g_hash_table_lookup (ud->cache->priv->stores, store); if (si && !g_cancellable_is_cancelled (ud->cancellable)) { /* The 'si' is still there, so we can remove ourselves from * its list. Or else its not, and we're on our own and free * anyway. */ g_queue_remove (&si->folderinfo_updates, ud); if (fi != NULL) create_folders (ud->cache, fi, si); } g_mutex_unlock (ud->cache->priv->stores_mutex); /* Do some extra work for the first update. */ if (si != NULL && si->first_update) { mail_folder_cache_first_update (ud->cache, si); si->first_update = FALSE; } if (fi != NULL) { gboolean free_fi = TRUE; if (ud->done != NULL) free_fi = ud->done (ud->cache, store, fi, ud->data); if (free_fi) camel_store_free_folder_info (store, fi); } if (ud->cancellable != NULL) g_object_unref (ud->cancellable); g_free (ud); } struct _ping_store_msg { MailMsg base; CamelStore *store; }; static gchar * ping_store_desc (struct _ping_store_msg *m) { gchar *service_name; gchar *msg; service_name = camel_service_get_name (CAMEL_SERVICE (m->store), TRUE); msg = g_strdup_printf (_("Pinging %s"), service_name); g_free (service_name); return msg; } static void ping_store_exec (struct _ping_store_msg *m, GCancellable *cancellable, GError **error) { CamelServiceConnectionStatus status; CamelService *service; gboolean online = FALSE; service = CAMEL_SERVICE (m->store); status = camel_service_get_connection_status (service); if (status == CAMEL_SERVICE_CONNECTED) { if (CAMEL_IS_DISCO_STORE (m->store) && camel_disco_store_status ( CAMEL_DISCO_STORE (m->store)) !=CAMEL_DISCO_STORE_OFFLINE) online = TRUE; else if (CAMEL_IS_OFFLINE_STORE (m->store) && camel_offline_store_get_online ( CAMEL_OFFLINE_STORE (m->store))) online = TRUE; } if (online) camel_store_noop_sync (m->store, cancellable, error); } static void ping_store_free (struct _ping_store_msg *m) { g_object_unref (m->store); } static MailMsgInfo ping_store_info = { sizeof (struct _ping_store_msg), (MailMsgDescFunc) ping_store_desc, (MailMsgExecFunc) ping_store_exec, (MailMsgDoneFunc) NULL, (MailMsgFreeFunc) ping_store_free }; static void ping_store (CamelStore *store) { CamelServiceConnectionStatus status; CamelService *service; struct _ping_store_msg *m; service = CAMEL_SERVICE (store); status = camel_service_get_connection_status (service); if (status != CAMEL_SERVICE_CONNECTED) return; m = mail_msg_new (&ping_store_info); m->store = g_object_ref (store); mail_msg_slow_ordered_push (m); } static gboolean ping_cb (MailFolderCache *cache) { g_mutex_lock (cache->priv->stores_mutex); g_hash_table_foreach (cache->priv->stores, (GHFunc) ping_store, NULL); g_mutex_unlock (cache->priv->stores_mutex); return TRUE; } static void store_go_online_cb (CamelStore *store, GAsyncResult *result, struct _update_data *ud) { /* FIXME Not checking result for error. */ g_mutex_lock (ud->cache->priv->stores_mutex); if (g_hash_table_lookup (ud->cache->priv->stores, store) != NULL && !g_cancellable_is_cancelled (ud->cancellable)) { /* We're already in the store update list. */ camel_store_get_folder_info ( store, NULL, CAMEL_STORE_FOLDER_INFO_FAST | CAMEL_STORE_FOLDER_INFO_RECURSIVE | CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, G_PRIORITY_DEFAULT, ud->cancellable, (GAsyncReadyCallback) update_folders, ud); } else { /* The store vanished, that means we were probably cancelled, * or at any rate, need to clean ourselves up. */ if (ud->cancellable != NULL) g_object_unref (ud->cancellable); g_free (ud); } g_mutex_unlock (ud->cache->priv->stores_mutex); } static GList * find_folder_uri (GQueue *queue, CamelSession *session, const gchar *folder_uri) { GList *head, *link; head = g_queue_peek_head_link (queue); for (link = head; link != NULL; link = g_list_next (link)) if (e_mail_folder_uri_equal (session, link->data, folder_uri)) break; return link; } struct _find_info { const gchar *folder_uri; struct _folder_info *fi; }; static void storeinfo_find_folder_info (CamelStore *store, StoreInfo *si, struct _find_info *fi) { gchar *folder_name; gboolean success; if (fi->fi != NULL) return; success = e_mail_folder_uri_parse ( camel_service_get_session (CAMEL_SERVICE (store)), fi->folder_uri, NULL, &folder_name, NULL); if (success) { fi->fi = g_hash_table_lookup (si->folders, folder_name); g_free (folder_name); } } static void mail_folder_cache_service_removed (EMailAccountStore *account_store, CamelService *service, MailFolderCache *cache) { StoreInfo *si; if (cache->priv->stores == NULL) return; g_mutex_lock (cache->priv->stores_mutex); si = g_hash_table_lookup (cache->priv->stores, service); if (si != NULL) { g_hash_table_remove (cache->priv->stores, service); g_signal_handlers_disconnect_matched ( service, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, cache); g_hash_table_foreach ( si->folders, (GHFunc) unset_folder_info_hash, cache); store_info_free (si); } g_mutex_unlock (cache->priv->stores_mutex); } static void mail_folder_cache_service_enabled (EMailAccountStore *account_store, CamelService *service, MailFolderCache *cache) { mail_folder_cache_note_store ( cache, CAMEL_STORE (service), NULL, NULL, NULL); } static void mail_folder_cache_service_disabled (EMailAccountStore *account_store, CamelService *service, MailFolderCache *cache) { /* To the folder cache, disabling a service is the same as * removing it. We keep a separate callback function only * to use as a breakpoint target in a debugger. */ mail_folder_cache_service_removed (account_store, service, cache); } static void mail_folder_cache_set_session (MailFolderCache *cache, EMailSession *session) { g_return_if_fail (E_IS_MAIL_SESSION (session)); g_return_if_fail (cache->priv->session == NULL); cache->priv->session = session; g_object_add_weak_pointer ( G_OBJECT (cache->priv->session), &cache->priv->session); } static void mail_folder_cache_set_property (GObject *object, guint property_id, const GValue *value, GParamSpec *pspec) { switch (property_id) { case PROP_SESSION: mail_folder_cache_set_session ( MAIL_FOLDER_CACHE (object), g_value_get_object (value)); return; } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void mail_folder_cache_get_property (GObject *object, guint property_id, GValue *value, GParamSpec *pspec) { switch (property_id) { case PROP_SESSION: g_value_set_object ( value, mail_folder_cache_get_session ( MAIL_FOLDER_CACHE (object))); return; } G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec); } static void mail_folder_cache_dispose (GObject *object) { MailFolderCachePrivate *priv; priv = MAIL_FOLDER_CACHE_GET_PRIVATE (object); if (priv->session != NULL) { g_object_remove_weak_pointer ( G_OBJECT (priv->session), &priv->session); priv->session = NULL; } if (priv->account_store != NULL) { g_signal_handlers_disconnect_matched ( priv->account_store, G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, object); g_object_unref (priv->account_store); priv->account_store = NULL; } /* Chain up to parent's dispose() method. */ G_OBJECT_CLASS (mail_folder_cache_parent_class)->dispose (object); } static void mail_folder_cache_finalize (GObject *object) { MailFolderCachePrivate *priv; priv = MAIL_FOLDER_CACHE_GET_PRIVATE (object); g_hash_table_destroy (priv->stores); g_mutex_free (priv->stores_mutex); if (priv->ping_id > 0) { g_source_remove (priv->ping_id); priv->ping_id = 0; } if (priv->update_id > 0) { g_source_remove (priv->update_id); priv->update_id = 0; } while (!g_queue_is_empty (&priv->local_folder_uris)) g_free (g_queue_pop_head (&priv->local_folder_uris)); while (!g_queue_is_empty (&priv->remote_folder_uris)) g_free (g_queue_pop_head (&priv->remote_folder_uris)); /* Chain up to parent's finalize() method. */ G_OBJECT_CLASS (mail_folder_cache_parent_class)->finalize (object); } static void mail_folder_cache_constructed (GObject *object) { MailFolderCache *cache; EMailSession *session; EMailAccountStore *account_store; cache = MAIL_FOLDER_CACHE (object); /* Chain up to parent's constructed() method. */ G_OBJECT_CLASS (mail_folder_cache_parent_class)->constructed (object); session = mail_folder_cache_get_session (cache); account_store = e_mail_session_get_account_store (session); cache->priv->account_store = g_object_ref (account_store); /* No need to connect to "service-added" emissions since it's * always immediately followed by either "service-enabled" or * "service-disabled". */ g_signal_connect ( account_store, "service-removed", G_CALLBACK (mail_folder_cache_service_removed), cache); g_signal_connect ( account_store, "service-enabled", G_CALLBACK (mail_folder_cache_service_enabled), cache); g_signal_connect ( account_store, "service-disabled", G_CALLBACK (mail_folder_cache_service_disabled), cache); } static void mail_folder_cache_folder_available (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { CamelService *service; CamelSession *session; CamelProvider *provider; GQueue *queue; gchar *folder_uri; /* Disregard virtual stores. */ if (CAMEL_IS_VEE_STORE (store)) return; /* Disregard virtual Junk folders. */ if (store->flags & CAMEL_STORE_VJUNK) if (g_strcmp0 (folder_name, CAMEL_VJUNK_NAME) == 0) return; /* Disregard virtual Trash folders. */ if (store->flags & CAMEL_STORE_VTRASH) if (g_strcmp0 (folder_name, CAMEL_VTRASH_NAME) == 0) return; service = CAMEL_SERVICE (store); session = camel_service_get_session (service); provider = camel_service_get_provider (service); /* Reuse the stores mutex just because it's handy. */ g_mutex_lock (cache->priv->stores_mutex); folder_uri = e_mail_folder_uri_build (store, folder_name); if (provider->flags & CAMEL_PROVIDER_IS_REMOTE) queue = &cache->priv->remote_folder_uris; else queue = &cache->priv->local_folder_uris; if (find_folder_uri (queue, session, folder_uri) == NULL) g_queue_push_tail (queue, folder_uri); else g_free (folder_uri); g_mutex_unlock (cache->priv->stores_mutex); } static void mail_folder_cache_folder_unavailable (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { CamelService *service; CamelSession *session; CamelProvider *provider; GQueue *queue; GList *link; gchar *folder_uri; /* Disregard virtual stores. */ if (CAMEL_IS_VEE_STORE (store)) return; /* Disregard virtual Junk folders. */ if (store->flags & CAMEL_STORE_VJUNK) if (g_strcmp0 (folder_name, CAMEL_VJUNK_NAME) == 0) return; /* Disregard virtual Trash folders. */ if (store->flags & CAMEL_STORE_VTRASH) if (g_strcmp0 (folder_name, CAMEL_VTRASH_NAME) == 0) return; service = CAMEL_SERVICE (store); session = camel_service_get_session (service); provider = camel_service_get_provider (service); /* Reuse the stores mutex just because it's handy. */ g_mutex_lock (cache->priv->stores_mutex); folder_uri = e_mail_folder_uri_build (store, folder_name); if (provider->flags & CAMEL_PROVIDER_IS_REMOTE) queue = &cache->priv->remote_folder_uris; else queue = &cache->priv->local_folder_uris; link = find_folder_uri (queue, session, folder_uri); if (link != NULL) { g_free (link->data); g_queue_delete_link (queue, link); } g_free (folder_uri); g_mutex_unlock (cache->priv->stores_mutex); } static void mail_folder_cache_folder_deleted (MailFolderCache *cache, CamelStore *store, const gchar *folder_name) { CamelService *service; CamelSession *session; GQueue *queue; GList *link; gchar *folder_uri; /* Disregard virtual stores. */ if (CAMEL_IS_VEE_STORE (store)) return; /* Disregard virtual Junk folders. */ if (store->flags & CAMEL_STORE_VJUNK) if (g_strcmp0 (folder_name, CAMEL_VJUNK_NAME) == 0) return; /* Disregard virtual Trash folders. */ if (store->flags & CAMEL_STORE_VTRASH) if (g_strcmp0 (folder_name, CAMEL_VTRASH_NAME) == 0) return; service = CAMEL_SERVICE (store); session = camel_service_get_session (service); /* Reuse the stores mutex just because it's handy. */ g_mutex_lock (cache->priv->stores_mutex); folder_uri = e_mail_folder_uri_build (store, folder_name); queue = &cache->priv->local_folder_uris; link = find_folder_uri (queue, session, folder_uri); if (link != NULL) { g_free (link->data); g_queue_delete_link (queue, link); } queue = &cache->priv->remote_folder_uris; link = find_folder_uri (queue, session, folder_uri); if (link != NULL) { g_free (link->data); g_queue_delete_link (queue, link); } g_free (folder_uri); g_mutex_unlock (cache->priv->stores_mutex); } static void mail_folder_cache_class_init (MailFolderCacheClass *class) { GObjectClass *object_class; g_type_class_add_private (class, sizeof (MailFolderCachePrivate)); object_class = G_OBJECT_CLASS (class); object_class->set_property = mail_folder_cache_set_property; object_class->get_property = mail_folder_cache_get_property; object_class->dispose = mail_folder_cache_dispose; object_class->finalize = mail_folder_cache_finalize; object_class->constructed = mail_folder_cache_constructed; class->folder_available = mail_folder_cache_folder_available; class->folder_unavailable = mail_folder_cache_folder_unavailable; class->folder_deleted = mail_folder_cache_folder_deleted; g_object_class_install_property ( object_class, PROP_SESSION, g_param_spec_object ( "session", "Session", "Mail session", E_TYPE_MAIL_SESSION, G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); /** * MailFolderCache::folder-available * @store: the #CamelStore containing the folder * @folder_name: the name of the folder * * Emitted when a folder becomes available **/ signals[FOLDER_AVAILABLE] = g_signal_new ( "folder-available", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_available), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING, G_TYPE_NONE, 2, CAMEL_TYPE_STORE, G_TYPE_STRING); /** * MailFolderCache::folder-unavailable * @store: the #CamelStore containing the folder * @folder_name: the name of the folder * * Emitted when a folder becomes unavailable. This represents a * transient condition. See MailFolderCache::folder-deleted to be * notified when a folder is permanently removed. **/ signals[FOLDER_UNAVAILABLE] = g_signal_new ( "folder-unavailable", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_unavailable), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING, G_TYPE_NONE, 2, CAMEL_TYPE_STORE, G_TYPE_STRING); /** * MailFolderCache::folder-deleted * @store: the #CamelStore containing the folder * @folder_name: the name of the folder * * Emitted when a folder is deleted **/ signals[FOLDER_DELETED] = g_signal_new ( "folder-deleted", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_deleted), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING, G_TYPE_NONE, 2, CAMEL_TYPE_STORE, G_TYPE_STRING); /** * MailFolderCache::folder-renamed * @store: the #CamelStore containing the folder * @old_folder_name: the old name of the folder * @new_folder_name: the new name of the folder * * Emitted when a folder is renamed **/ signals[FOLDER_RENAMED] = g_signal_new ( "folder-renamed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_renamed), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING_STRING, G_TYPE_NONE, 3, CAMEL_TYPE_STORE, G_TYPE_STRING, G_TYPE_STRING); /** * MailFolderCache::folder-unread-updated * @store: the #CamelStore containing the folder * @folder_name: the name of the folder * @unread: the number of unread mails in the folder * * Emitted when a we receive an update to the unread count for a folder **/ signals[FOLDER_UNREAD_UPDATED] = g_signal_new ( "folder-unread-updated", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_unread_updated), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING_INT, G_TYPE_NONE, 3, CAMEL_TYPE_STORE, G_TYPE_STRING, G_TYPE_INT); /** * MailFolderCache::folder-changed * @store: the #CamelStore containing the folder * @folder_name: the name of the folder * @new_messages: the number of new messages for the folder * @msg_uid: uid of the new message, or NULL * @msg_sender: sender of the new message, or NULL * @msg_subject: subject of the new message, or NULL * * Emitted when a folder has changed. If @new_messages is not * exactly 1, @msg_uid, @msg_sender, and @msg_subject will be NULL. **/ signals[FOLDER_CHANGED] = g_signal_new ( "folder-changed", G_OBJECT_CLASS_TYPE (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (MailFolderCacheClass, folder_changed), NULL, NULL, /* accumulator */ e_marshal_VOID__OBJECT_STRING_INT_STRING_STRING_STRING, G_TYPE_NONE, 6, CAMEL_TYPE_STORE, G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING); } static void mail_folder_cache_init (MailFolderCache *cache) { const gchar *buf; guint timeout; cache->priv = MAIL_FOLDER_CACHE_GET_PRIVATE (cache); /* initialize values */ cache->priv->stores = g_hash_table_new (NULL, NULL); cache->priv->stores_mutex = g_mutex_new (); g_queue_init (&cache->priv->updates); cache->priv->count_sent = getenv("EVOLUTION_COUNT_SENT") != NULL; cache->priv->count_trash = getenv("EVOLUTION_COUNT_TRASH") != NULL; buf = getenv ("EVOLUTION_PING_TIMEOUT"); timeout = buf ? strtoul (buf, NULL, 10) : 600; cache->priv->ping_id = g_timeout_add_seconds ( timeout, (GSourceFunc) ping_cb, cache); g_queue_init (&cache->priv->local_folder_uris); g_queue_init (&cache->priv->remote_folder_uris); } MailFolderCache * mail_folder_cache_new (EMailSession *session) { g_return_val_if_fail (E_IS_MAIL_SESSION (session), NULL); return g_object_new ( MAIL_TYPE_FOLDER_CACHE, "session", session, NULL); } EMailSession * mail_folder_cache_get_session (MailFolderCache *cache) { g_return_val_if_fail (MAIL_IS_FOLDER_CACHE (cache), NULL); return E_MAIL_SESSION (cache->priv->session); } /** * mail_folder_cache_note_store: * * Add a store whose folders should appear in the shell The folders are scanned * from the store, and/or added at runtime via the folder_created event. The * @done function returns if we can free folder info. */ void mail_folder_cache_note_store (MailFolderCache *cache, CamelStore *store, GCancellable *cancellable, NoteDoneFunc done, gpointer data) { CamelSession *session; StoreInfo *si; struct _update_data *ud; gint hook = 0; g_return_if_fail (MAIL_IS_FOLDER_CACHE (cache)); g_return_if_fail (CAMEL_IS_STORE (store)); session = camel_service_get_session (CAMEL_SERVICE (store)); g_mutex_lock (cache->priv->stores_mutex); si = g_hash_table_lookup (cache->priv->stores, store); if (si == NULL) { si = store_info_new (store); g_hash_table_insert (cache->priv->stores, store, si); hook = TRUE; } ud = g_malloc0 (sizeof (*ud)); ud->done = done; ud->data = data; ud->cache = cache; if (G_IS_CANCELLABLE (cancellable)) ud->cancellable = g_object_ref (cancellable); /* We might get a race when setting up a store, such that it is * still left in offline mode, after we've gone online. This * catches and fixes it up when the shell opens us. */ if (CAMEL_IS_DISCO_STORE (store)) { if (camel_session_get_online (session) && camel_disco_store_status (CAMEL_DISCO_STORE (store)) == CAMEL_DISCO_STORE_OFFLINE) { e_mail_store_go_online ( store, G_PRIORITY_DEFAULT, cancellable, (GAsyncReadyCallback) store_go_online_cb, ud); } else { goto normal_setup; } } else if (CAMEL_IS_OFFLINE_STORE (store)) { if (camel_session_get_online (session) && !camel_offline_store_get_online ( CAMEL_OFFLINE_STORE (store))) { e_mail_store_go_online ( store, G_PRIORITY_DEFAULT, cancellable, (GAsyncReadyCallback) store_go_online_cb, ud); } else { goto normal_setup; } } else { normal_setup: camel_store_get_folder_info ( store, NULL, CAMEL_STORE_FOLDER_INFO_FAST | CAMEL_STORE_FOLDER_INFO_RECURSIVE | CAMEL_STORE_FOLDER_INFO_SUBSCRIBED, G_PRIORITY_DEFAULT, cancellable, (GAsyncReadyCallback) update_folders, ud); } g_queue_push_tail (&si->folderinfo_updates, ud); g_mutex_unlock (cache->priv->stores_mutex); /* there is potential for race here, but it is safe as we check * for the store anyway */ if (hook) { g_signal_connect ( store, "folder-opened", G_CALLBACK (store_folder_opened_cb), cache); g_signal_connect ( store, "folder-created", G_CALLBACK (store_folder_created_cb), cache); g_signal_connect ( store, "folder-deleted", G_CALLBACK (store_folder_deleted_cb), cache); g_signal_connect ( store, "folder-renamed", G_CALLBACK (store_folder_renamed_cb), cache); } if (hook && CAMEL_IS_SUBSCRIBABLE (store)) { g_signal_connect ( store, "folder-subscribed", G_CALLBACK (store_folder_subscribed_cb), cache); g_signal_connect ( store, "folder-unsubscribed", G_CALLBACK (store_folder_unsubscribed_cb), cache); } } /** * mail_folder_cache_note_folder: * * When a folder has been opened, notify it for watching. The folder must have * already been created on the store (which has already been noted) before the * folder can be opened */ void mail_folder_cache_note_folder (MailFolderCache *cache, CamelFolder *folder) { CamelStore *parent_store; StoreInfo *si; struct _folder_info *mfi; const gchar *full_name; g_return_if_fail (MAIL_IS_FOLDER_CACHE (cache)); g_return_if_fail (CAMEL_IS_FOLDER (folder)); full_name = camel_folder_get_full_name (folder); parent_store = camel_folder_get_parent_store (folder); g_mutex_lock (cache->priv->stores_mutex); if (cache->priv->stores == NULL || (si = g_hash_table_lookup (cache->priv->stores, parent_store)) == NULL || (mfi = g_hash_table_lookup (si->folders, full_name)) == NULL) { w(g_warning("Noting folder before store initialised")); g_mutex_unlock (cache->priv->stores_mutex); return; } /* dont do anything if we already have this */ if (mfi->folder == folder) { g_mutex_unlock (cache->priv->stores_mutex); return; } mfi->folder = folder; g_object_add_weak_pointer (G_OBJECT (folder), &mfi->folder); update_1folder (cache, mfi, 0, NULL, NULL, NULL, NULL); g_mutex_unlock (cache->priv->stores_mutex); g_signal_connect ( folder, "changed", G_CALLBACK (folder_changed_cb), cache); } /** * mail_folder_cache_get_folder_from_uri: * * Gets the #CamelFolder for the supplied @uri. * * Returns: %TRUE if the URI is available, folderp is set to a reffed * folder if the folder has also already been opened */ gboolean mail_folder_cache_get_folder_from_uri (MailFolderCache *cache, const gchar *uri, CamelFolder **folderp) { struct _find_info fi = { uri, NULL }; if (cache->priv->stores == NULL) return FALSE; g_mutex_lock (cache->priv->stores_mutex); g_hash_table_foreach ( cache->priv->stores, (GHFunc) storeinfo_find_folder_info, &fi); if (folderp) { if (fi.fi && fi.fi->folder) *folderp = g_object_ref (fi.fi->folder); else *folderp = NULL; } g_mutex_unlock (cache->priv->stores_mutex); return fi.fi != NULL; } gboolean mail_folder_cache_get_folder_info_flags (MailFolderCache *cache, CamelFolder *folder, CamelFolderInfoFlags *flags) { struct _find_info fi = { NULL, NULL }; gchar *folder_uri; if (cache->priv->stores == NULL) return FALSE; folder_uri = e_mail_folder_uri_from_folder (folder); fi.folder_uri = folder_uri; g_mutex_lock (cache->priv->stores_mutex); g_hash_table_foreach ( cache->priv->stores, (GHFunc) storeinfo_find_folder_info, &fi); if (flags) { if (fi.fi) *flags = fi.fi->flags; else *flags = 0; } g_mutex_unlock (cache->priv->stores_mutex); g_free (folder_uri); return fi.fi != NULL; } /* Returns whether folder 'folder' has children based on folder_info->child property. * If not found returns FALSE and sets 'found' to FALSE, if not NULL. */ gboolean mail_folder_cache_get_folder_has_children (MailFolderCache *cache, CamelFolder *folder, gboolean *found) { struct _find_info fi = { NULL, NULL }; gchar *folder_uri; g_return_val_if_fail (cache != NULL, FALSE); g_return_val_if_fail (folder != NULL, FALSE); if (cache->priv->stores == NULL) return FALSE; folder_uri = e_mail_folder_uri_from_folder (folder); fi.folder_uri = folder_uri; g_mutex_lock (cache->priv->stores_mutex); g_hash_table_foreach ( cache->priv->stores, (GHFunc) storeinfo_find_folder_info, &fi); if (found) *found = fi.fi != NULL; g_mutex_unlock (cache->priv->stores_mutex); g_free (folder_uri); return fi.fi != NULL && fi.fi->has_children; } void mail_folder_cache_get_local_folder_uris (MailFolderCache *self, GQueue *out_queue) { GList *head, *link; g_return_if_fail (MAIL_IS_FOLDER_CACHE (self)); g_return_if_fail (out_queue != NULL); /* Reuse the stores mutex just because it's handy. */ g_mutex_lock (self->priv->stores_mutex); head = g_queue_peek_head_link (&self->priv->local_folder_uris); for (link = head; link != NULL; link = g_list_next (link)) g_queue_push_tail (out_queue, g_strdup (link->data)); g_mutex_unlock (self->priv->stores_mutex); } void mail_folder_cache_get_remote_folder_uris (MailFolderCache *self, GQueue *out_queue) { GList *head, *link; g_return_if_fail (MAIL_IS_FOLDER_CACHE (self)); g_return_if_fail (out_queue != NULL); /* Reuse the stores mutex just because it's handy. */ g_mutex_lock (self->priv->stores_mutex); head = g_queue_peek_head_link (&self->priv->remote_folder_uris); for (link = head; link != NULL; link = g_list_next (link)) g_queue_push_tail (out_queue, g_strdup (link->data)); g_mutex_unlock (self->priv->stores_mutex); }