[evolution-data-server/gnome-3-24] Bug 786208 - Already opened message box doesn’t show new emails



commit 3999a753aa56a257f5cbeef36fa8ca71a7d20ca9
Author: Milan Crha <mcrha redhat com>
Date:   Mon Oct 2 13:40:17 2017 +0200

    Bug 786208 - Already opened message box doesn’t show new emails

 src/camel/camel-folder-summary.c |   98 +++++++++++++++++++++++--------------
 src/camel/camel-vee-summary.c    |   10 ----
 2 files changed, 61 insertions(+), 47 deletions(-)
---
diff --git a/src/camel/camel-folder-summary.c b/src/camel/camel-folder-summary.c
index 694a7c3..52f8e20 100644
--- a/src/camel/camel-folder-summary.c
+++ b/src/camel/camel-folder-summary.c
@@ -1186,7 +1186,7 @@ camel_folder_summary_check_uid (CamelFolderSummary *summary,
 
        camel_folder_summary_lock (summary);
 
-       ret = g_hash_table_lookup_extended (summary->priv->uids, uid, NULL, NULL);
+       ret = g_hash_table_contains (summary->priv->uids, uid);
 
        camel_folder_summary_unlock (summary);
 
@@ -1298,7 +1298,7 @@ camel_folder_summary_get_hash (CamelFolderSummary *summary)
  * @uid: a message UID to look for
  *
  * Returns: (nullable) (transfer full): a #CamelMessageInfo for the given @uid,
- *    if it's currently loaded in memoru, or %NULL otherwise. Unref the non-NULL
+ *    if it's currently loaded in memory, or %NULL otherwise. Unref the non-NULL
  *    info with g_object_unref() when done with it.
  *
  * Since: 2.26
@@ -1311,11 +1311,15 @@ camel_folder_summary_peek_loaded (CamelFolderSummary *summary,
 
        g_return_val_if_fail (CAMEL_IS_FOLDER_SUMMARY (summary), NULL);
 
+       camel_folder_summary_lock (summary);
+
        info = g_hash_table_lookup (summary->priv->loaded_infos, uid);
 
        if (info)
                g_object_ref (info);
 
+       camel_folder_summary_unlock (summary);
+
        return info;
 }
 
@@ -1992,35 +1996,27 @@ camel_read_mir_callback (gpointer ref,
        return ret;
 }
 
+typedef struct _SaveData {
+       CamelFolderSummary *summary;
+       const gchar *full_name;
+       CamelDB *cdb;
+       GError **out_error;
+} SaveData;
+
 static void
 save_to_db_cb (gpointer key,
                gpointer value,
-               gpointer data)
+               gpointer user_data)
 {
        CamelMessageInfo *mi = value;
-       CamelFolderSummary *summary;
-       CamelStore *parent_store;
-       const gchar *full_name;
-       CamelDB *cdb;
        CamelMIRecord *mir;
        GString *bdata_str;
-       GError **error = data;
+       SaveData *dt = user_data;
 
-       if (!camel_message_info_get_dirty (mi))
-               return;
-
-       summary = camel_message_info_ref_summary (mi);
-       if (!summary)
-               return;
+       g_return_if_fail (dt != NULL);
 
-       full_name = camel_folder_get_full_name (summary->priv->folder);
-       parent_store = camel_folder_get_parent_store (summary->priv->folder);
-       if (!parent_store) {
-               g_clear_object (&summary);
+       if (!camel_message_info_get_dirty (mi))
                return;
-       }
-
-       cdb = camel_store_get_db (parent_store);
 
        mir = g_new0 (CamelMIRecord, 1);
        bdata_str = g_string_new (NULL);
@@ -2029,7 +2025,6 @@ save_to_db_cb (gpointer key,
                g_warning ("Failed to save message info: %s\n", camel_message_info_get_uid (mi));
                g_string_free (bdata_str, TRUE);
                camel_db_camel_mir_free (mir);
-               g_clear_object (&summary);
                return;
        }
 
@@ -2037,9 +2032,8 @@ save_to_db_cb (gpointer key,
        mir->bdata = g_string_free (bdata_str, FALSE);
        bdata_str = NULL;
 
-       if (camel_db_write_message_info_record (cdb, full_name, mir, error) != 0) {
+       if (camel_db_write_message_info_record (dt->cdb, dt->full_name, mir, dt->out_error) != 0) {
                camel_db_camel_mir_free (mir);
-               g_clear_object (&summary);
                return;
        }
 
@@ -2049,7 +2043,6 @@ save_to_db_cb (gpointer key,
        camel_message_info_set_dirty (mi, FALSE);
 
        camel_db_camel_mir_free (mir);
-       g_clear_object (&summary);
 }
 
 static gint
@@ -2059,6 +2052,7 @@ save_message_infos_to_db (CamelFolderSummary *summary,
        CamelStore *parent_store;
        CamelDB *cdb;
        const gchar *full_name;
+       SaveData dt;
 
        if (is_in_memory_summary (summary))
                return 0;
@@ -2075,9 +2069,14 @@ save_message_infos_to_db (CamelFolderSummary *summary,
 
        camel_folder_summary_lock (summary);
 
+       dt.summary = summary;
+       dt.full_name = full_name;
+       dt.cdb = cdb;
+       dt.out_error = error;
+
        /* Push MessageInfo-es */
        camel_db_begin_transaction (cdb, NULL);
-       g_hash_table_foreach (summary->priv->loaded_infos, save_to_db_cb, error);
+       g_hash_table_foreach (summary->priv->loaded_infos, save_to_db_cb, &dt);
        camel_db_end_transaction (cdb, NULL);
 
        camel_folder_summary_unlock (summary);
@@ -2355,16 +2354,19 @@ summary_assign_uid (CamelFolderSummary *summary,
  *
  * Adds a new @info record to the summary. If the @force_keep_uid is %FALSE,
  * then a new uid is automatically re-assigned by calling
- * camel_folder_summary_next_uid_string(). It's an error to to use
- * @force_keep_uid whe nthe @info has none set.
+ * camel_folder_summary_next_uid_string(). It's an error to use
+ * @force_keep_uid when the @info has none set.
  *
- * The @summary adds its own reference to @info, if needed.
+ * The @summary adds its own reference to @info, if needed, and any
+ * previously loaded info is replaced with the new one.
  **/
 void
 camel_folder_summary_add (CamelFolderSummary *summary,
                           CamelMessageInfo *info,
                          gboolean force_keep_uid)
 {
+       CamelMessageInfo *loaded_info;
+
        g_return_if_fail (CAMEL_IS_FOLDER_SUMMARY (summary));
 
        if (!info)
@@ -2399,7 +2401,18 @@ camel_folder_summary_add (CamelFolderSummary *summary,
                GUINT_TO_POINTER (camel_message_info_get_flags (info)));
 
        /* Summary always holds a ref for the loaded infos */
-       g_hash_table_insert (summary->priv->loaded_infos, (gpointer) camel_message_info_get_uid (info), 
g_object_ref (info));
+       g_object_ref (info);
+
+       loaded_info = g_hash_table_lookup (summary->priv->loaded_infos, camel_message_info_get_uid (info));
+       if (loaded_info) {
+               /* Dirty hack, to have CamelWeakRefGroup properly cleared,
+                  when the message info leaks due to ref/unref imbalance. */
+               _camel_message_info_unset_summary (loaded_info);
+
+               g_clear_object (&loaded_info);
+       }
+
+       g_hash_table_insert (summary->priv->loaded_infos, (gpointer) camel_message_info_get_uid (info), info);
 
        camel_folder_summary_touch (summary);
 
@@ -2661,12 +2674,7 @@ camel_folder_summary_remove (CamelFolderSummary *summary,
        g_return_val_if_fail (CAMEL_IS_FOLDER_SUMMARY (summary), FALSE);
        g_return_val_if_fail (info != NULL, FALSE);
 
-       if (camel_folder_summary_remove_uid (summary, camel_message_info_get_uid (info))) {
-               g_clear_object (&info);
-               return TRUE;
-       }
-
-       return FALSE;
+       return camel_folder_summary_remove_uid (summary, camel_message_info_get_uid (info));
 }
 
 /**
@@ -2683,6 +2691,7 @@ camel_folder_summary_remove_uid (CamelFolderSummary *summary,
                                  const gchar *uid)
 {
        gpointer ptr_uid = NULL, ptr_flags = NULL;
+       CamelMessageInfo *mi;
        CamelStore *parent_store;
        const gchar *full_name;
        const gchar *uid_copy;
@@ -2701,8 +2710,18 @@ camel_folder_summary_remove_uid (CamelFolderSummary *summary,
 
        uid_copy = camel_pstring_strdup (uid);
        g_hash_table_remove (summary->priv->uids, uid_copy);
+
+       mi = g_hash_table_lookup (summary->priv->loaded_infos, uid_copy);
        g_hash_table_remove (summary->priv->loaded_infos, uid_copy);
 
+       if (mi) {
+               /* Dirty hack, to have CamelWeakRefGroup properly cleared,
+                  when the message info leaks due to ref/unref imbalance. */
+               _camel_message_info_unset_summary (mi);
+
+               g_clear_object (&mi);
+       }
+
        if (!is_in_memory_summary (summary)) {
                full_name = camel_folder_get_full_name (summary->priv->folder);
                parent_store = camel_folder_get_parent_store (summary->priv->folder);
@@ -2756,8 +2775,13 @@ camel_folder_summary_remove_uids (CamelFolderSummary *summary,
                        mi = g_hash_table_lookup (summary->priv->loaded_infos, uid_copy);
                        g_hash_table_remove (summary->priv->loaded_infos, uid_copy);
 
-                       if (mi)
+                       if (mi) {
+                               /* Dirty hack, to have CamelWeakRefGroup properly cleared,
+                                  when the message info leaks due to ref/unref imbalance. */
+                               _camel_message_info_unset_summary (mi);
                                g_clear_object (&mi);
+                       }
+
                        camel_pstring_free (uid_copy);
                }
        }
diff --git a/src/camel/camel-vee-summary.c b/src/camel/camel-vee-summary.c
index e89ee48..80626e8 100644
--- a/src/camel/camel-vee-summary.c
+++ b/src/camel/camel-vee-summary.c
@@ -303,7 +303,6 @@ camel_vee_summary_remove (CamelVeeSummary *summary,
                           const gchar *vuid,
                           CamelFolder *subfolder)
 {
-       CamelMessageInfo *mi;
        GHashTable *vuids;
 
        g_return_if_fail (CAMEL_IS_VEE_SUMMARY (summary));
@@ -319,17 +318,8 @@ camel_vee_summary_remove (CamelVeeSummary *summary,
                        g_hash_table_remove (summary->priv->vuids_by_subfolder, subfolder);
        }
 
-       mi = camel_folder_summary_peek_loaded (CAMEL_FOLDER_SUMMARY (summary), vuid);
-
        camel_folder_summary_remove_uid (CAMEL_FOLDER_SUMMARY (summary), vuid);
 
-       if (mi) {
-               /* unref twice, the first for camel_folder_summary_peek_loaded(),
-                * the second to actually free the mi */
-               g_object_unref (mi);
-               g_clear_object (&mi);
-       }
-
        camel_folder_summary_unlock (CAMEL_FOLDER_SUMMARY (summary));
 }
 


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