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/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/*
* Copyright (C) 1999-2008 Novell, Inc. (www.novell.com)
*
* This library 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.
*
* This library 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 this library. If not, see <http://www.gnu.org/licenses/>.
*
* Authors: Michael Zucchi <notzed@ximian.com>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <sys/stat.h>
#include "camel-db.h"
#include "camel-debug.h"
#include "camel-folder.h"
#include "camel-store.h"
#include "camel-vee-summary.h"
#include "camel-vee-folder.h"
#include "camel-vee-store.h"
#include "camel-vtrash-folder.h"
#include "camel-string-utils.h"
#define d(x)
#define CAMEL_VEE_SUMMARY_GET_PRIVATE(obj) \
(G_TYPE_INSTANCE_GET_PRIVATE \
((obj), CAMEL_TYPE_VEE_SUMMARY, CamelVeeSummaryPrivate))
struct _CamelVeeSummaryPrivate {
/* CamelFolder * => GHashTable * of gchar *vuid */
GHashTable *vuids_by_subfolder;
};
G_DEFINE_TYPE (CamelVeeSummary, camel_vee_summary, CAMEL_TYPE_FOLDER_SUMMARY)
static void
vee_message_info_free (CamelFolderSummary *s,
CamelMessageInfo *info)
{
CamelVeeMessageInfo *mi = (CamelVeeMessageInfo *) info;
g_object_unref (mi->orig_summary);
CAMEL_FOLDER_SUMMARY_CLASS (camel_vee_summary_parent_class)->message_info_free (s, info);
}
static CamelMessageInfo *
vee_message_info_clone (CamelFolderSummary *s,
const CamelMessageInfo *mi)
{
CamelVeeMessageInfo *to;
const CamelVeeMessageInfo *from = (const CamelVeeMessageInfo *) mi;
to = (CamelVeeMessageInfo *) camel_message_info_new (s);
to->orig_summary = g_object_ref (from->orig_summary);
to->info.summary = s;
to->info.uid = camel_pstring_strdup (from->info.uid);
return (CamelMessageInfo *) to;
}
#define HANDLE_NULL_INFO(value) if (!rmi) { d(g_warning (G_STRLOC ": real info is NULL for %s, safeguarding\n", mi->uid)); return value; }
static gconstpointer
vee_info_ptr (const CamelMessageInfo *mi,
gint id)
{
CamelVeeMessageInfo *vmi = (CamelVeeMessageInfo *) mi;
CamelMessageInfo *rmi;
gpointer p;
rmi = camel_folder_summary_get (vmi->orig_summary, mi->uid + 8);
HANDLE_NULL_INFO (NULL);
p = (gpointer) camel_message_info_get_ptr (rmi, id);
camel_message_info_unref (rmi);
return p;
}
static guint32
vee_info_uint32 (const CamelMessageInfo *mi,
gint id)
{
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
guint32 ret;
HANDLE_NULL_INFO (0);
ret = camel_message_info_get_uint32 (rmi, id);
camel_message_info_unref (rmi);
return ret;
}
static time_t
vee_info_time (const CamelMessageInfo *mi,
gint id)
{
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
time_t ret;
HANDLE_NULL_INFO (0);
ret = camel_message_info_get_time (rmi, id);
camel_message_info_unref (rmi);
return ret;
}
static gboolean
vee_info_user_flag (const CamelMessageInfo *mi,
const gchar *id)
{
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
gboolean ret;
HANDLE_NULL_INFO (FALSE);
ret = camel_message_info_get_user_flag (rmi, id);
camel_message_info_unref (rmi);
return ret;
}
static const gchar *
vee_info_user_tag (const CamelMessageInfo *mi,
const gchar *id)
{
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
const gchar *ret;
HANDLE_NULL_INFO ("");
ret = camel_message_info_get_user_tag (rmi, id);
camel_message_info_unref (rmi);
return ret;
}
static void
vee_summary_notify_mi_changed (CamelVeeFolder *vfolder,
CamelMessageInfo *mi)
{
CamelFolderChangeInfo *changes;
g_return_if_fail (vfolder != NULL);
g_return_if_fail (mi != NULL);
changes = camel_folder_change_info_new ();
camel_folder_change_info_change_uid (changes, camel_message_info_get_uid (mi));
camel_folder_changed (CAMEL_FOLDER (vfolder), changes);
camel_folder_change_info_free (changes);
}
static gboolean
vee_info_set_user_flag (CamelMessageInfo *mi,
const gchar *name,
gboolean value)
{
gint res = FALSE;
CamelVeeFolder *vf = (CamelVeeFolder *) camel_folder_summary_get_folder (mi->summary);
if (mi->uid) {
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
gboolean ignore_changes = !CAMEL_IS_VTRASH_FOLDER (vf);
HANDLE_NULL_INFO (FALSE);
/* ignore changes done in the folder itself,
* unless it's a vTrash or vJunk folder */
if (ignore_changes)
camel_vee_folder_ignore_next_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
res = camel_message_info_set_user_flag (rmi, name, value);
if (ignore_changes) {
if (res)
vee_summary_notify_mi_changed (vf, mi);
else
camel_vee_folder_remove_from_ignore_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
}
camel_message_info_unref (rmi);
}
return res;
}
static gboolean
vee_info_set_user_tag (CamelMessageInfo *mi,
const gchar *name,
const gchar *value)
{
gint res = FALSE;
if (mi->uid) {
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
CamelVeeFolder *vf = (CamelVeeFolder *) camel_folder_summary_get_folder (mi->summary);
gboolean ignore_changes = !CAMEL_IS_VTRASH_FOLDER (vf);
HANDLE_NULL_INFO (FALSE);
/* ignore changes done in the folder itself,
* unless it's a vTrash or vJunk folder */
if (ignore_changes)
camel_vee_folder_ignore_next_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
res = camel_message_info_set_user_tag (rmi, name, value);
if (ignore_changes) {
if (res)
vee_summary_notify_mi_changed (vf, mi);
else
camel_vee_folder_remove_from_ignore_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
}
camel_message_info_unref (rmi);
}
return res;
}
static gboolean
vee_info_set_flags (CamelMessageInfo *mi,
guint32 flags,
guint32 set)
{
gint res = FALSE;
CamelVeeFolder *vf = CAMEL_VEE_FOLDER (camel_folder_summary_get_folder (mi->summary));
/* first update original message info... */
if (mi->uid) {
CamelMessageInfo *rmi = camel_folder_summary_get (((CamelVeeMessageInfo *) mi)->orig_summary, mi->uid + 8);
gboolean ignore_changes = !CAMEL_IS_VTRASH_FOLDER (vf);
HANDLE_NULL_INFO (FALSE);
/* ignore changes done in the folder itself,
* unless it's a vTrash or vJunk folder */
if (ignore_changes)
camel_vee_folder_ignore_next_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
res = camel_message_info_set_flags (rmi, flags, set);
if (res) {
/* update flags on itself too */
camel_folder_summary_replace_flags (mi->summary, mi);
}
if (ignore_changes) {
if (res)
vee_summary_notify_mi_changed (vf, mi);
else
camel_vee_folder_remove_from_ignore_changed_event (vf, camel_folder_summary_get_folder (rmi->summary));
}
camel_message_info_unref (rmi);
}
/* Do not call parent class' info_set_flags, to not do flood
* of change notifications, rather wait for a notification
* from original folder, and propagate the change in counts
* through camel_vee_summary_replace_flags().
*/
/*if (res)
CAMEL_FOLDER_SUMMARY_CLASS (camel_vee_summary_parent_class)->info_set_flags (mi, flags, set);*/
return res;
}
static CamelMessageInfo *
message_info_from_uid (CamelFolderSummary *s,
const gchar *uid)
{
CamelMessageInfo *info;
info = camel_folder_summary_peek_loaded (s, uid);
if (!info) {
CamelVeeMessageInfo *vinfo;
CamelFolder *orig_folder;
/* This function isn't really nice. But no great way
* But in vfolder case, this may not be so bad, as vuid has the hash in first 8 bytes.
* So this just compares the entire string only if it belongs to the same folder.
* Otherwise, the first byte itself would return in strcmp, saving the CPU.
*/
if (!camel_folder_summary_check_uid (s, uid)) {
d (
g_message ("Unable to find %s in the summary of %s", uid,
camel_folder_get_full_name (camel_folder_summary_get_folder (s->folder))));
return NULL;
}
/* Create the info and load it, its so easy. */
info = camel_message_info_new (s);
info->dirty = FALSE;
info->uid = camel_pstring_strdup (uid);
orig_folder = camel_vee_folder_get_vee_uid_folder (
(CamelVeeFolder *) camel_folder_summary_get_folder (s), uid);
g_return_val_if_fail (orig_folder != NULL, NULL);
vinfo = (CamelVeeMessageInfo *) info;
vinfo->orig_summary = orig_folder->summary;
g_object_ref (vinfo->orig_summary);
camel_message_info_ref (info);
camel_folder_summary_insert (s, info, FALSE);
}
return info;
}
static void
vee_summary_finalize (GObject *object)
{
CamelVeeSummaryPrivate *priv;
priv = CAMEL_VEE_SUMMARY_GET_PRIVATE (object);
g_hash_table_destroy (priv->vuids_by_subfolder);
/* Chain up to parent's finalize() method. */
G_OBJECT_CLASS (camel_vee_summary_parent_class)->finalize (object);
}
static void
camel_vee_summary_class_init (CamelVeeSummaryClass *class)
{
GObjectClass *object_class;
CamelFolderSummaryClass *folder_summary_class;
g_type_class_add_private (class, sizeof (CamelVeeSummaryPrivate));
object_class = G_OBJECT_CLASS (class);
object_class->finalize = vee_summary_finalize;
folder_summary_class = CAMEL_FOLDER_SUMMARY_CLASS (class);
folder_summary_class->message_info_size = sizeof (CamelVeeMessageInfo);
folder_summary_class->content_info_size = 0;
folder_summary_class->message_info_clone = vee_message_info_clone;
folder_summary_class->message_info_free = vee_message_info_free;
folder_summary_class->info_ptr = vee_info_ptr;
folder_summary_class->info_uint32 = vee_info_uint32;
folder_summary_class->info_time = vee_info_time;
folder_summary_class->info_user_flag = vee_info_user_flag;
folder_summary_class->info_user_tag = vee_info_user_tag;
folder_summary_class->info_set_user_flag = vee_info_set_user_flag;
folder_summary_class->info_set_user_tag = vee_info_set_user_tag;
folder_summary_class->info_set_flags = vee_info_set_flags;
folder_summary_class->message_info_from_uid = message_info_from_uid;
}
static void
camel_vee_summary_init (CamelVeeSummary *vee_summary)
{
vee_summary->priv = CAMEL_VEE_SUMMARY_GET_PRIVATE (vee_summary);
vee_summary->priv->vuids_by_subfolder = g_hash_table_new_full (
(GHashFunc) g_direct_hash,
(GEqualFunc) g_direct_equal,
(GDestroyNotify) NULL,
(GDestroyNotify) g_hash_table_destroy);
}
/**
* camel_vee_summary_new:
* @parent: Folder its attached to.
*
* This will create a new CamelVeeSummary object and read in the
* summary data from disk, if it exists.
*
* Returns: A new CamelVeeSummary object.
**/
CamelFolderSummary *
camel_vee_summary_new (CamelFolder *parent)
{
CamelFolderSummary *summary;
CamelStore *parent_store;
const gchar *full_name;
summary = g_object_new (CAMEL_TYPE_VEE_SUMMARY, "folder", parent, NULL);
summary->flags |= CAMEL_FOLDER_SUMMARY_IN_MEMORY_ONLY;
/* not using DB for vee folder summaries, drop the table */
full_name = camel_folder_get_full_name (parent);
parent_store = camel_folder_get_parent_store (parent);
camel_db_delete_folder (parent_store->cdb_w, full_name, NULL);
return summary;
}
static void
get_uids_for_subfolder (gpointer key,
gpointer value,
gpointer user_data)
{
g_hash_table_insert (user_data, (gpointer) camel_pstring_strdup (key), GINT_TO_POINTER (1));
}
/**
* camel_vee_summary_get_uids_for_subfolder:
*
* FIXME Document me!
*
* Returns: (element-type utf8 utf8) (transfer container):
*
* Since: 3.6
**/
GHashTable *
camel_vee_summary_get_uids_for_subfolder (CamelVeeSummary *summary,
CamelFolder *subfolder)
{
GHashTable *vuids, *known_uids;
g_return_val_if_fail (CAMEL_IS_VEE_SUMMARY (summary), NULL);
g_return_val_if_fail (CAMEL_IS_FOLDER (subfolder), NULL);
camel_folder_summary_lock (&summary->summary);
/* uses direct hash, because strings are supposed to be from the string pool */
known_uids = g_hash_table_new_full (g_direct_hash, g_direct_equal, (GDestroyNotify) camel_pstring_free, NULL);
vuids = g_hash_table_lookup (summary->priv->vuids_by_subfolder, subfolder);
if (vuids) {
g_hash_table_foreach (vuids, get_uids_for_subfolder, known_uids);
}
camel_folder_summary_unlock (&summary->summary);
return known_uids;
}
/* unref returned pointer with camel_message_info_unref() */
CamelVeeMessageInfo *
camel_vee_summary_add (CamelVeeSummary *s,
CamelVeeMessageInfoData *mi_data)
{
CamelVeeMessageInfo *vmi;
const gchar *vuid;
CamelVeeSubfolderData *sf_data;
CamelFolder *orig_folder;
GHashTable *vuids;
g_return_val_if_fail (CAMEL_IS_VEE_SUMMARY (s), NULL);
g_return_val_if_fail (CAMEL_IS_VEE_MESSAGE_INFO_DATA (mi_data), NULL);
camel_folder_summary_lock (&s->summary);
sf_data = camel_vee_message_info_data_get_subfolder_data (mi_data);
vuid = camel_vee_message_info_data_get_vee_message_uid (mi_data);
orig_folder = camel_vee_subfolder_data_get_folder (sf_data);
vmi = (CamelVeeMessageInfo *) camel_folder_summary_peek_loaded (&s->summary, vuid);
if (vmi) {
/* Possible that the entry is loaded, see if it has the summary */
d (g_message ("%s - already there\n", vuid));
if (!vmi->orig_summary)
vmi->orig_summary = g_object_ref (orig_folder->summary);
camel_folder_summary_unlock (&s->summary);
return vmi;
}
vmi = (CamelVeeMessageInfo *) camel_message_info_new (&s->summary);
vmi->orig_summary = g_object_ref (orig_folder->summary);
vmi->info.uid = (gchar *) camel_pstring_strdup (vuid);
camel_message_info_ref (vmi);
vuids = g_hash_table_lookup (s->priv->vuids_by_subfolder, orig_folder);
if (vuids) {
g_hash_table_insert (vuids, (gpointer) camel_pstring_strdup (vuid), GINT_TO_POINTER (1));
} else {
vuids = g_hash_table_new_full (g_direct_hash, g_direct_equal, (GDestroyNotify) camel_pstring_free, NULL);
g_hash_table_insert (vuids, (gpointer) camel_pstring_strdup (vuid), GINT_TO_POINTER (1));
g_hash_table_insert (s->priv->vuids_by_subfolder, orig_folder, vuids);
}
camel_folder_summary_insert (&s->summary, (CamelMessageInfo *) vmi, FALSE);
camel_folder_summary_unlock (&s->summary);
return vmi;
}
/**
* camel_vee_summary_remove:
*
* FIXME Document me!
*
* Since: 3.6
**/
void
camel_vee_summary_remove (CamelVeeSummary *summary,
const gchar *vuid,
CamelFolder *subfolder)
{
CamelMessageInfo *mi;
GHashTable *vuids;
g_return_if_fail (CAMEL_IS_VEE_SUMMARY (summary));
g_return_if_fail (vuid != NULL);
g_return_if_fail (subfolder != NULL);
camel_folder_summary_lock (&summary->summary);
vuids = g_hash_table_lookup (summary->priv->vuids_by_subfolder, subfolder);
if (vuids) {
g_hash_table_remove (vuids, vuid);
if (!g_hash_table_size (vuids))
g_hash_table_remove (summary->priv->vuids_by_subfolder, subfolder);
}
mi = camel_folder_summary_peek_loaded (&summary->summary, vuid);
camel_folder_summary_remove_uid (&summary->summary, vuid);
if (mi) {
/* under twice, the first for camel_folder_summary_peek_loaded(),
* the second to actually free the mi */
camel_message_info_unref (mi);
camel_message_info_unref (mi);
}
camel_folder_summary_unlock (&summary->summary);
}
/**
* camel_vee_summary_replace_flags:
* @summary: a #CamelVeeSummary
* @uid: a message UID to update flags for
*
* Makes sure @summary flags on @uid corresponds to those
* in the subfolder of vee-folder, and updates internal counts
* on @summary as well.
*
* Since: 3.6
**/
void
camel_vee_summary_replace_flags (CamelVeeSummary *summary,
const gchar *uid)
{
CamelMessageInfo *mi;
g_return_if_fail (CAMEL_IS_VEE_SUMMARY (summary));
g_return_if_fail (uid != NULL);
camel_folder_summary_lock (&summary->summary);
mi = camel_folder_summary_get (&summary->summary, uid);
if (!mi) {
camel_folder_summary_unlock (&summary->summary);
return;
}
camel_folder_summary_replace_flags (&summary->summary, mi);
camel_message_info_unref (mi);
camel_folder_summary_unlock (&summary->summary);
}
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