/*
* Copyright (C) 2000 Helix Code Inc.
*
* Authors: Michael Zucchi <notzed@helixcode.com>
* Jeffrey Stedfast <fejj@helixcode.com>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include "camel-exception.h"
#include "camel-vee-folder.h"
#include "camel-folder-summary.h"
#include "camel-mime-message.h"
#include <string.h>
/* our message info includes the parent folder */
typedef struct _CamelVeeMessageInfo {
CamelMessageInfo info;
CamelFolder *folder;
} CamelVeeMessageInfo;
struct _CamelVeeFolderPrivate {
GList *folders;
};
#define _PRIVATE(o) (((CamelVeeFolder *)(o))->priv)
static void vee_init (CamelFolder *folder, CamelStore *parent_store,
CamelFolder *parent_folder, const gchar *name,
gchar *separator, gboolean path_begins_with_sep,
CamelException *ex);
static void vee_sync (CamelFolder *folder, gboolean expunge, CamelException *ex);
static GPtrArray *vee_get_uids (CamelFolder *folder);
GPtrArray *vee_get_summary (CamelFolder *folder);
static gint vee_get_message_count (CamelFolder *folder);
static gint vee_get_unread_message_count (CamelFolder *folder);
static CamelMimeMessage *vee_get_message (CamelFolder *folder, const gchar *uid, CamelException *ex);
static const CamelMessageInfo *vee_get_message_info (CamelFolder *folder, const char *uid);
static GPtrArray *vee_search_by_expression(CamelFolder *folder, const char *expression, CamelException *ex);
static guint32 vee_get_message_flags (CamelFolder *folder, const char *uid);
static void vee_set_message_flags (CamelFolder *folder, const char *uid, guint32 flags, guint32 set);
static gboolean vee_get_message_user_flag (CamelFolder *folder, const char *uid, const char *name);
static void vee_set_message_user_flag (CamelFolder *folder, const char *uid, const char *name, gboolean value);
static void camel_vee_folder_class_init (CamelVeeFolderClass *klass);
static void camel_vee_folder_init (CamelVeeFolder *obj);
static void camel_vee_folder_finalise (CamelObject *obj);
static void vee_folder_build(CamelVeeFolder *vf, CamelException *ex);
static void vee_folder_build_folder(CamelVeeFolder *vf, CamelFolder *source, CamelException *ex);
static CamelFolderClass *camel_vee_folder_parent;
CamelType
camel_vee_folder_get_type (void)
{
static CamelType type = CAMEL_INVALID_TYPE;
if (type == CAMEL_INVALID_TYPE) {
type = camel_type_register (camel_folder_get_type (), "CamelVeeFolder",
sizeof (CamelVeeFolder),
sizeof (CamelVeeFolderClass),
(CamelObjectClassInitFunc) camel_vee_folder_class_init,
NULL,
(CamelObjectInitFunc) camel_vee_folder_init,
(CamelObjectFinalizeFunc) camel_vee_folder_finalise);
}
return type;
}
static void
camel_vee_folder_class_init (CamelVeeFolderClass *klass)
{
CamelFolderClass *folder_class = (CamelFolderClass *) klass;
camel_vee_folder_parent = CAMEL_FOLDER_CLASS(camel_type_get_global_classfuncs (camel_folder_get_type ()));
folder_class->init = vee_init;
folder_class->sync = vee_sync;
folder_class->get_uids = vee_get_uids;
folder_class->free_uids = camel_folder_free_deep;
folder_class->get_summary = vee_get_summary;
folder_class->free_summary = camel_folder_free_nop;
folder_class->get_message = vee_get_message;
folder_class->get_message_info = vee_get_message_info;
folder_class->get_message_count = vee_get_message_count;
folder_class->get_unread_message_count = vee_get_unread_message_count;
folder_class->search_by_expression = vee_search_by_expression;
folder_class->get_message_flags = vee_get_message_flags;
folder_class->set_message_flags = vee_set_message_flags;
folder_class->get_message_user_flag = vee_get_message_user_flag;
folder_class->set_message_user_flag = vee_set_message_user_flag;
}
static void
camel_vee_folder_init (CamelVeeFolder *obj)
{
struct _CamelVeeFolderPrivate *p;
p = _PRIVATE(obj) = g_malloc0(sizeof(*p));
}
static void
camel_vee_folder_finalise (CamelObject *obj)
{
CamelVeeFolder *vf = (CamelVeeFolder *)obj;
struct _CamelVeeFolderPrivate *p = _PRIVATE(vf);
GList *node;
node = p->folders;
while (node) {
CamelFolder *f = node->data;
camel_object_unref((CamelObject *)f);
node = g_list_next(node);
}
}
/**
* camel_vee_folder_new:
*
* Create a new CamelVeeFolder object.
*
* Return value: A new CamelVeeFolder widget.
**/
CamelVeeFolder *
camel_vee_folder_new (void)
{
CamelVeeFolder *new = CAMEL_VEE_FOLDER ( camel_object_new (camel_vee_folder_get_type ()));
return new;
}
static void
folder_changed(CamelFolder *sub, gpointer type, CamelVeeFolder *vf)
{
CamelException *ex;
ex = camel_exception_new();
vee_folder_build_folder(vf, sub, ex);
camel_exception_free(ex);
/* FIXME: should only raise follow-on event if the result changed */
camel_object_trigger_event( CAMEL_OBJECT(vf), "folder_changed", GINT_TO_POINTER(0));
}
/* track flag changes in the summary */
static void
message_changed(CamelFolder *f, const char *uid, CamelVeeFolder *mf)
{
const CamelMessageInfo *info;
CamelMessageInfo *vinfo;
CamelFlag *flag;
char *vuid;
info = camel_folder_get_message_info(f, uid);
vuid = g_strdup_printf("%p:%s", f, uid);
vinfo = (CamelMessageInfo *)vee_get_message_info((CamelFolder *)mf, vuid);
if (info && vinfo) {
vinfo->flags = info->flags;
camel_flag_list_free(&vinfo->user_flags);
flag = info->user_flags;
while (flag) {
camel_flag_set(&vinfo->user_flags, flag->name, TRUE);
flag = flag->next;
}
camel_object_trigger_event( CAMEL_OBJECT(mf), "message_changed", vinfo->uid);
}
g_free(vuid);
}
void
camel_vee_folder_add_folder(CamelVeeFolder *vf, CamelFolder *sub)
{
struct _CamelVeeFolderPrivate *p = _PRIVATE(vf);
CamelException *ex;
camel_object_ref((CamelObject *)sub);
p->folders = g_list_append(p->folders, sub);
camel_object_hook_event ((CamelObject *)sub, "folder_changed", (CamelObjectEventHookFunc) folder_changed, vf);
camel_object_hook_event ((CamelObject *)sub, "message_changed", (CamelObjectEventHookFunc) message_changed, vf);
ex = camel_exception_new();
vee_folder_build_folder(vf, sub, ex);
camel_exception_free(ex);
/* FIXME: should only raise follow-on event if the result changed */
camel_object_trigger_event( CAMEL_OBJECT(vf), "folder_changed", GINT_TO_POINTER(0));
}
static void vee_init (CamelFolder *folder, CamelStore *parent_store,
CamelFolder *parent_folder, const gchar *name,
gchar *separator, gboolean path_begins_with_sep,
CamelException *ex)
{
CamelVeeFolder *vf = (CamelVeeFolder *)folder;
char *namepart, *searchpart;
namepart = g_strdup(name);
searchpart = strchr(namepart, '?');
if (searchpart == NULL) {
/* no search, no result! */
searchpart = "(body-contains \"=some-invalid_string-sequence=xx\")";
} else {
*searchpart++ = 0;
}
camel_vee_folder_parent->init (folder, parent_store, parent_folder, name, separator, TRUE, ex);
if (camel_exception_get_id (ex))
return;
folder->can_hold_messages = TRUE;
folder->can_hold_folders = FALSE;
folder->has_summary_capability = TRUE;
folder->has_search_capability = TRUE;
/* FIXME: what to do about user flags if the subfolder doesn't support them? */
folder->permanent_flags = CAMEL_MESSAGE_ANSWERED |
CAMEL_MESSAGE_DELETED |
CAMEL_MESSAGE_DRAFT |
CAMEL_MESSAGE_FLAGGED |
CAMEL_MESSAGE_SEEN;
vf->messages = g_ptr_array_new();
vf->messages_uid = g_hash_table_new(g_str_hash, g_str_equal);
vf->expression = g_strdup_printf("(or\n (match-all (user-flag \"%s\"))\n %s\n)", namepart, searchpart);
vf->vname = g_strdup(namepart);
g_free(namepart);
vee_folder_build(vf, ex);
}
static void
vee_sync (CamelFolder *folder, gboolean expunge, CamelException *ex)
{
;
}
static gint vee_get_message_count (CamelFolder *folder)
{
CamelVeeFolder *vf = (CamelVeeFolder *)folder;
return vf->messages->len;
}
static gint
vee_get_unread_message_count (CamelFolder *folder)
{
CamelVeeFolder *vee_folder = CAMEL_VEE_FOLDER (folder);
CamelMessageInfo *info;
GPtrArray *infolist;
gint i, count = 0;
g_return_val_if_fail (folder != NULL, -1);
infolist = vee_folder->messages;
for (i = 0; i < infolist->len; i++) {
info = (CamelMessageInfo *) g_ptr_array_index (infolist, i);
if (!(info->flags & CAMEL_MESSAGE_SEEN))
count++;
}
return count;
}
static gboolean
get_real_message(CamelFolder *folder, const char *uid, CamelFolder **out_folder, const char **out_uid)
{
CamelVeeMessageInfo *mi;
mi = (CamelVeeMessageInfo *)vee_get_message_info(folder, uid);
g_return_val_if_fail(mi != NULL, FALSE);
*out_folder = mi->folder;
*out_uid = strchr(mi->info.uid, ':')+1;
return TRUE;
}
static CamelMimeMessage *vee_get_message(CamelFolder *folder, const gchar *uid, CamelException *ex)
{
const char *real_uid;
CamelFolder *real_folder;
if (!get_real_message(folder, uid, &real_folder, &real_uid)) {
camel_exception_setv(ex, CAMEL_EXCEPTION_FOLDER_INVALID_UID,
"No such message %s in %s", uid,
folder->name);
return NULL;
}
return camel_folder_get_message (real_folder, real_uid, ex);
}
GPtrArray *vee_get_summary(CamelFolder *folder)
{
CamelVeeFolder *vf = (CamelVeeFolder *)folder;
return vf->messages;
}
static const CamelMessageInfo *vee_get_message_info(CamelFolder *f, const char *uid)
{
CamelVeeFolder *vf = (CamelVeeFolder *)f;
return g_hash_table_lookup(vf->messages_uid, uid);
}
static GPtrArray *vee_get_uids (CamelFolder *folder)
{
GPtrArray *result;
int i;
CamelVeeFolder *vf = (CamelVeeFolder *)folder;
result = g_ptr_array_new ();
g_ptr_array_set_size (result, vf->messages->len);
for (i=0;i<vf->messages->len;i++) {
CamelMessageInfo *mi = g_ptr_array_index(vf->messages, i);
result->pdata[i] = g_strdup(mi->uid);
}
return result;
}
static GPtrArray *
vee_search_by_expression(CamelFolder *folder, const char *expression, CamelException *ex)
{
GList *node;
GPtrArray *matches, *result = g_ptr_array_new ();
char *expr;
CamelVeeFolder *vf = (CamelVeeFolder *)folder;
struct _CamelVeeFolderPrivate *p = _PRIVATE(vf);
expr = g_strdup_printf("(and %s %s)", vf->expression, expression);
node = p->folders;
while (node) {
CamelFolder *f = node->data;
int i;
matches = camel_folder_search_by_expression(f, expression, ex);
for (i = 0; i < matches->len; i++) {
char *uid = matches->pdata[i];
g_ptr_array_add(result, g_strdup_printf("%p:%s", f, uid));
}
camel_folder_search_free(f, matches);
node = g_list_next(node);
}
return result;
}
static guint32
vee_get_message_flags(CamelFolder *folder, const char *uid)
{
const char *real_uid;
CamelFolder *real_folder;
if (!get_real_message (folder, uid, &real_folder, &real_uid))
return 0;
return camel_folder_get_message_flags(real_folder, real_uid);
}
static void
vee_set_message_flags(CamelFolder *folder, const char *uid, guint32 flags, guint32 set)
{
const char *real_uid;
CamelFolder *real_folder;
if (!get_real_message(folder, uid, &real_folder, &real_uid))
return;
camel_folder_set_message_flags(real_folder, real_uid, flags, set);
}
static gboolean
vee_get_message_user_flag(CamelFolder *folder, const char *uid, const char *name)
{
const char *real_uid;
CamelFolder *real_folder;
if (!get_real_message(folder, uid, &real_folder, &real_uid))
return FALSE;
return camel_folder_get_message_user_flag(real_folder, real_uid, name);
}
static void
vee_set_message_user_flag(CamelFolder *folder, const char *uid,
const char *name, gboolean value)
{
const char *real_uid;
CamelFolder *real_folder;
if (!get_real_message(folder, uid, &real_folder, &real_uid))
return;
return camel_folder_set_message_user_flag(real_folder, real_uid, name, value);
}
/*
need incremental update, based on folder.
Need to watch folders for changes and update accordingly.
*/
/* this does most of the vfolder magic */
static void
vee_folder_build(CamelVeeFolder *vf, CamelException *ex)
{
struct _CamelVeeFolderPrivate *p = _PRIVATE(vf);
GList *node;
int i;
GPtrArray *messages;
GHashTable *messages_uid;
for (i=0;i<vf->messages->len;i++) {
CamelMessageInfo *mi = g_ptr_array_index(vf->messages, i);
camel_message_info_free(mi);
}
messages = g_ptr_array_new();
messages_uid = g_hash_table_new(g_str_hash, g_str_equal);
node = p->folders;
while (node) {
GPtrArray *matches;
CamelFolder *f = node->data;
CamelVeeMessageInfo *mi;
const CamelMessageInfo *info;
int i;
matches = camel_folder_search_by_expression(f, vf->expression, ex);
for (i = 0; i < matches->len; i++) {
info = camel_folder_get_message_info(f, matches->pdata[i]);
if (info) {
mi = g_malloc0(sizeof(*mi));
camel_message_info_dup_to(info, (CamelMessageInfo *)mi);
g_free (mi->info.uid);
mi->info.uid = g_strdup_printf("%p:%s", f, info->uid);
mi->folder = f;
g_ptr_array_add(messages, mi);
g_hash_table_insert(messages_uid, mi->info.uid, mi);
}
}
camel_folder_search_free(f, matches);
node = g_list_next(node);
}
g_ptr_array_free(vf->messages, TRUE);
vf->messages = messages;
g_hash_table_destroy(vf->messages_uid);
vf->messages_uid = messages_uid;
}
/* build query contents for a single folder */
static void
vee_folder_build_folder(CamelVeeFolder *vf, CamelFolder *source, CamelException *ex)
{
GPtrArray *matches;
CamelFolder *f = source;
CamelVeeMessageInfo *mi;
const CamelMessageInfo *info;
GPtrArray *messages;
GHashTable *messages_uid;
int i;
for (i=0;i<vf->messages->len;i++) {
CamelVeeMessageInfo *mi = g_ptr_array_index(vf->messages, i);
if (mi->folder == source) {
g_hash_table_remove(vf->messages_uid, mi->info.uid);
g_ptr_array_remove_index_fast(vf->messages, i);
camel_message_info_free((CamelMessageInfo *)mi);
i--;
}
}
messages = vf->messages;
messages_uid = vf->messages_uid;
matches = camel_folder_search_by_expression(f, vf->expression, ex);
for (i = 0; i < matches->len; i++) {
info = camel_folder_get_message_info(f, matches->pdata[i]);
if (info) {
mi = g_malloc0(sizeof(*mi));
camel_message_info_dup_to(info, (CamelMessageInfo*)mi);
g_free (mi->info.uid);
mi->info.uid = g_strdup_printf("%p:%s", f, info->uid);
mi->folder = f;
g_ptr_array_add(messages, mi);
g_hash_table_insert(messages_uid, mi->info.uid, mi);
}
}
camel_folder_search_free(f, matches);
}
/*
(match-folder "folder1" "folder2")
*/
