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|
/* Time-stamp: <2008-07-06 10:38:05 jcs>
|
| Copyright (C) 2002-2005 Jorg Schuler <jcsjcs at users sourceforge net>
| Part of the gtkpod project.
|
| URL: http://www.gtkpod.org/
| URL: http://gtkpod.sourceforge.net/
|
| 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
|
| iTunes and iPod are trademarks of Apple
|
| This product is not supported/written/published by Apple!
|
| $Id$
*/
/* This file provides functions for syncing a directory or directories
* with a playlist */
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <unistd.h>
#include <glib/gi18n-lib.h>
#include "gp_itdb.h"
#include "file.h"
#include "misc.h"
#include "misc_track.h"
#include "prefs.h"
#include "syncdir.h"
#include "filetype_iface.h"
struct add_files_data {
Playlist *playlist;
GList **tracks_updated;
GHashTable *filepath_hash;
};
/* Used in the callback after adding a new track to
* to add to the filehash */
struct added_file_data {
GHashTable *filepath_hash;
gchar *filepath;
};
/**
* confirm_sync_dirs:
*
* @dirs_hash: hash table containing the directory names
* @key_sync_confirm_dirs: preference key to specify whether or not
* the list of directories should be confirmed. The
* confirmation dialog may change the value of this prefs
* entry. If NULL confirmation takes place.
*
* Have the user confirm which directories should be included into the
* confirmation process.
*
* Return value: FALSE: user aborted. TRUE: otherwise. @dirs_hash will
* be adjusted to reflect the selected directories.
*/
static gboolean confirm_sync_dirs(GHashTable *dirs_hash, const gchar *key_sync_confirm_dirs) {
g_return_val_if_fail (dirs_hash, FALSE);
if (key_sync_confirm_dirs && !prefs_get_int(key_sync_confirm_dirs))
return TRUE;
/* FIXME: implement confirmation (doesn't strike me as a major
* feature -- feel free to contribute)
*
* The idea would be to have the user check/uncheck each of the
* individual directories. @dirs_hash will be adjusted to reflect
* the selected directories.
*/
return TRUE;
}
/**
* confirm_delete_tracks:
*
* @tracks: GList with tracks that are supposed to be removed from the
* iPod or the local repository.
* @key_sync_confirm_delete: preference key to specify whether or not
* the removal of tracks should be confirmed. The
* confirmation dialog may change the value of this prefs
* entry. If NULL confirmation takes place.
*
* Return value: TRUE: it's OK to remove the tracks. FALSE: it's not
* OK to remove the tracks. TRUE is also given if no
* tracks are present, @key_sync_confirm_delete is NULL
* or it's setting is 'FALSE' (0).
*/
static gboolean confirm_delete_tracks(GList *tracks, const gchar *key_sync_confirm_delete) {
GtkResponseType response;
struct DeleteData dd;
gchar *label, *title;
GString *string;
iTunesDB *itdb;
Track *tr;
if (tracks == NULL)
return TRUE;
if (key_sync_confirm_delete && !prefs_get_int(key_sync_confirm_delete))
return TRUE;
tr = g_list_nth_data(tracks, 0);
g_return_val_if_fail (tr, FALSE);
itdb = tr->itdb;
g_return_val_if_fail (itdb, FALSE);
dd.itdb = itdb;
dd.pl = NULL;
dd.tracks = tracks;
if (itdb->usertype & GP_ITDB_TYPE_IPOD)
dd.deleteaction = DELETE_ACTION_IPOD;
if (itdb->usertype & GP_ITDB_TYPE_LOCAL)
dd.deleteaction = DELETE_ACTION_DATABASE;
delete_populate_settings(&dd, &label, &title, NULL, NULL, &string);
response = gtkpod_confirmation(-1, /* gint id, */
TRUE, /* gboolean modal, */
title, /* title */
label, /* label */
string->str, /* scrolled text */
NULL, 0, NULL, /* option 1 */
NULL, 0, NULL, /* option 2 */
TRUE, /* gboolean confirm_again, */
key_sync_confirm_delete, /* ConfHandlerOpt confirm_again_key,*/
CONF_NULL_HANDLER, /* ConfHandler ok_handler,*/
NULL, /* don't show "Apply" button */
CONF_NULL_HANDLER, /* cancel_handler,*/
NULL, /* gpointer user_data1,*/
NULL); /* gpointer user_data2,*/
g_free(label);
g_free(title);
g_string_free(string, TRUE);
if (response == GTK_RESPONSE_OK) {
/* it's OK to remove the tracks */
return TRUE;
}
else {
/* better not delete the tracks */
return FALSE;
}
}
/* Used by sync_show_summary() */
static void sync_add_tracks(GString *str, GList *tracks, const gchar *title) {
GList *gl;
g_return_if_fail (str);
g_return_if_fail (title);
if (tracks) {
g_string_append(str, title);
for (gl = tracks; gl; gl = gl->next) {
gchar *buf;
Track *tr = gl->data;
g_return_if_fail (tr);
buf = get_track_info(tr, FALSE);
g_string_append_printf(str, "%s\n", buf);
g_free(buf);
}
g_string_append_printf(str, "\n\n");
}
}
/**
* sync_show_summary:
*
* @key_sync_show_summary: preference key to specify whether or not a
* summary should be shown or not. If NULL, the summary is
* shown. This key may be changed by the confirmation dialog.
* @playlist: playlist where are syncing with.
* @tracks_to_delete_from_ipod: GList with tracks to be deleted from
* the iPod or local repository.
* @tracks_to_delete_from_playlist: GList with tracks to be deleted
* from @playlist.
* @tracks_updated: GList with tracks that have been updated.
*/
static void show_sync_summary(const gchar *key_sync_show_summary, Playlist *playlist, GList *tracks_to_delete_from_ipod, GList *tracks_to_delete_from_playlist, GList *tracks_updated) {
GString *summary;
Playlist *mpl;
gint no_length;
g_return_if_fail (playlist);
g_return_if_fail (playlist->itdb);
if (key_sync_show_summary && !prefs_get_int(key_sync_show_summary))
return;
summary = g_string_sized_new(2000);
/* mpl->name is the repository's name */
mpl = itdb_playlist_mpl(playlist->itdb);
g_return_if_fail (mpl);
g_string_append_printf(summary, _("Sync summary for %s/%s\n"), mpl->name, playlist->name);
/* used to check whether data was added or not */
no_length = strlen(summary->str);
sync_add_tracks(summary, tracks_updated, ngettext ("The following track has been added or updated:\n",
"The following tracks have been added or updated:\n",
g_list_length (tracks_updated)));
if (playlist->itdb->usertype & GP_ITDB_TYPE_IPOD) {
sync_add_tracks(summary, tracks_to_delete_from_ipod, ngettext ("The following track has been completely removed from the iPod:\n",
"The following tracks have been completely removed from the iPod:\n",
g_list_length (tracks_to_delete_from_ipod)));
}
else {
sync_add_tracks(summary, tracks_to_delete_from_ipod, ngettext ("The following track has been removed from the repository:\n",
"The following tracks have been removed from the repository:\n",
g_list_length (tracks_to_delete_from_ipod)));
}
sync_add_tracks(summary, tracks_to_delete_from_playlist, ngettext ("The following track has been removed from the playlist:\n",
"The following tracks have been removed from the playlist:\n",
g_list_length (tracks_to_delete_from_playlist)));
if (strlen(summary->str) == no_length) {
g_string_append(summary, _("Nothing was changed.\n"));
}
gtkpod_confirmation(CONF_ID_SYNC_SUMMARY, FALSE, _("Sync summary"), NULL, summary->str, NULL, 0, NULL, NULL, 0, NULL, TRUE, key_sync_show_summary, CONF_NULL_HANDLER, NULL, NULL, NULL, NULL);
g_string_free(summary, TRUE);
}
/* Callback for adding tracks (makes sure track isn't added to playlist
* again if it already exists */
static void sync_addtrackfunc(Playlist *plitem, Track *track, gpointer data) {
struct added_file_data *afd = data;
g_return_if_fail (plitem);
g_return_if_fail (track);
g_return_if_fail (afd->filepath_hash);
g_return_if_fail (afd->filepath);
/* add the new entry to the filepath */
g_hash_table_insert(afd->filepath_hash, g_strdup(afd->filepath), track);
/* only add if @track isn't already a member of the current playlist */
if (!itdb_playlist_contains_track(plitem, track))
gp_playlist_add_track(plitem, track, TRUE);
}
/* Builds a hash of all the tracks in the playlists db,
* hashed by the file path */
static GHashTable *get_itdb_filepath_hash(Playlist *pl) {
GHashTable* filepath_hash;
iTunesDB *itdb = pl->itdb;
filepath_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, NULL);
GList *gl;
for (gl = itdb->tracks; gl; gl = gl->next) {
ExtraTrackData *etr;
Track *track = gl->data;
g_return_val_if_fail (track, NULL);
etr = track->userdata;
g_return_val_if_fail (etr, NULL);
/* track has filename info */
if (etr->pc_path_locale && *etr->pc_path_locale) {
g_hash_table_insert(filepath_hash, g_strdup(etr->pc_path_locale), track);
}
}
return filepath_hash;
}
/**
* add_files:
*
* add all music/video files to the playlist @userdata->playlist.
* updated/newly added tracks are appended to @userdata->tracks_updated.
*/
static void add_files(gpointer key, gpointer value, gpointer user_data) {
struct add_files_data *afd = user_data;
Playlist *pl;
gchar *dirname;
g_return_if_fail (key);
g_return_if_fail (afd);
g_return_if_fail (afd->playlist);
g_return_if_fail (afd->tracks_updated);
g_return_if_fail (afd->filepath_hash);
dirname = key;
pl = afd->playlist;
if (g_file_test(dirname, G_FILE_TEST_IS_DIR)) {
GDir *dir = g_dir_open(dirname, 0, NULL);
if (dir != NULL) {
const gchar *next;
while ((next = g_dir_read_name(dir))) {
gchar *filename = g_build_filename(dirname, next, NULL);
FileType *filetype = determine_filetype(filename);
gboolean updated = FALSE;
Track *tr = NULL;
if (filetype_is_audio_filetype(filetype) || filetype_is_video_filetype(filetype)) {
tr = g_hash_table_lookup(afd->filepath_hash, filename);
if (tr) { /* track is already present in playlist.
Update if date stamp is different. */
struct stat filestat;
ExtraTrackData *etr = tr->userdata;
g_return_if_fail (etr);
stat(filename, &filestat);
/*
printf ("%ld %ld (%s)\n, %ld %d\n",
filestat.st_mtime, etr->mtime,
filename,
filestat.st_size, tr->size);
*/
if ((filestat.st_mtime != etr->mtime) || (filestat.st_size != tr->size)) {
update_track_from_file(pl->itdb, tr);
updated = TRUE;
}
}
else { /* track is not known -- at least not by it's
* filename -> add to playlist using the
* standard function. Duplicate adding is
* avoided by an addtrack function checking
* for duplication */
struct added_file_data data;
data.filepath = filename;
data.filepath_hash = afd->filepath_hash;
add_track_by_filename(pl->itdb, filename, pl, FALSE, sync_addtrackfunc, &data, NULL);
tr = g_hash_table_lookup(afd->filepath_hash, filename);
updated = TRUE;
}
}
if (tr && updated) {
*afd->tracks_updated = g_list_append(*afd->tracks_updated, tr);
}
g_free(filename);
}
}
g_dir_close(dir);
}
}
/**
* cache_directory:
*
* Add the given directory to the given hash table then recurse into the directory
* and add all its sub-directories.
*
* @dir: top-level directory to recurse into and store subdirectories
* @dirs_hash: pointer to a hash table that stores all directory paths
*
* Return value: none, dirs_hash stores all required paths
*
**/
static void cache_directory(const gchar *dir, GHashTable *dirs_hash) {
GDir *dir_handle;
const gchar *filename;
gchar *path;
if (!g_file_test(dir, G_FILE_TEST_IS_DIR))
return;
/* dir represents a directory so store it in the hash table */
g_hash_table_insert(dirs_hash, g_strdup(dir), NULL);
dir_handle = g_dir_open(dir, 0, NULL);
if (dir_handle == NULL)
return;
/* Loop through the filenames in the directory */
while ((filename = g_dir_read_name(dir_handle))) {
/* Construct absolute path from dir and filename */
path = g_build_filename(dir, filename, NULL);
/* If path is not directory then move on to next */
if (!g_file_test(path, G_FILE_TEST_IS_DIR))
continue;
/* recursively walk down into sub directory */
cache_directory(path, dirs_hash);
g_free(path);
}
g_dir_close(dir_handle);
}
/**
* sync_playlist:
*
* @playlist: playlist to sync with contents on hard disk
* @syncdir: directory to sync with. If @syncdir is NULL, a list of
* directories is created from all the filenames of the
* member tracks
* @key_sync_confirm_dirs: preference key to specify whether or not
* the list of directories should be confirmed. The
* confirmation dialog may change the value of this prefs
* entry. If NULL, @sync_confirm_dirs decides whether
* confirmation takes place or not.
* FIXME: not implemented at present.
* @sync_confirm_dirs: see under @key_sync_confirm_dirs.
* @key_sync_delete_tracks: preference key to specify whether or not
* tracks no longer present in the directory list should be
* removed from the iPod/database or not. Normally tracks
* are only removed from the current playlist. If this key's
* value is set to TRUE (1), they will be removed from the
* iPod /database completely, if they are not a member of
* other playlists. Note: to remove tracks from the MPL,
* this has to be TRUE.
* If NULL, @sync_delete_tracks will determine whether
* tracks are removed or not. Also, if @playlist is the
* MPL, tracks will be removed irrespective of this key's
* value.
* @sync_delete_tracks: see under @key_sync_delete_tracks.
* @key_sync_confirm_delete: preference key to specify whether or not
* the removal of tracks should be confirmed. The
* confirmation dialog may change the value of this prefs
* entry. If NULL, @sync_confirm_delete will determine
* whether or not confirmation takes place.
* @sync_confirm_delete: see under @key_sync_confirm_delete
* @key_sync_show_summary: preference key to specify whether or not a
* summary of removed and newly added or updated tracks
* should be displayed. If NULL, @sync_show_shummary will
* determine whether or not a summary is displayed.
* @sync_show_shummary: see under @key_sync_show_shummary
*
* Return value: none, but will give status information via the
* statusbar and information windows.
**/
void sync_playlist(Playlist *playlist, const gchar *syncdir, const gchar *key_sync_confirm_dirs, gboolean sync_confirm_dirs, const gchar *key_sync_delete_tracks, gboolean sync_delete_tracks, const gchar *key_sync_confirm_delete, gboolean sync_confirm_delete, const gchar *key_sync_show_summary, gboolean sync_show_summary) {
GHashTable *dirs_hash, *filepath_hash;
gboolean delete_tracks, is_mpl;
GList *tracks_to_delete_from_ipod = NULL;
GList *tracks_to_delete_from_playlist = NULL;
GList *tracks_updated = NULL;
struct add_files_data afd;
GList *gl;
g_return_if_fail (playlist);
/* Create a hash to keep the directory names ("key", and "value"
to be freed with g_free). key is dirname in local encoding,
value is dirname in utf8, if available */
dirs_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
/* If @syncdir is not NULL, put @syndir into the hash
table. Otherwise put the dirs of all tracks in @playlist into
the table. */
if (syncdir) {
/* make sure the directory name does not end in '/' -- the
code below does not seem to like this */
gint len = strlen(syncdir);
gchar *dir = g_strdup(syncdir);
if (len > 1) {
if (G_IS_DIR_SEPARATOR (dir[len-1])) {
dir[len - 1] = 0;
}
}
cache_directory(dir, dirs_hash);
}
else {
for (gl = playlist->members; gl; gl = gl->next) {
ExtraTrackData *etr;
Track *track = gl->data;
g_return_if_fail (track);
etr = track->userdata;
g_return_if_fail (etr);
if (etr->pc_path_locale && *etr->pc_path_locale) {
gchar *dirname_local;
dirname_local = g_path_get_dirname(etr->pc_path_locale);
if (etr->pc_path_utf8 && *etr->pc_path_utf8) {
g_hash_table_insert(dirs_hash, dirname_local, g_path_get_dirname(etr->pc_path_utf8));
}
else { /* no utf8 -- make sure we don't replace a dir
* entry that had the utf8 data set */
if (!g_hash_table_lookup(dirs_hash, dirname_local)) {
g_hash_table_insert(dirs_hash, dirname_local, NULL);
}
else {
g_free(dirname_local);
}
}
}
}
}
/* Confirm directories */
if (key_sync_confirm_dirs || sync_confirm_dirs) {
if (!confirm_sync_dirs(dirs_hash, key_sync_confirm_dirs)) { /* aborted */
g_hash_table_destroy(dirs_hash);
return;
}
}
/* craete a hash with all files in the current playlist for faster
* comparison with files in the directory */
filepath_hash = get_itdb_filepath_hash(playlist);
afd.playlist = playlist;
afd.tracks_updated = &tracks_updated;
afd.filepath_hash = filepath_hash;
/* Add all files in all directories present in dirs_hash */
g_hash_table_foreach(dirs_hash, add_files, &afd);
/* we won't need this hash any more */
g_hash_table_destroy(filepath_hash);
filepath_hash = NULL;
/* Remove updated and duplicate list so it won't pop up at a later
time */
display_updated((void *) -1, NULL);
display_non_updated((void *) -1, NULL);
gp_duplicate_remove(NULL, (void *) -1);
/* Should tracks be deleted that were not present in the
* directories? */
if (key_sync_delete_tracks == NULL) {
delete_tracks = TRUE;
}
else {
delete_tracks = prefs_get_int(key_sync_delete_tracks);
}
/* Is playlist the MPL? */
is_mpl = itdb_playlist_is_mpl(playlist);
/* Identify all tracks in playlist not being located in one of the
specified dirs, or no longer existing. */
for (gl = playlist->members; gl; gl = gl->next) {
ExtraTrackData *etr;
gboolean remove;
Track *tr = gl->data;
g_return_if_fail (tr);
etr = tr->userdata;
g_return_if_fail (etr);
remove = FALSE;
if (etr->pc_path_locale && *etr->pc_path_locale) {
gchar *dirname_local;
dirname_local = g_path_get_dirname(etr->pc_path_locale);
if (!g_hash_table_lookup_extended(dirs_hash, dirname_local, NULL, NULL)) { /* file is not in one of the specified directories */
remove = TRUE;
}
else { /* check if file exists */
if (g_file_test(etr->pc_path_locale, G_FILE_TEST_EXISTS) == FALSE) { /* no -- remove */
remove = TRUE;
}
}
g_free(dirname_local);
}
if (remove) { /* decide whether track needs to be removed from the iPod
* (only member of this playlist) or only from this
* playlist (if delete_tracks is not set, no tracks are
* removed from the MPL) */
if (delete_tracks && (is_mpl || (itdb_playlist_contain_track_number(tr) == 1))) {
tracks_to_delete_from_ipod = g_list_append(tracks_to_delete_from_ipod, tr);
}
else {
if (!is_mpl) {
tracks_to_delete_from_playlist = g_list_append(tracks_to_delete_from_playlist, tr);
}
}
}
}
if (tracks_to_delete_from_ipod && (key_sync_confirm_delete || sync_confirm_delete)
&& (confirm_delete_tracks(tracks_to_delete_from_ipod, key_sync_confirm_delete) == FALSE)) { /* User doesn't want us to remove those tracks from the
* iPod. We'll therefore just remove them from the playlist
* (if playlist is the MPL, don't remove at all) */
if (!is_mpl) {
tracks_to_delete_from_playlist = g_list_concat(tracks_to_delete_from_playlist, tracks_to_delete_from_ipod);
}
else {
g_list_free(tracks_to_delete_from_ipod);
}
tracks_to_delete_from_ipod = NULL;
}
if (key_sync_show_summary || sync_show_summary) {
show_sync_summary(key_sync_show_summary, playlist, tracks_to_delete_from_ipod, tracks_to_delete_from_playlist, tracks_updated);
}
/* Remove completely */
for (gl = tracks_to_delete_from_ipod; gl; gl = gl->next) {
Track *tr = gl->data;
g_return_if_fail (tr);
if (tr->itdb->usertype & GP_ITDB_TYPE_IPOD)
gp_playlist_remove_track(NULL, tr, DELETE_ACTION_IPOD);
else if (tr->itdb->usertype & GP_ITDB_TYPE_LOCAL)
gp_playlist_remove_track(NULL, tr, DELETE_ACTION_DATABASE);
}
/* Remove from playlist */
for (gl = tracks_to_delete_from_playlist; gl; gl = gl->next) {
Track *tr = gl->data;
g_return_if_fail (tr);
gp_playlist_remove_track(playlist, tr, DELETE_ACTION_PLAYLIST);
}
/* Was any data changed? */
if (tracks_to_delete_from_ipod || tracks_to_delete_from_playlist || tracks_updated) {
data_changed(playlist->itdb);
gtkpod_tracks_statusbar_update();
}
g_list_free(tracks_to_delete_from_ipod);
g_list_free(tracks_to_delete_from_playlist);
g_list_free(tracks_updated);
}
/**
* sync_all_playlists:
*
* @itdb: repository whose playlists are to be updated
*
* Will update all playlists in @itdb according to options set. The
* following pref subkeys are relevant:
*
* sync_confirm_dirs
* sync_delete_tracks
* sync_confirm_delete
* sync_show_summary
*/
void sync_all_playlists(iTunesDB *itdb) {
gint index;
GList *gl;
g_return_if_fail (itdb);
index = get_itdb_index(itdb);
for (gl = itdb->playlists; gl; gl = gl->next) {
gint syncmode;
Playlist *pl = gl->data;
g_return_if_fail (pl);
syncmode = get_playlist_prefs_int(pl, KEY_SYNCMODE);
if (syncmode != SYNC_PLAYLIST_MODE_NONE) {
gchar *key_sync_confirm_dirs = get_playlist_prefs_key(index, pl, KEY_SYNC_CONFIRM_DIRS);
gchar *key_sync_delete_tracks = get_playlist_prefs_key(index, pl, KEY_SYNC_DELETE_TRACKS);
gchar *key_sync_confirm_delete = get_playlist_prefs_key(index, pl, KEY_SYNC_CONFIRM_DELETE);
gchar *key_sync_show_summary = get_playlist_prefs_key(index, pl, KEY_SYNC_SHOW_SUMMARY);
gchar *syncdir = NULL;
if (syncmode == SYNC_PLAYLIST_MODE_MANUAL) {
syncdir = get_playlist_prefs_string(pl, KEY_MANUAL_SYNCDIR);
}
sync_playlist(pl, syncdir, key_sync_confirm_dirs, 0, key_sync_delete_tracks, 0, key_sync_confirm_delete, 0, key_sync_show_summary, 0);
g_free(key_sync_confirm_dirs);
g_free(key_sync_delete_tracks);
g_free(key_sync_confirm_delete);
g_free(key_sync_show_summary);
g_free(syncdir);
}
}
}
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