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/*
* fm-templates.c
*
* Copyright 2012-2014 Andriy Grytsenko (LStranger) <andrej@rep.kiev.ua>
*
* This file is a part of the Libfm library.
*
* 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; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* SECTION:fm-templates
* @short_description: Templates for new files creation.
* @title: FmTemplate
*
* @include: libfm/fm.h
*
* The #FmTemplate object represents description which files was set for
* creation and how those files should be created - that includes custom
* prompt, file name template, and template contents.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <glib.h>
#include <glib/gi18n-lib.h>
#include <string.h>
#include "fm-templates.h"
#include "fm-monitor.h"
#include "fm-dir-list-job.h"
#include "fm-config.h"
#include "fm-folder.h"
typedef struct _FmTemplateFile FmTemplateFile;
typedef struct _FmTemplateDir FmTemplateDir;
struct _FmTemplate
{
GObject parent;
FmTemplateFile *files; /* not referenced, it references instead */
FmMimeType *mime_type;
FmPath *template_file;
FmIcon *icon;
gchar *command;
gchar *prompt;
gchar *label;
};
struct _FmTemplateClass
{
GObjectClass parent;
};
static void fm_template_finalize(GObject *object);
G_DEFINE_TYPE(FmTemplate, fm_template, G_TYPE_OBJECT);
static void fm_template_class_init(FmTemplateClass *klass)
{
GObjectClass *g_object_class;
g_object_class = G_OBJECT_CLASS(klass);
g_object_class->finalize = fm_template_finalize;
}
static GList *templates = NULL; /* in appearance reversed order */
G_LOCK_DEFINE_STATIC(templates);
static void fm_template_finalize(GObject *object)
{
FmTemplate *self;
g_return_if_fail(FM_IS_TEMPLATE(object));
self = (FmTemplate*)object;
if(self->files)
g_error("template reference failure");
fm_mime_type_unref(self->mime_type);
if(self->template_file)
fm_path_unref(self->template_file);
if(self->icon)
g_object_unref(self->icon);
g_free(self->command);
g_free(self->prompt);
g_free(self->label);
G_OBJECT_CLASS(fm_template_parent_class)->finalize(object);
}
static void fm_template_init(FmTemplate *self)
{
}
static FmTemplate* fm_template_new(void)
{
return (FmTemplate*)g_object_new(FM_TEMPLATE_TYPE, NULL);
}
struct _FmTemplateFile
{
/* using 'built-in' GList/GSList for speed and less memory consuming */
FmTemplateFile *next_in_dir;
FmTemplateFile *prev_in_dir;
FmTemplateDir *dir;
FmTemplateFile *next_in_templ; /* in priority-less order */
/* referenced */
FmTemplate *templ;
FmPath *path;
gboolean is_desktop_entry : 1;
gboolean inactive : 1;
};
struct _FmTemplateDir
{
/* using 'built-in' GSList for speed and less memory consuming */
FmTemplateDir *next;
FmTemplateFile *files;
/* referenced */
FmPath *path;
GFileMonitor *monitor;
gboolean user_dir : 1;
};
/* allocated once, on init */
static FmTemplateDir *templates_dirs = NULL;
/* determine mime type for the template
using just fm_mime_type_* for this isn't appropriate because
we need completely another guessing for templates content */
static FmMimeType *_fm_template_guess_mime_type(FmPath *path, FmMimeType *mime_type,
FmPath **tpath)
{
const gchar *basename = fm_path_get_basename(path);
FmPath *subpath = NULL;
gchar *filename, *type, *url;
GKeyFile *kf;
/* SF bug #902: if file was deleted instantly we get NULL here */
if (mime_type == NULL)
return NULL;
/* if file is desktop entry then find the real template file path */
if(mime_type != _fm_mime_type_get_application_x_desktop())
{
if(tpath)
*tpath = fm_path_ref(path);
return fm_mime_type_ref(mime_type);
}
/* parse file to find mime type */
kf = g_key_file_new();
filename = fm_path_to_str(path);
type = NULL;
if(g_key_file_load_from_file(kf, filename, G_KEY_FILE_NONE, NULL))
{
type = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_TYPE, NULL);
if(type && strcmp(type, G_KEY_FILE_DESKTOP_TYPE_APPLICATION) == 0)
{
/* Type=Application, assume it's just file */
g_key_file_free(kf);
g_free(filename);
g_free(type);
if(tpath)
*tpath = fm_path_ref(path);
return fm_mime_type_ref(_fm_mime_type_get_application_x_desktop());
}
if(!type || strcmp(type, G_KEY_FILE_DESKTOP_TYPE_LINK) != 0)
{
/* desktop entry file invalid as template */
g_key_file_free(kf);
g_free(filename);
g_free(type);
return NULL;
}
g_free(type);
/* valid template should have 'URL' key */
url = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_URL, NULL);
if(url)
{
if(G_UNLIKELY(url[0] == '/')) /* absolute path */
subpath = fm_path_new_for_path(url);
else if(G_UNLIKELY(strchr(url, ':'))) /* URI (huh?) */
subpath = fm_path_new_for_uri(url);
else /* path relative to directory containing file */
subpath = fm_path_new_relative(fm_path_get_parent(path), url);
path = subpath; /* shift to new path */
basename = fm_path_get_basename(path);
g_free(url);
}
else
{
g_key_file_free(kf);
g_free(filename);
return NULL; /* invalid template file */
}
/* some templates may have 'MimeType' key */
type = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_MIME_TYPE, NULL);
if(type)
{
if(tpath)
*tpath = subpath;
else
fm_path_unref(subpath);
g_key_file_free(kf);
g_free(filename);
mime_type = fm_mime_type_from_name(type);
g_free(type);
return mime_type;
}
}
/* so we have real template file now, guess from file content first */
mime_type = NULL;
g_free(filename);
filename = fm_path_to_str(path);
/* type is NULL still */
mime_type = fm_mime_type_from_native_file(filename, basename, NULL);
if(mime_type == _fm_mime_type_get_application_x_desktop())
{
/* template file is an entry */
kf = g_key_file_new();
if(g_key_file_load_from_file(kf, filename, G_KEY_FILE_NONE, NULL))
{
type = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_TYPE, NULL);
if(type)
{
/* TODO: we support only 'Application' type for now */
if(strcmp(type, G_KEY_FILE_DESKTOP_TYPE_APPLICATION) == 0)
;
else
{
/* desktop entry file invalid as template */
g_key_file_free(kf);
g_free(filename);
if(subpath)
fm_path_unref(subpath);
g_free(type);
fm_mime_type_unref(mime_type);
return NULL;
}
g_free(type);
}
}
g_key_file_free(kf);
}
/* we got a desktop entry link to not existing file, guess from file name */
if(!mime_type)
{
gboolean uncertain;
type = g_content_type_guess(basename, NULL, 0, &uncertain);
if(type && !uncertain)
mime_type = fm_mime_type_from_name(type);
g_free(type);
/* ignore unrecognizable files instead of using application/octet-stream */
}
g_free(filename);
if(tpath)
*tpath = subpath;
else if(subpath)
fm_path_unref(subpath);
return mime_type;
}
/* find or create new FmTemplate */
/* requires lock held */
static FmTemplate *_fm_template_find_for_file(FmPath *path, FmMimeType *mime_type)
{
GList *l;
FmTemplate *templ;
FmPath *tpath = NULL;
gboolean template_type_once = fm_config->template_type_once;
if(template_type_once)
mime_type = _fm_template_guess_mime_type(path, mime_type, NULL);
else
mime_type = _fm_template_guess_mime_type(path, mime_type, &tpath);
if(!mime_type)
{
/* g_debug("could not guess MIME type for template %s, ignoring it",
fm_path_get_basename(path)); */
if(tpath)
fm_path_unref(tpath);
return NULL;
}
if(!template_type_once && !tpath)
{
/* g_debug("no basename defined in template %s, ignoring it",
fm_path_get_basename(path)); */
fm_mime_type_unref(mime_type);
return NULL;
}
for(l = templates; l; l = l->next)
{
templ = l->data;
if(!template_type_once)
{
if(strcmp(fm_path_get_basename(templ->template_file),
fm_path_get_basename(tpath)) == 0)
{
g_object_ref(templ);
fm_mime_type_unref(mime_type);
fm_path_unref(tpath);
return templ;
}
}
else if(templ->mime_type == mime_type)
{
g_object_ref(templ);
fm_mime_type_unref(mime_type);
return templ;
}
}
templ = fm_template_new();
templ->mime_type = mime_type;
templ->template_file = tpath;
templates = g_list_prepend(templates, g_object_ref(templ));
return templ;
}
/* requires lock held */
static void _fm_template_update_from_file(FmTemplate *templ, FmTemplateFile *file)
{
if(file == NULL)
return;
/* update from less relevant file first */
_fm_template_update_from_file(templ, file->next_in_templ);
if(file->is_desktop_entry) /* desktop entry */
{
GKeyFile *kf = g_key_file_new();
char *filename = fm_path_to_str(file->path);
char *tmp;
GError *error;
gboolean hidden;
if(g_key_file_load_from_file(kf, filename, G_KEY_FILE_NONE, &error))
{
hidden = g_key_file_get_boolean(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_HIDDEN, NULL);
file->inactive = hidden;
/* g_debug("%s hidden: %d", filename, hidden); */
/* FIXME: test for G_KEY_FILE_DESKTOP_KEY_ONLY_SHOW_IN ? */
if(!hidden)
{
tmp = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_TYPE, NULL);
if(!tmp || strcmp(tmp, G_KEY_FILE_DESKTOP_TYPE_LINK) != 0)
{
/* it seems it's just Application template */
g_key_file_free(kf);
g_free(filename);
g_free(tmp);
if(!templ->template_file)
templ->template_file = fm_path_ref(file->path);
return;
}
g_free(tmp);
tmp = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_URL, NULL);
if(tmp)
{
if(templ->template_file)
fm_path_unref(templ->template_file);
if(G_UNLIKELY(tmp[0] == '/')) /* absolute path */
templ->template_file = fm_path_new_for_path(tmp);
else if(G_UNLIKELY(strchr(tmp, ':'))) /* URI (huh?) */
templ->template_file = fm_path_new_for_uri(tmp);
else /* path relative to directory containing file */
templ->template_file = fm_path_new_relative(file->dir->path, tmp);
g_free(tmp);
}
tmp = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_ICON, NULL);
if(tmp)
{
if(templ->icon)
g_object_unref(templ->icon);
templ->icon = fm_icon_from_name(tmp);
g_free(tmp);
}
tmp = g_key_file_get_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_EXEC, NULL);
if(tmp)
{
g_free(templ->command);
templ->command = tmp;
}
tmp = g_key_file_get_locale_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_NAME, NULL, NULL);
if(tmp)
{
g_free(templ->label);
templ->label = tmp;
}
tmp = g_key_file_get_locale_string(kf, G_KEY_FILE_DESKTOP_GROUP,
G_KEY_FILE_DESKTOP_KEY_COMMENT, NULL, NULL);
if(tmp)
{
g_free(templ->prompt);
templ->prompt = tmp;
}
/* FIXME: forge prompt from 'Name' if not set yet? */
}
}
else
{
g_warning("problem loading template %s: %s", filename, error->message);
g_error_free(error);
file->inactive = TRUE;
}
g_key_file_free(kf);
g_free(filename);
}
else /* plain file */
{
if(!templ->template_file)
templ->template_file = fm_path_ref(file->path);
file->inactive = FALSE;
}
}
/* recreate data in FmTemplate from entries */
/* requires lock held */
static FmTemplate *_fm_template_update(FmTemplate *templ)
{
GList *l;
FmTemplate *new_templ;
FmTemplateFile *file;
if(templ->files == NULL) /* template is empty now */
{
templates = g_list_remove(templates, templ);
g_object_unref(templ); /* we removed it from list so drop reference */
return NULL;
}
l = g_list_find(templates, templ);
if(l == NULL)
g_error("FmTemplate not found in list");
/* isolate and unref old template */
l->data = new_templ = fm_template_new(); /* reference is bound to list */
new_templ->mime_type = fm_mime_type_ref(templ->mime_type);
new_templ->files = templ->files;
templ->files = NULL;
for(file = new_templ->files; file; file = file->next_in_templ)
{
file->templ = g_object_ref(new_templ);
g_object_unref(templ);
}
/* update from file list */
_fm_template_update_from_file(new_templ, new_templ->files);
/* set template if it's not set, sorting by name requires it */
if(!new_templ->template_file && templ->template_file && !fm_config->template_type_once)
new_templ->template_file = fm_path_ref(templ->template_file);
g_object_unref(templ); /* we removed it from list so drop reference */
return new_templ;
}
/* add file into FmTemplate */
/* requires lock held */
static void _fm_template_insert_sorted(FmTemplate *templ, FmTemplateFile *file)
{
FmTemplateDir *last_dir = templates_dirs;
FmTemplateFile *last = NULL, *next;
for(next = templ->files; next; next = next->next_in_templ)
{
while(last_dir && last_dir != file->dir && last_dir != next->dir)
last_dir = last_dir->next;
g_assert(last_dir != NULL); /* it must be corruption otherwise */
if(last_dir == file->dir)
{
if(next->dir == last_dir && !file->is_desktop_entry)
{
if(!next->is_desktop_entry)
break;
/* sort files after desktop items */
}
else
break;
}
last = next;
}
file->next_in_templ = next;
if(last)
last->next_in_templ = file;
else
templ->files = file;
}
/* delete file from FmTemplate and free it */
/* requires lock held */
static void _fm_template_file_free(FmTemplate *templ, FmTemplateFile *file,
gboolean do_update)
{
FmTemplateFile *file2 = templ->files;
if(file2 == file)
templ->files = file->next_in_templ;
else while(file2)
{
if(file2->next_in_templ == file)
{
file2->next_in_templ = file->next_in_templ;
break;
}
file2 = file2->next_in_templ;
}
if(!file2)
g_critical("FmTemplate: file being freed is missed in template");
g_object_unref(templ);
fm_path_unref(file->path);
g_slice_free(FmTemplateFile, file);
if(do_update)
_fm_template_update(templ);
}
static void on_job_finished(FmJob *job, FmTemplateDir *dir)
{
GList *file_infos, *l;
FmFileInfo *fi;
FmPath *path;
FmTemplateFile *file;
FmTemplate *templ;
g_signal_handlers_disconnect_by_func(job, on_job_finished, dir);
file_infos = fm_file_info_list_peek_head_link(fm_dir_list_job_get_files(FM_DIR_LIST_JOB(job)));
for(l = file_infos; l; l = l->next)
{
fi = l->data;
if(fm_file_info_is_hidden(fi) || fm_file_info_is_backup(fi))
continue;
path = fm_file_info_get_path(fi);
G_LOCK(templates);
for(file = dir->files; file; file = file->next_in_dir)
if(fm_path_equal(path, file->path))
break;
G_UNLOCK(templates);
if(file) /* it's duplicate */
continue;
/* ensure the path is based on dir->path */
path = fm_path_new_child(dir->path, fm_path_get_basename(path));
G_LOCK(templates);
templ = _fm_template_find_for_file(path, fm_file_info_get_mime_type(fi));
G_UNLOCK(templates);
if(!templ) /* mime type guessing error */
{
fm_path_unref(path);
continue;
}
file = g_slice_new(FmTemplateFile);
file->templ = templ;
file->path = path;
file->is_desktop_entry = fm_file_info_is_desktop_entry(fi);
file->dir = dir;
G_LOCK(templates);
file->next_in_dir = dir->files;
file->prev_in_dir = NULL;
if(dir->files)
dir->files->prev_in_dir = file;
dir->files = file;
_fm_template_insert_sorted(templ, file);
_fm_template_update(templ);
G_UNLOCK(templates);
}
}
static void on_dir_changed(GFileMonitor *mon, GFile *gf, GFile *other,
GFileMonitorEvent evt, FmTemplateDir *dir)
{
GFile *gfile = fm_path_to_gfile(dir->path);
char *basename, *pathname;
FmTemplateFile *file;
FmPath *path;
FmTemplate *templ;
FmMimeType *mime_type;
if(g_file_equal(gf, gfile))
{
/* it's event on folder itself, ignoring */
g_object_unref(gfile);
return;
}
g_object_unref(gfile);
switch(evt)
{
case G_FILE_MONITOR_EVENT_CHANGED:
basename = g_file_get_basename(gf);
if (basename == NULL)
break;
G_LOCK(templates);
for(file = dir->files; file; file = file->next_in_dir)
if(strcmp(fm_path_get_basename(file->path), basename) == 0)
break;
g_free(basename);
if(file)
{
if(file->is_desktop_entry) /* we aware only of entries content */
_fm_template_update(file->templ);
}
else
g_warning("templates monitor: change for unknown file");
G_UNLOCK(templates);
break;
case G_FILE_MONITOR_EVENT_DELETED:
basename = g_file_get_basename(gf);
if (basename == NULL)
break;
G_LOCK(templates);
for(file = dir->files; file; file = file->next_in_dir)
if(strcmp(fm_path_get_basename(file->path), basename) == 0)
break;
g_free(basename);
if(file)
{
if(file == dir->files)
dir->files = file->next_in_dir;
else if(file->prev_in_dir)
file->prev_in_dir->next_in_dir = file->next_in_dir;
if(file->next_in_dir)
file->next_in_dir->prev_in_dir = file->prev_in_dir;
_fm_template_file_free(file->templ, file, TRUE);
G_UNLOCK(templates);
}
else
G_UNLOCK(templates);
/* else it is already deleted */
break;
case G_FILE_MONITOR_EVENT_CREATED:
basename = g_file_get_basename(gf);
G_LOCK(templates);
for(file = dir->files; file; file = file->next_in_dir)
if(strcmp(fm_path_get_basename(file->path), basename) == 0)
break;
G_UNLOCK(templates);
/* NOTE: to query file info is too heavy so do own assumptions */
if(!file && basename[0] != '.' && !g_str_has_suffix(basename, "~"))
{
path = fm_path_new_child(dir->path, basename);
pathname = fm_path_to_str(path);
mime_type = fm_mime_type_from_native_file(pathname, basename, NULL);
g_free(pathname);
G_LOCK(templates);
templ = _fm_template_find_for_file(path, mime_type);
if(templ)
{
file = g_slice_new(FmTemplateFile);
file->templ = templ;
file->path = path;
file->is_desktop_entry = (mime_type == _fm_mime_type_get_application_x_desktop());
file->dir = dir;
file->next_in_dir = dir->files;
file->prev_in_dir = NULL;
if (dir->files)
dir->files->prev_in_dir = file;
dir->files = file;
_fm_template_insert_sorted(templ, file);
_fm_template_update(templ);
G_UNLOCK(templates);
}
else
{
G_UNLOCK(templates);
fm_path_unref(path);
g_warning("could not guess type of template %s, ignoring it",
basename);
}
if (G_LIKELY(mime_type))
fm_mime_type_unref(mime_type);
}
else
g_debug("templates monitor: duplicate file %s", basename);
g_free(basename);
break;
#if GLIB_CHECK_VERSION(2, 24, 0)
case G_FILE_MONITOR_EVENT_MOVED:
#endif
case G_FILE_MONITOR_EVENT_ATTRIBUTE_CHANGED:
case G_FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
case G_FILE_MONITOR_EVENT_PRE_UNMOUNT:
case G_FILE_MONITOR_EVENT_UNMOUNTED:
/* ignore those */
break;
}
}
static void _template_dir_init(FmTemplateDir *dir, GFile *gf)
{
FmDirListJob *job = fm_dir_list_job_new2(dir->path, FM_DIR_LIST_JOB_FAST);
GError *error = NULL;
dir->files = NULL;
g_signal_connect(job, "finished", G_CALLBACK(on_job_finished), dir);
if(!fm_job_run_async(FM_JOB(job)))
g_signal_handlers_disconnect_by_func(job, on_job_finished, dir);
dir->monitor = fm_monitor_directory(gf, &error);
if(dir->monitor)
g_signal_connect(dir->monitor, "changed", G_CALLBACK(on_dir_changed), dir);
else
{
g_debug("file monitor cannot be created: %s", error->message);
g_error_free(error);
}
g_object_unref(job);
}
static void on_once_type_changed(FmConfig *cfg, gpointer unused)
{
GList *l, *old_list;
FmTemplateFile *file;
FmTemplate *templ;
G_LOCK(templates);
/* rebuild templates list from known files */
old_list = templates;
templates = NULL;
for(l = old_list; l; l = l->next)
{
templ = l->data;
while((file = templ->files))
{
templ->files = file->next_in_templ;
file->templ = _fm_template_find_for_file(file->path, templ->mime_type);
_fm_template_insert_sorted(file->templ, file);
g_object_unref(templ); /* for a removed file */
}
g_object_unref(templ); /* for removing from list */
}
g_list_free(old_list);
/* update all templates now */
g_list_foreach(templates, (GFunc)_fm_template_update, NULL);
G_UNLOCK(templates);
}
void _fm_templates_init(void)
{
const gchar * const *data_dirs = g_get_system_data_dirs();
const gchar * const *data_dir;
const gchar *dir_name;
FmTemplateDir *dir = NULL;
GFile *parent, *gfile;
if(templates_dirs)
return; /* someone called us again? */
/* prepare list of system template directories */
for(data_dir = data_dirs; *data_dir; ++data_dir)
{
parent = g_file_new_for_path(*data_dir);
gfile = g_file_get_child(parent, "templates");
g_object_unref(parent);
if(g_file_query_exists(gfile, NULL))
{
if(G_LIKELY(dir))
{
dir->next = g_slice_new(FmTemplateDir);
dir = dir->next;
}
else
templates_dirs = dir = g_slice_new(FmTemplateDir);
dir->path = fm_path_new_for_gfile(gfile);
dir->user_dir = FALSE;
_template_dir_init(dir, gfile);
}
g_object_unref(gfile);
}
if(G_LIKELY(dir))
dir->next = NULL;
/* add templates dir in user data */
dir = g_slice_new(FmTemplateDir);
dir->next = templates_dirs;
templates_dirs = dir;
parent = g_file_new_for_path(g_get_user_data_dir());
gfile = g_file_get_child(parent, "templates");
g_object_unref(parent);
dir->path = fm_path_new_for_gfile(gfile);
dir->user_dir = TRUE;
/* FIXME: create it if it doesn't exist? */
if(g_file_query_exists(gfile, NULL))
_template_dir_init(dir, gfile);
else
{
dir->files = NULL;
dir->monitor = NULL;
}
g_object_unref(gfile);
/* add XDG_TEMPLATES_DIR at last */
dir = g_slice_new(FmTemplateDir);
dir->next = templates_dirs;
templates_dirs = dir;
dir_name = g_get_user_special_dir(G_USER_DIRECTORY_TEMPLATES);
if(dir_name)
dir->path = fm_path_new_for_path(dir_name);
else
dir->path = fm_path_new_child(fm_path_get_home(), "Templates");
dir->user_dir = TRUE;
gfile = fm_path_to_gfile(dir->path);
if(!g_file_query_exists(gfile, NULL))
{
g_warning("The directory '%s' doesn't exist, ignoring it",
dir_name ? dir_name : "~/Templates");
goto _skip_templates_dir;
}
if (dir->path == fm_path_get_home() || dir->path == fm_path_get_root())
{
/* $HOME or / are invalid templates paths so just ignore */
g_warning("XDG_TEMPLATES_DIR is set to invalid path, ignoring it");
_skip_templates_dir:
dir->files = NULL;
dir->monitor = NULL;
}
else
_template_dir_init(dir, gfile);
g_object_unref(gfile);
/* jobs will fill list of files async */
g_signal_connect(fm_config, "changed::template_type_once",
G_CALLBACK(on_once_type_changed), NULL);
}
void _fm_templates_finalize(void)
{
FmTemplateDir *dir;
FmTemplateFile *file;
g_signal_handlers_disconnect_by_func(fm_config, on_once_type_changed, NULL);
while(templates_dirs)
{
dir = templates_dirs;
templates_dirs = dir->next;
fm_path_unref(dir->path);
if(dir->monitor)
{
g_signal_handlers_disconnect_by_func(dir->monitor, on_dir_changed, dir);
g_object_unref(dir->monitor);
}
while(dir->files)
{
file = dir->files;
dir->files = file->next_in_dir;
if(dir->files)
dir->files->prev_in_dir = NULL;
_fm_template_file_free(file->templ, file, FALSE);
}
g_slice_free(FmTemplateDir, dir);
}
g_list_foreach(templates, (GFunc)g_object_unref, NULL);
g_list_free(templates);
templates = NULL;
}
/**
* fm_template_list_all
* @user_only: %TRUE to ignore system templates
*
* Retrieves list of all templates. Returned data should be freed after
* usage with g_list_free_full(list, g_object_unref).
*
* Returns: (transfer full) (element-type FmTemplate): list of all known templates.
*
* Since: 1.2.0
*/
GList *fm_template_list_all(gboolean user_only)
{
GList *list = NULL, *l;
G_LOCK(templates);
for(l = templates; l; l = l->next)
if(!((FmTemplate*)l->data)->files->inactive &&
(!user_only || ((FmTemplate*)l->data)->files->dir->user_dir))
list = g_list_prepend(list, g_object_ref(l->data));
G_UNLOCK(templates);
return list;
}
/**
* fm_template_get_name
* @templ: a template descriptor
* @nlen: (allow-none): location to get template name length
*
* Retrieves file name template for @templ. If @nlen isn't %NULL then it
* will receive length of file name template without suffix (in characters).
* Returned data are owned by @templ and should be not freed by caller.
*
* Returns: (transfer none): file name template.
*
* Since: 1.2.0
*/
const gchar *fm_template_get_name(FmTemplate *templ, gint *nlen)
{
const gchar *name;
name = templ->template_file ? fm_path_get_basename(templ->template_file) : NULL;
if(nlen)
{
char *point;
if(!name)
*nlen = 0;
else if((point = strrchr(name, '.')))
*nlen = g_utf8_strlen(name, point - name);
else
*nlen = g_utf8_strlen(name, -1);
}
return name;
}
/**
* fm_template_get_mime_type
* @templ: a template descriptor
*
* Retrieves MIME type descriptor for @templ. Returned data are owned by
* @templ and should be not freed by caller.
*
* Returns: (transfer none): mime type descriptor.
*
* Since: 1.2.0
*/
FmMimeType *fm_template_get_mime_type(FmTemplate *templ)
{
return templ->mime_type;
}
/**
* fm_template_get_icon
* @templ: a template descriptor
*
* Retrieves icon defined for @templ. Returned data are owned by @templ
* and should be not freed by caller.
*
* Returns: (transfer none): icon for template.
*
* Since: 1.2.0
*/
FmIcon *fm_template_get_icon(FmTemplate *templ)
{
if(templ->icon)
return templ->icon;
return fm_mime_type_get_icon(templ->mime_type);
}
/**
* fm_template_get_prompt
* @templ: a template descriptor
*
* Retrieves prompt for @templ. It can be used as label in entry for the
* desired name. If no prompt is defined then returns %NULL. Returned
* data are owned by @templ and should be not freed by caller.
*
* Returns: (transfer none): file prompt.
*
* Since: 1.2.0
*/
const gchar *fm_template_get_prompt(FmTemplate *templ)
{
return templ->prompt;
}
/**
* fm_template_get_label
* @templ: a template descriptor
*
* Retrieves label for @templ. It can be used as label in menu. Returned
* data are owned by @templ and should be not freed by caller.
*
* Returns: (transfer none): template label.
*
* Since: 1.2.0
*/
const gchar *fm_template_get_label(FmTemplate *templ)
{
if(!templ->label && !fm_config->template_type_once && templ->template_file)
{
/* set label to filename if no MIME types are used */
const char *basename = fm_path_get_basename(templ->template_file);
const char *tmp = strrchr(basename, '.'); /* strip last suffix */
if(tmp)
templ->label = g_strndup(basename, tmp - basename);
else
templ->label = g_strdup(basename);
}
return templ->label;
}
/**
* fm_template_is_directory
* @templ: a template descriptor
*
* Checks if @templ is directory template.
*
* Returns: %TRUE if @templ is directory template.
*
* Since: 1.2.0
*/
gboolean fm_template_is_directory(FmTemplate *templ)
{
return (templ->mime_type == _fm_mime_type_get_inode_directory());
}
/**
* fm_template_create_file
* @templ: (allow-none): a template descriptor
* @path: path to file to create
* @error: (allow-none): location to retrieve error
* @run_default: %TRUE to run default application on new file
*
* Tries to create file at @path using rules of creating from @templ.
*
* Returns: %TRUE if file created successfully.
*
* Since: 1.2.0
*/
gboolean fm_template_create_file(FmTemplate *templ, GFile *path, GError **error,
gboolean run_default)
{
char *command;
GAppInfo *app;
GFile *tfile;
GList *list;
GFileOutputStream *f;
FmPath *fm_path;
FmFolder *fm_folder;
gboolean ret;
if((templ && !FM_IS_TEMPLATE(templ)) || !G_IS_FILE(path))
{
g_set_error_literal(error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("fm_template_create_file: invalid argument"));
return FALSE;
}
tfile = NULL;
if(!templ)
goto _create_empty_file;
if(templ->template_file)
{
command = fm_path_to_str(templ->template_file);
tfile = g_file_new_for_path(command);
g_free(command);
}
/* FIXME: it may block */
if(templ->mime_type == _fm_mime_type_get_inode_directory())
{
if(!g_file_make_directory(path, NULL, error))
return FALSE;
}
else if(!g_file_copy(tfile, path, G_FILE_COPY_TARGET_DEFAULT_PERMS, NULL,
NULL, NULL, error))
{
if((*error)->domain != G_IO_ERROR || (*error)->code != G_IO_ERROR_NOT_FOUND)
{
/* we ran into problems, application will run into them too
the most probably, so don't try to launch it then */
g_object_unref(tfile);
return FALSE;
}
/* template file not found, it's normal */
g_clear_error(error);
/* create empty file instead */
_create_empty_file:
f = g_file_create(path, G_FILE_CREATE_NONE, NULL, error);
if(!f)
{
if(tfile)
g_object_unref(tfile);
return FALSE;
}
g_object_unref(f);
}
if(tfile)
g_object_unref(tfile);
fm_path = fm_path_new_for_gfile(path);
fm_folder = fm_folder_find_by_path(fm_path_get_parent(fm_path));
if (!fm_folder || !_fm_folder_event_file_added(fm_folder, fm_path))
fm_path_unref(fm_path);
if (fm_folder)
g_object_unref(fm_folder);
if(!run_default || !templ)
return TRUE;
if(templ->command)
{
app = g_app_info_create_from_commandline(templ->command, NULL,
G_APP_INFO_CREATE_NONE, error);
}
else
{
app = g_app_info_get_default_for_type(fm_mime_type_get_type(templ->mime_type), FALSE);
if(!app && error)
g_set_error(error, G_IO_ERROR, G_IO_ERROR_FAILED,
_("No default application is set for MIME type %s"),
fm_mime_type_get_type(templ->mime_type));
}
if(!app)
return FALSE;
list = g_list_prepend(NULL, path);
ret = g_app_info_launch(app, list, NULL, error);
g_list_free(list);
g_object_unref(app);
return ret;
}
|