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/* GTK - The GIMP Toolkit
* gtkrecentmanager.c: a manager for the recently used resources
*
* Copyright (C) 2006 Emmanuele Bassi
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
*/
#include "config.h"
#include <sys/types.h>
#include <sys/stat.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <errno.h>
#include <string.h>
#include <stdlib.h>
#include <glib.h>
#include <glib/gstdio.h>
#include <gio/gio.h>
#include "gtkrecentmanager.h"
#include "gtkintl.h"
#include "gtkstock.h"
#include "gtkicontheme.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtkmarshalers.h"
#include "gtkalias.h"
/* the file where we store the recently used items */
#define GTK_RECENTLY_USED_FILE "recently-used.xbel"
/* return all items by default */
#define DEFAULT_LIMIT -1
/* limit the size of the list */
#define MAX_LIST_SIZE 1000
/* keep in sync with xdgmime */
#define GTK_RECENT_DEFAULT_MIME "application/octet-stream"
typedef struct
{
gchar *name;
gchar *exec;
guint count;
time_t stamp;
} RecentAppInfo;
struct _GtkRecentInfo
{
gchar *uri;
gchar *display_name;
gchar *description;
time_t added;
time_t modified;
time_t visited;
gchar *mime_type;
GSList *applications;
GHashTable *apps_lookup;
GSList *groups;
gboolean is_private;
GdkPixbuf *icon;
gint ref_count;
};
#define GTK_RECENT_MANAGER_GET_PRIVATE(obj) (G_TYPE_INSTANCE_GET_PRIVATE ((obj), GTK_TYPE_RECENT_MANAGER, GtkRecentManagerPrivate))
struct _GtkRecentManagerPrivate
{
gchar *filename;
guint is_dirty : 1;
gint limit;
gint size;
GBookmarkFile *recent_items;
GFileMonitor *monitor;
guint changed_timeout;
guint changed_age;
};
enum
{
PROP_0,
PROP_FILENAME,
PROP_LIMIT,
PROP_SIZE
};
static void gtk_recent_manager_dispose (GObject *object);
static void gtk_recent_manager_finalize (GObject *object);
static void gtk_recent_manager_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_recent_manager_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec);
static void gtk_recent_manager_add_item_query_info (GObject *source_object,
GAsyncResult *res,
gpointer user_data);
static void gtk_recent_manager_monitor_changed (GFileMonitor *monitor,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data);
static void gtk_recent_manager_changed (GtkRecentManager *manager);
static void gtk_recent_manager_real_changed (GtkRecentManager *manager);
static void gtk_recent_manager_set_filename (GtkRecentManager *manager,
const gchar *filename);
static void gtk_recent_manager_clamp_to_age (GtkRecentManager *manager,
gint age);
static void gtk_recent_manager_clamp_to_size (GtkRecentManager *manager,
const gint size);
static void build_recent_items_list (GtkRecentManager *manager);
static void purge_recent_items_list (GtkRecentManager *manager,
GError **error);
static RecentAppInfo *recent_app_info_new (const gchar *app_name);
static void recent_app_info_free (RecentAppInfo *app_info);
static GtkRecentInfo *gtk_recent_info_new (const gchar *uri);
static void gtk_recent_info_free (GtkRecentInfo *recent_info);
static guint signal_changed = 0;
static GtkRecentManager *recent_manager_singleton = NULL;
G_DEFINE_TYPE (GtkRecentManager, gtk_recent_manager, G_TYPE_OBJECT)
static void
filename_warning (const gchar *format,
const gchar *filename,
const gchar *message)
{
gchar *utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_warning (format, utf8 ? utf8 : "(invalid filename)", message);
g_free (utf8);
}
/* Test of haystack has the needle prefix, comparing case
* insensitive. haystack may be UTF-8, but needle must
* contain only lowercase ascii. */
static gboolean
has_case_prefix (const gchar *haystack,
const gchar *needle)
{
const gchar *h, *n;
/* Eat one character at a time. */
h = haystack;
n = needle;
while (*n && *h && *n == g_ascii_tolower (*h))
{
n++;
h++;
}
return *n == '\0';
}
GQuark
gtk_recent_manager_error_quark (void)
{
return g_quark_from_static_string ("gtk-recent-manager-error-quark");
}
static void
gtk_recent_manager_class_init (GtkRecentManagerClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
gobject_class->set_property = gtk_recent_manager_set_property;
gobject_class->get_property = gtk_recent_manager_get_property;
gobject_class->dispose = gtk_recent_manager_dispose;
gobject_class->finalize = gtk_recent_manager_finalize;
/**
* GtkRecentManager:filename
*
* The full path to the file to be used to store and read the recently
* used resources list
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_FILENAME,
g_param_spec_string ("filename",
P_("Filename"),
P_("The full path to the file to be used to store and read the list"),
NULL,
(G_PARAM_CONSTRUCT_ONLY | G_PARAM_READWRITE)));
/**
* GtkRecentManager:limit
*
* The maximum number of items to be returned by the
* gtk_recent_manager_get_items() function.
*
* Since: 2.10
*
* Deprecated: 2.22: Setting this property does not have any effect.
* The length of the list should be managed by the view (implementing
* #GtkRecentChooser), and not by the model (the #GtkRecentManager).
* See #GtkRecentChooser:limit.
*/
g_object_class_install_property (gobject_class,
PROP_LIMIT,
g_param_spec_int ("limit",
P_("Limit"),
P_("The maximum number of items to be returned by gtk_recent_manager_get_items()"),
-1,
G_MAXINT,
DEFAULT_LIMIT,
G_PARAM_READWRITE | G_PARAM_DEPRECATED));
/**
* GtkRecentManager:size
*
* The size of the recently used resources list.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
PROP_SIZE,
g_param_spec_int ("size",
P_("Size"),
P_("The size of the recently used resources list"),
-1,
G_MAXINT,
0,
G_PARAM_READABLE));
/**
* GtkRecentManager::changed
* @recent_manager: the recent manager
*
* Emitted when the current recently used resources manager changes its
* contents.
*
* Since: 2.10
*/
signal_changed =
g_signal_new (I_("changed"),
G_TYPE_FROM_CLASS (klass),
G_SIGNAL_RUN_FIRST,
G_STRUCT_OFFSET (GtkRecentManagerClass, changed),
NULL, NULL,
g_cclosure_marshal_VOID__VOID,
G_TYPE_NONE, 0);
klass->changed = gtk_recent_manager_real_changed;
g_type_class_add_private (klass, sizeof (GtkRecentManagerPrivate));
}
static void
gtk_recent_manager_init (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv;
manager->priv = priv = GTK_RECENT_MANAGER_GET_PRIVATE (manager);
priv->limit = DEFAULT_LIMIT;
priv->size = 0;
priv->filename = NULL;
}
static void
gtk_recent_manager_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object);
switch (prop_id)
{
case PROP_FILENAME:
gtk_recent_manager_set_filename (recent_manager, g_value_get_string (value));
break;
case PROP_LIMIT:
gtk_recent_manager_set_limit (recent_manager, g_value_get_int (value));
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_recent_manager_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object);
switch (prop_id)
{
case PROP_FILENAME:
g_value_set_string (value, recent_manager->priv->filename);
break;
case PROP_LIMIT:
g_value_set_int (value, recent_manager->priv->limit);
break;
case PROP_SIZE:
g_value_set_int (value, recent_manager->priv->size);
break;
default:
G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
break;
}
}
static void
gtk_recent_manager_finalize (GObject *object)
{
GtkRecentManager *manager = GTK_RECENT_MANAGER (object);
GtkRecentManagerPrivate *priv = manager->priv;
g_free (priv->filename);
if (priv->recent_items != NULL)
g_bookmark_file_free (priv->recent_items);
G_OBJECT_CLASS (gtk_recent_manager_parent_class)->finalize (object);
}
static void
gtk_recent_manager_dispose (GObject *gobject)
{
GtkRecentManager *manager = GTK_RECENT_MANAGER (gobject);
GtkRecentManagerPrivate *priv = manager->priv;
if (priv->monitor != NULL)
{
g_signal_handlers_disconnect_by_func (priv->monitor,
G_CALLBACK (gtk_recent_manager_monitor_changed),
manager);
g_object_unref (priv->monitor);
priv->monitor = NULL;
}
if (priv->changed_timeout != 0)
{
g_source_remove (priv->changed_timeout);
priv->changed_timeout = 0;
priv->changed_age = 0;
}
if (priv->is_dirty)
{
g_object_ref (manager);
g_signal_emit (manager, signal_changed, 0);
g_object_unref (manager);
}
G_OBJECT_CLASS (gtk_recent_manager_parent_class)->dispose (gobject);
}
static void
gtk_recent_manager_real_changed (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv = manager->priv;
g_object_freeze_notify (G_OBJECT (manager));
if (priv->is_dirty)
{
GError *write_error;
/* we are marked as dirty, so we dump the content of our
* recently used items list
*/
g_assert (priv->filename != NULL);
if (!priv->recent_items)
{
/* if no container object has been defined, we create a new
* empty container, and dump it
*/
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
}
else
{
GtkSettings *settings = gtk_settings_get_default ();
gint age = 30;
gint max_size = MAX_LIST_SIZE;
g_object_get (G_OBJECT (settings), "gtk-recent-files-max-age", &age, NULL);
if (age > 0)
gtk_recent_manager_clamp_to_age (manager, age);
else if (age == 0)
{
g_bookmark_file_free (priv->recent_items);
priv->recent_items = g_bookmark_file_new ();
}
if (max_size > 0)
gtk_recent_manager_clamp_to_size (manager, max_size);
}
write_error = NULL;
g_bookmark_file_to_file (priv->recent_items, priv->filename, &write_error);
if (write_error)
{
filename_warning ("Attempting to store changes into `%s', "
"but failed: %s",
priv->filename,
write_error->message);
g_error_free (write_error);
}
if (g_chmod (priv->filename, 0600) < 0)
{
filename_warning ("Attempting to set the permissions of `%s', "
"but failed: %s",
priv->filename,
g_strerror (errno));
}
/* mark us as clean */
priv->is_dirty = FALSE;
}
else
{
/* we are not marked as dirty, so we have been called
* because the recently used resources file has been
* changed (and not from us).
*/
build_recent_items_list (manager);
}
g_object_thaw_notify (G_OBJECT (manager));
}
static void
gtk_recent_manager_monitor_changed (GFileMonitor *monitor,
GFile *file,
GFile *other_file,
GFileMonitorEvent event_type,
gpointer user_data)
{
GtkRecentManager *manager = user_data;
switch (event_type)
{
case G_FILE_MONITOR_EVENT_CHANGED:
case G_FILE_MONITOR_EVENT_CREATED:
gdk_threads_enter ();
gtk_recent_manager_changed (manager);
gdk_threads_leave ();
break;
case G_FILE_MONITOR_EVENT_DELETED:
break;
default:
break;
}
}
/*
* get_default_recent_file:
*
* Retrieves the default storage file
*
* The default file is under XDG_DATA_HOME/recently-used.xbel but we also
* check if the old $HOME/.recently-used.xbel is still there, and rename it
* if needed.
*
* Return value: a newly allocated string with the new file
*/
static char *
get_default_recent_file (void)
{
char *old_file = g_build_filename (g_get_home_dir (),
"." GTK_RECENTLY_USED_FILE,
NULL);
char *new_file = g_build_filename (g_get_user_data_dir (),
GTK_RECENTLY_USED_FILE,
NULL);
GBookmarkFile *bf_old = NULL, *bf_new = NULL;
char **uris;
gsize n_uris, i;
/* simple case: the old file does not exist, so we just use the new one */
if (!g_file_test (old_file, G_FILE_TEST_EXISTS))
{
g_free (old_file);
return new_file;
}
/* less simple case: the old file still exists but the new one doesn't,
* so we rename the old one to the new one
*/
if (!g_file_test (new_file, G_FILE_TEST_EXISTS))
{
if (g_rename (old_file, new_file) == -1)
filename_warning ("Unable to rename '%s': %s",
old_file,
g_strerror (errno));
g_free (old_file);
return new_file;
}
/* complex case: both the old file and the new file exist, so we do
* a preliminary parse pass and merge the contents, then remove the
* old file
*/
bf_old = g_bookmark_file_new ();
if (!g_bookmark_file_load_from_file (bf_old, old_file, NULL))
goto unlink_and_return;
bf_new = g_bookmark_file_new ();
if (!g_bookmark_file_load_from_file (bf_new, new_file, NULL))
goto unlink_and_return;
uris = g_bookmark_file_get_uris (bf_old, &n_uris);
for (i = 0; i < n_uris; i++)
{
char *mime, *title, *description;
gboolean is_private;
char **apps;
gsize n_apps, j;
/* the new file always wins */
if (g_bookmark_file_has_item (bf_new, uris[i]))
continue;
mime = g_bookmark_file_get_mime_type (bf_old, uris[i], NULL);
title = g_bookmark_file_get_title (bf_old, uris[i], NULL);
description = g_bookmark_file_get_description (bf_old, uris[i], NULL);
is_private = g_bookmark_file_get_is_private (bf_old, uris[i], NULL);
g_bookmark_file_set_mime_type (bf_new, uris[i], mime);
if (title != NULL)
g_bookmark_file_set_title (bf_new, uris[i], title);
if (description != NULL)
g_bookmark_file_set_description (bf_new, uris[i], description);
g_free (mime);
g_free (title);
g_free (description);
g_bookmark_file_set_is_private (bf_new, uris[i], is_private);
apps = g_bookmark_file_get_applications (bf_old, uris[i], &n_apps, NULL);
for (j = 0; j < n_apps; j++)
{
char *exec;
guint count;
time_t stamp;
g_bookmark_file_get_app_info (bf_old, uris[i], apps[j],
&exec,
&count,
&stamp,
NULL);
g_bookmark_file_set_app_info (bf_new, uris[i], apps[j],
exec,
count,
stamp,
NULL);
g_free (exec);
}
g_strfreev (apps);
}
g_strfreev (uris);
/* we don't particularly care about errors here; if it fails then
* we start with a blank slate anyhow
*/
g_bookmark_file_to_file (bf_new, new_file, NULL);
unlink_and_return:
if (bf_old != NULL)
g_bookmark_file_free (bf_old);
if (bf_new != NULL)
g_bookmark_file_free (bf_new);
g_unlink (old_file);
g_free (old_file);
return new_file;
}
static void
gtk_recent_manager_set_filename (GtkRecentManager *manager,
const gchar *filename)
{
GtkRecentManagerPrivate *priv;
GFile *file;
GError *error;
g_assert (GTK_IS_RECENT_MANAGER (manager));
priv = manager->priv;
/* if a filename is already set and filename is not NULL, then copy
* it and reset the monitor; otherwise, if it's NULL we're being
* called from the finalization sequence, so we simply disconnect the
* monitoring and return.
*
* if no filename is set and filename is NULL, use the default.
*/
if (priv->filename)
{
g_free (priv->filename);
if (priv->monitor)
{
g_signal_handlers_disconnect_by_func (priv->monitor,
G_CALLBACK (gtk_recent_manager_monitor_changed),
manager);
g_object_unref (priv->monitor);
priv->monitor = NULL;
}
if (!filename || *filename == '\0')
return;
else
priv->filename = g_strdup (filename);
}
else
{
if (!filename || *filename == '\0')
priv->filename = get_default_recent_file ();
else
priv->filename = g_strdup (filename);
}
g_assert (priv->filename != NULL);
file = g_file_new_for_path (priv->filename);
error = NULL;
priv->monitor = g_file_monitor_file (file, G_FILE_MONITOR_NONE, NULL, &error);
if (error)
{
filename_warning ("Unable to monitor `%s': %s\n"
"The GtkRecentManager will not update its contents "
"if the file is changed from other instances",
priv->filename,
error->message);
g_error_free (error);
}
else
g_signal_connect (priv->monitor, "changed",
G_CALLBACK (gtk_recent_manager_monitor_changed),
manager);
g_object_unref (file);
priv->is_dirty = FALSE;
build_recent_items_list (manager);
}
/* reads the recently used resources file and builds the items list.
* we keep the items list inside the parser object, and build the
* RecentInfo object only on user's demand to avoid useless replication.
* this function resets the dirty bit of the manager.
*/
static void
build_recent_items_list (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv = manager->priv;
GError *read_error;
gint size;
g_assert (priv->filename != NULL);
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
}
/* the file exists, and it's valid (we hope); if not, destroy the container
* object and hope for a better result when the next "changed" signal is
* fired. */
read_error = NULL;
g_bookmark_file_load_from_file (priv->recent_items, priv->filename, &read_error);
if (read_error)
{
/* if the file does not exist we just wait for the first write
* operation on this recent manager instance, to avoid creating
* empty files and leading to spurious file system events (Sabayon
* will not be happy about those)
*/
if (read_error->domain == G_FILE_ERROR &&
read_error->code != G_FILE_ERROR_NOENT)
filename_warning ("Attempting to read the recently used resources "
"file at `%s', but the parser failed: %s.",
priv->filename,
read_error->message);
g_bookmark_file_free (priv->recent_items);
priv->recent_items = NULL;
g_error_free (read_error);
}
else
{
size = g_bookmark_file_get_size (priv->recent_items);
if (priv->size != size)
{
priv->size = size;
g_object_notify (G_OBJECT (manager), "size");
}
}
priv->is_dirty = FALSE;
}
/********************
* GtkRecentManager *
********************/
/**
* gtk_recent_manager_new:
*
* Creates a new recent manager object. Recent manager objects are used to
* handle the list of recently used resources. A #GtkRecentManager object
* monitors the recently used resources list, and emits the "changed" signal
* each time something inside the list changes.
*
* #GtkRecentManager objects are expensive: be sure to create them only when
* needed. You should use gtk_recent_manager_get_default() instead.
*
* Return value: A newly created #GtkRecentManager object.
*
* Since: 2.10
*/
GtkRecentManager *
gtk_recent_manager_new (void)
{
return g_object_new (GTK_TYPE_RECENT_MANAGER, NULL);
}
/**
* gtk_recent_manager_get_default:
*
* Gets a unique instance of #GtkRecentManager, that you can share
* in your application without caring about memory management. The
* returned instance will be freed when you application terminates.
*
* Return value: (transfer none): A unique #GtkRecentManager. Do not ref or unref it.
*
* Since: 2.10
*/
GtkRecentManager *
gtk_recent_manager_get_default (void)
{
if (G_UNLIKELY (!recent_manager_singleton))
recent_manager_singleton = gtk_recent_manager_new ();
return recent_manager_singleton;
}
/**
* gtk_recent_manager_get_for_screen:
* @screen: a #GdkScreen
*
* Gets the recent manager object associated with @screen; if this
* function has not previously been called for the given screen,
* a new recent manager object will be created and associated with
* the screen. Recent manager objects are fairly expensive to create,
* so using this function is usually a better choice than calling
* gtk_recent_manager_new() and setting the screen yourself; by using
* this function a single recent manager object will be shared between
* users.
*
* Return value: A unique #GtkRecentManager associated with the given
* screen. This recent manager is associated to the with the screen
* and can be used as long as the screen is open. Do not ref or
* unref it.
*
* Deprecated: 2.12: This function has been deprecated and should
* not be used in newly written code. Calling this function is
* equivalent to calling gtk_recent_manager_get_default().
*
* Since: 2.10
*/
GtkRecentManager *
gtk_recent_manager_get_for_screen (GdkScreen *screen)
{
return gtk_recent_manager_get_default ();
}
/**
* gtk_recent_manager_set_screen:
* @manager: a #GtkRecentManager
* @screen: a #GdkScreen
*
* Sets the screen for a recent manager; the screen is used to
* track the user's currently configured recently used documents
* storage.
*
* Since: 2.10
*
* Deprecated: 2.12: This function has been deprecated and should
* not be used in newly written code. Calling this function has
* no effect.
*/
void
gtk_recent_manager_set_screen (GtkRecentManager *manager,
GdkScreen *screen)
{
}
/**
* gtk_recent_manager_set_limit:
* @manager: a #GtkRecentManager
* @limit: the maximum number of items to return, or -1.
*
* Sets the maximum number of item that the gtk_recent_manager_get_items()
* function should return. If @limit is set to -1, then return all the
* items.
*
* Since: 2.10
*
* Deprecated: 2.22: The length of the list should be managed by the
* view (implementing #GtkRecentChooser), and not by the model (the
* #GtkRecentManager). See #GtkRecentChooser:limit.
*/
void
gtk_recent_manager_set_limit (GtkRecentManager *manager,
gint limit)
{
GtkRecentManagerPrivate *priv;
g_return_if_fail (GTK_IS_RECENT_MANAGER (manager));
priv = manager->priv;
priv->limit = limit;
}
/**
* gtk_recent_manager_get_limit:
* @manager: a #GtkRecentManager
*
* Gets the maximum number of items that the gtk_recent_manager_get_items()
* function should return.
*
* Return value: the number of items to return, or -1 for every item.
*
* Since: 2.10
*
* Deprecated: 2.22: The length of the list should be managed by the
* view (implementing #GtkRecentChooser), and not by the model (the
* #GtkRecentManager). See #GtkRecentChooser:limit.
*/
gint
gtk_recent_manager_get_limit (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), DEFAULT_LIMIT);
priv = manager->priv;
return priv->limit;
}
static void
gtk_recent_manager_add_item_query_info (GObject *source_object,
GAsyncResult *res,
gpointer user_data)
{
GFile *file = G_FILE (source_object);
GtkRecentManager *manager = user_data;
GtkRecentData recent_data;
GFileInfo *file_info;
gchar *uri;
uri = g_file_get_uri (file);
file_info = g_file_query_info_finish (file, res, NULL); /* NULL-GError */
recent_data.display_name = NULL;
recent_data.description = NULL;
if (file_info)
{
gchar *content_type;
content_type = g_file_info_get_attribute_as_string (file_info, G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE);
if (G_LIKELY (content_type))
recent_data.mime_type = g_content_type_get_mime_type (content_type);
else
recent_data.mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME);
g_free (content_type);
g_object_unref (file_info);
}
else
recent_data.mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME); /* FIXME: maybe we should make up the MIME type from the filename's extension */
recent_data.app_name = g_strdup (g_get_application_name ());
recent_data.app_exec = g_strjoin (" ", g_get_prgname (), "%u", NULL);
recent_data.groups = NULL;
recent_data.is_private = FALSE;
gdk_threads_enter ();
/* Ignore return value, this can't fail anyway since all required
* fields are set */
gtk_recent_manager_add_full (manager, uri, &recent_data);
manager->priv->is_dirty = TRUE;
gtk_recent_manager_changed (manager);
gdk_threads_leave ();
g_free (recent_data.mime_type);
g_free (recent_data.app_name);
g_free (recent_data.app_exec);
g_object_unref (manager);
g_free (uri);
}
/**
* gtk_recent_manager_add_item:
* @manager: a #GtkRecentManager
* @uri: a valid URI
*
* Adds a new resource, pointed by @uri, into the recently used
* resources list.
*
* This function automatically retrieves some of the needed
* metadata and setting other metadata to common default values; it
* then feeds the data to gtk_recent_manager_add_full().
*
* See gtk_recent_manager_add_full() if you want to explicitly
* define the metadata for the resource pointed by @uri.
*
* Return value: %TRUE if the new item was successfully added
* to the recently used resources list
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_add_item (GtkRecentManager *manager,
const gchar *uri)
{
GFile* file;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
file = g_file_new_for_uri (uri);
g_file_query_info_async (file,
G_FILE_ATTRIBUTE_STANDARD_FAST_CONTENT_TYPE,
G_PRIORITY_DEFAULT,
G_FILE_QUERY_INFO_NONE,
NULL,
gtk_recent_manager_add_item_query_info,
g_object_ref (manager));
g_object_unref (file);
return TRUE;
}
/**
* gtk_recent_manager_add_full:
* @manager: a #GtkRecentManager
* @uri: a valid URI
* @recent_data: metadata of the resource
*
* Adds a new resource, pointed by @uri, into the recently used
* resources list, using the metadata specified inside the #GtkRecentData
* structure passed in @recent_data.
*
* The passed URI will be used to identify this resource inside the
* list.
*
* In order to register the new recently used resource, metadata about
* the resource must be passed as well as the URI; the metadata is
* stored in a #GtkRecentData structure, which must contain the MIME
* type of the resource pointed by the URI; the name of the application
* that is registering the item, and a command line to be used when
* launching the item.
*
* Optionally, a #GtkRecentData structure might contain a UTF-8 string
* to be used when viewing the item instead of the last component of the
* URI; a short description of the item; whether the item should be
* considered private - that is, should be displayed only by the
* applications that have registered it.
*
* Return value: %TRUE if the new item was successfully added to the
* recently used resources list, %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_add_full (GtkRecentManager *manager,
const gchar *uri,
const GtkRecentData *data)
{
GtkRecentManagerPrivate *priv;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (data != NULL, FALSE);
/* sanity checks */
if ((data->display_name) &&
(!g_utf8_validate (data->display_name, -1, NULL)))
{
g_warning ("Attempting to add `%s' to the list of recently used "
"resources, but the display name is not a valid UTF-8 "
"encoded string",
uri);
return FALSE;
}
if ((data->description) &&
(!g_utf8_validate (data->description, -1, NULL)))
{
g_warning ("Attempting to add `%s' to the list of recently used "
"resources, but the description is not a valid UTF-8 "
"encoded string",
uri);
return FALSE;
}
if (!data->mime_type)
{
g_warning ("Attempting to add `%s' to the list of recently used "
"resources, but not MIME type was defined",
uri);
return FALSE;
}
if (!data->app_name)
{
g_warning ("Attempting to add `%s' to the list of recently used "
"resources, but no name of the application that is "
"registering it was defined",
uri);
return FALSE;
}
if (!data->app_exec)
{
g_warning ("Attempting to add `%s' to the list of recently used "
"resources, but no command line for the application "
"that is registering it was defined",
uri);
return FALSE;
}
priv = manager->priv;
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
}
if (data->display_name)
g_bookmark_file_set_title (priv->recent_items, uri, data->display_name);
if (data->description)
g_bookmark_file_set_description (priv->recent_items, uri, data->description);
g_bookmark_file_set_mime_type (priv->recent_items, uri, data->mime_type);
if (data->groups && data->groups[0] != '\0')
{
gint j;
for (j = 0; (data->groups)[j] != NULL; j++)
g_bookmark_file_add_group (priv->recent_items, uri, (data->groups)[j]);
}
/* register the application; this will take care of updating the
* registration count and time in case the application has
* already registered the same document inside the list
*/
g_bookmark_file_add_application (priv->recent_items, uri,
data->app_name,
data->app_exec);
g_bookmark_file_set_is_private (priv->recent_items, uri,
data->is_private);
/* mark us as dirty, so that when emitting the "changed" signal we
* will dump our changes
*/
priv->is_dirty = TRUE;
gtk_recent_manager_changed (manager);
return TRUE;
}
/**
* gtk_recent_manager_remove_item:
* @manager: a #GtkRecentManager
* @uri: the URI of the item you wish to remove
* @error: (allow-none): return location for a #GError, or %NULL
*
* Removes a resource pointed by @uri from the recently used resources
* list handled by a recent manager.
*
* Return value: %TRUE if the item pointed by @uri has been successfully
* removed by the recently used resources list, and %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_remove_item (GtkRecentManager *manager,
const gchar *uri,
GError **error)
{
GtkRecentManagerPrivate *priv;
GError *remove_error = NULL;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
priv = manager->priv;
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return FALSE;
}
g_bookmark_file_remove_item (priv->recent_items, uri, &remove_error);
if (remove_error)
{
g_error_free (remove_error);
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return FALSE;
}
priv->is_dirty = TRUE;
gtk_recent_manager_changed (manager);
return TRUE;
}
/**
* gtk_recent_manager_has_item:
* @manager: a #GtkRecentManager
* @uri: a URI
*
* Checks whether there is a recently used resource registered
* with @uri inside the recent manager.
*
* Return value: %TRUE if the resource was found, %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_has_item (GtkRecentManager *manager,
const gchar *uri)
{
GtkRecentManagerPrivate *priv;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
priv = manager->priv;
g_return_val_if_fail (priv->recent_items != NULL, FALSE);
return g_bookmark_file_has_item (priv->recent_items, uri);
}
static void
build_recent_info (GBookmarkFile *bookmarks,
GtkRecentInfo *info)
{
gchar **apps, **groups;
gsize apps_len, groups_len, i;
g_assert (bookmarks != NULL);
g_assert (info != NULL);
info->display_name = g_bookmark_file_get_title (bookmarks, info->uri, NULL);
info->description = g_bookmark_file_get_description (bookmarks, info->uri, NULL);
info->mime_type = g_bookmark_file_get_mime_type (bookmarks, info->uri, NULL);
info->is_private = g_bookmark_file_get_is_private (bookmarks, info->uri, NULL);
info->added = g_bookmark_file_get_added (bookmarks, info->uri, NULL);
info->modified = g_bookmark_file_get_modified (bookmarks, info->uri, NULL);
info->visited = g_bookmark_file_get_visited (bookmarks, info->uri, NULL);
groups = g_bookmark_file_get_groups (bookmarks, info->uri, &groups_len, NULL);
for (i = 0; i < groups_len; i++)
{
gchar *group_name = g_strdup (groups[i]);
info->groups = g_slist_append (info->groups, group_name);
}
g_strfreev (groups);
apps = g_bookmark_file_get_applications (bookmarks, info->uri, &apps_len, NULL);
for (i = 0; i < apps_len; i++)
{
gchar *app_name, *app_exec;
guint count;
time_t stamp;
RecentAppInfo *app_info;
gboolean res;
app_name = apps[i];
res = g_bookmark_file_get_app_info (bookmarks, info->uri, app_name,
&app_exec,
&count,
&stamp,
NULL);
if (!res)
continue;
app_info = recent_app_info_new (app_name);
app_info->exec = app_exec;
app_info->count = count;
app_info->stamp = stamp;
info->applications = g_slist_prepend (info->applications, app_info);
g_hash_table_replace (info->apps_lookup, app_info->name, app_info);
}
g_strfreev (apps);
}
/**
* gtk_recent_manager_lookup_item:
* @manager: a #GtkRecentManager
* @uri: a URI
* @error: (allow-none): a return location for a #GError, or %NULL
*
* Searches for a URI inside the recently used resources list, and
* returns a structure containing informations about the resource
* like its MIME type, or its display name.
*
* Return value: a #GtkRecentInfo structure containing information
* about the resource pointed by @uri, or %NULL if the URI was
* not registered in the recently used resources list. Free with
* gtk_recent_info_unref().
*
* Since: 2.10
*/
GtkRecentInfo *
gtk_recent_manager_lookup_item (GtkRecentManager *manager,
const gchar *uri,
GError **error)
{
GtkRecentManagerPrivate *priv;
GtkRecentInfo *info = NULL;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL);
g_return_val_if_fail (uri != NULL, NULL);
g_return_val_if_fail (error == NULL || *error == NULL, NULL);
priv = manager->priv;
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return NULL;
}
if (!g_bookmark_file_has_item (priv->recent_items, uri))
{
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return NULL;
}
info = gtk_recent_info_new (uri);
g_return_val_if_fail (info != NULL, NULL);
/* fill the RecentInfo structure with the data retrieved by our
* parser object from the storage file
*/
build_recent_info (priv->recent_items, info);
return info;
}
/**
* gtk_recent_manager_move_item:
* @manager: a #GtkRecentManager
* @uri: the URI of a recently used resource
* @new_uri: (allow-none): the new URI of the recently used resource, or %NULL to
* remove the item pointed by @uri in the list
* @error: (allow-none): a return location for a #GError, or %NULL
*
* Changes the location of a recently used resource from @uri to @new_uri.
*
* Please note that this function will not affect the resource pointed
* by the URIs, but only the URI used in the recently used resources list.
*
* Return value: %TRUE on success.
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_move_item (GtkRecentManager *recent_manager,
const gchar *uri,
const gchar *new_uri,
GError **error)
{
GtkRecentManagerPrivate *priv;
GError *move_error;
gboolean res;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (recent_manager), FALSE);
g_return_val_if_fail (uri != NULL, FALSE);
g_return_val_if_fail (error == NULL || *error == NULL, FALSE);
priv = recent_manager->priv;
if (!priv->recent_items)
{
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return FALSE;
}
if (!g_bookmark_file_has_item (priv->recent_items, uri))
{
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return FALSE;
}
move_error = NULL;
res = g_bookmark_file_move_item (priv->recent_items,
uri, new_uri,
&move_error);
if (move_error)
{
g_error_free (move_error);
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return FALSE;
}
priv->is_dirty = TRUE;
gtk_recent_manager_changed (recent_manager);
return TRUE;
}
/**
* gtk_recent_manager_get_items:
* @manager: a #GtkRecentManager
*
* Gets the list of recently used resources.
*
* Return value: (element-type GtkRecentInfo) (transfer full): a list of
* newly allocated #GtkRecentInfo objects. Use
* gtk_recent_info_unref() on each item inside the list, and then
* free the list itself using g_list_free().
*
* Since: 2.10
*/
GList *
gtk_recent_manager_get_items (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv;
GList *retval = NULL;
gchar **uris;
gsize uris_len, i;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL);
priv = manager->priv;
if (!priv->recent_items)
return NULL;
uris = g_bookmark_file_get_uris (priv->recent_items, &uris_len);
for (i = 0; i < uris_len; i++)
{
GtkRecentInfo *info;
info = gtk_recent_info_new (uris[i]);
build_recent_info (priv->recent_items, info);
retval = g_list_prepend (retval, info);
}
g_strfreev (uris);
return retval;
}
static void
purge_recent_items_list (GtkRecentManager *manager,
GError **error)
{
GtkRecentManagerPrivate *priv = manager->priv;
if (priv->recent_items == NULL)
return;
g_bookmark_file_free (priv->recent_items);
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
/* emit the changed signal, to ensure that the purge is written */
priv->is_dirty = TRUE;
gtk_recent_manager_changed (manager);
}
/**
* gtk_recent_manager_purge_items:
* @manager: a #GtkRecentManager
* @error: (allow-none): a return location for a #GError, or %NULL
*
* Purges every item from the recently used resources list.
*
* Return value: the number of items that have been removed from the
* recently used resources list.
*
* Since: 2.10
*/
gint
gtk_recent_manager_purge_items (GtkRecentManager *manager,
GError **error)
{
GtkRecentManagerPrivate *priv;
gint count, purged;
g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), -1);
priv = manager->priv;
if (!priv->recent_items)
return 0;
count = g_bookmark_file_get_size (priv->recent_items);
if (!count)
return 0;
purge_recent_items_list (manager, error);
purged = count - g_bookmark_file_get_size (priv->recent_items);
return purged;
}
static gboolean
emit_manager_changed (gpointer data)
{
GtkRecentManager *manager = data;
manager->priv->changed_age = 0;
manager->priv->changed_timeout = 0;
g_signal_emit (manager, signal_changed, 0);
return FALSE;
}
static void
gtk_recent_manager_changed (GtkRecentManager *manager)
{
/* coalesce consecutive changes
*
* we schedule a write in 250 msecs immediately; if we get more than one
* request per millisecond before the timeout has a chance to run, we
* schedule an emission immediately.
*/
if (manager->priv->changed_timeout == 0)
manager->priv->changed_timeout = gdk_threads_add_timeout (250, emit_manager_changed, manager);
else
{
manager->priv->changed_age += 1;
if (manager->priv->changed_age > 250)
{
g_source_remove (manager->priv->changed_timeout);
g_signal_emit (manager, signal_changed, 0);
manager->priv->changed_age = 0;
manager->priv->changed_timeout = 0;
}
}
}
static void
gtk_recent_manager_clamp_to_age (GtkRecentManager *manager,
gint age)
{
GtkRecentManagerPrivate *priv = manager->priv;
gchar **uris;
gsize n_uris, i;
time_t now;
if (G_UNLIKELY (!priv->recent_items))
return;
now = time (NULL);
uris = g_bookmark_file_get_uris (priv->recent_items, &n_uris);
for (i = 0; i < n_uris; i++)
{
const gchar *uri = uris[i];
time_t modified;
gint item_age;
modified = g_bookmark_file_get_modified (priv->recent_items, uri, NULL);
item_age = (gint) ((now - modified) / (60 * 60 * 24));
if (item_age > age)
g_bookmark_file_remove_item (priv->recent_items, uri, NULL);
}
g_strfreev (uris);
}
static void
gtk_recent_manager_clamp_to_size (GtkRecentManager *manager,
const gint size)
{
GtkRecentManagerPrivate *priv = manager->priv;
gchar **uris;
gsize n_uris, i;
if (G_UNLIKELY (!priv->recent_items) || G_UNLIKELY (size < 0))
return;
uris = g_bookmark_file_get_uris (priv->recent_items, &n_uris);
if (n_uris < size)
{
g_strfreev (uris);
return;
}
for (i = 0; i < n_uris - size; i++)
{
const gchar *uri = uris[i];
g_bookmark_file_remove_item (priv->recent_items, uri, NULL);
}
g_strfreev (uris);
}
/*****************
* GtkRecentInfo *
*****************/
GType
gtk_recent_info_get_type (void)
{
static GType info_type = 0;
if (!info_type)
info_type = g_boxed_type_register_static (I_("GtkRecentInfo"),
(GBoxedCopyFunc) gtk_recent_info_ref,
(GBoxedFreeFunc) gtk_recent_info_unref);
return info_type;
}
static GtkRecentInfo *
gtk_recent_info_new (const gchar *uri)
{
GtkRecentInfo *info;
g_assert (uri != NULL);
info = g_new0 (GtkRecentInfo, 1);
info->uri = g_strdup (uri);
info->applications = NULL;
info->apps_lookup = g_hash_table_new (g_str_hash, g_str_equal);
info->groups = NULL;
info->ref_count = 1;
return info;
}
static void
gtk_recent_info_free (GtkRecentInfo *recent_info)
{
if (!recent_info)
return;
g_free (recent_info->uri);
g_free (recent_info->display_name);
g_free (recent_info->description);
g_free (recent_info->mime_type);
if (recent_info->applications)
{
g_slist_foreach (recent_info->applications,
(GFunc) recent_app_info_free,
NULL);
g_slist_free (recent_info->applications);
recent_info->applications = NULL;
}
if (recent_info->apps_lookup)
g_hash_table_destroy (recent_info->apps_lookup);
if (recent_info->groups)
{
g_slist_foreach (recent_info->groups,
(GFunc) g_free,
NULL);
g_slist_free (recent_info->groups);
recent_info->groups = NULL;
}
if (recent_info->icon)
g_object_unref (recent_info->icon);
g_free (recent_info);
}
/**
* gtk_recent_info_ref:
* @info: a #GtkRecentInfo
*
* Increases the reference count of @recent_info by one.
*
* Return value: the recent info object with its reference count increased
* by one.
*
* Since: 2.10
*/
GtkRecentInfo *
gtk_recent_info_ref (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
g_return_val_if_fail (info->ref_count > 0, NULL);
info->ref_count += 1;
return info;
}
/**
* gtk_recent_info_unref:
* @info: a #GtkRecentInfo
*
* Decreases the reference count of @info by one. If the reference
* count reaches zero, @info is deallocated, and the memory freed.
*
* Since: 2.10
*/
void
gtk_recent_info_unref (GtkRecentInfo *info)
{
g_return_if_fail (info != NULL);
g_return_if_fail (info->ref_count > 0);
info->ref_count -= 1;
if (info->ref_count == 0)
gtk_recent_info_free (info);
}
/**
* gtk_recent_info_get_uri:
* @info: a #GtkRecentInfo
*
* Gets the URI of the resource.
*
* Return value: the URI of the resource. The returned string is
* owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
const gchar *
gtk_recent_info_get_uri (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
return info->uri;
}
/**
* gtk_recent_info_get_display_name:
* @info: a #GtkRecentInfo
*
* Gets the name of the resource. If none has been defined, the basename
* of the resource is obtained.
*
* Return value: the display name of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
const gchar *
gtk_recent_info_get_display_name (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
if (!info->display_name)
info->display_name = gtk_recent_info_get_short_name (info);
return info->display_name;
}
/**
* gtk_recent_info_get_description:
* @info: a #GtkRecentInfo
*
* Gets the (short) description of the resource.
*
* Return value: the description of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
**/
const gchar *
gtk_recent_info_get_description (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
return info->description;
}
/**
* gtk_recent_info_get_mime_type:
* @info: a #GtkRecentInfo
*
* Gets the MIME type of the resource.
*
* Return value: the MIME type of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
const gchar *
gtk_recent_info_get_mime_type (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
if (!info->mime_type)
info->mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME);
return info->mime_type;
}
/**
* gtk_recent_info_get_added:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from system's Epoch) when the resource
* was added to the recently used resources list.
*
* Return value: the number of seconds elapsed from system's Epoch when
* the resource was added to the list, or -1 on failure.
*
* Since: 2.10
*/
time_t
gtk_recent_info_get_added (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, (time_t) -1);
return info->added;
}
/**
* gtk_recent_info_get_modified:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from system's Epoch) when the resource
* was last modified.
*
* Return value: the number of seconds elapsed from system's Epoch when
* the resource was last modified, or -1 on failure.
*
* Since: 2.10
*/
time_t
gtk_recent_info_get_modified (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, (time_t) -1);
return info->modified;
}
/**
* gtk_recent_info_get_visited:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from system's Epoch) when the resource
* was last visited.
*
* Return value: the number of seconds elapsed from system's Epoch when
* the resource was last visited, or -1 on failure.
*
* Since: 2.10
*/
time_t
gtk_recent_info_get_visited (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, (time_t) -1);
return info->visited;
}
/**
* gtk_recent_info_get_private_hint:
* @info: a #GtkRecentInfo
*
* Gets the value of the "private" flag. Resources in the recently used
* list that have this flag set to %TRUE should only be displayed by the
* applications that have registered them.
*
* Return value: %TRUE if the private flag was found, %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_info_get_private_hint (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, FALSE);
return info->is_private;
}
static RecentAppInfo *
recent_app_info_new (const gchar *app_name)
{
RecentAppInfo *app_info;
g_assert (app_name != NULL);
app_info = g_slice_new0 (RecentAppInfo);
app_info->name = g_strdup (app_name);
app_info->exec = NULL;
app_info->count = 1;
app_info->stamp = 0;
return app_info;
}
static void
recent_app_info_free (RecentAppInfo *app_info)
{
if (!app_info)
return;
g_free (app_info->name);
g_free (app_info->exec);
g_slice_free (RecentAppInfo, app_info);
}
/**
* gtk_recent_info_get_application_info:
* @info: a #GtkRecentInfo
* @app_name: the name of the application that has registered this item
* @app_exec: (transfer none) (out): return location for the string containing the command line
* @count: (out): return location for the number of times this item was registered
* @time_: (out): return location for the timestamp this item was last registered
* for this application
*
* Gets the data regarding the application that has registered the resource
* pointed by @info.
*
* If the command line contains any escape characters defined inside the
* storage specification, they will be expanded.
*
* Return value: %TRUE if an application with @app_name has registered this
* resource inside the recently used list, or %FALSE otherwise. The
* @app_exec string is owned by the #GtkRecentInfo and should not be
* modified or freed
*
* Since: 2.10
*/
gboolean
gtk_recent_info_get_application_info (GtkRecentInfo *info,
const gchar *app_name,
const gchar **app_exec,
guint *count,
time_t *time_)
{
RecentAppInfo *ai;
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (app_name != NULL, FALSE);
ai = (RecentAppInfo *) g_hash_table_lookup (info->apps_lookup,
app_name);
if (!ai)
{
g_warning ("No registered application with name '%s' "
"for item with URI '%s' found",
app_name,
info->uri);
return FALSE;
}
if (app_exec)
*app_exec = ai->exec;
if (count)
*count = ai->count;
if (time_)
*time_ = ai->stamp;
return TRUE;
}
/**
* gtk_recent_info_get_applications:
* @info: a #GtkRecentInfo
* @length: (out) (allow-none): return location for the length of the returned list
*
* Retrieves the list of applications that have registered this resource.
*
* Return value: (array length=length zero-terminated=1) (transfer full):
* a newly allocated %NULL-terminated array of strings.
* Use g_strfreev() to free it.
*
* Since: 2.10
*/
gchar **
gtk_recent_info_get_applications (GtkRecentInfo *info,
gsize *length)
{
GSList *l;
gchar **retval;
gsize n_apps, i;
g_return_val_if_fail (info != NULL, NULL);
if (!info->applications)
{
if (length)
*length = 0;
return NULL;
}
n_apps = g_slist_length (info->applications);
retval = g_new0 (gchar *, n_apps + 1);
for (l = info->applications, i = 0;
l != NULL;
l = l->next)
{
RecentAppInfo *ai = (RecentAppInfo *) l->data;
g_assert (ai != NULL);
retval[i++] = g_strdup (ai->name);
}
retval[i] = NULL;
if (length)
*length = i;
return retval;
}
/**
* gtk_recent_info_has_application:
* @info: a #GtkRecentInfo
* @app_name: a string containing an application name
*
* Checks whether an application registered this resource using @app_name.
*
* Return value: %TRUE if an application with name @app_name was found,
* %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_info_has_application (GtkRecentInfo *info,
const gchar *app_name)
{
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (app_name != NULL, FALSE);
return (NULL != g_hash_table_lookup (info->apps_lookup, app_name));
}
/**
* gtk_recent_info_last_application:
* @info: a #GtkRecentInfo
*
* Gets the name of the last application that have registered the
* recently used resource represented by @info.
*
* Return value: an application name. Use g_free() to free it.
*
* Since: 2.10
*/
gchar *
gtk_recent_info_last_application (GtkRecentInfo *info)
{
GSList *l;
time_t last_stamp = (time_t) -1;
gchar *name = NULL;
g_return_val_if_fail (info != NULL, NULL);
for (l = info->applications; l != NULL; l = l->next)
{
RecentAppInfo *ai = (RecentAppInfo *) l->data;
if (ai->stamp > last_stamp)
{
name = ai->name;
last_stamp = ai->stamp;
}
}
return g_strdup (name);
}
static GdkPixbuf *
get_icon_for_mime_type (const char *mime_type,
gint pixel_size)
{
GtkIconTheme *icon_theme;
char *content_type;
GIcon *icon;
GtkIconInfo *info;
GdkPixbuf *pixbuf;
icon_theme = gtk_icon_theme_get_default ();
content_type = g_content_type_from_mime_type (mime_type);
if (!content_type)
return NULL;
icon = g_content_type_get_icon (content_type);
info = gtk_icon_theme_lookup_by_gicon (icon_theme,
icon,
pixel_size,
GTK_ICON_LOOKUP_USE_BUILTIN);
g_free (content_type);
g_object_unref (icon);
if (!info)
return NULL;
pixbuf = gtk_icon_info_load_icon (info, NULL);
gtk_icon_info_free (info);
return pixbuf;
}
static GdkPixbuf *
get_icon_fallback (const gchar *icon_name,
gint size)
{
GtkIconTheme *icon_theme;
GdkPixbuf *retval;
icon_theme = gtk_icon_theme_get_default ();
retval = gtk_icon_theme_load_icon (icon_theme, icon_name,
size,
GTK_ICON_LOOKUP_USE_BUILTIN,
NULL);
g_assert (retval != NULL);
return retval;
}
/**
* gtk_recent_info_get_icon:
* @info: a #GtkRecentInfo
* @size: the size of the icon in pixels
*
* Retrieves the icon of size @size associated to the resource MIME type.
*
* Return value: (transfer full): a #GdkPixbuf containing the icon,
* or %NULL. Use g_object_unref() when finished using the icon.
*
* Since: 2.10
*/
GdkPixbuf *
gtk_recent_info_get_icon (GtkRecentInfo *info,
gint size)
{
GdkPixbuf *retval = NULL;
g_return_val_if_fail (info != NULL, NULL);
if (info->mime_type)
retval = get_icon_for_mime_type (info->mime_type, size);
/* this function should never fail */
if (!retval)
{
if (info->mime_type &&
strcmp (info->mime_type, "x-directory/normal") == 0)
retval = get_icon_fallback ("folder", size);
else
retval = get_icon_fallback ("text-x-generic", size);
}
return retval;
}
/**
* gtk_recent_info_is_local:
* @info: a #GtkRecentInfo
*
* Checks whether the resource is local or not by looking at the
* scheme of its URI.
*
* Return value: %TRUE if the resource is local.
*
* Since: 2.10
*/
gboolean
gtk_recent_info_is_local (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, FALSE);
return has_case_prefix (info->uri, "file:/");
}
/**
* gtk_recent_info_exists:
* @info: a #GtkRecentInfo
*
* Checks whether the resource pointed by @info still exists. At
* the moment this check is done only on resources pointing to local files.
*
* Return value: %TRUE if the resource exists
*
* Since: 2.10
*/
gboolean
gtk_recent_info_exists (GtkRecentInfo *info)
{
gchar *filename;
GStatBuf stat_buf;
gboolean retval = FALSE;
g_return_val_if_fail (info != NULL, FALSE);
/* we guarantee only local resources */
if (!gtk_recent_info_is_local (info))
return FALSE;
filename = g_filename_from_uri (info->uri, NULL, NULL);
if (filename)
{
if (g_stat (filename, &stat_buf) == 0)
retval = TRUE;
g_free (filename);
}
return retval;
}
/**
* gtk_recent_info_match:
* @info_a: a #GtkRecentInfo
* @info_b: a #GtkRecentInfo
*
* Checks whether two #GtkRecentInfo structures point to the same
* resource.
*
* Return value: %TRUE if both #GtkRecentInfo structures point to se same
* resource, %FALSE otherwise.
*
* Since: 2.10
*/
gboolean
gtk_recent_info_match (GtkRecentInfo *info_a,
GtkRecentInfo *info_b)
{
g_return_val_if_fail (info_a != NULL, FALSE);
g_return_val_if_fail (info_b != NULL, FALSE);
return (0 == strcmp (info_a->uri, info_b->uri));
}
/* taken from gnome-vfs-uri.c */
static const gchar *
get_method_string (const gchar *substring,
gchar **method_string)
{
const gchar *p;
char *method;
for (p = substring;
g_ascii_isalnum (*p) || *p == '+' || *p == '-' || *p == '.';
p++)
;
if (*p == ':'
#ifdef G_OS_WIN32
&&
!(p == substring + 1 && g_ascii_isalpha (*substring))
#endif
)
{
/* Found toplevel method specification. */
method = g_strndup (substring, p - substring);
*method_string = g_ascii_strdown (method, -1);
g_free (method);
p++;
}
else
{
*method_string = g_strdup ("file");
p = substring;
}
return p;
}
/* Stolen from gnome_vfs_make_valid_utf8() */
static char *
make_valid_utf8 (const char *name)
{
GString *string;
const char *remainder, *invalid;
int remaining_bytes, valid_bytes;
string = NULL;
remainder = name;
remaining_bytes = name ? strlen (name) : 0;
while (remaining_bytes != 0)
{
if (g_utf8_validate (remainder, remaining_bytes, &invalid))
break;
valid_bytes = invalid - remainder;
if (string == NULL)
string = g_string_sized_new (remaining_bytes);
g_string_append_len (string, remainder, valid_bytes);
g_string_append_c (string, '?');
remaining_bytes -= valid_bytes + 1;
remainder = invalid + 1;
}
if (string == NULL)
return g_strdup (name);
g_string_append (string, remainder);
g_assert (g_utf8_validate (string->str, -1, NULL));
return g_string_free (string, FALSE);
}
static gchar *
get_uri_shortname_for_display (const gchar *uri)
{
gchar *name = NULL;
gboolean validated = FALSE;
if (has_case_prefix (uri, "file:/"))
{
gchar *local_file;
local_file = g_filename_from_uri (uri, NULL, NULL);
if (local_file)
{
name = g_filename_display_basename (local_file);
validated = TRUE;
}
g_free (local_file);
}
if (!name)
{
gchar *method;
gchar *local_file;
const gchar *rest;
rest = get_method_string (uri, &method);
local_file = g_filename_display_basename (rest);
name = g_strconcat (method, ": ", local_file, NULL);
g_free (local_file);
g_free (method);
}
g_assert (name != NULL);
if (!validated && !g_utf8_validate (name, -1, NULL))
{
gchar *utf8_name;
utf8_name = make_valid_utf8 (name);
g_free (name);
name = utf8_name;
}
return name;
}
/**
* gtk_recent_info_get_short_name:
* @info: an #GtkRecentInfo
*
* Computes a valid UTF-8 string that can be used as the name of the item in a
* menu or list. For example, calling this function on an item that refers to
* "file:///foo/bar.txt" will yield "bar.txt".
*
* Return value: A newly-allocated string in UTF-8 encoding; free it with
* g_free().
*
* Since: 2.10
*/
gchar *
gtk_recent_info_get_short_name (GtkRecentInfo *info)
{
gchar *short_name;
g_return_val_if_fail (info != NULL, NULL);
if (info->uri == NULL)
return NULL;
short_name = get_uri_shortname_for_display (info->uri);
return short_name;
}
/**
* gtk_recent_info_get_uri_display:
* @info: a #GtkRecentInfo
*
* Gets a displayable version of the resource's URI. If the resource
* is local, it returns a local path; if the resource is not local,
* it returns the UTF-8 encoded content of gtk_recent_info_get_uri().
*
* Return value: a newly allocated UTF-8 string containing the
* resource's URI or %NULL. Use g_free() when done using it.
*
* Since: 2.10
*/
gchar *
gtk_recent_info_get_uri_display (GtkRecentInfo *info)
{
gchar *retval;
g_return_val_if_fail (info != NULL, NULL);
retval = NULL;
if (gtk_recent_info_is_local (info))
{
gchar *filename;
filename = g_filename_from_uri (info->uri, NULL, NULL);
if (!filename)
return NULL;
retval = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_free (filename);
}
else
{
retval = make_valid_utf8 (info->uri);
}
return retval;
}
/**
* gtk_recent_info_get_age:
* @info: a #GtkRecentInfo
*
* Gets the number of days elapsed since the last update of the resource
* pointed by @info.
*
* Return value: a positive integer containing the number of days elapsed
* since the time this resource was last modified.
*
* Since: 2.10
*/
gint
gtk_recent_info_get_age (GtkRecentInfo *info)
{
time_t now, delta;
gint retval;
g_return_val_if_fail (info != NULL, -1);
now = time (NULL);
delta = now - info->modified;
retval = (gint) (delta / (60 * 60 * 24));
return retval;
}
/**
* gtk_recent_info_get_groups:
* @info: a #GtkRecentInfo
* @length: (out) (allow-none): return location for the number of groups returned
*
* Returns all groups registered for the recently used item @info. The
* array of returned group names will be %NULL terminated, so length might
* optionally be %NULL.
*
* Return value: (array length=length zero-terminated=1) (transfer full):
* a newly allocated %NULL terminated array of strings.
* Use g_strfreev() to free it.
*
* Since: 2.10
*/
gchar **
gtk_recent_info_get_groups (GtkRecentInfo *info,
gsize *length)
{
GSList *l;
gchar **retval;
gsize n_groups, i;
g_return_val_if_fail (info != NULL, NULL);
if (!info->groups)
{
if (length)
*length = 0;
return NULL;
}
n_groups = g_slist_length (info->groups);
retval = g_new0 (gchar *, n_groups + 1);
for (l = info->groups, i = 0;
l != NULL;
l = l->next)
{
gchar *group_name = (gchar *) l->data;
g_assert (group_name != NULL);
retval[i++] = g_strdup (group_name);
}
retval[i] = NULL;
if (length)
*length = i;
return retval;
}
/**
* gtk_recent_info_has_group:
* @info: a #GtkRecentInfo
* @group_name: name of a group
*
* Checks whether @group_name appears inside the groups registered for the
* recently used item @info.
*
* Return value: %TRUE if the group was found.
*
* Since: 2.10
*/
gboolean
gtk_recent_info_has_group (GtkRecentInfo *info,
const gchar *group_name)
{
GSList *l;
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (group_name != NULL, FALSE);
if (!info->groups)
return FALSE;
for (l = info->groups; l != NULL; l = l->next)
{
gchar *g = (gchar *) l->data;
if (strcmp (g, group_name) == 0)
return TRUE;
}
return FALSE;
}
/*
* _gtk_recent_manager_sync:
*
* Private function for synchronising the recent manager singleton.
*/
void
_gtk_recent_manager_sync (void)
{
if (recent_manager_singleton)
{
/* force a dump of the contents of the recent manager singleton */
recent_manager_singleton->priv->is_dirty = TRUE;
gtk_recent_manager_real_changed (recent_manager_singleton);
}
}
#define __GTK_RECENT_MANAGER_C__
#include "gtkaliasdef.c"
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