AuroraMiddleware/gtk2
1
0
Fork 0
forked from AuroraMiddleware/gtk
Code Issues Pull Requests Projects Releases Wiki Activity
5084739756
gtk2/gtk/gtkrecentmanager.c
Alexander Larsson e274dbbdce Ensure we always grab the gdk lock in async callbacks 
Async callbacks are delivered in idles, so we need to make sure
we get the gdk lock before calling any gdk/gtk stuff. This was
missing in a few places.
2011-03-28 12:49:17 +02:00

2476 lines
63 KiB
C
Raw Blame History

/* 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,
*/
/**
* SECTION:gtkrecentmanager
* @Title: GtkRecentManager
* @short_description: Managing recently used files
* @See_Also: #GBookmarkFile, #GtkSettings, #GtkRecentChooser
*
* #GtkRecentManager provides a facility for adding, removing and
* looking up recently used files. Each recently used file is
* identified by its URI, and has meta-data associated to it, like
* the names and command lines of the applications that have
* registered it, the number of time each application has registered
* the same file, the mime type of the file and whether the file
* should be displayed only by the applications that have
* registered it.
*
* <note><para>The recently used files list is per user.</para></note>
*
* The #GtkRecentManager acts like a database of all the recently
* used files. You can create new #GtkRecentManager objects, but
* it is more efficient to use the default manager created by GTK+.
*
* Adding a new recently used file is as simple as:
*
* |[
* GtkRecentManager *manager;
*
* manager = gtk_recent_manager_get_default ();
* gtk_recent_manager_add_item (manager, file_uri);
* ]|
*
* The #GtkRecentManager will try to gather all the needed information
* from the file itself through GIO.
*
* Looking up the meta-data associated with a recently used file
* given its URI requires calling gtk_recent_manager_lookup_item():
*
* |[
* GtkRecentManager *manager;
* GtkRecentInfo *info;
* GError *error = NULL;
*
* manager = gtk_recent_manager_get_default ();
* info = gtk_recent_manager_lookup_item (manager, file_uri, &amp;error);
* if (error)
* {
* g_warning ("Could not find the file: &percnt;s", error-&gt;message);
* g_error_free (error);
* }
* else
* {
* /&ast; Use the info object &ast;/
* gtk_recent_info_unref (info);
* }
* ]|
*
* In order to retrieve the list of recently used files, you can use
* gtk_recent_manager_get_items(), which returns a list of #GtkRecentInfo
* structures.
*
* A #GtkRecentManager is the model used to populate the contents of
* one, or more #GtkRecentChooser implementations.
*
* <note><para>The maximum age of the recently used files list is
* controllable through the #GtkSettings:gtk-recent-files-max-age
* property.</para></note>
*
* Recently used files are supported since GTK+ 2.10.
*/
#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 "gtksettings.h"
#include "gtkstock.h"
#include "gtkicontheme.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtkmarshalers.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
/* 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;
/**
* GtkRecentInfo:
*
* #GtkRecentInfo is an opaque data structure
* whose members can only be accessed using the provided API.
*
* #GtkRecentInfo constains all the meta-data
* associated with an entry in the recently used files list.
*
* Since: 2.10
*/
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;
};
struct _GtkRecentManagerPrivate
{
gchar *filename;
guint is_dirty : 1;
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 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: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, either by calling gtk_recent_manager_add_item() or by another
* application.
*
* 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 = G_TYPE_INSTANCE_GET_PRIVATE (manager,
GTK_TYPE_RECENT_MANAGER,
GtkRecentManagerPrivate);
priv = manager->priv;
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;
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_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;
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 ();
}
}
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;
}
}
static gchar *
get_default_filename (void)
{
return g_build_filename (g_get_user_data_dir (),
GTK_RECENTLY_USED_FILE,
NULL);
}
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_filename ();
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.
*
* 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;
}
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;
GError *error;
uri = g_file_get_uri (file);
error = NULL;
file_info = g_file_query_info_finish (file, res, &error);
if (error)
{
g_warning ("Unable to retrieve the file info for `%s': %s",
uri,
error->message);
g_error_free (error);
goto out;
}
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);
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);
out:
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;
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;
if (!g_bookmark_file_move_item (priv->recent_items,
uri,
new_uri,
&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);
}
/*****************
* GtkRecentInfo *
*****************/
G_DEFINE_BOXED_TYPE (GtkRecentInfo, gtk_recent_info,
gtk_recent_info_ref,
gtk_recent_info_unref)
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
*/
G_CONST_RETURN 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
*/
G_CONST_RETURN 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
**/
G_CONST_RETURN 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
*/
G_CONST_RETURN 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_get_gicon:
* @info: a #GtkRecentInfo
*
* Retrieves the icon associated to the resource MIME type.
*
* Return value: (transfer full): a #GIcon containing the icon, or %NULL. Use
* g_object_unref() when finished using the icon
*
* Since: 2.22
*/
GIcon *
gtk_recent_info_get_gicon (GtkRecentInfo *info)
{
GIcon *icon = NULL;
gchar *content_type;
g_return_val_if_fail (info != NULL, NULL);
if (info->mime_type != NULL &&
(content_type = g_content_type_from_mime_type (info->mime_type)) != NULL)
{
icon = g_content_type_get_icon (content_type);
g_free (content_type);
}
return icon;
}
/**
* 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;
struct stat 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 (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_info_create_app_info:
* @info: a #GtkRecentInfo
* @app_name: (allow-none): the name of the application that should
* be mapped to a #GAppInfo; if %NULL is used then the default
* application for the MIME type is used
* @error: (allow-none): return location for a #GError, or %NULL
*
* Creates a #GAppInfo for the specified #GtkRecentInfo
*
* Return value: (transfer full): the newly created #GAppInfo, or %NULL.
* In case of error, @error will be set either with a
* %GTK_RECENT_MANAGER_ERROR or a %G_IO_ERROR
*/
GAppInfo *
gtk_recent_info_create_app_info (GtkRecentInfo *info,
const gchar *app_name,
GError **error)
{
RecentAppInfo *ai;
GAppInfo *app_info;
GError *internal_error = NULL;
g_return_val_if_fail (info != NULL, NULL);
if (app_name == NULL || *app_name == '\0')
{
char *content_type;
if (info->mime_type == NULL)
return NULL;
content_type = g_content_type_from_mime_type (info->mime_type);
if (content_type == NULL)
return NULL;
app_info = g_app_info_get_default_for_type (content_type, TRUE);
g_free (content_type);
return app_info;
}
ai = g_hash_table_lookup (info->apps_lookup, app_name);
if (ai == NULL)
{
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
GTK_RECENT_MANAGER_ERROR_NOT_REGISTERED,
_("No registered application with name '%s' for item with URI '%s' found"),
app_name,
info->uri);
return NULL;
}
internal_error = NULL;
app_info = g_app_info_create_from_commandline (ai->exec, ai->name,
G_APP_INFO_CREATE_NONE,
&internal_error);
if (internal_error != NULL)
{
g_propagate_error (error, internal_error);
return NULL;
}
return app_info;
}
/*
* _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);
}
}
Reference in New Issue View Git Blame Copy Permalink