gtk2/gtk/gtkrecentmanager.c

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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
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* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* 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.
*
* The recently used files list is per user.
*
* 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:
*
* |[<!-- language="C" -->
* 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():
*
* |[<!-- language="C" -->
* GtkRecentManager *manager;
* GtkRecentInfo *info;
* GError *error = NULL;
*
* manager = gtk_recent_manager_get_default ();
* info = gtk_recent_manager_lookup_item (manager, file_uri, &error);
* if (error)
* {
* g_warning ("Could not find the file: %s", error->message);
* g_error_free (error);
* }
* else
* {
* // Use the info object
* 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-structs.
*
* A #GtkRecentManager is the model used to populate the contents of
* one, or more #GtkRecentChooser implementations.
*
* Note that the maximum age of the recently used files list is
* controllable through the #GtkSettings:gtk-recent-files-max-age
* property.
*
* 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 "gtkicontheme.h"
#include "gtktypebuiltins.h"
#include "gtkprivate.h"
#include "gtkmarshalers.h"
/* the file where we store the recently used items */
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#define GTK_RECENTLY_USED_FILE "recently-used.xbel"
/* return all items by default */
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#define DEFAULT_LIMIT -1
/* keep in sync with xdgmime */
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#define GTK_RECENT_DEFAULT_MIME "application/octet-stream"
typedef struct
{
gchar *name;
gchar *exec;
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guint count;
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time_t stamp;
} RecentAppInfo;
/**
* GtkRecentInfo:
*
* #GtkRecentInfo-struct contains private data only, and should
* 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;
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gchar *display_name;
gchar *description;
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time_t added;
time_t modified;
time_t visited;
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gchar *mime_type;
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GSList *applications;
GHashTable *apps_lookup;
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GSList *groups;
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gboolean is_private;
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GdkPixbuf *icon;
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gint ref_count;
};
struct _GtkRecentManagerPrivate
{
gchar *filename;
guint is_dirty : 1;
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gint size;
GBookmarkFile *recent_items;
GFileMonitor *monitor;
guint changed_timeout;
guint changed_age;
};
enum
{
PROP_0,
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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,
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guint prop_id,
const GValue *value,
GParamSpec *pspec);
static void gtk_recent_manager_get_property (GObject *object,
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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_enabled_changed (GtkRecentManager *manager);
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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_WITH_PRIVATE (GtkRecentManager, gtk_recent_manager, G_TYPE_OBJECT)
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static void
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filename_warning (const gchar *format,
const gchar *filename,
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const gchar *message)
{
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gchar *utf8 = g_filename_to_utf8 (filename, -1, NULL, NULL, NULL);
g_warning (format, utf8 ? utf8 : "(invalid filename)", message);
g_free (utf8);
}
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/* Test of haystack has the needle prefix, comparing case
* insensitive. haystack may be UTF-8, but needle must
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* contain only lowercase ascii.
*/
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static gboolean
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has_case_prefix (const gchar *haystack,
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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);
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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;
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/**
* GtkRecentManager:filename:
*
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* 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,
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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:
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*
* The size of the recently used resources list.
*
* Since: 2.10
*/
g_object_class_install_property (gobject_class,
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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
*
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* 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"),
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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;
}
static void
gtk_recent_manager_init (GtkRecentManager *manager)
{
GtkRecentManagerPrivate *priv;
GtkSettings *settings;
manager->priv = gtk_recent_manager_get_instance_private (manager);
priv = manager->priv;
priv->size = 0;
priv->filename = NULL;
settings = gtk_settings_get_default ();
if (settings)
g_signal_connect_swapped (settings, "notify::gtk-recent-files-enabled",
G_CALLBACK (gtk_recent_manager_enabled_changed), manager);
}
static void
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gtk_recent_manager_set_property (GObject *object,
guint prop_id,
const GValue *value,
GParamSpec *pspec)
{
GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object);
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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
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gtk_recent_manager_get_property (GObject *object,
guint prop_id,
GValue *value,
GParamSpec *pspec)
{
GtkRecentManager *recent_manager = GTK_RECENT_MANAGER (object);
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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;
}
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}
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_enabled_changed (GtkRecentManager *manager)
{
manager->priv->is_dirty = TRUE;
gtk_recent_manager_changed (manager);
}
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
*/
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 ();
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priv->size = 0;
}
else
{
GtkSettings *settings;
gint age;
gboolean enabled;
settings = gtk_settings_get_default ();
if (settings)
g_object_get (G_OBJECT (settings),
"gtk-recent-files-max-age", &age,
"gtk-recent-files-enabled", &enabled,
NULL);
else
{
age = 30;
enabled = TRUE;
}
if (age == 0 || !enabled)
{
g_bookmark_file_free (priv->recent_items);
priv->recent_items = g_bookmark_file_new ();
}
else if (age > 0)
gtk_recent_manager_clamp_to_age (manager, age);
}
if (priv->filename != NULL)
{
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);
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}
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)
{
if (g_mkdir_with_parents (g_get_user_data_dir (), 0755) == -1)
{
int saved_errno = errno;
g_critical ("Unable to create user data directory '%s' for storing "
"the recently used files list: %s",
g_get_user_data_dir (),
g_strerror (saved_errno));
return NULL;
}
return g_build_filename (g_get_user_data_dir (),
GTK_RECENTLY_USED_FILE,
NULL);
}
static void
gtk_recent_manager_set_filename (GtkRecentManager *manager,
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const gchar *filename)
{
GtkRecentManagerPrivate *priv;
GFile *file;
GError *error;
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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
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* 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);
}
if (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);
}
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 users 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;
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
}
if (priv->filename != NULL)
{
/* 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
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* 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:
*
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* Creates a new recent manager object. Recent manager objects are used to
* handle the list of recently used resources. A #GtkRecentManager object
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* 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.
*
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* Returns: 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.
*
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* Returns: (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, *basename;
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
{
basename = g_file_get_basename (file);
recent_data.mime_type = g_content_type_guess (basename, NULL, 0, NULL);
g_free (basename);
}
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
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* 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
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* 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.
*
* Returns: %TRUE if the new item was successfully added
* to the recently used resources list
*
* Since: 2.10
*/
gboolean
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gtk_recent_manager_add_item (GtkRecentManager *manager,
const gchar *uri)
{
GFile* file;
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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
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* resources list, using the metadata specified inside the
* #GtkRecentData-struct 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-struct, 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-struct might contain a UTF-8 string
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* 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.
*
* Returns: %TRUE if the new item was successfully added to the
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* recently used resources list, %FALSE otherwise
*
* Since: 2.10
*/
gboolean
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gtk_recent_manager_add_full (GtkRecentManager *manager,
const gchar *uri,
const GtkRecentData *data)
{
GtkRecentManagerPrivate *priv;
GtkSettings *settings;
gboolean enabled;
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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 "
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"resources, but the display name is not a valid UTF-8 "
"encoded string",
uri);
return FALSE;
}
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if ((data->description) &&
(!g_utf8_validate (data->description, -1, NULL)))
{
g_warning ("Attempting to add '%s' to the list of recently used "
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"resources, but the description is not a valid UTF-8 "
"encoded string",
uri);
return FALSE;
}
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if (!data->mime_type)
{
g_warning ("Attempting to add '%s' to the list of recently used "
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"resources, but no MIME type was defined",
uri);
return FALSE;
}
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if (!data->app_name)
{
g_warning ("Attempting to add '%s' to the list of recently used "
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"resources, but no name of the application that is "
"registering it was defined",
uri);
return FALSE;
}
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if (!data->app_exec)
{
g_warning ("Attempting to add '%s' to the list of recently used "
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"resources, but no command line for the application "
"that is registering it was defined",
uri);
return FALSE;
}
settings = gtk_settings_get_default ();
g_object_get (G_OBJECT (settings), "gtk-recent-files-enabled", &enabled, NULL);
if (!enabled)
return TRUE;
priv = manager->priv;
if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
}
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if (data->display_name)
g_bookmark_file_set_title (priv->recent_items, uri, data->display_name);
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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);
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if (data->groups && data->groups[0] != '\0')
{
gint j;
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for (j = 0; (data->groups)[j] != NULL; j++)
g_bookmark_file_add_group (priv->recent_items, uri, (data->groups)[j]);
}
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/* 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,
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data->app_name,
data->app_exec);
g_bookmark_file_set_is_private (priv->recent_items, uri,
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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);
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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.
*
* Returns: %TRUE if the item pointed by @uri has been successfully
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* removed by the recently used resources list, and %FALSE otherwise
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_remove_item (GtkRecentManager *manager,
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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);
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priv = manager->priv;
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if (!priv->recent_items)
{
priv->recent_items = g_bookmark_file_new ();
priv->size = 0;
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
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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,
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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);
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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.
*
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* Returns: %TRUE if the resource was found, %FALSE otherwise
*
* Since: 2.10
*/
gboolean
gtk_recent_manager_has_item (GtkRecentManager *manager,
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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
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build_recent_info (GBookmarkFile *bookmarks,
GtkRecentInfo *info)
{
gchar **apps, **groups;
gsize apps_len, groups_len, i;
g_assert (bookmarks != NULL);
g_assert (info != NULL);
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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);
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info->is_private = g_bookmark_file_get_is_private (bookmarks, info->uri, NULL);
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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);
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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]);
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info->groups = g_slist_append (info->groups, group_name);
}
g_strfreev (groups);
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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;
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app_name = apps[i];
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res = g_bookmark_file_get_app_info (bookmarks, info->uri, app_name,
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&app_exec,
&count,
&stamp,
NULL);
if (!res)
continue;
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app_info = recent_app_info_new (app_name);
app_info->exec = app_exec;
app_info->count = count;
app_info->stamp = stamp;
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info->applications = g_slist_prepend (info->applications, app_info);
g_hash_table_replace (info->apps_lookup, app_info->name, app_info);
}
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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 #GtkRecentInfo-struct containing informations about the resource
* like its MIME type, or its display name.
*
introspection: This patch fixes nullable return values fixes for the following symbols in gtk gtk_accel_group_query gtk_accel_group_from_accel_closure gtk_accel_label_get_accel_widget gtk_accessible_get_widget gtk_actionable_get_action_name gtk_app_chooser_get_app_info gtk_app_chooser_button_get_heading gtk_app_chooser_dialog_get_heading gtk_application_get_window_by_id gtk_assistant_get_nth_page gtk_binding_set_find gtk_builder_get_object gtk_builder_lookup_callback_symbol gtk_builder_get_application gtk_button_get_image gtk_cell_area_get_focus_from_sibling gtk_cell_renderer_start_editing gtk_cell_view_get_model gtk_cell_view_get_displayed_row gtk_clipboard_get_owner gtk_container_get_focus_child gtk_container_get_focus_vadjustment gtk_container_get_focus_hadjustment gtk_dialog_get_widget_for_response gtk_drag_get_source_widget gtk_drag_dest_get_target_list gtk_drag_source_get_target_list gtk_entry_completion_get_model gtk_entry_completion_compute_prefix gtk_expander_get_label_widget gtk_file_chooser_get_filename gtk_file_chooser_get_current_folder gtk_file_chooser_get_uri gtk_file_chooser_get_current_folder_uri gtk_file_chooser_get_preview_widget gtk_file_chooser_get_preview_file gtk_file_chooser_get_preview_filename gtk_file_chooser_get_preview_uri gtk_file_chooser_get_extra_widget gtk_file_chooser_get_filter gtk_file_chooser_native_get_accept_label gtk_file_chooser_native_get_cancel_label gtk_file_filter_get_name gtk_font_chooser_get_font_family gtk_font_chooser_get_font_face gtk_font_chooser_get_font gtk_font_chooser_get_font_desc gtk_font_chooser_get_font_map gtk_frame_get_label gtk_gesture_get_device gtk_gesture_get_window gtk_gl_area_get_error gtk_header_bar_get_title gtk_header_bar_get_subtitle gtk_header_bar_get_custom_title gtk_icon_info_get_filename gtk_icon_view_get_path_at_pos gtk_icon_view_get_model gtk_image_get_pixbuf gtk_image_get_animation gtk_label_get_mnemonic_widget gtk_label_get_attributes gtk_check_version gtk_menu_button_get_popup gtk_menu_button_get_menu_model gtk_menu_button_get_align_widget gtk_menu_button_get_popover gtk_menu_item_get_submenu gtk_menu_item_get_accel_path gtk_native_dialog_get_title gtk_native_dialog_get_transient_for gtk_notebook_get_nth_page gtk_notebook_get_tab_label_text gtk_notebook_get_menu_label gtk_notebook_get_menu_label_text gtk_notebook_get_group_name gtk_notebook_get_action_widget gtk_offscreen_window_get_surface gtk_offscreen_window_get_pixbuf gtk_paned_get_child1 gtk_paned_get_child2 gtk_places_sidebar_get_location gtk_places_sidebar_get_nth_bookmark gtk_plug_get_socket_window gtk_popover_get_default_widget gtk_progress_bar_get_text gtk_recent_filter_get_name gtk_recent_manager_lookup_item gtk_settings_get_default gtk_socket_get_plug_window gtk_stack_sidebar_get_stack gtk_stack_switcher_get_stack gtk_style_context_get_section gtk_style_context_get_parent gtk_style_context_get_frame_clock gtk_test_find_widget gtk_text_buffer_get_mark gtk_text_tag_table_lookup gtk_text_view_get_tabs gtk_text_view_toggle_cursor_visible gtk_text_view_get_window gtk_toolbar_get_nth_item gtk_tool_button_get_label gtk_tool_button_get_icon_name gtk_tool_button_get_label_widget gtk_tool_button_get_icon_widget gtk_tool_palette_get_drop_item gtk_tool_palette_get_drop_group gtk_tree_model_filter_convert_child_path_to_path gtk_tree_model_filter_convert_path_to_child_path gtk_tree_model_sort_convert_child_path_to_path gtk_tree_model_sort_convert_path_to_child_path gtk_tree_view_get_column gtk_tree_view_get_bin_window gtk_tree_view_column_get_widget gtk_tree_view_column_get_tree_view gtk_widget_get_frame_clock gtk_window_group_get_current_device_grab GtkTextBufferSerializeFunc
2015-12-28 20:14:08 +00:00
* Returns: (nullable): a #GtkRecentInfo-struct containing information
* about the resource pointed by @uri, or %NULL if the URI was
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* not registered in the recently used resources list. Free with
* gtk_recent_info_unref().
2006-08-16 03:42:23 +00:00
*
* Since: 2.10
*/
GtkRecentInfo *
gtk_recent_manager_lookup_item (GtkRecentManager *manager,
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const gchar *uri,
GError **error)
{
GtkRecentManagerPrivate *priv;
GtkRecentInfo *info = NULL;
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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);
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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,
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GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return NULL;
}
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if (!g_bookmark_file_has_item (priv->recent_items, uri))
{
g_set_error (error, GTK_RECENT_MANAGER_ERROR,
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GTK_RECENT_MANAGER_ERROR_NOT_FOUND,
_("Unable to find an item with URI '%s'"),
uri);
return NULL;
}
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info = gtk_recent_info_new (uri);
g_return_val_if_fail (info != NULL, NULL);
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/* fill the RecentInfo structure with the data retrieved by our
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* 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
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* @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.
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*
* 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.
*
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* Returns: %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.
*
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* Returns: (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;
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g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), NULL);
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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;
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info = gtk_recent_info_new (uris[i]);
build_recent_info (priv->recent_items, info);
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retval = g_list_prepend (retval, info);
}
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g_strfreev (uris);
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return retval;
}
static void
purge_recent_items_list (GtkRecentManager *manager,
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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.
*
* Returns: the number of items that have been removed from the
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* recently used resources list
*
* Since: 2.10
*/
gint
gtk_recent_manager_purge_items (GtkRecentManager *manager,
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GError **error)
{
GtkRecentManagerPrivate *priv;
gint count, purged;
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g_return_val_if_fail (GTK_IS_RECENT_MANAGER (manager), -1);
priv = manager->priv;
if (!priv->recent_items)
return 0;
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count = g_bookmark_file_get_size (priv->recent_items);
if (!count)
return 0;
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purge_recent_items_list (manager, error);
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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);
g_source_set_name_by_id (manager->priv->changed_timeout, "[gtk+] emit_manager_changed");
}
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 *
*****************/
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2010-04-27 11:31:23 +00:00
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);
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info->applications = NULL;
info->apps_lookup = g_hash_table_new (g_str_hash, g_str_equal);
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info->groups = NULL;
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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);
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g_slist_free_full (recent_info->applications, (GDestroyNotify)recent_app_info_free);
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if (recent_info->apps_lookup)
g_hash_table_destroy (recent_info->apps_lookup);
g_slist_free_full (recent_info->groups, g_free);
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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.
*
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* Returns: 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);
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info->ref_count += 1;
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return info;
}
/**
* gtk_recent_info_unref:
* @info: a #GtkRecentInfo
*
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* 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;
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if (info->ref_count == 0)
gtk_recent_info_free (info);
}
/**
* gtk_recent_info_get_uri:
* @info: a #GtkRecentInfo
*
* Gets the URI of the resource.
*
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* Returns: the URI of the resource. The returned string is
* owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
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const gchar *
gtk_recent_info_get_uri (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
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return info->uri;
}
/**
* gtk_recent_info_get_display_name:
* @info: a #GtkRecentInfo
*
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* Gets the name of the resource. If none has been defined, the basename
* of the resource is obtained.
*
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* Returns: the display name of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
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const gchar *
gtk_recent_info_get_display_name (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
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if (!info->display_name)
info->display_name = gtk_recent_info_get_short_name (info);
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return info->display_name;
}
/**
* gtk_recent_info_get_description:
* @info: a #GtkRecentInfo
*
* Gets the (short) description of the resource.
*
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* Returns: the description of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
**/
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const gchar *
gtk_recent_info_get_description (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
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return info->description;
}
/**
* gtk_recent_info_get_mime_type:
* @info: a #GtkRecentInfo
*
* Gets the MIME type of the resource.
*
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* Returns: the MIME type of the resource. The returned string
* is owned by the recent manager, and should not be freed.
*
* Since: 2.10
*/
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const gchar *
gtk_recent_info_get_mime_type (GtkRecentInfo *info)
{
g_return_val_if_fail (info != NULL, NULL);
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if (!info->mime_type)
info->mime_type = g_strdup (GTK_RECENT_DEFAULT_MIME);
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return info->mime_type;
}
/**
* gtk_recent_info_get_added:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from systems Epoch) when the resource
* was added to the recently used resources list.
*
* Returns: the number of seconds elapsed from systems 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);
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return info->added;
}
/**
* gtk_recent_info_get_modified:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from systems Epoch) when the meta-data
* for the resource was last modified.
*
* Returns: the number of seconds elapsed from systems 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);
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return info->modified;
}
/**
* gtk_recent_info_get_visited:
* @info: a #GtkRecentInfo
*
* Gets the timestamp (seconds from systems Epoch) when the meta-data
* for the resource was last visited.
*
* Returns: the number of seconds elapsed from systems 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);
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return info->visited;
}
/**
* gtk_recent_info_get_private_hint:
* @info: a #GtkRecentInfo
*
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* 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.
*
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* Returns: %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);
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return info->is_private;
}
static RecentAppInfo *
recent_app_info_new (const gchar *app_name)
{
RecentAppInfo *app_info;
g_assert (app_name != NULL);
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app_info = g_slice_new0 (RecentAppInfo);
app_info->name = g_strdup (app_name);
app_info->exec = NULL;
app_info->count = 1;
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app_info->stamp = 0;
return app_info;
}
static void
recent_app_info_free (RecentAppInfo *app_info)
{
if (!app_info)
return;
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g_free (app_info->name);
g_free (app_info->exec);
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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
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* @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.
*
* Returns: %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,
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const gchar *app_name,
const gchar **app_exec,
guint *count,
time_t *time_)
{
RecentAppInfo *ai;
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g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (app_name != NULL, FALSE);
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ai = (RecentAppInfo *) g_hash_table_lookup (info->apps_lookup,
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app_name);
if (!ai)
{
g_warning ("No registered application with name '%s' "
"for item with URI '%s' found",
app_name,
info->uri);
return FALSE;
}
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if (app_exec)
*app_exec = ai->exec;
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if (count)
*count = ai->count;
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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.
*
* Returns: (array length=length zero-terminated=1) (transfer full):
2010-09-21 04:18:11 +00:00
* 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,
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gsize *length)
{
GSList *l;
gchar **retval;
gsize n_apps, i;
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g_return_val_if_fail (info != NULL, NULL);
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if (!info->applications)
{
if (length)
*length = 0;
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return NULL;
}
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n_apps = g_slist_length (info->applications);
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retval = g_new0 (gchar *, n_apps + 1);
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for (l = info->applications, i = 0;
l != NULL;
l = l->next)
{
RecentAppInfo *ai = (RecentAppInfo *) l->data;
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g_assert (ai != NULL);
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retval[i++] = g_strdup (ai->name);
}
retval[i] = NULL;
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if (length)
*length = i;
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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.
*
* Returns: %TRUE if an application with name @app_name was found,
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* %FALSE otherwise
*
* Since: 2.10
*/
gboolean
gtk_recent_info_has_application (GtkRecentInfo *info,
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const gchar *app_name)
{
g_return_val_if_fail (info != NULL, FALSE);
g_return_val_if_fail (app_name != NULL, FALSE);
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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.
*
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* Returns: an application name. Use g_free() to free it.
*
* Since: 2.10
*/
gchar *
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gtk_recent_info_last_application (GtkRecentInfo *info)
{
GSList *l;
time_t last_stamp = (time_t) -1;
gchar *name = NULL;
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g_return_val_if_fail (info != NULL, NULL);
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for (l = info->applications; l != NULL; l = l->next)
{
RecentAppInfo *ai = (RecentAppInfo *) l->data;
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if (ai->stamp > last_stamp)
{
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name = ai->name;
last_stamp = ai->stamp;
}
}
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return g_strdup (name);
}
static GdkPixbuf *
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get_icon_for_mime_type (const gchar *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);
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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);
2013-02-16 00:35:44 +00:00
g_object_unref (info);
return pixbuf;
}
static GdkPixbuf *
get_icon_fallback (const gchar *icon_name,
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gint size)
{
GtkIconTheme *icon_theme;
GdkPixbuf *retval;
icon_theme = gtk_icon_theme_get_default ();
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retval = gtk_icon_theme_load_icon (icon_theme, icon_name,
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size,
GTK_ICON_LOOKUP_USE_BUILTIN,
NULL);
g_assert (retval != NULL);
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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.
*
* Returns: (transfer full): a #GdkPixbuf containing the icon,
2010-09-21 04:18:11 +00:00
* or %NULL. Use g_object_unref() when finished using the icon.
*
* Since: 2.10
*/
GdkPixbuf *
gtk_recent_info_get_icon (GtkRecentInfo *info,
2014-12-22 22:16:30 +00:00
gint size)
{
GdkPixbuf *retval = NULL;
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g_return_val_if_fail (info != NULL, NULL);
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if (info->mime_type)
retval = get_icon_for_mime_type (info->mime_type, size);
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/* 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);
}
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return retval;
}
/**
* gtk_recent_info_get_gicon:
* @info: a #GtkRecentInfo
*
* Retrieves the icon associated to the resource MIME type.
*
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* Returns: (transfer full): a #GIcon containing the icon, or %NULL.
* Use g_object_unref() when finished using the icon
*
* Since: 2.22
*/
GIcon *
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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.
*
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* Returns: %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);
2014-12-22 22:16:30 +00:00
2006-04-16 03:55:07 +00:00
return has_case_prefix (info->uri, "file:/");
}
/**
* gtk_recent_info_exists:
* @info: a #GtkRecentInfo
*
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* Checks whether the resource pointed by @info still exists.
* At the moment this check is done only on resources pointing
* to local files.
*
* Returns: %TRUE if the resource exists
*
* Since: 2.10
*/
gboolean
gtk_recent_info_exists (GtkRecentInfo *info)
{
gchar *filename;
GStatBuf stat_buf;
gboolean retval = FALSE;
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g_return_val_if_fail (info != NULL, FALSE);
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/* we guarantee only local resources */
if (!gtk_recent_info_is_local (info))
return FALSE;
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filename = g_filename_from_uri (info->uri, NULL, NULL);
if (filename)
{
if (g_stat (filename, &stat_buf) == 0)
retval = TRUE;
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g_free (filename);
}
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return retval;
}
/**
* gtk_recent_info_match:
* @info_a: a #GtkRecentInfo
* @info_b: a #GtkRecentInfo
*
* Checks whether two #GtkRecentInfo-struct point to the same
* resource.
*
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* Returns: %TRUE if both #GtkRecentInfo-struct point to the same
* resource, %FALSE otherwise
*
* Since: 2.10
*/
gboolean
gtk_recent_info_match (GtkRecentInfo *info_a,
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GtkRecentInfo *info_b)
{
g_return_val_if_fail (info_a != NULL, FALSE);
g_return_val_if_fail (info_b != NULL, FALSE);
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return (0 == strcmp (info_a->uri, info_b->uri));
}
/* taken from gnome-vfs-uri.c */
static const gchar *
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get_method_string (const gchar *substring,
gchar **method_string)
{
const gchar *p;
char *method;
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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
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)
{
/* 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;
}
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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;
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valid_bytes = invalid - remainder;
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if (string == NULL)
string = g_string_sized_new (remaining_bytes);
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g_string_append_len (string, remainder, valid_bytes);
g_string_append_c (string, '?');
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remaining_bytes -= valid_bytes + 1;
remainder = invalid + 1;
}
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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;
2006-04-16 03:55:07 +00:00
if (has_case_prefix (uri, "file:/"))
{
gchar *local_file;
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local_file = g_filename_from_uri (uri, NULL, NULL);
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if (local_file)
{
name = g_filename_display_basename (local_file);
validated = TRUE;
}
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g_free (local_file);
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}
if (!name)
{
gchar *method;
gchar *local_file;
const gchar *rest;
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rest = get_method_string (uri, &method);
local_file = g_filename_display_basename (rest);
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name = g_strconcat (method, ": ", local_file, NULL);
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g_free (local_file);
g_free (method);
}
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g_assert (name != NULL);
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if (!validated && !g_utf8_validate (name, -1, NULL))
{
gchar *utf8_name;
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utf8_name = make_valid_utf8 (name);
g_free (name);
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name = utf8_name;
}
return name;
}
/**
* gtk_recent_info_get_short_name:
* @info: an #GtkRecentInfo
*
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* 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
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* file:///foo/bar.txt” will yield “bar.txt”.
*
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* Returns: 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
*
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* Gets a displayable version of the resources 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().
*
* Returns: a newly allocated UTF-8 string containing the
* resources URI or %NULL. Use g_free() when done using it.
*
* Since: 2.10
*/
gchar *
gtk_recent_info_get_uri_display (GtkRecentInfo *info)
{
gchar *retval;
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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;
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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
*
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* Gets the number of days elapsed since the last update
* of the resource pointed by @info.
*
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* Returns: 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);
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delta = now - info->modified;
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retval = (gint) (delta / (60 * 60 * 24));
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return retval;
}
/**
* gtk_recent_info_get_groups:
* @info: a #GtkRecentInfo
* @length: (out) (allow-none): return location for the number of groups returned
*
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* 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.
*
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* Returns: (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,
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gsize *length)
{
GSList *l;
gchar **retval;
gsize n_groups, i;
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g_return_val_if_fail (info != NULL, NULL);
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if (!info->groups)
{
if (length)
*length = 0;
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return NULL;
}
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n_groups = g_slist_length (info->groups);
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retval = g_new0 (gchar *, n_groups + 1);
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for (l = info->groups, i = 0;
l != NULL;
l = l->next)
{
gchar *group_name = (gchar *) l->data;
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g_assert (group_name != NULL);
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retval[i++] = g_strdup (group_name);
}
retval[i] = NULL;
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if (length)
*length = i;
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return retval;
}
/**
* gtk_recent_info_has_group:
* @info: a #GtkRecentInfo
* @group_name: name of a group
*
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* Checks whether @group_name appears inside the groups
* registered for the recently used item @info.
*
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* Returns: %TRUE if the group was found
*
* Since: 2.10
*/
gboolean
gtk_recent_info_has_group (GtkRecentInfo *info,
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const gchar *group_name)
{
GSList *l;
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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
*
* Returns: (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:
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*
* 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);
}
}