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gnome-control-center/shell/cc-panel-loader.c
Georges Basile Stavracas Neto 1245fd787b
Introduce Applications panel 
This is an initial implementation of most of the
intended functionality for this panel. Flatpak
integration itself is implemented by spawning
"flatpak info -m $appid", which gives us the
metadata in key file format, and allows flatpak
to be a runtime dependency.

Even after removing the .desktop suffix, there can
still be a difference between the app ID generated
in this way and the flatpak ID, since flatpaks are
allowed to export files whose prefix is the flatpak
ID. Fix this by pulling the X-Flatpak key out of
the desktop file. This would cause trouble for
org.libreoffice.LibreOffice-math.
2019-01-07 10:59:30 -02:00

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/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
/*
* Copyright (c) 2012 Giovanni Campagna <scampa.giovanni@gmail.com>
*
* The Control Center is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* The Control Center is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
*
* You should have received a copy of the GNU General Public License along
* with the Control Center; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Author: Thomas Wood <thos@gnome.org>
*/
#include <config.h>
#include <string.h>
#include <gio/gdesktopappinfo.h>
#include <glib/gi18n.h>
#include "cc-panel.h"
#include "cc-panel-loader.h"
#ifndef CC_PANEL_LOADER_NO_GTYPES
/* Extension points */
extern GType cc_applications_panel_get_type (void);
extern GType cc_background_panel_get_type (void);
#ifdef BUILD_BLUETOOTH
extern GType cc_bluetooth_panel_get_type (void);
#endif /* BUILD_BLUETOOTH */
extern GType cc_color_panel_get_type (void);
extern GType cc_date_time_panel_get_type (void);
extern GType cc_display_panel_get_type (void);
extern GType cc_info_overview_panel_get_type (void);
extern GType cc_info_default_apps_panel_get_type (void);
extern GType cc_info_removable_media_panel_get_type (void);
extern GType cc_keyboard_panel_get_type (void);
extern GType cc_mouse_panel_get_type (void);
#ifdef BUILD_NETWORK
extern GType cc_network_panel_get_type (void);
extern GType cc_wifi_panel_get_type (void);
#endif /* BUILD_NETWORK */
extern GType cc_notifications_panel_get_type (void);
extern GType cc_goa_panel_get_type (void);
extern GType cc_power_panel_get_type (void);
extern GType cc_printers_panel_get_type (void);
extern GType cc_privacy_panel_get_type (void);
extern GType cc_region_panel_get_type (void);
extern GType cc_search_panel_get_type (void);
extern GType cc_sharing_panel_get_type (void);
extern GType cc_sound_panel_get_type (void);
#ifdef BUILD_THUNDERBOLT
extern GType cc_bolt_panel_get_type (void);
#endif /* BUILD_THUNDERBOLT */
extern GType cc_ua_panel_get_type (void);
extern GType cc_user_panel_get_type (void);
#ifdef BUILD_WACOM
extern GType cc_wacom_panel_get_type (void);
#endif /* BUILD_WACOM */
/* Static init functions */
#ifdef BUILD_NETWORK
extern void cc_wifi_panel_static_init_func (void);
#endif /* BUILD_NETWORK */
#ifdef BUILD_WACOM
extern void cc_wacom_panel_static_init_func (void);
#endif /* BUILD_WACOM */
#define PANEL_TYPE(name, get_type, init_func) { name, get_type, init_func }
#else /* CC_PANEL_LOADER_NO_GTYPES */
#define PANEL_TYPE(name, get_type, init_func) { name }
#endif
static CcPanelLoaderVtable default_panels[] =
{
PANEL_TYPE("applications", cc_applications_panel_get_type, NULL),
PANEL_TYPE("background", cc_background_panel_get_type, NULL),
#ifdef BUILD_BLUETOOTH
PANEL_TYPE("bluetooth", cc_bluetooth_panel_get_type, NULL),
#endif
PANEL_TYPE("color", cc_color_panel_get_type, NULL),
PANEL_TYPE("datetime", cc_date_time_panel_get_type, NULL),
PANEL_TYPE("display", cc_display_panel_get_type, NULL),
PANEL_TYPE("info-overview", cc_info_overview_panel_get_type, NULL),
PANEL_TYPE("default-apps", cc_info_default_apps_panel_get_type, NULL),
PANEL_TYPE("removable-media", cc_info_removable_media_panel_get_type, NULL),
PANEL_TYPE("keyboard", cc_keyboard_panel_get_type, NULL),
PANEL_TYPE("mouse", cc_mouse_panel_get_type, NULL),
#ifdef BUILD_NETWORK
PANEL_TYPE("network", cc_network_panel_get_type, NULL),
PANEL_TYPE("wifi", cc_wifi_panel_get_type, cc_wifi_panel_static_init_func),
#endif
PANEL_TYPE("notifications", cc_notifications_panel_get_type, NULL),
PANEL_TYPE("online-accounts", cc_goa_panel_get_type, NULL),
PANEL_TYPE("power", cc_power_panel_get_type, NULL),
PANEL_TYPE("printers", cc_printers_panel_get_type, NULL),
PANEL_TYPE("privacy", cc_privacy_panel_get_type, NULL),
PANEL_TYPE("region", cc_region_panel_get_type, NULL),
PANEL_TYPE("search", cc_search_panel_get_type, NULL),
PANEL_TYPE("sharing", cc_sharing_panel_get_type, NULL),
PANEL_TYPE("sound", cc_sound_panel_get_type, NULL),
#ifdef BUILD_THUNDERBOLT
PANEL_TYPE("thunderbolt", cc_bolt_panel_get_type, NULL),
#endif
PANEL_TYPE("universal-access", cc_ua_panel_get_type, NULL),
PANEL_TYPE("user-accounts", cc_user_panel_get_type, NULL),
#ifdef BUILD_WACOM
PANEL_TYPE("wacom", cc_wacom_panel_get_type, cc_wacom_panel_static_init_func),
#endif
};
/* Override for the panel vtable. When NULL, the default_panels will
* be used.
*/
static CcPanelLoaderVtable *panels_vtable = default_panels;
static gsize panels_vtable_len = G_N_ELEMENTS (default_panels);
static int
parse_categories (GDesktopAppInfo *app)
{
g_auto(GStrv) split = NULL;
const gchar *categories;
gint retval;
categories = g_desktop_app_info_get_categories (app);
split = g_strsplit (categories, ";", -1);
retval = -1;
#define const_strv(s) ((const gchar* const*) s)
if (g_strv_contains (const_strv (split), "X-GNOME-ConnectivitySettings"))
retval = CC_CATEGORY_CONNECTIVITY;
else if (g_strv_contains (const_strv (split), "X-GNOME-PersonalizationSettings"))
retval = CC_CATEGORY_PERSONALIZATION;
else if (g_strv_contains (const_strv (split), "X-GNOME-AccountSettings"))
retval = CC_CATEGORY_ACCOUNT;
else if (g_strv_contains (const_strv (split), "X-GNOME-DevicesSettings"))
retval = CC_CATEGORY_DEVICES;
else if (g_strv_contains (const_strv (split), "X-GNOME-DetailsSettings"))
retval = CC_CATEGORY_DETAILS;
else if (g_strv_contains (const_strv (split), "HardwareSettings"))
retval = CC_CATEGORY_HARDWARE;
#undef const_strv
if (retval < 0)
{
g_warning ("Invalid categories %s for panel %s",
categories, g_app_info_get_id (G_APP_INFO (app)));
}
return retval;
}
#ifndef CC_PANEL_LOADER_NO_GTYPES
static GHashTable *panel_types;
static void
ensure_panel_types (void)
{
int i;
if (G_LIKELY (panel_types != NULL))
return;
panel_types = g_hash_table_new (g_str_hash, g_str_equal);
for (i = 0; i < panels_vtable_len; i++)
g_hash_table_insert (panel_types, (char*)panels_vtable[i].name, panels_vtable[i].get_type);
}
/**
* cc_panel_loader_load_by_name:
* @shell: a #CcShell implementation
* @name: name of the panel
* @parameters: parameters passed to the new panel
*
* Creates a new instance of a #CcPanel from @name, and sets the
* @shell and @parameters properties at construction time.
*/
CcPanel *
cc_panel_loader_load_by_name (CcShell *shell,
const gchar *name,
GVariant *parameters)
{
GType (*get_type) (void);
ensure_panel_types ();
get_type = g_hash_table_lookup (panel_types, name);
g_assert (get_type != NULL);
return g_object_new (get_type (),
"shell", shell,
"parameters", parameters,
NULL);
}
#endif /* CC_PANEL_LOADER_NO_GTYPES */
/**
* cc_panel_loader_fill_model:
* @model: a #CcShellModel
*
* Fills @model with information from the available panels. It
* iterates over the panel vtable, gathering the panel names,
* build the desktop filename from it, and retrieves additional
* information from it.
*/
void
cc_panel_loader_fill_model (CcShellModel *model)
{
guint i;
for (i = 0; i < panels_vtable_len; i++)
{
g_autoptr (GDesktopAppInfo) app;
g_autofree gchar *desktop_name = NULL;
gint category;
desktop_name = g_strconcat ("gnome-", panels_vtable[i].name, "-panel.desktop", NULL);
app = g_desktop_app_info_new (desktop_name);
if (!app)
{
g_warning ("Ignoring broken panel %s (missing desktop file)", panels_vtable[i].name);
continue;
}
category = parse_categories (app);
if (G_UNLIKELY (category < 0))
continue;
/* Consult OnlyShowIn/NotShowIn for desktop environments */
if (!g_desktop_app_info_get_show_in (app, NULL))
continue;
cc_shell_model_add_item (model, category, G_APP_INFO (app), panels_vtable[i].name);
}
/* If there's an static init function, execute it after adding all panels to
* the model. This will allow the panels to show or hide themselves without
* having an instance running.
*/
#ifndef CC_PANEL_LOADER_NO_GTYPES
for (i = 0; i < panels_vtable_len; i++)
{
if (panels_vtable[i].static_init_func)
panels_vtable[i].static_init_func ();
}
#endif
}
/**
* cc_panel_loader_list_panels:
*
* Prints the list of panels from the current panel vtable,
* usually as response to running GNOME Settings with the
* '--list' command line argument.
*/
void
cc_panel_loader_list_panels (void)
{
guint i;
g_print ("%s\n", _("Available panels:"));
for (i = 0; i < panels_vtable_len; i++)
g_print ("\t%s\n", panels_vtable[i].name);
}
/**
* cc_panel_loader_override_vtable:
* @override_vtable: the new panel vtable
* @n_elements: number of items of @override_vtable
*
* Override the default panel vtable so that GNOME Settings loads
* a custom set of panels. Intended to be used by tests to inject
* panels that exercise specific interactions with CcWindow (e.g.
* header widgets, permissions, etc).
*/
void
cc_panel_loader_override_vtable (CcPanelLoaderVtable *override_vtable,
gsize n_elements)
{
g_assert (override_vtable != NULL);
g_assert (n_elements > 0);
g_debug ("Overriding default panel vtable");
panels_vtable = override_vtable;
panels_vtable_len = n_elements;
}
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