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/* Copyright (C) 2007 The gtkmm Development Team
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <giomm/applaunchcontext.h>

#include <exception>

#include <string>

#include <glibmm/interface.h>
#include <glibmm/listhandle.h>
#include <glibmm/arrayhandle.h>
#include <glibmm/object.h>
//#include <giomm/file.h>
#include <giomm/icon.h>

_DEFS(giomm,gio)
_PINCLUDE(glibmm/private/interface_p.h)
_PINCLUDE(glibmm/private/object_p.h)

#ifndef DOXYGEN_SHOULD_SKIP_THIS
typedef struct _GAppInfoIface GAppInfoIface;
#endif /* DOXYGEN_SHOULD_SKIP_THIS */

namespace Gio
{

_WRAP_ENUM(AppInfoCreateFlags, GAppInfoCreateFlags, NO_GTYPE)

class File;

/** Application information, to describe applications installed on the system,
 * and launch them.
 * See also AppLaunchContext.
 *
 * @newin{2,16}
 */
class AppInfo : public Glib::Interface
{
  _CLASS_INTERFACE(AppInfo, GAppInfo, G_APP_INFO, GAppInfoIface)

public:
  static Glib::RefPtr<AppInfo> create_from_commandline(const std::string& commandline,
                                                       const std::string& application_name,
                                                       AppInfoCreateFlags flags);

  /**  Creates a duplicate of this AppInfo.
   * @return A duplicate of this AppInfo.
   * @newin{2,36}
   */
  Glib::RefPtr<AppInfo> create_duplicate() const;
  _IGNORE(g_app_info_dup)

  // Note that the implementation of equal() is virtual via equal_vfunc().
  /** Checks if two AppInfo<!-- -->s are equal.
   * @param other The other AppInfo.
   * @return <tt>true</tt> if @a *this is equal to @a other, <tt>false</tt> otherwise.
   */
  _WRAP_METHOD(bool equal(const Glib::RefPtr<AppInfo>& other) const, g_app_info_equal)

  _WRAP_METHOD(std::string get_id() const, g_app_info_get_id)
  _WRAP_METHOD(std::string get_name() const, g_app_info_get_name)
  _WRAP_METHOD(std::string get_display_name() const, g_app_info_get_display_name)
  _WRAP_METHOD(std::string get_description() const, g_app_info_get_description)
  _WRAP_METHOD(std::string get_executable() const, g_app_info_get_executable)
  _WRAP_METHOD(std::string get_commandline() const, g_app_info_get_commandline)

  _WRAP_METHOD(Glib::RefPtr<Icon> get_icon(), g_app_info_get_icon, refreturn)
  _WRAP_METHOD(const Glib::RefPtr<const Icon> get_icon() const,
               g_app_info_get_icon,
               refreturn, constversion)

#m4 _CONVERSION(`const std::vector< Glib::RefPtr<Gio::File> >&',`GList*',`Glib::ListHandler<Glib::RefPtr<Gio::File> >::vector_to_list($3).data ()')

  /** Launches the application. This passes the @a file to the launched application
   * as an argument, using the optional @a launch_context to get information
   * about the details of the launcher (like what screen it is on).
   * On error, an exception will be thrown accordingly.
   *
   * Note that even if the launch is successful the application launched
   * can fail to start if it runs into problems during startup. There is
   * no way to detect this.
   *
   * Some URIs can be changed when passed through a GFile (for instance
   * unsupported uris with strange formats like mailto:), so if you have
   * a textual uri you want to pass in as argument, consider using
   * launch_uris() instead.
   *
   * On UNIX, this function sets the @c GIO_LAUNCHED_DESKTOP_FILE
   * environment variable with the path of the launched desktop file and
   * @c GIO_LAUNCHED_DESKTOP_FILE_PID to the process
   * id of the launched process. This can be used to ignore
   * @c GIO_LAUNCHED_DESKTOP_FILE, should it be inherited
   * by further processes. The @c DISPLAY and
   * @c DESKTOP_STARTUP_ID environment variables are also
   * set, based on information provided in @a launch_context.
   * @param file A File object.
   * @param launch_context An AppLaunchContext.
   * @return <tt>true</tt> on successful launch, <tt>false</tt> otherwise.
   *
   * @newin{2,30}
   */
  bool launch(const Glib::RefPtr<Gio::File>& file, const Glib::RefPtr<AppLaunchContext>& launch_context);

  /** Launches the application. This passes the @a file to the launched application
   * as an argument.
   * On error, an exception will be thrown accordingly.
   *
   * Note that even if the launch is successful the application launched
   * can fail to start if it runs into problems during startup. There is
   * no way to detect this.
   *
   * Some URIs can be changed when passed through a GFile (for instance
   * unsupported uris with strange formats like mailto:), so if you have
   * a textual uri you want to pass in as argument, consider using
   * launch_uris() instead.
   *
   * On UNIX, this function sets the @c GIO_LAUNCHED_DESKTOP_FILE
   * environment variable with the path of the launched desktop file and
   * @c GIO_LAUNCHED_DESKTOP_FILE_PID to the process
   * id of the launched process. This can be used to ignore
   * @c GIO_LAUNCHED_DESKTOP_FILE, should it be inherited
   * by further processes. The @c DISPLAY and
   * @c DESKTOP_STARTUP_ID environment variables are also
   * set, based on information provided in @a launch_context.
   * @param file A File object.
   * @return <tt>true</tt> on successful launch, <tt>false</tt> otherwise.
   *
   * @newin{2,30}
   */
  bool launch(const Glib::RefPtr<Gio::File>& file);

  _WRAP_METHOD(bool launch(const std::vector< Glib::RefPtr<Gio::File> >& files,
                           const Glib::RefPtr<AppLaunchContext>& launch_context{?}),
               g_app_info_launch,
               errthrow)

  _WRAP_METHOD(bool supports_uris() const, g_app_info_supports_uris)
  _WRAP_METHOD(bool supports_files() const, g_app_info_supports_files)

#m4 _CONVERSION(`const Glib::ListHandle<std::string>&',`GList*',`$3.data()')
  _WRAP_METHOD(bool launch_uris(const Glib::ListHandle<std::string>& uris,
                                GAppLaunchContext* launch_context),
               g_app_info_launch_uris,
               errthrow, deprecated "Use the method that takes an AppLaunchContext")

  //TODO: I think we use Glib::ustring elsewhere for URIs:
  _WRAP_METHOD(bool launch_uris(const Glib::ListHandle<std::string>& uris,
                                const Glib::RefPtr<AppLaunchContext>& launch_context{?}),
               g_app_info_launch_uris,
               errthrow)

  /** Launches the application. This passes the @a uri to the launched application
   * as an arguments, using the optional @a launch_context to get information
   * about the details of the launcher (like what screen it is on).
   * On error, an exception will be thrown accordingly.
   *
   * Note that even if the launch is successful the application launched
   * can fail to start if it runs into problems during startup. There is
   * no way to detect this.
   * @param uris A URIs to launch.
   * @param launch_context An AppLaunchContext.
   * @return <tt>true</tt> on successful launch, <tt>false</tt> otherwise.
   *
   * @newin{2,30}
   */
  bool launch_uri(const std::string& uris, const Glib::RefPtr<AppLaunchContext>& launch_context);

  /** A launch_uri() convenience overload.
   *
   * @newin{2,30}
   */
  bool launch_uri(const std::string& uris);

  _WRAP_METHOD(bool should_show() const, g_app_info_should_show)
  // FIXME: use better terminology than delete/do_delete
  _WRAP_METHOD(bool can_delete() const, g_app_info_can_delete)
  _WRAP_METHOD(bool do_delete(), g_app_info_delete)

  _WRAP_METHOD(bool set_as_default_for_type(const std::string& content_type),
               g_app_info_set_as_default_for_type,
               errthrow)
  _WRAP_METHOD(bool set_as_default_for_extension(const std::string& extension),
               g_app_info_set_as_default_for_extension,
               errthrow)
  _WRAP_METHOD(bool add_supports_type(const std::string& content_type),
               g_app_info_add_supports_type,
               errthrow)
  _WRAP_METHOD(bool can_remove_supports_type() const, g_app_info_can_remove_supports_type)
  _WRAP_METHOD(bool remove_supports_type(const std::string& content_type),
               g_app_info_remove_supports_type,
               errthrow)

#m4 _CONVERSION(`const char**', `Glib::StringArrayHandle', `Glib::StringArrayHandle($3, Glib::OWNERSHIP_NONE)')
  _WRAP_METHOD(Glib::StringArrayHandle get_supported_types() const, g_app_info_get_supported_types)

  _WRAP_METHOD(bool set_as_last_used_for_type(const std::string& content_type), g_app_info_set_as_last_used_for_type, errthrow)

#m4 _CONVERSION(`GList*',`Glib::ListHandle<Glib::RefPtr<AppInfo> >',`Glib::ListHandle<Glib::RefPtr<AppInfo> >($3, Glib::OWNERSHIP_DEEP)')
  _WRAP_METHOD(static Glib::ListHandle<Glib::RefPtr<AppInfo> > get_all(), g_app_info_get_all)

  _WRAP_METHOD(static Glib::ListHandle<Glib::RefPtr<AppInfo> > get_all_for_type(const std::string& content_type), g_app_info_get_all_for_type)
  _WRAP_METHOD(static Glib::RefPtr<AppInfo> get_default_for_type(const std::string& content_type, bool must_support_uris = true), g_app_info_get_default_for_type)
  _WRAP_METHOD(static Glib::RefPtr<AppInfo> get_default_for_uri_scheme(const std::string& uri_scheme), g_app_info_get_default_for_uri_scheme)
  _WRAP_METHOD(static void reset_type_associations(const std::string& content_type), g_app_info_reset_type_associations)
  _WRAP_METHOD(static bool launch_default_for_uri(const std::string& uri, const Glib::RefPtr<AppLaunchContext>& launch_context{?}), g_app_info_launch_default_for_uri, errthrow)

protected:
  //_WRAP_VFUNC(Glib::RefPtr<AppInfo> dup(), "dup")
  //_WRAP_VFUNC(bool equal(const Glib::RefPtr<AppInfo>& appinfo2), "equal")
  //_WRAP_VFUNC(std::string get_id() const, "get_id")
  //_WRAP_VFUNC(std::string get_name() const, "get_name")
  //_WRAP_VFUNC(std::string get_description() const, "get_description")
  //_WRAP_VFUNC(std::string get_executable() const, "get_executable")
  //_WRAP_VFUNC(Glib::RefPtr<Icon> get_icon() const, "get_icon")
//#m4 _CONVERSION(`const Glib::ListHandle<std::string>&',`GList*',`$3.data()')
//#m4 _CONVERSION(`GList*',`const Glib::ListHandle<std::string>&',`Glib::ListHandle<std::string>($3, Glib::OWNERSHIP_NONE)')
  //_WRAP_VFUNC(bool launch(const std::vector<Gio::File>& filenames, const Glib::RefPtr<AppLaunchContext>& launch_context, GError** error), "launch")
  //_WRAP_VFUNC(bool supports_uris() const, "supports_uris")
  //_WRAP_VFUNC(bool supports_files() const, "supports_files")
  //_WRAP_VFUNC(bool launch_uris(const Glib::ListHandle<std::string>& uris, const Glib::RefPtr<AppLaunchContext>& launch_context, GError** error), "launch_uris")
  //_WRAP_VFUNC(bool should_show() const, "should_show")
  //_WRAP_VFUNC(bool set_as_default_for_type(const std::string& content_type, GError** error), "set_as_default_for_type")
  //_WRAP_VFUNC(bool set_as_default_for_extension(const std::string& extension, GError** error), "set_as_default_for_extension")
  //_WRAP_VFUNC(bool add_supports_type(const std::string& content_type, GError** error), "add_supports_type")
  //_WRAP_VFUNC(bool can_remove_supports_type() const, "can_remove_supports_type")
  //_WRAP_VFUNC(bool remove_supports_type(const std::string& content_type, GError** error), "remove_supports_type")
};

} // namespace Gio