pidgin/pidgin

screenshare: Add XDP portal ScreenCast support
release-2.x.y
2020-04-05, David Woodhouse
3c8f61de927c
screenshare: Add XDP portal ScreenCast support

With Wayland we can't just share X11 windows/screens; we need to ask for
a stream from the compositor. Add support for that, falling back to the
direct mode if it isn't present (since *Pidgin* can be using X11 even
when the system is Wayland).

https://flatpak.github.io/xdg-desktop-portal/portal-docs.html
/* This file contains macros that wrap calls to the purple dbus module.
These macros call the appropriate functions if the build includes
dbus support and do nothing otherwise. See "dbus-server.h" for
documentation. */
#ifndef _PURPLE_DBUS_MAYBE_H_
#define _PURPLE_DBUS_MAYBE_H_
#ifdef HAVE_DBUS
#ifndef DBUS_API_SUBJECT_TO_CHANGE
#define DBUS_API_SUBJECT_TO_CHANGE
#endif
#include "dbus-server.h"
/* this provides a type check */
#define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
type *typed_ptr = ptr; \
purple_dbus_register_pointer(typed_ptr, PURPLE_DBUS_TYPE(type)); \
}
#define PURPLE_DBUS_UNREGISTER_POINTER(ptr) purple_dbus_unregister_pointer(ptr)
#else /* !HAVE_DBUS */
#define PURPLE_DBUS_REGISTER_POINTER(ptr, type) { \
if (ptr) {} \
}
#define PURPLE_DBUS_UNREGISTER_POINTER(ptr)
#define DBUS_EXPORT
#endif /* HAVE_DBUS */
#endif