Add support for desktop portal capture (-w portal)

1 files changed, 43 insertions, 0 deletions

diff --git a/include/dbus.h b/include/dbus.h
new file mode 100644
index 0000000..95c3732
--- /dev/null
+++ b/include/dbus.h
@@ -0,0 +1,43 @@
+#ifndef GSR_DBUS_H
+#define GSR_DBUS_H
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <dbus/dbus.h>
+
+#define DBUS_RANDOM_STR_SIZE 16
+
+typedef struct {
+    DBusConnection *con;
+    DBusError err;
+    char random_str[DBUS_RANDOM_STR_SIZE + 1];
+    unsigned int handle_counter;
+    bool desktop_portal_rule_added;
+    uint32_t screencast_version;
+    char *screencast_restore_token;
+} gsr_dbus;
+
+typedef enum {
+    GSR_PORTAL_CAPTURE_TYPE_MONITOR = 1 << 0,
+    GSR_PORTAL_CAPTURE_TYPE_WINDOW  = 1 << 1,
+    GSR_PORTAL_CAPTURE_TYPE_VIRTUAL = 1 << 2,
+    GSR_PORTAL_CAPTURE_TYPE_ALL = GSR_PORTAL_CAPTURE_TYPE_MONITOR | GSR_PORTAL_CAPTURE_TYPE_WINDOW | GSR_PORTAL_CAPTURE_TYPE_VIRTUAL
+} gsr_portal_capture_type;
+
+typedef enum {
+    GSR_PORTAL_CURSOR_MODE_HIDDEN   = 1 << 0,
+    GSR_PORTAL_CURSOR_MODE_EMBEDDED = 1 << 1,
+    GSR_PORTAL_CURSOR_MODE_METADATA = 1 << 2
+} gsr_portal_cursor_mode;
+
+/* Blocking. TODO: Make non-blocking */
+bool gsr_dbus_init(gsr_dbus *self, const char *screencast_restore_token);
+void gsr_dbus_deinit(gsr_dbus *self);
+
+bool gsr_dbus_screencast_create_session(gsr_dbus *self, char **session_handle);
+bool gsr_dbus_screencast_select_sources(gsr_dbus *self, const char *session_handle, gsr_portal_capture_type capture_type, gsr_portal_cursor_mode cursor_mode);
+bool gsr_dbus_screencast_start(gsr_dbus *self, const char *session_handle, uint32_t *pipewire_node);
+bool gsr_dbus_screencast_open_pipewire_remote(gsr_dbus *self, const char *session_handle, int *pipewire_fd);
+const char* gsr_dbus_screencast_get_restore_token(gsr_dbus *self);
+
+#endif /* GSR_DBUS_H */