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screen-cast/window: Add API to check if stream-cast is active

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Screen-casted windows need to be considered visible in various situations
but existing APIs such as `clutter_actor_is_effectively_on_stage_view()`
don't do so. Add new API that allows checking if a surface belongs to a
screen-casted window for the respective cases.

Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2789>
This commit is contained in:
Robert Mader 2023-02-11 07:03:27 +01:00
parent e18ba5dcc6
commit 2d5dd06a50
5 changed files with 66 additions and 0 deletions
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14
src/backends/meta-screen-cast-window-stream.c
View File

@ -198,6 +198,16 @@ meta_screen_cast_window_stream_finalize (GObject *object)
{
MetaScreenCastWindowStream *window_stream =
META_SCREEN_CAST_WINDOW_STREAM (object);
MetaWindowActor *window_actor;
window_actor = meta_window_actor_from_window (window_stream->window);
if (window_actor)
{
MetaScreenCastWindow *screen_cast_window;
screen_cast_window = META_SCREEN_CAST_WINDOW (window_actor);
meta_screen_cast_window_dec_usage (screen_cast_window);
}
g_clear_signal_handler (&window_stream->window_unmanaged_handler_id,
window_stream->window);
@ -218,6 +228,8 @@ meta_screen_cast_window_stream_initable_init (GInitable *initable,
meta_screen_cast_session_get_screen_cast (session);
MetaBackend *backend = meta_screen_cast_get_backend (screen_cast);
MetaWindow *window = window_stream->window;
MetaScreenCastWindow *screen_cast_window =
META_SCREEN_CAST_WINDOW (meta_window_actor_from_window (window));
MetaLogicalMonitor *logical_monitor;
int scale;
@ -248,6 +260,8 @@ meta_screen_cast_window_stream_initable_init (GInitable *initable,
window_stream->stream_width = logical_monitor->rect.width * scale;
window_stream->stream_height = logical_monitor->rect.height * scale;
meta_screen_cast_window_inc_usage (screen_cast_window);
return initable_parent_iface->init (initable, cancellable, error);
}

12
src/backends/meta-screen-cast-window.c
View File

@ -99,3 +99,15 @@ meta_screen_cast_window_has_damage (MetaScreenCastWindow *screen_cast_window)
return iface->has_damage (screen_cast_window);
}
void
meta_screen_cast_window_inc_usage (MetaScreenCastWindow *screen_cast_window)
{
META_SCREEN_CAST_WINDOW_GET_IFACE (screen_cast_window)->inc_usage (screen_cast_window);
}
void
meta_screen_cast_window_dec_usage (MetaScreenCastWindow *screen_cast_window)
{
META_SCREEN_CAST_WINDOW_GET_IFACE (screen_cast_window)->dec_usage (screen_cast_window);
}

6
src/backends/meta-screen-cast-window.h
View File

@ -62,6 +62,9 @@ struct _MetaScreenCastWindowInterface
CoglFramebuffer *framebuffer);
gboolean (*has_damage) (MetaScreenCastWindow *screen_cast_window);
void (*inc_usage) (MetaScreenCastWindow *screen_cast_window);
void (*dec_usage) (MetaScreenCastWindow *screen_cast_window);
};
void meta_screen_cast_window_get_buffer_bounds (MetaScreenCastWindow *screen_cast_window,
@ -90,6 +93,9 @@ gboolean meta_screen_cast_window_blit_to_framebuffer (MetaScreenCastWindow *scre
gboolean meta_screen_cast_window_has_damage (MetaScreenCastWindow *screen_cast_window);
void meta_screen_cast_window_inc_usage (MetaScreenCastWindow *screen_cast_window);
void meta_screen_cast_window_dec_usage (MetaScreenCastWindow *screen_cast_window);
G_END_DECLS
#endif /* META_SCREEN_CAST_WINDOW_H */

2
src/compositor/meta-window-actor-private.h
View File

@ -101,6 +101,8 @@ void meta_window_actor_set_geometry_scale (MetaWindowActor *window_actor,
int meta_window_actor_get_geometry_scale (MetaWindowActor *window_actor);
gboolean meta_window_actor_is_streaming (MetaWindowActor *window_actor);
void meta_window_actor_notify_damaged (MetaWindowActor *window_actor);
gboolean meta_window_actor_is_frozen (MetaWindowActor *self);

32
src/compositor/meta-window-actor.c
View File

@ -69,6 +69,7 @@ typedef struct _MetaWindowActorPrivate
gint destroy_in_progress;
guint freeze_count;
guint screen_cast_usage_count;
guint visible : 1;
guint disposed : 1;
@ -1357,6 +1358,26 @@ meta_window_actor_has_damage (MetaScreenCastWindow *screen_cast_window)
return clutter_actor_has_damage (CLUTTER_ACTOR (screen_cast_window));
}
static void
meta_window_actor_inc_screen_cast_usage (MetaScreenCastWindow *screen_cast_window)
{
MetaWindowActor *window_actor = META_WINDOW_ACTOR (screen_cast_window);
MetaWindowActorPrivate *priv =
meta_window_actor_get_instance_private (window_actor);
priv->screen_cast_usage_count++;
}
static void
meta_window_actor_dec_screen_cast_usage (MetaScreenCastWindow *screen_cast_window)
{
MetaWindowActor *window_actor = META_WINDOW_ACTOR (screen_cast_window);
MetaWindowActorPrivate *priv =
meta_window_actor_get_instance_private (window_actor);
priv->screen_cast_usage_count--;
}
static void
screen_cast_window_iface_init (MetaScreenCastWindowInterface *iface)
{
@ -1366,6 +1387,17 @@ screen_cast_window_iface_init (MetaScreenCastWindowInterface *iface)
iface->capture_into = meta_window_actor_capture_into;
iface->blit_to_framebuffer = meta_window_actor_blit_to_framebuffer;
iface->has_damage = meta_window_actor_has_damage;
iface->inc_usage = meta_window_actor_inc_screen_cast_usage;
iface->dec_usage = meta_window_actor_dec_screen_cast_usage;
}
gboolean
meta_window_actor_is_streaming (MetaWindowActor *window_actor)
{
MetaWindowActorPrivate *priv =
meta_window_actor_get_instance_private (window_actor);
return priv->screen_cast_usage_count > 0;
}
MetaWindowActor *