On Thu, 8 Feb 2018 15:37:54 +0200 Alexandros Frantzis <alexandros.frant...@collabora.com> wrote:
> Ensure the server can safely handle client requests for wl_seat resource
> that have become inert due to weston_seat object release and subsequent
> destruction.
>
> The clean-up involves, among other things, unsetting the destroyed
> weston_seat object from the user data of wl_seat resources, and handling
> this NULL user data case where required.
>
> The list of sites extracting and using weston_seat object from wl_seat
> resources which were audited for this patch are:
>
> Legend:
> N/A = Not Applicable (not implemented by weston)
> FIXED = Fixed in the commit
> OK = Already works correctly
>
> == keyboard_shortcuts_inhibit_unstable_v1 ==
> [N/A] zwp_keyboard_shortcuts_inhibit_manager_v1.inhibit_shortcuts
> == tablet_input_unstable_v{1,2} ==
> [N/A] zwp_tablet_manager_v{1,2}.get_tablet_seat
> == text_input_unstable_v1 ==
> [FIXED] zwp_text_input_v1.activate
> [FIXED] zwp_text_input_v1.deactivate
> == wl_data_device ==
> [FIXED] wl_data_device_manager.get_data_device
> [OK] wl_data_device.start_drag
> [FIXED] wl_data_device.set_selection
> [OK] wl_data_device.release
> == wl_shell ==
> [FIXED] wl_shell_surface.move
> [FIXED] wl_shell_surface.resize
> [FIXED] wl_shell_surface.set_popup
> == xdg_shell and xdg_shell_unstable_v6 ==
> [FIXED] xdg_toplevel.show_window_menu
> [FIXED] xdg_toplevel.move
> [FIXED] xdg_toplevel.resize
> [FIXED] xdg_popup.grab
> == xdg_shell_unstable_v5 ==
> [FIXED] xdg_shell.get_xdg_popup
> [FIXED] xdg_surface.show_window_menu
> [FIXED] xdg_surface.move
> [FIXED] xdg_surface.resize
>
> Signed-off-by: Alexandros Frantzis <alexandros.frant...@collabora.com>
> ---
> Changes in v2:
> - Properly create inert resources in seat_get_pointer/touch/keyboard.
> - Ensure all sites which have a wl_seat input resource can deal
> with inert resources.
>
> compositor/text-backend.c | 8 ++++--
> libweston-desktop/wl-shell.c | 12 +++++++-
> libweston-desktop/xdg-shell-v5.c | 16 ++++++++++-
> libweston-desktop/xdg-shell-v6.c | 18 +++++++++++-
> libweston/data-device.c | 15 ++++++----
> libweston/input.c | 61
> ++++++++++++++++++++++++++++------------
> 6 files changed, 102 insertions(+), 28 deletions(-)
Hi Alf,
awesome work!
The changes look good to me, however I did not review the
libweston-desktop bits yet. I'm hoping Quentin would take a look at
those.
Therefore, apart from libweston-desktop bits, this patch is:
Reviewed-by: Pekka Paalanen <pekka.paala...@collabora.co.uk>
Thanks,
pq
> diff --git a/libweston-desktop/wl-shell.c b/libweston-desktop/wl-shell.c
> index 66553f45..3386d48b 100644
> --- a/libweston-desktop/wl-shell.c
> +++ b/libweston-desktop/wl-shell.c
> @@ -220,6 +220,9 @@ weston_desktop_wl_shell_surface_protocol_move(struct
> wl_client *wl_client,
> struct weston_desktop_wl_shell_surface *surface =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (seat == NULL)
> + return;
> +
> weston_desktop_api_move(surface->desktop, dsurface, seat, serial);
> }
>
> @@ -238,6 +241,9 @@ weston_desktop_wl_shell_surface_protocol_resize(struct
> wl_client *wl_client,
> enum weston_desktop_surface_edge surf_edges =
> (enum weston_desktop_surface_edge) edges;
>
> + if (seat == NULL)
> + return;
> +
> weston_desktop_api_resize(surface->desktop, dsurface, seat, serial,
> surf_edges);
> }
>
> @@ -321,13 +327,17 @@
> weston_desktop_wl_shell_surface_protocol_set_popup(struct wl_client
> *wl_client,
> struct weston_desktop_surface *dsurface =
> wl_resource_get_user_data(resource);
> struct weston_seat *wseat = wl_resource_get_user_data(seat_resource);
> - struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
> + struct weston_desktop_seat *seat;
> struct weston_surface *parent =
> wl_resource_get_user_data(parent_resource);
> struct weston_desktop_surface *parent_surface;
> struct weston_desktop_wl_shell_surface *surface =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (wseat == NULL)
> + return;
> +
> + seat = weston_desktop_seat_from_seat(wseat);
> if (seat == NULL) {
> wl_client_post_no_memory(wl_client);
> return;
> diff --git a/libweston-desktop/xdg-shell-v5.c
> b/libweston-desktop/xdg-shell-v5.c
> index ebe7940e..ac3de78a 100644
> --- a/libweston-desktop/xdg-shell-v5.c
> +++ b/libweston-desktop/xdg-shell-v5.c
> @@ -421,6 +421,9 @@
> weston_desktop_xdg_surface_protocol_show_window_menu(struct wl_client
> *wl_client
> struct weston_desktop_xdg_surface *surface =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (seat == NULL)
> + return;
> +
> weston_desktop_xdg_surface_ensure_added(surface);
> weston_desktop_api_show_window_menu(surface->desktop, dsurface, seat,
> x, y);
> }
> @@ -438,6 +441,9 @@ weston_desktop_xdg_surface_protocol_move(struct wl_client
> *wl_client,
> struct weston_desktop_xdg_surface *surface =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (seat == NULL)
> + return;
> +
> weston_desktop_xdg_surface_ensure_added(surface);
> weston_desktop_api_move(surface->desktop, dsurface, seat, serial);
> }
> @@ -458,6 +464,9 @@ weston_desktop_xdg_surface_protocol_resize(struct
> wl_client *wl_client,
> enum weston_desktop_surface_edge surf_edges =
> (enum weston_desktop_surface_edge) edges;
>
> + if (seat == NULL)
> + return;
> +
> weston_desktop_xdg_surface_ensure_added(surface);
> weston_desktop_api_resize(surface->desktop, dsurface, seat, serial,
> surf_edges);
> }
> @@ -766,11 +775,16 @@ weston_desktop_xdg_shell_protocol_get_xdg_popup(struct
> wl_client *wl_client,
> struct weston_surface *wparent =
> wl_resource_get_user_data(parent_resource);
> struct weston_seat *wseat = wl_resource_get_user_data(seat_resource);
> - struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
> + struct weston_desktop_seat *seat;
> struct weston_desktop_surface *parent, *topmost;
> bool parent_is_popup, parent_is_xdg;
> struct weston_desktop_xdg_popup *popup;
>
> + if (wseat == NULL)
> + return;
> +
> + seat = weston_desktop_seat_from_seat(wseat);
> +
> if (weston_surface_set_role(wsurface, "xdg_popup", resource,
> XDG_SHELL_ERROR_ROLE) < 0)
> return;
>
> diff --git a/libweston-desktop/xdg-shell-v6.c
> b/libweston-desktop/xdg-shell-v6.c
> index 4db3748b..3bf15e7a 100644
> --- a/libweston-desktop/xdg-shell-v6.c
> +++ b/libweston-desktop/xdg-shell-v6.c
> @@ -371,6 +371,9 @@
> weston_desktop_xdg_toplevel_protocol_show_window_menu(struct wl_client
> *wl_clien
> struct weston_desktop_xdg_toplevel *toplevel =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (seat == NULL)
> + return;
> +
> if (!toplevel->base.configured) {
> wl_resource_post_error(toplevel->resource,
> ZXDG_SURFACE_V6_ERROR_NOT_CONSTRUCTED,
> @@ -395,6 +398,9 @@ weston_desktop_xdg_toplevel_protocol_move(struct
> wl_client *wl_client,
> struct weston_desktop_xdg_toplevel *toplevel =
> weston_desktop_surface_get_implementation_data(dsurface);
>
> + if (seat == NULL)
> + return;
> +
> if (!toplevel->base.configured) {
> wl_resource_post_error(toplevel->resource,
> ZXDG_SURFACE_V6_ERROR_NOT_CONSTRUCTED,
> @@ -421,6 +427,9 @@ weston_desktop_xdg_toplevel_protocol_resize(struct
> wl_client *wl_client,
> enum weston_desktop_surface_edge surf_edges =
> (enum weston_desktop_surface_edge) edges;
>
> + if (seat == NULL)
> + return;
> +
> if (!toplevel->base.configured) {
> wl_resource_post_error(toplevel->resource,
> ZXDG_SURFACE_V6_ERROR_NOT_CONSTRUCTED,
> @@ -757,11 +766,18 @@ weston_desktop_xdg_popup_protocol_grab(struct wl_client
> *wl_client,
> struct weston_desktop_xdg_popup *popup =
> weston_desktop_surface_get_implementation_data(dsurface);
> struct weston_seat *wseat = wl_resource_get_user_data(seat_resource);
> - struct weston_desktop_seat *seat = weston_desktop_seat_from_seat(wseat);
> + struct weston_desktop_seat *seat;
> struct weston_desktop_surface *topmost;
> bool parent_is_toplevel =
> popup->parent->role == WESTON_DESKTOP_XDG_SURFACE_ROLE_TOPLEVEL;
>
> + if (wseat == NULL) {
> +
> weston_desktop_surface_popup_dismiss(popup->base.desktop_surface);
> + return;
> + }
> +
> + seat = weston_desktop_seat_from_seat(wseat);
> +
> if (popup->committed) {
> wl_resource_post_error(popup->resource,
> ZXDG_POPUP_V6_ERROR_INVALID_GRAB,
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