src/foreign.c: verify associated view is still valid

Closes #172

diff --git a/src/foreign.c b/src/foreign.c
index 38df561613d88c70675cb0fd28a5e2c480ea4e48..93e76b3a27a3affa8723bc546cd9fc1b34919c1b 100644 (file)
--- a/src/foreign.c
+++ b/src/foreign.c
@@ -7,7 +7,9 @@ handle_toplevel_handle_request_minimize(struct wl_listener *listener, void *data
        struct view *view = wl_container_of(listener, view,
                toplevel_handle_request_minimize);
        struct wlr_foreign_toplevel_handle_v1_minimized_event *event = data;
-       view_minimize(view, event->minimized);
+       if (view) {
+               view_minimize(view, event->minimized);
+       }
 }
 
 static void
@@ -16,7 +18,9 @@ handle_toplevel_handle_request_maximize(struct wl_listener *listener, void *data
        struct view *view = wl_container_of(listener, view,
                toplevel_handle_request_maximize);
        struct wlr_foreign_toplevel_handle_v1_maximized_event *event = data;
-       view_maximize(view, event->maximized);
+       if (view) {
+               view_maximize(view, event->maximized);
+       }
 }
 
 static void
@@ -25,7 +29,9 @@ handle_toplevel_handle_request_fullscreen(struct wl_listener *listener, void *da
        struct view *view = wl_container_of(listener, view,
                toplevel_handle_request_fullscreen);
        struct wlr_foreign_toplevel_handle_v1_fullscreen_event *event = data;
-       view_set_fullscreen(view, event->fullscreen, NULL);
+       if (view) {
+               view_set_fullscreen(view, event->fullscreen, NULL);
+       }
 }
 
 static void
@@ -35,8 +41,10 @@ handle_toplevel_handle_request_activate(struct wl_listener *listener, void *data
                toplevel_handle_request_activate);
        // struct wlr_foreign_toplevel_handle_v1_activated_event *event = data;
        /* In a multi-seat world we would select seat based on event->seat here. */
-       desktop_focus_and_activate_view(&view->server->seat, view);
-       desktop_move_to_front(view);
+       if (view) {
+               desktop_focus_and_activate_view(&view->server->seat, view);
+               desktop_move_to_front(view);
+       }
 }
 
 static void
@@ -44,7 +52,9 @@ handle_toplevel_handle_request_close(struct wl_listener *listener, void *data)
 {
        struct view *view = wl_container_of(listener, view,
                toplevel_handle_request_close);
-       view_close(view);
+       if (view) {
+               view_close(view);
+       }
 }
 
 void