1 files changed, 83 insertions, 0 deletions
diff --git a/widget/gtk/MozContainerWayland.h b/widget/gtk/MozContainerWayland.h
new file mode 100644
index 0000000000..6decd5646c
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+++ b/widget/gtk/MozContainerWayland.h
@@ -0,0 +1,83 @@
+/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=4:tabstop=4:
+ */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef __MOZ_CONTAINER_WAYLAND_H__
+#define __MOZ_CONTAINER_WAYLAND_H__
+
+#include <gtk/gtk.h>
+#include <functional>
+#include <vector>
+#include "mozilla/Mutex.h"
+
+/*
+ * MozContainer
+ *
+ * This class serves three purposes in the nsIWidget implementation.
+ *
+ *   - It provides objects to receive signals from GTK for events on native
+ *     windows.
+ *
+ *   - It provides GdkWindow to draw content on Wayland or when Gtk+ renders
+ *     client side decorations to mShell.
+ */
+
+/* Workaround for bug at wayland-util.h,
+ * present in wayland-devel < 1.12
+ */
+struct wl_surface;
+struct wl_subsurface;
+
+struct MozContainerWayland {
+  struct wl_surface* surface;
+  struct wl_subsurface* subsurface;
+  int subsurface_dx, subsurface_dy;
+  struct wl_egl_window* eglwindow;
+  struct wl_callback* frame_callback_handler;
+  int frame_callback_handler_surface_id;
+  gboolean opaque_region_needs_update;
+  gboolean opaque_region_subtract_corners;
+  gboolean opaque_region_fullscreen;
+  gboolean surface_position_needs_update;
+  gboolean surface_needs_clear;
+  gboolean ready_to_draw;
+  std::vector<std::function<void(void)>> initial_draw_cbs;
+  // mozcontainer is used from Compositor and Rendering threads
+  // so we need to control access to mozcontainer where wayland internals
+  // are used directly.
+  mozilla::Mutex* container_lock;
+};
+
+struct _MozContainer;
+struct _MozContainerClass;
+typedef struct _MozContainer MozContainer;
+typedef struct _MozContainerClass MozContainerClass;
+
+void moz_container_wayland_class_init(MozContainerClass* klass);
+void moz_container_wayland_init(MozContainerWayland* container);
+
+struct wl_surface* moz_container_wayland_surface_lock(MozContainer* container);
+void moz_container_wayland_surface_unlock(MozContainer* container,
+                                          struct wl_surface** surface);
+
+struct wl_egl_window* moz_container_wayland_get_egl_window(
+    MozContainer* container, int scale);
+
+gboolean moz_container_wayland_has_egl_window(MozContainer* container);
+gboolean moz_container_wayland_surface_needs_clear(MozContainer* container);
+void moz_container_wayland_move_resize(MozContainer* container, int dx, int dy,
+                                       int width, int height);
+void moz_container_wayland_egl_window_set_size(MozContainer* container,
+                                               int width, int height);
+void moz_container_wayland_set_scale_factor(MozContainer* container);
+void moz_container_wayland_add_initial_draw_callback(
+    MozContainer* container, const std::function<void(void)>& initial_draw_cb);
+wl_surface* moz_gtk_widget_get_wl_surface(GtkWidget* aWidget);
+void moz_container_wayland_update_opaque_region(MozContainer* container,
+                                                bool aSubtractCorners);
+gboolean moz_container_wayland_can_draw(MozContainer* container);
+
+#endif /* __MOZ_CONTAINER_WAYLAND_H__ */