widget/gtk/MozContainerWayland.h

   1 /* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim:expandtab:shiftwidth=4:tabstop=4:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #ifndef __MOZ_CONTAINER_WAYLAND_H__
   9 #define __MOZ_CONTAINER_WAYLAND_H__
  10
  11 #include <gtk/gtk.h>
  12 #include <functional>
  13 #include <vector>
  14 #include "mozilla/Mutex.h"
  15 #include "WindowSurface.h"
  16
  17 /*
  18  * MozContainer
  19  *
  20  * This class serves three purposes in the nsIWidget implementation.
  21  *
  22  *   - It provides objects to receive signals from GTK for events on native
  23  *     windows.
  24  *
  25  *   - It provides GdkWindow to draw content on Wayland or when Gtk+ renders
  26  *     client side decorations to mShell.
  27  */
  28
  29 /* Workaround for bug at wayland-util.h,
  30  * present in wayland-devel < 1.12
  31  */
  32 struct wl_surface;
  33 struct wl_subsurface;
  34
  35 struct MozContainerWayland {
  36   struct wl_surface* surface;
  37   struct wl_subsurface* subsurface;
  38   int subsurface_dx, subsurface_dy;
  39   struct wl_egl_window* eglwindow;
  40   struct wl_callback* frame_callback_handler;
  41   struct wp_viewport* viewport;
  42   gboolean opaque_region_needs_updates;
  43   int opaque_region_corner_radius;
  44   gboolean opaque_region_used;
  45   gboolean ready_to_draw;
  46   gboolean commit_to_parent;
  47   gboolean before_first_size_alloc;
  48   int buffer_scale;
  49   std::vector<std::function<void(void)>> initial_draw_cbs;
  50   // mozcontainer is used from Compositor and Rendering threads
  51   // so we need to control access to mozcontainer where wayland internals
  52   // are used directly.
  53   mozilla::Mutex* container_lock;
  54 };
  55
  56 struct _MozContainer;
  57 struct _MozContainerClass;
  58 typedef struct _MozContainer MozContainer;
  59 typedef struct _MozContainerClass MozContainerClass;
  60
  61 void moz_container_wayland_class_init(MozContainerClass* klass);
  62 void moz_container_wayland_init(MozContainerWayland* container);
  63
  64 struct wl_surface* moz_container_wayland_surface_lock(MozContainer* container);
  65 void moz_container_wayland_surface_unlock(MozContainer* container,
  66                                           struct wl_surface** surface);
  67
  68 struct wl_surface* moz_container_wayland_get_surface_locked(
  69     const mozilla::MutexAutoLock& aProofOfLock, MozContainer* container);
  70 void moz_container_wayland_lock(MozContainer* container);
  71 void moz_container_wayland_unlock(MozContainer* container);
  72
  73 struct wl_egl_window* moz_container_wayland_get_egl_window(
  74     MozContainer* container, double scale);
  75
  76 gboolean moz_container_wayland_has_egl_window(MozContainer* container);
  77 void moz_container_wayland_egl_window_set_size(MozContainer* container,
  78                                                int width, int height);
  79 void moz_container_wayland_set_scale_factor(MozContainer* container);
  80 void moz_container_wayland_set_scale_factor_locked(MozContainer* container);
  81 void moz_container_wayland_add_initial_draw_callback(
  82     MozContainer* container, const std::function<void(void)>& initial_draw_cb);
  83 void moz_container_wayland_clear_initial_draw_callback(MozContainer* container);
  84 wl_surface* moz_gtk_widget_get_wl_surface(GtkWidget* aWidget);
  85 void moz_container_wayland_update_opaque_region(MozContainer* container,
  86                                                 int corner_radius);
  87 gboolean moz_container_wayland_can_draw(MozContainer* container);
  88 double moz_container_wayland_get_scale(MozContainer* container);
  89 void moz_container_wayland_set_commit_to_parent(MozContainer* container);
  90 bool moz_container_wayland_is_commiting_to_parent(MozContainer* container);
  91
  92 #endif /* __MOZ_CONTAINER_WAYLAND_H__ */