components/exo/wayland/xdg_shell.h

// Copyright 2018 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef COMPONENTS_EXO_WAYLAND_XDG_SHELL_H_
#define COMPONENTS_EXO_WAYLAND_XDG_SHELL_H_

#include <stdint.h>

struct wl_client;
struct wl_resource;

namespace exo {
class Display;
class ShellSurfaceBase;
class ShellSurface;

namespace wayland {
class SerialTracker;

struct WaylandXdgShell {
  WaylandXdgShell(Display* display, SerialTracker* serial_tracker)
      : display(display), serial_tracker(serial_tracker) {}

  WaylandXdgShell(const WaylandXdgShell&) = delete;
  WaylandXdgShell& operator=(const WaylandXdgShell&) = delete;

  // Owned by WaylandServerController, which always outlives xdg_shell.
  Display* const display;

  // Owned by Server, which always outlives xdg_shell.
  SerialTracker* const serial_tracker;
};

void bind_xdg_shell(wl_client* client,
                    void* data,
                    uint32_t version,
                    uint32_t id);

struct ShellSurfaceData {
  ShellSurfaceData(ShellSurface* shell_surface,
                   SerialTracker* serial_tracker,
                   wl_resource* surface_resource)
      : shell_surface(shell_surface),
        serial_tracker(serial_tracker),
        surface_resource(surface_resource) {}

  ShellSurfaceData(const ShellSurfaceData&) = delete;
  ShellSurfaceData& operator=(const ShellSurfaceData&) = delete;

  ShellSurface* const shell_surface;

  // Owned by Server, which always outlives xdg_shell.
  SerialTracker* const serial_tracker;

  wl_resource* const surface_resource;
};

ShellSurfaceData GetShellSurfaceFromToplevelResource(
    wl_resource* surface_resource);

ShellSurfaceBase* GetShellSurfaceFromPopupResource(
    wl_resource* surface_resource);

}  // namespace wayland
}  // namespace exo

#endif  // COMPONENTS_EXO_WAYLAND_XDG_SHELL_H_