blob: b15b13117c06fa2c8f3383c0272f47726df45726 [file] [log] [blame]
// Copyright 2014 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.
#include "base/memory/ref_counted.h"
#include "base/single_thread_task_runner.h"
#include "ipc/ipc_listener.h"
#include "ipc/ipc_sender.h"
#include "ui/ozone/ozone_base_export.h"
namespace ui {
// Platform-specific object to support a GPU process host.
// ChromeOS on bare hardware will do display configuration and cursor
// movement from the GPU process. This provides a conduit for the
// messages needed to make this work.
// Under X11, we don't need any GPU messages for display configuration.
// That's why there's no real functionality here: it's purely mechanism
// to support additional messages needed by specific platforms.
class OZONE_BASE_EXPORT GpuPlatformSupportHost : public IPC::Listener {
~GpuPlatformSupportHost() override;
// Called when the GPU process is spun up & channel established.
virtual void OnChannelEstablished(
int host_id,
scoped_refptr<base::SingleThreadTaskRunner> send_runner,
const base::Callback<void(IPC::Message*)>& sender) = 0;
// Called when the GPU process is destroyed.
virtual void OnChannelDestroyed(int host_id) = 0;
// create a stub implementation.
OZONE_BASE_EXPORT GpuPlatformSupportHost* CreateStubGpuPlatformSupportHost();
} // namespace ui