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// Copyright (c) 2011 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 CONTENT_BROWSER_GPU_PROCESS_HOST_H_
#define CONTENT_BROWSER_GPU_PROCESS_HOST_H_
#pragma once
#include "base/threading/non_thread_safe.h"
#include "content/browser/browser_child_process_host.h"
#include "content/common/gpu_feature_flags.h"
#include "content/common/gpu_process_launch_causes.h"
namespace IPC {
class Message;
}
class GpuProcessHost : public BrowserChildProcessHost,
public base::NonThreadSafe {
public:
// Create a GpuProcessHost with the given ID. The object can be found using
// FromID with the same id.
static GpuProcessHost* Create(
int host_id,
const GpuFeatureFlags& gpu_feature_flags,
content::CauseForGpuLaunch);
// Get the GPU process host for the GPU process with the given ID. Returns
// null if the process no longer exists.
static GpuProcessHost* FromID(int host_id);
virtual bool Send(IPC::Message* msg);
// IPC::Channel::Listener implementation.
virtual bool OnMessageReceived(const IPC::Message& message);
private:
GpuProcessHost(int host_id,
const GpuFeatureFlags& gpu_feature_flags,
content::CauseForGpuLaunch);
virtual ~GpuProcessHost();
bool Init();
// Post an IPC message to the UI shim's message handler on the UI thread.
void RouteOnUIThread(const IPC::Message& message);
virtual bool CanShutdown();
virtual void OnProcessLaunched();
virtual void OnChildDied();
virtual void OnProcessCrashed(int exit_code);
bool LaunchGpuProcess();
// The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
int host_id_;
GpuFeatureFlags gpu_feature_flags_;
DISALLOW_COPY_AND_ASSIGN(GpuProcessHost);
};
#endif // CONTENT_BROWSER_GPU_PROCESS_HOST_H_
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