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// Copyright (c) 2012 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_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
#define CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
#include <list>
#include "base/compiler_specific.h"
#include "base/memory/scoped_ptr.h"
#include "base/process.h"
#include "content/browser/child_process_launcher.h"
#include "content/public/browser/browser_child_process_host.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/common/child_process_host_delegate.h"
namespace content {
class BrowserChildProcessHostIterator;
// Plugins/workers and other child processes that live on the IO thread use this
// class. RenderProcessHostImpl is the main exception that doesn't use this
/// class because it lives on the UI thread.
class CONTENT_EXPORT BrowserChildProcessHostImpl
: public BrowserChildProcessHost,
public NON_EXPORTED_BASE(ChildProcessHostDelegate),
public ChildProcessLauncher::Client {
public:
BrowserChildProcessHostImpl(
ProcessType type,
BrowserChildProcessHostDelegate* delegate);
virtual ~BrowserChildProcessHostImpl();
// Terminates all child processes and deletes each BrowserChildProcessHost
// instance.
static void TerminateAll();
// BrowserChildProcessHost implementation:
virtual bool Send(IPC::Message* message) OVERRIDE;
virtual void Launch(
#if defined(OS_WIN)
const base::FilePath& exposed_dir,
#elif defined(OS_POSIX)
bool use_zygote,
const base::EnvironmentVector& environ,
#endif
CommandLine* cmd_line) OVERRIDE;
virtual const ChildProcessData& GetData() const OVERRIDE;
virtual ChildProcessHost* GetHost() const OVERRIDE;
virtual base::TerminationStatus GetTerminationStatus(int* exit_code) OVERRIDE;
virtual void SetName(const string16& name) OVERRIDE;
virtual void SetHandle(base::ProcessHandle handle) OVERRIDE;
// Returns the handle of the child process. This can be called only after
// OnProcessLaunched is called or it will be invalid and may crash.
base::ProcessHandle GetHandle() const;
// Removes this host from the host list. Calls ChildProcessHost::ForceShutdown
void ForceShutdown();
// Controls whether the child process should be terminated on browser
// shutdown. Default is to always terminate.
void SetTerminateChildOnShutdown(bool terminate_on_shutdown);
// Sends the given notification on the UI thread.
void Notify(int type);
BrowserChildProcessHostDelegate* delegate() const { return delegate_;
}
typedef std::list<BrowserChildProcessHostImpl*> BrowserChildProcessList;
private:
friend class BrowserChildProcessHostIterator;
static BrowserChildProcessList* GetIterator();
// ChildProcessHostDelegate implementation:
virtual bool CanShutdown() OVERRIDE;
virtual void OnChildDisconnected() OVERRIDE;
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnChannelConnected(int32 peer_pid) OVERRIDE;
virtual void OnChannelError() OVERRIDE;
// ChildProcessLauncher::Client implementation.
virtual void OnProcessLaunched() OVERRIDE;
ChildProcessData data_;
BrowserChildProcessHostDelegate* delegate_;
scoped_ptr<ChildProcessHost> child_process_host_;
scoped_ptr<ChildProcessLauncher> child_process_;
};
} // namespace content
#endif // CONTENT_BROWSER_BROWSER_CHILD_PROCESS_HOST_IMPL_H_
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