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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_UTILITY_PROCESS_HOST_IMPL_H_
#define CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/memory/ref_counted.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "content/public/browser/browser_child_process_host_delegate.h"
#include "content/public/browser/utility_process_host.h"
namespace base {
class SequencedTaskRunner;
}
namespace content {
class BrowserChildProcessHostImpl;
class UtilityMainThread;
class CONTENT_EXPORT UtilityProcessHostImpl
: public NON_EXPORTED_BASE(UtilityProcessHost),
public BrowserChildProcessHostDelegate {
public:
UtilityProcessHostImpl(UtilityProcessHostClient* client,
base::SequencedTaskRunner* client_task_runner);
virtual ~UtilityProcessHostImpl();
// UtilityProcessHost implementation:
virtual bool Send(IPC::Message* message) OVERRIDE;
virtual bool StartBatchMode() OVERRIDE;
virtual void EndBatchMode() OVERRIDE;
virtual void SetExposedDir(const base::FilePath& dir) OVERRIDE;
virtual void EnableMDns() OVERRIDE;
virtual void DisableSandbox() OVERRIDE;
virtual void EnableZygote() OVERRIDE;
virtual const ChildProcessData& GetData() OVERRIDE;
#if defined(OS_POSIX)
virtual void SetEnv(const base::EnvironmentVector& env) OVERRIDE;
#endif
void set_child_flags(int flags) { child_flags_ = flags; }
private:
// Starts a process if necessary. Returns true if it succeeded or a process
// has already been started via StartBatchMode().
bool StartProcess();
// BrowserChildProcessHost:
virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
virtual void OnProcessCrashed(int exit_code) OVERRIDE;
// A pointer to our client interface, who will be informed of progress.
scoped_refptr<UtilityProcessHostClient> client_;
scoped_refptr<base::SequencedTaskRunner> client_task_runner_;
// True when running in batch mode, i.e., StartBatchMode() has been called
// and the utility process will run until EndBatchMode().
bool is_batch_mode_;
base::FilePath exposed_dir_;
// Whether utility process needs perform presandbox initialization for MDns.
bool is_mdns_enabled_;
// Whether to pass switches::kNoSandbox to the child.
bool no_sandbox_;
// Flags defined in ChildProcessHost with which to start the process.
int child_flags_;
// Launch the utility process from the zygote. Defaults to false.
bool use_linux_zygote_;
base::EnvironmentVector env_;
bool started_;
scoped_ptr<BrowserChildProcessHostImpl> process_;
#if !defined(CHROME_MULTIPLE_DLL)
// Used in single-process mode instead of process_.
scoped_ptr<UtilityMainThread> in_process_thread_;
#endif
DISALLOW_COPY_AND_ASSIGN(UtilityProcessHostImpl);
};
} // namespace content
#endif // CONTENT_BROWSER_UTILITY_PROCESS_HOST_IMPL_H_
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