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// 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.
#ifndef SHELL_CHILD_PROCESS_H_
#define SHELL_CHILD_PROCESS_H_
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "mojo/edk/embedder/scoped_platform_handle.h"
namespace base {
class CommandLine;
}
namespace mojo {
namespace shell {
// A base class for child processes -- i.e., code that is actually run within
// the child process. (Instances are manufactured by |Create()|.)
class ChildProcess {
public:
virtual ~ChildProcess();
// Returns null if the command line doesn't indicate that this is a child
// process. |main()| should call this, and if it returns non-null it should
// call |Main()| (without a message loop on the current thread).
static scoped_ptr<ChildProcess> Create(const base::CommandLine& command_line);
// To be implemented by subclasses. This is the "entrypoint" for a child
// process. Run with no message loop for the main thread.
virtual void Main() = 0;
protected:
ChildProcess();
embedder::ScopedPlatformHandle* platform_channel() {
return &platform_channel_;
}
private:
// Available in |Main()| (after a successful |Create()|).
embedder::ScopedPlatformHandle platform_channel_;
DISALLOW_COPY_AND_ASSIGN(ChildProcess);
};
} // namespace shell
} // namespace mojo
#endif // SHELL_CHILD_PROCESS_H_
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