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// Copyright (c) 2013 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 REMOTING_HOST_WIN_CHROMOTING_MODULE_H_
#define REMOTING_HOST_WIN_CHROMOTING_MODULE_H_
#include <atlbase.h>
#include <atlcom.h>
#include <atlctl.h>
#include "base/basictypes.h"
#include "base/memory/ref_counted.h"
#include "base/win/scoped_com_initializer.h"
// chromoting_lib.h contains MIDL-generated declarations.
#include "remoting/host/chromoting_lib.h"
namespace base {
namespace win {
class ScopedCOMInitializer;
} // namespace win
} // namespace base
namespace remoting {
class AutoThreadTaskRunner;
// A custom version of |CAtlModuleT<>| that registers only those classes which
// registration entries are passed to the constructor. |ChromotingModule| runs
// |MessageLoop| allowing Chromium code to post tasks to it. Unlike
// |CAtlExeModuleT<>|, |ChromotingModule| shuts itself down immediately once
// the last COM object is released.
class ChromotingModule : public ATL::CAtlModuleT<ChromotingModule> {
public:
// Initializes the module. |classes| and |classes_end| must outlive |this|.
ChromotingModule(ATL::_ATL_OBJMAP_ENTRY* classes,
ATL::_ATL_OBJMAP_ENTRY* classes_end);
virtual ~ChromotingModule();
// Returns the task runner used by the module. Returns NULL if the task runner
// hasn't been registered yet or if the server is shutting down.
static scoped_refptr<AutoThreadTaskRunner> task_runner();
// Registers COM classes and runs the main message loop until there are
// components using it.
bool Run();
// ATL::CAtlModuleT<> overrides
virtual LONG Unlock() OVERRIDE;
DECLARE_LIBID(LIBID_ChromotingLib)
private:
// Registers/unregisters class objects from |classes_| - |classes_end_|.
HRESULT RegisterClassObjects(DWORD class_context, DWORD flags);
HRESULT RevokeClassObjects();
// Used to initialize COM library.
base::win::ScopedCOMInitializer com_initializer_;
// Point to the vector of classes registered by this module.
ATL::_ATL_OBJMAP_ENTRY* classes_;
ATL::_ATL_OBJMAP_ENTRY* classes_end_;
DISALLOW_COPY_AND_ASSIGN(ChromotingModule);
};
} // namespace remoting
#endif // REMOTING_HOST_WIN_CHROMOTING_MODULE_H_
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