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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_ASYNCREQUESTS_HXX
#define INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_ASYNCREQUESTS_HXX
#include <cppuhelper/basemutex.hxx>
#include <comphelper/sequenceashashmap.hxx>
#include <osl/conditn.hxx>
#include <osl/thread.hxx>
#include <osl/time.h>
#include <queue>
#include <memory>
namespace fpicker{
namespace win32{
namespace vista{
/** @todo document me
*/
class Request
{
public:
static const ::sal_Int32 WAIT_INFINITE = 0;
// interface
public:
explicit Request()
: m_aJoiner ( )
, m_nRequest (-1)
, m_lArguments( )
{
m_aJoiner.reset();
}
virtual ~Request() {};
void setRequest(::sal_Int32 nRequest)
{
m_nRequest = nRequest;
}
::sal_Int32 getRequest()
{
return m_nRequest;
}
void clearArguments()
{
m_lArguments.clear();
}
template< class TArgumentType >
void setArgument(const OUString& sName ,
const TArgumentType& aValue)
{
m_lArguments[sName] = css::uno::toAny(aValue);
}
template< class TArgumentType >
TArgumentType getArgumentOrDefault(const OUString& sName ,
const TArgumentType& aDefault)
{
return m_lArguments.getUnpackedValueOrDefault(sName, aDefault);
}
css::uno::Any getValue(OUString const & key) const
{
return m_lArguments.getValue(key);
}
void wait(::sal_Int32 nMilliSeconds = WAIT_INFINITE);
void waitProcessMessages();
void notify();
// member
private:
::osl::Condition m_aJoiner;
::sal_Int32 m_nRequest;
::comphelper::SequenceAsHashMap m_lArguments;
};
typedef std::shared_ptr< Request > RequestRef;
typedef std::queue< RequestRef > RequestQueue;
class RequestHandler
{
public:
virtual ~RequestHandler() {}
virtual void before() = 0;
virtual void doRequest(const RequestRef& rRequest) = 0;
virtual void after() = 0;
};
typedef std::shared_ptr< RequestHandler > RequestHandlerRef;
/** @todo document me
*/
class AsyncRequests final: private ::cppu::BaseMutex
, public ::osl::Thread
{
public:
static const ::sal_Int16 PROCESS_MESSAGES = 2;
static const ::sal_Int16 BLOCKED = 1;
static const ::sal_Int16 NON_BLOCKED = 0;
/** creates the new asynchronous request executor.
*/
explicit AsyncRequests(const RequestHandlerRef& rHandler);
void setHandler(const RequestHandlerRef& rHandler)
{
m_rHandler = rHandler;
}
/// ensure the execution thread gets going.
void triggerJobExecution();
/** does nothing special / excepting to make sure our class won't be inline .-)
*/
virtual ~AsyncRequests() override;
/** @todo document me
*/
void triggerRequestProcessMessages (const RequestRef& rRequest);
/** @todo document me
*/
void triggerRequestBlocked(const RequestRef& rRequest);
/** @todo document me
*/
void triggerRequestNonBlocked(const RequestRef& rRequest);
/** @todo document me
*/
void triggerRequestDirectly(const RequestRef& rRequest);
/** @todo document me
*/
void triggerRequestThreadAware(const RequestRef& rRequest,
::sal_Int16 nWait );
private:
/** our STA .-)
* Will run between start() & finish(). Internally it runs a loop ...
* waiting for requests. Every request will be executed synchronously
* in blocked mode.
*/
virtual void SAL_CALL run() override;
private:
bool m_bFinish;
RequestHandlerRef m_rHandler;
RequestQueue m_lRequests;
osl::Condition maWait;
};
} // namespace vista
} // namespace win32
} // namespace fpicker
#endif // INCLUDED_FPICKER_SOURCE_WIN32_FILEPICKER_ASYNCREQUESTS_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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