100 lines
3.2 KiB
C++
100 lines
3.2 KiB
C++
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/*
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DummyPlayer(Proxy) - access point and service implementing a dummy test player
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Copyright (C) Lumiera.org
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2009, Hermann Vosseler <Ichthyostega@web.de>
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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* *****************************************************/
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/** @file dummy-player-interface-proxy.hpp
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** This is an implementation fragment, intended to be included into common/interfaceproxy.cpp
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**
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** The purpose is to define a proxy implementation of lumiera::DummyPlayer, in order to
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** redirect any calls through the associated C Language Interface "lumieraorg_DummyPlayer"
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**
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** @see dummy-player-facade.hpp
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** @see dummy-player-service.hpp actual implementation within the Proc-Layer
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*/
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/* ==================== DummyPlayer ======================================= */
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#include "proc/play/dummy-player-service.hpp"
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namespace proc {
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namespace play {
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/** storage for the DummyPlayer facade proxy factory... */
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lumiera::facade::Accessor<DummyPlayer> DummyPlayer::facade;
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} }
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namespace lumiera {
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namespace facade {
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typedef lumiera::InstanceHandle< LUMIERA_INTERFACE_INAME(lumieraorg_DummyPlayer, 0)
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, proc::play::DummyPlayer
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> IHandle_DummyPlayer;
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template<>
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class Proxy<IHandle_DummyPlayer>
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: public Holder<IHandle_DummyPlayer>
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{
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//----Proxy-Implementation-of-DummyPlayer--------
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typedef proc::play::DummyPlayer::Process Process;
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typedef proc::play::ProcessImpl ProcessImpl;
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/** @note as an optimisation we hand out a direct reference
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* to the implementing process object. While this ref could
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* still be passed as handle to the C Language interface, using
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* it directly within the client (=GUI) bypasses the C interface
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* and thus leaves us only with one level of indirection,
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* irrespective if using the C or C++ interface.
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*/
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Process start(LumieraDisplaySlot viewerHandle)
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{
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ProcessImpl* pP = static_cast<ProcessImpl*> (_i_.startPlay (viewerHandle));
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if (!pP)
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throw lumiera::error::State("failed to start DummyPlayer", lumiera_error());
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return pP->createHandle();
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}
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public:
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Proxy (IHandle const& iha) : THolder(iha) {}
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};
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template void openProxy<IHandle_DummyPlayer> (IHandle_DummyPlayer const&);
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template void closeProxy<IHandle_DummyPlayer> (void);
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} // namespace facade
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} // namespace lumiera
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