107 lines
2.7 KiB
C++
Executable File
107 lines
2.7 KiB
C++
Executable File
/**
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* @file llscriptresourceconsumer.cpp
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* @brief An interface for a script resource consumer.
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*
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* $LicenseInfo:firstyear=2008&license=viewerlgpl$
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* Second Life Viewer Source Code
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* Copyright (C) 2010, Linden Research, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation;
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* version 2.1 of the License only.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
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* $/LicenseInfo$
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*/
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#include "llscriptresourceconsumer.h"
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#include "llscriptresourcepool.h"
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LLScriptResourceConsumer::LLScriptResourceConsumer()
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: mScriptResourcePool(&LLScriptResourcePool::null)
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{ }
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// Get the resource pool this consumer is currently using.
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// virtual
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LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool()
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{
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return *mScriptResourcePool;
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}
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// Get the resource pool this consumer is currently using.
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// virtual
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const LLScriptResourcePool& LLScriptResourceConsumer::getScriptResourcePool() const
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{
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return *mScriptResourcePool;
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}
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// virtual
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void LLScriptResourceConsumer::setScriptResourcePool(LLScriptResourcePool& new_pool)
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{
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mScriptResourcePool = &new_pool;
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}
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bool LLScriptResourceConsumer::switchScriptResourcePools(LLScriptResourcePool& new_pool)
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{
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if (&new_pool == &LLScriptResourcePool::null)
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{
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LL_WARNS() << "New pool is null" << LL_ENDL;
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}
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if (isInPool(new_pool))
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{
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return true;
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}
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if (!canUseScriptResourcePool(new_pool))
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{
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return false;
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}
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S32 used_urls = getUsedPublicURLs();
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getScriptResourcePool().getPublicURLResource().release( used_urls );
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setScriptResourcePool(new_pool);
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getScriptResourcePool().getPublicURLResource().request( used_urls );
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return true;
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}
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bool LLScriptResourceConsumer::canUseScriptResourcePool(const LLScriptResourcePool& resource_pool)
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{
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if (isInPool(resource_pool))
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{
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return true;
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}
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if (resource_pool.getPublicURLResource().getAvailable() < getUsedPublicURLs())
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{
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return false;
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}
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return true;
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}
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bool LLScriptResourceConsumer::isInPool(const LLScriptResourcePool& resource_pool)
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{
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const LLScriptResourcePool& current_pool = getScriptResourcePool();
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if ( &resource_pool == ¤t_pool )
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{
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// This consumer is already in this pool
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return true;
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}
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return false;
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}
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