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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "BackgroundInfoLoader.h"
#include "FileItem.h"
#include "URL.h"
#include "threads/Thread.h"
#include "utils/log.h"
#include <mutex>
CBackgroundInfoLoader::CBackgroundInfoLoader() : m_thread (NULL)
{
m_bStop = true;
m_pObserver=NULL;
m_pProgressCallback=NULL;
m_pVecItems = NULL;
m_bIsLoading = false;
}
CBackgroundInfoLoader::~CBackgroundInfoLoader()
{
StopThread();
}
void CBackgroundInfoLoader::Run()
{
try
{
if (!m_vecItems.empty())
{
OnLoaderStart();
// Stage 1: All "fast" stuff we have already cached
for (std::vector<CFileItemPtr>::const_iterator iter = m_vecItems.begin(); iter != m_vecItems.end(); ++iter)
{
const CFileItemPtr& pItem = *iter;
// Ask the callback if we should abort
if ((m_pProgressCallback && m_pProgressCallback->Abort()) || m_bStop)
break;
try
{
if (LoadItemCached(pItem.get()) && m_pObserver)
m_pObserver->OnItemLoaded(pItem.get());
}
catch (...)
{
CLog::Log(LOGERROR,
"CBackgroundInfoLoader::LoadItemCached - Unhandled exception for item {}",
CURL::GetRedacted(pItem->GetPath()));
}
}
// Stage 2: All "slow" stuff that we need to lookup
for (std::vector<CFileItemPtr>::const_iterator iter = m_vecItems.begin(); iter != m_vecItems.end(); ++iter)
{
const CFileItemPtr& pItem = *iter;
// Ask the callback if we should abort
if ((m_pProgressCallback && m_pProgressCallback->Abort()) || m_bStop)
break;
try
{
if (LoadItemLookup(pItem.get()) && m_pObserver)
m_pObserver->OnItemLoaded(pItem.get());
}
catch (...)
{
CLog::Log(LOGERROR,
"CBackgroundInfoLoader::LoadItemLookup - Unhandled exception for item {}",
CURL::GetRedacted(pItem->GetPath()));
}
}
}
OnLoaderFinish();
m_bIsLoading = false;
}
catch (...)
{
m_bIsLoading = false;
CLog::Log(LOGERROR, "{} - Unhandled exception", __FUNCTION__);
}
}
void CBackgroundInfoLoader::Load(CFileItemList& items)
{
StopThread();
if (items.IsEmpty())
return;
std::unique_lock<CCriticalSection> lock(m_lock);
for (int nItem=0; nItem < items.Size(); nItem++)
m_vecItems.push_back(items[nItem]);
m_pVecItems = &items;
m_bStop = false;
m_bIsLoading = true;
m_thread = new CThread(this, "BackgroundLoader");
m_thread->Create();
m_thread->SetPriority(ThreadPriority::BELOW_NORMAL);
}
void CBackgroundInfoLoader::StopAsync()
{
m_bStop = true;
}
void CBackgroundInfoLoader::StopThread()
{
StopAsync();
if (m_thread)
{
m_thread->StopThread();
delete m_thread;
m_thread = NULL;
}
m_vecItems.clear();
m_pVecItems = NULL;
m_bIsLoading = false;
}
bool CBackgroundInfoLoader::IsLoading()
{
return m_bIsLoading;
}
void CBackgroundInfoLoader::SetObserver(IBackgroundLoaderObserver* pObserver)
{
m_pObserver = pObserver;
}
void CBackgroundInfoLoader::SetProgressCallback(IProgressCallback* pCallback)
{
m_pProgressCallback = pCallback;
}
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