text: /**********************************************************************
   *  LeechCraft - modular cross-platform feature rich internet client.
   *  Copyright (C) 2010-2015  Oleg Linkin
   *
   *  Boost Software License - Version 1.0 - August 17th, 2003
   *
   *  Permission is hereby granted, free of charge, to any person or organization
   *  obtaining a copy of the software and accompanying documentation covered by
   *  this license (the "Software") to use, reproduce, display, distribute,
   *  execute, and transmit the Software, and to prepare derivative works of the
   *  Software, and to permit third-parties to whom the Software is furnished to
   *  do so, all subject to the following:
   *
   *  The copyright notices in the Software and this entire statement, including
   *  the above license grant, this restriction and the following disclaimer,
   *  must be included in all copies of the Software, in whole or in part, and
   *  all derivative works of the Software, unless such copies or derivative
   *  works are solely in the form of machine-executable object code generated by
   *  a source language processor.
   *
   *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   *  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   *  FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
   *  SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
   *  FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
   *  ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
   *  DEALINGS IN THE SOFTWARE.
   *
   **********************************************************************/
  
  #include "downmanager.h"
  #include <QDesktopServices>
  #include <QFileInfo>
  #include <interfaces/core/ientitymanager.h>
  #include <interfaces/netstoremanager/istorageaccount.h>
  #include <util/xpc/util.h>
  
  namespace LeechCraft
  {
  namespace NetStoreManager
  {
  	DownManager::DownManager (ICoreProxy_ptr proxy, QObject *parent)
  	: QObject { parent }
  	, Proxy_ (proxy)
  	{
  	}
  
  	void DownManager::SendEntity (const Entity& e)
  	{
  		Proxy_->GetEntityManager ()->HandleEntity (e);
  	}
  
  	void DownManager::DelegateEntity (const Entity& e, const QString& targetPath,
  			bool openAfterDownload)
  	{
  		auto res = Proxy_->GetEntityManager ()->DelegateEntity (e);
  		if (res.ID_ == -1)
  		{
  			auto notif = Util::MakeNotification (tr ("Import error"),
  				tr ("Could not find plugin to download %1.")
  						.arg (e.Entity_.toString ()),
  				PCritical_);
  			SendEntity (notif);
  			return;
  		}
  
  		Id2SavePath_ [res.ID_] = targetPath;
  		Id2OpenAfterDownloadState_ [res.ID_] = openAfterDownload;
  		HandleProvider (res.Handler_, res.ID_);
  	}
  
  	void DownManager::HandleProvider (QObject* provider, int id)
  	{
  		Id2Downloader_ [id] = provider;
  
  		if (Downloaders_.contains (provider))
  			return;
  
  		Downloaders_ << provider;
  		connect (provider,
  				SIGNAL (jobFinished (int)),
  				this,
  				SLOT (handleJobFinished (int)));
  		connect (provider,
  				SIGNAL (jobRemoved (int)),
  				this,
  				SLOT (handleJobRemoved (int)));
  		connect (provider,
  				SIGNAL (jobError (int, IDownload::Error)),
  				this,
  				SLOT (handleJobError (int, IDownload::Error)));
  
  	}
  
  	void DownManager::handleDownloadRequest (const QUrl& url,
  			const QString& filePath, TaskParameters tp, bool open)
  	{
  		QString savePath;
  		if (open)
  #if QT_VERSION < 0x050000
  			savePath = QDesktopServices::storageLocation (QDesktopServices::TempLocation) +
  #else
  			savePath = QStandardPaths::writableLocation (QStandardPaths::TempLocation) +
  #endif
  					"/" + filePath;
  		else
  			savePath = filePath;
  
  		auto e = Util::MakeEntity (url, savePath, tp);
  		e.Additional_ ["Filename"] = QFileInfo (filePath).fileName ();
  		open ?
  			DelegateEntity (e, savePath, open) :
  			SendEntity (e);
  	}
  
  	void DownManager::handleJobError (int id, IDownload::Error)
  	{
  		Id2Downloader_.remove (id);
  		Id2SavePath_.remove (id);
  		Id2OpenAfterDownloadState_.remove (id);
  	}
  
  	void DownManager::handleJobFinished (int id)
  	{
  		QString path = Id2SavePath_.take (id);
  		Id2Downloader_.remove (id);
  
  		if (Id2OpenAfterDownloadState_.contains (id) &&
  				Id2OpenAfterDownloadState_ [id])
  		{
  			SendEntity (Util::MakeEntity (QUrl::fromLocalFile (path),
  					QString (), OnlyHandle | FromUserInitiated));
  			Id2OpenAfterDownloadState_.remove (id);
  		}
  	}
  
  	void DownManager::handleJobRemoved (int id)
  	{
  		Id2Downloader_.remove (id);
  		Id2SavePath_.remove (id);
  		Id2OpenAfterDownloadState_.remove (id);
  	}
  
  }
  }
  