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/*
* Copyright (C) 2009-2012 Geometer Plus <[email protected]>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301, USA.
*/
#include <ZLNetworkRequest.h>
#include <ZLNetworkManager.h>
#include "OPDSCatalogItem.h"
#include "OPDSLink.h"
#include "OPDSXMLParser.h"
#include "NetworkOPDSFeedReader.h"
#include "../NetworkOperationData.h"
OPDSCatalogItem::OPDSCatalogItem(
const OPDSLink &link,
const std::string &title,
const std::string &summary,
const UrlInfoCollection &urlByType,
AccessibilityType accessibility,
int flags
) : NetworkCatalogItem(link, title, summary, urlByType, accessibility, flags), myLoadingState(Link) {
}
class OPDSCatalogItemRunnable : public ZLNetworkRequest::Listener {
public:
OPDSCatalogItemRunnable(shared_ptr<ZLNetworkRequest> request, NetworkItem::List &children, NetworkOperationData &data, shared_ptr<ZLNetworkRequest::Listener> listener) :
myChildren(children), myLoadingData(data), myListener(listener) {
request->setListener(this);
ZLNetworkManager::Instance().performAsync(request);
}
void finished(const std::string &error) {
myChildren.insert(myChildren.end(), myLoadingData.Items.begin(), myLoadingData.Items.end());
myListener->finished(error);
}
void setUIStatus(bool enabled) {
myListener->setUIStatus(enabled); //to hide refreshing while authentication dialog
}
private:
NetworkItem::List &myChildren;
NetworkOperationData &myLoadingData;
shared_ptr<ZLNetworkRequest::Listener> myListener;
};
std::string OPDSCatalogItem::loadChildren(NetworkItem::List &children, shared_ptr<ZLNetworkRequest::Listener> listener) {
myLoadingState.clear();
shared_ptr<ZLNetworkRequest> request = ((OPDSLink&)Link).createNetworkRequest(getCatalogUrl(), myLoadingState);
new OPDSCatalogItemRunnable(request, children, myLoadingState, listener);
return std::string();
}
bool OPDSCatalogItem::supportsResumeLoading() {
return true;
}
std::string OPDSCatalogItem::resumeLoading(NetworkItem::List &children, shared_ptr<ZLNetworkRequest::Listener> listener) {
shared_ptr<ZLNetworkRequest> request = myLoadingState.resume();
if (request.isNull()) {
listener->finished();
return std::string();
}
new OPDSCatalogItemRunnable(request, children, myLoadingState, listener);
return std::string();
}
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