BatchLoader.h

//
//  BatchLoader.h
//  libraries/script-engine/src
//
//  Created by Ryan Huffman on 01/22/15
//  Copyright 2015 High Fidelity, Inc.
//
//  Distributed under the Apache License, Version 2.0.
//  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
//
 
 
#ifndef hifi_BatchLoader_h
#define hifi_BatchLoader_h
 
#include <QList>
#include <QMap>
#include <QObject>
#include <QSet>
#include <QString>
#include <QUrl>
 
#include "ScriptCache.h"
 
#include <mutex>
 
// Proxy object internal to <code>BatchLoader</code> to ensure threadsafety during loading actions
class ScriptCacheSignalProxy : public QObject {
    Q_OBJECT
public:
    void receivedContent(const QString& url, const QString& contents, bool isURL, bool success, const QString& status);
 
signals:
    void contentAvailable(const QString& url, const QString& contents, bool isURL, bool success, const QString& status);
};
 
class BatchLoader : public QObject {
    Q_OBJECT
public:
    BatchLoader(const QList<QUrl>& urls);
 
    void start(int maxRetries = ScriptRequest::MAX_RETRIES);
    bool isFinished() const { return _finished; };
 
signals:
    void finished(const QMap<QUrl, QString>& data, const QMap<QUrl, QString>& status);
 
private:
    void checkFinished();
 
    bool _started;
    bool _finished;
    QSet<QUrl> _urls;
    QMap<QUrl, QString> _data;
    QMap<QUrl, QString> _status;
};
 
#endif // hifi_BatchLoader_h