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122 lines
2.2 KiB
122 lines
2.2 KiB
#ifndef _DOWNLOADER_H
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#define _DOWNLOADER_H
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#include <kurl.h>
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#include <tqobject.h>
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#include <tqptrlist.h>
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class TQFile;
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class TQTimer;
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class Downloader;
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namespace TDEIO
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{
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class TransferJob;
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class Job;
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}
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/**
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* Item to download, usually queued up in Downloader
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**/
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class DownloadItem
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{
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friend class Downloader;
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public:
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DownloadItem();
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virtual ~DownloadItem();
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bool isDownloaded() const;
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/**
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* @return the local filename this item will be saved to
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**/
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TQString localFilename() const;
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virtual void setLocalFilename(const TQString &filename);
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/**
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* Called if this item has been fully downloaded
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**/
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virtual void downloadFinished();
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/**
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* Called at regular intervals while downloading this item
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**/
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virtual void downloaded(int percent);
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/**
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* Called when downloading this item timed out
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**/
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virtual void downloadTimeout();
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/**
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* @return true if the download was scheduled, false if the file is local
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**/
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bool enqueue(const KURL &url);
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/**
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* Remove this item from Downloader queue
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**/
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void dequeue();
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private:
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TQString mLocalFilename;
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};
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/**
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* download playlistitems, in a queue based fasion
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**/
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class Downloader : public TQObject
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{
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TQ_OBJECT
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struct QueueItem
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{
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DownloadItem *notifier;
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KURL file;
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TQString local;
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};
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public:
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Downloader(TQObject *parent=0);
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virtual ~Downloader();
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public slots:
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TQString enqueue(DownloadItem *notifier, const KURL &file);
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void dequeue(DownloadItem *notifier);
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/**
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* @internal
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**/
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void start();
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signals:
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/**
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* Emitted when a new DownloadItem was added to the queue
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* @p notifier is the added item
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**/
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void enqueued(DownloadItem *notifier, const KURL &file);
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/**
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* Emitted when a DownloadItem was removed from the queue
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* @p notifier is the removed item
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**/
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void dequeued(DownloadItem *notifier);
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private slots:
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void getNext();
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void data( TDEIO::Job *, const TQByteArray &data);
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void percent( TDEIO::Job *, unsigned long percent);
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void jobDone( TDEIO::Job *);
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void giveUpWithThisDownloadServerIsRunningNT();
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private:
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TQPtrList<Downloader::QueueItem> mQueue;
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TQPtrList<Downloader::QueueItem> *mUnstartedQueue;
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TQFile *localfile;
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Downloader::QueueItem *current;
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TDEIO::TransferJob *mJob;
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TQTimer *mTimeout;
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bool mStarted;
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};
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#endif
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