http plugin refactoring

git-svn-id: http://svn.code.sf.net/p/qmmp-dev/code/trunk/qmmp@2074 90c681e8-e032-0410-971d-27865f9a5e38

1 files changed, 125 insertions, 0 deletions

diff --git a/src/plugins/Transports/http/httpstreamreader.h b/src/plugins/Transports/http/httpstreamreader.h
new file mode 100644
index 000000000..4a7c7a82e
--- /dev/null
+++ b/src/plugins/Transports/http/httpstreamreader.h
@@ -0,0 +1,125 @@
+/***************************************************************************
+ *   Copyright (C) 2006-2011 by Ilya Kotov                                 *
+ *   forkotov02@hotmail.ru                                                 *
+ *                                                                         *
+ *   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.,                                       *
+ *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
+ ***************************************************************************/
+#ifndef HTTPSTREAMREADER_H
+#define HTTPSTREAMREADER_H
+
+#include <QObject>
+#include <QIODevice>
+#include <QUrl>
+#include <QMutex>
+#include <QString>
+#include <QMap>
+#include <QThread>
+#include <curl/curl.h>
+#ifdef WITH_ENCA
+#include <enca.h>
+#endif
+
+class QTextCodec;
+class QFileInfo;
+class DownloadThread;
+
+/*! @internal
+ *   @author Ilya Kotov <forkotov02@hotmail.ru>
+ */
+struct HttpStreamData
+{
+    char *buf;
+    long buf_fill;
+    QString content_type;
+    bool aborted;
+    QMap <QString, QString> header;
+    bool icy_meta_data;
+    int icy_metaint;
+};
+
+/*! @internal
+ *   @author Ilya Kotov <forkotov02@hotmail.ru>
+ */
+class HttpStreamReader : public QIODevice
+{
+    Q_OBJECT
+public:
+    HttpStreamReader(const QString &url, QObject *parent = 0);
+
+    virtual ~HttpStreamReader();
+
+    /**
+     *  QIODevice API
+     */
+    bool atEnd () const;
+    qint64 bytesAvailable () const;
+    qint64 bytesToWrite () const;
+    void close ();
+    bool isSequential () const;
+    bool open (OpenMode mode);
+    bool seek (qint64 pos);
+    /**
+     *  helper functions
+     */
+    QString contentType();
+    void downloadFile();
+    QMutex *mutex();
+    HttpStreamData *stream();
+    void checkBuffer();
+    void run();
+
+signals:
+    void ready();
+    void error();
+
+protected:
+    qint64 readData(char*, qint64);
+    qint64 writeData(const char*, qint64);
+
+private:
+    void abort();
+    qint64 readBuffer(char* data, qint64 maxlen);
+    void readICYMetaData();
+    void parseICYMetaData(char *data, qint64 size);
+    CURL *m_handle;
+    QMutex m_mutex;
+    HttpStreamData m_stream;
+    QString m_url;
+    int m_metacount;
+    QString m_title;
+    bool m_ready;
+    bool m_meta_sent;
+    long m_buffer_size;
+    QTextCodec *m_codec;
+    DownloadThread *m_thread;
+#ifdef WITH_ENCA
+    EncaAnalyser m_analyser;
+#endif
+};
+
+class DownloadThread : public QThread
+{
+    Q_OBJECT
+public:
+    DownloadThread(HttpStreamReader *parent);
+    virtual ~DownloadThread ();
+
+private:
+    virtual void run();
+    HttpStreamReader *m_parent;
+};
+
+#endif