comparison data/fileio/FileFinder.h @ 210:a06afefe45ee

* Cancel when downloading file
* Handle status codes (404 etc)
* Add RemoteFile::isAvailable
* Start on FileFinder for looking up files referred to in distant sessions

+/* -*- c-basic-offset: 4 indent-tabs-mode: nil -*-  vi:set ts=8 sts=4 sw=4: */
+
+/*
+    Sonic Visualiser
+    An audio file viewer and annotation editor.
+    Centre for Digital Music, Queen Mary, University of London.
+    This file copyright 2007 QMUL.
+    
+    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.  See the file
+    COPYING included with this distribution for more information.
+*/
+
+#ifndef _FILE_FINDER_H_
+#define _FILE_FINDER_H_
+
+#include <QString>
+
+class FileFinder
+{
+public:
+    /**
+     * Find a file.
+     *
+     * "location" is what we know about where the file is supposed to
+     * be: it may be a relative path, an absolute path, a URL, or just
+     * a filename.
+     *
+     * "lastKnownLocation", if provided, is a path or URL of something
+     * that can be used as a reference point to locate it -- for
+     * example, the location of the session file that is referring to
+     * the file we're looking for.
+     */
+    FileFinder(QString location, QString lastKnownLocation = "");
+    virtual ~FileFinder();
+
+    QString getLocation();
+
+protected:
+    QString m_location;
+    QString m_lastKnownLocation;
+    QString m_lastLocatedLocation;
+};
+
+#endif
+