strawberry-audio-player-win.../src/covermanager/coverprovider.h

68 lines
2.1 KiB
C++

/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2010, David Sansome <me@davidsansome.com>
*
* Strawberry 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 3 of the License, or
* (at your option) any later version.
*
* Strawberry 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 Strawberry. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef COVERPROVIDER_H
#define COVERPROVIDER_H
#include "config.h"
#include <stdbool.h>
#include <QObject>
#include <QList>
#include <QString>
#include "albumcoverfetcher.h"
class Application;
// Each implementation of this interface downloads covers from one online service.
// There are no limitations on what this service might be - last.fm, Amazon, Google Images - you name it.
class CoverProvider : public QObject {
Q_OBJECT
public:
explicit CoverProvider(const QString &name, const float &quality, const bool &fetchall, Application *app, QObject *parent);
// A name (very short description) of this provider, like "last.fm".
QString name() const { return name_; }
bool quality() const { return quality_; }
bool fetchall() const { return fetchall_; }
// Starts searching for covers matching the given query text.
// Returns true if the query has been started, or false if an error occurred.
// The provider should remember the ID and emit it along with the result when it finishes.
virtual bool StartSearch(const QString &artist, const QString &album, int id) = 0;
virtual void CancelSearch(int id) {}
signals:
void SearchFinished(int id, const CoverSearchResults& results);
private:
Application *app_;
QString name_;
float quality_;
bool fetchall_;
};
#endif // COVERPROVIDER_H