Clementine-audio-player-Mac.../src/covers/discogscoverprovider.h

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/* This file is part of Clementine.
Copyright 2012, Martin Björklund <mbj4668@gmail.com>
Copyright 2018, Jonas Kvinge <jonas@jkvinge.net>
Clementine 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.
Clementine 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 Clementine. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef COVERS_DISCOGSCOVERPROVIDER_H
#define COVERS_DISCOGSCOVERPROVIDER_H
#include <QNetworkReply>
#include <QXmlStreamReader>
#include "coverprovider.h"
class QNetworkAccessManager;
// This struct represents a single search request. It identifies and describes
// the request.
struct DiscogsCoverSearchContext {
// the unique request identifier
int id;
// the search query
QString artist;
QString album;
QString title;
int r_count;
CoverSearchResults results;
};
Q_DECLARE_METATYPE(DiscogsCoverSearchContext)
// This struct represents a single release request. It identifies and describes
// the request.
struct DiscogsCoverReleaseContext {
int id; // the unique request identifier
int s_id; // the search request identifier
QString resource_url;
};
Q_DECLARE_METATYPE(DiscogsCoverReleaseContext)
class DiscogsCoverProvider : public CoverProvider {
Q_OBJECT
public:
explicit DiscogsCoverProvider(QObject* parent = nullptr);
bool StartSearch(const QString& artist, const QString& album, int s_id);
void CancelSearch(int id);
private slots:
void SearchRequestError(QNetworkReply::NetworkError error,
QNetworkReply* reply, int s_id);
void ReleaseRequestError(QNetworkReply::NetworkError error,
QNetworkReply* reply, int s_id, int r_id);
void HandleSearchReply(QNetworkReply* reply, int s_id);
void HandleReleaseReply(QNetworkReply* reply, int s_id, int r_id);
private:
static const char* kUrlSearch;
static const char* kUrlReleases;
static const char* kAccessKeyB64;
static const char* kSecretKeyB64;
QNetworkAccessManager* network_;
QHash<int, DiscogsCoverSearchContext*> requests_search_;
QHash<int, DiscogsCoverReleaseContext*> requests_release_;
bool StartRelease(DiscogsCoverSearchContext* s_ctx, int r_id,
QString resource_url);
void SendSearchRequest(DiscogsCoverSearchContext* s_ctx);
void SendReleaseRequest(DiscogsCoverSearchContext* s_ctx,
DiscogsCoverReleaseContext* r_ctx);
void EndSearch(DiscogsCoverSearchContext* s_ctx,
DiscogsCoverReleaseContext* r_ctx);
void EndSearch(DiscogsCoverSearchContext* s_ctx);
void EndSearch(DiscogsCoverReleaseContext* r_ctx);
};
#endif // COVERS_DISCOGSCOVERPROVIDER_H