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

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/*
* Strawberry Music Player
* This file was part of Clementine.
* Copyright 2012, Martin Björklund <mbj4668@gmail.com>
* Copyright 2016, Jonas Kvinge <jonas@jkvinge.net>
*
* 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 DISCOGSCOVERPROVIDER_H
#define DISCOGSCOVERPROVIDER_H
#include "config.h"
#include <QXmlStreamReader>
#include <QNetworkReply>
#include "coverprovider.h"
class QNetworkAccessManager;
// This struct represents a single search-for-cover 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;
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CoverSearchResults results;
};
Q_DECLARE_METATYPE(DiscogsCoverSearchContext)
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// 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)
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class DiscogsCoverProvider : public CoverProvider {
Q_OBJECT
public:
explicit DiscogsCoverProvider(QObject *parent = nullptr);
bool StartSearch(const QString &artist, const QString &album, int s_id);
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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);
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void HandleReleaseReply(QNetworkReply *reply, int s_id, int r_id);
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private:
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static const char *kUrlSearch;
static const char *kUrlReleases;
static const char *kAccessKeyB64;
static const char *kSecretKeyB64;
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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);
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void EndSearch(DiscogsCoverReleaseContext *r_ctx);
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};
#endif // DISCOGSCOVERPROVIDER_H