104 lines
2.8 KiB
C++
104 lines
2.8 KiB
C++
/* Copyright 2013-2021 MultiMC Contributors
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <QList>
|
|
#include <QObject>
|
|
#include <QString>
|
|
|
|
#include <net/NetJob.h>
|
|
|
|
#include "NewsEntry.h"
|
|
|
|
class NewsChecker : public QObject {
|
|
Q_OBJECT
|
|
public:
|
|
/*!
|
|
* Constructs a news reader to read from the given RSS feed URL.
|
|
*/
|
|
NewsChecker(shared_qobject_ptr<QNetworkAccessManager> network, const QString& feedUrl);
|
|
|
|
/*!
|
|
* Returns the error message for the last time the news was loaded.
|
|
* Empty string if the last load was successful.
|
|
*/
|
|
QString getLastLoadErrorMsg() const;
|
|
|
|
/*!
|
|
* Returns true if the news has been loaded successfully.
|
|
*/
|
|
bool isNewsLoaded() const;
|
|
|
|
//! True if the news is currently loading. If true, reloadNews() will do nothing.
|
|
bool isLoadingNews() const;
|
|
|
|
/*!
|
|
* Returns a list of news entries.
|
|
*/
|
|
QList<NewsEntryPtr> getNewsEntries() const;
|
|
|
|
/*!
|
|
* Reloads the news from the website's RSS feed.
|
|
* If the news is already loading, this does nothing.
|
|
*/
|
|
void Q_SLOT reloadNews();
|
|
|
|
signals:
|
|
/*!
|
|
* Signal fired after the news has finished loading.
|
|
*/
|
|
void newsLoaded();
|
|
|
|
/*!
|
|
* Signal fired after the news fails to load.
|
|
*/
|
|
void newsLoadingFailed(QString errorMsg);
|
|
|
|
protected slots:
|
|
void rssDownloadFinished();
|
|
void rssDownloadFailed(QString reason);
|
|
|
|
protected: /* data */
|
|
//! The URL for the RSS feed to fetch.
|
|
QString m_feedUrl;
|
|
|
|
//! List of news entries.
|
|
QList<NewsEntryPtr> m_newsEntries;
|
|
|
|
//! The network job to use to load the news.
|
|
NetJob::Ptr m_newsNetJob;
|
|
|
|
//! True if news has been loaded.
|
|
bool m_loadedNews;
|
|
|
|
std::shared_ptr<QByteArray> newsData = std::make_shared<QByteArray>();
|
|
|
|
/*!
|
|
* Gets the error message that was given last time the news was loaded.
|
|
* If the last news load succeeded, this will be an empty string.
|
|
*/
|
|
QString m_lastLoadError;
|
|
|
|
shared_qobject_ptr<QNetworkAccessManager> m_network;
|
|
|
|
protected slots:
|
|
/// Emits newsLoaded() and sets m_lastLoadError to empty string.
|
|
void succeed();
|
|
|
|
/// Emits newsLoadingFailed() and sets m_lastLoadError to the given message.
|
|
void fail(const QString& errorMsg);
|
|
};
|