106 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			106 lines
		
	
	
		
			2.7 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 <QObject>
 | 
						|
#include <QString>
 | 
						|
#include <QList>
 | 
						|
 | 
						|
#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;
 | 
						|
 | 
						|
    QByteArray newsData;
 | 
						|
 | 
						|
    /*!
 | 
						|
     * 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);
 | 
						|
};
 | 
						|
 |