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