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Diffstat (limited to 'logic/news/NewsChecker.h')
-rw-r--r-- | logic/news/NewsChecker.h | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/logic/news/NewsChecker.h b/logic/news/NewsChecker.h new file mode 100644 index 00000000..820fe626 --- /dev/null +++ b/logic/news/NewsChecker.h @@ -0,0 +1,105 @@ +/* Copyright 2013 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 <logic/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(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(); + +protected: + //! 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. + NetJobPtr m_newsNetJob; + + //! True if news has been loaded. + bool m_loadedNews; + + /*! + * 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; + + + /*! + * Emits newsLoaded() and sets m_lastLoadError to empty string. + */ + void Q_SLOT succeed(); + + /*! + * Emits newsLoadingFailed() and sets m_lastLoadError to the given message. + */ + void Q_SLOT fail(const QString& errorMsg); +}; + |