diff --git a/CMakeLists.txt b/CMakeLists.txt index 738a1a5a..593d608e 100644 --- a/CMakeLists.txt +++ b/CMakeLists.txt @@ -45,6 +45,9 @@ set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -DQT_NO_DEPRECATED_WARNINGS=Y") ##################################### Set Application options ##################################### +######## Set URLs ######## +set(Launcher_NEWS_RSS_URL "https://multimc.org/rss.xml" CACHE STRING "URL to fetch Launcher's news RSS feed from.") + ######## Set version numbers ######## set(Launcher_VERSION_MAJOR 1) set(Launcher_VERSION_MINOR 0) diff --git a/launcher/CMakeLists.txt b/launcher/CMakeLists.txt index f4c3a9bc..4fb24b54 100644 --- a/launcher/CMakeLists.txt +++ b/launcher/CMakeLists.txt @@ -181,6 +181,15 @@ set(NOTIFICATIONS_SOURCES notifications/NotificationChecker.cpp ) +# Backend for the news bar... there's usually no news. +set(NEWS_SOURCES + # News System + news/NewsChecker.h + news/NewsChecker.cpp + news/NewsEntry.h + news/NewsEntry.cpp +) + # Icon interface set(ICONS_SOURCES # Icons System and related code diff --git a/launcher/news/NewsChecker.cpp b/launcher/news/NewsChecker.cpp new file mode 100644 index 00000000..4f4359b8 --- /dev/null +++ b/launcher/news/NewsChecker.cpp @@ -0,0 +1,132 @@ +/* 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. + */ + +#include "NewsChecker.h" + +#include +#include + +#include + +NewsChecker::NewsChecker(shared_qobject_ptr network, const QString& feedUrl) +{ + m_network = network; + m_feedUrl = feedUrl; +} + +void NewsChecker::reloadNews() +{ + // Start a netjob to download the RSS feed and call rssDownloadFinished() when it's done. + if (isLoadingNews()) + { + qDebug() << "Ignored request to reload news. Currently reloading already."; + return; + } + + qDebug() << "Reloading news."; + + NetJob* job = new NetJob("News RSS Feed", m_network); + job->addNetAction(Net::Download::makeByteArray(m_feedUrl, &newsData)); + QObject::connect(job, &NetJob::succeeded, this, &NewsChecker::rssDownloadFinished); + QObject::connect(job, &NetJob::failed, this, &NewsChecker::rssDownloadFailed); + m_newsNetJob.reset(job); + job->start(); +} + +void NewsChecker::rssDownloadFinished() +{ + // Parse the XML file and process the RSS feed entries. + qDebug() << "Finished loading RSS feed."; + + m_newsNetJob.reset(); + QDomDocument doc; + { + // Stuff to store error info in. + QString errorMsg = "Unknown error."; + int errorLine = -1; + int errorCol = -1; + + // Parse the XML. + if (!doc.setContent(newsData, false, &errorMsg, &errorLine, &errorCol)) + { + QString fullErrorMsg = QString("Error parsing RSS feed XML. %s at %d:%d.").arg(errorMsg, errorLine, errorCol); + fail(fullErrorMsg); + newsData.clear(); + return; + } + newsData.clear(); + } + + // If the parsing succeeded, read it. + QDomNodeList items = doc.elementsByTagName("item"); + m_newsEntries.clear(); + for (int i = 0; i < items.length(); i++) + { + QDomElement element = items.at(i).toElement(); + NewsEntryPtr entry; + entry.reset(new NewsEntry()); + QString errorMsg = "An unknown error occurred."; + if (NewsEntry::fromXmlElement(element, entry.get(), &errorMsg)) + { + qDebug() << "Loaded news entry" << entry->title; + m_newsEntries.append(entry); + } + else + { + qWarning() << "Failed to load news entry at index" << i << ":" << errorMsg; + } + } + + succeed(); +} + +void NewsChecker::rssDownloadFailed(QString reason) +{ + // Set an error message and fail. + fail(tr("Failed to load news RSS feed:\n%1").arg(reason)); +} + + +QList NewsChecker::getNewsEntries() const +{ + return m_newsEntries; +} + +bool NewsChecker::isLoadingNews() const +{ + return m_newsNetJob.get() != nullptr; +} + +QString NewsChecker::getLastLoadErrorMsg() const +{ + return m_lastLoadError; +} + +void NewsChecker::succeed() +{ + m_lastLoadError = ""; + qDebug() << "News loading succeeded."; + m_newsNetJob.reset(); + emit newsLoaded(); +} + +void NewsChecker::fail(const QString& errorMsg) +{ + m_lastLoadError = errorMsg; + qDebug() << "Failed to load news:" << errorMsg; + m_newsNetJob.reset(); + emit newsLoadingFailed(errorMsg); +} + diff --git a/launcher/news/NewsChecker.h b/launcher/news/NewsChecker.h new file mode 100644 index 00000000..8467a541 --- /dev/null +++ b/launcher/news/NewsChecker.h @@ -0,0 +1,105 @@ +/* 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 +#include +#include + +#include + +#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 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 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 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 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); +}; + diff --git a/launcher/news/NewsEntry.cpp b/launcher/news/NewsEntry.cpp new file mode 100644 index 00000000..7eff657b --- /dev/null +++ b/launcher/news/NewsEntry.cpp @@ -0,0 +1,77 @@ +/* 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. + */ + +#include "NewsEntry.h" + +#include +#include + +NewsEntry::NewsEntry(QObject* parent) : + QObject(parent) +{ + this->title = tr("Untitled"); + this->content = tr("No content."); + this->link = ""; + this->author = tr("Unknown Author"); + this->pubDate = QDateTime::currentDateTime(); +} + +NewsEntry::NewsEntry(const QString& title, const QString& content, const QString& link, const QString& author, const QDateTime& pubDate, QObject* parent) : + QObject(parent) +{ + this->title = title; + this->content = content; + this->link = link; + this->author = author; + this->pubDate = pubDate; +} + +/*! + * Gets the text content of the given child element as a QVariant. + */ +inline QString childValue(const QDomElement& element, const QString& childName, QString defaultVal="") +{ + QDomNodeList nodes = element.elementsByTagName(childName); + if (nodes.count() > 0) + { + QDomElement element = nodes.at(0).toElement(); + return element.text(); + } + else + { + return defaultVal; + } +} + +bool NewsEntry::fromXmlElement(const QDomElement& element, NewsEntry* entry, QString* errorMsg) +{ + QString title = childValue(element, "title", tr("Untitled")); + QString content = childValue(element, "description", tr("No content.")); + QString link = childValue(element, "link"); + QString author = childValue(element, "dc:creator", tr("Unknown Author")); + QString pubDateStr = childValue(element, "pubDate"); + + // FIXME: For now, we're just ignoring timezones. We assume that all time zones in the RSS feed are the same. + QString dateFormat("ddd, dd MMM yyyy hh:mm:ss"); + QDateTime pubDate = QDateTime::fromString(pubDateStr, dateFormat); + + entry->title = title; + entry->content = content; + entry->link = link; + entry->author = author; + entry->pubDate = pubDate; + return true; +} + diff --git a/launcher/news/NewsEntry.h b/launcher/news/NewsEntry.h new file mode 100644 index 00000000..0dbc70a5 --- /dev/null +++ b/launcher/news/NewsEntry.h @@ -0,0 +1,65 @@ +/* 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 +#include +#include +#include + +#include + +class NewsEntry : public QObject +{ + Q_OBJECT + +public: + /*! + * Constructs an empty news entry. + */ + explicit NewsEntry(QObject* parent=0); + + /*! + * Constructs a new news entry. + * Note that content may contain HTML. + */ + NewsEntry(const QString& title, const QString& content, const QString& link, const QString& author, const QDateTime& pubDate, QObject* parent=0); + + /*! + * Attempts to load information from the given XML element into the given news entry pointer. + * If this fails, the function will return false and store an error message in the errorMsg pointer. + */ + static bool fromXmlElement(const QDomElement& element, NewsEntry* entry, QString* errorMsg=0); + + + //! The post title. + QString title; + + //! The post's content. May contain HTML. + QString content; + + //! URL to the post. + QString link; + + //! The post's author. + QString author; + + //! The date and time that this post was published. + QDateTime pubDate; +}; + +typedef std::shared_ptr NewsEntryPtr; + diff --git a/launcher/ui/MainWindow.cpp b/launcher/ui/MainWindow.cpp index 202924ff..3dcc8ee9 100644 --- a/launcher/ui/MainWindow.cpp +++ b/launcher/ui/MainWindow.cpp @@ -58,6 +58,7 @@ #include #include #include +#include #include #include #include @@ -200,6 +201,7 @@ public: //TranslatedAction actionRefresh; TranslatedAction actionCheckUpdate; TranslatedAction actionSettings; + TranslatedAction actionMoreNews; TranslatedAction actionManageAccounts; TranslatedAction actionLaunchInstance; TranslatedAction actionRenameInstance; @@ -244,6 +246,7 @@ public: TranslatedToolbar mainToolBar; TranslatedToolbar instanceToolBar; + TranslatedToolbar newsToolBar; QVector all_toolbars; bool m_kill = false; @@ -426,6 +429,29 @@ public: MainWindow->setStatusBar(statusBar); } + void createNewsToolbar(QMainWindow *MainWindow) + { + newsToolBar = TranslatedToolbar(MainWindow); + newsToolBar->setObjectName(QStringLiteral("newsToolBar")); + newsToolBar->setMovable(false); + newsToolBar->setAllowedAreas(Qt::BottomToolBarArea); + newsToolBar->setIconSize(QSize(16, 16)); + newsToolBar->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); + newsToolBar->setFloatable(false); + newsToolBar->setWindowTitle(QT_TRANSLATE_NOOP("MainWindow", "News Toolbar")); + + actionMoreNews = TranslatedAction(MainWindow); + actionMoreNews->setObjectName(QStringLiteral("actionMoreNews")); + actionMoreNews->setIcon(APPLICATION->getThemedIcon("news")); + actionMoreNews.setTextId(QT_TRANSLATE_NOOP("MainWindow", "More news...")); + actionMoreNews.setTooltipId(QT_TRANSLATE_NOOP("MainWindow", "Open the development blog to read more news about %1.")); + all_actions.append(&actionMoreNews); + newsToolBar->addAction(actionMoreNews); + + all_toolbars.append(&newsToolBar); + MainWindow->addToolBar(Qt::BottomToolBarArea, newsToolBar); + } + void createInstanceToolbar(QMainWindow *MainWindow) { instanceToolBar = TranslatedToolbar(MainWindow); @@ -610,6 +636,7 @@ public: MainWindow->setCentralWidget(centralWidget); createStatusBar(MainWindow); + createNewsToolbar(MainWindow); createInstanceToolbar(MainWindow); retranslateUi(MainWindow); @@ -664,6 +691,20 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow connect(secretEventFilter, &KonamiCode::triggered, this, &MainWindow::konamiTriggered); } + // Add the news label to the news toolbar. + { + m_newsChecker.reset(new NewsChecker(APPLICATION->network(), BuildConfig.NEWS_RSS_URL)); + newsLabel = new QToolButton(); + newsLabel->setIcon(APPLICATION->getThemedIcon("news")); + newsLabel->setSizePolicy(QSizePolicy::Expanding, QSizePolicy::Preferred); + newsLabel->setToolButtonStyle(Qt::ToolButtonTextBesideIcon); + newsLabel->setFocusPolicy(Qt::NoFocus); + ui->newsToolBar->insertWidget(ui->actionMoreNews, newsLabel); + QObject::connect(newsLabel, &QAbstractButton::clicked, this, &MainWindow::newsButtonClicked); + QObject::connect(m_newsChecker.get(), &NewsChecker::newsLoaded, this, &MainWindow::updateNewsLabel); + updateNewsLabel(); + } + // Create the instance list widget { view = new InstanceView(ui->centralWidget); @@ -768,6 +809,13 @@ MainWindow::MainWindow(QWidget *parent) : QMainWindow(parent), ui(new MainWindow // TODO: refresh accounts here? // auto accounts = APPLICATION->accounts(); + // load the news + { + m_newsChecker->reloadNews(); + updateNewsLabel(); + } + + if(BuildConfig.UPDATER_ENABLED) { bool updatesAllowed = APPLICATION->updatesAreAllowed(); @@ -1141,6 +1189,29 @@ bool MainWindow::eventFilter(QObject *obj, QEvent *ev) return QMainWindow::eventFilter(obj, ev); } +void MainWindow::updateNewsLabel() +{ + if (m_newsChecker->isLoadingNews()) + { + newsLabel->setText(tr("Loading news...")); + newsLabel->setEnabled(false); + } + else + { + QList entries = m_newsChecker->getNewsEntries(); + if (entries.length() > 0) + { + newsLabel->setText(entries[0]->title); + newsLabel->setEnabled(true); + } + else + { + newsLabel->setText(tr("No news available.")); + newsLabel->setEnabled(false); + } + } +} + void MainWindow::updateAvailable(GoUpdate::Status status) { if(!APPLICATION->updatesAreAllowed()) @@ -1614,6 +1685,24 @@ void MainWindow::on_actionReportBug_triggered() DesktopServices::openUrl(QUrl(BuildConfig.BUG_TRACKER_URL)); } +void MainWindow::on_actionMoreNews_triggered() +{ + DesktopServices::openUrl(QUrl("https://multimc.org/posts.html")); +} + +void MainWindow::newsButtonClicked() +{ + QList entries = m_newsChecker->getNewsEntries(); + if (entries.count() > 0) + { + DesktopServices::openUrl(QUrl(entries[0]->link)); + } + else + { + DesktopServices::openUrl(QUrl("https://multimc.org/posts.html")); + } +} + void MainWindow::on_actionAbout_triggered() { AboutDialog dialog(this); diff --git a/launcher/ui/MainWindow.h b/launcher/ui/MainWindow.h index 38d925a9..f6940ab0 100644 --- a/launcher/ui/MainWindow.h +++ b/launcher/ui/MainWindow.h @@ -27,6 +27,7 @@ #include "updater/GoUpdate.h" class LaunchController; +class NewsChecker; class NotificationChecker; class QToolButton; class InstanceProxyModel; @@ -108,6 +109,10 @@ private slots: void on_actionReportBug_triggered(); + void on_actionMoreNews_triggered(); + + void newsButtonClicked(); + void on_actionLaunchInstance_triggered(); void on_actionLaunchInstanceOffline_triggered(); @@ -169,6 +174,8 @@ private slots: void repopulateAccountsMenu(); + void updateNewsLabel(); + /*! * Runs the DownloadTask and installs updates. */ @@ -198,12 +205,14 @@ private: // these are managed by Qt's memory management model! InstanceView *view = nullptr; InstanceProxyModel *proxymodel = nullptr; + QToolButton *newsLabel = nullptr; QLabel *m_statusLeft = nullptr; QLabel *m_statusCenter = nullptr; QMenu *accountMenu = nullptr; QToolButton *accountMenuButton = nullptr; KonamiCode * secretEventFilter = nullptr; + unique_qobject_ptr m_newsChecker; unique_qobject_ptr m_notificationChecker; InstancePtr m_selectedInstance;