295 lines
12 KiB
C++
295 lines
12 KiB
C++
#include "gui/feedmessageviewer.h"
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#include "core/settings.h"
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#include "core/messagesproxymodel.h"
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#include "core/feeddownloader.h"
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#include "core/feedsmodelstandardfeed.h"
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#include "core/systemfactory.h"
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#include "gui/webbrowser.h"
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#include "gui/formmain.h"
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#include "gui/iconthemefactory.h"
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#include "gui/messagesview.h"
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#include "gui/feedsview.h"
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#include "gui/statusbar.h"
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#include "gui/systemtrayicon.h"
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#include <QVBoxLayout>
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#include <QSplitter>
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#include <QToolBar>
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#include <QDebug>
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#include <QApplication>
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#include <QLineEdit>
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#include <QAction>
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#include <QToolButton>
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#include <QMenu>
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#include <QWidgetAction>
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#include <QThread>
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#include <QReadWriteLock>
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#include <QProgressBar>
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#include <QStatusBar>
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FeedMessageViewer::FeedMessageViewer(QWidget *parent)
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: TabContent(parent),
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m_toolBar(new QToolBar(tr("Toolbar for messages"), this)),
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m_messagesView(new MessagesView(this)),
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m_feedsView(new FeedsView(this)),
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m_messagesBrowser(new WebBrowser(this)),
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m_feedDownloaderThread(new QThread()),
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m_feedDownloader(new FeedDownloader()) {
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initialize();
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initializeViews();
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createConnections();
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// Start the feed downloader thread.
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m_feedDownloaderThread->start();
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}
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FeedMessageViewer::~FeedMessageViewer() {
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qDebug("Destroying FeedMessageViewer instance.");
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}
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void FeedMessageViewer::saveSize() {
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Settings *settings = Settings::instance();
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// Store offsets of splitters.
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settings->setValue(APP_CFG_GUI,
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"splitter_feeds",
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m_feedSplitter->saveState());
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settings->setValue(APP_CFG_GUI,
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"splitter_messages",
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m_messageSplitter->saveState());
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// States of splitters are stored, let's store
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// widths of columns.
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settings->setValue(APP_CFG_GUI,
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KEY_MESSAGES_VIEW + QString::number(MSG_DB_AUTHOR_INDEX),
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m_messagesView->columnWidth(MSG_DB_AUTHOR_INDEX));
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settings->setValue(APP_CFG_GUI,
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KEY_MESSAGES_VIEW + QString::number(MSG_DB_DCREATED_INDEX),
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m_messagesView->columnWidth(MSG_DB_DCREATED_INDEX));
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}
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void FeedMessageViewer::loadSize() {
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Settings *settings = Settings::instance();
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int default_msg_section_size = m_messagesView->header()->defaultSectionSize();
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// Restore offsets of splitters.
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m_feedSplitter->restoreState(settings->value(APP_CFG_GUI, "splitter_feeds").toByteArray());
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m_messageSplitter->restoreState(settings->value(APP_CFG_GUI, "splitter_messages").toByteArray());
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// Splitters are restored, now, restore widths of columns.
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m_messagesView->setColumnWidth(MSG_DB_AUTHOR_INDEX,
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settings->value(APP_CFG_GUI,
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KEY_MESSAGES_VIEW + QString::number(MSG_DB_AUTHOR_INDEX),
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default_msg_section_size).toInt());
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m_messagesView->setColumnWidth(MSG_DB_DCREATED_INDEX,
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settings->value(APP_CFG_GUI,
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KEY_MESSAGES_VIEW + QString::number(MSG_DB_DCREATED_INDEX),
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default_msg_section_size).toInt());
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// TODO: Perhaps make toolbar icon size changeable,
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// this concerns toolbars of web browsers too.
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}
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void FeedMessageViewer::quitDownloader() {
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qDebug("Quitting feed downloader thread.");
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m_feedDownloaderThread->quit();
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qDebug("Feed downloader thread aborted.");
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m_feedDownloader->deleteLater();
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}
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void FeedMessageViewer::updateSelectedFeeds() {
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if (SystemFactory::getInstance()->applicationCloseLock()->tryLockForRead()) {
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emit feedsUpdateRequested(m_feedsView->selectedFeeds());
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}
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else {
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qDebug("Lock for feed updates was NOT obtained.");
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}
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}
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void FeedMessageViewer::updateAllFeeds() {
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if (SystemFactory::getInstance()->applicationCloseLock()->tryLockForRead()) {
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emit feedsUpdateRequested(m_feedsView->allFeeds());
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}
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else {
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qDebug("Lock for feed updates was NOT obtained.");
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}
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}
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void FeedMessageViewer::updateCountsOfMessages(int unread_messages,
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int total_messages) {
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Q_UNUSED(total_messages)
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// TODO: Optimize the call isSystemTrayActivated()
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// because it opens settings (use member variable)?.
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if (SystemTrayIcon::isSystemTrayActivated()) {
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SystemTrayIcon::instance()->setNumber(unread_messages);
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}
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}
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void FeedMessageViewer::onFeedUpdatesStarted() {
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FormMain::instance()->statusBar()->showProgress(0, tr("Feed update started"));
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}
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void FeedMessageViewer::onFeedUpdatesProgress(FeedsModelFeed *feed,
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int current,
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int total) {
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// Some feed got updated.
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m_feedsView->updateCountsOfParticularFeed(feed, true);
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FormMain::instance()->statusBar()->showProgress((current * 100.0) / total,
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tr("Updated feed '%1'").arg(feed->title()));
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}
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void FeedMessageViewer::onFeedUpdatesFinished() {
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// Updates of some feeds finished, unlock the lock.
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SystemFactory::getInstance()->applicationCloseLock()->unlock();
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FormMain::instance()->statusBar()->clearProgress();
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}
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void FeedMessageViewer::createConnections() {
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// Message changers.
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connect(m_messagesView, SIGNAL(currentMessagesRemoved()),
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m_messagesBrowser, SLOT(clear()));
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connect(m_messagesView, SIGNAL(currentMessagesChanged(QList<Message>)),
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m_messagesBrowser, SLOT(navigateToMessages(QList<Message>)));
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// Feed changers.
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connect(m_feedsView, SIGNAL(feedsSelected(QList<int>)),
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m_messagesView, SLOT(loadFeeds(QList<int>)));
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connect(m_messagesView, SIGNAL(feedCountsChanged()),
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m_feedsView, SLOT(updateCountsOfSelectedFeeds()));
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connect(m_feedsView, SIGNAL(feedsNeedToBeReloaded(int)),
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m_messagesView, SLOT(reloadSelections(int)));
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connect(m_feedsView, SIGNAL(feedCountsChanged(int,int)),
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this, SLOT(updateCountsOfMessages(int,int)));
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// Message openers.
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connect(m_messagesView, SIGNAL(openMessagesInNewspaperView(QList<Message>)),
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FormMain::instance()->m_ui->m_tabWidget,
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SLOT(addBrowserWithMessages(QList<Message>)));
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connect(m_messagesView, SIGNAL(openLinkNewTab(QString)),
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FormMain::instance()->m_ui->m_tabWidget,
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SLOT(addLinkedBrowser(QString)));
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connect(m_feedsView, SIGNAL(openMessagesInNewspaperView(QList<Message>)),
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FormMain::instance()->m_ui->m_tabWidget,
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SLOT(addBrowserWithMessages(QList<Message>)));
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// Downloader connections.
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connect(m_feedDownloaderThread, SIGNAL(finished()),
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m_feedDownloaderThread, SLOT(deleteLater()));
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connect(this, SIGNAL(feedsUpdateRequested(QList<FeedsModelFeed*>)),
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m_feedDownloader, SLOT(updateFeeds(QList<FeedsModelFeed*>)));
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connect(m_feedDownloader, SIGNAL(finished()),
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this, SLOT(onFeedUpdatesFinished()));
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connect(m_feedDownloader, SIGNAL(started()),
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this, SLOT(onFeedUpdatesStarted()));
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connect(m_feedDownloader, SIGNAL(progress(FeedsModelFeed*,int,int)),
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this, SLOT(onFeedUpdatesProgress(FeedsModelFeed*,int,int)));
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// Toolbar forwardings.
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connect(FormMain::instance()->m_ui->m_actionSwitchImportanceOfSelectedMessages,
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SIGNAL(triggered()), m_messagesView, SLOT(switchSelectedMessagesImportance()));
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connect(FormMain::instance()->m_ui->m_actionDeleteSelectedMessages,
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SIGNAL(triggered()), m_messagesView, SLOT(deleteSelectedMessages()));
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connect(FormMain::instance()->m_ui->m_actionMarkSelectedMessagesAsRead,
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SIGNAL(triggered()), m_messagesView, SLOT(markSelectedMessagesRead()));
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connect(FormMain::instance()->m_ui->m_actionMarkSelectedMessagesAsUnread,
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SIGNAL(triggered()), m_messagesView, SLOT(markSelectedMessagesUnread()));
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connect(FormMain::instance()->m_ui->m_actionOpenSelectedSourceArticlesExternally,
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SIGNAL(triggered()), m_messagesView, SLOT(openSelectedSourceArticlesExternally()));
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connect(FormMain::instance()->m_ui->m_actionOpenSelectedSourceArticlesInternally,
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SIGNAL(triggered()), m_messagesView, SLOT(openSelectedSourceMessagesInternally()));
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connect(FormMain::instance()->m_ui->m_actionOpenSelectedMessagesInternally,
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SIGNAL(triggered()), m_messagesView, SLOT(openSelectedMessagesInternally()));
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connect(FormMain::instance()->m_ui->m_actionMarkAllFeedsRead,
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SIGNAL(triggered()), m_feedsView, SLOT(markAllFeedsRead()));
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connect(FormMain::instance()->m_ui->m_actionMarkFeedsAsRead,
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SIGNAL(triggered()), m_feedsView, SLOT(markSelectedFeedsRead()));
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connect(FormMain::instance()->m_ui->m_actionMarkFeedsAsUnread,
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SIGNAL(triggered()), m_feedsView, SLOT(markSelectedFeedsUnread()));
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connect(FormMain::instance()->m_ui->m_actionClearFeeds,
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SIGNAL(triggered()), m_feedsView, SLOT(clearSelectedFeeds()));
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connect(FormMain::instance()->m_ui->m_actionUpdateSelectedFeedsCategories,
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SIGNAL(triggered()), this, SLOT(updateSelectedFeeds()));
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connect(FormMain::instance()->m_ui->m_actionUpdateAllFeeds,
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SIGNAL(triggered()), this, SLOT(updateAllFeeds()));
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connect(FormMain::instance()->m_ui->m_actionAddStandardCategory,
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SIGNAL(triggered()), m_feedsView, SLOT(addNewStandardCategory()));
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connect(FormMain::instance()->m_ui->m_actionEditSelectedFeedCategory,
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SIGNAL(triggered()), m_feedsView, SLOT(editSelectedItem()));
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connect(FormMain::instance()->m_ui->m_actionViewSelectedItemsNewspaperMode,
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SIGNAL(triggered()), m_feedsView, SLOT(openSelectedFeedsInNewspaperMode()));
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connect(FormMain::instance()->m_ui->m_actionDeleteSelectedFeedCategory,
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SIGNAL(triggered()), m_feedsView, SLOT(deleteSelectedItem()));
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}
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void FeedMessageViewer::initialize() {
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// Initialize/populate toolbar.
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m_toolBar->setFloatable(false);
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m_toolBar->setMovable(false);
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m_toolBar->setAllowedAreas(Qt::TopToolBarArea);
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m_toolBar->setToolButtonStyle(Qt::ToolButtonIconOnly);
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// Add everything to toolbar.
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionUpdateAllFeeds);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionMarkAllFeedsRead);
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m_toolBar->addSeparator();
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionUpdateSelectedFeedsCategories);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionAddNewFeed);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionEditSelectedFeedCategory);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionDeleteSelectedFeedCategory);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionMarkFeedsAsRead);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionMarkFeedsAsUnread);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionClearFeeds);
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m_toolBar->addSeparator();
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionMarkSelectedMessagesAsRead);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionMarkSelectedMessagesAsUnread);
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m_toolBar->addAction(FormMain::instance()->m_ui->m_actionDeleteSelectedMessages);
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// Finish web/message browser setup.
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m_messagesBrowser->setNavigationBarVisible(false);
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// Downloader setup.
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qRegisterMetaType<QList<FeedsModelFeed*> >("QList<FeedsModelFeed*>");
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m_feedDownloader->moveToThread(m_feedDownloaderThread);
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}
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void FeedMessageViewer::initializeViews() {
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// Instantiate needed components.
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QVBoxLayout *central_layout = new QVBoxLayout(this);
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m_feedSplitter = new QSplitter(Qt::Horizontal, this);
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m_messageSplitter = new QSplitter(Qt::Vertical, this);
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// Set layout properties.
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central_layout->setMargin(0);
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central_layout->setSpacing(0);
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// Set views.
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m_feedsView->setFrameStyle(QFrame::NoFrame);
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m_messagesView->setFrameStyle(QFrame::NoFrame);
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// Setup splitters.
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m_messageSplitter->setHandleWidth(1);
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m_messageSplitter->setOpaqueResize(false);
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m_messageSplitter->setChildrenCollapsible(false);
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m_messageSplitter->addWidget(m_messagesView);
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m_messageSplitter->addWidget(m_messagesBrowser);
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m_feedSplitter->setHandleWidth(1);
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m_feedSplitter->setOpaqueResize(false);
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m_feedSplitter->setChildrenCollapsible(false);
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m_feedSplitter->addWidget(m_feedsView);
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m_feedSplitter->addWidget(m_messageSplitter);
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// Add toolbar and main feeds/messages widget to main layout.
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central_layout->addWidget(m_toolBar);
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central_layout->addWidget(m_feedSplitter);
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// Set layout as active.
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setLayout(central_layout);
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}
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