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RSS: Cache number of unread articles in a feed instead of computing it every time.

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Optimization to address issue #34.
This commit is contained in:
Christophe Dumez 2012-08-18 22:25:21 +03:00
parent 58bc10fc47
commit aecdc57cd4
8 changed files with 72 additions and 23 deletions
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22
src/rss/rss_imp.cpp
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@ -605,18 +605,25 @@ void RSSImp::updateFeedIcon(const QString &url, const QString &icon_path) {
item->setData(0,Qt::DecorationRole, QVariant(QIcon(icon_path)));
}
void RSSImp::updateFeedInfos(const QString &url, const QString &display_name, uint nbUnread) {
void RSSImp::updateFeedInfos(const QString& url, const QString& display_name, uint nbUnread)
{
qDebug() << Q_FUNC_INFO << display_name;
QTreeWidgetItem *item = m_feedList->getTreeItemFromUrl(url);
RssFeedPtr stream = qSharedPointerCast<RssFeed>(m_feedList->getRSSItem(item));
item->setText(0, display_name + QString::fromUtf8(" (") + QString::number(nbUnread, 10)+ QString(")"));
item->setText(0, display_name + QString::fromUtf8(" (") + QString::number(nbUnread)+ QString(")"));
if (!stream->isLoading())
item->setData(0,Qt::DecorationRole, QVariant(QIcon(stream->icon())));
item->setData(0, Qt::DecorationRole, QVariant(QIcon(stream->icon())));
// Update parent
if (item->parent())
updateItemInfos(item->parent());
// Update Unread item
updateItemInfos(m_feedList->stickyUnreadItem());
}
void RSSImp::onFeedContentChanged(const QString& url)
{
qDebug() << Q_FUNC_INFO << url;
QTreeWidgetItem *item = m_feedList->getTreeItemFromUrl(url);
// If the feed is selected, update the displayed news
if (m_feedList->currentItem() == item ) {
refreshArticleList(item);
@ -662,11 +669,12 @@ RSSImp::RSSImp(QWidget *parent) : QWidget(parent), m_rssManager(new RssManager)
refreshArticleList(m_feedList->currentItem());
loadFoldersOpenState();
connect(m_rssManager.data(), SIGNAL(feedInfosChanged(QString, QString, unsigned int)), this, SLOT(updateFeedInfos(QString, QString, unsigned int)));
connect(m_rssManager.data(), SIGNAL(feedIconChanged(QString, QString)), this, SLOT(updateFeedIcon(QString, QString)));
connect(m_rssManager.data(), SIGNAL(feedInfosChanged(QString, QString, unsigned int)), SLOT(updateFeedInfos(QString, QString, unsigned int)));
connect(m_rssManager.data(), SIGNAL(feedContentChanged(QString)), SLOT(onFeedContentChanged(QString)));
connect(m_rssManager.data(), SIGNAL(feedIconChanged(QString, QString)), SLOT(updateFeedIcon(QString, QString)));
connect(m_feedList, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayRSSListMenu(const QPoint&)));
connect(listArticles, SIGNAL(customContextMenuRequested(const QPoint&)), this, SLOT(displayItemsListMenu(const QPoint&)));
connect(m_feedList, SIGNAL(customContextMenuRequested(const QPoint&)), SLOT(displayRSSListMenu(const QPoint&)));
connect(listArticles, SIGNAL(customContextMenuRequested(const QPoint&)), SLOT(displayItemsListMenu(const QPoint&)));
// Feeds list actions
connect(actionDelete, SIGNAL(triggered()), this, SLOT(deleteSelectedItems()));