ArticleListWidget Class Reference

#include <articlelistwidget.h>

Inheritance diagram for ArticleListWidget:

Collaboration diagram for ArticleListWidget:

Public Member Functions
	ArticleListWidget (QWidget *parent)
RSS::Article *	getRSSArticle (QListWidgetItem *item) const
QListWidgetItem *	mapRSSArticle (RSS::Article *rssArticle) const
void	setRSSItem (RSS::Item *rssItem, bool unreadOnly=false)

Private Slots
void	handleArticleAdded (RSS::Article *rssArticle)
void	handleArticleRead (RSS::Article *rssArticle)
void	handleArticleAboutToBeRemoved (RSS::Article *rssArticle)

Private Member Functions
void	checkInvariant () const
QListWidgetItem *	createItem (RSS::Article *article) const

Private Attributes
RSS::Item *	m_rssItem = nullptr
bool	m_unreadOnly = false
QHash< RSS::Article *, QListWidgetItem * >	m_rssArticleToListItemMapping

Detailed Description

Definition at line 40 of file articlelistwidget.h.

Constructor & Destructor Documentation

ArticleListWidget()

ArticleListWidget::ArticleListWidget ( QWidget *  parent )

explicit

Definition at line 38 of file articlelistwidget.cpp.

    : QListWidget(parent)
{
    setContextMenuPolicy(Qt::CustomContextMenu);
    setSelectionMode(QAbstractItemView::ExtendedSelection);
 
    checkInvariant();
}

References checkInvariant().

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Member Function Documentation

checkInvariant()

void ArticleListWidget::checkInvariant ( ) const

private

Definition at line 119 of file articlelistwidget.cpp.

{
    Q_ASSERT(count() == m_rssArticleToListItemMapping.count());
}

References m_rssArticleToListItemMapping.

Referenced by ArticleListWidget(), handleArticleAboutToBeRemoved(), handleArticleAdded(), handleArticleRead(), and setRSSItem().

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createItem()

QListWidgetItem * ArticleListWidget::createItem ( RSS::Article *  article ) const

private

Definition at line 124 of file articlelistwidget.cpp.

{
    Q_ASSERT(article);
    auto *item = new QListWidgetItem;
 
    item->setData(Qt::DisplayRole, article->title());
    item->setData(Qt::UserRole, reinterpret_cast<quintptr>(article));
    if (article->isRead())
    {
        const QColor defaultColor {palette().color(QPalette::Inactive, QPalette::WindowText)};
        const QBrush foregroundBrush {UIThemeManager::instance()->getColor("RSS.ReadArticle", defaultColor)};
        item->setData(Qt::ForegroundRole, foregroundBrush);
        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(QLatin1String("sphere")));
    }
    else
    {
        const QColor defaultColor {palette().color(QPalette::Active, QPalette::Link)};
        const QBrush foregroundBrush {UIThemeManager::instance()->getColor("RSS.UnreadArticle", defaultColor)};
        item->setData(Qt::ForegroundRole, foregroundBrush);
        item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(QLatin1String("sphere")));
    }
 
    return item;
}

References UIThemeManager::getColor(), UIThemeManager::instance(), RSS::Article::isRead(), and RSS::Article::title().

Referenced by handleArticleAdded(), and setRSSItem().

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getRSSArticle()

RSS::Article * ArticleListWidget::getRSSArticle

(

QListWidgetItem *

item

)

const

Definition at line 47 of file articlelistwidget.cpp.

{
    Q_ASSERT(item);
    return reinterpret_cast<RSS::Article *>(item->data(Qt::UserRole).value<quintptr>());
}

Referenced by RSSWidget::handleCurrentArticleItemChanged().

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handleArticleAboutToBeRemoved

void ArticleListWidget::handleArticleAboutToBeRemoved ( RSS::Article *  rssArticle )

privateslot

Definition at line 113 of file articlelistwidget.cpp.

{
    delete m_rssArticleToListItemMapping.take(rssArticle);
    checkInvariant();
}

References checkInvariant(), and m_rssArticleToListItemMapping.

Referenced by setRSSItem().

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handleArticleAdded

void ArticleListWidget::handleArticleAdded ( RSS::Article *  rssArticle )

privateslot

Definition at line 88 of file articlelistwidget.cpp.

{
    if (!(m_unreadOnly && rssArticle->isRead()))
    {
        auto item = createItem(rssArticle);
        insertItem(0, item);
        m_rssArticleToListItemMapping.insert(rssArticle, item);
    }
 
    checkInvariant();
}

References checkInvariant(), createItem(), RSS::Article::isRead(), m_rssArticleToListItemMapping, and m_unreadOnly.

Referenced by setRSSItem().

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handleArticleRead

void ArticleListWidget::handleArticleRead ( RSS::Article *  rssArticle )

privateslot

Definition at line 100 of file articlelistwidget.cpp.

{
    auto item = mapRSSArticle(rssArticle);
    if (!item) return;
 
    const QColor defaultColor {palette().color(QPalette::Inactive, QPalette::WindowText)};
    const QBrush foregroundBrush {UIThemeManager::instance()->getColor("RSS.ReadArticle", defaultColor)};
    item->setData(Qt::ForegroundRole, foregroundBrush);
    item->setData(Qt::DecorationRole, UIThemeManager::instance()->getIcon(QLatin1String("sphere")));
 
    checkInvariant();
}

References checkInvariant(), UIThemeManager::getColor(), UIThemeManager::instance(), and mapRSSArticle().

Referenced by setRSSItem().

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mapRSSArticle()

QListWidgetItem * ArticleListWidget::mapRSSArticle

(

RSS::Article *

rssArticle

)

const

Definition at line 53 of file articlelistwidget.cpp.

{
    return m_rssArticleToListItemMapping.value(rssArticle);
}

References m_rssArticleToListItemMapping.

Referenced by handleArticleRead().

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setRSSItem()

void ArticleListWidget::setRSSItem	(	RSS::Item *	rssItem,
		bool	unreadOnly = false
	)

Definition at line 58 of file articlelistwidget.cpp.

{
    // Clear the list first
    clear();
    m_rssArticleToListItemMapping.clear();
    if (m_rssItem)
        m_rssItem->disconnect(this);
 
    m_unreadOnly = unreadOnly;
    m_rssItem = rssItem;
    if (m_rssItem)
    {
        connect(m_rssItem, &RSS::Item::newArticle, this, &ArticleListWidget::handleArticleAdded);
        connect(m_rssItem, &RSS::Item::articleRead, this, &ArticleListWidget::handleArticleRead);
        connect(m_rssItem, &RSS::Item::articleAboutToBeRemoved, this, &ArticleListWidget::handleArticleAboutToBeRemoved);
 
        for (const auto article : asConst(rssItem->articles()))
        {
            if (!(m_unreadOnly && article->isRead()))
            {
                auto item = createItem(article);
                addItem(item);
                m_rssArticleToListItemMapping.insert(article, item);
            }
        }
    }
 
    checkInvariant();
}

References RSS::Item::articleAboutToBeRemoved(), RSS::Item::articleRead(), RSS::Item::articles(), asConst(), checkInvariant(), createItem(), handleArticleAboutToBeRemoved(), handleArticleAdded(), handleArticleRead(), m_rssArticleToListItemMapping, m_rssItem, m_unreadOnly, and RSS::Item::newArticle().

Referenced by RSSWidget::handleCurrentFeedItemChanged().

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Member Data Documentation

m_rssArticleToListItemMapping

QHash<RSS::Article *, QListWidgetItem *> ArticleListWidget::m_rssArticleToListItemMapping

private

Definition at line 63 of file articlelistwidget.h.

Referenced by checkInvariant(), handleArticleAboutToBeRemoved(), handleArticleAdded(), mapRSSArticle(), and setRSSItem().

m_rssItem

RSS::Item* ArticleListWidget::m_rssItem = nullptr

private

Definition at line 61 of file articlelistwidget.h.

Referenced by setRSSItem().

m_unreadOnly

bool ArticleListWidget::m_unreadOnly = false

private

Definition at line 62 of file articlelistwidget.h.

Referenced by handleArticleAdded(), and setRSSItem().

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The documentation for this class was generated from the following files:

• src/gui/rss/articlelistwidget.h
• src/gui/rss/articlelistwidget.cpp