rssguard/src/librssguard/core/messagesmodel.h
2023-09-12 09:02:00 +02:00

128 lines
3.9 KiB
C++

// For license of this file, see <project-root-folder>/LICENSE.md.
#ifndef MESSAGESMODEL_H
#define MESSAGESMODEL_H
#include "core/messagesmodelsqllayer.h"
#include <QSqlQueryModel>
#include "core/message.h"
#include "definitions/definitions.h"
#include "services/abstract/rootitem.h"
#include <QFont>
#include <QIcon>
class MessagesView;
class MessagesModelCache;
class MessagesModel : public QSqlQueryModel, public MessagesModelSqlLayer {
Q_OBJECT
public:
// Enum which describes basic highlighting schemes
// for messages.
enum class MessageHighlighter {
NoHighlighting = 1,
HighlightUnread = 2,
HighlightImportant = 4
};
enum class MessageUnreadIcon {
Dot = 1,
Envelope = 2,
FeedIcon = 3
};
Q_ENUM(MessageUnreadIcon)
// Constructors and destructors.
explicit MessagesModel(QObject* parent = nullptr);
virtual ~MessagesModel();
// Fetches ALL available data to the model.
// NOTE: This activates the SQL query and populates the model with new data.
void repopulate();
// Model implementation.
bool setData(const QModelIndex& index, const QVariant& value, int role = Qt::EditRole);
QVariant data(const QModelIndex& idx, int role = Qt::DisplayRole) const;
QVariant data(int row, int column, int role = Qt::DisplayRole) const;
QVariant headerData(int section, Qt::Orientation orientation, int role) const;
Qt::ItemFlags flags(const QModelIndex& index) const;
QList<Message> messagesAt(const QList<int>& row_indices) const;
Message messageAt(int row_index) const;
int messageId(int row_index) const;
RootItem::Importance messageImportance(int row_index) const;
RootItem* loadedItem() const;
MessagesModelCache* cache() const;
void setupFonts();
void updateDateFormat();
void updateFeedIconsDisplay();
void reloadWholeLayout();
// SINGLE message manipulators.
bool switchMessageImportance(int row_index);
bool setMessageRead(int row_index, RootItem::ReadStatus read);
// BATCH messages manipulators.
bool switchBatchMessageImportance(const QModelIndexList& messages);
bool setBatchMessagesDeleted(const QModelIndexList& messages);
bool setBatchMessagesRead(const QModelIndexList& messages, RootItem::ReadStatus read);
bool setBatchMessagesRestored(const QModelIndexList& messages);
// Highlights messages.
void highlightMessages(MessageHighlighter highlighter);
// Loads messages of given feeds.
void loadMessages(RootItem* item);
MessagesView* view() const;
void setView(MessagesView* new_view);
static QIcon generateIconForScore(double score);
static QIcon generateUnreadIcon();
static QString descriptionOfUnreadIcon(MessagesModel::MessageUnreadIcon type);
public slots:
// NOTE: These methods DO NOT actually change data in the DB, just in the model.
// These are particularly used by msg browser.
bool setMessageImportantById(int id, RootItem::Importance important);
bool setMessageReadById(int id, RootItem::ReadStatus read);
bool setMessageLabelsById(int id, const QStringList& label_ids);
private:
void setupHeaderData();
void setupIcons();
private:
MessagesView* m_view;
MessagesModelCache* m_cache;
MessageHighlighter m_messageHighlighter;
QString m_customDateFormat;
QString m_customTimeFormat;
int m_newerArticlesRelativeTime;
RootItem* m_selectedItem;
QList<QString> m_headerData;
QList<QString> m_tooltipData;
QFont m_normalFont;
QFont m_boldFont;
QFont m_normalStrikedFont;
QFont m_boldStrikedFont;
QIcon m_favoriteIcon;
QIcon m_readIcon;
QIcon m_unreadIcon;
QIcon m_enclosuresIcon;
QList<QIcon> m_scoreIcons;
MessageUnreadIcon m_unreadIconType;
bool m_multilineListItems;
};
Q_DECLARE_METATYPE(MessagesModel::MessageHighlighter)
Q_DECLARE_METATYPE(MessagesModel::MessageUnreadIcon)
#endif // MESSAGESMODEL_H