Files
neochat/src/models/messagecontentmodel.h
2024-07-27 08:41:02 +00:00

150 lines
4.9 KiB
C++

// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
#pragma once
#include <QAbstractListModel>
#include <QQmlEngine>
#include <Quotient/events/roomevent.h>
#include <Quotient/room.h>
#include "enums/messagecomponenttype.h"
#include "eventhandler.h"
#include "itinerarymodel.h"
#include "neochatroommember.h"
struct MessageComponent {
MessageComponentType::Type type = MessageComponentType::Other;
QString content;
QVariantMap attributes;
int operator==(const MessageComponent &right) const
{
return type == right.type && content == right.content && attributes == right.attributes;
}
bool isEmpty() const
{
return type == MessageComponentType::Other;
}
};
/**
* @class MessageContentModel
*
* A model to visualise the components of a single RoomMessageEvent.
*/
class MessageContentModel : public QAbstractListModel
{
Q_OBJECT
QML_ELEMENT
QML_UNCREATABLE("")
/**
* @brief Whether the author component is being shown.
*/
Q_PROPERTY(bool showAuthor READ showAuthor WRITE setShowAuthor NOTIFY showAuthorChanged)
public:
/**
* @brief Defines the model roles.
*/
enum Roles {
DisplayRole = Qt::DisplayRole, /**< The display text for the message. */
ComponentTypeRole, /**< The type of component to visualise the message. */
ComponentAttributesRole, /**< The attributes of the component. */
EventIdRole, /**< The matrix event ID of the event. */
TimeRole, /**< The timestamp for when the event was sent (as a QDateTime). */
TimeStringRole, /**< The timestamp for when the event was sent as a string (in QLocale::ShortFormat). */
AuthorRole, /**< The author of the event. */
MediaInfoRole, /**< The media info for the event. */
FileTransferInfoRole, /**< FileTransferInfo for any downloading files. */
ItineraryModelRole, /**< The itinerary model for a file. */
LatitudeRole, /**< Latitude for a location event. */
LongitudeRole, /**< Longitude for a location event. */
AssetRole, /**< Type of location event, e.g. self pin of the user location. */
PollHandlerRole, /**< The PollHandler for the event, if any. */
IsReplyRole, /**< Is the message a reply to another event. */
ReplyEventIdRole, /**< The matrix ID of the message that was replied to. */
ReplyAuthorRole, /**< The author of the event that was replied to. */
ReplyContentModelRole, /**< The MessageContentModel for the reply event. */
LinkPreviewerRole, /**< The link preview details. */
};
Q_ENUM(Roles)
explicit MessageContentModel(NeoChatRoom *room, const Quotient::RoomEvent *event, bool isReply = false, bool isPending = false);
MessageContentModel(NeoChatRoom *room, const QString &eventId, bool isReply = false, bool isPending = false);
bool showAuthor() const;
void setShowAuthor(bool showAuthor);
/**
* @brief Get the given role value at the given index.
*
* @sa QAbstractItemModel::data
*/
[[nodiscard]] QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const override;
/**
* @brief Number of rows in the model.
*
* @sa QAbstractItemModel::rowCount
*/
[[nodiscard]] int rowCount(const QModelIndex &parent = QModelIndex()) const override;
/**
* @brief Returns a mapping from Role enum values to role names.
*
* @sa Roles, QAbstractItemModel::roleNames()
*/
[[nodiscard]] QHash<int, QByteArray> roleNames() const override;
/**
* @brief Close the link preview at the given index.
*
* If the given index is not a link preview component, nothing happens.
*/
Q_INVOKABLE void closeLinkPreview(int row);
Q_SIGNALS:
void showAuthorChanged();
void eventUpdated();
private:
QPointer<NeoChatRoom> m_room;
QString m_eventId;
QString m_eventSenderId;
std::unique_ptr<NeochatRoomMember> m_eventSenderObject;
Quotient::RoomEventPtr m_event;
bool m_isPending;
bool m_showAuthor = true;
bool m_isReply;
void initializeModel();
void intiializeEvent(const QString &eventId);
void intiializeEvent(const Quotient::RoomEvent *event);
QList<MessageComponent> m_components;
void resetModel();
void resetContent(bool isEditing = false);
QList<MessageComponent> messageContentComponents(bool isEditing = false);
QPointer<MessageContentModel> m_replyModel;
void updateReplyModel();
ItineraryModel *m_itineraryModel = nullptr;
QList<MessageComponent> componentsForType(MessageComponentType::Type type);
MessageComponent linkPreviewComponent(const QUrl &link);
QList<MessageComponent> addLinkPreviews(QList<MessageComponent> inputComponents);
QList<QUrl> m_removedLinkPreviews;
void updateItineraryModel();
bool m_emptyItinerary = false;
};