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neochat/src/models/mediamessagefiltermodel.h
2023-07-15 16:01:19 +00:00

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1.7 KiB
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// SPDX-FileCopyrightText: 2023 James Graham <james.h.graham@protonmail.com>
// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-LGPL
#pragma once
#include <QSortFilterProxyModel>
#include "models/collapsestateproxymodel.h"
/**
* @class MediaMessageFilterModel
*
* This model filters a MessageEventModel for image and video messages.
*
* @sa MessageEventModel
*/
class MediaMessageFilterModel : public QSortFilterProxyModel
{
Q_OBJECT
public:
/**
* @brief Defines the model roles.
*/
enum Roles {
SourceRole = CollapseStateProxyModel::LastRole + 1, /**< The mxc source URL for the item. */
TempSourceRole, /**< Source for the temporary content (either blurhash or mxc URL). */
TypeRole, /**< The type of the media (image or video). */
CaptionRole, /**< The caption for the item. */
SourceWidthRole, /**< The width of the source item. */
SourceHeightRole, /**< The height of the source item. */
};
Q_ENUM(Roles)
explicit MediaMessageFilterModel(QObject *parent = nullptr);
/**
* @brief Custom filter to show only image and video messages.
*/
bool filterAcceptsRow(int sourceRow, const QModelIndex &sourceParent) const override;
/**
* @brief Get the given role value at the given index.
*
* @sa QSortFilterProxyModel::data
*/
[[nodiscard]] QVariant data(const QModelIndex &idx, int role = Qt::DisplayRole) const override;
/**
* @brief Returns a mapping from Role enum values to role names.
*
* @sa Roles, QAbstractProxyModel::roleNames()
*/
[[nodiscard]] QHash<int, QByteArray> roleNames() const override;
Q_INVOKABLE int getRowForSourceItem(int sourceRow) const;
};