Files
letro-ios/ElementX/Sources/Screens/FilePreviewScreen/TimelineMediaPreviewModels.swift
2026-01-27 12:50:57 +02:00

88 lines
2.5 KiB
Swift

//
// Copyright 2025 Element Creations Ltd.
// Copyright 2024-2025 New Vector Ltd.
//
// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial.
// Please see LICENSE files in the repository root for full details.
//
import Combine
import SwiftUI
enum TimelineMediaPreviewViewModelAction: Equatable {
case viewInRoomTimeline(TimelineItemIdentifier)
case displayMessageForwarding(MessageForwardingItem)
case dismiss
}
enum TimelineMediaPreviewDriverAction {
case itemLoaded(TimelineItemIdentifier.EventOrTransactionID)
case showItemDetails(TimelineMediaPreviewItem.Media)
case exportFile(TimelineMediaPreviewFileExportPicker.File)
case authorizationRequired(appMediator: AppMediatorProtocol)
case dismissDetailsSheet
var isItemLoaded: Bool {
switch self {
case .itemLoaded: true
default: false
}
}
var isShowItemDetails: Bool {
switch self {
case .showItemDetails: true
default: false
}
}
var isExportFile: Bool {
switch self {
case .exportFile: true
default: false
}
}
var isAuthorizationRequired: Bool {
switch self {
case .authorizationRequired: true
default: false
}
}
}
struct TimelineMediaPreviewViewState: BindableState {
/// The data source for all of the preview-able items.
var dataSource: TimelineMediaPreviewDataSource
/// The media item that is currently being previewed.
var currentItem: TimelineMediaPreviewItem {
dataSource.currentItem
}
/// All of the available actions for the current item.
var currentItemActions: TimelineItemMenuActions?
/// A publisher that the view model uses to signal actions to the QLPreviewController.
let previewControllerDriver = PassthroughSubject<TimelineMediaPreviewDriverAction, Never>()
var bindings = TimelineMediaPreviewViewStateBindings()
}
struct TimelineMediaPreviewViewStateBindings {
/// A binding that will present a confirmation to redact the specified item.
var redactConfirmationItem: TimelineMediaPreviewItem.Media?
}
enum TimelineMediaPreviewAlertType {
case authorizationRequired
}
enum TimelineMediaPreviewViewAction {
case updateCurrentItem(TimelineMediaPreviewItem)
case showItemDetails(TimelineMediaPreviewItem.Media)
case menuAction(TimelineItemMenuAction, item: TimelineMediaPreviewItem.Media)
case redactConfirmation(item: TimelineMediaPreviewItem.Media)
case timelineEndReached
}