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letro-ios/ElementX/Sources/Screens/RoomScreen/View/Timeline/ImageRoomTimelineView.swift

105 lines
5.3 KiB
Swift

//
// Copyright 2022 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import SwiftUI
struct ImageRoomTimelineView: View {
@EnvironmentObject private var context: RoomScreenViewModel.Context
let timelineItem: ImageRoomTimelineItem
var body: some View {
TimelineStyler(timelineItem: timelineItem) {
LoadableImage(mediaSource: source,
blurhash: timelineItem.content.blurhash,
imageProvider: context.imageProvider) {
placeholder
}
.timelineMediaFrame(height: timelineItem.content.height,
aspectRatio: timelineItem.content.aspectRatio)
.accessibilityElement(children: .ignore)
.accessibilityLabel(L10n.commonImage)
}
}
var source: MediaSourceProxy {
guard timelineItem.content.contentType != .gif, let thumbnailSource = timelineItem.content.thumbnailSource else {
return timelineItem.content.source
}
return thumbnailSource
}
var placeholder: some View {
ZStack {
Rectangle()
.foregroundColor(timelineItem.isOutgoing ? .compound._bgBubbleOutgoing : .compound._bgBubbleIncoming)
.opacity(0.3)
ProgressView(L10n.commonLoading)
.frame(maxWidth: .infinity)
}
}
}
struct ImageRoomTimelineView_Previews: PreviewProvider, TestablePreview {
static let viewModel = RoomScreenViewModel.mock
static var previews: some View {
body
.environmentObject(viewModel.context)
body
.environment(\.timelineStyle, .plain)
.environmentObject(viewModel.context)
}
static var body: some View {
VStack(spacing: 20.0) {
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: .random,
timestamp: "Now",
isOutgoing: false,
isEditable: false,
canBeRepliedTo: true,
isThreaded: false,
sender: .init(id: "Bob"),
content: .init(body: "Some image", source: MediaSourceProxy(url: .picturesDirectory, mimeType: "image/png"), thumbnailSource: nil)))
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: .random,
timestamp: "Now",
isOutgoing: false,
isEditable: false,
canBeRepliedTo: true,
isThreaded: false,
sender: .init(id: "Bob"),
content: .init(body: "Some other image", source: MediaSourceProxy(url: .picturesDirectory, mimeType: "image/png"), thumbnailSource: nil)))
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: .random,
timestamp: "Now",
isOutgoing: false,
isEditable: false,
canBeRepliedTo: true,
isThreaded: false,
sender: .init(id: "Bob"),
content: .init(body: "Blurhashed image",
source: MediaSourceProxy(url: .picturesDirectory, mimeType: "image/gif"),
thumbnailSource: nil,
aspectRatio: 0.7,
blurhash: "L%KUc%kqS$RP?Ks,WEf8OlrqaekW",
contentType: .gif)))
}
}
}