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

100 lines
4.8 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 {
let timelineItem: ImageRoomTimelineItem
var body: some View {
if timelineItem.image != nil || timelineItem.blurhash != nil { // Fixes view heights after loading finishes
TimelineStyler(timelineItem: timelineItem) {
if let image = timelineItem.image {
if let aspectRatio = timelineItem.aspectRatio {
Image(uiImage: image)
.resizable()
.aspectRatio(aspectRatio, contentMode: .fit)
} else {
Image(uiImage: image)
.resizable()
.scaledToFit()
}
} else if let blurhash = timelineItem.blurhash,
// Build a small blurhash image so that it's fast
let image = UIImage(blurHash: blurhash, size: .init(width: 10.0, height: 10.0)) {
Image(uiImage: image)
.resizable()
.aspectRatio(timelineItem.aspectRatio, contentMode: .fit)
}
}
.id(timelineItem.id)
.animation(.elementDefault, value: timelineItem.image)
.frame(maxHeight: 1000.0)
} else {
TimelineStyler(timelineItem: timelineItem) {
HStack {
Spacer()
ProgressView("Loading")
Spacer()
}
}
.id(timelineItem.id)
}
}
}
struct ImageRoomTimelineView_Previews: PreviewProvider {
static var previews: some View {
body.preferredColorScheme(.light)
body.preferredColorScheme(.dark)
}
@ViewBuilder
static var body: some View {
VStack(spacing: 20.0) {
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: UUID().uuidString,
text: "Some image",
timestamp: "Now",
shouldShowSenderDetails: false,
isOutgoing: false,
senderId: "Bob",
source: nil,
image: UIImage(systemName: "photo")))
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: UUID().uuidString,
text: "Some other image",
timestamp: "Now",
shouldShowSenderDetails: false,
isOutgoing: false,
senderId: "Bob",
source: nil,
image: nil))
ImageRoomTimelineView(timelineItem: ImageRoomTimelineItem(id: UUID().uuidString,
text: "Blurhashed image",
timestamp: "Now",
shouldShowSenderDetails: false,
isOutgoing: false,
senderId: "Bob",
source: nil,
image: nil,
aspectRatio: 0.7,
blurhash: "L%KUc%kqS$RP?Ks,WEf8OlrqaekW"))
}
}
}