element-x-ios/ElementX/Sources/Screens/RoomScreen/View/Style/TimelineItemBubbledStylerVi...

127 lines
4.1 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 TimelineItemBubbledStylerView<Content: View>: View {
let timelineItem: EventBasedTimelineItemProtocol
@ViewBuilder let content: () -> Content
@Environment(\.colorScheme) private var colorScheme
@ScaledMetric private var minBubbleWidth = 44
var body: some View {
VStack(alignment: timelineItem.isOutgoing ? .trailing : .leading, spacing: -5) {
if !timelineItem.isOutgoing {
header
.zIndex(1)
}
if timelineItem.isOutgoing {
HStack {
Spacer()
styledContent
}
.padding(.trailing, 16)
.padding(.leading, 51)
} else {
styledContent
.padding(.leading, 16)
.padding(.trailing, 51)
}
}
}
@ViewBuilder
private var header: some View {
if timelineItem.shouldShowSenderDetails {
VStack {
Spacer()
.frame(height: 8)
HStack(alignment: .top, spacing: 4) {
TimelineSenderAvatarView(timelineItem: timelineItem)
Text(timelineItem.senderDisplayName ?? timelineItem.senderId)
.font(.body)
.foregroundColor(.element.primaryContent)
.fontWeight(.semibold)
.lineLimit(1)
}
}
}
}
@ViewBuilder
var styledContent: some View {
if shouldAvoidBubbling {
ZStack(alignment: .bottomTrailing) {
content()
.clipped()
.cornerRadius(8)
Text(timelineItem.timestamp)
.foregroundColor(.global.white)
.font(.element.caption2)
.padding(4)
.background(Color(white: 0, opacity: 0.7))
.clipped()
.cornerRadius(8)
.offset(x: -8, y: -8)
}
} else {
VStack(alignment: .trailing, spacing: 4) {
content()
.frame(minWidth: minBubbleWidth, alignment: .leading)
Text(timelineItem.timestamp)
.foregroundColor(Color.element.tertiaryContent)
.font(.element.caption2)
}
.padding(EdgeInsets(top: 8, leading: 8, bottom: 4, trailing: 8))
.clipped()
.background(bubbleColor)
.cornerRadius(12)
}
}
private var shouldAvoidBubbling: Bool {
timelineItem is ImageRoomTimelineItem
}
private var bubbleColor: Color {
let opacity = colorScheme == .light ? 0.06 : 0.15
return timelineItem.isOutgoing ? .element.accent.opacity(opacity) : .element.system
}
}
struct TimelineItemBubbledStylerView_Previews: PreviewProvider {
static var previews: some View {
body.preferredColorScheme(.light)
body.preferredColorScheme(.dark)
}
@ViewBuilder
static var body: some View {
VStack(alignment: .leading) {
ForEach(1..<MockRoomTimelineController().timelineItems.count, id: \.self) { index in
let item = MockRoomTimelineController().timelineItems[index]
RoomTimelineViewFactory().buildTimelineViewFor(timelineItem: item)
}
}
.timelineStyle(.bubbles)
.padding(.horizontal, 8)
.previewLayout(.sizeThatFits)
}
}