element-ios/RiotSwiftUI/Modules/Common/Avatar/View/SpaceAvatarImage.swift

110 lines
4.4 KiB
Swift

//
// Copyright 2021 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 DesignKit
import SwiftUI
struct SpaceAvatarImage: View {
@Environment(\.theme) var theme: ThemeSwiftUI
@EnvironmentObject var viewModel: AvatarViewModel
var mxContentUri: String?
var matrixItemId: String
var displayName: String?
var size: AvatarSize
@State private var avatar: AvatarViewState = .empty
var body: some View {
Group {
switch avatar {
case .empty:
ProgressView()
case .placeholder(let firstCharacter, let colorIndex):
Text(String(firstCharacter))
.padding(10)
.frame(width: CGFloat(size.rawValue), height: CGFloat(size.rawValue))
.foregroundColor(.white)
.background(theme.colors.namesAndAvatars[colorIndex])
.clipShape(RoundedRectangle(cornerRadius: 8))
// Make the text resizable (i.e. Make it large and then allow it to scale down)
.font(.system(size: 200))
.minimumScaleFactor(0.001)
case .avatar(let image):
Image(uiImage: image)
.resizable()
.frame(width: CGFloat(size.rawValue), height: CGFloat(size.rawValue))
.clipShape(RoundedRectangle(cornerRadius: 8))
}
}
.onChange(of: displayName) { value in
guard case .placeholder = avatar else { return }
viewModel.loadAvatar(mxContentUri: mxContentUri,
matrixItemId: matrixItemId,
displayName: value,
colorCount: theme.colors.namesAndAvatars.count,
avatarSize: size) { newState in
avatar = newState
}
}
.onAppear {
avatar = viewModel.placeholderAvatar(matrixItemId: matrixItemId,
displayName: displayName,
colorCount: theme.colors.namesAndAvatars.count)
viewModel.loadAvatar(mxContentUri: mxContentUri,
matrixItemId: matrixItemId,
displayName: displayName,
colorCount: theme.colors.namesAndAvatars.count,
avatarSize: size) { newState in
avatar = newState
}
}
}
}
extension SpaceAvatarImage {
init(avatarData: AvatarInputProtocol, size: AvatarSize) {
self.init(
mxContentUri: avatarData.mxContentUri,
matrixItemId: avatarData.matrixItemId,
displayName: avatarData.displayName,
size: size
)
}
}
struct LiveAvatarImage_Previews: PreviewProvider {
static let mxContentUri = "fakeUri"
static let name = "Alice"
static var previews: some View {
Group {
HStack {
VStack(alignment: .center, spacing: 20) {
SpaceAvatarImage(avatarData: MockAvatarInput.example, size: .xSmall)
SpaceAvatarImage(avatarData: MockAvatarInput.example, size: .medium)
SpaceAvatarImage(avatarData: MockAvatarInput.example, size: .xLarge)
}
VStack(alignment: .center, spacing: 20) {
SpaceAvatarImage(mxContentUri: nil, matrixItemId: name, displayName: name, size: .xSmall)
SpaceAvatarImage(mxContentUri: nil, matrixItemId: name, displayName: name, size: .medium)
SpaceAvatarImage(mxContentUri: nil, matrixItemId: name, displayName: name, size: .xLarge)
}
}
.environmentObject(AvatarViewModel.withMockedServices())
}
}
}