236 lines
9.0 KiB
Swift
236 lines
9.0 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import SwiftUI
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struct CreateRoomScreen: View {
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@ObservedObject var context: CreateRoomViewModel.Context
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@FocusState private var focus: Focus?
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private enum Focus {
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case name
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case topic
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}
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var body: some View {
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mainContent
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.scrollDismissesKeyboard(.immediately)
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.elementFormStyle()
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.navigationTitle(L10n.screenCreateRoomTitle)
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .confirmationAction) {
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createButton
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}
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}
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.background(ViewFrameReader(frame: $frame))
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.alert(item: $context.alertInfo) { $0.alert }
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}
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/// The main content of the view to be shown in a scroll view.
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var mainContent: some View {
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Form {
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roomSection
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topicSection
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Spacer()
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.listRowBackground(Color.clear)
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securitySection
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}
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}
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@ScaledMetric private var roomIconSize: CGFloat = 64
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private var roomSection: some View {
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Section {
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HStack(alignment: .center, spacing: 16) {
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Button {
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focus = nil
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context.showAttachmentConfirmationDialog = true
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} label: {
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if let url = context.viewState.avatarURL {
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AsyncImage(url: url) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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ProgressView()
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}
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.frame(width: roomIconSize, height: roomIconSize)
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.clipShape(Circle())
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} else {
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cameraImage
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}
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}
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.buttonStyle(.plain)
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.confirmationDialog("", isPresented: $context.showAttachmentConfirmationDialog) {
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Button(L10n.actionTakePhoto) {
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context.send(viewAction: .displayCameraPicker)
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}
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Button(L10n.actionChoosePhoto) {
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context.send(viewAction: .displayMediaPicker)
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}
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if context.viewState.avatarURL != nil {
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Button(L10n.actionRemove, role: .destructive) {
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context.send(viewAction: .removeImage)
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}
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}
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}
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VStack(alignment: .leading, spacing: 8) {
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Text(L10n.screenCreateRoomRoomNameLabel.uppercased())
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.font(.compound.bodyXS)
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.padding(.leading, 16)
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.formSectionHeader()
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TextField(L10n.screenCreateRoomRoomNameLabel,
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text: $context.roomName,
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prompt: Text(L10n.screenCreateRoomRoomNamePlaceholder),
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axis: .horizontal)
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.focused($focus, equals: .name)
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.accessibilityIdentifier(A11yIdentifiers.createRoomScreen.roomName)
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.padding(EdgeInsets(top: 10, leading: 16, bottom: 10, trailing: 16))
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.background(Color.element.formRowBackground)
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.clipShape(RoundedRectangle(cornerRadius: 8))
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}
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}
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.listRowInsets(.init())
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.listRowBackground(Color.clear)
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}
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.formSectionStyle()
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}
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private var cameraImage: some View {
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Image(systemName: "camera")
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.foregroundColor(.element.secondaryContent)
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.frame(width: roomIconSize, height: roomIconSize)
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.background(Color.element.quinaryContent)
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.clipShape(Circle())
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}
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private var topicSection: some View {
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Section {
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TextField(L10n.screenCreateRoomTopicLabel,
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text: $context.roomTopic,
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prompt: Text(L10n.screenCreateRoomTopicPlaceholder),
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axis: .vertical)
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.focused($focus, equals: .topic)
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.accessibilityIdentifier(A11yIdentifiers.createRoomScreen.roomTopic)
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.lineLimit(3, reservesSpace: false)
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} header: {
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Text(L10n.screenCreateRoomTopicLabel)
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.formSectionHeader()
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} footer: {
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if !context.viewState.selectedUsers.isEmpty {
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selectedUsersSection
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}
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}
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.formSectionStyle()
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}
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@State private var frame: CGRect = .zero
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@ScaledMetric private var invitedUserCellWidth: CGFloat = 64
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private var selectedUsersSection: some View {
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ScrollView(.horizontal, showsIndicators: false) {
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LazyHStack(spacing: 28) {
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ForEach(context.viewState.selectedUsers, id: \.userID) { user in
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InviteUsersScreenSelectedItem(user: user, imageProvider: context.imageProvider) {
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context.send(viewAction: .deselectUser(user))
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}
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.frame(width: invitedUserCellWidth)
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}
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}
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.padding(.init(top: 16, leading: 32, bottom: 16, trailing: 32))
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}
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.frame(width: frame.width)
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}
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private var securitySection: some View {
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Section {
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Picker(L10n.commonSecurity, selection: $context.isRoomPrivate) {
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Label {
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VStack(alignment: .leading, spacing: 8) {
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Text(L10n.screenCreateRoomPrivateOptionTitle)
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Text(L10n.screenCreateRoomPrivateOptionDescription)
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.font(.compound.bodyMD)
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.foregroundColor(.element.secondaryContent)
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}
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} icon: {
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Image(systemName: "lock.shield")
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}
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.tag(true)
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.labelStyle(FormRowLabelStyle(alignment: .top))
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Label {
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VStack(alignment: .leading, spacing: 8) {
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Text(L10n.screenCreateRoomPublicOptionTitle)
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Text(L10n.screenCreateRoomPublicOptionDescription)
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.font(.compound.bodyMD)
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.foregroundColor(.element.secondaryContent)
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}
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} icon: {
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Image(systemName: "exclamationmark.shield")
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}
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.tag(false)
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.labelStyle(FormRowLabelStyle(alignment: .top))
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}
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.labelsHidden()
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.pickerStyle(.inline)
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} header: {
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Text(L10n.commonSecurity.uppercased())
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.formSectionHeader()
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}
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.formSectionStyle()
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}
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private var createButton: some View {
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Button {
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focus = nil
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context.send(viewAction: .createRoom)
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} label: {
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Text(L10n.actionCreate)
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}
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.disabled(!context.viewState.canCreateRoom)
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}
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}
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// MARK: - Previews
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struct CreateRoom_Previews: PreviewProvider {
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static let viewModel = {
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let userSession = MockUserSession(clientProxy: MockClientProxy(userID: "@userid:example.com"),
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mediaProvider: MockMediaProvider())
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let parameters = CreateRoomFlowParameters()
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let selectedUsers: [UserProfileProxy] = [.mockAlice, .mockBob, .mockCharlie]
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return CreateRoomViewModel(userSession: userSession, userIndicatorController: nil, createRoomParameters: .init(parameters), selectedUsers: .init(selectedUsers))
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}()
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static let emtpyViewModel = {
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let userSession = MockUserSession(clientProxy: MockClientProxy(userID: "@userid:example.com"),
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mediaProvider: MockMediaProvider())
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let parameters = CreateRoomFlowParameters()
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return CreateRoomViewModel(userSession: userSession, userIndicatorController: nil, createRoomParameters: .init(parameters), selectedUsers: .init([]))
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}()
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static var previews: some View {
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NavigationView {
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CreateRoomScreen(context: viewModel.context)
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}
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.previewDisplayName("Create Room")
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NavigationView {
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CreateRoomScreen(context: emtpyViewModel.context)
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}
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.previewDisplayName("Create Room without users")
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}
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}
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