140 lines
4.5 KiB
Swift
140 lines
4.5 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 StartChatScreen: View {
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@ObservedObject var context: StartChatViewModel.Context
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var body: some View {
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Form {
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if !context.viewState.isSearching {
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mainContent
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} else {
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searchContent
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}
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}
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.scrollContentBackground(.hidden)
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.background(Color.element.formBackground.ignoresSafeArea())
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.navigationTitle(L10n.actionStartChat)
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.navigationBarTitleDisplayMode(.inline)
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.toolbar {
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ToolbarItem(placement: .navigationBarTrailing) {
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closeButton
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}
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}
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.searchable(text: $context.searchQuery, placement: .navigationBarDrawer(displayMode: .always), prompt: L10n.commonSearchForSomeone)
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.alert(item: $context.alertInfo) { $0.alert }
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}
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// MARK: - Private
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/// The content shown in the form when the search query is empty.
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@ViewBuilder
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private var mainContent: some View {
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createRoomSection
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inviteFriendsSection
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usersSection
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}
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/// The content shown in the form when a search query has been entered.
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@ViewBuilder
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private var searchContent: some View {
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if context.viewState.hasEmptySearchResults {
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noResultsContent
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} else {
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usersSection
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}
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}
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private var createRoomSection: some View {
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Section {
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Button(action: createRoom) {
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Label(L10n.actionCreateARoom, systemImage: "person.3")
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}
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.buttonStyle(FormButtonStyle(accessory: .navigationLink))
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}
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.formSectionStyle()
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}
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private var inviteFriendsSection: some View {
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Section {
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Button(action: inviteFriends) {
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Label(L10n.actionInviteFriendsToApp(InfoPlistReader.main.bundleDisplayName), systemImage: "square.and.arrow.up")
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}
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.buttonStyle(FormButtonStyle())
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.accessibilityIdentifier(A11yIdentifiers.startChatScreen.inviteFriends)
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}
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.formSectionStyle()
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}
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private var usersSection: some View {
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Section {
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ForEach(context.viewState.usersSection.users, id: \.userID) { user in
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Button { context.send(viewAction: .selectUser(user)) } label: {
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StartChatSuggestedUserCell(user: user, imageProvider: context.imageProvider)
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}
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}
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} header: {
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if let title = context.viewState.usersSection.type.title {
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Text(title)
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}
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}
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.listRowSeparator(.automatic)
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.formSectionStyle()
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}
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private var noResultsContent: some View {
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Text(L10n.commonNoResults)
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.font(.element.body)
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.foregroundColor(.element.tertiaryContent)
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.frame(maxWidth: .infinity)
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.listRowBackground(Color.clear)
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.accessibilityIdentifier(A11yIdentifiers.startChatScreen.searchNoResults)
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}
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private var closeButton: some View {
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Button(L10n.actionCancel, action: close)
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.accessibilityIdentifier(A11yIdentifiers.startChatScreen.closeStartChat)
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}
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private func createRoom() {
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context.send(viewAction: .createRoom)
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}
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private func inviteFriends() {
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context.send(viewAction: .inviteFriends)
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}
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private func close() {
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context.send(viewAction: .close)
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}
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}
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// MARK: - Previews
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struct StartChat_Previews: PreviewProvider {
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static var previews: some View {
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let userSession = MockUserSession(clientProxy: MockClientProxy(userID: "@userid:example.com"),
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mediaProvider: MockMediaProvider())
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let regularViewModel = StartChatViewModel(userSession: userSession, userIndicatorController: nil)
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NavigationView {
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StartChatScreen(context: regularViewModel.context)
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.tint(.element.accent)
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}
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}
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}
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