mirror of
https://github.com/vector-im/element-ios.git
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151 lines
5.8 KiB
Swift
151 lines
5.8 KiB
Swift
//
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// Copyright 2021 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 Foundation
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import Reusable
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@objc
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protocol ThreadSummaryViewDelegate: AnyObject {
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func threadSummaryViewTapped(_ summaryView: ThreadSummaryView)
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}
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/// A view to display a summary for an `MXThread` generated by the `MXThreadingService`.
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@objcMembers
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class ThreadSummaryView: UIView {
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private enum Constants {
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static let viewHeight: CGFloat = 40
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static let viewDefaultWidth: CGFloat = 320
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static let cornerRadius: CGFloat = 8
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static let lastMessageFont: UIFont = .systemFont(ofSize: 13)
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}
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@IBOutlet private weak var iconView: UIImageView!
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@IBOutlet private weak var numberOfRepliesLabel: UILabel!
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@IBOutlet private weak var lastMessageAvatarView: UserAvatarView!
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@IBOutlet private weak var lastMessageContentLabel: UILabel!
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private var theme: Theme = ThemeService.shared().theme
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private(set) var thread: MXThread!
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private lazy var tapGestureRecognizer: UITapGestureRecognizer = {
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return UITapGestureRecognizer(target: self, action: #selector(tapped(_:)))
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}()
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weak var delegate: ThreadSummaryViewDelegate?
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// MARK: - Setup
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init(withThread thread: MXThread) {
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self.thread = thread
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super.init(frame: CGRect(origin: .zero,
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size: CGSize(width: Constants.viewDefaultWidth,
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height: Constants.viewHeight)))
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loadNibContent()
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update(theme: ThemeService.shared().theme)
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configure()
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}
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static func contentViewHeight(forThread thread: MXThread, fitting maxWidth: CGFloat) -> CGFloat {
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return Constants.viewHeight
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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loadNibContent()
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}
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@nonobjc func configure(withViewModel viewModel: ThreadSummaryViewModel) {
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numberOfRepliesLabel.text = String(viewModel.numberOfReplies)
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if let avatar = viewModel.lastMessageSenderAvatar {
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lastMessageAvatarView.fill(with: avatar)
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} else {
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lastMessageAvatarView.avatarImageView.image = nil
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}
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if let lastMessage = viewModel.lastMessageText {
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let mutable = NSMutableAttributedString(attributedString: lastMessage)
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mutable.setAttributes([
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.font: Constants.lastMessageFont
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], range: NSRange(location: 0, length: mutable.length))
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lastMessageContentLabel.attributedText = mutable
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} else {
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lastMessageContentLabel.attributedText = nil
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}
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}
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private func configure() {
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clipsToBounds = true
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layer.cornerRadius = Constants.cornerRadius
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addGestureRecognizer(tapGestureRecognizer)
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guard let thread = thread,
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let lastMessage = thread.lastMessage,
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let session = thread.session,
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let eventFormatter = session.roomSummaryUpdateDelegate as? MXKEventFormatter,
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let room = session.room(withRoomId: lastMessage.roomId) else {
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lastMessageAvatarView.avatarImageView.image = nil
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lastMessageContentLabel.text = nil
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return
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}
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let lastMessageSender = session.user(withUserId: lastMessage.sender)
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let fallbackImage = AvatarFallbackImage.matrixItem(lastMessage.sender,
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lastMessageSender?.displayname)
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let avatarViewData = AvatarViewData(matrixItemId: lastMessage.sender,
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displayName: lastMessageSender?.displayname,
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avatarUrl: lastMessageSender?.avatarUrl,
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mediaManager: session.mediaManager,
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fallbackImage: fallbackImage)
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room.state { [weak self] roomState in
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guard let self = self else { return }
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let formatterError = UnsafeMutablePointer<MXKEventFormatterError>.allocate(capacity: 1)
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let lastMessageText = eventFormatter.attributedString(from: lastMessage,
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with: roomState,
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error: formatterError)
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let viewModel = ThreadSummaryViewModel(numberOfReplies: thread.numberOfReplies,
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lastMessageSenderAvatar: avatarViewData,
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lastMessageText: lastMessageText)
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self.configure(withViewModel: viewModel)
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}
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}
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// MARK: - Action
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@objc
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private func tapped(_ sender: UITapGestureRecognizer) {
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guard thread != nil else { return }
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delegate?.threadSummaryViewTapped(self)
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}
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}
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// extension ThreadSummaryView: NibLoadable {}
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extension ThreadSummaryView: NibOwnerLoadable {}
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extension ThreadSummaryView: Themable {
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func update(theme: Theme) {
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self.theme = theme
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backgroundColor = theme.colors.system
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iconView.tintColor = theme.colors.secondaryContent
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numberOfRepliesLabel.textColor = theme.colors.secondaryContent
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lastMessageContentLabel.textColor = theme.colors.secondaryContent
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}
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}
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