mirror of
https://github.com/vector-im/element-ios.git
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134 lines
4.8 KiB
Swift
134 lines
4.8 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 UIKit
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@objcMembers
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class RoomTypingBubbleCell: UITableViewCell, Themable {
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// MARK: - Constants
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static let cellIdentifier = "RoomTypingBubbleCell"
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private static let maxPictureCount = 4
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private static let pictureSize: CGFloat = 24
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private static let pictureMaxMargin: CGFloat = 16
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private static let pictureMinMargin: CGFloat = 8
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// MARK: - Outlets
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@IBOutlet private weak var additionalUsersLabel: UILabel!
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@IBOutlet private weak var additionalUsersLabelLeadingConstraint: NSLayoutConstraint!
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@IBOutlet private weak var dotsView: DotsView!
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@IBOutlet private weak var dotsViewLeadingConstraint: NSLayoutConstraint!
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// MARK: - members
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private var userPictureViews: [MXKImageView] = []
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// MARK: - Lifecycle
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override func awakeFromNib() {
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super.awakeFromNib()
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update(theme: ThemeService.shared().theme)
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}
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override func prepareForReuse() {
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super.prepareForReuse()
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for pictureView in userPictureViews {
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pictureView.removeFromSuperview()
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}
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update(theme: ThemeService.shared().theme)
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}
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override func layoutSubviews() {
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super.layoutSubviews()
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dotsView.isHidden = userPictureViews.count == 0
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guard userPictureViews.count > 0 else {
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return
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}
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additionalUsersLabel?.sizeToFit()
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var pictureViewsMaxX: CGFloat = 0
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var xOffset: CGFloat = 0
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for pictureView in userPictureViews {
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pictureView.center = CGPoint(x: RoomTypingBubbleCell.pictureMaxMargin + xOffset + pictureView.bounds.midX, y: self.bounds.midY)
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xOffset += round(pictureView.bounds.maxX * 2 / 3)
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pictureViewsMaxX = pictureView.frame.maxX
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}
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let leftMagin: CGFloat = pictureViewsMaxX + (userPictureViews.count == 1 ? RoomTypingBubbleCell.pictureMaxMargin : RoomTypingBubbleCell.pictureMinMargin)
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additionalUsersLabelLeadingConstraint.constant = leftMagin
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dotsViewLeadingConstraint?.constant = additionalUsersLabel.text.isEmptyOrNil == true ? leftMagin : leftMagin + 8 + additionalUsersLabel.frame.width
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}
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// MARK: - Themable
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func update(theme: Theme) {
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additionalUsersLabel.textColor = theme.textSecondaryColor
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dotsView.highlightedDotColor = theme.textTertiaryColor
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dotsView.dotColor = theme.textSecondaryColor
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}
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// MARK: - Business methods
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func updateTypingUsers(_ typingUsers: [TypingUserInfo], mediaManager: MXMediaManager) {
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for pictureView in userPictureViews {
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pictureView.removeFromSuperview()
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}
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userPictureViews = []
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for user in typingUsers {
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if userPictureViews.count >= RoomTypingBubbleCell.maxPictureCount {
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break
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}
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let pictureView = MXKImageView(frame: CGRect(x: 0, y: 0, width: RoomTypingBubbleCell.pictureSize, height: RoomTypingBubbleCell.pictureSize))
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pictureView.layer.masksToBounds = true
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pictureView.layer.cornerRadius = pictureView.bounds.midX
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let defaultavatarImage = AvatarGenerator.generateAvatar(forMatrixItem: user.userId, withDisplayName: user.displayName)
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pictureView.setImageURI(user.avatarUrl, withType: nil, andImageOrientation: .up, toFitViewSize: pictureView.bounds.size, with: MXThumbnailingMethodCrop, previewImage: defaultavatarImage, mediaManager: mediaManager)
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userPictureViews.append(pictureView)
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self.contentView.addSubview(pictureView)
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}
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switch typingUsers.count {
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case 0:
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additionalUsersLabel.text = nil
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case 1:
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additionalUsersLabel.text = firstUserNameFor(typingUsers)
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default:
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additionalUsersLabel.text = VectorL10n.roomMultipleTypingNotification(firstUserNameFor(typingUsers) ?? "")
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}
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self.setNeedsLayout()
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}
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private func firstUserNameFor(_ typingUsers: Array<TypingUserInfo>) -> String? {
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guard let firstUser = typingUsers.first else {
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return nil
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}
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return firstUser.displayName.isEmptyOrNil ? firstUser.userId : firstUser.displayName
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}
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}
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