2021-06-04 14:11:02 +00:00
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//
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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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/// Base class to support an avatar view
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2021-06-08 15:49:11 +00:00
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/// Note: This class is made to be sublcassed
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2021-06-04 14:11:02 +00:00
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class AvatarView: UIView, Themable {
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// MARK: - Properties
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// MARK: Outlets
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@IBOutlet weak var avatarImageView: MXKImageView! {
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didSet {
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self.setupAvatarImageView()
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}
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}
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// MARK: Private
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private var theme: Theme?
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// MARK: Public
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override var isUserInteractionEnabled: Bool {
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get {
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return super.isUserInteractionEnabled
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}
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set {
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super.isUserInteractionEnabled = newValue
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self.updateAccessibilityTraits()
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}
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}
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/// Indicate highlighted state
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var isHighlighted: Bool = false {
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didSet {
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self.updateView()
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}
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}
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var action: (() -> Void)?
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// MARK: - Setup
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private func commonInit() {
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self.setupGestureRecognizer()
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self.updateAccessibilityTraits()
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}
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required init?(coder aDecoder: NSCoder) {
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super.init(coder: aDecoder)
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self.commonInit()
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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self.commonInit()
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}
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// MARK: - Lifecycle
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override func layoutSubviews() {
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super.layoutSubviews()
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self.avatarImageView.layer.cornerRadius = self.avatarImageView.bounds.height/2
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}
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// MARK: - Public
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func fill(with viewData: AvatarViewDataProtocol) {
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self.updateAvatarImageView(with: viewData)
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self.setNeedsLayout()
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}
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func update(theme: Theme) {
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self.theme = theme
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}
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func updateAccessibilityTraits() {
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2021-06-08 15:49:11 +00:00
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// Override in subclass
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2021-06-04 14:11:02 +00:00
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}
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func setupAvatarImageView() {
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self.avatarImageView.defaultBackgroundColor = UIColor.clear
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self.avatarImageView.enableInMemoryCache = true
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self.avatarImageView.layer.masksToBounds = true
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}
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func updateAvatarImageView(with viewData: AvatarViewDataProtocol) {
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guard let avatarImageView = self.avatarImageView else {
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return
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}
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let defaultavatarImage = AvatarGenerator.generateAvatar(forMatrixItem: viewData.matrixItemId, withDisplayName: viewData.displayName)
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if let avatarUrl = viewData.avatarUrl {
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avatarImageView.setImageURI(avatarUrl,
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withType: nil,
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andImageOrientation: .up,
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toFitViewSize: avatarImageView.frame.size,
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with: MXThumbnailingMethodScale,
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previewImage: defaultavatarImage,
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mediaManager: viewData.mediaManager)
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} else {
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avatarImageView.image = defaultavatarImage
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}
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avatarImageView.contentMode = .scaleAspectFill
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}
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func updateView() {
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2021-06-08 15:49:11 +00:00
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// Override in subclass if needed
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2021-06-04 14:11:02 +00:00
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// TODO: Handle highlighted state
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}
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// MARK: - Private
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private func setupGestureRecognizer() {
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let gestureRecognizer = UILongPressGestureRecognizer(target: self, action: #selector(buttonAction(_:)))
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gestureRecognizer.minimumPressDuration = 0
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self.addGestureRecognizer(gestureRecognizer)
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}
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// MARK: - Actions
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@objc private func buttonAction(_ sender: UILongPressGestureRecognizer) {
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let isBackgroundViewTouched = sender.vc_isTouchingInside()
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switch sender.state {
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case .began, .changed:
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self.isHighlighted = isBackgroundViewTouched
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case .ended:
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self.isHighlighted = false
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if isBackgroundViewTouched {
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self.action?()
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}
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case .cancelled:
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self.isHighlighted = false
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default:
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break
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}
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}
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}
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