mirror of
https://github.com/vector-im/element-ios.git
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108 lines
4.4 KiB
Swift
108 lines
4.4 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 UIKit
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/// Base view class for mention Pills.
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@available (iOS 15.0, *)
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@objcMembers
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class PillAttachmentView: UIView {
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// MARK: - Internal Structs
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/// Sizes provided alongside frame to build `PillAttachmentView` layout.
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struct Sizes {
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var verticalMargin: CGFloat
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var horizontalMargin: CGFloat
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var avatarSideLength: CGFloat
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var pillBackgroundHeight: CGFloat {
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return avatarSideLength + 2 * verticalMargin
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}
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var pillHeight: CGFloat {
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return pillBackgroundHeight + 2 * verticalMargin
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}
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var displaynameLabelLeading: CGFloat {
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return avatarSideLength + 2 * horizontalMargin
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}
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var totalWidthWithoutLabel: CGFloat {
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return displaynameLabelLeading + 2 * horizontalMargin
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}
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}
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// MARK: - Init
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/// Create a Mention Pill view for given data.
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///
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/// - Parameters:
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/// - frame: the frame of the view
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/// - sizes: additional size parameters
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/// - theme: current theme
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/// - mediaManager: the media manager if available
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/// - pillData: the pill data
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convenience init(frame: CGRect,
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sizes: Sizes,
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theme: Theme,
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mediaManager: MXMediaManager?,
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andPillData pillData: PillTextAttachmentData) {
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self.init(frame: frame)
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let label = UILabel(frame: .zero)
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label.text = pillData.displayText
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label.font = pillData.font
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label.textColor = pillData.isHighlighted ? theme.baseTextPrimaryColor : theme.textPrimaryColor
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let labelSize = label.sizeThatFits(CGSize(width: CGFloat.greatestFiniteMagnitude,
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height: sizes.pillBackgroundHeight))
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label.frame = CGRect(x: sizes.displaynameLabelLeading,
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y: 0,
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width: labelSize.width,
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height: sizes.pillBackgroundHeight)
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let pillBackgroundView = UIView(frame: CGRect(x: 0,
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y: sizes.verticalMargin,
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width: labelSize.width + sizes.totalWidthWithoutLabel,
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height: sizes.pillBackgroundHeight))
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let avatarView = UserAvatarView(frame: CGRect(x: sizes.horizontalMargin,
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y: sizes.verticalMargin,
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width: sizes.avatarSideLength,
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height: sizes.avatarSideLength))
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avatarView.fill(with: AvatarViewData(matrixItemId: pillData.matrixItemId,
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displayName: pillData.displayName,
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avatarUrl: pillData.avatarUrl,
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mediaManager: mediaManager,
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fallbackImage: .matrixItem(pillData.matrixItemId, pillData.displayName)))
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avatarView.isUserInteractionEnabled = false
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pillBackgroundView.addSubview(avatarView)
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pillBackgroundView.addSubview(label)
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pillBackgroundView.backgroundColor = pillData.isHighlighted ? theme.colors.alert : theme.colors.quinaryContent
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pillBackgroundView.layer.cornerRadius = sizes.pillBackgroundHeight / 2.0
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self.addSubview(pillBackgroundView)
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self.alpha = pillData.alpha
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}
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// MARK: - Override
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override var isHidden: Bool {
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get {
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return false
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}
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// swiftlint:disable:next unused_setter_value
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set {
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// Disable isHidden for pills, fixes a bug where the system sometimes
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// hides attachment views for undisclosed reasons. Pills never needs to be hidden.
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}
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}
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}
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