93 lines
3.9 KiB
Swift
93 lines
3.9 KiB
Swift
//
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// ContentWarningOverlayView.swift
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// Mastodon
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//
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// Created by sxiaojian on 2021/3/11.
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//
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import os.log
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import Foundation
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import UIKit
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protocol ContentWarningOverlayViewDelegate: class {
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func contentWarningOverlayViewDidPressed(_ contentWarningOverlayView: ContentWarningOverlayView)
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}
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class ContentWarningOverlayView: UIView {
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static let cornerRadius: CGFloat = 4
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static let blurVisualEffect = UIBlurEffect(style: .systemUltraThinMaterial)
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let blurVisualEffectView = UIVisualEffectView(effect: ContentWarningOverlayView.blurVisualEffect)
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let vibrancyVisualEffectView = UIVisualEffectView(effect: UIVibrancyEffect(blurEffect: ContentWarningOverlayView.blurVisualEffect))
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let contentWarningLabel: UILabel = {
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let label = UILabel()
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label.font = UIFontMetrics(forTextStyle: .body).scaledFont(for: .systemFont(ofSize: 15))
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label.text = L10n.Common.Controls.Status.mediaContentWarning
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label.textAlignment = .center
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return label
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}()
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let tapGestureRecognizer = UITapGestureRecognizer.singleTapGestureRecognizer
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weak var delegate: ContentWarningOverlayViewDelegate?
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override init(frame: CGRect) {
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super.init(frame: frame)
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_init()
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}
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required init?(coder: NSCoder) {
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super.init(coder: coder)
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_init()
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}
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}
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extension ContentWarningOverlayView {
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private func _init() {
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backgroundColor = .clear
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translatesAutoresizingMaskIntoConstraints = false
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// add blur visual effect view in the setup method
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blurVisualEffectView.layer.masksToBounds = true
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blurVisualEffectView.layer.cornerRadius = ContentWarningOverlayView.cornerRadius
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blurVisualEffectView.layer.cornerCurve = .continuous
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vibrancyVisualEffectView.translatesAutoresizingMaskIntoConstraints = false
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blurVisualEffectView.contentView.addSubview(vibrancyVisualEffectView)
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NSLayoutConstraint.activate([
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vibrancyVisualEffectView.topAnchor.constraint(equalTo: blurVisualEffectView.topAnchor),
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vibrancyVisualEffectView.leadingAnchor.constraint(equalTo: blurVisualEffectView.leadingAnchor),
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vibrancyVisualEffectView.trailingAnchor.constraint(equalTo: blurVisualEffectView.trailingAnchor),
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vibrancyVisualEffectView.bottomAnchor.constraint(equalTo: blurVisualEffectView.bottomAnchor),
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])
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contentWarningLabel.translatesAutoresizingMaskIntoConstraints = false
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vibrancyVisualEffectView.contentView.addSubview(contentWarningLabel)
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NSLayoutConstraint.activate([
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contentWarningLabel.leadingAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.layoutMarginsGuide.leadingAnchor),
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contentWarningLabel.trailingAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.layoutMarginsGuide.trailingAnchor),
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contentWarningLabel.centerYAnchor.constraint(equalTo: vibrancyVisualEffectView.contentView.centerYAnchor),
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])
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blurVisualEffectView.translatesAutoresizingMaskIntoConstraints = false
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addSubview(blurVisualEffectView)
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NSLayoutConstraint.activate([
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blurVisualEffectView.topAnchor.constraint(equalTo: topAnchor),
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blurVisualEffectView.leadingAnchor.constraint(equalTo: leadingAnchor),
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blurVisualEffectView.trailingAnchor.constraint(equalTo: trailingAnchor),
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blurVisualEffectView.bottomAnchor.constraint(equalTo: bottomAnchor),
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])
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tapGestureRecognizer.addTarget(self, action: #selector(ContentWarningOverlayView.tapGestureRecognizerHandler(_:)))
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addGestureRecognizer(tapGestureRecognizer)
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}
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}
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extension ContentWarningOverlayView {
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@objc private func tapGestureRecognizerHandler(_ sender: UITapGestureRecognizer) {
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os_log(.info, log: .debug, "%{public}s[%{public}ld], %{public}s", ((#file as NSString).lastPathComponent), #line, #function)
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delegate?.contentWarningOverlayViewDidPressed(self)
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}
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}
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