116 lines
4.8 KiB
Swift
116 lines
4.8 KiB
Swift
import UIKit
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/// 工具栏管理扩展：处理工具栏的显示/隐藏动画、安装、布局
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extension RDReaderView {
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/// 点击屏幕中央区域，切换工具栏的显示/隐藏
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func tapCenter() {
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refreshToolViewsFromProviderIfNeeded()
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print("[Debug] tapCenter called, isShowToolView was: \(isShowToolView), topToolView: \(String(describing: topToolView)), onBack: \(String(describing: (topToolView as? RDEPUBReaderTopToolView)?.onBack))")
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isShowToolView = !isShowToolView
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if isShowToolView {
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if let topToolView = topToolView {
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installToolViewIfNeeded(topToolView, position: .top)
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layoutIfNeeded()
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topToolView.transform = CGAffineTransform(translationX: 0, y: -topToolView.bounds.height)
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UIView.animate(withDuration: toolViewAnimationDuration) {
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topToolView.transform = .identity
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}
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}
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if let bottomToolView = bottomToolView {
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installToolViewIfNeeded(bottomToolView, position: .bottom)
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layoutIfNeeded()
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bottomToolView.transform = CGAffineTransform(translationX: 0, y: bottomToolView.bounds.height)
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UIView.animate(withDuration: toolViewAnimationDuration) {
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bottomToolView.transform = .identity
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}
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}
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collectionView.isUserInteractionEnabled = false
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pageViewController.view.isUserInteractionEnabled = false
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} else {
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if let topToolView = topToolView {
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UIView.animate(withDuration: toolViewAnimationDuration, animations: {
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topToolView.transform = CGAffineTransform(translationX: 0, y: -topToolView.bounds.height)
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}) { _ in
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topToolView.removeFromSuperview()
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}
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}
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if let bottomToolView = bottomToolView {
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UIView.animate(withDuration: toolViewAnimationDuration, animations: {
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bottomToolView.transform = CGAffineTransform(translationX: 0, y: bottomToolView.bounds.height)
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}) { _ in
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bottomToolView.removeFromSuperview()
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}
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}
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collectionView.isUserInteractionEnabled = true
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pageViewController.view.isUserInteractionEnabled = true
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}
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}
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/// 判断点击命中的视图是否在指定工具栏内
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func isHitView(_ hitView: UIView?, inside toolView: UIView, point: CGPoint) -> Bool {
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if toolView.frame.contains(point) {
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return true
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}
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guard let hitView else { return false }
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return hitView === toolView || hitView.isDescendant(of: toolView)
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}
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enum ToolViewPosition {
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case top
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case bottom
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}
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func installToolViewIfNeeded(_ toolView: UIView, position: ToolViewPosition) {
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guard toolView.superview !== self else { return }
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toolView.removeFromSuperview()
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addSubview(toolView)
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toolView.translatesAutoresizingMaskIntoConstraints = false
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let heightConstraint: NSLayoutConstraint
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switch position {
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case .top:
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topToolViewHeightConstraint?.isActive = false
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heightConstraint = toolView.heightAnchor.constraint(equalToConstant: resolvedToolViewHeight(for: .top))
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topToolViewHeightConstraint = heightConstraint
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NSLayoutConstraint.activate([
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toolView.leadingAnchor.constraint(equalTo: leadingAnchor),
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toolView.trailingAnchor.constraint(equalTo: trailingAnchor),
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toolView.topAnchor.constraint(equalTo: topAnchor),
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heightConstraint
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])
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case .bottom:
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bottomToolViewHeightConstraint?.isActive = false
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heightConstraint = toolView.heightAnchor.constraint(equalToConstant: resolvedToolViewHeight(for: .bottom))
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bottomToolViewHeightConstraint = heightConstraint
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NSLayoutConstraint.activate([
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toolView.leadingAnchor.constraint(equalTo: leadingAnchor),
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toolView.trailingAnchor.constraint(equalTo: trailingAnchor),
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toolView.bottomAnchor.constraint(equalTo: bottomAnchor),
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heightConstraint
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])
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}
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}
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func updateToolViewHeightConstraintsIfNeeded() {
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topToolViewHeightConstraint?.constant = resolvedToolViewHeight(for: .top)
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bottomToolViewHeightConstraint?.constant = resolvedToolViewHeight(for: .bottom)
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}
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private func resolvedToolViewHeight(for position: ToolViewPosition) -> CGFloat {
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let contentHeight: CGFloat = 52
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switch position {
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case .top:
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return safeAreaInsets.top + contentHeight
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case .bottom:
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return safeAreaInsets.bottom + contentHeight
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}
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}
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}
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