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Pods/ZLPhotoBrowser/Sources/General/ZLThumbnailPhotoCell.swift
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Pods/ZLPhotoBrowser/Sources/General/ZLThumbnailPhotoCell.swift
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//
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// ZLThumbnailPhotoCell.swift
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// ZLPhotoBrowser
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//
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// Created by long on 2020/8/12.
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//
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// Copyright (c) 2020 Long Zhang <495181165@qq.com>
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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import UIKit
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import Photos
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class ZLThumbnailPhotoCell: UICollectionViewCell {
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private lazy var containerView = UIView()
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private lazy var bottomShadowView = UIImageView(image: .zl.getImage("zl_shadow"))
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private lazy var videoTag = UIImageView(image: .zl.getImage("zl_video"))
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private lazy var livePhotoTag = UIImageView(image: .zl.getImage("zl_livePhoto"))
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private lazy var editImageTag = UIImageView(image: .zl.getImage("zl_editImage_tag"))
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private lazy var descLabel: UILabel = {
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let label = UILabel()
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label.font = .zl.font(ofSize: 13)
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label.textAlignment = .right
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label.textColor = .white
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return label
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}()
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private lazy var progressView: ZLProgressView = {
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let view = ZLProgressView()
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view.isHidden = true
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return view
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}()
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private var imageIdentifier: String = ""
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private var smallImageRequestID: PHImageRequestID = PHInvalidImageRequestID
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private var bigImageReqeustID: PHImageRequestID = PHInvalidImageRequestID
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lazy var imageView: UIImageView = {
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let view = UIImageView()
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view.contentMode = .scaleAspectFill
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view.clipsToBounds = true
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return view
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}()
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lazy var btnSelect: ZLEnlargeButton = {
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let btn = ZLEnlargeButton(type: .custom)
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btn.setBackgroundImage(.zl.getImage("zl_btn_unselected"), for: .normal)
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btn.setBackgroundImage(.zl.getImage("zl_btn_selected"), for: .selected)
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btn.addTarget(self, action: #selector(btnSelectClick), for: .touchUpInside)
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btn.enlargeInsets = UIEdgeInsets(top: 5, left: 10, bottom: 10, right: 5)
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return btn
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}()
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lazy var coverView: UIView = {
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let view = UIView()
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view.isUserInteractionEnabled = false
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view.isHidden = true
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return view
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}()
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lazy var indexLabel: UILabel = {
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let label = UILabel()
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label.layer.cornerRadius = 23.0 / 2
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label.layer.masksToBounds = true
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label.textColor = .zl.indexLabelTextColor
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label.backgroundColor = .zl.indexLabelBgColor
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label.font = .zl.font(ofSize: 14)
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label.adjustsFontSizeToFitWidth = true
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label.minimumScaleFactor = 0.5
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label.textAlignment = .center
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return label
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}()
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var enableSelect = true
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var selectedBlock: ((Bool) -> Void)?
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var model: ZLPhotoModel! {
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didSet {
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configureCell()
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}
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}
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var index: Int = 0 {
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didSet {
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indexLabel.text = String(index)
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}
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}
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deinit {
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zl_debugPrint("ZLThumbnailPhotoCell deinit")
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}
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override init(frame: CGRect) {
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super.init(frame: frame)
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setupUI()
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}
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@available(*, unavailable)
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required init?(coder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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func setupUI() {
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contentView.addSubview(imageView)
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contentView.addSubview(containerView)
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containerView.addSubview(coverView)
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containerView.addSubview(btnSelect)
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btnSelect.addSubview(indexLabel)
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containerView.addSubview(bottomShadowView)
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bottomShadowView.addSubview(videoTag)
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bottomShadowView.addSubview(livePhotoTag)
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bottomShadowView.addSubview(editImageTag)
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bottomShadowView.addSubview(descLabel)
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containerView.addSubview(progressView)
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if ZLPhotoConfiguration.default().showSelectedBorder {
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layer.borderColor = UIColor.zl.selectedBorderColor.cgColor
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}
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}
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override func layoutSubviews() {
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imageView.frame = bounds
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containerView.frame = bounds
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coverView.frame = bounds
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btnSelect.frame = CGRect(x: bounds.width - 30, y: 8, width: 23, height: 23)
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indexLabel.frame = btnSelect.bounds
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bottomShadowView.frame = CGRect(x: 0, y: bounds.height - 25, width: bounds.width, height: 25)
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videoTag.frame = CGRect(x: 5, y: 1, width: 20, height: 15)
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livePhotoTag.frame = CGRect(x: 5, y: -1, width: 20, height: 20)
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editImageTag.frame = CGRect(x: 5, y: -1, width: 20, height: 20)
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descLabel.frame = CGRect(x: 30, y: 1, width: bounds.width - 35, height: 17)
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progressView.frame = CGRect(x: (bounds.width - 20) / 2, y: (bounds.height - 20) / 2, width: 20, height: 20)
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super.layoutSubviews()
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}
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@objc func btnSelectClick() {
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btnSelect.layer.removeAllAnimations()
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if !btnSelect.isSelected, ZLPhotoConfiguration.default().animateSelectBtnWhenSelect {
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btnSelect.layer.add(ZLAnimationUtils.springAnimation(), forKey: nil)
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}
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selectedBlock?(btnSelect.isSelected)
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if btnSelect.isSelected {
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fetchBigImage()
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} else {
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progressView.isHidden = true
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cancelFetchBigImage()
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}
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}
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private func configureCell() {
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if ZLPhotoUIConfiguration.default().cellCornerRadio > 0 {
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layer.cornerRadius = ZLPhotoUIConfiguration.default().cellCornerRadio
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layer.masksToBounds = true
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}
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if model.type == .video {
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bottomShadowView.isHidden = false
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videoTag.isHidden = false
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livePhotoTag.isHidden = true
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editImageTag.isHidden = true
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descLabel.text = model.duration
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} else if model.type == .gif {
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bottomShadowView.isHidden = !ZLPhotoConfiguration.default().allowSelectGif
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videoTag.isHidden = true
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livePhotoTag.isHidden = true
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editImageTag.isHidden = true
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descLabel.text = "GIF"
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} else if model.type == .livePhoto {
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bottomShadowView.isHidden = !ZLPhotoConfiguration.default().allowSelectLivePhoto
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videoTag.isHidden = true
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livePhotoTag.isHidden = false
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editImageTag.isHidden = true
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descLabel.text = "Live"
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} else {
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if let _ = model.editImage {
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bottomShadowView.isHidden = false
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videoTag.isHidden = true
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livePhotoTag.isHidden = true
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editImageTag.isHidden = false
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descLabel.text = ""
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} else {
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bottomShadowView.isHidden = true
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}
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}
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let showSelBtn: Bool
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if ZLPhotoConfiguration.default().maxSelectCount > 1 {
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if !ZLPhotoConfiguration.default().allowMixSelect {
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showSelBtn = model.type.rawValue < ZLPhotoModel.MediaType.video.rawValue
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} else {
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showSelBtn = true
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}
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} else {
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showSelBtn = ZLPhotoConfiguration.default().showSelectBtnWhenSingleSelect
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}
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btnSelect.isHidden = !showSelBtn
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btnSelect.isUserInteractionEnabled = showSelBtn
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btnSelect.isSelected = model.isSelected
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if model.isSelected {
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fetchBigImage()
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} else {
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cancelFetchBigImage()
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}
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if let ei = model.editImage {
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imageView.image = ei
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} else {
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fetchSmallImage()
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}
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}
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private func fetchSmallImage() {
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let size: CGSize
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let maxSideLength = bounds.width * 2
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if model.whRatio > 1 {
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let w = maxSideLength * model.whRatio
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size = CGSize(width: w, height: maxSideLength)
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} else {
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let h = maxSideLength / model.whRatio
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size = CGSize(width: maxSideLength, height: h)
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}
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if smallImageRequestID > PHInvalidImageRequestID {
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PHImageManager.default().cancelImageRequest(smallImageRequestID)
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}
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imageIdentifier = model.ident
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imageView.image = nil
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smallImageRequestID = ZLPhotoManager.fetchImage(for: model.asset, size: size, completion: { [weak self] image, isDegraded in
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if self?.imageIdentifier == self?.model.ident {
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self?.imageView.image = image
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}
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if !isDegraded {
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self?.smallImageRequestID = PHInvalidImageRequestID
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}
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})
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}
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private func fetchBigImage() {
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cancelFetchBigImage()
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bigImageReqeustID = ZLPhotoManager.fetchOriginalImageData(for: model.asset, progress: { [weak self] progress, _, _, _ in
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if self?.model.isSelected == true {
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self?.progressView.isHidden = false
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self?.progressView.progress = max(0.1, progress)
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self?.imageView.alpha = 0.5
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if progress >= 1 {
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self?.resetProgressViewStatus()
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}
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} else {
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self?.cancelFetchBigImage()
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}
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}, completion: { [weak self] _, _, _ in
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self?.resetProgressViewStatus()
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})
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}
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private func cancelFetchBigImage() {
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if bigImageReqeustID > PHInvalidImageRequestID {
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PHImageManager.default().cancelImageRequest(bigImageReqeustID)
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}
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resetProgressViewStatus()
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}
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private func resetProgressViewStatus() {
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progressView.isHidden = true
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imageView.alpha = 1
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}
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}
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