1686 lines
65 KiB
Swift
1686 lines
65 KiB
Swift
//
|
||
// ZLThumbnailViewController.swift
|
||
// ZLPhotoBrowser
|
||
//
|
||
// Created by long on 2020/8/19.
|
||
//
|
||
// Copyright (c) 2020 Long Zhang <495181165@qq.com>
|
||
//
|
||
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
// of this software and associated documentation files (the "Software"), to deal
|
||
// in the Software without restriction, including without limitation the rights
|
||
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
// copies of the Software, and to permit persons to whom the Software is
|
||
// furnished to do so, subject to the following conditions:
|
||
//
|
||
// The above copyright notice and this permission notice shall be included in
|
||
// all copies or substantial portions of the Software.
|
||
//
|
||
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
// THE SOFTWARE.
|
||
|
||
import UIKit
|
||
import Photos
|
||
|
||
extension ZLThumbnailViewController {
|
||
private enum SlideSelectType {
|
||
case none
|
||
case select
|
||
case cancel
|
||
}
|
||
|
||
private enum AutoScrollDirection {
|
||
case none
|
||
case top
|
||
case bottom
|
||
}
|
||
}
|
||
|
||
class ZLThumbnailViewController: UIViewController {
|
||
private var albumList: ZLAlbumListModel
|
||
|
||
private var externalNavView: ZLExternalAlbumListNavView?
|
||
|
||
private var embedNavView: ZLEmbedAlbumListNavView?
|
||
|
||
private var embedAlbumListView: ZLEmbedAlbumListView?
|
||
|
||
private lazy var bottomView: UIView = {
|
||
let view = UIView()
|
||
view.backgroundColor = .zl.bottomToolViewBgColor
|
||
return view
|
||
}()
|
||
|
||
private var bottomBlurView: UIVisualEffectView?
|
||
|
||
private var limitAuthTipsView: ZLLimitedAuthorityTipsView?
|
||
|
||
private lazy var previewBtn: UIButton = {
|
||
let btn = createBtn(localLanguageTextValue(.preview), #selector(previewBtnClick))
|
||
btn.titleLabel?.lineBreakMode = .byCharWrapping
|
||
btn.titleLabel?.numberOfLines = 2
|
||
btn.contentHorizontalAlignment = .left
|
||
btn.isHidden = !ZLPhotoConfiguration.default().showPreviewButtonInAlbum
|
||
return btn
|
||
}()
|
||
|
||
private lazy var originalBtn: UIButton = {
|
||
let btn = createBtn(localLanguageTextValue(.originalPhoto), #selector(originalPhotoClick))
|
||
btn.titleLabel?.lineBreakMode = .byCharWrapping
|
||
btn.titleLabel?.numberOfLines = 2
|
||
btn.contentHorizontalAlignment = .left
|
||
btn.setImage(.zl.getImage("zl_btn_original_circle"), for: .normal)
|
||
btn.setImage(.zl.getImage("zl_btn_original_selected"), for: .selected)
|
||
btn.setImage(.zl.getImage("zl_btn_original_selected"), for: [.selected, .highlighted])
|
||
btn.adjustsImageWhenHighlighted = false
|
||
if isRTL() {
|
||
btn.titleEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 5)
|
||
} else {
|
||
btn.titleEdgeInsets = UIEdgeInsets(top: 0, left: 5, bottom: 0, right: 0)
|
||
}
|
||
btn.isHidden = !(ZLPhotoConfiguration.default().allowSelectOriginal && ZLPhotoConfiguration.default().allowSelectImage)
|
||
btn.isSelected = (navigationController as? ZLImageNavController)?.isSelectedOriginal ?? false
|
||
return btn
|
||
}()
|
||
|
||
private lazy var doneBtn: UIButton = {
|
||
let btn = createBtn(localLanguageTextValue(.done), #selector(doneBtnClick), true)
|
||
btn.layer.masksToBounds = true
|
||
btn.layer.cornerRadius = ZLLayout.bottomToolBtnCornerRadius
|
||
return btn
|
||
}()
|
||
|
||
/// 所有滑动经过的indexPath
|
||
private lazy var arrSlideIndexPaths: [IndexPath] = []
|
||
|
||
/// 所有滑动经过的indexPath的初始选择状态
|
||
private lazy var dicOriSelectStatus: [IndexPath: Bool] = [:]
|
||
|
||
private var isLayoutOK = false
|
||
|
||
/// 设备旋转前第一个可视indexPath
|
||
private var firstVisibleIndexPathBeforeRotation: IndexPath?
|
||
|
||
/// 是否触发了横竖屏切换
|
||
private var isSwitchOrientation = false
|
||
|
||
/// 是否开始出发滑动选择
|
||
private var beginPanSelect = false
|
||
|
||
/// 滑动选择 或 取消
|
||
/// 当初始滑动的cell处于未选择状态,则开始选择,反之,则开始取消选择
|
||
private var panSelectType: ZLThumbnailViewController.SlideSelectType = .none
|
||
|
||
/// 开始滑动的indexPath
|
||
private var beginSlideIndexPath: IndexPath?
|
||
|
||
/// 最后滑动经过的index,开始的indexPath不计入
|
||
/// 优化拖动手势计算,避免单个cell中冗余计算多次
|
||
private var lastSlideIndex: Int?
|
||
|
||
/// 预览所选择图片,手势返回时候不调用scrollToIndex
|
||
private var isPreviewPush = false
|
||
|
||
/// 拍照后置为true,需要刷新相册列表
|
||
private var hasTakeANewAsset = false
|
||
|
||
private var slideCalculateQueue = DispatchQueue(label: "com.ZLhotoBrowser.slide")
|
||
|
||
private var autoScrollTimer: CADisplayLink?
|
||
|
||
private var lastPanUpdateTime = CACurrentMediaTime()
|
||
|
||
private let showLimitAuthTipsView: Bool = {
|
||
if #available(iOS 14.0, *), PHPhotoLibrary.authorizationStatus(for: .readWrite) == .limited, ZLPhotoConfiguration.default().showEnterSettingTips {
|
||
return true
|
||
} else {
|
||
return false
|
||
}
|
||
}()
|
||
|
||
private var autoScrollInfo: (direction: AutoScrollDirection, speed: CGFloat) = (.none, 0)
|
||
|
||
/// 照相按钮+添加图片按钮的数量
|
||
/// the count of addPhotoButton & cameraButton
|
||
private var offset: Int {
|
||
if #available(iOS 14, *) {
|
||
return showAddPhotoCell.zl.intValue + showCameraCell.zl.intValue
|
||
} else {
|
||
return showCameraCell.zl.intValue
|
||
}
|
||
}
|
||
|
||
private lazy var panGes: UIPanGestureRecognizer = {
|
||
let pan = UIPanGestureRecognizer(target: self, action: #selector(slideSelectAction(_:)))
|
||
pan.delegate = self
|
||
return pan
|
||
}()
|
||
|
||
lazy var collectionView: UICollectionView = {
|
||
let layout = ZLCollectionViewFlowLayout()
|
||
layout.sectionInset = UIEdgeInsets(top: 3, left: 0, bottom: 3, right: 0)
|
||
|
||
let view = UICollectionView(frame: .zero, collectionViewLayout: layout)
|
||
view.backgroundColor = .zl.thumbnailBgColor
|
||
view.dataSource = self
|
||
view.delegate = self
|
||
view.alwaysBounceVertical = true
|
||
if #available(iOS 11.0, *) {
|
||
view.contentInsetAdjustmentBehavior = .always
|
||
}
|
||
ZLCameraCell.zl.register(view)
|
||
ZLThumbnailPhotoCell.zl.register(view)
|
||
ZLAddPhotoCell.zl.register(view)
|
||
|
||
return view
|
||
}()
|
||
|
||
var arrDataSources: [ZLPhotoModel] = []
|
||
|
||
var showCameraCell: Bool {
|
||
if ZLPhotoConfiguration.default().allowTakePhotoInLibrary, albumList.isCameraRoll {
|
||
return true
|
||
}
|
||
return false
|
||
}
|
||
|
||
@available(iOS 14, *)
|
||
var showAddPhotoCell: Bool {
|
||
PHPhotoLibrary.authorizationStatus(for: .readWrite) == .limited && ZLPhotoConfiguration.default().showAddPhotoButton && albumList.isCameraRoll
|
||
}
|
||
|
||
override var prefersStatusBarHidden: Bool {
|
||
return false
|
||
}
|
||
|
||
override var preferredStatusBarStyle: UIStatusBarStyle {
|
||
return ZLPhotoUIConfiguration.default().statusBarStyle
|
||
}
|
||
|
||
deinit {
|
||
zl_debugPrint("ZLThumbnailViewController deinit")
|
||
cleanTimer()
|
||
}
|
||
|
||
init(albumList: ZLAlbumListModel) {
|
||
self.albumList = albumList
|
||
super.init(nibName: nil, bundle: nil)
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
override func viewDidLoad() {
|
||
super.viewDidLoad()
|
||
|
||
setupUI()
|
||
|
||
if ZLPhotoConfiguration.default().allowSlideSelect {
|
||
view.addGestureRecognizer(panGes)
|
||
}
|
||
|
||
NotificationCenter.default.addObserver(self, selector: #selector(deviceOrientationChanged(_:)), name: UIApplication.willChangeStatusBarOrientationNotification, object: nil)
|
||
|
||
loadPhotos()
|
||
|
||
// Register for the album change notification when the status is limited, because the photoLibraryDidChange method will be repeated multiple times each time the album changes, causing the interface to refresh multiple times. So the album changes are not monitored in other authority.
|
||
if #available(iOS 14.0, *), PHPhotoLibrary.authorizationStatus(for: .readWrite) == .limited {
|
||
PHPhotoLibrary.shared().register(self)
|
||
}
|
||
}
|
||
|
||
override func viewWillAppear(_ animated: Bool) {
|
||
super.viewWillAppear(animated)
|
||
navigationController?.navigationBar.isHidden = true
|
||
collectionView.reloadItems(at: collectionView.indexPathsForVisibleItems)
|
||
resetBottomToolBtnStatus()
|
||
}
|
||
|
||
override func viewDidAppear(_ animated: Bool) {
|
||
super.viewDidAppear(animated)
|
||
isLayoutOK = true
|
||
isPreviewPush = false
|
||
}
|
||
|
||
override func viewDidLayoutSubviews() {
|
||
super.viewDidLayoutSubviews()
|
||
|
||
let navViewNormalH: CGFloat = 44
|
||
|
||
var insets = UIEdgeInsets(top: 20, left: 0, bottom: 0, right: 0)
|
||
var collectionViewInsetTop: CGFloat = 20
|
||
if #available(iOS 11.0, *) {
|
||
insets = view.safeAreaInsets
|
||
collectionViewInsetTop = navViewNormalH
|
||
} else {
|
||
collectionViewInsetTop += navViewNormalH
|
||
}
|
||
|
||
let navViewFrame = CGRect(x: 0, y: 0, width: view.frame.width, height: insets.top + navViewNormalH)
|
||
externalNavView?.frame = navViewFrame
|
||
embedNavView?.frame = navViewFrame
|
||
|
||
embedAlbumListView?.frame = CGRect(x: 0, y: navViewFrame.maxY, width: view.bounds.width, height: view.bounds.height - navViewFrame.maxY)
|
||
|
||
let showBottomToolBtns = shouldShowBottomToolBar()
|
||
|
||
let bottomViewH: CGFloat
|
||
if showLimitAuthTipsView, showBottomToolBtns {
|
||
bottomViewH = ZLLayout.bottomToolViewH + ZLLimitedAuthorityTipsView.height
|
||
} else if showLimitAuthTipsView {
|
||
bottomViewH = ZLLimitedAuthorityTipsView.height
|
||
} else if showBottomToolBtns {
|
||
bottomViewH = ZLLayout.bottomToolViewH
|
||
} else {
|
||
bottomViewH = 0
|
||
}
|
||
|
||
let totalWidth = view.frame.width - insets.left - insets.right
|
||
collectionView.frame = CGRect(x: insets.left, y: 0, width: totalWidth, height: view.frame.height)
|
||
collectionView.contentInset = UIEdgeInsets(top: collectionViewInsetTop, left: 0, bottom: bottomViewH, right: 0)
|
||
collectionView.scrollIndicatorInsets = UIEdgeInsets(top: insets.top, left: 0, bottom: bottomViewH, right: 0)
|
||
|
||
if !isLayoutOK {
|
||
scrollToBottom()
|
||
} else if isSwitchOrientation {
|
||
isSwitchOrientation = false
|
||
collectionView.performBatchUpdates(nil) { _ in
|
||
if let firstVisibleIndexPathBeforeRotation = self.firstVisibleIndexPathBeforeRotation {
|
||
self.collectionView.scrollToItem(at: firstVisibleIndexPathBeforeRotation, at: .top, animated: false)
|
||
}
|
||
}
|
||
}
|
||
|
||
guard showBottomToolBtns || showLimitAuthTipsView else { return }
|
||
|
||
let btnH = ZLLayout.bottomToolBtnH
|
||
|
||
bottomView.frame = CGRect(x: 0, y: view.frame.height - insets.bottom - bottomViewH, width: view.bounds.width, height: bottomViewH + insets.bottom)
|
||
bottomBlurView?.frame = bottomView.bounds
|
||
|
||
if showLimitAuthTipsView {
|
||
limitAuthTipsView?.frame = CGRect(x: 0, y: 0, width: bottomView.bounds.width, height: ZLLimitedAuthorityTipsView.height)
|
||
}
|
||
|
||
if showBottomToolBtns {
|
||
let btnMaxWidth = (bottomView.bounds.width - 30) / 3
|
||
|
||
let btnY = showLimitAuthTipsView ? ZLLimitedAuthorityTipsView.height + ZLLayout.bottomToolBtnY : ZLLayout.bottomToolBtnY
|
||
let previewTitle = localLanguageTextValue(.preview)
|
||
let previewBtnW = previewTitle.zl.boundingRect(font: ZLLayout.bottomToolTitleFont, limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 30)).width
|
||
previewBtn.frame = CGRect(x: 15, y: btnY, width: min(btnMaxWidth, previewBtnW), height: btnH)
|
||
|
||
let originalTitle = localLanguageTextValue(.originalPhoto)
|
||
let originBtnW = originalTitle.zl.boundingRect(
|
||
font: ZLLayout.bottomToolTitleFont,
|
||
limitSize: CGSize(
|
||
width: CGFloat.greatestFiniteMagnitude,
|
||
height: 30
|
||
)
|
||
).width + (originalBtn.currentImage?.size.width ?? 19) + 12
|
||
let originBtnMaxW = min(btnMaxWidth, originBtnW)
|
||
originalBtn.frame = CGRect(x: (bottomView.bounds.width - originBtnMaxW) / 2 - 5, y: btnY, width: originBtnMaxW, height: btnH)
|
||
|
||
refreshDoneBtnFrame()
|
||
}
|
||
}
|
||
|
||
override open func viewWillTransition(to size: CGSize, with coordinator: UIViewControllerTransitionCoordinator) {
|
||
super.viewWillTransition(to: size, with: coordinator)
|
||
collectionView.collectionViewLayout.invalidateLayout()
|
||
}
|
||
|
||
private func setupUI() {
|
||
automaticallyAdjustsScrollViewInsets = true
|
||
edgesForExtendedLayout = .all
|
||
view.backgroundColor = .zl.thumbnailBgColor
|
||
|
||
view.addSubview(collectionView)
|
||
view.addSubview(bottomView)
|
||
|
||
if let effect = ZLPhotoUIConfiguration.default().bottomViewBlurEffectOfAlbumList {
|
||
bottomBlurView = UIVisualEffectView(effect: effect)
|
||
bottomView.addSubview(bottomBlurView!)
|
||
}
|
||
|
||
if showLimitAuthTipsView {
|
||
limitAuthTipsView = ZLLimitedAuthorityTipsView(frame: CGRect(x: 0, y: 0, width: view.bounds.width, height: ZLLimitedAuthorityTipsView.height))
|
||
bottomView.addSubview(limitAuthTipsView!)
|
||
}
|
||
|
||
bottomView.addSubview(previewBtn)
|
||
bottomView.addSubview(originalBtn)
|
||
bottomView.addSubview(doneBtn)
|
||
|
||
setupNavView()
|
||
}
|
||
|
||
private func setupNavView() {
|
||
if ZLPhotoUIConfiguration.default().style == .embedAlbumList {
|
||
embedNavView = ZLEmbedAlbumListNavView(title: albumList.title)
|
||
|
||
embedNavView?.selectAlbumBlock = { [weak self] in
|
||
if self?.embedAlbumListView?.isHidden == true {
|
||
self?.embedAlbumListView?.show(reloadAlbumList: self?.hasTakeANewAsset ?? false)
|
||
self?.hasTakeANewAsset = false
|
||
} else {
|
||
self?.embedAlbumListView?.hide()
|
||
}
|
||
}
|
||
|
||
embedNavView?.cancelBlock = { [weak self] in
|
||
let nav = self?.navigationController as? ZLImageNavController
|
||
nav?.dismiss(animated: true, completion: {
|
||
nav?.cancelBlock?()
|
||
})
|
||
}
|
||
|
||
view.addSubview(embedNavView!)
|
||
|
||
embedAlbumListView = ZLEmbedAlbumListView(selectedAlbum: albumList)
|
||
embedAlbumListView?.isHidden = true
|
||
|
||
embedAlbumListView?.selectAlbumBlock = { [weak self] album in
|
||
guard self?.albumList != album else {
|
||
return
|
||
}
|
||
self?.albumList = album
|
||
self?.embedNavView?.title = album.title
|
||
self?.loadPhotos()
|
||
self?.embedNavView?.reset()
|
||
}
|
||
|
||
embedAlbumListView?.hideBlock = { [weak self] in
|
||
self?.embedNavView?.reset()
|
||
}
|
||
|
||
view.addSubview(embedAlbumListView!)
|
||
} else if ZLPhotoUIConfiguration.default().style == .externalAlbumList {
|
||
externalNavView = ZLExternalAlbumListNavView(title: albumList.title)
|
||
|
||
externalNavView?.backBlock = { [weak self] in
|
||
self?.navigationController?.popViewController(animated: true)
|
||
}
|
||
|
||
externalNavView?.cancelBlock = { [weak self] in
|
||
let nav = self?.navigationController as? ZLImageNavController
|
||
nav?.cancelBlock?()
|
||
nav?.dismiss(animated: true, completion: nil)
|
||
}
|
||
|
||
view.addSubview(externalNavView!)
|
||
}
|
||
}
|
||
|
||
private func createBtn(_ title: String, _ action: Selector, _ isDone: Bool = false) -> UIButton {
|
||
let btn = UIButton(type: .custom)
|
||
btn.titleLabel?.font = ZLLayout.bottomToolTitleFont
|
||
btn.setTitle(title, for: .normal)
|
||
btn.setTitleColor(
|
||
isDone ? .zl.bottomToolViewDoneBtnNormalTitleColor : .zl.bottomToolViewBtnNormalTitleColor,
|
||
for: .normal
|
||
)
|
||
btn.setTitleColor(
|
||
isDone ? .zl.bottomToolViewDoneBtnDisableTitleColor : .zl.bottomToolViewBtnDisableTitleColor,
|
||
for: .disabled
|
||
)
|
||
btn.addTarget(self, action: action, for: .touchUpInside)
|
||
return btn
|
||
}
|
||
|
||
private func loadPhotos() {
|
||
guard let nav = navigationController as? ZLImageNavController else {
|
||
return
|
||
}
|
||
|
||
if albumList.models.isEmpty {
|
||
let hud = ZLProgressHUD.show(in: view)
|
||
DispatchQueue.global().async {
|
||
self.albumList.refetchPhotos()
|
||
ZLMainAsync {
|
||
self.arrDataSources.removeAll()
|
||
self.arrDataSources.append(contentsOf: self.albumList.models)
|
||
markSelected(source: &self.arrDataSources, selected: &nav.arrSelectedModels)
|
||
hud.hide()
|
||
self.collectionView.reloadData()
|
||
self.scrollToBottom()
|
||
}
|
||
}
|
||
} else {
|
||
arrDataSources.removeAll()
|
||
arrDataSources.append(contentsOf: albumList.models)
|
||
markSelected(source: &arrDataSources, selected: &nav.arrSelectedModels)
|
||
collectionView.reloadData()
|
||
scrollToBottom()
|
||
}
|
||
}
|
||
|
||
private func shouldShowBottomToolBar() -> Bool {
|
||
let config = ZLPhotoConfiguration.default()
|
||
let condition1 = config.editAfterSelectThumbnailImage &&
|
||
config.maxSelectCount == 1 &&
|
||
(config.allowEditImage || config.allowEditVideo)
|
||
let condition2 = config.allowPreviewPhotos && config.maxSelectCount == 1 && !config.showSelectBtnWhenSingleSelect
|
||
let condition3 = !config.allowPreviewPhotos && config.maxSelectCount == 1
|
||
if condition1 || condition2 || condition3 {
|
||
return false
|
||
}
|
||
return true
|
||
}
|
||
|
||
// MARK: btn actions
|
||
|
||
@objc private func previewBtnClick() {
|
||
guard let nav = navigationController as? ZLImageNavController else {
|
||
zlLoggerInDebug("Navigation controller is null")
|
||
return
|
||
}
|
||
let vc = ZLPhotoPreviewController(photos: nav.arrSelectedModels, index: 0)
|
||
show(vc, sender: nil)
|
||
}
|
||
|
||
@objc private func originalPhotoClick() {
|
||
originalBtn.isSelected.toggle()
|
||
(navigationController as? ZLImageNavController)?.isSelectedOriginal = originalBtn.isSelected
|
||
}
|
||
|
||
@objc private func doneBtnClick() {
|
||
let nav = navigationController as? ZLImageNavController
|
||
if let block = ZLPhotoConfiguration.default().operateBeforeDoneAction {
|
||
block(self) { [weak nav] in
|
||
nav?.selectImageBlock?()
|
||
}
|
||
} else {
|
||
nav?.selectImageBlock?()
|
||
}
|
||
}
|
||
|
||
@objc private func deviceOrientationChanged(_ notify: Notification) {
|
||
let pInView = collectionView.convert(CGPoint(x: 100, y: 100), from: view)
|
||
firstVisibleIndexPathBeforeRotation = collectionView.indexPathForItem(at: pInView)
|
||
isSwitchOrientation = true
|
||
}
|
||
|
||
@objc private func slideSelectAction(_ pan: UIPanGestureRecognizer) {
|
||
let point = pan.location(in: collectionView)
|
||
guard let indexPath = collectionView.indexPathForItem(at: point) else {
|
||
return
|
||
}
|
||
let config = ZLPhotoConfiguration.default()
|
||
let nav = navigationController as! ZLImageNavController
|
||
|
||
let cell = collectionView.cellForItem(at: indexPath) as? ZLThumbnailPhotoCell
|
||
let asc = config.sortAscending
|
||
|
||
if pan.state == .began {
|
||
beginPanSelect = cell != nil
|
||
|
||
if beginPanSelect {
|
||
let index = asc ? indexPath.row : indexPath.row - offset
|
||
|
||
let m = arrDataSources[index]
|
||
panSelectType = m.isSelected ? .cancel : .select
|
||
beginSlideIndexPath = indexPath
|
||
|
||
if !m.isSelected {
|
||
if nav.arrSelectedModels.count >= config.maxSelectCount {
|
||
panSelectType = .none
|
||
return
|
||
}
|
||
|
||
if !(cell?.enableSelect ?? true) || !canAddModel(m, currentSelectCount: nav.arrSelectedModels.count, sender: self) {
|
||
panSelectType = .none
|
||
return
|
||
}
|
||
|
||
if shouldDirectEdit(m) {
|
||
panSelectType = .none
|
||
return
|
||
} else {
|
||
m.isSelected = true
|
||
nav.arrSelectedModels.append(m)
|
||
config.didSelectAsset?(m.asset)
|
||
}
|
||
} else if m.isSelected {
|
||
m.isSelected = false
|
||
nav.arrSelectedModels.removeAll { $0 == m }
|
||
config.didDeselectAsset?(m.asset)
|
||
}
|
||
|
||
cell?.btnSelect.isSelected = m.isSelected
|
||
refreshCellIndexAndMaskView()
|
||
resetBottomToolBtnStatus()
|
||
lastSlideIndex = indexPath.row
|
||
}
|
||
} else if pan.state == .changed {
|
||
if !beginPanSelect || indexPath.row == lastSlideIndex || panSelectType == .none || cell == nil {
|
||
return
|
||
}
|
||
|
||
autoScrollWhenSlideSelect(pan)
|
||
|
||
guard let beginIndexPath = beginSlideIndexPath else {
|
||
return
|
||
}
|
||
lastPanUpdateTime = CACurrentMediaTime()
|
||
|
||
let visiblePaths = collectionView.indexPathsForVisibleItems
|
||
slideCalculateQueue.async {
|
||
self.lastSlideIndex = indexPath.row
|
||
let minIndex = min(indexPath.row, beginIndexPath.row)
|
||
let maxIndex = max(indexPath.row, beginIndexPath.row)
|
||
let minIsBegin = minIndex == beginIndexPath.row
|
||
|
||
var i = beginIndexPath.row
|
||
while minIsBegin ? i <= maxIndex : i >= minIndex {
|
||
if i != beginIndexPath.row {
|
||
let p = IndexPath(row: i, section: 0)
|
||
if !self.arrSlideIndexPaths.contains(p) {
|
||
self.arrSlideIndexPaths.append(p)
|
||
let index = asc ? i : i - self.offset
|
||
let m = self.arrDataSources[index]
|
||
self.dicOriSelectStatus[p] = m.isSelected
|
||
}
|
||
}
|
||
i += (minIsBegin ? 1 : -1)
|
||
}
|
||
|
||
var selectedArrHasChange = false
|
||
|
||
for path in self.arrSlideIndexPaths {
|
||
if !visiblePaths.contains(path) {
|
||
continue
|
||
}
|
||
let index = asc ? path.row : path.row - self.offset
|
||
// 是否在最初和现在的间隔区间内
|
||
let inSection = path.row >= minIndex && path.row <= maxIndex
|
||
let m = self.arrDataSources[index]
|
||
|
||
if inSection {
|
||
if self.panSelectType == .select {
|
||
if !m.isSelected,
|
||
canAddModel(m, currentSelectCount: nav.arrSelectedModels.count, sender: self, showAlert: false) {
|
||
m.isSelected = true
|
||
}
|
||
} else if self.panSelectType == .cancel {
|
||
m.isSelected = false
|
||
}
|
||
} else {
|
||
// 未在区间内的model还原为初始选择状态
|
||
m.isSelected = self.dicOriSelectStatus[path] ?? false
|
||
}
|
||
|
||
if !m.isSelected {
|
||
if let index = nav.arrSelectedModels.firstIndex(where: { $0 == m }) {
|
||
nav.arrSelectedModels.remove(at: index)
|
||
selectedArrHasChange = true
|
||
|
||
ZLMainAsync {
|
||
config.didDeselectAsset?(m.asset)
|
||
}
|
||
}
|
||
} else {
|
||
if !nav.arrSelectedModels.contains(where: { $0 == m }) {
|
||
nav.arrSelectedModels.append(m)
|
||
selectedArrHasChange = true
|
||
|
||
ZLMainAsync {
|
||
config.didSelectAsset?(m.asset)
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
ZLMainAsync {
|
||
let c = self.collectionView.cellForItem(at: path) as? ZLThumbnailPhotoCell
|
||
c?.btnSelect.isSelected = m.isSelected
|
||
}
|
||
}
|
||
|
||
if selectedArrHasChange {
|
||
ZLMainAsync {
|
||
self.refreshCellIndexAndMaskView()
|
||
self.resetBottomToolBtnStatus()
|
||
}
|
||
}
|
||
}
|
||
} else if pan.state == .ended || pan.state == .cancelled {
|
||
stopAutoScroll()
|
||
beginPanSelect = false
|
||
panSelectType = .none
|
||
arrSlideIndexPaths.removeAll()
|
||
dicOriSelectStatus.removeAll()
|
||
resetBottomToolBtnStatus()
|
||
}
|
||
}
|
||
|
||
private func autoScrollWhenSlideSelect(_ pan: UIPanGestureRecognizer) {
|
||
guard ZLPhotoConfiguration.default().autoScrollWhenSlideSelectIsActive else {
|
||
return
|
||
}
|
||
let arrSel = (navigationController as? ZLImageNavController)?.arrSelectedModels ?? []
|
||
guard arrSel.count < ZLPhotoConfiguration.default().maxSelectCount else {
|
||
// Stop auto scroll when reach the max select count.
|
||
stopAutoScroll()
|
||
return
|
||
}
|
||
|
||
let top = ((embedNavView?.frame.height ?? externalNavView?.frame.height) ?? 44) + 30
|
||
let bottom = bottomView.frame.minY - 30
|
||
|
||
let point = pan.location(in: view)
|
||
|
||
var diff: CGFloat = 0
|
||
var direction: AutoScrollDirection = .none
|
||
if point.y < top {
|
||
diff = top - point.y
|
||
direction = .top
|
||
} else if point.y > bottom {
|
||
diff = point.y - bottom
|
||
direction = .bottom
|
||
} else {
|
||
stopAutoScroll()
|
||
return
|
||
}
|
||
|
||
guard diff > 0 else { return }
|
||
|
||
let s = min(diff, 60) / 60 * ZLPhotoConfiguration.default().autoScrollMaxSpeed
|
||
|
||
autoScrollInfo = (direction, s)
|
||
|
||
if autoScrollTimer == nil {
|
||
cleanTimer()
|
||
autoScrollTimer = CADisplayLink(target: ZLWeakProxy(target: self), selector: #selector(autoScrollAction))
|
||
autoScrollTimer?.add(to: RunLoop.current, forMode: .common)
|
||
}
|
||
}
|
||
|
||
private func cleanTimer() {
|
||
autoScrollTimer?.remove(from: RunLoop.current, forMode: .common)
|
||
autoScrollTimer?.invalidate()
|
||
autoScrollTimer = nil
|
||
}
|
||
|
||
private func stopAutoScroll() {
|
||
autoScrollInfo = (.none, 0)
|
||
cleanTimer()
|
||
}
|
||
|
||
@objc private func autoScrollAction() {
|
||
guard autoScrollInfo.direction != .none, panGes.state != .possible else {
|
||
stopAutoScroll()
|
||
return
|
||
}
|
||
let duration = CGFloat(autoScrollTimer?.duration ?? 1 / 60)
|
||
if CACurrentMediaTime() - lastPanUpdateTime > 0.2 {
|
||
// Finger may be not moved in slide selection mode
|
||
slideSelectAction(panGes)
|
||
}
|
||
let distance = autoScrollInfo.speed * duration
|
||
let offset = collectionView.contentOffset
|
||
let inset = collectionView.contentInset
|
||
if autoScrollInfo.direction == .top, offset.y + inset.top > distance {
|
||
collectionView.contentOffset = CGPoint(x: 0, y: offset.y - distance)
|
||
} else if autoScrollInfo.direction == .bottom, offset.y + collectionView.bounds.height + distance - inset.bottom < collectionView.contentSize.height {
|
||
collectionView.contentOffset = CGPoint(x: 0, y: offset.y + distance)
|
||
}
|
||
}
|
||
|
||
private func resetBottomToolBtnStatus() {
|
||
guard shouldShowBottomToolBar() else { return }
|
||
guard let nav = navigationController as? ZLImageNavController else {
|
||
zlLoggerInDebug("Navigation controller is null")
|
||
return
|
||
}
|
||
var doneTitle = localLanguageTextValue(.done)
|
||
if ZLPhotoConfiguration.default().showSelectCountOnDoneBtn,
|
||
!nav.arrSelectedModels.isEmpty {
|
||
doneTitle += "(" + String(nav.arrSelectedModels.count) + ")"
|
||
}
|
||
if !nav.arrSelectedModels.isEmpty {
|
||
previewBtn.isEnabled = true
|
||
doneBtn.isEnabled = true
|
||
doneBtn.setTitle(doneTitle, for: .normal)
|
||
doneBtn.backgroundColor = .zl.bottomToolViewBtnNormalBgColor
|
||
} else {
|
||
previewBtn.isEnabled = false
|
||
doneBtn.isEnabled = false
|
||
doneBtn.setTitle(doneTitle, for: .normal)
|
||
doneBtn.backgroundColor = .zl.bottomToolViewBtnDisableBgColor
|
||
}
|
||
originalBtn.isSelected = nav.isSelectedOriginal
|
||
refreshDoneBtnFrame()
|
||
}
|
||
|
||
private func refreshDoneBtnFrame() {
|
||
let selCount = (navigationController as? ZLImageNavController)?.arrSelectedModels.count ?? 0
|
||
var doneTitle = localLanguageTextValue(.done)
|
||
if ZLPhotoConfiguration.default().showSelectCountOnDoneBtn, selCount > 0 {
|
||
doneTitle += "(" + String(selCount) + ")"
|
||
}
|
||
let doneBtnW = doneTitle.zl.boundingRect(font: ZLLayout.bottomToolTitleFont, limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 30)).width + 20
|
||
|
||
let btnY = showLimitAuthTipsView ? ZLLimitedAuthorityTipsView.height + ZLLayout.bottomToolBtnY : ZLLayout.bottomToolBtnY
|
||
doneBtn.frame = CGRect(x: bottomView.bounds.width - doneBtnW - 15, y: btnY, width: doneBtnW, height: ZLLayout.bottomToolBtnH)
|
||
}
|
||
|
||
private func scrollToBottom() {
|
||
guard ZLPhotoConfiguration.default().sortAscending, !arrDataSources.isEmpty else {
|
||
return
|
||
}
|
||
let index = arrDataSources.count - 1 + offset
|
||
collectionView.scrollToItem(at: IndexPath(row: index, section: 0), at: .centeredVertically, animated: false)
|
||
}
|
||
|
||
private func showCamera() {
|
||
let config = ZLPhotoConfiguration.default()
|
||
if config.useCustomCamera {
|
||
let camera = ZLCustomCamera()
|
||
camera.takeDoneBlock = { [weak self] image, videoUrl in
|
||
self?.save(image: image, videoUrl: videoUrl)
|
||
}
|
||
showDetailViewController(camera, sender: nil)
|
||
} else {
|
||
if !UIImagePickerController.isSourceTypeAvailable(.camera) {
|
||
showAlertView(localLanguageTextValue(.cameraUnavailable), self)
|
||
} else if ZLPhotoManager.hasCameraAuthority() {
|
||
let picker = UIImagePickerController()
|
||
picker.delegate = self
|
||
picker.allowsEditing = false
|
||
picker.videoQuality = .typeHigh
|
||
picker.sourceType = .camera
|
||
picker.cameraDevice = config.cameraConfiguration.devicePosition.cameraDevice
|
||
if config.cameraConfiguration.showFlashSwitch {
|
||
picker.cameraFlashMode = .auto
|
||
} else {
|
||
picker.cameraFlashMode = .off
|
||
}
|
||
var mediaTypes: [String] = []
|
||
if config.cameraConfiguration.allowTakePhoto {
|
||
mediaTypes.append("public.image")
|
||
}
|
||
if config.cameraConfiguration.allowRecordVideo {
|
||
mediaTypes.append("public.movie")
|
||
}
|
||
picker.mediaTypes = mediaTypes
|
||
picker.videoMaximumDuration = TimeInterval(config.cameraConfiguration.maxRecordDuration)
|
||
showDetailViewController(picker, sender: nil)
|
||
} else {
|
||
showAlertView(String(format: localLanguageTextValue(.noCameraAuthority), getAppName()), self)
|
||
}
|
||
}
|
||
}
|
||
|
||
private func save(image: UIImage?, videoUrl: URL?) {
|
||
if let image = image {
|
||
let hud = ZLProgressHUD.show()
|
||
ZLPhotoManager.saveImageToAlbum(image: image) { [weak self] suc, asset in
|
||
hud.hide()
|
||
if suc, let at = asset {
|
||
let model = ZLPhotoModel(asset: at)
|
||
self?.handleDataArray(newModel: model)
|
||
} else {
|
||
showAlertView(localLanguageTextValue(.saveImageError), self)
|
||
}
|
||
}
|
||
} else if let videoUrl = videoUrl {
|
||
let hud = ZLProgressHUD.show()
|
||
ZLPhotoManager.saveVideoToAlbum(url: videoUrl) { [weak self] suc, asset in
|
||
hud.hide()
|
||
if suc, let at = asset {
|
||
let model = ZLPhotoModel(asset: at)
|
||
self?.handleDataArray(newModel: model)
|
||
} else {
|
||
showAlertView(localLanguageTextValue(.saveVideoError), self)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
private func handleDataArray(newModel: ZLPhotoModel) {
|
||
hasTakeANewAsset = true
|
||
albumList.refreshResult()
|
||
|
||
let nav = navigationController as? ZLImageNavController
|
||
let config = ZLPhotoConfiguration.default()
|
||
var insertIndex = 0
|
||
|
||
if config.sortAscending {
|
||
insertIndex = arrDataSources.count
|
||
arrDataSources.append(newModel)
|
||
} else {
|
||
// 保存拍照的照片或者视频,说明肯定有camera cell
|
||
insertIndex = offset
|
||
arrDataSources.insert(newModel, at: 0)
|
||
}
|
||
|
||
var canSelect = true
|
||
// If mixed selection is not allowed, and the newModel type is video, it will not be selected.
|
||
if !config.allowMixSelect, newModel.type == .video {
|
||
canSelect = false
|
||
}
|
||
// 单选模式,且不显示选择按钮时,不允许选择
|
||
if config.maxSelectCount == 1, !config.showSelectBtnWhenSingleSelect {
|
||
canSelect = false
|
||
}
|
||
if canSelect, canAddModel(newModel, currentSelectCount: nav?.arrSelectedModels.count ?? 0, sender: self, showAlert: false) {
|
||
if !shouldDirectEdit(newModel) {
|
||
newModel.isSelected = true
|
||
nav?.arrSelectedModels.append(newModel)
|
||
config.didSelectAsset?(newModel.asset)
|
||
|
||
if config.callbackDirectlyAfterTakingPhoto {
|
||
doneBtnClick()
|
||
}
|
||
}
|
||
}
|
||
|
||
let insertIndexPath = IndexPath(row: insertIndex, section: 0)
|
||
collectionView.performBatchUpdates({
|
||
self.collectionView.insertItems(at: [insertIndexPath])
|
||
}) { _ in
|
||
self.collectionView.scrollToItem(at: insertIndexPath, at: .centeredVertically, animated: true)
|
||
self.collectionView.reloadItems(at: self.collectionView.indexPathsForVisibleItems)
|
||
}
|
||
|
||
resetBottomToolBtnStatus()
|
||
}
|
||
|
||
private func showEditImageVC(model: ZLPhotoModel) {
|
||
guard let nav = navigationController as? ZLImageNavController else {
|
||
zlLoggerInDebug("Navigation controller is null")
|
||
return
|
||
}
|
||
|
||
let hud = ZLProgressHUD.show()
|
||
|
||
ZLPhotoManager.fetchImage(for: model.asset, size: model.previewSize) { [weak self, weak nav] image, isDegraded in
|
||
guard !isDegraded else {
|
||
return
|
||
}
|
||
|
||
if let image = image {
|
||
ZLEditImageViewController.showEditImageVC(parentVC: self, image: image, editModel: model.editImageModel) { [weak nav] ei, editImageModel in
|
||
model.isSelected = true
|
||
model.editImage = ei
|
||
model.editImageModel = editImageModel
|
||
nav?.arrSelectedModels.append(model)
|
||
ZLPhotoConfiguration.default().didSelectAsset?(model.asset)
|
||
self?.doneBtnClick()
|
||
}
|
||
} else {
|
||
showAlertView(localLanguageTextValue(.imageLoadFailed), self)
|
||
}
|
||
|
||
hud.hide()
|
||
}
|
||
}
|
||
|
||
private func showEditVideoVC(model: ZLPhotoModel) {
|
||
let nav = navigationController as? ZLImageNavController
|
||
let config = ZLPhotoConfiguration.default()
|
||
|
||
var requestAvAssetID: PHImageRequestID?
|
||
let hud = ZLProgressHUD.show(timeout: config.timeout)
|
||
hud.timeoutBlock = { [weak self] in
|
||
showAlertView(localLanguageTextValue(.timeout), self)
|
||
if let requestAvAssetID = requestAvAssetID {
|
||
PHImageManager.default().cancelImageRequest(requestAvAssetID)
|
||
}
|
||
}
|
||
|
||
func inner_showEditVideoVC(_ avAsset: AVAsset) {
|
||
let vc = ZLEditVideoViewController(avAsset: avAsset)
|
||
vc.editFinishBlock = { [weak self, weak nav] url in
|
||
if let url = url {
|
||
ZLPhotoManager.saveVideoToAlbum(url: url) { [weak self, weak nav] suc, asset in
|
||
if suc, let asset = asset {
|
||
let m = ZLPhotoModel(asset: asset)
|
||
m.isSelected = true
|
||
nav?.arrSelectedModels.append(m)
|
||
config.didSelectAsset?(m.asset)
|
||
|
||
self?.doneBtnClick()
|
||
} else {
|
||
showAlertView(localLanguageTextValue(.saveVideoError), self)
|
||
}
|
||
}
|
||
} else {
|
||
model.isSelected = true
|
||
nav?.arrSelectedModels.append(model)
|
||
config.didSelectAsset?(model.asset)
|
||
|
||
self?.doneBtnClick()
|
||
}
|
||
}
|
||
vc.modalPresentationStyle = .fullScreen
|
||
showDetailViewController(vc, sender: nil)
|
||
}
|
||
|
||
// 提前fetch一下 avasset
|
||
requestAvAssetID = ZLPhotoManager.fetchAVAsset(forVideo: model.asset) { [weak self] avAsset, _ in
|
||
hud.hide()
|
||
if let avAsset = avAsset {
|
||
inner_showEditVideoVC(avAsset)
|
||
} else {
|
||
showAlertView(localLanguageTextValue(.timeout), self)
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: Gesture delegate
|
||
|
||
extension ZLThumbnailViewController: UIGestureRecognizerDelegate {
|
||
func gestureRecognizerShouldBegin(_ gestureRecognizer: UIGestureRecognizer) -> Bool {
|
||
let config = ZLPhotoConfiguration.default()
|
||
if (config.maxSelectCount == 1 && !config.showSelectBtnWhenSingleSelect) || embedAlbumListView?.isHidden == false {
|
||
return false
|
||
}
|
||
|
||
let point = gestureRecognizer.location(in: view)
|
||
let navFrame = (embedNavView ?? externalNavView)?.frame ?? .zero
|
||
if navFrame.contains(point) ||
|
||
bottomView.frame.contains(point) {
|
||
return false
|
||
}
|
||
|
||
return true
|
||
}
|
||
}
|
||
|
||
// MARK: CollectionView Delegate & DataSource
|
||
|
||
extension ZLThumbnailViewController: UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {
|
||
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
|
||
return ZLPhotoUIConfiguration.default().minimumInteritemSpacing
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
|
||
return ZLPhotoUIConfiguration.default().minimumLineSpacing
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
|
||
let uiConfig = ZLPhotoUIConfiguration.default()
|
||
var columnCount: Int
|
||
|
||
if let columnCountBlock = uiConfig.columnCountBlock {
|
||
columnCount = columnCountBlock(collectionView.zl.width)
|
||
} else {
|
||
let defaultCount = uiConfig.columnCount
|
||
columnCount = deviceIsiPad() ? (defaultCount + 2) : defaultCount
|
||
if UIApplication.shared.statusBarOrientation.isLandscape {
|
||
columnCount += 2
|
||
}
|
||
}
|
||
|
||
let totalW = collectionView.bounds.width - CGFloat(columnCount - 1) * uiConfig.minimumInteritemSpacing
|
||
let singleW = totalW / CGFloat(columnCount)
|
||
return CGSize(width: singleW, height: singleW)
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
|
||
return arrDataSources.count + offset
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
|
||
let config = ZLPhotoConfiguration.default()
|
||
let nav = navigationController as? ZLImageNavController
|
||
|
||
if showCameraCell, (config.sortAscending && indexPath.row == arrDataSources.count) || (!config.sortAscending && indexPath.row == 0) {
|
||
// camera cell
|
||
|
||
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: ZLCameraCell.zl.identifier, for: indexPath) as! ZLCameraCell
|
||
|
||
if config.showCaptureImageOnTakePhotoBtn {
|
||
cell.startCapture()
|
||
}
|
||
|
||
cell.isEnable = (nav?.arrSelectedModels.count ?? 0) < config.maxSelectCount
|
||
|
||
return cell
|
||
}
|
||
|
||
if #available(iOS 14, *) {
|
||
if self.showAddPhotoCell, (config.sortAscending && indexPath.row == self.arrDataSources.count - 1 + self.offset) || (!config.sortAscending && indexPath.row == self.offset - 1) {
|
||
return collectionView.dequeueReusableCell(withReuseIdentifier: ZLAddPhotoCell.zl.identifier, for: indexPath)
|
||
}
|
||
}
|
||
|
||
let cell = collectionView.dequeueReusableCell(withReuseIdentifier: ZLThumbnailPhotoCell.zl.identifier, for: indexPath) as! ZLThumbnailPhotoCell
|
||
|
||
let model: ZLPhotoModel
|
||
|
||
if !config.sortAscending {
|
||
model = arrDataSources[indexPath.row - offset]
|
||
} else {
|
||
model = arrDataSources[indexPath.row]
|
||
}
|
||
|
||
cell.selectedBlock = { [weak self, weak nav, weak cell] isSelected in
|
||
if !isSelected {
|
||
let currentSelectCount = nav?.arrSelectedModels.count ?? 0
|
||
guard canAddModel(model, currentSelectCount: currentSelectCount, sender: self) else {
|
||
return
|
||
}
|
||
if self?.shouldDirectEdit(model) == false {
|
||
model.isSelected = true
|
||
nav?.arrSelectedModels.append(model)
|
||
config.didSelectAsset?(model.asset)
|
||
|
||
cell?.btnSelect.isSelected = true
|
||
self?.refreshCellIndexAndMaskView()
|
||
if config.maxSelectCount == 1, !config.allowPreviewPhotos {
|
||
self?.doneBtnClick()
|
||
}
|
||
}
|
||
} else {
|
||
cell?.btnSelect.isSelected = false
|
||
model.isSelected = false
|
||
nav?.arrSelectedModels.removeAll { $0 == model }
|
||
config.didDeselectAsset?(model.asset)
|
||
|
||
self?.refreshCellIndexAndMaskView()
|
||
}
|
||
self?.resetBottomToolBtnStatus()
|
||
}
|
||
|
||
cell.indexLabel.isHidden = true
|
||
if ZLPhotoConfiguration.default().showSelectedIndex {
|
||
for (index, selM) in (nav?.arrSelectedModels ?? []).enumerated() {
|
||
if model == selM {
|
||
setCellIndex(cell, showIndexLabel: true, index: index + 1)
|
||
break
|
||
}
|
||
}
|
||
}
|
||
|
||
setCellMaskView(cell, isSelected: model.isSelected, model: model)
|
||
|
||
cell.model = model
|
||
|
||
return cell
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, willDisplay cell: UICollectionViewCell, forItemAt indexPath: IndexPath) {
|
||
guard let c = cell as? ZLThumbnailPhotoCell else {
|
||
return
|
||
}
|
||
var index = indexPath.row
|
||
if !ZLPhotoConfiguration.default().sortAscending {
|
||
index -= offset
|
||
}
|
||
let model = arrDataSources[index]
|
||
setCellMaskView(c, isSelected: model.isSelected, model: model)
|
||
}
|
||
|
||
func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
|
||
let cell = collectionView.cellForItem(at: indexPath)
|
||
if let cell = cell as? ZLCameraCell {
|
||
if cell.isEnable {
|
||
showCamera()
|
||
}
|
||
return
|
||
}
|
||
|
||
if #available(iOS 14, *) {
|
||
if cell is ZLAddPhotoCell {
|
||
PHPhotoLibrary.shared().presentLimitedLibraryPicker(from: self)
|
||
return
|
||
}
|
||
}
|
||
|
||
guard let cell = cell as? ZLThumbnailPhotoCell else {
|
||
return
|
||
}
|
||
|
||
let config = ZLPhotoConfiguration.default()
|
||
|
||
if !config.allowPreviewPhotos {
|
||
cell.btnSelectClick()
|
||
return
|
||
}
|
||
|
||
// 不允许选择,且上面有蒙层时,不准点击
|
||
if !cell.enableSelect, config.showInvalidMask {
|
||
return
|
||
}
|
||
|
||
var index = indexPath.row
|
||
if !config.sortAscending {
|
||
index -= offset
|
||
}
|
||
|
||
guard arrDataSources.indices ~= index else {
|
||
return
|
||
}
|
||
|
||
let m = arrDataSources[index]
|
||
if shouldDirectEdit(m) {
|
||
return
|
||
}
|
||
|
||
let vc = ZLPhotoPreviewController(photos: arrDataSources, index: index)
|
||
show(vc, sender: nil)
|
||
}
|
||
|
||
private func shouldDirectEdit(_ model: ZLPhotoModel) -> Bool {
|
||
let config = ZLPhotoConfiguration.default()
|
||
|
||
let canEditImage = config.editAfterSelectThumbnailImage &&
|
||
config.allowEditImage &&
|
||
config.maxSelectCount == 1 &&
|
||
model.type.rawValue < ZLPhotoModel.MediaType.video.rawValue
|
||
|
||
let canEditVideo = (config.editAfterSelectThumbnailImage &&
|
||
config.allowEditVideo &&
|
||
model.type == .video &&
|
||
config.maxSelectCount == 1) ||
|
||
(config.allowEditVideo &&
|
||
model.type == .video &&
|
||
!config.allowMixSelect &&
|
||
config.cropVideoAfterSelectThumbnail)
|
||
|
||
// 当前未选择图片 或已经选择了一张并且点击的是已选择的图片
|
||
let nav = navigationController as? ZLImageNavController
|
||
let arrSelectedModels = nav?.arrSelectedModels ?? []
|
||
let flag = arrSelectedModels.isEmpty || (arrSelectedModels.count == 1 && arrSelectedModels.first?.ident == model.ident)
|
||
|
||
if canEditImage, flag {
|
||
showEditImageVC(model: model)
|
||
} else if canEditVideo, flag {
|
||
showEditVideoVC(model: model)
|
||
}
|
||
|
||
return flag && (canEditImage || canEditVideo)
|
||
}
|
||
|
||
private func setCellIndex(_ cell: ZLThumbnailPhotoCell?, showIndexLabel: Bool, index: Int) {
|
||
guard ZLPhotoConfiguration.default().showSelectedIndex else {
|
||
return
|
||
}
|
||
cell?.index = index
|
||
cell?.indexLabel.isHidden = !showIndexLabel
|
||
}
|
||
|
||
private func refreshCellIndexAndMaskView() {
|
||
refreshCameraCellStatus()
|
||
|
||
let showIndex = ZLPhotoConfiguration.default().showSelectedIndex
|
||
let showMask = ZLPhotoConfiguration.default().showSelectedMask || ZLPhotoConfiguration.default().showInvalidMask
|
||
|
||
guard showIndex || showMask else {
|
||
return
|
||
}
|
||
|
||
let visibleIndexPaths = collectionView.indexPathsForVisibleItems
|
||
|
||
visibleIndexPaths.forEach { indexPath in
|
||
guard let cell = self.collectionView.cellForItem(at: indexPath) as? ZLThumbnailPhotoCell else {
|
||
return
|
||
}
|
||
var row = indexPath.row
|
||
if !ZLPhotoConfiguration.default().sortAscending {
|
||
row -= self.offset
|
||
}
|
||
let m = self.arrDataSources[row]
|
||
|
||
let arrSel = (self.navigationController as? ZLImageNavController)?.arrSelectedModels ?? []
|
||
var show = false
|
||
var idx = 0
|
||
var isSelected = false
|
||
for (index, selM) in arrSel.enumerated() {
|
||
if m == selM {
|
||
show = true
|
||
idx = index + 1
|
||
isSelected = true
|
||
break
|
||
}
|
||
}
|
||
if showIndex {
|
||
self.setCellIndex(cell, showIndexLabel: show, index: idx)
|
||
}
|
||
if showMask {
|
||
self.setCellMaskView(cell, isSelected: isSelected, model: m)
|
||
}
|
||
}
|
||
}
|
||
|
||
private func setCellMaskView(_ cell: ZLThumbnailPhotoCell, isSelected: Bool, model: ZLPhotoModel) {
|
||
cell.coverView.isHidden = true
|
||
cell.enableSelect = true
|
||
let arrSel = (navigationController as? ZLImageNavController)?.arrSelectedModels ?? []
|
||
let config = ZLPhotoConfiguration.default()
|
||
|
||
if isSelected {
|
||
cell.coverView.backgroundColor = .zl.selectedMaskColor
|
||
cell.coverView.isHidden = !config.showSelectedMask
|
||
if config.showSelectedBorder {
|
||
cell.layer.borderWidth = 4
|
||
}
|
||
} else {
|
||
let selCount = arrSel.count
|
||
if selCount < config.maxSelectCount {
|
||
if config.allowMixSelect {
|
||
let videoCount = arrSel.filter { $0.type == .video }.count
|
||
if videoCount >= config.maxVideoSelectCount, model.type == .video {
|
||
cell.coverView.backgroundColor = .zl.invalidMaskColor
|
||
cell.coverView.isHidden = !config.showInvalidMask
|
||
cell.enableSelect = false
|
||
} else if (config.maxSelectCount - selCount) <= (config.minVideoSelectCount - videoCount), model.type != .video {
|
||
cell.coverView.backgroundColor = .zl.invalidMaskColor
|
||
cell.coverView.isHidden = !config.showInvalidMask
|
||
cell.enableSelect = false
|
||
}
|
||
} else if selCount > 0 {
|
||
cell.coverView.backgroundColor = .zl.invalidMaskColor
|
||
cell.coverView.isHidden = (!config.showInvalidMask || model.type != .video)
|
||
cell.enableSelect = model.type != .video
|
||
}
|
||
} else if selCount >= config.maxSelectCount {
|
||
cell.coverView.backgroundColor = .zl.invalidMaskColor
|
||
cell.coverView.isHidden = !config.showInvalidMask
|
||
cell.enableSelect = false
|
||
}
|
||
if config.showSelectedBorder {
|
||
cell.layer.borderWidth = 0
|
||
}
|
||
}
|
||
}
|
||
|
||
private func refreshCameraCellStatus() {
|
||
let count = (navigationController as? ZLImageNavController)?.arrSelectedModels.count ?? 0
|
||
|
||
for cell in collectionView.visibleCells {
|
||
if let cell = cell as? ZLCameraCell {
|
||
cell.isEnable = count < ZLPhotoConfiguration.default().maxSelectCount
|
||
break
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
extension ZLThumbnailViewController: UIImagePickerControllerDelegate, UINavigationControllerDelegate {
|
||
func imagePickerController(_ picker: UIImagePickerController, didFinishPickingMediaWithInfo info: [UIImagePickerController.InfoKey: Any]) {
|
||
picker.dismiss(animated: true) {
|
||
let image = info[.originalImage] as? UIImage
|
||
let url = info[.mediaURL] as? URL
|
||
self.save(image: image, videoUrl: url)
|
||
}
|
||
}
|
||
}
|
||
|
||
extension ZLThumbnailViewController: PHPhotoLibraryChangeObserver {
|
||
func photoLibraryDidChange(_ changeInstance: PHChange) {
|
||
guard let changes = changeInstance.changeDetails(for: albumList.result) else {
|
||
return
|
||
}
|
||
|
||
ZLMainAsync {
|
||
guard let nav = self.navigationController as? ZLImageNavController else {
|
||
zlLoggerInDebug("Navigation controller is null")
|
||
return
|
||
}
|
||
// 变化后再次显示相册列表需要刷新
|
||
self.hasTakeANewAsset = true
|
||
self.albumList.result = changes.fetchResultAfterChanges
|
||
if changes.hasIncrementalChanges {
|
||
for sm in nav.arrSelectedModels {
|
||
let isDelete = changeInstance.changeDetails(for: sm.asset)?.objectWasDeleted ?? false
|
||
if isDelete {
|
||
nav.arrSelectedModels.removeAll { $0 == sm }
|
||
}
|
||
}
|
||
if !changes.removedObjects.isEmpty || !changes.insertedObjects.isEmpty {
|
||
self.albumList.models.removeAll()
|
||
}
|
||
|
||
self.loadPhotos()
|
||
} else {
|
||
for sm in nav.arrSelectedModels {
|
||
let isDelete = changeInstance.changeDetails(for: sm.asset)?.objectWasDeleted ?? false
|
||
if isDelete {
|
||
nav.arrSelectedModels.removeAll { $0 == sm }
|
||
}
|
||
}
|
||
self.albumList.models.removeAll()
|
||
self.loadPhotos()
|
||
}
|
||
self.resetBottomToolBtnStatus()
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: embed album list nav view
|
||
|
||
class ZLEmbedAlbumListNavView: UIView {
|
||
private static let titleViewH: CGFloat = 32
|
||
|
||
private static let arrowH: CGFloat = 20
|
||
|
||
private var navBlurView: UIVisualEffectView?
|
||
|
||
private lazy var titleBgControl: UIControl = {
|
||
let control = UIControl()
|
||
control.backgroundColor = .zl.navEmbedTitleViewBgColor
|
||
control.layer.cornerRadius = ZLEmbedAlbumListNavView.titleViewH / 2
|
||
control.layer.masksToBounds = true
|
||
control.addTarget(self, action: #selector(titleBgControlClick), for: .touchUpInside)
|
||
return control
|
||
}()
|
||
|
||
private lazy var albumTitleLabel: UILabel = {
|
||
let label = UILabel()
|
||
label.textColor = .zl.navTitleColor
|
||
label.font = ZLLayout.navTitleFont
|
||
label.text = title
|
||
label.textAlignment = .center
|
||
return label
|
||
}()
|
||
|
||
private lazy var arrow: UIImageView = {
|
||
let view = UIImageView(image: .zl.getImage("zl_downArrow"))
|
||
view.clipsToBounds = true
|
||
view.contentMode = .scaleAspectFill
|
||
return view
|
||
}()
|
||
|
||
private lazy var cancelBtn: UIButton = {
|
||
let btn = UIButton(type: .custom)
|
||
if ZLPhotoUIConfiguration.default().navCancelButtonStyle == .text {
|
||
btn.titleLabel?.font = ZLLayout.navTitleFont
|
||
btn.setTitle(localLanguageTextValue(.cancel), for: .normal)
|
||
btn.setTitleColor(.zl.navTitleColor, for: .normal)
|
||
} else {
|
||
btn.setImage(.zl.getImage("zl_navClose"), for: .normal)
|
||
}
|
||
btn.addTarget(self, action: #selector(cancelBtnClick), for: .touchUpInside)
|
||
return btn
|
||
}()
|
||
|
||
var title: String {
|
||
didSet {
|
||
albumTitleLabel.text = title
|
||
refreshTitleViewFrame()
|
||
}
|
||
}
|
||
|
||
var selectAlbumBlock: (() -> Void)?
|
||
|
||
var cancelBlock: (() -> Void)?
|
||
|
||
init(title: String) {
|
||
self.title = title
|
||
super.init(frame: .zero)
|
||
setupUI()
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
override func layoutSubviews() {
|
||
super.layoutSubviews()
|
||
|
||
var insets = UIEdgeInsets(top: 20, left: 0, bottom: 0, right: 0)
|
||
if #available(iOS 11.0, *) {
|
||
insets = safeAreaInsets
|
||
}
|
||
|
||
refreshTitleViewFrame()
|
||
if ZLPhotoUIConfiguration.default().navCancelButtonStyle == .text {
|
||
let cancelBtnW = localLanguageTextValue(.cancel).zl.boundingRect(font: ZLLayout.navTitleFont, limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 44)).width
|
||
cancelBtn.frame = CGRect(x: insets.left + 20, y: insets.top, width: cancelBtnW, height: 44)
|
||
} else {
|
||
cancelBtn.frame = CGRect(x: insets.left + 10, y: insets.top, width: 44, height: 44)
|
||
}
|
||
}
|
||
|
||
private func refreshTitleViewFrame() {
|
||
var insets = UIEdgeInsets(top: 20, left: 0, bottom: 0, right: 0)
|
||
if #available(iOS 11.0, *) {
|
||
insets = safeAreaInsets
|
||
}
|
||
|
||
navBlurView?.frame = bounds
|
||
|
||
let albumTitleW = min(
|
||
bounds.width / 2,
|
||
title.zl.boundingRect(
|
||
font: ZLLayout.navTitleFont,
|
||
limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 44)
|
||
).width
|
||
)
|
||
let titleBgControlW = albumTitleW + ZLEmbedAlbumListNavView.arrowH + 20
|
||
|
||
UIView.animate(withDuration: 0.25) {
|
||
self.titleBgControl.frame = CGRect(
|
||
x: (self.frame.width - titleBgControlW) / 2,
|
||
y: insets.top + (44 - ZLEmbedAlbumListNavView.titleViewH) / 2,
|
||
width: titleBgControlW,
|
||
height: ZLEmbedAlbumListNavView.titleViewH
|
||
)
|
||
self.albumTitleLabel.frame = CGRect(x: 10, y: 0, width: albumTitleW, height: ZLEmbedAlbumListNavView.titleViewH)
|
||
self.arrow.frame = CGRect(
|
||
x: self.albumTitleLabel.frame.maxX + 5,
|
||
y: (ZLEmbedAlbumListNavView.titleViewH - ZLEmbedAlbumListNavView.arrowH) / 2.0,
|
||
width: ZLEmbedAlbumListNavView.arrowH,
|
||
height: ZLEmbedAlbumListNavView.arrowH
|
||
)
|
||
}
|
||
}
|
||
|
||
private func setupUI() {
|
||
backgroundColor = .zl.navBarColor
|
||
|
||
if let effect = ZLPhotoUIConfiguration.default().navViewBlurEffectOfAlbumList {
|
||
navBlurView = UIVisualEffectView(effect: effect)
|
||
addSubview(navBlurView!)
|
||
}
|
||
|
||
addSubview(titleBgControl)
|
||
titleBgControl.addSubview(albumTitleLabel)
|
||
titleBgControl.addSubview(arrow)
|
||
addSubview(cancelBtn)
|
||
}
|
||
|
||
@objc private func titleBgControlClick() {
|
||
selectAlbumBlock?()
|
||
if arrow.transform == .identity {
|
||
UIView.animate(withDuration: 0.25) {
|
||
self.arrow.transform = CGAffineTransform(rotationAngle: .pi)
|
||
}
|
||
} else {
|
||
UIView.animate(withDuration: 0.25) {
|
||
self.arrow.transform = .identity
|
||
}
|
||
}
|
||
}
|
||
|
||
@objc private func cancelBtnClick() {
|
||
cancelBlock?()
|
||
}
|
||
|
||
func reset() {
|
||
UIView.animate(withDuration: 0.25) {
|
||
self.arrow.transform = .identity
|
||
}
|
||
}
|
||
}
|
||
|
||
// MARK: external album list nav view
|
||
|
||
class ZLExternalAlbumListNavView: UIView {
|
||
private let title: String
|
||
|
||
private var navBlurView: UIVisualEffectView?
|
||
|
||
private lazy var albumTitleLabel: UILabel = {
|
||
let label = UILabel()
|
||
label.textColor = .zl.navTitleColor
|
||
label.font = ZLLayout.navTitleFont
|
||
label.text = title
|
||
label.textAlignment = .center
|
||
return label
|
||
}()
|
||
|
||
private lazy var cancelBtn: UIButton = {
|
||
let btn = UIButton(type: .custom)
|
||
if ZLPhotoUIConfiguration.default().navCancelButtonStyle == .text {
|
||
btn.titleLabel?.font = ZLLayout.navTitleFont
|
||
btn.setTitle(localLanguageTextValue(.cancel), for: .normal)
|
||
btn.setTitleColor(.zl.navTitleColor, for: .normal)
|
||
} else {
|
||
btn.setImage(.zl.getImage("zl_navClose"), for: .normal)
|
||
}
|
||
btn.addTarget(self, action: #selector(cancelBtnClick), for: .touchUpInside)
|
||
return btn
|
||
}()
|
||
|
||
lazy var backBtn: UIButton = {
|
||
let btn = UIButton(type: .custom)
|
||
|
||
var image = UIImage.zl.getImage("zl_navBack")
|
||
if isRTL() {
|
||
image = image?.imageFlippedForRightToLeftLayoutDirection()
|
||
btn.imageEdgeInsets = UIEdgeInsets(top: 0, left: 0, bottom: 0, right: -10)
|
||
} else {
|
||
btn.imageEdgeInsets = UIEdgeInsets(top: 0, left: -10, bottom: 0, right: 0)
|
||
}
|
||
|
||
btn.setImage(image, for: .normal)
|
||
|
||
btn.addTarget(self, action: #selector(backBtnClick), for: .touchUpInside)
|
||
return btn
|
||
}()
|
||
|
||
var backBlock: (() -> Void)?
|
||
|
||
var cancelBlock: (() -> Void)?
|
||
|
||
init(title: String) {
|
||
self.title = title
|
||
super.init(frame: .zero)
|
||
setupUI()
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
override func layoutSubviews() {
|
||
super.layoutSubviews()
|
||
|
||
var insets = UIEdgeInsets(top: 20, left: 0, bottom: 0, right: 0)
|
||
if #available(iOS 11.0, *) {
|
||
insets = safeAreaInsets
|
||
}
|
||
|
||
navBlurView?.frame = bounds
|
||
|
||
let albumTitleW = min(bounds.width / 2, title.zl.boundingRect(font: ZLLayout.navTitleFont, limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 44)).width)
|
||
albumTitleLabel.frame = CGRect(x: (bounds.width - albumTitleW) / 2, y: insets.top, width: albumTitleW, height: 44)
|
||
|
||
var cancelBtnW: CGFloat = 44
|
||
if ZLPhotoUIConfiguration.default().navCancelButtonStyle == .text {
|
||
cancelBtnW = localLanguageTextValue(.cancel)
|
||
.zl.boundingRect(
|
||
font: ZLLayout.navTitleFont,
|
||
limitSize: CGSize(width: CGFloat.greatestFiniteMagnitude, height: 44)
|
||
).width + 20
|
||
}
|
||
|
||
if isRTL() {
|
||
backBtn.frame = CGRect(x: bounds.width - insets.right - 60, y: insets.top, width: 60, height: 44)
|
||
cancelBtn.frame = CGRect(x: insets.left + 10, y: insets.top, width: cancelBtnW, height: 44)
|
||
} else {
|
||
backBtn.frame = CGRect(x: insets.left, y: insets.top, width: 60, height: 44)
|
||
cancelBtn.frame = CGRect(x: bounds.width - insets.right - cancelBtnW - 10, y: insets.top, width: cancelBtnW, height: 44)
|
||
}
|
||
}
|
||
|
||
private func setupUI() {
|
||
backgroundColor = .zl.navBarColor
|
||
|
||
if let effect = ZLPhotoUIConfiguration.default().navViewBlurEffectOfAlbumList {
|
||
navBlurView = UIVisualEffectView(effect: effect)
|
||
addSubview(navBlurView!)
|
||
}
|
||
|
||
addSubview(backBtn)
|
||
addSubview(albumTitleLabel)
|
||
addSubview(cancelBtn)
|
||
}
|
||
|
||
@objc private func backBtnClick() {
|
||
backBlock?()
|
||
}
|
||
|
||
@objc private func cancelBtnClick() {
|
||
cancelBlock?()
|
||
}
|
||
}
|
||
|
||
class ZLLimitedAuthorityTipsView: UIView {
|
||
static let height: CGFloat = 70
|
||
|
||
private lazy var icon = UIImageView(image: .zl.getImage("zl_warning"))
|
||
|
||
private lazy var tipsLabel: UILabel = {
|
||
let label = UILabel()
|
||
label.font = .zl.font(ofSize: 14)
|
||
label.text = localLanguageTextValue(.unableToAccessAllPhotos)
|
||
label.textColor = .zl.limitedAuthorityTipsColor
|
||
label.numberOfLines = 2
|
||
label.lineBreakMode = .byTruncatingTail
|
||
label.adjustsFontSizeToFitWidth = true
|
||
label.minimumScaleFactor = 0.5
|
||
return label
|
||
}()
|
||
|
||
private lazy var arrow = UIImageView(image: .zl.getImage("zl_right_arrow"))
|
||
|
||
override init(frame: CGRect) {
|
||
super.init(frame: frame)
|
||
|
||
addSubview(icon)
|
||
addSubview(tipsLabel)
|
||
addSubview(arrow)
|
||
|
||
let tap = UITapGestureRecognizer(target: self, action: #selector(tapAction))
|
||
addGestureRecognizer(tap)
|
||
}
|
||
|
||
@available(*, unavailable)
|
||
required init?(coder: NSCoder) {
|
||
fatalError("init(coder:) has not been implemented")
|
||
}
|
||
|
||
override func layoutSubviews() {
|
||
super.layoutSubviews()
|
||
|
||
icon.frame = CGRect(x: 18, y: (ZLLimitedAuthorityTipsView.height - 25) / 2, width: 25, height: 25)
|
||
tipsLabel.frame = CGRect(x: 55, y: (ZLLimitedAuthorityTipsView.height - 40) / 2, width: frame.width - 55 - 30, height: 40)
|
||
arrow.frame = CGRect(x: frame.width - 25, y: (ZLLimitedAuthorityTipsView.height - 12) / 2, width: 12, height: 12)
|
||
}
|
||
|
||
@objc private func tapAction() {
|
||
guard let url = URL(string: UIApplication.openSettingsURLString) else {
|
||
return
|
||
}
|
||
if UIApplication.shared.canOpenURL(url) {
|
||
UIApplication.shared.open(url, options: [:], completionHandler: nil)
|
||
}
|
||
}
|
||
}
|