152 lines
4.5 KiB
Swift
152 lines
4.5 KiB
Swift
//
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// Copyright (c) 2019 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import SignalServiceKit
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@objc
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public class StickerPackViewController: OWSViewController {
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// MARK: - Dependencies
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private static var databaseStorage: SDSDatabaseStorage {
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return SDSDatabaseStorage.shared
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}
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// MARK: Properties
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private let stickerPackInfo: StickerPackInfo
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private let stickerCollectionView = StickerPackCollectionView()
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private let dataSource: StickerPackDataSource
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private let hasDismissButton: Bool
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// MARK: Initializers
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@available(*, unavailable, message:"use other constructor instead.")
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required public init?(coder aDecoder: NSCoder) {
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notImplemented()
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}
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@objc
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public required init(stickerPackInfo: StickerPackInfo, hasDismissButton: Bool) {
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self.stickerPackInfo = stickerPackInfo
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self.hasDismissButton = hasDismissButton
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self.dataSource = TransientStickerPackDataSource(stickerPackInfo: stickerPackInfo)
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super.init(nibName: nil, bundle: nil)
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stickerCollectionView.show(dataSource: dataSource)
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dataSource.add(delegate: self)
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}
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deinit {
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NotificationCenter.default.removeObserver(self)
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}
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// MARK: - View Lifecycle
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override public func loadView() {
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super.loadView()
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self.view.addSubview(stickerCollectionView)
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stickerCollectionView.autoPinEdgesToSuperviewEdges()
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// TODO: We probably want to surface the author and perhaps the cover.
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// design is pending.
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updateNavigationBar()
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}
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private func updateNavigationBar() {
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AssertIsOnMainThread()
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let defaultTitle = NSLocalizedString("STICKERS_PACK_VIEW_DEFAULT_TITLE", comment: "The default title for the 'sticker pack' view.")
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if let stickerPack = dataSource.getStickerPack() {
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if let title = stickerPack.title?.ows_stripped(),
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title.count > 0 {
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navigationItem.title = title
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} else {
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navigationItem.title = defaultTitle
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}
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if stickerPack.isInstalled {
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: NSLocalizedString("STICKERS_UNINSTALL_BUTTON", comment: "Label for the 'uninstall sticker pack' button."),
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style: .plain,
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target: self,
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action: #selector(didTapUninstall))
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} else {
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self.navigationItem.rightBarButtonItem = UIBarButtonItem(title: NSLocalizedString("STICKERS_INSTALL_BUTTON", comment: "Label for the 'install sticker pack' button."),
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style: .plain,
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target: self,
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action: #selector(didTapInstall))
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}
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} else {
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navigationItem.title = defaultTitle
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navigationItem.rightBarButtonItem = nil
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}
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if hasDismissButton {
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navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem: .stop, target: self, action: #selector(didPressDismiss))
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}
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}
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override public func viewDidLoad() {
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super.viewDidLoad()
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StickerManager.refreshContents()
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}
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// MARK: Events
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@objc
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private func didTapInstall(sender: UIButton) {
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AssertIsOnMainThread()
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Logger.verbose("")
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guard let stickerPack = dataSource.getStickerPack() else {
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owsFailDebug("Missing sticker pack.")
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return
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}
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StickerManager.saveStickerPack(stickerPack: stickerPack, shouldInstall: true)
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updateNavigationBar()
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}
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@objc
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private func didTapUninstall(sender: UIButton) {
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AssertIsOnMainThread()
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Logger.verbose("")
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StickerManager.uninstallStickerPack(stickerPackInfo: stickerPackInfo)
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updateNavigationBar()
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}
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@objc
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private func didPressDismiss(sender: UIButton) {
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AssertIsOnMainThread()
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Logger.verbose("")
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dismiss(animated: true)
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}
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}
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// MARK: -
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extension StickerPackViewController: StickerPackDataSourceDelegate {
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public func stickerPackDataDidChange() {
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AssertIsOnMainThread()
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updateNavigationBar()
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}
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}
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