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+/*****************************************************************************
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+ * MediaPlaybackControlToolbar.swift
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+ *
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+ * Copyright © 2019 VLC authors and VideoLAN
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+ *
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+ * Authors: Robert Gordon <robwaynegordon@gmail.com>
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+ *
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+ *
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+ * Refer to the COPYING file of the official project for license.
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+ *****************************************************************************/
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+
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+// MARK: Protocol definition
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+@objc (VLCMediaPlaybackControlToolbarDelegate)
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+protocol MediaPlaybackControlToolbarDelegate: class {
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+ func mediaPlaybackControlDidTogglePlayPause(_ mediaPlaybackControlToolbar: MediaPlaybackControlToolbar)
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+ func mediaPlaybackControlDidSkipForward(_ mediaPlaybackControlToolbar: MediaPlaybackControlToolbar)
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+ func mediaPlaybackControlDidSkipBackward(_ mediaPlaybackControlToolbar: MediaPlaybackControlToolbar)
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+ func mediaPlaybackControlDidSkipToNextMedia(_ mediaPlaybackControlToolbar: MediaPlaybackControlToolbar)
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+ func mediaPlaybackControlDidSkipToPreviousMedia(_ mediaPlaybackControlToolbar: MediaPlaybackControlToolbar)
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+}
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+
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+@objc (VLCMediaPlaybackControlToolbar)
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+@objcMembers class MediaPlaybackControlToolbar: UIStackView {
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+
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+ // MARK: Instance Variables
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+ weak var delegate: MediaPlaybackControlToolbarDelegate?
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+
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+ lazy var playPauseButton: UIButton = {
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+ var playBtn = UIButton(type: .system)
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+ playBtn.addTarget(self, action: #selector(togglePlayPause), for: .touchUpInside)
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+ playBtn.setImage(UIImage(named: "iconPause"), for: .normal)
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+ playBtn.tintColor = .white
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+ return playBtn
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+ }()
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+
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+ lazy var skipForwardButton: UIButton = {
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+ var fwdButton = UIButton(type: .system)
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+ fwdButton.setImage(UIImage(named: "iconSkipForward"), for: .normal)
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+ fwdButton.addTarget(self, action: #selector(skipForward), for: .touchUpInside)
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+ fwdButton.tintColor = .white
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+ return fwdButton
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+ }()
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+
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+ lazy var skipBackwardButton: UIButton = {
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+ var bwdButton = UIButton(type: .system)
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+ bwdButton.setImage(UIImage(named: "iconSkipBackward"), for: .normal)
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+ bwdButton.addTarget(self, action: #selector(skipBackward), for: .touchUpInside)
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+ bwdButton.tintColor = .white
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+ return bwdButton
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+ }()
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+
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+ lazy var skipToPreviousMediaButton: UIButton = {
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+ var previousMediaButton = UIButton(type: .system)
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+ previousMediaButton.setImage(UIImage(named: "iconSkipToPrevious"), for: .normal)
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+ previousMediaButton.addTarget(self, action: #selector(skipForward), for: .touchUpInside)
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+ previousMediaButton.tintColor = .white
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+ return previousMediaButton
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+ }()
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+
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+ lazy var skipToNextMediaButton: UIButton = {
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+ var nextMediaButton = UIButton(type: .system)
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+ nextMediaButton.setImage(UIImage(named: "iconSkipToNext"), for: .normal)
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+ nextMediaButton.addTarget(self, action: #selector(skipForward), for: .touchUpInside)
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+ nextMediaButton.tintColor = .white
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+ return nextMediaButton
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+ }()
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+
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+ var isPlaying: Bool {
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+ didSet {
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+ if isPlaying {
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+ playPauseButton.setImage(UIImage(named: "iconPause"), for: .normal)
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+ } else {
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+ playPauseButton.setImage(UIImage(named: "iconPlay"), for: .normal)
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+ }
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+ }
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+ }
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+
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+ // MARK: Initializers
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+ required init(coder: NSCoder) {
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+ fatalError("init(coder:) not implemented")
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+ }
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+
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+ override init(frame: CGRect) {
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+ isPlaying = true
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+ super.init(frame: frame)
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+ axis = .horizontal
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+ addArrangedSubview(skipBackwardButton)
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+ addArrangedSubview(skipToPreviousMediaButton)
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+ addArrangedSubview(playPauseButton)
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+ addArrangedSubview(skipToNextMediaButton)
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+ addArrangedSubview(skipForwardButton)
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+ }
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+
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+ // MARK: Button Action Methods
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+ func togglePlayPause() {
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+ assert(delegate != nil, "Delegate for MediaPlaybackControlToolBar not set.")
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+ delegate?.mediaPlaybackControlDidTogglePlayPause(self)
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+ }
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+
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+ func skipForward() {
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+ assert(delegate != nil, "Delegate for MediaPlaybackControlToolBar not set.")
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+ delegate?.mediaPlaybackControlDidSkipForward(self)
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+ }
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+
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+ func skipBackward() {
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+ assert(delegate != nil, "Delegate for MediaPlaybackControlToolBar not set.")
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+ delegate?.mediaPlaybackControlDidSkipBackward(self)
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+ }
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+
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+ func skipToPreviousMedia() {
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+ assert(delegate != nil, "Delegate for MediaPlaybackControlToolBar not set.")
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+ delegate?.mediaPlaybackControlDidSkipToPreviousMedia(self)
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+ }
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+
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+ func skipToNextMedia() {
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+ assert(delegate != nil, "Delegate for MediaPlaybackControlToolBar not set.")
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+ delegate?.mediaPlaybackControlDidSkipToNextMedia(self)
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+ }
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+}
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Robert Gordon