mirror of
https://github.com/oxen-io/session-ios.git
synced 2023-12-13 21:30:14 +01:00
463 lines
16 KiB
Swift
463 lines
16 KiB
Swift
//
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// Copyright (c) 2017 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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import MediaPlayer
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class AttachmentApprovalViewController: OWSViewController, OWSAudioAttachmentPlayerDelegate {
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let TAG = "[AttachmentApprovalViewController]"
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// MARK: Properties
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let attachment: SignalAttachment
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var successCompletion : (() -> Void)?
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var videoPlayer: MPMoviePlayerController?
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var audioPlayer: OWSAudioAttachmentPlayer?
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var audioStatusLabel: UILabel?
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var audioPlayButton: UIButton?
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var isAudioPlayingFlag = false
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var isAudioPaused = false
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var audioProgressSeconds: CGFloat = 0
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var audioDurationSeconds: CGFloat = 0
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// MARK: Initializers
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@available(*, unavailable, message:"use attachment: constructor instead.")
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required init?(coder aDecoder: NSCoder) {
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self.attachment = SignalAttachment.empty()
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super.init(coder: aDecoder)
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owsFail("\(self.TAG) invalid constructor")
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}
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required init(attachment: SignalAttachment, successCompletion : @escaping () -> Void) {
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assert(!attachment.hasError)
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self.attachment = attachment
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self.successCompletion = successCompletion
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super.init(nibName: nil, bundle: nil)
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}
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// MARK: View Lifecycle
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override func viewDidLoad() {
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super.viewDidLoad()
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view.backgroundColor = UIColor.white
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self.navigationItem.leftBarButtonItem = UIBarButtonItem(barButtonSystemItem:.stop,
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target:self,
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action:#selector(donePressed))
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self.navigationItem.title = dialogTitle()
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createViews()
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}
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private func dialogTitle() -> String {
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guard let filename = formattedFileName() else {
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return NSLocalizedString("ATTACHMENT_APPROVAL_DIALOG_TITLE",
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comment: "Title for the 'attachment approval' dialog.")
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}
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return filename
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}
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override func viewWillAppear(_ animated: Bool) {
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super.viewWillAppear(animated)
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ViewControllerUtils.setAudioIgnoresHardwareMuteSwitch(true)
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}
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override func viewWillDisappear(_ animated: Bool) {
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super.viewWillDisappear(animated)
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ViewControllerUtils.setAudioIgnoresHardwareMuteSwitch(false)
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}
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// MARK: - Create Views
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private func createViews() {
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let previewTopMargin: CGFloat = 30
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let previewHMargin: CGFloat = 20
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let attachmentPreviewView = UIView()
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self.view.addSubview(attachmentPreviewView)
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attachmentPreviewView.autoPinWidthToSuperview(withMargin:previewHMargin)
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attachmentPreviewView.autoPin(toTopLayoutGuideOf: self, withInset:previewTopMargin)
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createButtonRow(attachmentPreviewView:attachmentPreviewView)
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if attachment.isAnimatedImage {
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createAnimatedPreview(attachmentPreviewView:attachmentPreviewView)
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} else if attachment.isImage {
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createImagePreview(attachmentPreviewView:attachmentPreviewView)
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} else if attachment.isVideo {
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createVideoPreview(attachmentPreviewView:attachmentPreviewView)
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} else if attachment.isAudio {
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createAudioPreview(attachmentPreviewView:attachmentPreviewView)
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} else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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}
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}
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private func wrapViewsInVerticalStack(subviews: [UIView]) -> UIView {
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assert(subviews.count > 0)
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let stackView = UIView()
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var lastView: UIView?
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for subview in subviews {
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stackView.addSubview(subview)
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subview.autoHCenterInSuperview()
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if lastView == nil {
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subview.autoPinEdge(toSuperviewEdge:.top)
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} else {
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subview.autoPinEdge(.top, to:.bottom, of:lastView!, withOffset:10)
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}
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lastView = subview
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}
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lastView?.autoPinEdge(toSuperviewEdge:.bottom)
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return stackView
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}
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private func createAudioPreview(attachmentPreviewView: UIView) {
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guard let dataUrl = attachment.dataUrl else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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return
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}
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audioPlayer = OWSAudioAttachmentPlayer(mediaUrl: dataUrl, delegate: self)
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var subviews = [UIView]()
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let audioPlayButton = UIButton()
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self.audioPlayButton = audioPlayButton
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setAudioIconToPlay()
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audioPlayButton.imageView?.layer.minificationFilter = kCAFilterTrilinear
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audioPlayButton.imageView?.layer.magnificationFilter = kCAFilterTrilinear
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audioPlayButton.addTarget(self, action:#selector(audioPlayButtonPressed), for:.touchUpInside)
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let buttonSize = createHeroViewSize()
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audioPlayButton.autoSetDimension(.width, toSize:buttonSize)
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audioPlayButton.autoSetDimension(.height, toSize:buttonSize)
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subviews.append(audioPlayButton)
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let fileNameLabel = createFileNameLabel()
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if let fileNameLabel = fileNameLabel {
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subviews.append(fileNameLabel)
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}
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let fileSizeLabel = createFileSizeLabel()
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subviews.append(fileSizeLabel)
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let audioStatusLabel = createAudioStatusLabel()
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self.audioStatusLabel = audioStatusLabel
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updateAudioStatusLabel()
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subviews.append(audioStatusLabel)
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let stackView = wrapViewsInVerticalStack(subviews:subviews)
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attachmentPreviewView.addSubview(stackView)
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fileNameLabel?.autoPinWidthToSuperview(withMargin: 32)
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stackView.autoPinWidthToSuperview()
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stackView.autoVCenterInSuperview()
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}
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private func createAnimatedPreview(attachmentPreviewView: UIView) {
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guard attachment.isValidImage else {
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return
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}
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let data = attachment.data
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// Use Flipboard FLAnimatedImage library to display gifs
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guard let animatedImage = FLAnimatedImage(gifData:data) else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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return
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}
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let animatedImageView = FLAnimatedImageView()
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animatedImageView.animatedImage = animatedImage
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animatedImageView.contentMode = .scaleAspectFit
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attachmentPreviewView.addSubview(animatedImageView)
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animatedImageView.autoPinWidthToSuperview()
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animatedImageView.autoPinHeightToSuperview()
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}
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private func createImagePreview(attachmentPreviewView: UIView) {
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var image = attachment.image
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if image == nil {
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image = UIImage(data:attachment.data)
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}
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guard image != nil else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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return
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}
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let imageView = UIImageView(image:image)
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imageView.layer.minificationFilter = kCAFilterTrilinear
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imageView.layer.magnificationFilter = kCAFilterTrilinear
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imageView.contentMode = .scaleAspectFit
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attachmentPreviewView.addSubview(imageView)
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imageView.autoPinWidthToSuperview()
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imageView.autoPinHeightToSuperview()
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}
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private func createVideoPreview(attachmentPreviewView: UIView) {
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guard let dataUrl = attachment.dataUrl else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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return
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}
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guard let videoPlayer = MPMoviePlayerController(contentURL:dataUrl) else {
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createGenericPreview(attachmentPreviewView:attachmentPreviewView)
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return
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}
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videoPlayer.prepareToPlay()
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videoPlayer.controlStyle = .default
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videoPlayer.shouldAutoplay = false
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attachmentPreviewView.addSubview(videoPlayer.view)
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self.videoPlayer = videoPlayer
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videoPlayer.view.autoPinWidthToSuperview()
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videoPlayer.view.autoPinHeightToSuperview()
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}
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private func createGenericPreview(attachmentPreviewView: UIView) {
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var subviews = [UIView]()
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let imageView = createHeroImageView(imageName: "file-thin-black-filled-large")
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subviews.append(imageView)
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let fileNameLabel = createFileNameLabel()
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if let fileNameLabel = fileNameLabel {
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subviews.append(fileNameLabel)
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}
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let fileSizeLabel = createFileSizeLabel()
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subviews.append(fileSizeLabel)
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let stackView = wrapViewsInVerticalStack(subviews:subviews)
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attachmentPreviewView.addSubview(stackView)
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fileNameLabel?.autoPinWidthToSuperview(withMargin: 32)
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stackView.autoPinWidthToSuperview()
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stackView.autoVCenterInSuperview()
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}
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private func createHeroViewSize() -> CGFloat {
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return ScaleFromIPhone5To7Plus(175, 225)
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}
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private func createHeroImageView(imageName: String) -> UIView {
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let imageSize = createHeroViewSize()
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let image = UIImage(named:imageName)
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assert(image != nil)
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let imageView = UIImageView(image:image)
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imageView.layer.minificationFilter = kCAFilterTrilinear
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imageView.layer.magnificationFilter = kCAFilterTrilinear
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imageView.layer.shadowColor = UIColor.black.cgColor
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let shadowScaling = 5.0
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imageView.layer.shadowRadius = CGFloat(2.0 * shadowScaling)
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imageView.layer.shadowOpacity = 0.25
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imageView.layer.shadowOffset = CGSize(width: 0.75 * shadowScaling, height: 0.75 * shadowScaling)
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imageView.autoSetDimension(.width, toSize:imageSize)
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imageView.autoSetDimension(.height, toSize:imageSize)
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return imageView
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}
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private func labelFont() -> UIFont {
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return UIFont.ows_regularFont(withSize:ScaleFromIPhone5To7Plus(18, 24))
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}
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private func formattedFileExtension() -> String? {
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guard let fileExtension = attachment.fileExtension else {
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return nil
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}
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return String(format:NSLocalizedString("ATTACHMENT_APPROVAL_FILE_EXTENSION_FORMAT",
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comment: "Format string for file extension label in call interstitial view"),
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fileExtension.uppercased())
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}
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private func formattedFileName() -> String? {
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guard let sourceFilename = attachment.sourceFilename else {
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return nil
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}
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let filename = sourceFilename.trimmingCharacters(in: CharacterSet.whitespacesAndNewlines)
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guard filename.characters.count > 0 else {
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return nil
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}
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return filename
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}
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private func createFileNameLabel() -> UIView? {
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let filename = formattedFileName() ?? formattedFileExtension()
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guard filename != nil else {
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return nil
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}
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let label = UILabel()
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label.text = filename
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label.textColor = UIColor.ows_materialBlue()
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label.font = labelFont()
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label.textAlignment = .center
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label.lineBreakMode = .byTruncatingMiddle
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return label
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}
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private func createFileSizeLabel() -> UIView {
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let label = UILabel()
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let fileSize = attachment.dataLength
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label.text = String(format:NSLocalizedString("ATTACHMENT_APPROVAL_FILE_SIZE_FORMAT",
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comment: "Format string for file size label in call interstitial view. Embeds: {{file size as 'N mb' or 'N kb'}}."),
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ViewControllerUtils.formatFileSize(UInt(fileSize)))
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label.textColor = UIColor.ows_materialBlue()
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label.font = labelFont()
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label.textAlignment = .center
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return label
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}
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private func createAudioStatusLabel() -> UILabel {
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let label = UILabel()
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label.textColor = UIColor.ows_materialBlue()
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label.font = labelFont()
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label.textAlignment = .center
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return label
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}
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private func createButtonRow(attachmentPreviewView: UIView) {
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let buttonTopMargin = ScaleFromIPhone5To7Plus(30, 40)
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let buttonBottomMargin = ScaleFromIPhone5To7Plus(25, 40)
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let buttonHSpacing = ScaleFromIPhone5To7Plus(20, 30)
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let buttonRow = UIView()
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self.view.addSubview(buttonRow)
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buttonRow.autoPinWidthToSuperview()
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buttonRow.autoPinEdge(toSuperviewEdge:.bottom, withInset:buttonBottomMargin)
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buttonRow.autoPinEdge(.top, to:.bottom, of:attachmentPreviewView, withOffset:buttonTopMargin)
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// We use this invisible subview to ensure that the buttons are centered
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// horizontally.
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let buttonSpacer = UIView()
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buttonRow.addSubview(buttonSpacer)
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// Vertical positioning of this view doesn't matter.
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buttonSpacer.autoPinEdge(toSuperviewEdge:.top)
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buttonSpacer.autoSetDimension(.width, toSize:buttonHSpacing)
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buttonSpacer.autoHCenterInSuperview()
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let cancelButton = createButton(title: CommonStrings.cancelButton,
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color : UIColor.ows_destructiveRed(),
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action: #selector(cancelPressed))
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buttonRow.addSubview(cancelButton)
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cancelButton.autoPinEdge(toSuperviewEdge:.top)
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cancelButton.autoPinEdge(toSuperviewEdge:.bottom)
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cancelButton.autoPinEdge(.right, to:.left, of:buttonSpacer)
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let sendButton = createButton(title: NSLocalizedString("ATTACHMENT_APPROVAL_SEND_BUTTON",
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comment: "Label for 'send' button in the 'attachment approval' dialog."),
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color : UIColor(rgbHex:0x2ecc71),
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action: #selector(sendPressed))
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buttonRow.addSubview(sendButton)
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sendButton.autoPinEdge(toSuperviewEdge:.top)
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sendButton.autoPinEdge(toSuperviewEdge:.bottom)
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sendButton.autoPinEdge(.left, to:.right, of:buttonSpacer)
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}
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private func createButton(title: String, color: UIColor, action: Selector) -> UIView {
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let buttonWidth = ScaleFromIPhone5To7Plus(110, 140)
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let buttonHeight = ScaleFromIPhone5To7Plus(35, 45)
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return OWSFlatButton.button(title:title,
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titleColor:UIColor.white,
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backgroundColor:color,
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width:buttonWidth,
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height:buttonHeight,
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target:target,
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selector:action)
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}
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// MARK: - Event Handlers
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func donePressed(sender: UIButton) {
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dismiss(animated: true, completion:nil)
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}
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func cancelPressed(sender: UIButton) {
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dismiss(animated: true, completion:nil)
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}
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func sendPressed(sender: UIButton) {
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let successCompletion = self.successCompletion
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dismiss(animated: true, completion: {
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successCompletion?()
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})
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}
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func audioPlayButtonPressed(sender: UIButton) {
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audioPlayer?.togglePlayState()
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}
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// MARK: - OWSAudioAttachmentPlayerDelegate
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public func isAudioPlaying() -> Bool {
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return isAudioPlayingFlag
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}
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public func setIsAudioPlaying(_ isAudioPlaying: Bool) {
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isAudioPlayingFlag = isAudioPlaying
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updateAudioStatusLabel()
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}
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public func isPaused() -> Bool {
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return isAudioPaused
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}
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public func setIsPaused(_ isPaused: Bool) {
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isAudioPaused = isPaused
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}
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public func setAudioProgress(_ progress: CGFloat, duration: CGFloat) {
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audioProgressSeconds = progress
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audioDurationSeconds = duration
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updateAudioStatusLabel()
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}
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private func updateAudioStatusLabel() {
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guard let audioStatusLabel = self.audioStatusLabel else {
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owsFail("Missing audio status label")
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return
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}
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if isAudioPlayingFlag && audioProgressSeconds > 0 && audioDurationSeconds > 0 {
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audioStatusLabel.text = String(format:"%@ / %@",
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ViewControllerUtils.formatDurationSeconds(Int(round(self.audioProgressSeconds))),
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ViewControllerUtils.formatDurationSeconds(Int(round(self.audioDurationSeconds))))
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} else {
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audioStatusLabel.text = " "
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}
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}
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public func setAudioIconToPlay() {
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let image = UIImage(named:"audio_play_black_large")?.withRenderingMode(.alwaysTemplate)
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assert(image != nil)
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audioPlayButton?.setImage(image, for:.normal)
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audioPlayButton?.imageView?.tintColor = UIColor.ows_materialBlue()
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}
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public func setAudioIconToPause() {
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let image = UIImage(named:"audio_pause_black_large")?.withRenderingMode(.alwaysTemplate)
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assert(image != nil)
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audioPlayButton?.setImage(image, for:.normal)
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audioPlayButton?.imageView?.tintColor = UIColor.ows_materialBlue()
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}
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}
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