forked from shadowfacts/Tusker
Fix gifv playback not continuing when returning from background
Closes #506
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@ -22,6 +22,7 @@ class GifvPlayerView: UIView {
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let controller: GifvController
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private var presentationSizeCancellable: AnyCancellable?
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private var wasPlayingWhenSceneBackgrounded = false
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override var intrinsicContentSize: CGSize {
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controller.item.presentationSize
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@ -45,4 +46,30 @@ class GifvPlayerView: UIView {
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fatalError("init(coder:) has not been implemented")
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}
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override func willMove(toWindow newWindow: UIWindow?) {
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super.willMove(toWindow: newWindow)
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if let oldWindow = window,
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let oldScene = oldWindow.windowScene {
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NotificationCenter.default.removeObserver(self, name: UIScene.didEnterBackgroundNotification, object: oldScene)
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NotificationCenter.default.removeObserver(self, name: UIScene.willEnterForegroundNotification, object: oldScene)
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}
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if let newWindow,
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let newScene = newWindow.windowScene {
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NotificationCenter.default.addObserver(self, selector: #selector(sceneDidEnterBackground), name: UIScene.didEnterBackgroundNotification, object: newScene)
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NotificationCenter.default.addObserver(self, selector: #selector(sceneWillEnterForeground), name: UIScene.willEnterForegroundNotification, object: newScene)
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}
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}
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@objc private func sceneDidEnterBackground() {
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wasPlayingWhenSceneBackgrounded = controller.player.rate > 0
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}
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@objc private func sceneWillEnterForeground() {
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if wasPlayingWhenSceneBackgrounded {
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controller.play()
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}
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}
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}
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