Samuel Newman
42 lines
1.3 KiB
Swift
42 lines
1.3 KiB
Swift
import ExpoModulesCore
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import MCEmojiPicker
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class EmojiPickerView: ExpoView, MCEmojiPickerDelegate {
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let onEmojiSelected = EventDispatcher()
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required init(appContext: AppContext? = nil) {
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super.init(appContext: appContext)
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let tapGesture = UITapGestureRecognizer(target: self, action: #selector(handleTap(_:)))
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self.addGestureRecognizer(tapGesture)
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}
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@objc func handleTap(_ gesture: UITapGestureRecognizer) {
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presentEmojiPicker()
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}
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func presentEmojiPicker() {
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let emojiPicker = MCEmojiPickerViewController()
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let reactRootVC = reactViewController()
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emojiPicker.sourceView = self
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emojiPicker.delegate = self
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emojiPicker.arrowDirection = preferredArrowDirection()
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reactRootVC?.present(emojiPicker, animated: true)
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}
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/// If the trigger sits in the bottom third of the screen there isn't enough
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/// room below it for a usable popover, so anchor the picker above instead.
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private func preferredArrowDirection() -> MCPickerArrowDirection {
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guard let window = self.window else { return .up }
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let frameInWindow = self.convert(self.bounds, to: window)
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let threshold = window.bounds.height * (2.0 / 3.0)
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return frameInWindow.midY >= threshold ? .down : .up
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}
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func didGetEmoji(emoji: String) {
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onEmojiSelected([
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"emoji": emoji
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])
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}
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}
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