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@ -1,3 +1,4 @@
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import UIKit
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final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate, QuoteViewDelegate, LinkPreviewViewDelegate, MentionSelectionViewDelegate {
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private weak var delegate: InputViewDelegate?
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@ -16,10 +17,18 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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set { inputTextView.text = newValue }
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}
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var isEnabled: Bool = true {
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didSet {
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setEnabled(isEnabled, message: nil)
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}
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}
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override var intrinsicContentSize: CGSize { CGSize.zero }
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var lastSearchedText: String? { nil }
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// MARK: UI Components
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private var bottomStackView: UIStackView?
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private lazy var attachmentsButton = ExpandingAttachmentsButton(delegate: delegate)
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private lazy var voiceMessageButton: InputViewButton = {
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@ -29,6 +38,7 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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return result
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}()
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private lazy var sendButton: InputViewButton = {
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let result = InputViewButton(icon: #imageLiteral(resourceName: "ArrowUp"), isSendButton: true, delegate: self)
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result.isHidden = true
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@ -66,6 +76,17 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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let maxWidth = UIScreen.main.bounds.width - 2 * InputViewButton.expandedSize - 2 * Values.smallSpacing - 2 * (Values.mediumSpacing - adjustment)
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return InputTextView(delegate: self, maxWidth: maxWidth)
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}()
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private lazy var disabledInputLabel: UILabel = {
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let label: UILabel = UILabel()
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label.translatesAutoresizingMaskIntoConstraints = false
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label.font = UIFont.systemFont(ofSize: Values.smallFontSize)
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label.textColor = Colors.text.withAlphaComponent(Values.mediumOpacity)
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label.textAlignment = .center
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label.alpha = 0
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return label
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}()
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private lazy var additionalContentContainer = UIView()
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@ -109,6 +130,7 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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bottomStackView.axis = .horizontal
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bottomStackView.spacing = Values.smallSpacing
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bottomStackView.alignment = .center
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self.bottomStackView = bottomStackView
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// Main stack view
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let mainStackView = UIStackView(arrangedSubviews: [ additionalContentContainer, bottomStackView ])
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mainStackView.axis = .vertical
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@ -119,6 +141,16 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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mainStackView.pin(.top, to: .bottom, of: separator)
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mainStackView.pin([ UIView.HorizontalEdge.leading, UIView.HorizontalEdge.trailing ], to: self)
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mainStackView.pin(.bottom, to: .bottom, of: self)
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addSubview(disabledInputLabel)
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NSLayoutConstraint.activate([
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disabledInputLabel.topAnchor.constraint(equalTo: mainStackView.topAnchor),
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disabledInputLabel.leftAnchor.constraint(equalTo: mainStackView.leftAnchor),
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disabledInputLabel.rightAnchor.constraint(equalTo: mainStackView.rightAnchor),
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disabledInputLabel.heightAnchor.constraint(equalToConstant: InputViewButton.expandedSize)
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])
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// Mentions
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insertSubview(mentionsViewContainer, belowSubview: mainStackView)
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mentionsViewContainer.pin([ UIView.HorizontalEdge.left, UIView.HorizontalEdge.right ], to: self)
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@ -216,6 +248,19 @@ final class InputView : UIView, InputViewButtonDelegate, InputTextViewDelegate,
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}.retainUntilComplete()
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}
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func setEnabled(_ enabled: Bool, message: String?) {
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guard isEnabled != enabled else { return }
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isEnabled = enabled
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disabledInputLabel.text = (message ?? "")
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UIView.animate(withDuration: 0.3) { [weak self] in
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self?.bottomStackView?.alpha = (enabled ? 1 : 0)
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self?.voiceMessageButton.alpha = (enabled ? 1 : 0)
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self?.disabledInputLabel.alpha = (enabled ? 0 : 1)
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}
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}
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// MARK: Interaction
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override func hitTest(_ point: CGPoint, with event: UIEvent?) -> UIView? {
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// Needed so that the user can tap the buttons when the expanding attachments button is expanded
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Morgan Pretty
3 years ago