97 lines
3.0 KiB
Swift
97 lines
3.0 KiB
Swift
//
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// Copyright (c) 2018 Open Whisper Systems. All rights reserved.
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//
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import Foundation
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@objc
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protocol QuotedReplyPreviewDelegate: class {
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func quotedReplyPreviewDidPressCancel(_ preview: QuotedReplyPreview)
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}
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@objc
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class QuotedReplyPreview: UIView {
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@objc
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public weak var delegate: QuotedReplyPreviewDelegate?
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private let quotedReply: OWSQuotedReplyModel
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private let conversationStyle: ConversationStyle
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private var quotedMessageView: OWSQuotedMessageView?
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private var heightConstraint: NSLayoutConstraint!
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@objc
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required init?(coder aDecoder: NSCoder) {
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fatalError("init(coder:) has not been implemented")
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}
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@objc
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init(quotedReply: OWSQuotedReplyModel, conversationStyle: ConversationStyle) {
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self.quotedReply = quotedReply
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self.conversationStyle = conversationStyle
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super.init(frame: .zero)
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self.heightConstraint = self.autoSetDimension(.height, toSize: 0)
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updateContents()
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NotificationCenter.default.addObserver(self, selector: #selector(contentSizeCategoryDidChange), name: .UIContentSizeCategoryDidChange, object: nil)
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}
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func updateContents() {
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subviews.forEach { $0.removeFromSuperview() }
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// We instantiate quotedMessageView late to ensure that it is updated
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// every time contentSizeCategoryDidChange (i.e. when dynamic type
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// sizes changes).
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let quotedMessageView = OWSQuotedMessageView(forPreview: quotedReply, conversationStyle: conversationStyle)
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self.quotedMessageView = quotedMessageView
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quotedMessageView.backgroundColor = .clear
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let cancelButton: UIButton = UIButton(type: .custom)
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let buttonImage: UIImage = #imageLiteral(resourceName: "quoted-message-cancel").withRenderingMode(.alwaysTemplate)
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cancelButton.setImage(buttonImage, for: .normal)
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cancelButton.imageView?.tintColor = .darkGray
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cancelButton.addTarget(self, action: #selector(didTapCancel), for: .touchUpInside)
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self.layoutMargins = .zero
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self.addSubview(quotedMessageView)
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self.addSubview(cancelButton)
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quotedMessageView.autoPinEdges(toSuperviewMarginsExcludingEdge: .trailing)
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cancelButton.autoPinEdges(toSuperviewMarginsExcludingEdge: .leading)
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cancelButton.autoPinEdge(.leading, to: .trailing, of: quotedMessageView)
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cancelButton.autoSetDimensions(to: CGSize(width: 40, height: 40))
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updateHeight()
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}
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// MARK: Actions
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@objc
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func didTapCancel(_ sender: Any) {
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self.delegate?.quotedReplyPreviewDidPressCancel(self)
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}
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// MARK: Sizing
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func updateHeight() {
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guard let quotedMessageView = quotedMessageView else {
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owsFail("\(logTag) missing quotedMessageView")
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return
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}
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let size = quotedMessageView.size(forMaxWidth: CGFloat.infinity)
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self.heightConstraint.constant = size.height
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}
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@objc func contentSizeCategoryDidChange(_ notification: Notification) {
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Logger.debug("\(self.logTag) in \(#function)")
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updateContents()
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}
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}
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