99 lines
3.2 KiB
Swift
99 lines
3.2 KiB
Swift
//
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// Copyright (c) 2019 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, OWSQuotedMessageViewDelegate {
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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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@available(*, unavailable, message:"use other constructor instead.")
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required init(coder aDecoder: NSCoder) {
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notImplemented()
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}
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@available(*, unavailable, message:"use other constructor instead.")
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override init(frame: CGRect) {
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notImplemented()
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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: UIContentSizeCategory.didChangeNotification, object: nil)
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}
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private let draftMarginTop: CGFloat = 6
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func updateContents() {
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subviews.forEach { $0.removeFromSuperview() }
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let hMargin: CGFloat = 6
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self.layoutMargins = UIEdgeInsets(top: draftMarginTop,
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left: hMargin,
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bottom: 0,
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right: hMargin)
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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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quotedMessageView.delegate = self
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self.quotedMessageView = quotedMessageView
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quotedMessageView.setContentHuggingHorizontalLow()
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quotedMessageView.setCompressionResistanceHorizontalLow()
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quotedMessageView.backgroundColor = .clear
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self.addSubview(quotedMessageView)
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quotedMessageView.ows_autoPinToSuperviewMargins()
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updateHeight()
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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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owsFailDebug("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 + draftMarginTop
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}
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@objc func contentSizeCategoryDidChange(_ notification: Notification) {
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Logger.debug("")
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updateContents()
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}
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// MARK: - OWSQuotedMessageViewDelegate
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@objc public func didTapQuotedReply(_ quotedReply: OWSQuotedReplyModel, failedThumbnailDownloadAttachmentPointer attachmentPointer: TSAttachmentPointer) {
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// Do nothing.
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}
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@objc public func didCancelQuotedReply() {
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self.delegate?.quotedReplyPreviewDidPressCancel(self)
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}
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}
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