65 lines
2.7 KiB
Swift
65 lines
2.7 KiB
Swift
//
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// Copyright 2022-2024 New Vector Ltd.
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//
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// SPDX-License-Identifier: AGPL-3.0-only
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// Please see LICENSE in the repository root for full details.
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//
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import UIKit
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/// Provider for mention Pills attachment view.
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@available(iOS 15.0, *)
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@objc class PillAttachmentViewProvider: NSTextAttachmentViewProvider {
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// MARK: - Properties
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static let pillAttachmentViewSizes = PillAttachmentView.Sizes(verticalMargin: 2.0,
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horizontalMargin: 6.0,
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avatarLeading: 2.0,
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avatarSideLength: 16.0,
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itemSpacing: 4)
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private weak var messageTextView: UITextView?
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private var pillViewFlusher: PillViewFlusher? {
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messageTextView as? PillViewFlusher
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}
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// MARK: - Override
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override init(textAttachment: NSTextAttachment, parentView: UIView?, textLayoutManager: NSTextLayoutManager?, location: NSTextLocation) {
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super.init(textAttachment: textAttachment, parentView: parentView, textLayoutManager: textLayoutManager, location: location)
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// Keep a reference to the parent text view for size adjustments and pills flushing.
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messageTextView = parentView?.superview as? UITextView
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}
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override func loadView() {
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super.loadView()
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guard let textAttachment = self.textAttachment as? PillTextAttachment else {
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MXLog.failure("[PillAttachmentViewProvider]: attachment is missing or not of expected class")
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return
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}
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guard var pillData = textAttachment.data else {
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MXLog.failure("[PillAttachmentViewProvider]: attachment misses pill data")
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return
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}
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if let messageTextView {
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pillData.maxWidth = messageTextView.bounds.width - 8
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}
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let mainSession = AppDelegate.theDelegate().mxSessions.first as? MXSession
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let pillView = PillAttachmentView(frame: CGRect(origin: .zero, size: textAttachment.size(forFont: pillData.font)),
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sizes: Self.pillAttachmentViewSizes,
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theme: ThemeService.shared().theme,
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mediaManager: mainSession?.mediaManager,
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andPillData: pillData)
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view = pillView
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if let pillViewFlusher {
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pillViewFlusher.registerPillView(pillView)
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} else {
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MXLog.failure("[PillAttachmentViewProvider]: no handler found, pill will not be flushed properly")
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}
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}
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}
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