4def45a57b
* Fixes #276 - Rebuilt room timeline: - Removed the need for the ListCollectionViewAdapter - Rewrote the TimelineItemList without using introspection - Added ReversedScrollView for laying out items at the bottom/trailing - Rewrote TimelineProvider diffing through CollectionDifference (similar to the RoomSummaryProvider) - Added back `scrollDismissesKeyboard` behavior - Various other tweaks and fixes - Fixed various warnings: - removed async AttributedStringBuilder as AttributedString is non-sendable, made the RoomTimelineItemFactory synchronous - removed unused virtual timeline items - removed unused isOutgoing property from the FormattedBodyText * Make TimelineItemContextMenuActions indentifiable and specify contextMenu identifiers * Bump the matrix-rust-components-swift to v1.0.16-alpha * Add changes file and changelog contribution guide * Fix attributed string builder unit tests
69 lines
2.3 KiB
Swift
69 lines
2.3 KiB
Swift
//
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// Copyright 2022 New Vector Ltd
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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//
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import Combine
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import Foundation
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import SwiftUI
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import Introspect
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struct TimelineView: View {
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@State private var bottomVisiblePublisher = CurrentValueSubject<Bool, Never>(true)
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@State private var scrollToBottomPublisher = PassthroughSubject<Void, Never>()
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@State private var scollToBottomButtonVisible = false
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var body: some View {
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ZStack(alignment: .bottomTrailing) {
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TimelineItemList(bottomVisiblePublisher: bottomVisiblePublisher, scrollToBottomPublisher: scrollToBottomPublisher)
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scrollToBottomButton
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}
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}
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@ViewBuilder
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private var scrollToBottomButton: some View {
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Button(action: {
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scrollToBottomPublisher.send(())
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}, label: {
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Image(uiImage: Asset.Images.timelineScrollToBottom.image)
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.shadow(radius: 2.0)
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.padding()
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})
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.onReceive(bottomVisiblePublisher, perform: { visible in
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scollToBottomButtonVisible = !visible
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})
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.opacity(scollToBottomButtonVisible ? 1.0 : 0.0)
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.animation(.elementDefault, value: scollToBottomButtonVisible)
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}
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}
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struct TimelineView_Previews: PreviewProvider {
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static var previews: some View {
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body.preferredColorScheme(.light)
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body.preferredColorScheme(.dark)
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}
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@ViewBuilder
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static var body: some View {
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let viewModel = RoomScreenViewModel(timelineController: MockRoomTimelineController(),
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timelineViewFactory: RoomTimelineViewFactory(),
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mediaProvider: MockMediaProvider(),
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roomName: nil)
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TimelineView()
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.environmentObject(viewModel.context)
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}
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}
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