42 lines
1.8 KiB
Swift
42 lines
1.8 KiB
Swift
//
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// Copyright 2023 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 SwiftUI
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extension View {
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/// Constrains the max height of a media item in the timeline, whilst preserving its aspect ratio.
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@ViewBuilder
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func timelineMediaFrame(height contentHeight: CGFloat?, aspectRatio contentAspectRatio: CGFloat?) -> some View {
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let minMediaHeight = 100.0
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let maxMediaHeight = 300.0
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if let contentHeight, contentHeight < minMediaHeight { // Special case very small images
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aspectRatio(contentAspectRatio, contentMode: .fit)
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.frame(minHeight: minMediaHeight, maxHeight: minMediaHeight)
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} else {
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if let contentAspectRatio {
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aspectRatio(contentAspectRatio, contentMode: .fit)
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.frame(maxHeight: min(maxMediaHeight, max(minMediaHeight, contentHeight ?? .infinity)))
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// Required to prevent the reply details to get higher priority in rendering the width of the view.
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.aspectRatio(contentAspectRatio, contentMode: .fit)
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} else { // Otherwise let the image load and use its native aspect ratio with a max height
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aspectRatio(contentMode: .fit)
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.frame(maxHeight: maxMediaHeight)
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}
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}
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}
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}
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