forked from GitHub-Mirror/riotX-android
47 lines
1.5 KiB
Kotlin
47 lines
1.5 KiB
Kotlin
/*
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* Copyright 2019 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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package im.vector.riotredesign.features.home.room.detail.timeline.helper
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import androidx.recyclerview.widget.RecyclerView
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class TimelineMediaSizeProvider {
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lateinit var recyclerView: RecyclerView
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private var cachedSize: Pair<Int, Int>? = null
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fun getMaxSize(): Pair<Int, Int> {
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return cachedSize ?: computeMaxSize().also { cachedSize = it }
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}
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private fun computeMaxSize(): Pair<Int, Int> {
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val width = recyclerView.width
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val height = recyclerView.height
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val maxImageWidth: Int
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val maxImageHeight: Int
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// landscape / portrait
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if (width < height) {
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maxImageWidth = Math.round(width * 0.7f)
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maxImageHeight = Math.round(height * 0.5f)
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} else {
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maxImageWidth = Math.round(width * 0.5f)
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maxImageHeight = Math.round(height * 0.7f)
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}
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return Pair(maxImageWidth, maxImageHeight)
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}
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} |