1 /*
2 * Copyright (C) 2024 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package com.android.systemui.qs.panels.ui.compose
18
19 import androidx.compose.runtime.Stable
20 import com.android.compose.animation.Bounceable
21 import com.android.systemui.qs.panels.shared.model.SizedTile
22 import com.android.systemui.qs.panels.ui.viewmodel.BounceableTileViewModel
23 import com.android.systemui.qs.panels.ui.viewmodel.TileViewModel
24
25 @Stable
26 data class BounceableInfo(
27 val bounceable: BounceableTileViewModel,
28 val previousTile: Bounceable?,
29 val nextTile: Bounceable?,
30 val bounceEnd: Boolean,
31 )
32
bounceableInfonull33 fun List<BounceableTileViewModel>.bounceableInfo(
34 sizedTile: SizedTile<TileViewModel>,
35 index: Int,
36 column: Int,
37 columns: Int,
38 isFirstInRow: Boolean,
39 isLastInRow: Boolean,
40 ): BounceableInfo {
41 // A tile may be the last in the row without being on the last column
42 val onLastColumn = sizedTile.onLastColumn(column, columns)
43
44 // Only look for neighbor bounceables if they are on the same row
45 val previousTile = getOrNull(index - 1)?.takeIf { !isFirstInRow }
46 val nextTile = getOrNull(index + 1)?.takeIf { !isLastInRow }
47
48 return BounceableInfo(this[index], previousTile, nextTile, !onLastColumn)
49 }
50
onLastColumnnull51 private fun <T> SizedTile<T>.onLastColumn(column: Int, columns: Int): Boolean {
52 return column == columns - width
53 }
54