1 /*
2 * Copyright 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 * https://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 @file:JvmName("ResolverDrawerLayoutExt")
18
19 package com.android.intentresolver.widget
20
21 import android.graphics.Rect
22 import android.view.View
23 import android.view.ViewGroup.MarginLayoutParams
24
getVisibleDrawerRectnull25 fun ResolverDrawerLayout.getVisibleDrawerRect(outRect: Rect) {
26 if (!isLaidOut) {
27 outRect.set(0, 0, 0, 0)
28 return
29 }
30 val firstChild = firstNonGoneChild()
31 val lp = firstChild?.layoutParams as? MarginLayoutParams
32 val margin = lp?.topMargin ?: 0
33 val top = maxOf(paddingTop, topOffset + margin)
34 val leftEdge = paddingLeft
35 val rightEdge = width - paddingRight
36 val widthAvailable = rightEdge - leftEdge
37 val childWidth = firstChild?.width ?: 0
38 val left = leftEdge + (widthAvailable - childWidth) / 2
39 val right = left + childWidth
40 outRect.set(left, top, right, height - paddingBottom)
41 }
42
firstNonGoneChildnull43 fun ResolverDrawerLayout.firstNonGoneChild(): View? {
44 for (i in 0 until childCount) {
45 val view = getChildAt(i)
46 if (view.visibility != View.GONE) {
47 return view
48 }
49 }
50 return null
51 }
52