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.launcher3.allapps; 18 19 import android.content.Context; 20 import android.util.AttributeSet; 21 import android.view.ViewGroup; 22 import android.widget.ImageView; 23 24 import androidx.annotation.VisibleForTesting; 25 import androidx.constraintlayout.widget.ConstraintLayout; 26 27 import com.android.launcher3.R; 28 import com.android.launcher3.views.ActivityContext; 29 30 public class FloatingMaskView extends ConstraintLayout { 31 32 private final ActivityContext mActivityContext; 33 private ImageView mBottomBox; 34 FloatingMaskView(Context context)35 public FloatingMaskView(Context context) { 36 this(context, null, 0); 37 } 38 FloatingMaskView(Context context, AttributeSet attrs)39 public FloatingMaskView(Context context, AttributeSet attrs) { 40 this(context, attrs, 0); 41 } 42 FloatingMaskView(Context context, AttributeSet attrs, int defStyleAttr)43 public FloatingMaskView(Context context, AttributeSet attrs, int defStyleAttr) { 44 super(context, attrs, defStyleAttr); 45 mActivityContext = ActivityContext.lookupContext(context); 46 } 47 48 @Override onFinishInflate()49 protected void onFinishInflate() { 50 super.onFinishInflate(); 51 mBottomBox = findViewById(R.id.bottom_box); 52 } 53 54 @Override onLayout(boolean changed, int left, int top, int right, int bottom)55 protected void onLayout(boolean changed, int left, int top, int right, int bottom) { 56 super.onLayout(changed, left, top, right, bottom); 57 setParameters((ViewGroup.MarginLayoutParams) getLayoutParams(), 58 mActivityContext.getAppsView().getActiveRecyclerView()); 59 } 60 61 @VisibleForTesting setParameters(ViewGroup.MarginLayoutParams lp, AllAppsRecyclerView recyclerView)62 void setParameters(ViewGroup.MarginLayoutParams lp, AllAppsRecyclerView recyclerView) { 63 if (lp != null) { 64 lp.rightMargin = recyclerView.getPaddingRight(); 65 lp.leftMargin = recyclerView.getPaddingLeft(); 66 getBottomBox().setMinimumHeight(recyclerView.getPaddingBottom()); 67 } 68 } 69 70 @VisibleForTesting getBottomBox()71 ImageView getBottomBox() { 72 return mBottomBox; 73 } 74 } 75