1 /* 2 * Copyright (C) 2020 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.controls.management 18 19 import android.view.LayoutInflater 20 import android.view.View 21 import android.view.ViewGroup 22 import androidx.recyclerview.widget.GridLayoutManager 23 import androidx.recyclerview.widget.RecyclerView 24 import com.android.systemui.R 25 26 class StructureAdapter( 27 private val models: List<StructureContainer> 28 ) : RecyclerView.Adapter<StructureAdapter.StructureHolder>() { 29 onCreateViewHoldernull30 override fun onCreateViewHolder(parent: ViewGroup, p1: Int): StructureHolder { 31 val layoutInflater = LayoutInflater.from(parent.context) 32 return StructureHolder( 33 layoutInflater.inflate(R.layout.controls_structure_page, parent, false) 34 ) 35 } 36 getItemCountnull37 override fun getItemCount() = models.size 38 39 override fun onBindViewHolder(holder: StructureHolder, index: Int) { 40 holder.bind(models[index].model) 41 } 42 43 class StructureHolder(view: View) : RecyclerView.ViewHolder(view) { 44 45 private val recyclerView: RecyclerView 46 private val controlAdapter: ControlAdapter 47 <lambda>null48 init { 49 recyclerView = itemView.requireViewById<RecyclerView>(R.id.listAll) 50 val elevation = itemView.context.resources.getFloat(R.dimen.control_card_elevation) 51 controlAdapter = ControlAdapter(elevation) 52 setUpRecyclerView() 53 } 54 bindnull55 fun bind(model: ControlsModel) { 56 controlAdapter.changeModel(model) 57 } 58 setUpRecyclerViewnull59 private fun setUpRecyclerView() { 60 val margin = itemView.context.resources 61 .getDimensionPixelSize(R.dimen.controls_card_margin) 62 val itemDecorator = MarginItemDecorator(margin, margin) 63 val spanCount = ControlAdapter.findMaxColumns(itemView.resources) 64 65 recyclerView.apply { 66 this.adapter = controlAdapter 67 layoutManager = GridLayoutManager(recyclerView.context, spanCount).apply { 68 spanSizeLookup = object : GridLayoutManager.SpanSizeLookup() { 69 override fun getSpanSize(position: Int): Int { 70 return if (adapter?.getItemViewType(position) 71 != ControlAdapter.TYPE_CONTROL) spanCount else 1 72 } 73 } 74 } 75 addItemDecoration(itemDecorator) 76 } 77 } 78 } 79 }