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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.systemui.controls.management
import android.content.ComponentName
import android.content.res.Resources
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import androidx.lifecycle.Lifecycle
import androidx.lifecycle.LifecycleOwner
import androidx.recyclerview.widget.RecyclerView
import com.android.systemui.R
import com.android.systemui.controls.ControlsServiceInfo
import java.text.Collator
import java.util.concurrent.Executor
/**
* Adapter for binding [ControlsServiceInfo] related to [ControlsProviderService].
*
* This class handles subscribing and keeping track of the list of valid applications for
* displaying.
*
* @param uiExecutor an executor on the view thread of the containing [RecyclerView]
* @param lifecycle the lifecycle of the containing [LifecycleOwner] to control listening status
* @param controlsListingController the controller to keep track of valid applications
* @param layoutInflater an inflater for the views in the containing [RecyclerView]
* @param onAppSelected a callback to indicate that an app has been selected in the list.
*/
class AppAdapter(
backgroundExecutor: Executor,
uiExecutor: Executor,
lifecycle: Lifecycle,
controlsListingController: ControlsListingController,
private val layoutInflater: LayoutInflater,
private val onAppSelected: (ComponentName?) -> Unit = {},
private val favoritesRenderer: FavoritesRenderer,
private val resources: Resources
) : RecyclerView.Adapter<AppAdapter.Holder>() {
private var listOfServices = emptyList<ControlsServiceInfo>()
private val callback = object : ControlsListingController.ControlsListingCallback {
override fun onServicesUpdated(serviceInfos: List<ControlsServiceInfo>) {
backgroundExecutor.execute {
val collator = Collator.getInstance(resources.configuration.locales[0])
val localeComparator = compareBy<ControlsServiceInfo, CharSequence>(collator) {
it.loadLabel()
}
listOfServices = serviceInfos.sortedWith(localeComparator)
uiExecutor.execute(::notifyDataSetChanged)
}
}
}
init {
controlsListingController.observe(lifecycle, callback)
}
override fun onCreateViewHolder(parent: ViewGroup, i: Int): Holder {
return Holder(layoutInflater.inflate(R.layout.controls_app_item, parent, false),
favoritesRenderer)
}
override fun getItemCount() = listOfServices.size
override fun onBindViewHolder(holder: Holder, index: Int) {
holder.bindData(listOfServices[index])
holder.itemView.setOnClickListener {
onAppSelected(ComponentName.unflattenFromString(listOfServices[index].key))
}
}
/**
* Holder for binding views in the [RecyclerView]-
*/
class Holder(view: View, val favRenderer: FavoritesRenderer) : RecyclerView.ViewHolder(view) {
private val icon: ImageView = itemView.requireViewById(com.android.internal.R.id.icon)
private val title: TextView = itemView.requireViewById(com.android.internal.R.id.title)
private val favorites: TextView = itemView.requireViewById(R.id.favorites)
/**
* Bind data to the view
* @param data Information about the [ControlsProviderService] to bind to the data
*/
fun bindData(data: ControlsServiceInfo) {
icon.setImageDrawable(data.loadIcon())
title.text = data.loadLabel()
val text = favRenderer.renderFavoritesForComponent(data.componentName)
favorites.text = text
favorites.visibility = if (text == null) View.GONE else View.VISIBLE
}
}
}
class FavoritesRenderer(
private val resources: Resources,
private val favoriteFunction: (ComponentName) -> Int
) {
fun renderFavoritesForComponent(component: ComponentName): String? {
val qty = favoriteFunction(component)
if (qty != 0) {
return resources.getQuantityString(R.plurals.controls_number_of_favorites, qty, qty)
} else {
return null
}
}
}
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