3362e5d14a
Add PrintRepository for display Print services. Bug: 320076351 Flag: com.android.settings.flags.refactor_print_settings Test: manual Test: unit test Change-Id: I1ea52508d504161675eeffeb3ec077caa641cb2c
77 lines
2.9 KiB
Kotlin
77 lines
2.9 KiB
Kotlin
/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.android.settings.print
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import android.content.Context
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import android.graphics.drawable.Drawable
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import android.print.PrintManager
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import android.printservice.PrintServiceInfo
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import com.android.settings.R
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import com.android.settingslib.spa.framework.util.mapItem
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import kotlinx.coroutines.Dispatchers
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import kotlinx.coroutines.channels.awaitClose
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import kotlinx.coroutines.flow.Flow
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import kotlinx.coroutines.flow.callbackFlow
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import kotlinx.coroutines.flow.conflate
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import kotlinx.coroutines.flow.flowOn
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import kotlinx.coroutines.flow.map
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class PrintRepository(private val context: Context) {
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private val printManager = context.getSystemService(PrintManager::class.java)!!
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private val packageManager = context.packageManager
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data class PrintServiceDisplayInfo(
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val title: String,
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val isEnabled: Boolean,
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val summary: String,
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val icon: Drawable,
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val componentName: String,
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)
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fun printServiceDisplayInfosFlow(): Flow<List<PrintServiceDisplayInfo>> =
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printServicesFlow()
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.mapItem { printService -> printService.toPrintServiceDisplayInfo() }
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.conflate()
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.flowOn(Dispatchers.Default)
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private fun PrintServiceInfo.toPrintServiceDisplayInfo() = PrintServiceDisplayInfo(
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title = resolveInfo.loadLabel(packageManager).toString(),
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isEnabled = isEnabled,
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summary = context.getString(
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if (isEnabled) R.string.print_feature_state_on else R.string.print_feature_state_off
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),
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icon = resolveInfo.loadIcon(packageManager),
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componentName = componentName.flattenToString(),
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)
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private fun printServicesFlow(): Flow<List<PrintServiceInfo>> =
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printManager.printServicesChangeFlow()
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.map { printManager.getPrintServices(PrintManager.ALL_SERVICES) }
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.conflate()
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.flowOn(Dispatchers.Default)
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private companion object {
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fun PrintManager.printServicesChangeFlow(): Flow<Unit> = callbackFlow {
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val listener = PrintManager.PrintServicesChangeListener { trySend(Unit) }
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addPrintServicesChangeListener(listener, null)
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trySend(Unit)
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awaitClose { removePrintServicesChangeListener(listener) }
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}.conflate().flowOn(Dispatchers.Default)
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}
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}
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