1 /*

     2  * AboutOss is an utility library to retrieve and display

     3  * opensource licenses in Android applications.

     4  *

     5  * Copyright (C) 2023-2025 by Frederic-Charles Barthelery.

     6  *

     7  * This file is part of AboutOss.

     8  *

     9  * AboutOss is free software: you can redistribute it and/or modify

    10  * it under the terms of the GNU General Public License as published by

    11  * the Free Software Foundation, either version 3 of the License, or

    12  * (at your option) any later version.

    13  *

    14  * AboutOss is distributed in the hope that it will be useful,

    15  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    17  * GNU General Public License for more details.

    18  *

    19  * You should have received a copy of the GNU General Public License

    20  * along with AboutOss.  If not, see <http://www.gnu.org/licenses/>.

    21  */

    22 package com.geekorum.aboutoss.ui.common

    23 

    24 import androidx.lifecycle.ViewModel

    25 import androidx.lifecycle.viewModelScope

    26 import com.geekorum.aboutoss.core.LicenseInfoRepository

    27 import kotlinx.coroutines.flow.SharingStarted

    28 import kotlinx.coroutines.flow.flow

    29 import kotlinx.coroutines.flow.map

    30 import kotlinx.coroutines.flow.stateIn

    31 

    32 /**

    33  * Manage opensource license information and allow to display them in an UI

    34  */

    35 class OpenSourceLicensesViewModel(

    36     private val licenseInfoRepository: LicenseInfoRepository,

    37     private val browserLauncher: BrowserLauncher,

    38 ) : ViewModel() {

    39     init {

    40         browserLauncher.warmUp()

    41     }

    42 

    43     private val licensesInfo = flow {

    44         emit(licenseInfoRepository.getLicensesInfo())

    45     }.stateIn(viewModelScope, SharingStarted.WhileSubscribed(5000), emptyMap())

    46 

    47     val dependenciesList = licensesInfo.map { licensesInfo ->

    48         licensesInfo.keys.sortedBy { it.lowercase() }

    49     }

    50 

    51     fun getLicenseDependency(dependency: String) = flow {

    52         emit(licenseInfoRepository.getLicenseFor(dependency))

    53     }

    54 

    55     fun openLinkInBrowser(link: String) {

    56         browserLauncher.launchUrl(link)

    57     }

    58 

    59     fun mayLaunchUrl(vararg uris: String) = browserLauncher.mayLaunchUrl(*uris)

    60 

    61     override fun onCleared() {

    62         browserLauncher.shutdown()

    63     }

    64 

    65     companion object

    66 }