ui/material2/src/androidMain/kotlin/OpenSourceLicensesActivity.kt
changeset 38 764faee147cc
parent 34 ce299aacc068
child 39 b14d574cc2b1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ui/material2/src/androidMain/kotlin/OpenSourceLicensesActivity.kt	Tue Apr 22 17:56:14 2025 -0400
@@ -0,0 +1,115 @@
+/*
+ * AboutOss is an utility library to retrieve and display
+ * opensource licenses in Android applications.
+ *
+ * Copyright (C) 2023-2025 by Frederic-Charles Barthelery.
+ *
+ * This file is part of AboutOss.
+ *
+ * AboutOss is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * AboutOss is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with AboutOss.  If not, see <http://www.gnu.org/licenses/>.
+ */
+package com.geekorum.aboutoss.ui.material
+
+import android.net.Uri
+import android.os.Bundle
+import androidx.activity.compose.setContent
+import androidx.activity.viewModels
+import androidx.compose.material.MaterialTheme
+import androidx.compose.runtime.Composable
+import androidx.navigation.compose.NavHost
+import androidx.navigation.compose.composable
+import androidx.navigation.compose.rememberNavController
+import com.geekorum.aboutoss.core.gms.GmsLicenseInfoRepository
+import com.geekorum.aboutoss.ui.common.BaseOpensourceLicenseActivity
+import com.geekorum.aboutoss.ui.common.Factory
+import com.geekorum.aboutoss.ui.common.OpenSourceLicensesViewModel
+import com.geekorum.aboutoss.ui.material.OpenSourceLicensesActivity.Companion.themeProvider
+import kotlinx.coroutines.Dispatchers
+
+/**
+ * Activity to display opensource license information
+ *
+ * This activity use Material compose to create the UI.
+ * You can specify the Material theme to use by setting [themeProvider]
+ * before launching the activity
+ */
+open class OpenSourceLicensesActivity : BaseOpensourceLicenseActivity() {
+    override val viewModel: OpenSourceLicensesViewModel by viewModels(
+        factoryProducer = {
+            val gmsLicenseInfoRepository = GmsLicenseInfoRepository(
+                appContext = applicationContext,
+                mainCoroutineDispatcher = Dispatchers.Main,
+                ioCoroutineDispatcher = Dispatchers.IO,
+            )
+            OpenSourceLicensesViewModel.Factory(gmsLicenseInfoRepository)
+        }
+    )
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContent {
+            themeProvider {
+                DependencyNavHost(
+                    openSourceLicensesViewModel = viewModel,
+                    navigateUp = {
+                        if (!onNavigateUp()) {
+                            finish()
+                        }
+                    }
+                )
+            }
+        }
+    }
+
+    companion object {
+        /**
+         * The composable Theme function to set the theme of the UI in [OpenSourceLicensesActivity]
+         * Default to base material theme [MaterialTheme]
+         */
+        var themeProvider: @Composable (@Composable () -> Unit) -> Unit = { content ->
+            MaterialTheme(content = content)
+        }
+    }
+}
+
+
+@Composable
+fun DependencyNavHost(
+    openSourceLicensesViewModel: OpenSourceLicensesViewModel,
+    navigateUp: () -> Unit
+) {
+    val navController = rememberNavController()
+    NavHost(navController, startDestination = "dependencies") {
+        composable("dependencies") {
+            OpenSourceDependenciesListScreen(
+                viewModel = openSourceLicensesViewModel,
+                onDependencyClick = {
+                    navController.navigate("dependency_license/${Uri.encode(it)}")
+                },
+                onUpClick = navigateUp
+            )
+        }
+        composable("dependency_license/{dependency}") {
+            val dependency = requireNotNull(it.arguments?.getString("dependency"))
+            OpenSourceLicenseScreen(
+                viewModel = openSourceLicensesViewModel,
+                dependency = dependency,
+                onUpClick = {
+                    navController.popBackStack()
+                },
+            )
+        }
+    }
+}
+