Files
Pupil/app/src/main/java/xyz/quaver/pupil/sources/SourceLoader.kt
2021-12-31 14:03:52 +09:00

94 lines
3.1 KiB
Kotlin

/*
* Pupil, Hitomi.la viewer for Android
* Copyright (C) 2020 tom5079
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package xyz.quaver.pupil.sources
import android.app.Application
import android.content.Context
import android.content.pm.PackageInfo
import android.content.pm.PackageManager
import android.graphics.drawable.Drawable
import android.util.Log
import dalvik.system.DexClassLoader
import dalvik.system.PathClassLoader
import org.kodein.di.*
import org.kodein.di.bindings.NoArgBindingDI
import org.kodein.di.bindings.NoArgDIBinding
import java.util.*
private const val SOURCES_FEATURE = "pupil.sources"
private const val SOURCES_PACKAGE_PREFIX = "xyz.quaver.pupil.sources"
private const val SOURCES_PATH = "pupil.sources.path"
data class SourceEntry(
val name: String,
val source: Source,
val icon: Drawable
)
typealias SourceEntries = Map<String, SourceEntry>
private val sources = mutableMapOf<String, SourceEntry>()
val PackageInfo.isSourceFeatureEnabled
get() = this.reqFeatures.orEmpty().any { it.name == SOURCES_FEATURE }
fun loadSource(app: Application, packageInfo: PackageInfo) {
val packageManager = app.packageManager
val applicationInfo = packageInfo.applicationInfo
val classLoader = PathClassLoader(applicationInfo.sourceDir, null, app.classLoader)
val packageName = packageInfo.packageName
val sourceName = packageManager.getApplicationLabel(applicationInfo).toString().substringAfter("[Pupil] ")
val icon = packageManager.getApplicationIcon(applicationInfo)
packageInfo
.applicationInfo
.metaData
.getString(SOURCES_PATH)
?.split(';')
.orEmpty()
.forEach { sourcePath ->
sources[sourceName] = SourceEntry(
sourceName,
Class.forName("$packageName$sourcePath", false, classLoader)
.getConstructor(Application::class.java)
.newInstance(app) as Source,
icon
)
}
}
fun loadSources(app: Application) {
val packageManager = app.packageManager
val packages = packageManager.getInstalledPackages(
PackageManager.GET_CONFIGURATIONS or
PackageManager.GET_META_DATA
)
val sources = packages.filter { it.isSourceFeatureEnabled }
sources.forEach { loadSource(app, it) }
}
fun sourceModule(app: Application) = DI.Module(name = "source") {
loadSources(app)
bindInstance { Collections.unmodifiableMap(sources) }
}