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Cache loadSource

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This commit is contained in:
tom5079
2022-04-04 23:46:32 +09:00
parent df341c777e
commit f11dce968e
1 changed files with 16 additions and 5 deletions
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21
app/src/main/java/xyz/quaver/pupil/sources/SourceLoader.kt
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@@ -26,8 +26,12 @@ import android.graphics.drawable.Drawable
import androidx.compose.runtime.* import androidx.compose.runtime.*
import androidx.compose.ui.platform.LocalContext import androidx.compose.ui.platform.LocalContext
import dalvik.system.PathClassLoader import dalvik.system.PathClassLoader
import kotlinx.coroutines.coroutineScope
import kotlinx.coroutines.delay import kotlinx.coroutines.delay
import kotlinx.coroutines.sync.Mutex
import kotlinx.coroutines.sync.withLock
import xyz.quaver.pupil.sources.core.Source import xyz.quaver.pupil.sources.core.Source
import java.util.concurrent.ConcurrentHashMap
private const val SOURCES_FEATURE = "pupil.sources" private const val SOURCES_FEATURE = "pupil.sources"
private const val SOURCES_PACKAGE_PREFIX = "xyz.quaver.pupil.sources" private const val SOURCES_PACKAGE_PREFIX = "xyz.quaver.pupil.sources"
@@ -77,12 +81,19 @@ fun loadSource(context: Context, packageInfo: PackageInfo): List<SourceEntry> {
}.orEmpty() }.orEmpty()
} }
fun loadSource(context: Context, sourceEntry: SourceEntry): Source { private val sourceCacheMutex = Mutex()
val classLoader = PathClassLoader(sourceEntry.sourceDir, null, context.classLoader) private val sourceCache = mutableMapOf<String, Source>()
return Class.forName("${sourceEntry.packagePath}${sourceEntry.sourcePath}", false, classLoader) suspend fun loadSource(context: Context, sourceEntry: SourceEntry): Source = coroutineScope {
.getConstructor(Application::class.java) sourceCacheMutex.withLock {
.newInstance(context.applicationContext) as Source sourceCache[sourceEntry.packageName] ?: run {
val classLoader = PathClassLoader(sourceEntry.sourceDir, null, context.classLoader)
Class.forName("${sourceEntry.packagePath}${sourceEntry.sourcePath}", false, classLoader)
.getConstructor(Application::class.java)
.newInstance(context.applicationContext) as Source
}.also { sourceCache[sourceEntry.packageName] = it }
}
} }
fun updateSources(context: Context): List<SourceEntry> { fun updateSources(context: Context): List<SourceEntry> {