Update FontsModule.kt
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OTKUSteyler
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1 changed files with 70 additions and 48 deletions
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@ -1,22 +1,30 @@
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@file:Suppress("DEPRECATION")
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package GoonXposed.xposed.tweaks.appearance
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package GoonXposed.xposed.modules.appearance
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import android.content.Context
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import android.content.res.AssetManager
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import android.graphics.Typeface
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import android.graphics.Typeface.CustomFallbackBuilder
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import android.graphics.fonts.Font
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import android.graphics.fonts.FontFamily
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import android.os.Build
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import GoonXposed.Logger
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import GoonXposed.xposed.*
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import GoonXposed.xposed.tweaks.GoonXposedPayloadBuilder
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import GoonXposed.xposed.Constants
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import GoonXposed.xposed.Module
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import GoonXposed.xposed.Utils.Companion.JSON
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import GoonXposed.xposed.Utils.Log
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import GoonXposed.xposed.hookMethod
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import GoonXposed.xposed.safeLoadClass
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import de.robv.android.xposed.callbacks.XC_LoadPackage
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import io.ktor.client.*
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import io.ktor.client.call.*
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import io.ktor.client.engine.cio.*
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import io.ktor.client.request.*
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import io.ktor.client.statement.*
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import io.ktor.http.*
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import kotlinx.coroutines.*
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import kotlinx.serialization.Serializable
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import kotlinx.serialization.json.JsonObjectBuilder
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import kotlinx.serialization.json.put
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import java.io.File
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import java.io.IOException
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@ -26,51 +34,62 @@ data class FontDefinition(
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val name: String? = null,
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val description: String? = null,
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val spec: Int? = null,
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val main: Map<String, String>,
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val main: Map<String, String> = emptyMap(),
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)
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/**
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* Custom font loading + ReactFontManager hijack.
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*/
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val fonts by GoonXposedTweak {
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val log: Logger = this.log
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object FontsModule : Module() {
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private val scope = CoroutineScope(SupervisorJob() + Dispatchers.IO)
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GoonXposedPayloadBuilder.contribute { put("fontPatch", 2) }
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@Deprecated("This method is deprecated in the parent class")
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override fun buildPayload(builder: JsonObjectBuilder) {
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builder.put("fontPatch", 2)
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}
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// ReactFontManager hijack runs regardless of fonts.json presence - it falls back to the default Typeface chain if no custom font file is found.
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listOf(
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"com.facebook.react.common.assets.ReactFontManager\$Companion",
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"com.facebook.react.views.text.ReactFontManager\$Companion",
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).forEach { clsName ->
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classLoader.loadClassOrNull(clsName)?.let { cls ->
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runCatching {
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cls.method("createAssetTypeface", String::class.java, Int::class.java, AssetManager::class.java).hook {
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before {
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val fontFamilyName: String = args[0].toString()
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val style: Int = args[1] as Int
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val assetManager: AssetManager = args[2] as AssetManager
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result = FontsState.createAssetTypeface(fontFamilyName, style, assetManager)
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override fun onLoad(packageParam: XC_LoadPackage.LoadPackageParam) = with(packageParam) {
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// ReactFontManager hijack runs regardless of fonts.json presence - it falls back to the
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// default Typeface chain if no custom font file is found.
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listOf(
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"com.facebook.react.common.assets.ReactFontManager\$Companion",
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"com.facebook.react.views.text.ReactFontManager\$Companion",
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).forEach { clsName ->
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classLoader.safeLoadClass(clsName)?.let { cls ->
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runCatching {
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cls.hookMethod(
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"createAssetTypeface",
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String::class.java,
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Int::class.java,
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AssetManager::class.java
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) {
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before {
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val fontFamilyName: String = args[0].toString()
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val style: Int = args[1] as Int
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val assetManager: AssetManager = args[2] as AssetManager
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result = FontsState.createAssetTypeface(fontFamilyName, style, assetManager)
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}
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}
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}
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}
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}
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}
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withAppContext { ctx ->
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val dataDir = ctx.dataDir.absolutePath
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val fontDefFile = File(dataDir, "${GoonXposedConstants.FILES_DIR}/fonts.json")
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if (!fontDefFile.exists()) return@withAppContext
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override fun onContext(context: Context) {
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val dataDir = context.dataDir.absolutePath
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val fontDefFile = File(dataDir, "${Constants.FILES_DIR}/fonts.json")
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if (!fontDefFile.exists()) return
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val fontDef = try {
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GoonXposedJson.decodeFromString<FontDefinition>(fontDefFile.readText())
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JSON.decodeFromString<FontDefinition>(fontDefFile.readText())
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} catch (e: Throwable) {
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log.w("fonts.json malformed: ${e.message}")
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return@withAppContext
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Log.w("fonts.json malformed: ${e.message}")
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return
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}
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val setName = fontDef.name ?: return@withAppContext
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val setName = fontDef.name ?: return
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val downloadsDir = File(dataDir, "${GoonXposedConstants.FILES_DIR}/downloads/fonts").apply { ensureDir() }
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val setDir = File(downloadsDir, setName).apply { ensureDir() }
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val downloadsDir = File(dataDir, "${Constants.FILES_DIR}/downloads/fonts").apply { mkdirs() }
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val setDir = File(downloadsDir, setName).apply { mkdirs() }
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FontsState.fontsDownloadsDir = downloadsDir
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FontsState.fontsAbsPath = setDir.absolutePath + "/"
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@ -80,30 +99,33 @@ val fonts by GoonXposedTweak {
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if (!fileName.startsWith(".")) {
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val fontName = fileName.split('.')[0]
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if (fontDef.main.keys.none { it == fontName }) {
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log.i("Deleting stale font file: $fileName")
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Log.i("Deleting stale font file: $fileName")
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file.delete()
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}
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}
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}
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GoonXposedScope(Dispatchers.IO).launch {
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fontDef.main.entries.map { (name, url) ->
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async {
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try {
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log.i("Downloading $name from $url")
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val ext = FontsState.FILE_EXTENSIONS.firstOrNull { url.endsWith(it) } ?: ".ttf"
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val file = File(setDir, "$name$ext")
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if (file.exists()) return@async
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file.ensureFile()
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val response: HttpResponse = GoonXposedClient.get(url)
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if (response.status == HttpStatusCode.OK) {
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file.writeBytes(response.body())
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scope.launch {
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HttpClient(CIO) {
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expectSuccess = false
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}.use { client ->
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fontDef.main.entries.map { (name, url) ->
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async {
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try {
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Log.i("Downloading $name from $url")
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val ext = FontsState.FILE_EXTENSIONS.firstOrNull { url.endsWith(it) } ?: ".ttf"
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val file = File(setDir, "$name$ext")
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if (file.exists()) return@async
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val response: HttpResponse = client.get(url)
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if (response.status == HttpStatusCode.OK) {
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file.writeBytes(response.body())
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}
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} catch (e: Throwable) {
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Log.e("Failed to download font ($name from $url)", e)
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}
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} catch (e: Throwable) {
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log.e("Failed to download font ($name from $url)", e)
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}
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}
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}.awaitAll()
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}.awaitAll()
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}
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}
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}
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}
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