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fix(PR): Media file Picker and added mapper by RSR

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fix MediaFilePicker on snap13.79 and added mapper
This commit is contained in:
ΞTΞRNAL
2026-02-18 11:43:03 +05:30
committed by GitHub
parent 8eea50e745 1ac1542384
commit 5935afb6e1
4 changed files with 101 additions and 27 deletions
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76
core/src/main/kotlin/me/eternal/purrfectsnap/core/features/impl/experiments/MediaFilePicker.kt
View File

@@ -48,6 +48,7 @@ import me.eternal.purrfectsnap.core.ui.ViewAppearanceHelper
import me.eternal.purrfectsnap.core.util.dataBuilder
import me.eternal.purrfectsnap.core.util.hook.HookStage
import me.eternal.purrfectsnap.core.util.hook.hook
import me.eternal.purrfectsnap.mapper.impl.ChatMediaDrawerMapper
import java.io.InputStream
import java.lang.reflect.Method
import kotlin.random.Random
@@ -62,14 +63,27 @@ class MediaFilePicker : Feature("Media File Picker") {
onNextActivityCreate(defer = true) {
lateinit var chatMediaDrawerActionHandler: Any
lateinit var sendItemsMethod: Method
var sendItemsMethod: Method? = null
var drawerViewClass: Class<*>? = null
var sendItemsListItemClassFallback: Class<*>? = null
findClass("com.snap.composer.memories.ChatMediaDrawer").genericSuperclass?.getTypeArguments()?.getOrNull(1)?.apply {
methods.first {
it.parameterTypes.size == 1 && it.parameterTypes[0].name.endsWith("ChatMediaDrawerActionHandler")
}.also { method ->
sendItemsMethod = method.parameterTypes[0].methods.first { it.name == "sendItems" }
}.hook(HookStage.AFTER) {
context.mappings.useMapper(ChatMediaDrawerMapper::class) {
val drawerCls = chatMediaDrawerClass.getAsClass() ?: return@useMapper
val actionHandlerCls = actionHandlerClass.getAsClass() ?: return@useMapper
val sendItemsName = sendItemsMethodName.getAsString() ?: "sendItems"
drawerViewClass = drawerCls
sendItemsListItemClassFallback = sendItemsListItemClass.getAsClass()
val contextType = drawerCls.genericSuperclass?.getTypeArguments()?.getOrNull(1) ?: return@useMapper
val handlerParamMethod = contextType.methods.firstOrNull { method ->
method.parameterTypes.size == 1 && (
method.parameterTypes[0].name.endsWith("ChatMediaDrawerActionHandler") ||
actionHandlerCls.isAssignableFrom(method.parameterTypes[0])
)
} ?: return@useMapper
val sendItems = handlerParamMethod.parameterTypes[0].methods.firstOrNull { it.name == sendItemsName } ?: return@useMapper
sendItemsMethod = sendItems
handlerParamMethod.hook(HookStage.AFTER) {
chatMediaDrawerActionHandler = it.arg(0)
}
}
@@ -102,7 +116,7 @@ class MediaFilePicker : Feature("Media File Picker") {
}
context.event.subscribe(ActivityResultEvent::class) { event ->
if (event.requestCode != requestCode || event.resultCode != Activity.RESULT_OK) return@subscribe
if (sendItemsMethod == null || event.requestCode != requestCode || event.resultCode != Activity.RESULT_OK) return@subscribe
requestCode = null
firstVideoId = context.androidContext.contentResolver.query(
@@ -128,25 +142,35 @@ class MediaFilePicker : Feature("Media File Picker") {
}
fun sendMedia() {
sendItemsMethod.invoke(chatMediaDrawerActionHandler, listOf<Any>(), listOf(
sendItemsMethod.genericParameterTypes[1].getTypeArguments().first().dataBuilder {
from("_item") {
set("_cameraRollSource", "Snapchat")
set("_contentUri", "")
set("_durationMs", 0.0)
set("_disabled", false)
set("_imageRotation", 0.0)
set("_width", 1080.0)
set("_height", 1920.0)
set("_timestampMs", System.currentTimeMillis().toDouble())
from("_itemId") {
set("_itemId", firstVideoId.toString())
set("_type", "VIDEO")
}
val method = sendItemsMethod ?: return
val itemClass = method.genericParameterTypes.getOrNull(1)?.getTypeArguments()?.firstOrNull()
?: sendItemsListItemClassFallback
if (itemClass == null) {
context.log.warn("MediaFilePicker: sendItems second parameter type has no generic info (type erasure). genericParameterTypes[1]=${method.genericParameterTypes.getOrNull(1)}")
context.inAppOverlay.showStatusToast(Icons.Default.Error, "Failed to send media (incompatible version).")
return
}
val item = itemClass.dataBuilder {
from("_item") {
set("_cameraRollSource", "Snapchat")
set("_contentUri", "")
set("_durationMs", 0.0)
set("_disabled", false)
set("_imageRotation", 0.0)
set("_width", 1080.0)
set("_height", 1920.0)
set("_timestampMs", System.currentTimeMillis().toDouble())
from("_itemId") {
set("_itemId", firstVideoId.toString())
set("_type", "VIDEO")
}
set("_order", 0.0)
}
))
set("_order", 0.0)
} ?: run {
context.inAppOverlay.showStatusToast(Icons.Default.Error, "Failed to build media item.")
return
}
method.invoke(chatMediaDrawerActionHandler, listOf<Any>(), listOf(item))
}
fun startConversion(audioOnly: Boolean) {
@@ -204,7 +228,7 @@ class MediaFilePicker : Feature("Media File Picker") {
val buttonTag = Random.nextInt(0, 65535)
context.event.subscribe(AddViewEvent::class) { event ->
if (event.parent !is FrameLayout || !event.view::class.java.name.endsWith("ChatMediaDrawer")) return@subscribe
if (event.parent !is FrameLayout || drawerViewClass?.isInstance(event.view) != true) return@subscribe
event.view.addOnAttachStateChangeListener(object: View.OnAttachStateChangeListener {
override fun onViewAttachedToWindow(v: View) {

3
gradle.properties
View File

@@ -1,6 +1,7 @@
org.gradle.jvmargs=-Xms2G -Xmx4G -Dfile.encoding=UTF-8 --enable-native-access=ALL-UNNAMED
org.gradle.parallel=true
org.gradle.workers.max=8
# Limit workers to avoid R8/minify file locking on Windows (classes.dex in use by another process)
org.gradle.workers.max=1
android.useAndroidX=true
kotlin.code.style=official
android.nonTransitiveRClass=true

1
mapper/src/main/kotlin/me/eternal/purrfectsnap/mapper/ClassMapper.kt
View File

@@ -40,6 +40,7 @@ class ClassMapper(
COFObservableMapper(),
FoldingLayoutMapper(),
PlatformClientAttestationMapper(),
ChatMediaDrawerMapper(),
)
}

48
mapper/src/main/kotlin/me/eternal/purrfectsnap/mapper/impl/ChatMediaDrawerMapper.kt Normal file
View File

@@ -0,0 +1,48 @@
package me.eternal.purrfectsnap.mapper.impl
import me.eternal.purrfectsnap.mapper.AbstractClassMapper
import me.eternal.purrfectsnap.mapper.ext.getClassName
import me.eternal.purrfectsnap.mapper.ext.getSuperClassName
class ChatMediaDrawerMapper : AbstractClassMapper("ChatMediaDrawer") {
val chatMediaDrawerClass = classReference("chatMediaDrawerClass")
val actionHandlerClass = classReference("actionHandlerClass")
val sendItemsMethodName = string("sendItemsMethodName")
/** List element type for sendItems(List, List) second parameter — used when generic type is erased. */
val sendItemsListItemClass = classReference("sendItemsListItemClass")
init {
mapper {
val drawerClass = classes.firstOrNull { clazz ->
val name = clazz.getClassName()
val superName = clazz.getSuperClassName() ?: return@firstOrNull false
name.contains("ChatMediaDrawer") &&
!name.contains("ActionHandler") &&
superName.contains("ValdiGeneratedRootView")
} ?: return@mapper
val actionHandlerClazz = classes.firstOrNull { clazz ->
clazz.getClassName().contains("ChatMediaDrawerActionHandler")
} ?: return@mapper
val sendItemsMethod = actionHandlerClazz.methods.firstOrNull { method ->
method.name == "sendItems" && method.parameterTypes.size == 2
} ?: actionHandlerClazz.methods.firstOrNull { method ->
method.parameterTypes.size == 2 &&
method.parameterTypes[0].startsWith("Ljava/util/") &&
method.parameterTypes[1].startsWith("Ljava/util/")
} ?: return@mapper
chatMediaDrawerClass.set(drawerClass.getClassName().replace("/", "."))
actionHandlerClass.set(actionHandlerClazz.getClassName().replace("/", "."))
sendItemsMethodName.set(sendItemsMethod.name)
// Find the list item type (e.g. Azc) by structure: has _order and _item (Valdi schema)
val listItemClass = classes.firstOrNull { clazz ->
val fieldNames = clazz.fields.map { it.name }.toSet()
fieldNames.contains("_order") && fieldNames.contains("_item")
}
listItemClass?.let { sendItemsListItemClass.set(it.getClassName().replace("/", ".")) }
}
}
}