revanced-patches/src/main/kotlin/app/revanced/patches/youtube/layout/returnyoutubedislike/ReturnYouTubeDislikePatch.kt

359 lines
18 KiB
Kotlin

package app.revanced.patches.youtube.layout.returnyoutubedislike
import app.revanced.patcher.data.BytecodeContext
import app.revanced.patcher.extensions.InstructionExtensions.addInstructions
import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
import app.revanced.patcher.fingerprint.MethodFingerprint
import app.revanced.patcher.patch.BytecodePatch
import app.revanced.patcher.patch.PatchException
import app.revanced.patcher.patch.annotation.CompatiblePackage
import app.revanced.patcher.patch.annotation.Patch
import app.revanced.patches.all.misc.resources.AddResourcesPatch
import app.revanced.patches.shared.misc.settings.preference.IntentPreference
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.ConversionContextFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.DislikeFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.LikeFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RemoveLikeFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RollingNumberMeasureAnimatedTextFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RollingNumberMeasureStaticLabelFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RollingNumberMeasureStaticLabelParentFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RollingNumberSetterFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.RollingNumberTextViewFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.ShortsTextViewFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.TextComponentConstructorFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.TextComponentDataFingerprint
import app.revanced.patches.youtube.layout.returnyoutubedislike.fingerprints.TextComponentLookupFingerprint
import app.revanced.patches.youtube.misc.litho.filter.LithoFilterPatch
import app.revanced.patches.youtube.misc.playertype.PlayerTypeHookPatch
import app.revanced.patches.youtube.misc.settings.SettingsPatch
import app.revanced.patches.youtube.misc.settings.SettingsResourcePatch
import app.revanced.patches.youtube.shared.fingerprints.RollingNumberTextViewAnimationUpdateFingerprint
import app.revanced.patches.youtube.video.videoid.VideoIdPatch
import app.revanced.util.exception
import app.revanced.util.getReference
import app.revanced.util.indexOfFirstInstruction
import app.revanced.util.resultOrThrow
import com.android.tools.smali.dexlib2.Opcode
import com.android.tools.smali.dexlib2.iface.instruction.FiveRegisterInstruction
import com.android.tools.smali.dexlib2.iface.instruction.OneRegisterInstruction
import com.android.tools.smali.dexlib2.iface.instruction.ReferenceInstruction
import com.android.tools.smali.dexlib2.iface.instruction.TwoRegisterInstruction
import com.android.tools.smali.dexlib2.iface.reference.FieldReference
import com.android.tools.smali.dexlib2.iface.reference.MethodReference
import com.android.tools.smali.dexlib2.iface.reference.TypeReference
@Patch(
name = "Return YouTube Dislike",
description = "Adds an option to show the dislike count of videos using the Return YouTube Dislike API.",
dependencies = [
SettingsPatch::class,
LithoFilterPatch::class,
VideoIdPatch::class,
PlayerTypeHookPatch::class,
],
compatiblePackages = [
CompatiblePackage(
"com.google.android.youtube", [
"18.49.37",
"19.01.34",
"19.02.39",
"19.03.36",
"19.04.38",
"19.05.36",
"19.06.39",
"19.07.40",
"19.08.36",
"19.09.38",
"19.10.39",
"19.11.43"
]
)
]
)
@Suppress("unused")
object ReturnYouTubeDislikePatch : BytecodePatch(
setOf(
ConversionContextFingerprint,
TextComponentConstructorFingerprint,
TextComponentDataFingerprint,
ShortsTextViewFingerprint,
LikeFingerprint,
DislikeFingerprint,
RemoveLikeFingerprint,
RollingNumberSetterFingerprint,
RollingNumberMeasureStaticLabelParentFingerprint,
RollingNumberMeasureAnimatedTextFingerprint,
RollingNumberTextViewFingerprint,
RollingNumberTextViewAnimationUpdateFingerprint
)
) {
private const val INTEGRATIONS_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/youtube/patches/ReturnYouTubeDislikePatch;"
private const val FILTER_CLASS_DESCRIPTOR =
"Lapp/revanced/integrations/youtube/patches/components/ReturnYouTubeDislikeFilterPatch;"
override fun execute(context: BytecodeContext) {
AddResourcesPatch(this::class)
SettingsResourcePatch += IntentPreference(
key = "revanced_settings_screen_09",
titleKey = "revanced_ryd_settings_title",
summaryKey = null,
intent = SettingsPatch.newIntent("revanced_ryd_settings_intent"),
)
// region Inject newVideoLoaded event handler to update dislikes when a new video is loaded.
VideoIdPatch.hookVideoId("$INTEGRATIONS_CLASS_DESCRIPTOR->newVideoLoaded(Ljava/lang/String;)V")
// Hook the player response video id, to start loading RYD sooner in the background.
VideoIdPatch.hookPlayerResponseVideoId("$INTEGRATIONS_CLASS_DESCRIPTOR->preloadVideoId(Ljava/lang/String;Z)V")
// endregion
// region Hook like/dislike/remove like button clicks to send votes to the API.
listOf(
LikeFingerprint.toPatch(Vote.LIKE),
DislikeFingerprint.toPatch(Vote.DISLIKE),
RemoveLikeFingerprint.toPatch(Vote.REMOVE_LIKE)
).forEach { (fingerprint, vote) ->
fingerprint.result?.mutableMethod?.apply {
addInstructions(
0,
"""
const/4 v0, ${vote.value}
invoke-static {v0}, $INTEGRATIONS_CLASS_DESCRIPTOR->sendVote(I)V
"""
)
} ?: throw fingerprint.exception
}
// endregion
// region Hook code for creation and cached lookup of text Spans.
// Alternatively the hook can be made at the creation of Spans in TextComponentSpec,
// And it works in all situations except it fails to update the Span when the user dislikes,
// since the underlying (likes only) text did not change.
// This hook handles all situations, as it's where the created Spans are stored and later reused.
TextComponentConstructorFingerprint.result?.let { textConstructorResult ->
// Find the field name of the conversion context.
val conversionContextClassType = ConversionContextFingerprint.resultOrThrow().classDef.type
val conversionContextField = textConstructorResult.classDef.fields.find {
it.type == conversionContextClassType
} ?: throw PatchException("Could not find conversion context field")
TextComponentLookupFingerprint.resolve(context, textConstructorResult.classDef)
TextComponentLookupFingerprint.resultOrThrow().mutableMethod.apply {
// Find the instruction for creating the text data object.
val textDataClassType = TextComponentDataFingerprint.resultOrThrow().classDef.type
val insertIndex = indexOfFirstInstruction {
opcode == Opcode.NEW_INSTANCE &&
getReference<TypeReference>()?.type == textDataClassType
}
if (insertIndex < 0) throw PatchException("Could not find data creation instruction")
val tempRegister = getInstruction<OneRegisterInstruction>(insertIndex).registerA
// Find the instruction that sets the span to an instance field.
// The instruction is only a few lines after the creation of the instance.
// The method has multiple iput-object instructions using a CharSequence,
// so verify the found instruction is in the expected location.
val putFieldInstruction = implementation!!.instructions
.subList(insertIndex, insertIndex + 20)
.find {
it.opcode == Opcode.IPUT_OBJECT &&
it.getReference<FieldReference>()?.type == "Ljava/lang/CharSequence;"
} ?: throw PatchException("Could not find put object instruction")
val charSequenceRegister = (putFieldInstruction as TwoRegisterInstruction).registerA
addInstructions(
insertIndex,
"""
# Copy conversion context
move-object/from16 v$tempRegister, p0
iget-object v$tempRegister, v$tempRegister, $conversionContextField
invoke-static {v$tempRegister, v$charSequenceRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->onLithoTextLoaded(Ljava/lang/Object;Ljava/lang/CharSequence;)Ljava/lang/CharSequence;
move-result-object v$charSequenceRegister
"""
)
}
} ?: throw TextComponentConstructorFingerprint.exception
// endregion
// region Hook for non-litho Short videos.
ShortsTextViewFingerprint.result?.let {
it.mutableMethod.apply {
val patternResult = it.scanResult.patternScanResult!!
// If the field is true, the TextView is for a dislike button.
val isDisLikesBooleanReference = getInstruction<ReferenceInstruction>(patternResult.endIndex).reference
val textViewFieldReference = // Like/Dislike button TextView field
getInstruction<ReferenceInstruction>(patternResult.endIndex - 1).reference
// Check if the hooked TextView object is that of the dislike button.
// If RYD is disabled, or the TextView object is not that of the dislike button, the execution flow is not interrupted.
// Otherwise, the TextView object is modified, and the execution flow is interrupted to prevent it from being changed afterward.
val insertIndex = patternResult.startIndex + 6
addInstructionsWithLabels(
insertIndex,
"""
# Check, if the TextView is for a dislike button
iget-boolean v0, p0, $isDisLikesBooleanReference
if-eqz v0, :is_like
# Hook the TextView, if it is for the dislike button
iget-object v0, p0, $textViewFieldReference
invoke-static {v0}, $INTEGRATIONS_CLASS_DESCRIPTOR->setShortsDislikes(Landroid/view/View;)Z
move-result v0
if-eqz v0, :ryd_disabled
return-void
:is_like
:ryd_disabled
nop
"""
)
}
} ?: throw ShortsTextViewFingerprint.exception
// endregion
// region Hook for litho Shorts
// Filter that parses the video id from the UI
LithoFilterPatch.addFilter(FILTER_CLASS_DESCRIPTOR)
// Player response video id is needed to search for the video ids in Shorts litho components.
VideoIdPatch.hookPlayerResponseVideoId("$FILTER_CLASS_DESCRIPTOR->newPlayerResponseVideoId(Ljava/lang/String;Z)V")
// endregion
// region Hook rolling numbers.
// Do this last to allow patching old unsupported versions (if the user really wants),
// On older unsupported version this will fail to resolve and throw an exception,
// but everything will still work correctly anyways.
RollingNumberSetterFingerprint.result?.let {
val dislikesIndex = it.scanResult.patternScanResult!!.endIndex
it.mutableMethod.apply {
val insertIndex = 1
val charSequenceInstanceRegister =
getInstruction<OneRegisterInstruction>(0).registerA
val charSequenceFieldReference =
getInstruction<ReferenceInstruction>(dislikesIndex).reference
val registerCount = implementation!!.registerCount
// This register is being overwritten, so it is free to use.
val freeRegister = registerCount - 1
val conversionContextRegister = registerCount - parameters.size + 1
addInstructions(
insertIndex,
"""
iget-object v$freeRegister, v$charSequenceInstanceRegister, $charSequenceFieldReference
invoke-static {v$conversionContextRegister, v$freeRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->onRollingNumberLoaded(Ljava/lang/Object;Ljava/lang/String;)Ljava/lang/String;
move-result-object v$freeRegister
iput-object v$freeRegister, v$charSequenceInstanceRegister, $charSequenceFieldReference
"""
)
}
} ?: throw RollingNumberSetterFingerprint.exception
// Rolling Number text views use the measured width of the raw string for layout.
// Modify the measure text calculation to include the left drawable separator if needed.
RollingNumberMeasureAnimatedTextFingerprint.result?.also {
val scanResult = it.scanResult.patternScanResult!!
// Additional check to verify the opcodes are at the start of the method
if (scanResult.startIndex != 0) throw PatchException("Unexpected opcode location")
val endIndex = scanResult.endIndex
it.mutableMethod.apply {
val measuredTextWidthRegister = getInstruction<OneRegisterInstruction>(endIndex).registerA
addInstructions(
endIndex + 1,
"""
invoke-static {p1, v$measuredTextWidthRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->onRollingNumberMeasured(Ljava/lang/String;F)F
move-result v$measuredTextWidthRegister
"""
)
}
} ?: throw RollingNumberMeasureAnimatedTextFingerprint.exception
// Additional text measurement method. Used if YouTube decides not to animate the likes count
// and sometimes used for initial video load.
RollingNumberMeasureStaticLabelFingerprint.resolve(context, RollingNumberMeasureStaticLabelParentFingerprint.resultOrThrow().classDef)
RollingNumberMeasureStaticLabelFingerprint.result?.also {
val measureTextIndex = it.scanResult.patternScanResult!!.startIndex + 1
it.mutableMethod.apply {
val freeRegister = getInstruction<TwoRegisterInstruction>(0).registerA
addInstructions(
measureTextIndex + 1,
"""
move-result v$freeRegister
invoke-static {p1, v$freeRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->onRollingNumberMeasured(Ljava/lang/String;F)F
"""
)
}
} ?: throw RollingNumberMeasureStaticLabelFingerprint.exception
// The rolling number Span is missing styling since it's initially set as a String.
// Modify the UI text view and use the styled like/dislike Span.
RollingNumberTextViewFingerprint.result?.let {
// Initial TextView is set in this method.
val initiallyCreatedTextViewMethod = it.mutableMethod
// Videos less than 24 hours after uploaded, like counts will be updated in real time.
// Whenever like counts are updated, TextView is set in this method.
val realTimeUpdateTextViewMethod =
RollingNumberTextViewAnimationUpdateFingerprint.result?.mutableMethod
?: throw RollingNumberTextViewAnimationUpdateFingerprint.exception
arrayOf(
initiallyCreatedTextViewMethod,
realTimeUpdateTextViewMethod
).forEach { insertMethod ->
insertMethod.apply {
val setTextIndex = indexOfFirstInstruction {
getReference<MethodReference>()?.name == "setText"
}
val textViewRegister =
getInstruction<FiveRegisterInstruction>(setTextIndex).registerC
val textSpanRegister =
getInstruction<FiveRegisterInstruction>(setTextIndex).registerD
addInstructions(
setTextIndex,
"""
invoke-static {v$textViewRegister, v$textSpanRegister}, $INTEGRATIONS_CLASS_DESCRIPTOR->updateRollingNumber(Landroid/widget/TextView;Ljava/lang/CharSequence;)Ljava/lang/CharSequence;
move-result-object v$textSpanRegister
"""
)
}
}
} ?: throw RollingNumberTextViewFingerprint.exception
// endregion
}
private fun MethodFingerprint.toPatch(voteKind: Vote) = VotePatch(this, voteKind)
private data class VotePatch(val fingerprint: MethodFingerprint, val voteKind: Vote)
private enum class Vote(val value: Int) {
LIKE(1),
DISLIKE(-1),
REMOVE_LIKE(0)
}
}