refactor: start migrating some signatures to Kotlin

src/main/kotlin/app/revanced/patches/Index.kt

@@ -1,28 +0,0 @@
-package app.revanced.patches
-
-import app.revanced.patcher.patch.Patch
-import app.revanced.patches.ad.VideoAds
-import app.revanced.patches.interaction.EnableSeekbarTapping
-import app.revanced.patches.layout.*
-import app.revanced.patches.misc.Integrations
-
-/**
- * Index contains all the patches and should be imported when using this library.
- */
-@Suppress("Unused")
-object Index {
-    /**
-     * Array of patches.
-     * New patches should be added to the array.
-     */
-    val patches: Array<() -> Patch> = arrayOf(
-        ::Integrations,
-        ::VideoAds,
-        ::MinimizedPlayback,
-        ::CreateButtonRemover,
-        ::HideReels,
-        ::HideSuggestions,
-        ::OldQualityLayout,
-        ::EnableSeekbarTapping
-    )
-}

src/main/kotlin/app/revanced/patches/ad/VideoAdsPatch.kt

@@ -9,7 +9,7 @@ import app.revanced.patcher.smali.asInstructions
 import app.revanced.patches.SHARED_METADATA
 import org.jf.dexlib2.AccessFlags
 
-class VideoAds : Patch(
+class VideoAdsPatch : Patch(
     PatchMetadata(
         "video-ads",
         "TODO",

src/main/kotlin/app/revanced/patches/interaction/EnableSeekbarTappingPatch.kt

@@ -12,7 +12,7 @@ import org.jf.dexlib2.builder.instruction.BuilderInstruction21t
 import org.jf.dexlib2.iface.Method
 import org.jf.dexlib2.iface.instruction.formats.Instruction11n
 
-class EnableSeekbarTapping : Patch(
+class EnableSeekbarTappingPatch : Patch(
     PatchMetadata(
         "enable-seekbar-tapping",
         "TODO",

src/main/kotlin/app/revanced/patches/layout/CreateButtonRemoverPatch.kt

@@ -7,7 +7,7 @@ import app.revanced.patcher.patch.PatchResult
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.smali.asInstruction
 
-class CreateButtonRemover : Patch(
+class CreateButtonRemoverPatch : Patch(
     PatchMetadata(
         "create-button-remover",
         "TODO",

src/main/kotlin/app/revanced/patches/layout/HideReelsPatch.kt

@@ -7,7 +7,7 @@ import app.revanced.patcher.patch.PatchResult
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.smali.asInstruction
 
-class HideReels : Patch(
+class HideReelsPatch : Patch(
     PatchMetadata(
         "hide-reels",
         "TODO",

src/main/kotlin/app/revanced/patches/layout/HideSuggestionsPatch.kt

@@ -17,7 +17,7 @@ import org.jf.dexlib2.iface.instruction.formats.Instruction35c
 import org.jf.dexlib2.immutable.ImmutableMethod
 import org.jf.dexlib2.immutable.ImmutableMethodImplementation
 
-class HideSuggestions : Patch(
+class HideSuggestionsPatch : Patch(
     PatchMetadata(
         "hide-suggestions",
         "TODO",

src/main/kotlin/app/revanced/patches/layout/MinimizedPlaybackPatch.kt

@@ -8,7 +8,7 @@ import app.revanced.patcher.patch.PatchResult
 import app.revanced.patcher.patch.PatchResultSuccess
 import app.revanced.patcher.smali.asInstructions
 
-class MinimizedPlayback : Patch(
+class MinimizedPlaybackPatch : Patch(
     PatchMetadata(
         "minimized-playback",
         "TODO",

src/main/kotlin/app/revanced/patches/layout/OldQualityLayoutPatch.kt

@@ -11,7 +11,7 @@ import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.Opcode
 import org.jf.dexlib2.builder.instruction.BuilderInstruction21t
 
-class OldQualityLayout : Patch(
+class OldQualityLayoutPatch : Patch(
     PatchMetadata(
         "old-quality-layout",
         "TODO",

src/main/kotlin/app/revanced/patches/misc/IntegrationsPatch.kt

@@ -13,7 +13,7 @@ import org.jf.dexlib2.AccessFlags
 import org.jf.dexlib2.immutable.ImmutableMethod
 import org.jf.dexlib2.immutable.ImmutableMethodImplementation
 
-class Integrations : Patch(
+class IntegrationsPatch : Patch(
     PatchMetadata(
         "integrations",
         "TODO",

src/main/kotlin/app/revanced/shared/Index.kt

@@ -0,0 +1,40 @@
+package app.revanced.shared
+
+import app.revanced.patcher.patch.Patch
+import app.revanced.patches.ad.VideoAdsPatch
+import app.revanced.patches.interaction.EnableSeekbarTappingPatch
+import app.revanced.patches.layout.*
+import app.revanced.patches.misc.IntegrationsPatch
+import app.revanced.signatures.SignatureSupplier
+import app.revanced.signatures.ad.VideoAdsSignature
+import app.revanced.signatures.misc.IntegrationsSignature
+
+/**
+ * Index contains all the patches and signatures.
+ */
+@Suppress("Unused")
+object Index {
+    /**
+     * Array of patches.
+     * New patches should be added to the array.
+     */
+    val patches: Array<() -> Patch> = arrayOf(
+        ::IntegrationsPatch,
+        ::VideoAdsPatch,
+        ::MinimizedPlaybackPatch,
+        ::CreateButtonRemoverPatch,
+        ::HideReelsPatch,
+        ::HideSuggestionsPatch,
+        ::OldQualityLayoutPatch,
+        ::EnableSeekbarTappingPatch
+    )
+
+    /**
+     * Array of signatures.
+     * New signatures should be added to the array.
+     */
+    val signatures: Array<() -> SignatureSupplier> = arrayOf(
+        ::IntegrationsSignature,
+        ::VideoAdsSignature,
+    )
+}

src/main/kotlin/app/revanced/signatures/SignatureSupplier.kt

@@ -0,0 +1,7 @@
+package app.revanced.signatures
+
+import app.revanced.patcher.signature.MethodSignature
+
+interface SignatureSupplier {
+    fun get(): MethodSignature
+}

src/main/kotlin/app/revanced/signatures/ad/VideoAdsSignature.kt

@@ -0,0 +1,45 @@
+package app.revanced.signatures.ad
+
+import app.revanced.patcher.extensions.AccessFlagExtensions.Companion.or
+import app.revanced.patcher.signature.*
+import app.revanced.signatures.SignatureSupplier
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+class VideoAdsSignature : SignatureSupplier {
+    override fun get() = MethodSignature(
+        "show-video-ads-constructor",
+        SignatureMetadata(
+            method = MethodMetadata(
+                definingClass = "zai",
+                methodName = "<init>",
+                comment = "YouTube v17.03.38"
+            ),
+            patcher = PatcherMetadata(
+                // FIXME: Test this threshold and find the best value.
+                resolverMethod = ResolverMethod.Fuzzy(2)
+            )
+        ),
+        "V",
+        AccessFlags.PUBLIC or AccessFlags.CONSTRUCTOR,
+        listOf("L", "L", "L"),
+        listOf(
+            Opcode.INVOKE_DIRECT,
+            Opcode.NEW_INSTANCE,
+            Opcode.INVOKE_DIRECT,
+            Opcode.IPUT_OBJECT,
+            Opcode.NEW_INSTANCE,
+            Opcode.CONST_4,
+            Opcode.INVOKE_DIRECT,
+            Opcode.IPUT_OBJECT,
+            Opcode.NEW_INSTANCE,
+            Opcode.INVOKE_DIRECT,
+            Opcode.IPUT_OBJECT,
+            Opcode.IPUT_OBJECT,
+            Opcode.IPUT_OBJECT,
+            Opcode.CONST_4,
+            Opcode.IPUT_BOOLEAN,
+            Opcode.RETURN_VOID
+        )
+    )
+}

src/main/kotlin/app/revanced/signatures/misc/IntegrationsSignature.kt

@@ -0,0 +1,60 @@
+package app.revanced.signatures.misc
+
+import app.revanced.patcher.signature.*
+import app.revanced.signatures.SignatureSupplier
+import org.jf.dexlib2.AccessFlags
+import org.jf.dexlib2.Opcode
+
+class IntegrationsSignature : SignatureSupplier {
+    override fun get() = MethodSignature(
+        "integrations-patch",
+        SignatureMetadata(
+            method = MethodMetadata(
+                definingClass = "???", // TODO: Fill this in.
+                methodName = "???", // TODO: Fill this in.
+                comment = "YouTube v17.03.38"
+            ),
+            patcher = PatcherMetadata(
+                // FIXME: Test this threshold and find the best value.
+                resolverMethod = ResolverMethod.Fuzzy(2)
+            )
+        ),
+        "V",
+        AccessFlags.PUBLIC.value,
+        listOf(),
+        listOf(
+            Opcode.SGET_OBJECT,
+            Opcode.NEW_INSTANCE,
+            Opcode.INVOKE_DIRECT,
+            Opcode.IGET_OBJECT,
+            Opcode.CONST_STRING,
+            Opcode.IF_NEZ,
+            Opcode.IGET_OBJECT,
+            Opcode.IGET_OBJECT,
+            Opcode.IGET_OBJECT,
+            Opcode.IGET_OBJECT,
+            Opcode.MOVE_OBJECT,
+            Opcode.CHECK_CAST,
+            Opcode.MOVE_OBJECT,
+            Opcode.CHECK_CAST,
+            Opcode.CONST_4,
+            Opcode.CONST_STRING,
+            Opcode.INVOKE_INTERFACE_RANGE,
+            Opcode.MOVE_RESULT_OBJECT,
+            Opcode.INVOKE_STATIC,
+            Opcode.MOVE_RESULT_OBJECT,
+            Opcode.SPUT_OBJECT,
+            Opcode.SGET_OBJECT,
+            Opcode.INVOKE_STATIC,
+            Opcode.INVOKE_STATIC,
+            Opcode.MOVE_RESULT_OBJECT,
+            Opcode.IGET_OBJECT,
+            Opcode.INVOKE_INTERFACE,
+            Opcode.MOVE_RESULT_OBJECT,
+            Opcode.CHECK_CAST,
+            Opcode.INVOKE_VIRTUAL,
+            Opcode.INVOKE_SUPER,
+            Opcode.INVOKE_VIRTUAL
+        )
+    )
+}