From 5d1de4f4eab83e61cfc1c4aaee74179afcb9431f Mon Sep 17 00:00:00 2001
From: badawoll <129878899+badawoll@users.noreply.github.com>
Date: Tue, 16 May 2023 03:39:19 +0000
Subject: [PATCH] feat(messenger): add `disable-typing-indicator` patch (#2115)

Co-authored-by: oSumAtrIX <johan.melkonyan1@web.de>
---
 .../SendTypingIndicatorFingerprint.kt         | 15 ++++++++++
 .../patch/DisableTypingIndicator.kt           | 29 +++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/messenger/inputfield/fingerprints/SendTypingIndicatorFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/messenger/inputfield/patch/DisableTypingIndicator.kt

diff --git a/src/main/kotlin/app/revanced/patches/messenger/inputfield/fingerprints/SendTypingIndicatorFingerprint.kt b/src/main/kotlin/app/revanced/patches/messenger/inputfield/fingerprints/SendTypingIndicatorFingerprint.kt
new file mode 100644
index 000000000..cff25ae29
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/messenger/inputfield/fingerprints/SendTypingIndicatorFingerprint.kt
@@ -0,0 +1,15 @@
+package app.revanced.patches.messenger.inputfield.fingerprints
+
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import org.jf.dexlib2.dexbacked.value.DexBackedStringEncodedValue
+
+object SendTypingIndicatorFingerprint : MethodFingerprint(
+    returnType = "V",
+    parameters = listOf(),
+    customFingerprint = { methodDef, classDef ->
+        methodDef.name == "run" && classDef.fields.any {
+            it.name == "__redex_internal_original_name"
+                    && (it.initialValue as? DexBackedStringEncodedValue)?.value == "ConversationTypingContext\$sendActiveStateRunnable\$1"
+        }
+    }
+)
diff --git a/src/main/kotlin/app/revanced/patches/messenger/inputfield/patch/DisableTypingIndicator.kt b/src/main/kotlin/app/revanced/patches/messenger/inputfield/patch/DisableTypingIndicator.kt
new file mode 100644
index 000000000..d25d46ed9
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/messenger/inputfield/patch/DisableTypingIndicator.kt
@@ -0,0 +1,29 @@
+package app.revanced.patches.messenger.inputfield.patch
+
+import app.revanced.extensions.toErrorResult
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.annotation.Package
+import app.revanced.patcher.annotation.Version
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.replaceInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.PatchResult
+import app.revanced.patcher.patch.PatchResultSuccess
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patches.messenger.inputfield.fingerprints.SendTypingIndicatorFingerprint
+
+@Patch
+@Name("disable-typing-indicator")
+@Description("Disables the indicator while typing a message")
+@Compatibility([Package("com.facebook.orca")])
+@Version("0.0.1")
+class DisableTypingIndicator : BytecodePatch(listOf(SendTypingIndicatorFingerprint)) {
+    override fun execute(context: BytecodeContext): PatchResult {
+        SendTypingIndicatorFingerprint.result?.mutableMethod?.replaceInstruction(0, "return-void")
+            ?: throw SendTypingIndicatorFingerprint.toErrorResult()
+
+        return PatchResultSuccess()
+    }
+}