feat(Instagram): Add Hide navigation buttons patch (#5678)

Co-authored-by: LisoUseInAIKyrios <[email protected]>
Co-authored-by: oSumAtrIX <[email protected]>

Author: 3 people

patches/api/patches.api

@@ -264,6 +264,10 @@ public final class app/revanced/patches/instagram/ads/HideAdsPatchKt {
 	public static final fun getHideAdsPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }
 
+public final class app/revanced/patches/instagram/hide/navigation/HideNavigationButtonsKt {
+	public static final fun getHideNavigationButtonsPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
+}
+
 public final class app/revanced/patches/instagram/misc/signature/SignatureCheckPatchKt {
 	public static final fun getSignatureCheckPatch ()Lapp/revanced/patcher/patch/BytecodePatch;
 }

patches/src/main/kotlin/app/revanced/patches/instagram/hide/navigation/Fingerprints.kt

@@ -0,0 +1,29 @@
+
+package app.revanced.patches.instagram.hide.navigation
+
+import app.revanced.patcher.fingerprint
+import com.android.tools.smali.dexlib2.Opcode
+
+internal val tabCreateButtonsLoopStartFingerprint = fingerprint {
+    returns("V")
+    strings("InstagramMainActivity.createTabButtons")
+    opcodes(
+        //Loop Start
+        Opcode.IF_GE, // Check if index is finished (index, size)
+        //Injection
+        Opcode.INVOKE_INTERFACE,
+        Opcode.MOVE_RESULT_OBJECT
+    )
+}
+
+internal val tabCreateButtonsLoopEndFingerprint = fingerprint {
+    returns("V")
+    strings("InstagramMainActivity.createTabButtons")
+    opcodes(
+        Opcode.IPUT_OBJECT,
+        // Injection Jump
+        Opcode.ADD_INT_LIT8, //Increase Index
+        Opcode.GOTO_16 // Jump to loopStart
+        // LoopEnd
+        )
+}

patches/src/main/kotlin/app/revanced/patches/instagram/hide/navigation/HideNavigationButtons.kt

@@ -0,0 +1,78 @@
+package app.revanced.patches.instagram.hide.navigation
+
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.patch.booleanOption
+import app.revanced.patcher.patch.bytecodePatch
+import app.revanced.patcher.util.smali.ExternalLabel
+import app.revanced.util.findFreeRegister
+import com.android.tools.smali.dexlib2.iface.instruction.TwoRegisterInstruction
+import java.util.logging.Logger
+
+@Suppress("unused")
+val hideNavigationButtonsPatch = bytecodePatch(
+    name = "Hide navigation buttons",
+    description = "Hides navigation bar buttons, such as the Reels and Create button.",
+    use = false
+) {
+    compatibleWith("com.instagram.android")
+
+    val hideReels by booleanOption(
+        key = "hideReels",
+        default = true,
+        title = "Hide Reels"
+    )
+
+    val hideCreate by booleanOption(
+        key = "hideCreate",
+        default = true,
+        title = "Hide Create"
+    )
+
+    execute {
+        if (!hideReels!! && !hideCreate!!) {
+            return@execute Logger.getLogger(this::class.java.name).warning(
+                "No hide navigation buttons options are enabled. No changes made."
+            )
+        }
+
+        tabCreateButtonsLoopStartFingerprint.method.apply {
+                // Check the current loop index, and skip over adding the
+                // navigation button view if the index matches a given button.
+
+                val startIndex = tabCreateButtonsLoopStartFingerprint.patternMatch!!.startIndex
+                val endIndex = tabCreateButtonsLoopEndFingerprint.patternMatch!!.endIndex
+                val insertIndex = startIndex + 1
+                val loopIndexRegister = getInstruction<TwoRegisterInstruction>(startIndex).registerA
+                val freeRegister = findFreeRegister(insertIndex, loopIndexRegister)
+                val instruction = getInstruction(endIndex - 1)
+
+                var instructions = buildString {
+                    if (hideCreate!!) {
+                        appendLine(
+                            """
+                                const v$freeRegister, 0x2
+                                if-eq v$freeRegister, v$loopIndexRegister, :skipAddView
+                            """
+                        )
+                    }
+
+                    if (hideReels!!) {
+                        appendLine(
+                            """
+                                const v$freeRegister, 0x3
+                                if-eq v$freeRegister, v$loopIndexRegister, :skipAddView
+                            """
+                        )
+                    }
+                }
+
+                addInstructionsWithLabels(
+                    insertIndex,
+                    instructions,
+                    ExternalLabel("skipAddView", instruction)
+                )
+            }
+        }
+    }
+