From c89b2aa26125d302079b5cf522f3b6c9fbe1257a Mon Sep 17 00:00:00 2001
From: oSumAtrIX <johan.melkonyan1@web.de>
Date: Sat, 26 Aug 2023 17:10:21 +0200
Subject: [PATCH] feat(YouTube): Add `Enable tablet layout` patch

---
 .../EnableTabletLayoutCompatibility.kt        |  8 +++
 .../fingerprints/GetFormFactorFingerprint.kt  | 25 +++++++++
 .../tablet/patch/EnableTabletLayoutPatch.kt   | 56 +++++++++++++++++++
 3 files changed, 89 insertions(+)
 create mode 100644 src/main/kotlin/app/revanced/patches/youtube/layout/tablet/annotations/EnableTabletLayoutCompatibility.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/youtube/layout/tablet/fingerprints/GetFormFactorFingerprint.kt
 create mode 100644 src/main/kotlin/app/revanced/patches/youtube/layout/tablet/patch/EnableTabletLayoutPatch.kt

diff --git a/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/annotations/EnableTabletLayoutCompatibility.kt b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/annotations/EnableTabletLayoutCompatibility.kt
new file mode 100644
index 00000000..430281f6
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/annotations/EnableTabletLayoutCompatibility.kt
@@ -0,0 +1,8 @@
+package app.revanced.patches.youtube.layout.tablet.annotations
+
+import app.revanced.patcher.annotation.Compatibility
+import app.revanced.patcher.annotation.Package
+
+@Compatibility([Package("com.google.android.youtube")])
+@Target(AnnotationTarget.CLASS)
+internal annotation class EnableTabletLayoutCompatibility
\ No newline at end of file
diff --git a/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/fingerprints/GetFormFactorFingerprint.kt b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/fingerprints/GetFormFactorFingerprint.kt
new file mode 100644
index 00000000..da576067
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/fingerprints/GetFormFactorFingerprint.kt
@@ -0,0 +1,25 @@
+package app.revanced.patches.youtube.layout.tablet.fingerprints
+
+import app.revanced.patcher.extensions.or
+import app.revanced.patcher.fingerprint.method.impl.MethodFingerprint
+import com.android.tools.smali.dexlib2.AccessFlags
+import com.android.tools.smali.dexlib2.Opcode
+
+object GetFormFactorFingerprint : MethodFingerprint(
+    accessFlags = AccessFlags.PUBLIC or AccessFlags.STATIC,
+    returnType = "L",
+    parameters = listOf("Landroid/content/Context;", "Ljava/util/List;"),
+    opcodes = listOf(
+        Opcode.SGET_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.INVOKE_VIRTUAL,
+        Opcode.MOVE_RESULT,
+        Opcode.IF_EQZ,
+        Opcode.SGET_OBJECT,
+        Opcode.RETURN_OBJECT,
+        Opcode.INVOKE_STATIC,
+        Opcode.MOVE_RESULT_OBJECT,
+        Opcode.RETURN_OBJECT
+    )
+)
\ No newline at end of file
diff --git a/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/patch/EnableTabletLayoutPatch.kt b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/patch/EnableTabletLayoutPatch.kt
new file mode 100644
index 00000000..95bbc1c4
--- /dev/null
+++ b/src/main/kotlin/app/revanced/patches/youtube/layout/tablet/patch/EnableTabletLayoutPatch.kt
@@ -0,0 +1,56 @@
+package app.revanced.patches.youtube.layout.tablet.patch
+
+import app.revanced.extensions.exception
+import app.revanced.patcher.annotation.Description
+import app.revanced.patcher.annotation.Name
+import app.revanced.patcher.data.BytecodeContext
+import app.revanced.patcher.extensions.InstructionExtensions.addInstructionsWithLabels
+import app.revanced.patcher.extensions.InstructionExtensions.getInstruction
+import app.revanced.patcher.patch.BytecodePatch
+import app.revanced.patcher.patch.annotations.DependsOn
+import app.revanced.patcher.patch.annotations.Patch
+import app.revanced.patcher.util.smali.ExternalLabel
+import app.revanced.patches.shared.settings.preference.impl.StringResource
+import app.revanced.patches.shared.settings.preference.impl.SwitchPreference
+import app.revanced.patches.youtube.layout.tablet.annotations.EnableTabletLayoutCompatibility
+import app.revanced.patches.youtube.layout.tablet.fingerprints.GetFormFactorFingerprint
+import app.revanced.patches.youtube.misc.integrations.patch.IntegrationsPatch
+import app.revanced.patches.youtube.misc.settings.bytecode.patch.SettingsPatch
+
+@Patch
+@DependsOn([IntegrationsPatch::class, SettingsPatch::class])
+@Name("Enable tablet layout")
+@Description("Spoofs the device form factor to a tablet which enables the tablet layout.")
+@EnableTabletLayoutCompatibility
+class EnableTabletLayoutPatch : BytecodePatch(listOf(GetFormFactorFingerprint)) {
+    override fun execute(context: BytecodeContext) {
+        SettingsPatch.PreferenceScreen.LAYOUT.addPreferences(
+            SwitchPreference(
+                "revanced_tablet_layout",
+                StringResource("revanced_tablet_layout_enabled_title", "Enable tablet layout"),
+                StringResource("revanced_tablet_layout_summary_on", "Tablet layout is enabled"),
+                StringResource("revanced_tablet_layout_summary_off", "Tablet layout is disabled"),
+                StringResource("revanced_tablet_layout_user_dialog_message", "Community posts do not show up on tablet layouts")
+            )
+        )
+
+        GetFormFactorFingerprint.result?.let {
+            it.mutableMethod.apply {
+                val returnLargeFormFactorIndex = it.scanResult.patternScanResult!!.endIndex - 4
+
+                addInstructionsWithLabels(
+                    0,
+                    """
+                          invoke-static {}, Lapp/revanced/integrations/patches/EnableTabletLayoutPatch;->enableTabletLayout()Z
+                          move-result v0
+                          if-nez v0, :is_large_form_factor
+                    """,
+                    ExternalLabel(
+                        "is_large_form_factor",
+                        getInstruction(returnLargeFormFactorIndex)
+                    )
+                )
+            }
+        } ?: GetFormFactorFingerprint.exception
+    }
+}