From b0c3f6ffebded0bc9a55e593456ff5e30e17201e Mon Sep 17 00:00:00 2001
From: Elliott Hughes <enh@google.com>
Date: Mon, 23 May 2016 17:43:41 -0700
Subject: [PATCH] Disable the meaningless parts of the UI for A/B.

Bug: http://b/28748484
Test: mmma bootable/recovery
Change-Id: Ie86a265f4699503471e7c717d65677a916dbd25b
(cherry picked from commit 01fcbe160bd49891c0680b80c5688cd4feb2adbc)
---
 Android.mk |  4 ++++
 device.cpp | 54 ++++++++++++++++++++++++++++++++++++++++--------------
 2 files changed, 44 insertions(+), 14 deletions(-)

diff --git a/Android.mk b/Android.mk
index 7fa98b04..15e281cf 100644
--- a/Android.mk
+++ b/Android.mk
@@ -101,6 +101,10 @@ LOCAL_HAL_STATIC_LIBRARIES := libhealthd
 LOCAL_C_INCLUDES += system/extras/ext4_utils
 LOCAL_STATIC_LIBRARIES += libext4_utils_static libz
 
+ifeq ($(AB_OTA_UPDATER),true)
+    LOCAL_CFLAGS += -DAB_OTA_UPDATER=1
+endif
+
 LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin
 
 ifeq ($(TARGET_RECOVERY_UI_LIB),)
diff --git a/device.cpp b/device.cpp
index 2465b077..f8fbb8a4 100644
--- a/device.cpp
+++ b/device.cpp
@@ -16,6 +16,29 @@
 
 #include "device.h"
 
+#if defined(AB_OTA_UPDATER)
+
+static const char* MENU_ITEMS[] = {
+    "Reboot system now",
+    "Reboot to bootloader",
+    "Wipe data/factory reset",
+    "Mount /system",
+    "Run graphics test",
+    "Power off",
+    NULL,
+};
+
+static const Device::BuiltinAction MENU_ACTIONS[] = {
+    Device::REBOOT,
+    Device::REBOOT_BOOTLOADER,
+    Device::WIPE_DATA,
+    Device::MOUNT_SYSTEM,
+    Device::RUN_GRAPHICS_TEST,
+    Device::SHUTDOWN,
+};
+
+#else
+
 static const char* MENU_ITEMS[] = {
     "Reboot system now",
     "Reboot to bootloader",
@@ -27,27 +50,30 @@ static const char* MENU_ITEMS[] = {
     "View recovery logs",
     "Run graphics test",
     "Power off",
-    NULL
+    NULL,
 };
 
+static const Device::BuiltinAction MENU_ACTIONS[] = {
+    Device::REBOOT,
+    Device::REBOOT_BOOTLOADER,
+    Device::APPLY_ADB_SIDELOAD,
+    Device::APPLY_SDCARD,
+    Device::WIPE_DATA,
+    Device::WIPE_CACHE,
+    Device::MOUNT_SYSTEM,
+    Device::VIEW_RECOVERY_LOGS,
+    Device::RUN_GRAPHICS_TEST,
+    Device::SHUTDOWN,
+};
+
+#endif
+
 const char* const* Device::GetMenuItems() {
   return MENU_ITEMS;
 }
 
 Device::BuiltinAction Device::InvokeMenuItem(int menu_position) {
-  switch (menu_position) {
-    case 0: return REBOOT;
-    case 1: return REBOOT_BOOTLOADER;
-    case 2: return APPLY_ADB_SIDELOAD;
-    case 3: return APPLY_SDCARD;
-    case 4: return WIPE_DATA;
-    case 5: return WIPE_CACHE;
-    case 6: return MOUNT_SYSTEM;
-    case 7: return VIEW_RECOVERY_LOGS;
-    case 8: return RUN_GRAPHICS_TEST;
-    case 9: return SHUTDOWN;
-    default: return NO_ACTION;
-  }
+  return menu_position < 0 ? NO_ACTION : MENU_ACTIONS[menu_position];
 }
 
 int Device::HandleMenuKey(int key, int visible) {