From 2f954010c488ed66c7f79afbb259a2f72d3e78b1 Mon Sep 17 00:00:00 2001
From: wolfbeast <mcwerewolf@gmail.com>
Date: Tue, 27 Nov 2018 12:28:56 +0100
Subject: Remove VR Hardware input support (gamepad type)

This resolves #881
---
 dom/gamepad/GamepadManager.cpp       | 18 ------------------
 dom/gamepad/GamepadManager.h         |  6 ------
 dom/gamepad/ipc/GamepadServiceType.h |  4 +---
 3 files changed, 1 insertion(+), 27 deletions(-)

diff --git a/dom/gamepad/GamepadManager.cpp b/dom/gamepad/GamepadManager.cpp
index dde71dd0a..e17829652 100644
--- a/dom/gamepad/GamepadManager.cpp
+++ b/dom/gamepad/GamepadManager.cpp
@@ -28,7 +28,6 @@
 #include "nsIObserverService.h"
 #include "nsIServiceManager.h"
 #include "nsThreadUtils.h"
-#include "VRManagerChild.h"
 #include "mozilla/Services.h"
 #include "mozilla/Unused.h"
 
@@ -110,11 +109,6 @@ GamepadManager::StopMonitoring()
   }
   mChannelChildren.Clear();
   mGamepads.Clear();
-
-#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
-  mVRChannelChild = gfx::VRManagerChild::Get();
-  mVRChannelChild->SendControllerListenerRemoved();
-#endif
 }
 
 void
@@ -211,11 +205,6 @@ uint32_t GamepadManager::GetGamepadIndexWithServiceType(uint32_t aIndex,
      newIndex = aIndex;
      break;
     }
-    case GamepadServiceType::VR:
-    {
-     newIndex = aIndex + VR_GAMEPAD_IDX_OFFSET;
-     break;
-    }
     default:
      MOZ_ASSERT(false);
      break;
@@ -679,13 +668,6 @@ GamepadManager::ActorCreated(PBackgroundChild *aActor)
   MOZ_ASSERT(initedChild == child);
   child->SendGamepadListenerAdded();
   mChannelChildren.AppendElement(child);
-
-#if defined(XP_WIN) || defined(XP_MACOSX) || defined(XP_LINUX)
-  // Construct VRManagerChannel and ask adding the connected
-  // VR controllers to GamepadManager
-  mVRChannelChild = gfx::VRManagerChild::Get();
-  mVRChannelChild->SendControllerListenerAdded();
-#endif
 }
 
 //Override nsIIPCBackgroundChildCreateCallback
diff --git a/dom/gamepad/GamepadManager.h b/dom/gamepad/GamepadManager.h
index 1bb437d8f..a772221ca 100644
--- a/dom/gamepad/GamepadManager.h
+++ b/dom/gamepad/GamepadManager.h
@@ -16,9 +16,6 @@
 class nsGlobalWindow;
 
 namespace mozilla {
-namespace gfx {
-class VRManagerChild;
-} // namespace gfx
 namespace dom {
 
 class EventTarget;
@@ -123,7 +120,6 @@ class GamepadManager final : public nsIObserver,
   // will be destroyed during the IPDL shutdown chain, so we
   // don't need to refcount it here.
   nsTArray<GamepadEventChannelChild *> mChannelChildren;
-  gfx::VRManagerChild* mVRChannelChild;
 
  private:
 
@@ -138,8 +134,6 @@ class GamepadManager final : public nsIObserver,
   // Indicate that a window has received data from a gamepad.
   void SetWindowHasSeenGamepad(nsGlobalWindow* aWindow, uint32_t aIndex,
                                bool aHasSeen = true);
-  // Our gamepad index has VR_GAMEPAD_IDX_OFFSET while GamepadChannelType
-  // is from VRManager.
   uint32_t GetGamepadIndexWithServiceType(uint32_t aIndex, GamepadServiceType aServiceType);
 
   // Gamepads connected to the system. Copies of these are handed out
diff --git a/dom/gamepad/ipc/GamepadServiceType.h b/dom/gamepad/ipc/GamepadServiceType.h
index acc0967d1..6200cdfa9 100644
--- a/dom/gamepad/ipc/GamepadServiceType.h
+++ b/dom/gamepad/ipc/GamepadServiceType.h
@@ -6,11 +6,9 @@ namespace mozilla{
 namespace dom{
 
 // Standard channel is used for managing gamepads that
-// are from GamepadPlatformService. VR channel
-// is for gamepads that are from VRManagerChild.
+// are from GamepadPlatformService.
 enum class GamepadServiceType : uint16_t {
   Standard,
-  VR,
   NumGamepadServiceType
 };
 
-- 
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