From 5f8de423f190bbb79a62f804151bc24824fa32d8 Mon Sep 17 00:00:00 2001
From: "Matt A. Tobin" <mattatobin@localhost.localdomain>
Date: Fri, 2 Feb 2018 04:16:08 -0500
Subject: Add m-esr52 at 52.6.0

---
 dom/gamepad/Gamepad.h | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 dom/gamepad/Gamepad.h

(limited to 'dom/gamepad/Gamepad.h')

diff --git a/dom/gamepad/Gamepad.h b/dom/gamepad/Gamepad.h
new file mode 100644
index 000000000..e388348f0
--- /dev/null
+++ b/dom/gamepad/Gamepad.h
@@ -0,0 +1,134 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_gamepad_Gamepad_h
+#define mozilla_dom_gamepad_Gamepad_h
+
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/GamepadBinding.h"
+#include "mozilla/dom/GamepadButton.h"
+#include "mozilla/dom/GamepadPose.h"
+#include "mozilla/dom/Performance.h"
+#include <stdint.h>
+#include "nsCOMPtr.h"
+#include "nsString.h"
+#include "nsTArray.h"
+#include "nsWrapperCache.h"
+
+namespace mozilla {
+namespace dom {
+
+// Per spec:
+// https://dvcs.w3.org/hg/gamepad/raw-file/default/gamepad.html#remapping
+const int kStandardGamepadButtons = 17;
+const int kStandardGamepadAxes = 4;
+
+const int kButtonLeftTrigger = 6;
+const int kButtonRightTrigger = 7;
+
+const int kLeftStickXAxis = 0;
+const int kLeftStickYAxis = 1;
+const int kRightStickXAxis = 2;
+const int kRightStickYAxis = 3;
+
+
+class Gamepad final : public nsISupports,
+                      public nsWrapperCache
+{
+public:
+  Gamepad(nsISupports* aParent,
+          const nsAString& aID, uint32_t aIndex,
+          GamepadMappingType aMapping,
+          uint32_t aNumButtons, uint32_t aNumAxes);
+  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
+  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Gamepad)
+
+  void SetConnected(bool aConnected);
+  void SetButton(uint32_t aButton, bool aPressed, double aValue);
+  void SetAxis(uint32_t aAxis, double aValue);
+  void SetIndex(uint32_t aIndex);
+  void SetPose(const GamepadPoseState& aPose);
+
+  // Make the state of this gamepad equivalent to other.
+  void SyncState(Gamepad* aOther);
+
+  // Return a new Gamepad containing the same data as this object,
+  // parented to aParent.
+  already_AddRefed<Gamepad> Clone(nsISupports* aParent);
+
+  nsISupports* GetParentObject() const
+  {
+    return mParent;
+  }
+
+  virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
+
+  void GetId(nsAString& aID) const
+  {
+    aID = mID;
+  }
+
+  DOMHighResTimeStamp Timestamp() const
+  {
+     return mTimestamp;
+  }
+
+  GamepadMappingType Mapping()
+  {
+    return mMapping;
+  }
+
+  bool Connected() const
+  {
+    return mConnected;
+  }
+
+  uint32_t Index() const
+  {
+    return mIndex;
+  }
+
+  void GetButtons(nsTArray<RefPtr<GamepadButton>>& aButtons) const
+  {
+    aButtons = mButtons;
+  }
+
+  void GetAxes(nsTArray<double>& aAxes) const
+  {
+    aAxes = mAxes;
+  }
+
+  GamepadPose* GetPose() const
+  {
+    return mPose;
+  }
+
+private:
+  virtual ~Gamepad() {}
+  void UpdateTimestamp();
+
+protected:
+  nsCOMPtr<nsISupports> mParent;
+  nsString mID;
+  uint32_t mIndex;
+
+  // The mapping in use.
+  GamepadMappingType mMapping;
+
+  // true if this gamepad is currently connected.
+  bool mConnected;
+
+  // Current state of buttons, axes.
+  nsTArray<RefPtr<GamepadButton>> mButtons;
+  nsTArray<double> mAxes;
+  DOMHighResTimeStamp mTimestamp;
+  RefPtr<GamepadPose> mPose;
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif // mozilla_dom_gamepad_Gamepad_h
-- 
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