1 files changed, 88 insertions, 0 deletions
diff --git a/dom/gamepad/GamepadTouch.cpp b/dom/gamepad/GamepadTouch.cpp
new file mode 100644
index 0000000000..f0ed33ef80
--- /dev/null
+++ b/dom/gamepad/GamepadTouch.cpp
@@ -0,0 +1,88 @@
+/* -*- 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/. */
+
+#include "mozilla/dom/GamepadTouch.h"
+
+#include "mozilla/HoldDropJSObjects.h"
+#include "mozilla/dom/GamepadManager.h"
+#include "mozilla/dom/Promise.h"
+#include "mozilla/dom/TypedArray.h"
+
+namespace mozilla::dom {
+
+NS_IMPL_CYCLE_COLLECTION_CLASS(GamepadTouch)
+
+NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(GamepadTouch)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK(mParent)
+  NS_IMPL_CYCLE_COLLECTION_UNLINK_PRESERVED_WRAPPER
+  tmp->mPosition = nullptr;
+  tmp->mSurfaceDimensions = nullptr;
+NS_IMPL_CYCLE_COLLECTION_UNLINK_END
+
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(GamepadTouch)
+  NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mParent)
+NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
+
+NS_IMPL_CYCLE_COLLECTION_TRACE_BEGIN(GamepadTouch)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_PRESERVED_WRAPPER
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mPosition)
+  NS_IMPL_CYCLE_COLLECTION_TRACE_JS_MEMBER_CALLBACK(mSurfaceDimensions)
+NS_IMPL_CYCLE_COLLECTION_TRACE_END
+
+NS_IMPL_CYCLE_COLLECTION_ROOT_NATIVE(GamepadTouch, AddRef)
+NS_IMPL_CYCLE_COLLECTION_UNROOT_NATIVE(GamepadTouch, Release)
+
+GamepadTouch::GamepadTouch(nsISupports* aParent)
+    : mParent(aParent), mPosition(nullptr), mSurfaceDimensions(nullptr) {
+  mozilla::HoldJSObjects(this);
+  mTouchState = GamepadTouchState();
+}
+
+GamepadTouch::~GamepadTouch() { mozilla::DropJSObjects(this); }
+
+/* virtual */ JSObject* GamepadTouch::WrapObject(
+    JSContext* aCx, JS::Handle<JSObject*> aGivenProto) {
+  return GamepadTouch_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void GamepadTouch::GetPosition(JSContext* aCx,
+                               JS::MutableHandle<JSObject*> aRetval,
+                               ErrorResult& aRv) {
+  mPosition = Float32Array::Create(aCx, this, 2, mTouchState.position);
+  if (!mPosition) {
+    aRv.NoteJSContextException(aCx);
+    return;
+  }
+
+  aRetval.set(mPosition);
+}
+
+void GamepadTouch::GetSurfaceDimensions(JSContext* aCx,
+                                        JS::MutableHandle<JSObject*> aRetval,
+                                        ErrorResult& aRv) {
+  mSurfaceDimensions = Uint32Array::Create(aCx, this, 2,
+                                           mTouchState.isSurfaceDimensionsValid
+                                               ? mTouchState.surfaceDimensions
+                                               : nullptr);
+
+  if (!mSurfaceDimensions) {
+    aRv.NoteJSContextException(aCx);
+    return;
+  }
+
+  aRetval.set(mSurfaceDimensions);
+}
+
+void GamepadTouch::SetTouchState(const GamepadTouchState& aTouch) {
+  mTouchState = aTouch;
+}
+
+void GamepadTouch::Set(const GamepadTouch* aOther) {
+  MOZ_ASSERT(aOther);
+  mTouchState = aOther->mTouchState;
+}
+
+}  // namespace mozilla::dom