1 files changed, 89 insertions, 0 deletions
diff --git a/dom/gamepad/GamepadServiceTest.h b/dom/gamepad/GamepadServiceTest.h
new file mode 100644
index 000000000..6ef9fcc19
--- /dev/null
+++ b/dom/gamepad/GamepadServiceTest.h
@@ -0,0 +1,89 @@
+/* -*- 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_GamepadServiceTest_h_
+#define mozilla_dom_GamepadServiceTest_h_
+
+#include "nsIIPCBackgroundChildCreateCallback.h"
+#include "mozilla/DOMEventTargetHelper.h"
+#include "mozilla/dom/GamepadBinding.h"
+
+namespace mozilla {
+namespace dom {
+
+class GamepadChangeEvent;
+class GamepadManager;
+class GamepadTestChannelChild;
+class Promise;
+
+// Service for testing purposes
+class GamepadServiceTest final : public DOMEventTargetHelper,
+                                 public nsIIPCBackgroundChildCreateCallback
+{
+public:
+  NS_DECL_NSIIPCBACKGROUNDCHILDCREATECALLBACK
+  NS_DECL_ISUPPORTS_INHERITED
+  NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(GamepadServiceTest,
+                                           DOMEventTargetHelper)
+
+  uint32_t NoMapping() const { return 0; }
+  uint32_t StandardMapping() const { return 1; }
+
+  already_AddRefed<Promise> AddGamepad(const nsAString& aID,
+                                       uint32_t aMapping,
+                                       uint32_t aNumButtons,
+                                       uint32_t aNumAxes,
+                                       ErrorResult& aRv);
+  void RemoveGamepad(uint32_t aIndex);
+  void NewButtonEvent(uint32_t aIndex, uint32_t aButton, bool aPressed);
+  void NewButtonValueEvent(uint32_t aIndex, uint32_t aButton, bool aPressed, double aValue);
+  void NewAxisMoveEvent(uint32_t aIndex, uint32_t aAxis, double aValue);
+  void Shutdown();
+
+  static already_AddRefed<GamepadServiceTest> CreateTestService(nsPIDOMWindowInner* aWindow);
+  nsPIDOMWindowInner* GetParentObject() const { return mWindow; }
+  JSObject* WrapObject(JSContext* aCx, JS::HandleObject aGivenProto) override;
+
+private:
+
+  // We need to asynchronously create IPDL channel, it is possible that
+  // we send commands before the channel is created, so we have to buffer
+  // them until the channel is created in that case.
+  struct PendingOperation {
+    explicit PendingOperation(const uint32_t& aID,
+                              const GamepadChangeEvent& aEvent,
+                              Promise* aPromise = nullptr)
+               : mID(aID), mEvent(aEvent), mPromise(aPromise) {}
+    uint32_t mID;
+    const GamepadChangeEvent& mEvent;
+    RefPtr<Promise> mPromise;
+  };
+
+  // Hold a reference to the gamepad service so we don't have to worry about
+  // execution order in tests.
+  RefPtr<GamepadManager> mService;
+  nsCOMPtr<nsPIDOMWindowInner> mWindow;
+  nsTArray<PendingOperation> mPendingOperations;
+  uint32_t mEventNumber;
+  bool mShuttingDown;
+
+  // IPDL Channel for us to send test events to GamepadPlatformService, it
+  // will only be used in this singleton class and deleted during the IPDL
+  // shutdown chain
+  GamepadTestChannelChild* MOZ_NON_OWNING_REF mChild;
+
+  explicit GamepadServiceTest(nsPIDOMWindowInner* aWindow);
+  ~GamepadServiceTest();
+  void InitPBackgroundActor();
+  void DestroyPBackgroundActor();
+  void FlushPendingOperations();
+
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#endif