michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_dom_gamepad_Gamepad_h
michael@0: #define mozilla_dom_gamepad_Gamepad_h
michael@0: 
michael@0: #include "mozilla/ErrorResult.h"
michael@0: #include "mozilla/dom/GamepadButton.h"
michael@0: #include <stdint.h>
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsString.h"
michael@0: #include "nsTArray.h"
michael@0: #include "nsWrapperCache.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace dom {
michael@0: 
michael@0: enum GamepadMappingType
michael@0: {
michael@0:   NoMapping = 0,
michael@0:   StandardMapping = 1
michael@0: };
michael@0: 
michael@0: class Gamepad : public nsISupports,
michael@0:                 public nsWrapperCache
michael@0: {
michael@0: public:
michael@0:   Gamepad(nsISupports* aParent,
michael@0:           const nsAString& aID, uint32_t aIndex,
michael@0:           GamepadMappingType aMapping,
michael@0:           uint32_t aNumButtons, uint32_t aNumAxes);
michael@0:   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
michael@0:   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Gamepad)
michael@0: 
michael@0:   void SetConnected(bool aConnected);
michael@0:   void SetButton(uint32_t aButton, bool aPressed, double aValue);
michael@0:   void SetAxis(uint32_t aAxis, double aValue);
michael@0:   void SetIndex(uint32_t aIndex);
michael@0: 
michael@0:   // Make the state of this gamepad equivalent to other.
michael@0:   void SyncState(Gamepad* aOther);
michael@0: 
michael@0:   // Return a new Gamepad containing the same data as this object,
michael@0:   // parented to aParent.
michael@0:   already_AddRefed<Gamepad> Clone(nsISupports* aParent);
michael@0: 
michael@0:   nsISupports* GetParentObject() const
michael@0:   {
michael@0:     return mParent;
michael@0:   }
michael@0: 
michael@0:   virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE;
michael@0: 
michael@0:   void GetId(nsAString& aID) const
michael@0:   {
michael@0:     aID = mID;
michael@0:   }
michael@0: 
michael@0:   void GetMapping(nsAString& aMapping) const
michael@0:   {
michael@0:     if (mMapping == StandardMapping) {
michael@0:       aMapping = NS_LITERAL_STRING("standard");
michael@0:     } else {
michael@0:       aMapping = NS_LITERAL_STRING("");
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   bool Connected() const
michael@0:   {
michael@0:     return mConnected;
michael@0:   }
michael@0: 
michael@0:   uint32_t Index() const
michael@0:   {
michael@0:     return mIndex;
michael@0:   }
michael@0: 
michael@0:   void GetButtons(nsTArray<nsRefPtr<GamepadButton>>& aButtons) const
michael@0:   {
michael@0:     aButtons = mButtons;
michael@0:   }
michael@0: 
michael@0:   void GetAxes(nsTArray<double>& aAxes) const
michael@0:   {
michael@0:     aAxes = mAxes;
michael@0:   }
michael@0: 
michael@0: private:
michael@0:   virtual ~Gamepad() {}
michael@0: 
michael@0: protected:
michael@0:   nsCOMPtr<nsISupports> mParent;
michael@0:   nsString mID;
michael@0:   uint32_t mIndex;
michael@0: 
michael@0:   // The mapping in use.
michael@0:   GamepadMappingType mMapping;
michael@0: 
michael@0:   // true if this gamepad is currently connected.
michael@0:   bool mConnected;
michael@0: 
michael@0:   // Current state of buttons, axes.
michael@0:   nsTArray<nsRefPtr<GamepadButton>> mButtons;
michael@0:   nsTArray<double> mAxes;
michael@0: };
michael@0: 
michael@0: } // namespace dom
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif // mozilla_dom_gamepad_Gamepad_h