LCOV - code coverage report
Current view: top level - dom/gamepad - Gamepad.h (source / functions) Hit Total Coverage
Test: output.info Lines: 0 30 0.0 %
Date: 2017-07-14 16:53:18 Functions: 0 21 0.0 %
Legend: Lines: hit not hit

          Line data    Source code
       1             : /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim: set ts=8 sts=2 et sw=2 tw=80: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
       5             :  * You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_gamepad_Gamepad_h
       8             : #define mozilla_dom_gamepad_Gamepad_h
       9             : 
      10             : #include "mozilla/ErrorResult.h"
      11             : #include "mozilla/dom/GamepadBinding.h"
      12             : #include "mozilla/dom/GamepadButton.h"
      13             : #include "mozilla/dom/GamepadPose.h"
      14             : #include "mozilla/dom/GamepadHapticActuator.h"
      15             : #include "mozilla/dom/Performance.h"
      16             : #include <stdint.h>
      17             : #include "nsCOMPtr.h"
      18             : #include "nsString.h"
      19             : #include "nsTArray.h"
      20             : #include "nsWrapperCache.h"
      21             : 
      22             : namespace mozilla {
      23             : namespace dom {
      24             : 
      25             : // Per spec:
      26             : // https://dvcs.w3.org/hg/gamepad/raw-file/default/gamepad.html#remapping
      27             : const int kStandardGamepadButtons = 17;
      28             : const int kStandardGamepadAxes = 4;
      29             : 
      30             : const int kButtonLeftTrigger = 6;
      31             : const int kButtonRightTrigger = 7;
      32             : 
      33             : const int kLeftStickXAxis = 0;
      34             : const int kLeftStickYAxis = 1;
      35             : const int kRightStickXAxis = 2;
      36             : const int kRightStickYAxis = 3;
      37             : 
      38             : 
      39             : class Gamepad final : public nsISupports,
      40             :                       public nsWrapperCache
      41             : {
      42             : public:
      43             :   Gamepad(nsISupports* aParent,
      44             :           const nsAString& aID, uint32_t aIndex,
      45             :           uint32_t aHashKey,
      46             :           GamepadMappingType aMapping, GamepadHand aHand,
      47             :           uint32_t aNumButtons, uint32_t aNumAxes,
      48             :           uint32_t aNumHaptics);
      49             : 
      50             :   NS_DECL_CYCLE_COLLECTING_ISUPPORTS
      51           0 :   NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(Gamepad)
      52             : 
      53             :   void SetConnected(bool aConnected);
      54             :   void SetButton(uint32_t aButton, bool aPressed,
      55             :                  bool aTouched, double aValue);
      56             :   void SetAxis(uint32_t aAxis, double aValue);
      57             :   void SetIndex(uint32_t aIndex);
      58             :   void SetPose(const GamepadPoseState& aPose);
      59             :   void SetHand(GamepadHand aHand);
      60             : 
      61             :   // Make the state of this gamepad equivalent to other.
      62             :   void SyncState(Gamepad* aOther);
      63             : 
      64             :   // Return a new Gamepad containing the same data as this object,
      65             :   // parented to aParent.
      66             :   already_AddRefed<Gamepad> Clone(nsISupports* aParent);
      67             : 
      68           0 :   nsISupports* GetParentObject() const
      69             :   {
      70           0 :     return mParent;
      71             :   }
      72             : 
      73             :   virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
      74             : 
      75           0 :   void GetId(nsAString& aID) const
      76             :   {
      77           0 :     aID = mID;
      78           0 :   }
      79             : 
      80           0 :   DOMHighResTimeStamp Timestamp() const
      81             :   {
      82           0 :      return mTimestamp;
      83             :   }
      84             : 
      85           0 :   GamepadMappingType Mapping()
      86             :   {
      87           0 :     return mMapping;
      88             :   }
      89             : 
      90           0 :   GamepadHand Hand()
      91             :   {
      92           0 :     return mHand;
      93             :   }
      94             : 
      95           0 :   bool Connected() const
      96             :   {
      97           0 :     return mConnected;
      98             :   }
      99             : 
     100           0 :   uint32_t Index() const
     101             :   {
     102           0 :     return mIndex;
     103             :   }
     104             : 
     105           0 :   uint32_t HashKey() const
     106             :   {
     107           0 :     return mHashKey;
     108             :   }
     109             : 
     110           0 :   void GetButtons(nsTArray<RefPtr<GamepadButton>>& aButtons) const
     111             :   {
     112           0 :     aButtons = mButtons;
     113           0 :   }
     114             : 
     115           0 :   void GetAxes(nsTArray<double>& aAxes) const
     116             :   {
     117           0 :     aAxes = mAxes;
     118           0 :   }
     119             : 
     120           0 :   GamepadPose* GetPose() const
     121             :   {
     122           0 :     return mPose;
     123             :   }
     124             : 
     125           0 :   void GetHapticActuators(nsTArray<RefPtr<GamepadHapticActuator>>& aHapticActuators) const
     126             :   {
     127           0 :     aHapticActuators = mHapticActuators;
     128           0 :   }
     129             : 
     130             : private:
     131           0 :   virtual ~Gamepad() {}
     132             :   void UpdateTimestamp();
     133             : 
     134             : protected:
     135             :   nsCOMPtr<nsISupports> mParent;
     136             :   nsString mID;
     137             :   uint32_t mIndex;
     138             :   // the gamepad hash key in GamepadManager
     139             :   uint32_t mHashKey;
     140             : 
     141             :   // The mapping in use.
     142             :   GamepadMappingType mMapping;
     143             :   GamepadHand mHand;
     144             : 
     145             :   // true if this gamepad is currently connected.
     146             :   bool mConnected;
     147             : 
     148             :   // Current state of buttons, axes.
     149             :   nsTArray<RefPtr<GamepadButton>> mButtons;
     150             :   nsTArray<double> mAxes;
     151             :   DOMHighResTimeStamp mTimestamp;
     152             :   RefPtr<GamepadPose> mPose;
     153             :   nsTArray<RefPtr<GamepadHapticActuator>> mHapticActuators;
     154             : };
     155             : 
     156             : } // namespace dom
     157             : } // namespace mozilla
     158             : 
     159             : #endif // mozilla_dom_gamepad_Gamepad_h

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