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      1 /*
      2  * Copyright (C) 2011, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are met:
      6  *
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
     14  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     16  * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
     17  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     18  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     19  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
     20  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     21  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     22  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
     23  * DAMAGE.
     24  */
     25 
     26 #include "config.h"
     27 #include "core/platform/Gamepads.h"
     28 
     29 #include "modules/gamepad/GamepadList.h"
     30 #include "public/platform/Platform.h"
     31 
     32 namespace WebCore {
     33 
     34 class GamepadList;
     35 
     36 void sampleGamepads(GamepadList* into)
     37 {
     38     WebKit::WebGamepads gamepads;
     39 
     40     WebKit::Platform::current()->sampleGamepads(gamepads);
     41 
     42     for (unsigned i = 0; i < WebKit::WebGamepads::itemsLengthCap; ++i) {
     43         WebKit::WebGamepad& webGamepad = gamepads.items[i];
     44         if (i < gamepads.length && webGamepad.connected) {
     45             RefPtr<Gamepad> gamepad = into->item(i);
     46             if (!gamepad)
     47                 gamepad = Gamepad::create();
     48             gamepad->id(webGamepad.id);
     49             gamepad->index(i);
     50             gamepad->timestamp(webGamepad.timestamp);
     51             gamepad->axes(webGamepad.axesLength, webGamepad.axes);
     52             gamepad->buttons(webGamepad.buttonsLength, webGamepad.buttons);
     53             into->set(i, gamepad);
     54         } else
     55             into->set(i, 0);
     56     }
     57 }
     58 
     59 }
     60