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 "modules/gamepad/NavigatorGamepad.h" 28 29#include "core/frame/Navigator.h" 30#include "modules/gamepad/GamepadList.h" 31#include "public/platform/Platform.h" 32#include "wtf/PassOwnPtr.h" 33 34namespace WebCore { 35 36static void sampleGamepads(GamepadList* into) 37{ 38 blink::WebGamepads gamepads; 39 40 blink::Platform::current()->sampleGamepads(gamepads); 41 42 for (unsigned i = 0; i < blink::WebGamepads::itemsLengthCap; ++i) { 43 blink::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 60NavigatorGamepad::NavigatorGamepad() 61{ 62} 63 64NavigatorGamepad::~NavigatorGamepad() 65{ 66} 67 68const char* NavigatorGamepad::supplementName() 69{ 70 return "NavigatorGamepad"; 71} 72 73NavigatorGamepad* NavigatorGamepad::from(Navigator* navigator) 74{ 75 NavigatorGamepad* supplement = static_cast<NavigatorGamepad*>(Supplement<Navigator>::from(navigator, supplementName())); 76 if (!supplement) { 77 supplement = new NavigatorGamepad(); 78 provideTo(navigator, supplementName(), adoptPtr(supplement)); 79 } 80 return supplement; 81} 82 83GamepadList* NavigatorGamepad::webkitGetGamepads(Navigator* navigator) 84{ 85 return NavigatorGamepad::from(navigator)->gamepads(); 86} 87 88GamepadList* NavigatorGamepad::gamepads() 89{ 90 if (!m_gamepads) 91 m_gamepads = GamepadList::create(); 92 sampleGamepads(m_gamepads.get()); 93 return m_gamepads.get(); 94} 95 96} // namespace WebCore 97