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 #ifndef NavigatorGamepad_h 27 #define NavigatorGamepad_h 28 29 #include "core/frame/DOMWindowLifecycleObserver.h" 30 #include "core/frame/DOMWindowProperty.h" 31 #include "core/frame/PlatformEventController.h" 32 #include "platform/AsyncMethodRunner.h" 33 #include "platform/Supplementable.h" 34 #include "platform/heap/Handle.h" 35 #include "public/platform/WebGamepads.h" 36 37 namespace blink { 38 39 class Document; 40 class Gamepad; 41 class Gamepads; 42 class GamepadList; 43 class Navigator; 44 class WebKitGamepadList; 45 46 class NavigatorGamepad FINAL : public NoBaseWillBeGarbageCollectedFinalized<NavigatorGamepad>, public WillBeHeapSupplement<Navigator>, public DOMWindowProperty, public PlatformEventController, public DOMWindowLifecycleObserver { 47 WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(NavigatorGamepad); 48 public: 49 static NavigatorGamepad* from(Document&); 50 static NavigatorGamepad& from(Navigator&); 51 virtual ~NavigatorGamepad(); 52 53 static WebKitGamepadList* webkitGetGamepads(Navigator&); 54 static GamepadList* getGamepads(Navigator&); 55 56 WebKitGamepadList* webkitGamepads(); 57 GamepadList* gamepads(); 58 59 virtual void trace(Visitor*); 60 61 void didConnectOrDisconnectGamepad(unsigned index, const WebGamepad&, bool connected); 62 63 private: 64 explicit NavigatorGamepad(LocalFrame*); 65 66 static const char* supplementName(); 67 68 void dispatchOneEvent(); 69 void didRemoveGamepadEventListeners(); 70 71 // DOMWindowProperty 72 virtual void willDestroyGlobalObjectInFrame() OVERRIDE; 73 virtual void willDetachGlobalObjectFromFrame() OVERRIDE; 74 75 // PlatformEventController 76 virtual void registerWithDispatcher() OVERRIDE; 77 virtual void unregisterWithDispatcher() OVERRIDE; 78 virtual bool hasLastData() OVERRIDE; 79 virtual void didUpdateData() OVERRIDE; 80 virtual void pageVisibilityChanged() OVERRIDE; 81 82 // DOMWindowLifecycleObserver 83 virtual void didAddEventListener(LocalDOMWindow*, const AtomicString&) OVERRIDE; 84 virtual void didRemoveEventListener(LocalDOMWindow*, const AtomicString&) OVERRIDE; 85 virtual void didRemoveAllEventListeners(LocalDOMWindow*) OVERRIDE; 86 87 PersistentWillBeMember<GamepadList> m_gamepads; 88 PersistentWillBeMember<WebKitGamepadList> m_webkitGamepads; 89 PersistentHeapDequeWillBeHeapDeque<Member<Gamepad> > m_pendingEvents; 90 AsyncMethodRunner<NavigatorGamepad> m_dispatchOneEventRunner; 91 }; 92 93 } // namespace blink 94 95 #endif // NavigatorGamepad_h 96