1 /* 2 * Copyright 2010 Apple Inc. All rights reserved. 3 * Copyright (C) 2012 Samsung Electronics. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef DeviceOrientationController_h 28 #define DeviceOrientationController_h 29 30 #include "core/dom/DocumentSupplementable.h" 31 #include "core/events/Event.h" 32 #include "core/frame/DOMWindowLifecycleObserver.h" 33 #include "modules/device_orientation/DeviceSensorEventController.h" 34 35 namespace WebCore { 36 37 class DeviceOrientationData; 38 39 class DeviceOrientationController : public DeviceSensorEventController, public DocumentSupplement, public DOMWindowLifecycleObserver { 40 41 public: 42 virtual ~DeviceOrientationController(); 43 44 static const char* supplementName(); 45 static DeviceOrientationController* from(Document*); 46 47 void didChangeDeviceOrientation(WebCore::DeviceOrientationData*); 48 49 // Inherited from DOMWindowLifecycleObserver 50 virtual void didAddEventListener(DOMWindow*, const AtomicString&) OVERRIDE; 51 virtual void didRemoveEventListener(DOMWindow*, const AtomicString&) OVERRIDE; 52 virtual void didRemoveAllEventListeners(DOMWindow*) OVERRIDE; 53 54 private: 55 explicit DeviceOrientationController(Document*); 56 virtual void registerWithDispatcher() OVERRIDE; 57 virtual void unregisterWithDispatcher() OVERRIDE; 58 59 virtual bool hasLastData() OVERRIDE; 60 virtual PassRefPtr<Event> getLastEvent() OVERRIDE; 61 virtual bool isNullEvent(Event*) OVERRIDE; 62 }; 63 64 } // namespace WebCore 65 66 #endif // DeviceOrientationController_h 67