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      1 /*
      2  * Copyright 2010, The Android Open Source Project
      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/page/DeviceController.h"
     31 
     32 namespace WebCore {
     33 
     34 class DeviceOrientationClient;
     35 class DeviceOrientationData;
     36 
     37 class DeviceOrientationController : public DeviceController {
     38 public:
     39     ~DeviceOrientationController() { };
     40 
     41     static PassOwnPtr<DeviceOrientationController> create(Page*, DeviceOrientationClient*);
     42 
     43     void didChangeDeviceOrientation(DeviceOrientationData*);
     44     DeviceOrientationClient* deviceOrientationClient();
     45 
     46     virtual bool hasLastData() OVERRIDE;
     47     virtual PassRefPtr<Event> getLastEvent() OVERRIDE;
     48 
     49     static const char* supplementName();
     50     static DeviceOrientationController* from(Page*);
     51     static bool isActiveAt(Page*);
     52 
     53 private:
     54     DeviceOrientationController(Page*, DeviceOrientationClient*);
     55 
     56     Page* m_page;
     57 };
     58 
     59 } // namespace WebCore
     60 
     61 #endif // DeviceOrientationController_h
     62