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      1 /*
      2  * Copyright (C) 2010 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
      6  * are met:
      7  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  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 APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     15  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     17  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     20  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     21  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef WebGeolocationClient_h
     27 #define WebGeolocationClient_h
     28 
     29 namespace blink {
     30 class WebGeolocationController;
     31 class WebGeolocationPermissionRequest;
     32 class WebGeolocationPosition;
     33 
     34 class WebGeolocationClient {
     35 public:
     36     virtual ~WebGeolocationClient() {}
     37 
     38     virtual void startUpdating() = 0;
     39     virtual void stopUpdating() = 0;
     40     virtual void setEnableHighAccuracy(bool) = 0;
     41     virtual void geolocationDestroyed() = 0;
     42     virtual bool lastPosition(WebGeolocationPosition&) = 0;
     43 
     44     virtual void requestPermission(const WebGeolocationPermissionRequest&) = 0;
     45     virtual void cancelPermissionRequest(const WebGeolocationPermissionRequest&) = 0;
     46 
     47     // The controller is valid until geolocationDestroyed() is invoked.
     48     // Ownership of the WebGeolocationController is transferred to the client.
     49     virtual void setController(WebGeolocationController*) = 0;
     50 };
     51 
     52 } // namespace blink
     53 
     54 #endif // WebGeolocationClient_h
     55