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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 WebGeolocationPermissionRequestManager_h
     27 #define WebGeolocationPermissionRequestManager_h
     28 
     29 #include "WebNonCopyable.h"
     30 #include "WebPrivateOwnPtr.h"
     31 
     32 namespace WebKit {
     33 
     34 class WebGeolocationPermissionRequest;
     35 class WebGeolocationPermissionRequestManagerPrivate;
     36 
     37 // This class is used to map between integer identifiers and WebGeolocationPermissionRequest
     38 // instances. The intended usage is that on WebGeolocationClient::requestPermission(),
     39 // the implementer can call add() to associate an id with the WebGeolocationPermissionRequest object.
     40 // Once the permission request has been decided, the second remove() method can be used to
     41 // find the request. On WebGeolocationClient::cancelPermissionRequest, the first remove() method will
     42 // remove the association with the id.
     43 class WebGeolocationPermissionRequestManager : public WebNonCopyable {
     44 public:
     45     WebGeolocationPermissionRequestManager() { init(); }
     46     ~WebGeolocationPermissionRequestManager() { reset(); }
     47 
     48     WEBKIT_API int add(const WebKit::WebGeolocationPermissionRequest&);
     49     WEBKIT_API bool remove(const WebKit::WebGeolocationPermissionRequest&, int&);
     50     WEBKIT_API bool remove(int, WebKit::WebGeolocationPermissionRequest&);
     51 
     52 private:
     53     WEBKIT_API void init();
     54     WEBKIT_API void reset();
     55 
     56     WebPrivateOwnPtr<WebGeolocationPermissionRequestManagerPrivate> m_private;
     57     int m_lastId;
     58 };
     59 
     60 }
     61 
     62 #endif // WebGeolocationPermissionRequestManager_h
     63 
     64