third_party/WebKit/public/web/WebGeolocationPermissionRequestManager.h

   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 "../platform/WebNonCopyable.h"
  30 #include "../platform/WebPrivatePtr.h"
  31
  32 namespace blink {
  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() { }
  46     ~WebGeolocationPermissionRequestManager() { reset(); }
  47
  48     BLINK_EXPORT int add(const WebGeolocationPermissionRequest&);
  49     BLINK_EXPORT bool remove(const WebGeolocationPermissionRequest&, int&);
  50     BLINK_EXPORT bool remove(int, WebGeolocationPermissionRequest&);
  51
  52 private:
  53     BLINK_EXPORT void reset();
  54
  55     WebGeolocationPermissionRequestManagerPrivate* ensureManager();
  56
  57     WebPrivatePtr<WebGeolocationPermissionRequestManagerPrivate> m_private;
  58 };
  59
  60 }
  61
  62 #endif // WebGeolocationPermissionRequestManager_h
  63