WebGeolocationPermissionRequestManager.h   [plain text]

/*
 * Copyright (C) 2010 Google Inc. All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
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 * 2.  Redistributions in binary form must reproduce the above copyright
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 *
 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
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 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
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#ifndef WebGeolocationPermissionRequestManager_h
#define WebGeolocationPermissionRequestManager_h

#include "WebNonCopyable.h"
#include "WebPrivateOwnPtr.h"

namespace WebKit {

class WebGeolocationPermissionRequest;
class WebGeolocationPermissionRequestManagerPrivate;

// This class is used to map between integer identifiers and WebGeolocationPermissionRequest
// instances. The intended usage is that on WebGeolocationClient::requestPermission(),
// the implementer can call add() to associate an id with the WebGeolocationPermissionRequest object.
// Once the permission request has been decided, the second remove() method can be used to
// find the request. On WebGeolocationClient::cancelPermissionRequest, the first remove() method will
// remove the association with the id.
class WebGeolocationPermissionRequestManager : public WebNonCopyable {
public:
    WebGeolocationPermissionRequestManager() { init(); }
    ~WebGeolocationPermissionRequestManager() { reset(); }

    WEBKIT_API int add(const WebKit::WebGeolocationPermissionRequest&);
    WEBKIT_API bool remove(const WebKit::WebGeolocationPermissionRequest&, int&);
    WEBKIT_API bool remove(int, WebKit::WebGeolocationPermissionRequest&);

private:
    WEBKIT_API void init();
    WEBKIT_API void reset();

    WebPrivateOwnPtr<WebGeolocationPermissionRequestManagerPrivate> m_private;
    int m_lastId;
};

}

#endif // WebGeolocationPermissionRequestManager_h