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      1 /*
      2  * Copyright (C) 2012 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 are
      6  * met:
      7  *
      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
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef WebRTCVoidRequest_h
     32 #define WebRTCVoidRequest_h
     33 
     34 #include "WebCommon.h"
     35 #include "WebNonCopyable.h"
     36 #include "WebPrivatePtr.h"
     37 #include "WebString.h"
     38 
     39 namespace WebCore {
     40 class RTCVoidRequest;
     41 }
     42 
     43 namespace WebKit {
     44 
     45 class WebRTCVoidRequest {
     46 public:
     47     class ExtraData {
     48     public:
     49         virtual ~ExtraData() { }
     50     };
     51 
     52     WebRTCVoidRequest() { }
     53     WebRTCVoidRequest(const WebRTCVoidRequest& other) { assign(other); }
     54     ~WebRTCVoidRequest() { reset(); }
     55 
     56     WebRTCVoidRequest& operator=(const WebRTCVoidRequest& other)
     57     {
     58         assign(other);
     59         return *this;
     60     }
     61 
     62     WEBKIT_EXPORT void assign(const WebRTCVoidRequest&);
     63 
     64     WEBKIT_EXPORT void reset();
     65     bool isNull() const { return m_private.isNull(); }
     66 
     67     WEBKIT_EXPORT void requestSucceeded() const;
     68     WEBKIT_EXPORT void requestFailed(const WebString& error) const;
     69 
     70     // Extra data associated with this object.
     71     // If non-null, the extra data pointer will be deleted when the object is destroyed.
     72     // Setting the extra data pointer will cause any existing non-null
     73     // extra data pointer to be deleted.
     74     WEBKIT_EXPORT ExtraData* extraData() const;
     75     WEBKIT_EXPORT void setExtraData(ExtraData*);
     76 
     77 #if WEBKIT_IMPLEMENTATION
     78     WebRTCVoidRequest(const WTF::PassRefPtr<WebCore::RTCVoidRequest>&);
     79 #endif
     80 
     81 private:
     82     WebPrivatePtr<WebCore::RTCVoidRequest> m_private;
     83 };
     84 
     85 } // namespace WebKit
     86 
     87 #endif // WebRTCVoidRequest_h
     88