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
39namespace blink {
40
41class RTCVoidRequest;
42
43class WebRTCVoidRequest {
44public:
45    class ExtraData {
46    public:
47        virtual ~ExtraData() { }
48    };
49
50    WebRTCVoidRequest() { }
51    WebRTCVoidRequest(const WebRTCVoidRequest& other) { assign(other); }
52    ~WebRTCVoidRequest() { reset(); }
53
54    WebRTCVoidRequest& operator=(const WebRTCVoidRequest& other)
55    {
56        assign(other);
57        return *this;
58    }
59
60    BLINK_PLATFORM_EXPORT void assign(const WebRTCVoidRequest&);
61
62    BLINK_PLATFORM_EXPORT void reset();
63    bool isNull() const { return m_private.isNull(); }
64
65    BLINK_PLATFORM_EXPORT void requestSucceeded() const;
66    BLINK_PLATFORM_EXPORT void requestFailed(const WebString& error) const;
67
68    // Extra data associated with this object.
69    // If non-null, the extra data pointer will be deleted when the object is destroyed.
70    // Setting the extra data pointer will cause any existing non-null
71    // extra data pointer to be deleted.
72    BLINK_PLATFORM_EXPORT ExtraData* extraData() const;
73    BLINK_PLATFORM_EXPORT void setExtraData(ExtraData*);
74
75#if INSIDE_BLINK
76    BLINK_PLATFORM_EXPORT WebRTCVoidRequest(RTCVoidRequest*);
77#endif
78
79private:
80    WebPrivatePtr<RTCVoidRequest> m_private;
81};
82
83} // namespace blink
84
85#endif // WebRTCVoidRequest_h
86