1/*
2 * Copyright (C) 2011 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 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY
17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25#ifndef WebWorkerRunLoop_h
26#define WebWorkerRunLoop_h
27
28#include "WebCommon.h"
29
30namespace WebCore {
31class WorkerRunLoop;
32}
33
34namespace blink {
35
36class WebWorkerRunLoop {
37public:
38    class Task {
39    public:
40        virtual ~Task() { }
41        virtual void Run() = 0;
42    };
43
44    // Returns true if the task was posted to a non-terminated loop.
45    BLINK_EXPORT bool postTask(Task*);
46    BLINK_EXPORT bool equals(const WebWorkerRunLoop&) const;
47    BLINK_EXPORT bool lessThan(const WebWorkerRunLoop&) const;
48
49#if BLINK_IMPLEMENTATION
50    WebWorkerRunLoop(WebCore::WorkerRunLoop*);
51#endif
52
53private:
54    WebCore::WorkerRunLoop* m_workerRunLoop;
55};
56
57inline bool operator==(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b)
58{
59    return a.equals(b);
60}
61
62inline bool operator<(const WebWorkerRunLoop& a, const WebWorkerRunLoop& b)
63{
64    return a.lessThan(b);
65}
66
67}
68
69#endif
70