Update To 11.40.268.0
[platform/framework/web/crosswalk.git] / src / third_party / WebKit / Source / modules / performance / SharedWorkerPerformance.h
1 /*
2  * Copyright (c) 2014, Opera Software ASA. 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  * 3. Neither the name of Opera Software ASA nor the names of its
13  *    contributors may be used to endorse or promote products derived
14  *    from this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
19  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
20  * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
21  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
23  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
25  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
27  * OF THE POSSIBILITY OF SUCH DAMAGE.
28  */
29
30 #ifndef SharedWorkerPerformance_h
31 #define SharedWorkerPerformance_h
32
33 #include "platform/Supplementable.h"
34 #include "platform/heap/Handle.h"
35
36 namespace blink {
37
38 class ExecutionContext;
39 class SharedWorker;
40
41 class SharedWorkerPerformance final : public NoBaseWillBeGarbageCollected<SharedWorkerPerformance>, public WillBeHeapSupplement<SharedWorker> {
42     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(SharedWorkerPerformance);
43 public:
44     static SharedWorkerPerformance& from(SharedWorker&);
45
46     static double workerStart(ExecutionContext*, SharedWorker&);
47     double getWorkerStart(ExecutionContext*, SharedWorker&) const;
48
49     virtual void trace(Visitor* visitor) override { WillBeHeapSupplement<SharedWorker>::trace(visitor); }
50
51 private:
52     SharedWorkerPerformance();
53     static const char* supplementName();
54
55     double m_timeOrigin;
56 };
57
58 } // namespace blink
59
60 #endif // SharedWorkerPerformance_h