1 /*
2 * Copyright (C) 2013 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 #include "config.h"
32
33 #include "modules/performance/WorkerGlobalScopePerformance.h"
34
35 #include "core/workers/WorkerGlobalScope.h"
36 #include "modules/performance/WorkerPerformance.h"
37
38 namespace blink {
39
WorkerGlobalScopePerformance()40 WorkerGlobalScopePerformance::WorkerGlobalScopePerformance()
41 {
42 }
43
supplementName()44 const char* WorkerGlobalScopePerformance::supplementName()
45 {
46 return "WorkerGlobalScopePerformance";
47 }
48
from(WorkerGlobalScope & context)49 WorkerGlobalScopePerformance& WorkerGlobalScopePerformance::from(WorkerGlobalScope& context)
50 {
51 WorkerGlobalScopePerformance* supplement = static_cast<WorkerGlobalScopePerformance*>(WillBeHeapSupplement<WorkerGlobalScope>::from(context, supplementName()));
52 if (!supplement) {
53 supplement = new WorkerGlobalScopePerformance();
54 provideTo(context, supplementName(), adoptPtrWillBeNoop(supplement));
55 }
56 return *supplement;
57 }
58
performance(WorkerGlobalScope & context)59 WorkerPerformance* WorkerGlobalScopePerformance::performance(WorkerGlobalScope& context)
60 {
61 return from(context).performance();
62 }
63
performance()64 WorkerPerformance* WorkerGlobalScopePerformance::performance()
65 {
66 if (!m_performance)
67 m_performance = WorkerPerformance::create();
68 return m_performance.get();
69 }
70
trace(Visitor * visitor)71 void WorkerGlobalScopePerformance::trace(Visitor* visitor)
72 {
73 visitor->trace(m_performance);
74 WillBeHeapSupplement<WorkerGlobalScope>::trace(visitor);
75 }
76
77 } // namespace blink
78