1/*
2 * Copyright (C) 2010 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 PerformanceTiming_h
32#define PerformanceTiming_h
33
34#if ENABLE(WEB_TIMING)
35
36#include "DOMWindowProperty.h"
37#include <wtf/PassRefPtr.h>
38#include <wtf/RefCounted.h>
39
40namespace WebCore {
41
42class DocumentLoadTiming;
43class DocumentLoader;
44struct DocumentTiming;
45class Frame;
46class ResourceLoadTiming;
47
48class PerformanceTiming : public RefCounted<PerformanceTiming>, public DOMWindowProperty {
49public:
50    static PassRefPtr<PerformanceTiming> create(Frame* frame) { return adoptRef(new PerformanceTiming(frame)); }
51
52    unsigned long long navigationStart() const;
53    unsigned long long unloadEventStart() const;
54    unsigned long long unloadEventEnd() const;
55    unsigned long long redirectStart() const;
56    unsigned long long redirectEnd() const;
57    unsigned long long fetchStart() const;
58    unsigned long long domainLookupStart() const;
59    unsigned long long domainLookupEnd() const;
60    unsigned long long connectStart() const;
61    unsigned long long connectEnd() const;
62    unsigned long long secureConnectionStart() const;
63    unsigned long long requestStart() const;
64    unsigned long long responseStart() const;
65    unsigned long long responseEnd() const;
66    unsigned long long domLoading() const;
67    unsigned long long domInteractive() const;
68    unsigned long long domContentLoadedEventStart() const;
69    unsigned long long domContentLoadedEventEnd() const;
70    unsigned long long domComplete() const;
71    unsigned long long loadEventStart() const;
72    unsigned long long loadEventEnd() const;
73
74private:
75    explicit PerformanceTiming(Frame*);
76
77    const DocumentTiming* documentTiming() const;
78    DocumentLoader* documentLoader() const;
79    DocumentLoadTiming* documentLoadTiming() const;
80    ResourceLoadTiming* resourceLoadTiming() const;
81    unsigned long long resourceLoadTimeRelativeToAbsolute(int) const;
82    unsigned long long monotonicTimeToIntegerMilliseconds(double) const;
83};
84
85}
86
87#endif // !ENABLE(WEB_TIMING)
88#endif // !defined(PerformanceTiming_h)
89