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 <wtf/PassRefPtr.h>
37 #include <wtf/RefCounted.h>
38 
39 namespace WebCore {
40 
41 struct DocumentLoadTiming;
42 class DocumentLoader;
43 struct DocumentTiming;
44 class Frame;
45 class ResourceLoadTiming;
46 
47 class PerformanceTiming : public RefCounted<PerformanceTiming> {
48 public:
create(Frame * frame)49     static PassRefPtr<PerformanceTiming> create(Frame* frame) { return adoptRef(new PerformanceTiming(frame)); }
50 
51     Frame* frame() const;
52     void disconnectFrame();
53 
54     unsigned long long navigationStart() const;
55     unsigned long long unloadEventStart() const;
56     unsigned long long unloadEventEnd() const;
57     unsigned long long redirectStart() const;
58     unsigned long long redirectEnd() const;
59     unsigned long long fetchStart() const;
60     unsigned long long domainLookupStart() const;
61     unsigned long long domainLookupEnd() const;
62     unsigned long long connectStart() const;
63     unsigned long long connectEnd() const;
64     unsigned long long secureConnectionStart() const;
65     unsigned long long requestStart() const;
66     unsigned long long responseStart() const;
67     unsigned long long responseEnd() const;
68     unsigned long long domLoading() const;
69     unsigned long long domInteractive() const;
70     unsigned long long domContentLoadedEventStart() const;
71     unsigned long long domContentLoadedEventEnd() const;
72     unsigned long long domComplete() const;
73     unsigned long long loadEventStart() const;
74     unsigned long long loadEventEnd() const;
75 
76 private:
77     PerformanceTiming(Frame*);
78 
79     const DocumentTiming* documentTiming() const;
80     DocumentLoader* documentLoader() const;
81     DocumentLoadTiming* documentLoadTiming() const;
82     ResourceLoadTiming* resourceLoadTiming() const;
83     unsigned long long resourceLoadTimeRelativeToAbsolute(int) const;
84 
85     Frame* m_frame;
86 };
87 
88 }
89 
90 #endif // !ENABLE(WEB_TIMING)
91 #endif // !defined(PerformanceTiming_h)
92