1/*
2 * Copyright (C) 2010 Google Inc. All rights reserved.
3 * Copyright (C) 2012 Intel Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met:
8 *
9 *     * Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 *     * Redistributions in binary form must reproduce the above
12 * copyright notice, this list of conditions and the following disclaimer
13 * in the documentation and/or other materials provided with the
14 * distribution.
15 *     * Neither the name of Google Inc. nor the names of its
16 * contributors may be used to endorse or promote products derived from
17 * this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
22 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
23 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
24 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
25 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#ifndef Performance_h
33#define Performance_h
34
35#if ENABLE(WEB_TIMING)
36
37#include "DOMWindowProperty.h"
38#include "EventTarget.h"
39#include "PerformanceEntryList.h"
40#include "PerformanceNavigation.h"
41#include "PerformanceTiming.h"
42#include "ScriptWrappable.h"
43#include <wtf/PassRefPtr.h>
44#include <wtf/RefCounted.h>
45#include <wtf/RefPtr.h>
46#include <wtf/text/WTFString.h>
47
48namespace WebCore {
49
50class Document;
51class ResourceRequest;
52class ResourceResponse;
53class UserTiming;
54
55class Performance : public ScriptWrappable, public RefCounted<Performance>, public DOMWindowProperty, public EventTarget {
56public:
57    static PassRefPtr<Performance> create(Frame* frame) { return adoptRef(new Performance(frame)); }
58    ~Performance();
59
60    virtual const AtomicString& interfaceName() const;
61    virtual ScriptExecutionContext* scriptExecutionContext() const;
62
63    PerformanceNavigation* navigation() const;
64    PerformanceTiming* timing() const;
65    double now() const;
66
67#if ENABLE(PERFORMANCE_TIMELINE)
68    PassRefPtr<PerformanceEntryList> webkitGetEntries() const;
69    PassRefPtr<PerformanceEntryList> webkitGetEntriesByType(const String& entryType);
70    PassRefPtr<PerformanceEntryList> webkitGetEntriesByName(const String& name, const String& entryType);
71#endif
72
73#if ENABLE(RESOURCE_TIMING)
74    void webkitClearResourceTimings();
75    void webkitSetResourceTimingBufferSize(unsigned int);
76
77    DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitresourcetimingbufferfull);
78
79    void addResourceTiming(const String& initiatorName, Document*, const ResourceRequest&, const ResourceResponse&, double initiationTime, double finishTime);
80#endif
81
82    using RefCounted<Performance>::ref;
83    using RefCounted<Performance>::deref;
84
85#if ENABLE(USER_TIMING)
86    void webkitMark(const String& markName, ExceptionCode&);
87    void webkitClearMarks(const String& markName);
88
89    void webkitMeasure(const String& measureName, const String& startMark, const String& endMark, ExceptionCode&);
90    void webkitClearMeasures(const String& measureName);
91#endif // ENABLE(USER_TIMING)
92
93private:
94    explicit Performance(Frame*);
95
96    virtual void refEventTarget() { ref(); }
97    virtual void derefEventTarget() { deref(); }
98    virtual EventTargetData* eventTargetData();
99    virtual EventTargetData* ensureEventTargetData();
100    bool isResourceTimingBufferFull();
101
102    EventTargetData m_eventTargetData;
103
104    mutable RefPtr<PerformanceNavigation> m_navigation;
105    mutable RefPtr<PerformanceTiming> m_timing;
106
107#if ENABLE(RESOURCE_TIMING)
108    Vector<RefPtr<PerformanceEntry> > m_resourceTimingBuffer;
109    unsigned m_resourceTimingBufferSize;
110#endif
111
112#if ENABLE(USER_TIMING)
113    RefPtr<UserTiming> m_userTiming;
114#endif // ENABLE(USER_TIMING)
115};
116
117}
118
119#endif // ENABLE(WEB_TIMING)
120
121#endif // Performance_h
122