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#include "config.h"
33#include "Performance.h"
34
35#include "Document.h"
36#include "DocumentLoader.h"
37#include "PerformanceEntry.h"
38#include "PerformanceNavigation.h"
39#include "PerformanceResourceTiming.h"
40#include "PerformanceTiming.h"
41#include "PerformanceUserTiming.h"
42#include "ResourceResponse.h"
43#include <wtf/CurrentTime.h>
44
45#if ENABLE(WEB_TIMING)
46
47#include "Frame.h"
48
49namespace WebCore {
50
51#if ENABLE(RESOURCE_TIMING)
52static const size_t defaultResourceTimingBufferSize = 150;
53#endif
54
55Performance::Performance(Frame* frame)
56    : DOMWindowProperty(frame)
57#if ENABLE(RESOURCE_TIMING)
58    , m_resourceTimingBufferSize(defaultResourceTimingBufferSize)
59#endif // ENABLE(RESOURCE_TIMING)
60#if ENABLE(USER_TIMING)
61    , m_userTiming(0)
62#endif // ENABLE(USER_TIMING)
63{
64}
65
66Performance::~Performance()
67{
68}
69
70ScriptExecutionContext* Performance::scriptExecutionContext() const
71{
72    if (!frame())
73        return 0;
74    return frame()->document();
75}
76
77PerformanceNavigation* Performance::navigation() const
78{
79    if (!m_navigation)
80        m_navigation = PerformanceNavigation::create(m_frame);
81
82    return m_navigation.get();
83}
84
85PerformanceTiming* Performance::timing() const
86{
87    if (!m_timing)
88        m_timing = PerformanceTiming::create(m_frame);
89
90    return m_timing.get();
91}
92
93#if ENABLE(PERFORMANCE_TIMELINE)
94PassRefPtr<PerformanceEntryList> Performance::webkitGetEntries() const
95{
96    RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
97
98#if ENABLE(RESOURCE_TIMING)
99    entries->appendAll(m_resourceTimingBuffer);
100#endif // ENABLE(RESOURCE_TIMING)
101
102#if ENABLE(USER_TIMING)
103    if (m_userTiming) {
104        entries->appendAll(m_userTiming->getMarks());
105        entries->appendAll(m_userTiming->getMeasures());
106    }
107#endif // ENABLE(USER_TIMING)
108
109    entries->sort();
110    return entries;
111}
112
113PassRefPtr<PerformanceEntryList> Performance::webkitGetEntriesByType(const String& entryType)
114{
115    RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
116
117#if ENABLE(RESOURCE_TIMING)
118    if (equalIgnoringCase(entryType, "resource"))
119        for (Vector<RefPtr<PerformanceEntry>>::const_iterator resource = m_resourceTimingBuffer.begin(); resource != m_resourceTimingBuffer.end(); ++resource)
120            entries->append(*resource);
121#endif // ENABLE(RESOURCE_TIMING)
122
123#if ENABLE(USER_TIMING)
124    if (m_userTiming) {
125        if (equalIgnoringCase(entryType, "mark"))
126            entries->appendAll(m_userTiming->getMarks());
127        else if (equalIgnoringCase(entryType, "measure"))
128            entries->appendAll(m_userTiming->getMeasures());
129    }
130#endif // ENABLE(USER_TIMING)
131
132    entries->sort();
133    return entries;
134}
135
136PassRefPtr<PerformanceEntryList> Performance::webkitGetEntriesByName(const String& name, const String& entryType)
137{
138    RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
139
140#if ENABLE(RESOURCE_TIMING)
141    if (entryType.isNull() || equalIgnoringCase(entryType, "resource"))
142        for (Vector<RefPtr<PerformanceEntry>>::const_iterator resource = m_resourceTimingBuffer.begin(); resource != m_resourceTimingBuffer.end(); ++resource)
143            if ((*resource)->name() == name)
144                entries->append(*resource);
145#endif // ENABLE(RESOURCE_TIMING)
146
147#if ENABLE(USER_TIMING)
148    if (m_userTiming) {
149        if (entryType.isNull() || equalIgnoringCase(entryType, "mark"))
150            entries->appendAll(m_userTiming->getMarks(name));
151        if (entryType.isNull() || equalIgnoringCase(entryType, "measure"))
152            entries->appendAll(m_userTiming->getMeasures(name));
153    }
154#endif // ENABLE(USER_TIMING)
155
156    entries->sort();
157    return entries;
158}
159
160#endif // ENABLE(PERFORMANCE_TIMELINE)
161
162#if ENABLE(RESOURCE_TIMING)
163
164void Performance::webkitClearResourceTimings()
165{
166    m_resourceTimingBuffer.clear();
167}
168
169void Performance::webkitSetResourceTimingBufferSize(unsigned size)
170{
171    m_resourceTimingBufferSize = size;
172    if (isResourceTimingBufferFull())
173        dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullEvent, false, false));
174}
175
176void Performance::addResourceTiming(const String& initiatorName, Document* initiatorDocument, const ResourceRequest& request, const ResourceResponse& response, double initiationTime, double finishTime)
177{
178    if (isResourceTimingBufferFull())
179        return;
180
181    RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(initiatorName, request, response, initiationTime, finishTime, initiatorDocument);
182
183    m_resourceTimingBuffer.append(entry);
184
185    if (isResourceTimingBufferFull())
186        dispatchEvent(Event::create(eventNames().webkitresourcetimingbufferfullEvent, false, false));
187}
188
189bool Performance::isResourceTimingBufferFull()
190{
191    return m_resourceTimingBuffer.size() >= m_resourceTimingBufferSize;
192}
193
194#endif // ENABLE(RESOURCE_TIMING)
195
196#if ENABLE(USER_TIMING)
197void Performance::webkitMark(const String& markName, ExceptionCode& ec)
198{
199    ec = 0;
200    if (!m_userTiming)
201        m_userTiming = UserTiming::create(this);
202    m_userTiming->mark(markName, ec);
203}
204
205void Performance::webkitClearMarks(const String& markName)
206{
207    if (!m_userTiming)
208        m_userTiming = UserTiming::create(this);
209    m_userTiming->clearMarks(markName);
210}
211
212void Performance::webkitMeasure(const String& measureName, const String& startMark, const String& endMark, ExceptionCode& ec)
213{
214    ec = 0;
215    if (!m_userTiming)
216        m_userTiming = UserTiming::create(this);
217    m_userTiming->measure(measureName, startMark, endMark, ec);
218}
219
220void Performance::webkitClearMeasures(const String& measureName)
221{
222    if (!m_userTiming)
223        m_userTiming = UserTiming::create(this);
224    m_userTiming->clearMeasures(measureName);
225}
226
227#endif // ENABLE(USER_TIMING)
228
229double Performance::now() const
230{
231    return 1000.0 * m_frame->document()->loader()->timing()->monotonicTimeToZeroBasedDocumentTime(monotonicallyIncreasingTime());
232}
233
234} // namespace WebCore
235
236#endif // ENABLE(WEB_TIMING)
237