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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// See: http://www.w3.org/TR/navigation-timing/
33[
34    WillBeGarbageCollected
35] interface Performance : EventTarget {
36    readonly attribute PerformanceNavigation navigation;
37    readonly attribute PerformanceTiming timing;
38    readonly attribute MemoryInfo memory;
39
40    [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntries();
41    [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntriesByType(DOMString entryType);
42    [MeasureAs=UnprefixedPerformanceTimeline] sequence<PerformanceEntry> getEntriesByName(DOMString name, optional DOMString entryType = null);
43
44    [MeasureAs=PrefixedPerformanceClearResourceTimings] void webkitClearResourceTimings();
45    [MeasureAs=PrefixedPerformanceSetResourceTimingBufferSize] void webkitSetResourceTimingBufferSize(unsigned long maxSize);
46
47    attribute EventHandler onwebkitresourcetimingbufferfull;
48
49    // See http://www.w3.org/TR/2012/CR-user-timing-20120726/
50    [RaisesException,MeasureAs=UnprefixedUserTiming] void mark(DOMString markName);
51    [MeasureAs=UnprefixedUserTiming] void clearMarks(optional DOMString markName = null);
52
53    [RaisesException,MeasureAs=UnprefixedUserTiming] void measure(DOMString measureName, optional DOMString startMark = null, optional DOMString endMark = null);
54    [MeasureAs=UnprefixedUserTiming] void clearMeasures(optional DOMString measureName = null);
55
56    // See http://www.w3.org/TR/hr-time/ for details.
57    double now();
58};
59
60