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/*
* Copyright (C) 2010 Google Inc. All rights reserved.
* Copyright (C) 2012 Intel Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// https://w3c.github.io/hr-time/#the-performance-interface
// TODO(foolip): This interface should be [Exposed=(Window,Worker)]. Doing that
// would allow the WorkerPerformance interface to be merged into this.
// TODO(foolip): None of the optional DOMString arguments in this interface
// should have a default value.
interface Performance : EventTarget {
DOMHighResTimeStamp now();
// Performance Timeline
// https://w3c.github.io/performance-timeline/#the-performance-interface
// TODO(foolip): getEntries() should take an optional FilterOptions argument.
[MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntries();
[MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntriesByType(DOMString entryType);
[MeasureAs=UnprefixedPerformanceTimeline] PerformanceEntryList getEntriesByName(DOMString name, optional DOMString entryType = null);
// Resource Timing
// https://w3c.github.io/resource-timing/#extensions-performance-interface
void clearResourceTimings();
void setResourceTimingBufferSize(unsigned long maxSize);
attribute EventHandler onresourcetimingbufferfull;
// Navigation Timing
// https://w3c.github.io/navigation-timing/#extensions-to-the-performance-interface
[SameObject, Measure] readonly attribute PerformanceTiming timing;
[SameObject, Measure] readonly attribute PerformanceNavigation navigation;
// User Timing
// https://w3c.github.io/user-timing/#extensions-performance-interface
[MeasureAs=UnprefixedUserTiming, RaisesException] void mark(DOMString markName);
[MeasureAs=UnprefixedUserTiming] void clearMarks(optional DOMString markName = null);
[MeasureAs=UnprefixedUserTiming, RaisesException] void measure(DOMString measureName, optional DOMString startMark = null, optional DOMString endMark = null);
[MeasureAs=UnprefixedUserTiming] void clearMeasures(optional DOMString measureName = null);
// Frame Timing
// https://w3c.github.io/frame-timing/#extensions-performance-interface
[RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void clearFrameTimings();
[RuntimeEnabled=FrameTimingSupport, MeasureAs=PerformanceFrameTiming] void setFrameTimingBufferSize(unsigned long maxSize);
[RuntimeEnabled=FrameTimingSupport] attribute EventHandler onframetimingbufferfull;
// TODO(foolip): There is no spec for the Memory Info API, see blink-dev:
// https://groups.google.com/a/chromium.org/d/msg/blink-dev/g5YRCGpC9vs/b4OJz71NmPwJ
[Measure] readonly attribute MemoryInfo memory;
serializer = {attribute};
};
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