Source/WebCore/page/Performance.idl

/*
 * 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,
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 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 */

// See: https://dvcs.w3.org/hg/webperf/raw-file/tip/specs/NavigationTiming/Overview.html
[
    Conditional=WEB_TIMING,
    GenerateIsReachable=ImplFrame,
] interface Performance : EventTarget {
    readonly attribute PerformanceNavigation navigation;
    readonly attribute PerformanceTiming timing;

    [EnabledAtRuntime=ResourceTiming] PerformanceEntryList getEntries();
    [EnabledAtRuntime=ResourceTiming] PerformanceEntryList getEntriesByType(DOMString entryType);
    [EnabledAtRuntime=ResourceTiming] PerformanceEntryList getEntriesByName(DOMString name, optional DOMString entryType);


    [EnabledAtRuntime=ResourceTiming] void clearResourceTimings();
    [EnabledAtRuntime=ResourceTiming] void setResourceTimingBufferSize(unsigned long maxSize);

    [EnabledAtRuntime=ResourceTiming] attribute EventHandler onresourcetimingbufferfull;

    // See http://www.w3.org/TR/2012/CR-user-timing-20120726/
#if defined(ENABLE_USER_TIMING) && ENABLE_USER_TIMING
    [MayThrowLegacyException] void webkitMark(DOMString markName);
    void webkitClearMarks(optional  DOMString markName);

    [MayThrowLegacyException] void webkitMeasure(DOMString measureName, optional DOMString startMark, optional DOMString endMark);
    void webkitClearMeasures(optional DOMString measureName);
#endif

    // See http://www.w3.org/TR/hr-time/ for details.
    unrestricted double now();
};

typedef sequence<PerformanceEntry> PerformanceEntryList;