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 #include "bindings/v8/ScriptWrappable.h" 36 #include "core/events/EventTarget.h" 37 #include "core/frame/DOMWindowProperty.h" 38 #include "core/timing/MemoryInfo.h" 39 #include "core/timing/PerformanceEntry.h" 40 #include "core/timing/PerformanceNavigation.h" 41 #include "core/timing/PerformanceTiming.h" 42 #include "wtf/PassRefPtr.h" 43 #include "wtf/RefCounted.h" 44 #include "wtf/RefPtr.h" 45 #include "wtf/text/WTFString.h" 46 47 namespace WebCore { 48 49 class Document; 50 class ExceptionState; 51 class ResourceRequest; 52 class ResourceResponse; 53 class ResourceTimingInfo; 54 class UserTiming; 55 56 class Performance : public ScriptWrappable, public RefCounted<Performance>, public DOMWindowProperty, public EventTargetWithInlineData { 57 REFCOUNTED_EVENT_TARGET(Performance); 58 public: create(Frame * frame)59 static PassRefPtr<Performance> create(Frame* frame) { return adoptRef(new Performance(frame)); } 60 ~Performance(); 61 62 virtual const AtomicString& interfaceName() const OVERRIDE; 63 virtual ExecutionContext* executionContext() const OVERRIDE; 64 65 PassRefPtr<MemoryInfo> memory() const; 66 PerformanceNavigation* navigation() const; 67 PerformanceTiming* timing() const; 68 double now() const; 69 70 Vector<RefPtr<PerformanceEntry> > getEntries() const; 71 Vector<RefPtr<PerformanceEntry> > getEntriesByType(const String& entryType); 72 Vector<RefPtr<PerformanceEntry> > getEntriesByName(const String& name, const String& entryType); 73 74 void webkitClearResourceTimings(); 75 void webkitSetResourceTimingBufferSize(unsigned int); 76 77 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitresourcetimingbufferfull); 78 79 void addResourceTiming(const ResourceTimingInfo&, Document*); 80 81 void mark(const String& markName, ExceptionState&); 82 void clearMarks(const String& markName); 83 84 void measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState&); 85 void clearMeasures(const String& measureName); 86 87 private: 88 explicit Performance(Frame*); 89 90 bool isResourceTimingBufferFull(); 91 void addResourceTimingBuffer(PassRefPtr<PerformanceEntry>); 92 93 mutable RefPtr<PerformanceNavigation> m_navigation; 94 mutable RefPtr<PerformanceTiming> m_timing; 95 96 Vector<RefPtr<PerformanceEntry> > m_resourceTimingBuffer; 97 unsigned m_resourceTimingBufferSize; 98 double m_referenceTime; 99 100 RefPtr<UserTiming> m_userTiming; 101 }; 102 103 } 104 105 #endif // Performance_h 106