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/dom/EventTarget.h" 37 #include "core/page/DOMWindowProperty.h" 38 #include "core/page/MemoryInfo.h" 39 #include "core/page/PerformanceEntry.h" 40 #include "core/page/PerformanceNavigation.h" 41 #include "core/page/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 EventTarget { 57 public: 58 static PassRefPtr<Performance> create(Frame* frame) { return adoptRef(new Performance(frame)); } 59 ~Performance(); 60 61 virtual const AtomicString& interfaceName() const; 62 virtual ScriptExecutionContext* scriptExecutionContext() const; 63 64 PassRefPtr<MemoryInfo> memory() const; 65 PerformanceNavigation* navigation() const; 66 PerformanceTiming* timing() const; 67 double now() const; 68 69 Vector<RefPtr<PerformanceEntry> > getEntries() const; 70 Vector<RefPtr<PerformanceEntry> > getEntriesByType(const String& entryType); 71 Vector<RefPtr<PerformanceEntry> > getEntriesByName(const String& name, const String& entryType); 72 73 void webkitClearResourceTimings(); 74 void webkitSetResourceTimingBufferSize(unsigned int); 75 76 DEFINE_ATTRIBUTE_EVENT_LISTENER(webkitresourcetimingbufferfull); 77 78 void addResourceTiming(const ResourceTimingInfo&, Document*); 79 80 using RefCounted<Performance>::ref; 81 using RefCounted<Performance>::deref; 82 83 void mark(const String& markName, ExceptionState&); 84 void clearMarks(const String& markName); 85 86 void measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState&); 87 void clearMeasures(const String& measureName); 88 89 private: 90 explicit Performance(Frame*); 91 92 virtual void refEventTarget() { ref(); } 93 virtual void derefEventTarget() { deref(); } 94 virtual EventTargetData* eventTargetData(); 95 virtual EventTargetData* ensureEventTargetData(); 96 bool isResourceTimingBufferFull(); 97 void addResourceTimingBuffer(PassRefPtr<PerformanceEntry>); 98 99 EventTargetData m_eventTargetData; 100 101 mutable RefPtr<PerformanceNavigation> m_navigation; 102 mutable RefPtr<PerformanceTiming> m_timing; 103 104 Vector<RefPtr<PerformanceEntry> > m_resourceTimingBuffer; 105 unsigned m_resourceTimingBufferSize; 106 double m_referenceTime; 107 108 RefPtr<UserTiming> m_userTiming; 109 }; 110 111 } 112 113 #endif // Performance_h 114