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      1 /*
      2  * Copyright (C) 2012 Intel Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions
      6  * are met:
      7  * 1. Redistributions of source code must retain the above copyright
      8  *    notice, this list of conditions and the following disclaimer.
      9  * 2. Redistributions in binary form must reproduce the above copyright
     10  *    notice, this list of conditions and the following disclaimer in the
     11  *    documentation and/or other materials provided with the distribution.
     12  *
     13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
     14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
     17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
     18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
     21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     24  */
     25 
     26 #ifndef PerformanceUserTiming_h
     27 #define PerformanceUserTiming_h
     28 
     29 #include "core/page/PerformanceTiming.h"
     30 #include "wtf/HashMap.h"
     31 #include "wtf/PassRefPtr.h"
     32 #include "wtf/RefCounted.h"
     33 #include "wtf/text/StringHash.h"
     34 #include "wtf/text/WTFString.h"
     35 
     36 namespace WebCore {
     37 
     38 class ExceptionState;
     39 class Performance;
     40 class PerformanceEntry;
     41 
     42 typedef unsigned long long (PerformanceTiming::*NavigationTimingFunction)() const;
     43 typedef HashMap<String, Vector<RefPtr<PerformanceEntry> > > PerformanceEntryMap;
     44 
     45 class UserTiming : public RefCounted<UserTiming> {
     46 public:
     47     static PassRefPtr<UserTiming> create(Performance* performance) { return adoptRef(new UserTiming(performance)); }
     48 
     49     void mark(const String& markName, ExceptionState&);
     50     void clearMarks(const String& markName);
     51 
     52     void measure(const String& measureName, const String& startMark, const String& endMark, ExceptionState&);
     53     void clearMeasures(const String& measureName);
     54 
     55     Vector<RefPtr<PerformanceEntry> > getMarks() const;
     56     Vector<RefPtr<PerformanceEntry> > getMeasures() const;
     57 
     58     Vector<RefPtr<PerformanceEntry> > getMarks(const String& name) const;
     59     Vector<RefPtr<PerformanceEntry> > getMeasures(const String& name) const;
     60 
     61 private:
     62     explicit UserTiming(Performance*);
     63 
     64     double findExistingMarkStartTime(const String& markName, ExceptionState&);
     65     Performance* m_performance;
     66     PerformanceEntryMap m_marksMap;
     67     PerformanceEntryMap m_measuresMap;
     68 };
     69 
     70 }
     71 
     72 #endif // !defined(PerformanceUserTiming_h)
     73