Source/WebCore/page/Performance.cpp

   1 /*
   2  * Copyright (C) 2010 Google 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 are
   6  * met:
   7  *
   8  *     * Redistributions of source code must retain the above copyright
   9  * notice, this list of conditions and the following disclaimer.
  10  *     * Redistributions in binary form must reproduce the above
  11  * copyright notice, this list of conditions and the following disclaimer
  12  * in the documentation and/or other materials provided with the
  13  * distribution.
  14  *     * Neither the name of Google Inc. nor the names of its
  15  * contributors may be used to endorse or promote products derived from
  16  * this software without specific prior written permission.
  17  *
  18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "Performance.h"
  33
  34 #include "Document.h"
  35 #include "DocumentLoader.h"
  36 #include "MemoryInfo.h"
  37 #include "PerformanceEntry.h"
  38 #include "PerformanceNavigation.h"
  39 #include "PerformanceResourceTiming.h"
  40 #include "PerformanceTiming.h"
  41 #include "ResourceResponse.h"
  42 #include <wtf/CurrentTime.h>
  43
  44 #if ENABLE(WEB_TIMING)
  45
  46 #include "Frame.h"
  47
  48 namespace WebCore {
  49
  50 Performance::Performance(Frame* frame)
  51     : DOMWindowProperty(frame)
  52 {
  53 }
  54
  55 Performance::~Performance()
  56 {
  57 }
  58
  59 const AtomicString& Performance::interfaceName() const
  60 {
  61     return eventNames().interfaceForPerformance;
  62 }
  63
  64 ScriptExecutionContext* Performance::scriptExecutionContext() const
  65 {
  66     if (!frame())
  67         return 0;
  68     return frame()->document();
  69 }
  70
  71 PassRefPtr<MemoryInfo> Performance::memory() const
  72 {
  73     return MemoryInfo::create(m_frame);
  74 }
  75
  76 PerformanceNavigation* Performance::navigation() const
  77 {
  78     if (!m_navigation)
  79         m_navigation = PerformanceNavigation::create(m_frame);
  80
  81     return m_navigation.get();
  82 }
  83
  84 PerformanceTiming* Performance::timing() const
  85 {
  86     if (!m_timing)
  87         m_timing = PerformanceTiming::create(m_frame);
  88
  89     return m_timing.get();
  90 }
  91
  92 #if ENABLE(PERFORMANCE_TIMELINE)
  93
  94 PassRefPtr<PerformanceEntryList> Performance::webkitGetEntries() const
  95 {
  96     RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
  97
  98 #if ENABLE(RESOURCE_TIMING)
  99     entries->appendAll(m_resourceTimingBuffer);
 100 #endif // ENABLE(RESOURCE_TIMING)
 101
 102     return entries;
 103 }
 104
 105 PassRefPtr<PerformanceEntryList> Performance::webkitGetEntriesByType(const String& entryType)
 106 {
 107     RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
 108
 109 #if ENABLE(RESOURCE_TIMING)
 110     if (equalIgnoringCase(entryType, "resource"))
 111         for (Vector<RefPtr<PerformanceEntry> >::const_iterator resource = m_resourceTimingBuffer.begin(); resource != m_resourceTimingBuffer.end(); ++resource)
 112             entries->append(*resource);
 113 #endif // ENABLE(RESOURCE_TIMING)
 114
 115     return entries;
 116 }
 117
 118 PassRefPtr<PerformanceEntryList> Performance::webkitGetEntriesByName(const String& name, const String& entryType)
 119 {
 120     RefPtr<PerformanceEntryList> entries = PerformanceEntryList::create();
 121
 122 #if ENABLE(RESOURCE_TIMING)
 123     if (entryType.isNull() || equalIgnoringCase(entryType, "resource"))
 124         for (Vector<RefPtr<PerformanceEntry> >::const_iterator resource = m_resourceTimingBuffer.begin(); resource != m_resourceTimingBuffer.end(); ++resource)
 125             if ((*resource)->name() == name)
 126                 entries->append(*resource);
 127 #endif // ENABLE(RESOURCE_TIMING)
 128
 129     return entries;
 130 }
 131
 132 #endif // ENABLE(PERFORMANCE_TIMELINE)
 133
 134 #if ENABLE(RESOURCE_TIMING)
 135
 136 void Performance::webkitClearResourceTimings()
 137 {
 138     m_resourceTimingBuffer.clear();
 139 }
 140
 141 void Performance::webkitSetResourceTimingBufferSize(unsigned int)
 142 {
 143     // FIXME: Implement this.
 144 }
 145
 146 void Performance::addResourceTiming(const ResourceRequest& request, const ResourceResponse& response, double finishTime, Document* requestingDocument)
 147 {
 148     if (!response.resourceLoadTiming())
 149         return;
 150
 151     RefPtr<PerformanceEntry> entry = PerformanceResourceTiming::create(request, response, finishTime, requestingDocument);
 152     // FIXME: Need to enforce buffer limits.
 153     m_resourceTimingBuffer.append(entry);
 154 }
 155
 156 #endif // ENABLE(RESOURCE_TIMING)
 157
 158 EventTargetData* Performance::eventTargetData()
 159 {
 160     return &m_eventTargetData;
 161 }
 162
 163 EventTargetData* Performance::ensureEventTargetData()
 164 {
 165     return &m_eventTargetData;
 166 }
 167
 168 double Performance::webkitNow() const
 169 {
 170     return 1000.0 * m_frame->document()->loader()->timing()->convertMonotonicTimeToZeroBasedDocumentTime(monotonicallyIncreasingTime());
 171 }
 172
 173 } // namespace WebCore
 174
 175 #endif // ENABLE(WEB_TIMING)