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      1 /*
      2  * Copyright (C) 2011 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 "core/inspector/InspectorMemoryAgent.h"
     33 
     34 #include "InspectorFrontend.h"
     35 #include "core/inspector/InspectorCounters.h"
     36 #include "wtf/OwnPtr.h"
     37 #include "wtf/PassOwnPtr.h"
     38 
     39 namespace WebCore {
     40 
     41 InspectorMemoryAgent::~InspectorMemoryAgent()
     42 {
     43 }
     44 
     45 void InspectorMemoryAgent::getDOMCounters(ErrorString*, int* documents, int* nodes, int* jsEventListeners)
     46 {
     47     *documents = InspectorCounters::counterValue(InspectorCounters::DocumentCounter);
     48     *nodes = InspectorCounters::counterValue(InspectorCounters::NodeCounter);
     49     *jsEventListeners = ThreadLocalInspectorCounters::current().counterValue(ThreadLocalInspectorCounters::JSEventListenerCounter);
     50 }
     51 
     52 InspectorMemoryAgent::InspectorMemoryAgent(InstrumentingAgents* instrumentingAgents, InspectorCompositeState* state)
     53     : InspectorBaseAgent<InspectorMemoryAgent>("Memory", instrumentingAgents, state)
     54     , m_frontend(0)
     55 {
     56 }
     57 
     58 void InspectorMemoryAgent::setFrontend(InspectorFrontend* frontend)
     59 {
     60     ASSERT(!m_frontend);
     61     m_frontend = frontend->memory();
     62 }
     63 
     64 void InspectorMemoryAgent::clearFrontend()
     65 {
     66     m_frontend = 0;
     67 }
     68 
     69 } // namespace WebCore
     70 
     71