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      1 /*
      2  * Copyright (C) 2008 Apple 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 COMPUTER, 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 COMPUTER, 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 
     27 #include "config.h"
     28 #include "ActiveDOMObject.h"
     29 
     30 #include "ScriptExecutionContext.h"
     31 #include "WorkerContext.h"
     32 #include "WorkerThread.h"
     33 
     34 namespace WebCore {
     35 
     36 ActiveDOMObject::ActiveDOMObject(ScriptExecutionContext* scriptExecutionContext, void* upcastPointer)
     37     : m_scriptExecutionContext(scriptExecutionContext)
     38     , m_pendingActivityCount(0)
     39 {
     40     if (m_scriptExecutionContext) {
     41         ASSERT(m_scriptExecutionContext->isContextThread());
     42         m_scriptExecutionContext->createdActiveDOMObject(this, upcastPointer);
     43     }
     44 }
     45 
     46 ActiveDOMObject::~ActiveDOMObject()
     47 {
     48     if (m_scriptExecutionContext) {
     49         ASSERT(m_scriptExecutionContext->isContextThread());
     50         m_scriptExecutionContext->destroyedActiveDOMObject(this);
     51     }
     52 }
     53 
     54 bool ActiveDOMObject::hasPendingActivity() const
     55 {
     56     return m_pendingActivityCount;
     57 }
     58 
     59 void ActiveDOMObject::contextDestroyed()
     60 {
     61     m_scriptExecutionContext = 0;
     62 }
     63 
     64 bool ActiveDOMObject::canSuspend() const
     65 {
     66     return false;
     67 }
     68 
     69 void ActiveDOMObject::suspend(ReasonForSuspension)
     70 {
     71 }
     72 
     73 void ActiveDOMObject::resume()
     74 {
     75 }
     76 
     77 void ActiveDOMObject::stop()
     78 {
     79 }
     80 
     81 } // namespace WebCore
     82