third_party/WebKit/Source/core/dom/StringCallback.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,
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  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
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  28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29  */
  30
  31 #include "config.h"
  32 #include "core/dom/StringCallback.h"
  33
  34 #include "core/dom/ExecutionContext.h"
  35 #include "core/dom/ExecutionContextTask.h"
  36 #include "public/platform/WebTraceLocation.h"
  37 #include "wtf/text/WTFString.h"
  38
  39 namespace blink {
  40
  41 namespace {
  42
  43 class DispatchCallbackTask final : public ExecutionContextTask {
  44 public:
  45     static PassOwnPtr<DispatchCallbackTask> create(StringCallback* callback, const String& data, const String& taskName)
  46     {
  47         return adoptPtr(new DispatchCallbackTask(callback, data, taskName));
  48     }
  49
  50     void performTask(ExecutionContext*) override
  51     {
  52         m_callback->handleEvent(m_data);
  53     }
  54
  55     String taskNameForInstrumentation() const override
  56     {
  57         return m_taskName;
  58     }
  59
  60 private:
  61     DispatchCallbackTask(StringCallback* callback, const String& data, const String& taskName)
  62         : m_callback(callback)
  63         , m_data(data)
  64         , m_taskName(taskName)
  65     {
  66     }
  67
  68     Persistent<StringCallback> m_callback;
  69     const String m_data;
  70     const String m_taskName;
  71 };
  72
  73 } // namespace
  74
  75 void StringCallback::scheduleCallback(StringCallback* callback, ExecutionContext* context, const String& data, const String& instrumentationName)
  76 {
  77     context->postTask(FROM_HERE, DispatchCallbackTask::create(callback, data, instrumentationName));
  78 }
  79
  80 } // namespace blink