inspector/augmentable/AlternateDispatchableAgent.h

   1 /*
   2  * Copyright (C) 2014 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 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 AlternateDispatchableAgent_h
  27 #define AlternateDispatchableAgent_h
  28
  29 #if ENABLE(INSPECTOR_ALTERNATE_DISPATCHERS)
  30
  31 #include "InspectorAlternateBackendDispatchers.h"
  32 #include "InspectorBackendDispatchers.h"
  33 #include <JavaScriptCore/InspectorAgentBase.h>
  34 #include <wtf/Forward.h>
  35
  36 namespace Inspector {
  37
  38 template<typename TBackendDispatcher, typename TAlternateDispatcher>
  39 class AlternateDispatchableAgent final : public InspectorAgentBase {
  40     WTF_MAKE_FAST_ALLOCATED;
  41 public:
  42     AlternateDispatchableAgent(const String& domainName, std::unique_ptr<TAlternateDispatcher> alternateDispatcher)
  43         : InspectorAgentBase(domainName)
  44         , m_alternateDispatcher(WTF::move(alternateDispatcher))
  45     {
  46     }
  47
  48     virtual void didCreateFrontendAndBackend(FrontendChannel*, BackendDispatcher* backendDispatcher) override
  49     {
  50         m_backendDispatcher = TBackendDispatcher::create(backendDispatcher, nullptr);
  51         m_backendDispatcher->setAlternateDispatcher(m_alternateDispatcher.get());
  52         m_alternateDispatcher->setBackendDispatcher(backendDispatcher);
  53     }
  54
  55     virtual void willDestroyFrontendAndBackend(DisconnectReason) override
  56     {
  57         m_backendDispatcher = nullptr;
  58         m_alternateDispatcher->setBackendDispatcher(nullptr);
  59     }
  60
  61 private:
  62     std::unique_ptr<TAlternateDispatcher> m_alternateDispatcher;
  63     RefPtr<TBackendDispatcher> m_backendDispatcher;
  64 };
  65
  66 } // namespace Inspector
  67
  68 #endif // ENABLE(INSPECTOR_ALTERNATE_DISPATCHERS)
  69
  70 #endif // AlternateDispatchableAgent_h