text: /*
   * Copyright (C) 2013 Google Inc. All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   *     * Redistributions of source code must retain the above copyright
   * notice, this list of conditions and the following disclaimer.
   *     * Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following disclaimer
   * in the documentation and/or other materials provided with the
   * distribution.
   *     * Neither the name of Google Inc. nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
   * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
   * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef ServiceWorkerContainer_h
  #define ServiceWorkerContainer_h
  
  #include "bindings/core/v8/ScriptPromise.h"
  #include "bindings/core/v8/ScriptPromiseProperty.h"
  #include "bindings/core/v8/ScriptWrappable.h"
  #include "core/dom/ContextLifecycleObserver.h"
  #include "core/events/EventTarget.h"
  #include "modules/serviceworkers/RegistrationOptions.h"
  #include "modules/serviceworkers/ServiceWorker.h"
  #include "modules/serviceworkers/ServiceWorkerRegistration.h"
  #include "platform/heap/Handle.h"
  #include "public/platform/WebServiceWorkerProviderClient.h"
  #include "wtf/Forward.h"
  #include "wtf/PassRefPtr.h"
  #include "wtf/RefPtr.h"
  
  namespace blink {
  
  class ExecutionContext;
  class WebServiceWorker;
  class WebServiceWorkerProvider;
  class WebServiceWorkerRegistration;
  
  class ServiceWorkerContainer final
      : public RefCountedGarbageCollectedEventTargetWithInlineData<ServiceWorkerContainer>
      , public ContextLifecycleObserver
      , public WebServiceWorkerProviderClient {
      DEFINE_WRAPPERTYPEINFO();
      DEFINE_EVENT_TARGET_REFCOUNTING_WILL_BE_REMOVED(RefCountedGarbageCollected<ServiceWorkerContainer>);
  public:
      static ServiceWorkerContainer* create(ExecutionContext*);
      ~ServiceWorkerContainer();
  
      void willBeDetachedFromFrame();
  
      void trace(Visitor*);
  
      PassRefPtrWillBeRawPtr<ServiceWorker> controller() { return m_controller.get(); }
      ScriptPromise ready(ScriptState*);
      WebServiceWorkerProvider* provider() { return m_provider; }
  
      ScriptPromise registerServiceWorker(ScriptState*, const String& pattern, const RegistrationOptions&);
      ScriptPromise getRegistration(ScriptState*, const String& documentURL);
  
      // WebServiceWorkerProviderClient overrides.
      virtual void setController(WebServiceWorker*, bool shouldNotifyControllerChange) override;
      virtual void setReadyRegistration(WebServiceWorkerRegistration*) override;
      virtual void dispatchMessageEvent(const WebString& message, const WebMessagePortChannelArray&) override;
      virtual bool getClientInfo(WebServiceWorkerClientInfo*);
  
      // EventTarget overrides.
      virtual ExecutionContext* executionContext() const override { return ContextLifecycleObserver::executionContext(); }
      virtual const AtomicString& interfaceName() const override;
  
      DEFINE_ATTRIBUTE_EVENT_LISTENER(controllerchange);
  
  private:
      explicit ServiceWorkerContainer(ExecutionContext*);
  
      typedef ScriptPromiseProperty<Member<ServiceWorkerContainer>, Member<ServiceWorkerRegistration>, Member<ServiceWorkerRegistration> > ReadyProperty;
      ReadyProperty* createReadyProperty();
  
      WebServiceWorkerProvider* m_provider;
      RefPtrWillBeMember<ServiceWorker> m_controller;
      Member<ServiceWorkerRegistration> m_readyRegistration;
      Member<ReadyProperty> m_ready;
  };
  
  } // namespace blink
  
  #endif // ServiceWorkerContainer_h
  