1 /* 2 * Copyright (C) 2013 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 #ifndef ServiceWorker_h 32 #define ServiceWorker_h 33 34 #include "bindings/core/v8/ScriptPromise.h" 35 #include "bindings/core/v8/SerializedScriptValue.h" 36 #include "core/workers/AbstractWorker.h" 37 #include "public/platform/WebServiceWorker.h" 38 #include "public/platform/WebServiceWorkerProxy.h" 39 #include "wtf/OwnPtr.h" 40 #include "wtf/PassOwnPtr.h" 41 #include "wtf/PassRefPtr.h" 42 #include "wtf/RefCounted.h" 43 44 namespace blink { 45 46 class ScriptState; 47 class ScriptPromiseResolver; 48 49 class ServiceWorker FINAL : public AbstractWorker, public WebServiceWorkerProxy { 50 DEFINE_WRAPPERTYPEINFO(); 51 public: 52 // For CallbackPromiseAdapter 53 typedef WebServiceWorker WebType; 54 static PassRefPtrWillBeRawPtr<ServiceWorker> take(ScriptPromiseResolver*, WebType* worker); 55 56 static PassRefPtrWillBeRawPtr<ServiceWorker> from(ExecutionContext*, WebType*); 57 static void dispose(WebType*); 58 59 void postMessage(ExecutionContext*, PassRefPtr<SerializedScriptValue> message, const MessagePortArray*, ExceptionState&); 60 void terminate(ExceptionState&); 61 62 String scriptURL() const; 63 const AtomicString& state() const; 64 DEFINE_ATTRIBUTE_EVENT_LISTENER(statechange); 65 66 // WebServiceWorkerProxy overrides. 67 virtual bool isReady() OVERRIDE; 68 virtual void dispatchStateChangeEvent() OVERRIDE; 69 70 // AbstractWorker overrides. 71 virtual const AtomicString& interfaceName() const OVERRIDE; 72 73 private: 74 class ThenFunction; 75 76 enum ProxyState { 77 Initial, 78 RegisterPromisePending, 79 Ready, 80 ContextStopped 81 }; 82 83 static PassRefPtrWillBeRawPtr<ServiceWorker> getOrCreate(ExecutionContext*, WebType*); 84 ServiceWorker(ExecutionContext*, PassOwnPtr<WebServiceWorker>); 85 void setProxyState(ProxyState); 86 void onPromiseResolved(); 87 void waitOnPromise(ScriptPromiseResolver*); 88 89 // ActiveDOMObject overrides. 90 virtual bool hasPendingActivity() const OVERRIDE; 91 virtual void stop() OVERRIDE; 92 93 OwnPtr<WebServiceWorker> m_outerWorker; 94 ProxyState m_proxyState; 95 }; 96 97 } // namespace blink 98 99 #endif // ServiceWorker_h 100
