/* * 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 CryptoResultImpl_h #define CryptoResultImpl_h #include "bindings/v8/DOMRequestState.h" #include "bindings/v8/ScriptPromise.h" #include "bindings/v8/ScriptPromiseResolver.h" #include "core/dom/ContextLifecycleObserver.h" #include "platform/CryptoResult.h" #include "public/platform/WebCrypto.h" #include "wtf/Assertions.h" #include "wtf/Forward.h" #include "wtf/Threading.h" namespace WebCore { class ScriptPromiseResolver; class ScriptState; // Wrapper around a Promise to notify completion of the crypto operation. // Platform cannot know about Promises which are declared in bindings. class CryptoResultImpl FINAL : public CryptoResult, public ContextLifecycleObserver { public: ~CryptoResultImpl(); static PassRefPtr<CryptoResultImpl> create(); virtual void completeWithError() OVERRIDE; virtual void completeWithError(const blink::WebString&) OVERRIDE; virtual void completeWithBuffer(const blink::WebArrayBuffer&) OVERRIDE; virtual void completeWithBoolean(bool) OVERRIDE; virtual void completeWithKey(const blink::WebCryptoKey&) OVERRIDE; virtual void completeWithKeyPair(const blink::WebCryptoKey& publicKey, const blink::WebCryptoKey& privateKey) OVERRIDE; ScriptPromise promise() { return m_promiseResolver->promise(); } private: CryptoResultImpl(ExecutionContext*); void finish(); void CheckValidThread() const; // Override from ContextLifecycleObserver virtual void contextDestroyed() OVERRIDE; // Returns true if the ExecutionContext is still alive and running. bool canCompletePromise() const; void clearPromiseResolver(); RefPtr<ScriptPromiseResolver> m_promiseResolver; DOMRequestState m_requestState; #if !ASSERT_DISABLED ThreadIdentifier m_owningThread; bool m_finished; #endif }; } // namespace WebCore #endif