| /* |
| * Copyright (C) 2009 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 WebWorkerClientImpl_h |
| #define WebWorkerClientImpl_h |
| |
| #include "core/dom/ExecutionContext.h" |
| #include "core/workers/WorkerGlobalScopeProxy.h" |
| #include "core/workers/WorkerLoaderProxy.h" |
| #include "core/workers/WorkerMessagingProxy.h" |
| #include "core/workers/WorkerObjectProxy.h" |
| |
| #include "WebWorkerBase.h" |
| #include "public/platform/WebFileSystem.h" |
| #include "public/platform/WebFileSystemType.h" |
| #include "wtf/OwnPtr.h" |
| #include "wtf/PassOwnPtr.h" |
| #include "wtf/RefPtr.h" |
| |
| |
| namespace WebKit { |
| class WebWorker; |
| class WebFrameImpl; |
| |
| // This class provides chromium implementation for WorkerGlobalScopeProxy, WorkerObjectProxy amd WorkerLoaderProxy |
| // for in-proc dedicated workers. It also acts as a bridge for workers to chromium implementation of file systems, |
| // databases and other related functionality. |
| // |
| // In essence, this class decorates WorkerMessagingProxy. |
| // |
| // It is imperative that this class inherit from WorkerMessagingProxy rather than delegate to an instance of |
| // WorkerMessagingProxy, because that class tracks and reports its activity to outside callers, and manages |
| // its own lifetime, via calls to workerObjectDestroyed, workerGlobalScopeDestroyed, workerGlobalScopeClosed, etc. It |
| // is basically impossible to correctly manage the lifetime of this class separately from WorkerMessagingProxy. |
| class WebWorkerClientImpl : public WebCore::WorkerMessagingProxy |
| , public WebWorkerBase |
| , public WebCommonWorkerClient { |
| public: |
| // WebCore::WorkerGlobalScopeProxy Factory. |
| static WebCore::WorkerGlobalScopeProxy* createWorkerGlobalScopeProxy(WebCore::Worker*); |
| |
| // WebCore::WorkerGlobalScopeProxy methods: |
| // These are called on the thread that created the worker. In the renderer |
| // process, this will be the main WebKit thread. |
| virtual void terminateWorkerGlobalScope() OVERRIDE; |
| |
| // WebCore::WorkerLoaderProxy methods |
| virtual WebWorkerBase* toWebWorkerBase() OVERRIDE; |
| |
| // WebWorkerBase methods: |
| virtual WebCore::WorkerLoaderProxy* workerLoaderProxy() OVERRIDE { return this; } |
| virtual WebCommonWorkerClient* commonClient() OVERRIDE { return this; } |
| virtual WebView* view() const OVERRIDE; |
| |
| // WebCommonWorkerClient methods: |
| virtual bool allowDatabase(WebFrame*, const WebString& name, const WebString& displayName, unsigned long estimatedSize) OVERRIDE; |
| virtual bool allowFileSystem(); |
| virtual bool allowIndexedDB(const WebString& name) OVERRIDE; |
| |
| private: |
| WebWorkerClientImpl(WebCore::Worker*, WebFrameImpl*, PassOwnPtr<WebCore::WorkerClients>); |
| virtual ~WebWorkerClientImpl(); |
| |
| WebFrameImpl* m_webFrame; |
| }; |
| |
| } // namespace WebKit; |
| |
| #endif |