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/*
* 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 WebSharedWorkerImpl_h
#define WebSharedWorkerImpl_h
#include "WebSharedWorker.h"
#include "WebContentSecurityPolicy.h"
#include "WebFrameClient.h"
#include "WebSharedWorkerClient.h"
#include "core/dom/ExecutionContext.h"
#include "core/workers/WorkerLoaderProxy.h"
#include "core/workers/WorkerReportingProxy.h"
#include "core/workers/WorkerThread.h"
#include "wtf/PassOwnPtr.h"
#include "wtf/RefPtr.h"
#include "wtf/WeakPtr.h"
namespace blink {
class WebApplicationCacheHost;
class WebApplicationCacheHostClient;
class WebWorkerClient;
class WebSecurityOrigin;
class WebString;
class WebURL;
class WebView;
class WebWorker;
class WebSharedWorkerClient;
// This class is used by the worker process code to talk to the WebCore::SharedWorker implementation.
// It can't use it directly since it uses WebKit types, so this class converts the data types.
// When the WebCore::SharedWorker object wants to call WebCore::WorkerReportingProxy, this class will
// convert to Chrome data types first and then call the supplied WebCommonWorkerClient.
class WebSharedWorkerImpl
: public WebCore::WorkerReportingProxy
, public WebCore::WorkerLoaderProxy
, public WebFrameClient
, public WebSharedWorker {
public:
explicit WebSharedWorkerImpl(WebSharedWorkerClient*);
// WebCore::WorkerReportingProxy methods:
virtual void reportException(
const WTF::String&, int, int, const WTF::String&);
virtual void reportConsoleMessage(
WebCore::MessageSource, WebCore::MessageLevel,
const WTF::String&, int, const WTF::String&);
virtual void postMessageToPageInspector(const WTF::String&);
virtual void updateInspectorStateCookie(const WTF::String&);
virtual void workerGlobalScopeStarted();
virtual void workerGlobalScopeClosed();
virtual void workerGlobalScopeDestroyed();
// WebCore::WorkerLoaderProxy methods:
virtual void postTaskToLoader(PassOwnPtr<WebCore::ExecutionContextTask>);
virtual bool postTaskForModeToWorkerGlobalScope(
PassOwnPtr<WebCore::ExecutionContextTask>, const WTF::String& mode);
// WebFrameClient methods to support resource loading thru the 'shadow page'.
virtual void didCreateDataSource(WebFrame*, WebDataSource*);
virtual WebApplicationCacheHost* createApplicationCacheHost(WebFrame*, WebApplicationCacheHostClient*);
// WebSharedWorkerConnector methods:
virtual bool isStarted();
virtual void startWorkerContext(const WebURL&, const WebString& name, const WebString& userAgent, const WebString& sourceCode, const WebString& contentSecurityPolicy, WebContentSecurityPolicyType, long long cacheId);
virtual void connect(WebMessagePortChannel*, ConnectListener*);
// WebSharedWorker methods:
virtual void terminateWorkerContext();
virtual void clientDestroyed();
virtual void pauseWorkerContextOnStart();
virtual void resumeWorkerContext();
virtual void attachDevTools();
virtual void reattachDevTools(const WebString& savedState);
virtual void detachDevTools();
virtual void dispatchDevToolsMessage(const WebString&);
private:
virtual ~WebSharedWorkerImpl();
WebSharedWorkerClient* client() { return m_client->get(); }
void setWorkerThread(PassRefPtr<WebCore::WorkerThread> thread) { m_workerThread = thread; }
WebCore::WorkerThread* workerThread() { return m_workerThread.get(); }
// Shuts down the worker thread.
void stopWorkerThread();
// Creates the shadow loader used for worker network requests.
void initializeLoader(const WebURL&);
static void connectTask(WebCore::ExecutionContext*, PassOwnPtr<WebMessagePortChannel>);
// Tasks that are run on the main thread.
void workerGlobalScopeClosedOnMainThread();
void workerGlobalScopeDestroyedOnMainThread();
// 'shadow page' - created to proxy loading requests from the worker.
RefPtr<WebCore::ExecutionContext> m_loadingDocument;
WebView* m_webView;
WebFrame* m_mainFrame;
bool m_askedToTerminate;
RefPtr<WebCore::WorkerThread> m_workerThread;
// This one's initialized and bound to the main thread.
RefPtr<WeakReference<WebSharedWorkerClient> > m_client;
// Usually WeakPtr is created by WeakPtrFactory exposed by Client
// class itself, but here it's implemented by Chrome so we create
// our own WeakPtr.
WeakPtr<WebSharedWorkerClient> m_clientWeakPtr;
bool m_pauseWorkerContextOnStart;
};
} // namespace blink
#endif
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