1 /*

     2  * Copyright (C) 2009 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 WebSharedWorkerImpl_h

    32 #define WebSharedWorkerImpl_h

    33 

    34 #include "WebSharedWorker.h"

    35 

    36 #if ENABLE(SHARED_WORKERS)

    37 

    38 #include "ScriptExecutionContext.h"

    39 

    40 #include "WebWorkerBase.h"

    41 

    42 namespace WebKit {

    43 

    44 // This class is used by the worker process code to talk to the WebCore::SharedWorker implementation.

    45 // It can't use it directly since it uses WebKit types, so this class converts the data types.

    46 // When the WebCore::SharedWorker object wants to call WebCore::WorkerReportingProxy, this class will

    47 // convert to Chrome data types first and then call the supplied WebCommonWorkerClient.

    48 class WebSharedWorkerImpl : public WebWorkerBase, public WebSharedWorker {

    49 public:

    50     explicit WebSharedWorkerImpl(WebCommonWorkerClient* client);

    51 

    52     // WebSharedWorker methods:

    53     virtual bool isStarted();

    54     virtual void startWorkerContext(const WebURL&, const WebString& name, const WebString& userAgent, const WebString& sourceCode, long long);

    55     virtual void connect(WebMessagePortChannel*, ConnectListener*);

    56     virtual void terminateWorkerContext();

    57     virtual void clientDestroyed();

    58 

    59     // WebWorkerBase methods:

    60     WebWorkerClient* client();

    61     WebCommonWorkerClient* commonClient() { return m_client; }

    62 

    63 private:

    64     virtual ~WebSharedWorkerImpl();

    65 

    66     static void connectTask(WebCore::ScriptExecutionContext*, WebSharedWorkerImpl*, PassOwnPtr<WebCore::MessagePortChannel>);

    67 

    68     WebCommonWorkerClient* m_client;

    69 };

    70 

    71 } // namespace WebKit

    72 

    73 #endif // ENABLE(SHARED_WORKERS)

    74 

    75 #endif