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      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 WebSharedWorkerConnector_h
     32 #define WebSharedWorkerConnector_h
     33 
     34 #include "WebContentSecurityPolicy.h"
     35 
     36 namespace blink {
     37 
     38 class WebString;
     39 class WebMessagePortChannel;
     40 class WebURL;
     41 
     42 // This is the interface to conncect to SharedWorker.
     43 // Since SharedWorkers communicate entirely through MessagePorts this interface only contains APIs for starting up a SharedWorker.
     44 class WebSharedWorkerConnector {
     45 public:
     46     virtual ~WebSharedWorkerConnector() { }
     47 
     48     // Returns false if the thread hasn't been started yet (script loading has not taken place).
     49     // FIXME(atwilson): Remove this when we move the initial script loading into the worker process.
     50     virtual bool isStarted() = 0;
     51 
     52     virtual void startWorkerContext(
     53         const WebURL& scriptURL,
     54         const WebString& name,
     55         const WebString& userAgent,
     56         const WebString& sourceCode,
     57         const WebString& contentSecurityPolicy,
     58         WebContentSecurityPolicyType,
     59         long long scriptResourceAppCacheID) = 0;
     60 
     61     class ConnectListener {
     62     public:
     63         // Invoked once the connect event has been sent so the caller can free this object.
     64         virtual void connected() = 0;
     65     };
     66 
     67     // Sends a connect event to the SharedWorker context. The listener is invoked when this async operation completes.
     68     virtual void connect(WebMessagePortChannel*, ConnectListener* = 0) = 0;
     69 };
     70 
     71 } // namespace blink
     72 
     73 #endif
     74