third_party/WebKit/public/web/WebSharedWorkerConnector.h

   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 WebMessagePortChannel;
  39
  40 // This is the interface to conncect to SharedWorker.
  41 // Since SharedWorkers communicate entirely through MessagePorts this interface only contains APIs for starting up a SharedWorker.
  42 class WebSharedWorkerConnector {
  43 public:
  44     virtual ~WebSharedWorkerConnector() { }
  45
  46     class ConnectListener {
  47     public:
  48         // Invoked once the connect event has been sent so the caller can free this object.
  49         virtual void connected() = 0;
  50         virtual void scriptLoadFailed() = 0;
  51     };
  52
  53     // Sends a connect event to the SharedWorker context. The listener is invoked when this async operation completes.
  54     virtual void connect(WebMessagePortChannel*, ConnectListener*) = 0;
  55 };
  56
  57 } // namespace blink
  58
  59 #endif