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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 WebSharedWorkerClient_h
     32 #define WebSharedWorkerClient_h
     33 
     34 #include "../platform/WebMessagePortChannel.h"
     35 
     36 namespace blink {
     37 
     38 class WebApplicationCacheHost;
     39 class WebApplicationCacheHostClient;
     40 class WebNotificationPresenter;
     41 class WebSecurityOrigin;
     42 class WebString;
     43 class WebWorker;
     44 class WebWorkerPermissionClientProxy;
     45 
     46 // Provides an interface back to the in-page script object for a worker.
     47 // All functions are expected to be called back on the thread that created
     48 // the Worker object, unless noted.
     49 class WebSharedWorkerClient {
     50 public:
     51     virtual void workerContextClosed() = 0;
     52     virtual void workerContextDestroyed() = 0;
     53     virtual void workerScriptLoaded() = 0;
     54     virtual void workerScriptLoadFailed() = 0;
     55     virtual void selectAppCacheID(long long) = 0;
     56 
     57     // Returns the notification presenter for this worker context. Pointer
     58     // is owned by the object implementing WebSharedWorkerClient.
     59     virtual WebNotificationPresenter* notificationPresenter() = 0;
     60 
     61     // Called on the main webkit thread in the worker process during
     62     // initialization.
     63     virtual WebApplicationCacheHost* createApplicationCacheHost(WebApplicationCacheHostClient*) = 0;
     64 
     65     // Called on the main webkit thread in the worker process during
     66     // initialization.
     67     // WebWorkerPermissionClientProxy should not retain the given
     68     // WebSecurityOrigin, as the proxy instance is passed to worker thread
     69     // while WebSecurityOrigin is not thread safe.
     70     virtual WebWorkerPermissionClientProxy* createWorkerPermissionClientProxy(const WebSecurityOrigin&) { return 0; }
     71 
     72     virtual void dispatchDevToolsMessage(const WebString&) { }
     73     virtual void saveDevToolsAgentState(const WebString&) { }
     74 };
     75 
     76 } // namespace blink
     77 
     78 #endif
     79