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      1 /*
      2  * Copyright (C) 2010 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 TestWebWorker_h
     32 #define TestWebWorker_h
     33 
     34 #include "WebMessagePortChannel.h"
     35 #include "WebWorker.h"
     36 #include "WebWorkerClient.h"
     37 #include <wtf/RefCounted.h>
     38 
     39 namespace WebKit {
     40 class WebNotificationPresenter;
     41 class WebString;
     42 class WebURL;
     43 }
     44 
     45 class TestWebWorker : public WebKit::WebWorker,
     46                       public WebKit::WebWorkerClient,
     47                       public WTF::RefCounted<TestWebWorker> {
     48 public:
     49     TestWebWorker()
     50     {
     51         // This class expects refcounting semantics like those found in
     52         // Chromium's base::RefCounted, so it's OK to call ref() directly.
     53         relaxAdoptionRequirement();
     54         ref();
     55         // The initial counter value should be 2. One for a worker object,
     56         // another for a worker context object. We need to call ref() just once
     57         // because the default counter value of RefCounted is 1.
     58     }
     59 
     60     // WebWorker methods:
     61     virtual void startWorkerContext(const WebKit::WebURL&, const WebKit::WebString&, const WebKit::WebString&) {}
     62     virtual void terminateWorkerContext() {}
     63     virtual void postMessageToWorkerContext(const WebKit::WebString&, const WebKit::WebMessagePortChannelArray&) {}
     64     virtual void workerObjectDestroyed()
     65     {
     66         // Releases the reference held for worker object.
     67         deref();
     68     }
     69     virtual void clientDestroyed() {}
     70 
     71     // WebWorkerClient methods:
     72     virtual void postMessageToWorkerObject(const WebKit::WebString&, const WebKit::WebMessagePortChannelArray&) {}
     73     virtual void postExceptionToWorkerObject(const WebKit::WebString&, int, const WebKit::WebString&) {}
     74     virtual void postConsoleMessageToWorkerObject(int, int, int, int, const WebKit::WebString&, int, const WebKit::WebString&) {}
     75     virtual void confirmMessageFromWorkerObject(bool) {}
     76     virtual void reportPendingActivity(bool) {}
     77     virtual void workerContextClosed() {}
     78     virtual void workerContextDestroyed()
     79     {
     80         // Releases the reference held for worker context object.
     81         deref();
     82     }
     83     virtual WebKit::WebWorker* createWorker(WebKit::WebWorkerClient*) { return 0; }
     84     virtual WebKit::WebNotificationPresenter* notificationPresenter() { return 0; }
     85     virtual WebKit::WebApplicationCacheHost* createApplicationCacheHost(WebKit::WebApplicationCacheHostClient*) { return 0; }
     86     virtual bool allowDatabase(WebKit::WebFrame*, const WebKit::WebString&, const WebKit::WebString&, unsigned long) { return true; }
     87 
     88 private:
     89     ~TestWebWorker() {}
     90     friend class WTF::RefCounted<TestWebWorker>;
     91 };
     92 
     93 #endif // TestWebWorker_h
     94