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      1 /*
      2  * Copyright (C) 2011 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 InspectorWorkerAgent_h
     32 #define InspectorWorkerAgent_h
     33 
     34 #include "core/inspector/InspectorBaseAgent.h"
     35 #include "wtf/Forward.h"
     36 #include "wtf/HashMap.h"
     37 
     38 namespace WebCore {
     39 class InspectorFrontend;
     40 class InstrumentingAgents;
     41 class JSONObject;
     42 class KURL;
     43 class WorkerGlobalScopeProxy;
     44 
     45 typedef String ErrorString;
     46 
     47 class InspectorWorkerAgent : public InspectorBaseAgent<InspectorWorkerAgent>, public InspectorBackendDispatcher::WorkerCommandHandler {
     48 public:
     49     static PassOwnPtr<InspectorWorkerAgent> create(InstrumentingAgents*, InspectorCompositeState*);
     50     ~InspectorWorkerAgent();
     51 
     52     virtual void setFrontend(InspectorFrontend*);
     53     virtual void restore();
     54     virtual void clearFrontend();
     55 
     56     // Called from InspectorInstrumentation
     57     bool shouldPauseDedicatedWorkerOnStart();
     58     void didStartWorkerGlobalScope(WorkerGlobalScopeProxy*, const KURL&);
     59     void workerGlobalScopeTerminated(WorkerGlobalScopeProxy*);
     60 
     61     // Called from InspectorBackendDispatcher
     62     virtual void enable(ErrorString*);
     63     virtual void disable(ErrorString*);
     64     virtual void canInspectWorkers(ErrorString*, bool*);
     65     virtual void connectToWorker(ErrorString*, int workerId);
     66     virtual void disconnectFromWorker(ErrorString*, int workerId);
     67     virtual void sendMessageToWorker(ErrorString*, int workerId, const RefPtr<JSONObject>& message);
     68     virtual void setAutoconnectToWorkers(ErrorString*, bool value);
     69 
     70 private:
     71     InspectorWorkerAgent(InstrumentingAgents*, InspectorCompositeState*);
     72     void createWorkerFrontendChannelsForExistingWorkers();
     73     void createWorkerFrontendChannel(WorkerGlobalScopeProxy*, const String& url);
     74     void destroyWorkerFrontendChannels();
     75 
     76     InspectorFrontend* m_inspectorFrontend;
     77 
     78     class WorkerFrontendChannel;
     79     typedef HashMap<int, WorkerFrontendChannel*> WorkerChannels;
     80     WorkerChannels m_idToChannel;
     81     typedef HashMap<WorkerGlobalScopeProxy*, String> DedicatedWorkers;
     82     DedicatedWorkers m_dedicatedWorkers;
     83 };
     84 
     85 } // namespace WebCore
     86 
     87 #endif // !defined(InspectorWorkerAgent_h)
     88