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#if ENABLE(WORKERS)
35
36#include "InspectorBaseAgent.h"
37#include <wtf/Forward.h>
38#include <wtf/HashMap.h>
39
40namespace WebCore {
41class InspectorFrontend;
42class InspectorObject;
43class InspectorState;
44class InstrumentingAgents;
45class KURL;
46class WorkerContextProxy;
47
48typedef String ErrorString;
49
50class InspectorWorkerAgent : public InspectorBaseAgent<InspectorWorkerAgent>, public InspectorBackendDispatcher::WorkerCommandHandler {
51public:
52    static PassOwnPtr<InspectorWorkerAgent> create(InstrumentingAgents*, InspectorCompositeState*);
53    ~InspectorWorkerAgent();
54
55    virtual void setFrontend(InspectorFrontend*);
56    virtual void restore();
57    virtual void clearFrontend();
58
59    // Called from InspectorInstrumentation
60    bool shouldPauseDedicatedWorkerOnStart();
61    void didStartWorkerContext(WorkerContextProxy*, const KURL&);
62    void workerContextTerminated(WorkerContextProxy*);
63
64    // Called from InspectorBackendDispatcher
65    virtual void enable(ErrorString*);
66    virtual void disable(ErrorString*);
67    virtual void canInspectWorkers(ErrorString*, bool*);
68    virtual void connectToWorker(ErrorString*, int workerId);
69    virtual void disconnectFromWorker(ErrorString*, int workerId);
70    virtual void sendMessageToWorker(ErrorString*, int workerId, const RefPtr<InspectorObject>& message);
71    virtual void setAutoconnectToWorkers(ErrorString*, bool value);
72
73private:
74    InspectorWorkerAgent(InstrumentingAgents*, InspectorCompositeState*);
75    void createWorkerFrontendChannelsForExistingWorkers();
76    void createWorkerFrontendChannel(WorkerContextProxy*, const String& url);
77    void destroyWorkerFrontendChannels();
78
79    InspectorFrontend* m_inspectorFrontend;
80
81    class WorkerFrontendChannel;
82    typedef HashMap<int, WorkerFrontendChannel*> WorkerChannels;
83    WorkerChannels m_idToChannel;
84    typedef HashMap<WorkerContextProxy*, String> DedicatedWorkers;
85    DedicatedWorkers m_dedicatedWorkers;
86};
87
88} // namespace WebCore
89
90#endif // !defined(InspectorWorkerAgent_h)
91
92#endif // ENABLE(WORKERS)
93