Web Inspector: convert workers inspection into capability
[WebKit-https.git] / Source / WebCore / inspector / InspectorWorkerAgent.h
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
40 namespace WebCore {
41 class InspectorFrontend;
42 class InspectorObject;
43 class InspectorState;
44 class InstrumentingAgents;
45 class KURL;
46 class WorkerContextProxy;
47
48 typedef String ErrorString;
49
50 class InspectorWorkerAgent : public InspectorBaseAgent<InspectorWorkerAgent>, public InspectorBackendDispatcher::WorkerCommandHandler {
51 public:
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
73 private:
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)