1/*
2 * Copyright (C) 2018 Apple 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
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "InspectorAgentBase.h"
29#include "InspectorBackendDispatchers.h"
30#include "InspectorFrontendDispatchers.h"
31#include <wtf/Forward.h>
32
33namespace Inspector {
34
35class InspectorTarget;
36
37typedef String ErrorString;
38
39class JS_EXPORT_PRIVATE InspectorTargetAgent : public InspectorAgentBase, public TargetBackendDispatcherHandler {
40 WTF_MAKE_NONCOPYABLE(InspectorTargetAgent);
41 WTF_MAKE_FAST_ALLOCATED;
42public:
43 InspectorTargetAgent(FrontendRouter&, BackendDispatcher&);
44 virtual ~InspectorTargetAgent() = default;
45
46 void didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) final;
47 void willDestroyFrontendAndBackend(DisconnectReason) final;
48
49 virtual FrontendChannel& frontendChannel() = 0;
50
51 // TargetBackendDispatcherHandler
52 void exists(ErrorString&) final;
53 void sendMessageToTarget(ErrorString&, const String& targetId, const String& message) final;
54
55 // Target lifecycle.
56 void targetCreated(InspectorTarget&);
57 void targetDestroyed(InspectorTarget&);
58
59 // Target messages.
60 void sendMessageFromTargetToFrontend(const String& targetId, const String& message);
61
62private:
63 void connectToTargets();
64 void disconnectFromTargets();
65
66 std::unique_ptr<TargetFrontendDispatcher> m_frontendDispatcher;
67 Ref<TargetBackendDispatcher> m_backendDispatcher;
68 HashMap<String, InspectorTarget*> m_targets;
69 bool m_isConnected { false };
70};
71
72} // namespace Inspector
73