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 | #include "config.h" |
27 | #include "InspectorTargetAgent.h" |
28 | |
29 | #include "InspectorTarget.h" |
30 | |
31 | namespace Inspector { |
32 | |
33 | InspectorTargetAgent::InspectorTargetAgent(FrontendRouter& frontendRouter, BackendDispatcher& backendDispatcher) |
34 | : InspectorAgentBase("Target"_s ) |
35 | , m_frontendDispatcher(std::make_unique<TargetFrontendDispatcher>(frontendRouter)) |
36 | , m_backendDispatcher(TargetBackendDispatcher::create(backendDispatcher, this)) |
37 | { |
38 | } |
39 | |
40 | void InspectorTargetAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) |
41 | { |
42 | m_isConnected = true; |
43 | |
44 | connectToTargets(); |
45 | } |
46 | |
47 | void InspectorTargetAgent::willDestroyFrontendAndBackend(DisconnectReason) |
48 | { |
49 | disconnectFromTargets(); |
50 | |
51 | m_isConnected = false; |
52 | } |
53 | |
54 | void InspectorTargetAgent::exists(ErrorString&) |
55 | { |
56 | // Intentionally do nothing to return success. |
57 | // FIXME: Remove this when the local inspector has switched over to the modern path. |
58 | } |
59 | |
60 | void InspectorTargetAgent::sendMessageToTarget(ErrorString& errorString, const String& targetId, const String& message) |
61 | { |
62 | InspectorTarget* target = m_targets.get(targetId); |
63 | if (!target) { |
64 | errorString = "Target not found."_s ; |
65 | return; |
66 | } |
67 | |
68 | target->sendMessageToTargetBackend(message); |
69 | } |
70 | |
71 | void InspectorTargetAgent::sendMessageFromTargetToFrontend(const String& targetId, const String& message) |
72 | { |
73 | ASSERT_WITH_MESSAGE(m_targets.get(targetId), "Sending a message from an untracked target to the frontend." ); |
74 | |
75 | m_frontendDispatcher->dispatchMessageFromTarget(targetId, message); |
76 | } |
77 | |
78 | static Protocol::Target::TargetInfo::Type targetTypeToProtocolType(InspectorTargetType type) |
79 | { |
80 | switch (type) { |
81 | case InspectorTargetType::JavaScriptContext: |
82 | return Protocol::Target::TargetInfo::Type::JavaScript; |
83 | case InspectorTargetType::Page: |
84 | return Protocol::Target::TargetInfo::Type::Page; |
85 | case InspectorTargetType::DedicatedWorker: |
86 | return Protocol::Target::TargetInfo::Type::Worker; |
87 | case InspectorTargetType::ServiceWorker: |
88 | return Protocol::Target::TargetInfo::Type::ServiceWorker; |
89 | } |
90 | |
91 | ASSERT_NOT_REACHED(); |
92 | return Protocol::Target::TargetInfo::Type::JavaScript; |
93 | } |
94 | |
95 | static Ref<Protocol::Target::TargetInfo> buildTargetInfoObject(const InspectorTarget& target) |
96 | { |
97 | return Protocol::Target::TargetInfo::create() |
98 | .setTargetId(target.identifier()) |
99 | .setType(targetTypeToProtocolType(target.type())) |
100 | .release(); |
101 | } |
102 | |
103 | void InspectorTargetAgent::targetCreated(InspectorTarget& target) |
104 | { |
105 | auto addResult = m_targets.set(target.identifier(), &target); |
106 | ASSERT_UNUSED(addResult, addResult.isNewEntry); |
107 | |
108 | if (!m_isConnected) |
109 | return; |
110 | |
111 | target.connect(frontendChannel()); |
112 | |
113 | m_frontendDispatcher->targetCreated(buildTargetInfoObject(target)); |
114 | } |
115 | |
116 | void InspectorTargetAgent::targetDestroyed(InspectorTarget& target) |
117 | { |
118 | m_targets.remove(target.identifier()); |
119 | |
120 | if (!m_isConnected) |
121 | return; |
122 | |
123 | target.disconnect(frontendChannel()); |
124 | |
125 | m_frontendDispatcher->targetDestroyed(target.identifier()); |
126 | } |
127 | |
128 | void InspectorTargetAgent::connectToTargets() |
129 | { |
130 | auto& channel = frontendChannel(); |
131 | |
132 | for (InspectorTarget* target : m_targets.values()) { |
133 | target->connect(channel); |
134 | m_frontendDispatcher->targetCreated(buildTargetInfoObject(*target)); |
135 | } |
136 | } |
137 | |
138 | void InspectorTargetAgent::disconnectFromTargets() |
139 | { |
140 | auto& channel = frontendChannel(); |
141 | |
142 | for (InspectorTarget* target : m_targets.values()) |
143 | target->disconnect(channel); |
144 | } |
145 | |
146 | } // namespace Inspector |
147 | |