1 | /* |
2 | * Copyright (C) 2016 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. AND ITS CONTRIBUTORS ``AS IS'' |
14 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
15 | * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
16 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS |
17 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
18 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
19 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
20 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
21 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
22 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF |
23 | * THE POSSIBILITY OF SUCH DAMAGE. |
24 | */ |
25 | |
26 | #include "config.h" |
27 | #include "InspectorWorkerAgent.h" |
28 | |
29 | #include "Document.h" |
30 | #include "InstrumentingAgents.h" |
31 | |
32 | |
33 | namespace WebCore { |
34 | |
35 | using namespace Inspector; |
36 | |
37 | InspectorWorkerAgent::InspectorWorkerAgent(PageAgentContext& context) |
38 | : InspectorAgentBase("Worker"_s , context) |
39 | , m_frontendDispatcher(std::make_unique<Inspector::WorkerFrontendDispatcher>(context.frontendRouter)) |
40 | , m_backendDispatcher(Inspector::WorkerBackendDispatcher::create(context.backendDispatcher, this)) |
41 | , m_page(context.inspectedPage) |
42 | { |
43 | } |
44 | |
45 | void InspectorWorkerAgent::didCreateFrontendAndBackend(FrontendRouter*, BackendDispatcher*) |
46 | { |
47 | m_instrumentingAgents.setInspectorWorkerAgent(this); |
48 | } |
49 | |
50 | void InspectorWorkerAgent::willDestroyFrontendAndBackend(DisconnectReason) |
51 | { |
52 | m_instrumentingAgents.setInspectorWorkerAgent(nullptr); |
53 | |
54 | ErrorString ignored; |
55 | disable(ignored); |
56 | } |
57 | |
58 | void InspectorWorkerAgent::enable(ErrorString&) |
59 | { |
60 | if (m_enabled) |
61 | return; |
62 | |
63 | m_enabled = true; |
64 | |
65 | connectToAllWorkerInspectorProxiesForPage(); |
66 | } |
67 | |
68 | void InspectorWorkerAgent::disable(ErrorString&) |
69 | { |
70 | if (!m_enabled) |
71 | return; |
72 | |
73 | m_enabled = false; |
74 | |
75 | disconnectFromAllWorkerInspectorProxies(); |
76 | } |
77 | |
78 | void InspectorWorkerAgent::initialized(ErrorString& errorString, const String& workerId) |
79 | { |
80 | WorkerInspectorProxy* proxy = m_connectedProxies.get(workerId); |
81 | if (!proxy) { |
82 | errorString = "Worker not found."_s ; |
83 | return; |
84 | } |
85 | |
86 | proxy->resumeWorkerIfPaused(); |
87 | } |
88 | |
89 | void InspectorWorkerAgent::sendMessageToWorker(ErrorString& errorString, const String& workerId, const String& message) |
90 | { |
91 | if (!m_enabled) { |
92 | errorString = "Worker inspection must be enabled."_s ; |
93 | return; |
94 | } |
95 | |
96 | WorkerInspectorProxy* proxy = m_connectedProxies.get(workerId); |
97 | if (!proxy) { |
98 | errorString = "Worker not found."_s ; |
99 | return; |
100 | } |
101 | |
102 | proxy->sendMessageToWorkerInspectorController(message); |
103 | } |
104 | |
105 | void InspectorWorkerAgent::sendMessageFromWorkerToFrontend(WorkerInspectorProxy* proxy, const String& message) |
106 | { |
107 | m_frontendDispatcher->dispatchMessageFromWorker(proxy->identifier(), message); |
108 | } |
109 | |
110 | bool InspectorWorkerAgent::shouldWaitForDebuggerOnStart() const |
111 | { |
112 | return m_enabled; |
113 | } |
114 | |
115 | void InspectorWorkerAgent::workerStarted(WorkerInspectorProxy* proxy, const URL&) |
116 | { |
117 | if (!m_enabled) |
118 | return; |
119 | |
120 | connectToWorkerInspectorProxy(proxy); |
121 | } |
122 | |
123 | void InspectorWorkerAgent::workerTerminated(WorkerInspectorProxy* proxy) |
124 | { |
125 | if (!m_enabled) |
126 | return; |
127 | |
128 | disconnectFromWorkerInspectorProxy(proxy); |
129 | } |
130 | |
131 | void InspectorWorkerAgent::connectToAllWorkerInspectorProxiesForPage() |
132 | { |
133 | ASSERT(m_connectedProxies.isEmpty()); |
134 | |
135 | for (auto* proxy : WorkerInspectorProxy::allWorkerInspectorProxies()) { |
136 | if (!is<Document>(proxy->scriptExecutionContext())) |
137 | continue; |
138 | |
139 | Document& document = downcast<Document>(*proxy->scriptExecutionContext()); |
140 | if (document.page() != &m_page) |
141 | continue; |
142 | |
143 | connectToWorkerInspectorProxy(proxy); |
144 | } |
145 | } |
146 | |
147 | void InspectorWorkerAgent::disconnectFromAllWorkerInspectorProxies() |
148 | { |
149 | for (auto* proxy : copyToVector(m_connectedProxies.values())) |
150 | proxy->disconnectFromWorkerInspectorController(); |
151 | |
152 | m_connectedProxies.clear(); |
153 | } |
154 | |
155 | void InspectorWorkerAgent::connectToWorkerInspectorProxy(WorkerInspectorProxy* proxy) |
156 | { |
157 | proxy->connectToWorkerInspectorController(this); |
158 | |
159 | m_connectedProxies.set(proxy->identifier(), proxy); |
160 | |
161 | m_frontendDispatcher->workerCreated(proxy->identifier(), proxy->url()); |
162 | } |
163 | |
164 | void InspectorWorkerAgent::disconnectFromWorkerInspectorProxy(WorkerInspectorProxy* proxy) |
165 | { |
166 | m_frontendDispatcher->workerTerminated(proxy->identifier()); |
167 | |
168 | m_connectedProxies.remove(proxy->identifier()); |
169 | |
170 | proxy->disconnectFromWorkerInspectorController(); |
171 | } |
172 | |
173 | } // namespace Inspector |
174 | |