1 | /* |
2 | * Copyright (C) 2011 Google Inc. All rights reserved. |
3 | * Copyright (C) 2015-2017 Apple Inc. All rights reserved. |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions are |
7 | * met: |
8 | * |
9 | * * Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * * Redistributions in binary form must reproduce the above |
12 | * copyright notice, this list of conditions and the following disclaimer |
13 | * in the documentation and/or other materials provided with the |
14 | * distribution. |
15 | * * Neither the name of Google Inc. nor the names of its |
16 | * contributors may be used to endorse or promote products derived from |
17 | * this software without specific prior written permission. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
20 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
21 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
22 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
23 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
24 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
25 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
29 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | |
32 | #include "config.h" |
33 | #include "PageDebuggerAgent.h" |
34 | |
35 | #include "CachedResource.h" |
36 | #include "Document.h" |
37 | #include "EventListener.h" |
38 | #include "EventTarget.h" |
39 | #include "Frame.h" |
40 | #include "InspectorPageAgent.h" |
41 | #include "InstrumentingAgents.h" |
42 | #include "Page.h" |
43 | #include "PageConsoleClient.h" |
44 | #include "PageScriptDebugServer.h" |
45 | #include "ScriptExecutionContext.h" |
46 | #include "ScriptState.h" |
47 | #include "Timer.h" |
48 | #include <JavaScriptCore/InjectedScript.h> |
49 | #include <JavaScriptCore/InjectedScriptManager.h> |
50 | #include <JavaScriptCore/ScriptCallStack.h> |
51 | #include <JavaScriptCore/ScriptCallStackFactory.h> |
52 | #include <wtf/NeverDestroyed.h> |
53 | |
54 | |
55 | namespace WebCore { |
56 | |
57 | using namespace Inspector; |
58 | |
59 | PageDebuggerAgent::PageDebuggerAgent(PageAgentContext& context) |
60 | : WebDebuggerAgent(context) |
61 | , m_inspectedPage(context.inspectedPage) |
62 | { |
63 | } |
64 | |
65 | void PageDebuggerAgent::enable() |
66 | { |
67 | WebDebuggerAgent::enable(); |
68 | m_instrumentingAgents.setPageDebuggerAgent(this); |
69 | } |
70 | |
71 | void PageDebuggerAgent::disable(bool isBeingDestroyed) |
72 | { |
73 | WebDebuggerAgent::disable(isBeingDestroyed); |
74 | m_instrumentingAgents.setPageDebuggerAgent(nullptr); |
75 | } |
76 | |
77 | String PageDebuggerAgent::sourceMapURLForScript(const Script& script) |
78 | { |
79 | static NeverDestroyed<String> (MAKE_STATIC_STRING_IMPL("SourceMap" )); |
80 | static NeverDestroyed<String> (MAKE_STATIC_STRING_IMPL("X-SourceMap" )); |
81 | |
82 | if (!script.url.isEmpty()) { |
83 | CachedResource* resource = InspectorPageAgent::cachedResource(&m_inspectedPage.mainFrame(), URL({ }, script.url)); |
84 | if (resource) { |
85 | String = resource->response().httpHeaderField(sourceMapHTTPHeader); |
86 | if (!sourceMapHeader.isEmpty()) |
87 | return sourceMapHeader; |
88 | |
89 | sourceMapHeader = resource->response().httpHeaderField(sourceMapHTTPHeaderDeprecated); |
90 | if (!sourceMapHeader.isEmpty()) |
91 | return sourceMapHeader; |
92 | } |
93 | } |
94 | |
95 | return InspectorDebuggerAgent::sourceMapURLForScript(script); |
96 | } |
97 | |
98 | void PageDebuggerAgent::didClearAsyncStackTraceData() |
99 | { |
100 | m_registeredEventListeners.clear(); |
101 | m_postMessageTimers.clear(); |
102 | m_nextEventListenerIdentifier = 1; |
103 | m_nextPostMessageIdentifier = 1; |
104 | } |
105 | |
106 | void PageDebuggerAgent::muteConsole() |
107 | { |
108 | PageConsoleClient::mute(); |
109 | } |
110 | |
111 | void PageDebuggerAgent::unmuteConsole() |
112 | { |
113 | PageConsoleClient::unmute(); |
114 | } |
115 | |
116 | void PageDebuggerAgent::breakpointActionLog(JSC::ExecState& state, const String& message) |
117 | { |
118 | m_inspectedPage.console().addMessage(MessageSource::JS, MessageLevel::Log, message, createScriptCallStack(&state)); |
119 | } |
120 | |
121 | InjectedScript PageDebuggerAgent::injectedScriptForEval(ErrorString& errorString, const int* executionContextId) |
122 | { |
123 | if (!executionContextId) { |
124 | JSC::ExecState* scriptState = mainWorldExecState(&m_inspectedPage.mainFrame()); |
125 | return injectedScriptManager().injectedScriptFor(scriptState); |
126 | } |
127 | |
128 | InjectedScript injectedScript = injectedScriptManager().injectedScriptForId(*executionContextId); |
129 | if (injectedScript.hasNoValue()) |
130 | errorString = "Execution context with given id not found."_s ; |
131 | |
132 | return injectedScript; |
133 | } |
134 | |
135 | void PageDebuggerAgent::didClearMainFrameWindowObject() |
136 | { |
137 | didClearGlobalObject(); |
138 | } |
139 | |
140 | void PageDebuggerAgent::mainFrameStartedLoading() |
141 | { |
142 | if (isPaused()) { |
143 | setSuppressAllPauses(true); |
144 | ErrorString unused; |
145 | resume(unused); |
146 | } |
147 | } |
148 | |
149 | void PageDebuggerAgent::mainFrameStoppedLoading() |
150 | { |
151 | setSuppressAllPauses(false); |
152 | } |
153 | |
154 | void PageDebuggerAgent::mainFrameNavigated() |
155 | { |
156 | setSuppressAllPauses(false); |
157 | } |
158 | |
159 | void PageDebuggerAgent::didAddEventListener(EventTarget& target, const AtomicString& eventType, EventListener& listener, bool capture) |
160 | { |
161 | if (!breakpointsActive()) |
162 | return; |
163 | |
164 | auto& eventListeners = target.eventListeners(eventType); |
165 | auto position = eventListeners.findMatching([&](auto& registeredListener) { |
166 | return ®isteredListener->callback() == &listener && registeredListener->useCapture() == capture; |
167 | }); |
168 | if (position == notFound) |
169 | return; |
170 | |
171 | auto& registeredListener = eventListeners.at(position); |
172 | if (m_registeredEventListeners.contains(registeredListener.get())) |
173 | return; |
174 | |
175 | JSC::ExecState* scriptState = target.scriptExecutionContext()->execState(); |
176 | if (!scriptState) |
177 | return; |
178 | |
179 | int identifier = m_nextEventListenerIdentifier++; |
180 | m_registeredEventListeners.set(registeredListener.get(), identifier); |
181 | |
182 | didScheduleAsyncCall(scriptState, InspectorDebuggerAgent::AsyncCallType::EventListener, identifier, registeredListener->isOnce()); |
183 | } |
184 | |
185 | void PageDebuggerAgent::willRemoveEventListener(EventTarget& target, const AtomicString& eventType, EventListener& listener, bool capture) |
186 | { |
187 | auto& eventListeners = target.eventListeners(eventType); |
188 | size_t listenerIndex = eventListeners.findMatching([&](auto& registeredListener) { |
189 | return ®isteredListener->callback() == &listener && registeredListener->useCapture() == capture; |
190 | }); |
191 | |
192 | if (listenerIndex == notFound) |
193 | return; |
194 | |
195 | int identifier = m_registeredEventListeners.take(eventListeners[listenerIndex].get()); |
196 | didCancelAsyncCall(InspectorDebuggerAgent::AsyncCallType::EventListener, identifier); |
197 | } |
198 | |
199 | void PageDebuggerAgent::willHandleEvent(const RegisteredEventListener& listener) |
200 | { |
201 | auto it = m_registeredEventListeners.find(&listener); |
202 | if (it == m_registeredEventListeners.end()) |
203 | return; |
204 | |
205 | willDispatchAsyncCall(InspectorDebuggerAgent::AsyncCallType::EventListener, it->value); |
206 | } |
207 | |
208 | void PageDebuggerAgent::didRequestAnimationFrame(int callbackId, Document& document) |
209 | { |
210 | if (!breakpointsActive()) |
211 | return; |
212 | |
213 | JSC::ExecState* scriptState = document.execState(); |
214 | if (!scriptState) |
215 | return; |
216 | |
217 | didScheduleAsyncCall(scriptState, InspectorDebuggerAgent::AsyncCallType::RequestAnimationFrame, callbackId, true); |
218 | } |
219 | |
220 | void PageDebuggerAgent::willFireAnimationFrame(int callbackId) |
221 | { |
222 | willDispatchAsyncCall(InspectorDebuggerAgent::AsyncCallType::RequestAnimationFrame, callbackId); |
223 | } |
224 | |
225 | void PageDebuggerAgent::didCancelAnimationFrame(int callbackId) |
226 | { |
227 | didCancelAsyncCall(InspectorDebuggerAgent::AsyncCallType::RequestAnimationFrame, callbackId); |
228 | } |
229 | |
230 | void PageDebuggerAgent::didPostMessage(const TimerBase& timer, JSC::ExecState& state) |
231 | { |
232 | if (!breakpointsActive()) |
233 | return; |
234 | |
235 | if (m_postMessageTimers.contains(&timer)) |
236 | return; |
237 | |
238 | int postMessageIdentifier = m_nextPostMessageIdentifier++; |
239 | m_postMessageTimers.set(&timer, postMessageIdentifier); |
240 | |
241 | didScheduleAsyncCall(&state, InspectorDebuggerAgent::AsyncCallType::PostMessage, postMessageIdentifier, true); |
242 | } |
243 | |
244 | void PageDebuggerAgent::didFailPostMessage(const TimerBase& timer) |
245 | { |
246 | auto it = m_postMessageTimers.find(&timer); |
247 | if (it == m_postMessageTimers.end()) |
248 | return; |
249 | |
250 | didCancelAsyncCall(InspectorDebuggerAgent::AsyncCallType::PostMessage, it->value); |
251 | |
252 | m_postMessageTimers.remove(it); |
253 | } |
254 | |
255 | void PageDebuggerAgent::willDispatchPostMessage(const TimerBase& timer) |
256 | { |
257 | auto it = m_postMessageTimers.find(&timer); |
258 | if (it == m_postMessageTimers.end()) |
259 | return; |
260 | |
261 | willDispatchAsyncCall(InspectorDebuggerAgent::AsyncCallType::PostMessage, it->value); |
262 | } |
263 | |
264 | void PageDebuggerAgent::didDispatchPostMessage(const TimerBase& timer) |
265 | { |
266 | auto it = m_postMessageTimers.find(&timer); |
267 | if (it == m_postMessageTimers.end()) |
268 | return; |
269 | |
270 | didDispatchAsyncCall(); |
271 | |
272 | m_postMessageTimers.remove(it); |
273 | } |
274 | |
275 | } // namespace WebCore |
276 | |