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1 // Copyright 2016 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4 
5 #include "src/inspector/v8-console-agent-impl.h"
6 
7 #include "src/inspector/protocol/Protocol.h"
8 #include "src/inspector/v8-console-message.h"
9 #include "src/inspector/v8-inspector-impl.h"
10 #include "src/inspector/v8-inspector-session-impl.h"
11 #include "src/inspector/v8-stack-trace-impl.h"
12 
13 namespace v8_inspector {
14 
15 namespace ConsoleAgentState {
16 static const char consoleEnabled[] = "consoleEnabled";
17 }
18 
V8ConsoleAgentImpl(V8InspectorSessionImpl * session,protocol::FrontendChannel * frontendChannel,protocol::DictionaryValue * state)19 V8ConsoleAgentImpl::V8ConsoleAgentImpl(
20     V8InspectorSessionImpl* session, protocol::FrontendChannel* frontendChannel,
21     protocol::DictionaryValue* state)
22     : m_session(session),
23       m_state(state),
24       m_frontend(frontendChannel),
25       m_enabled(false) {}
26 
~V8ConsoleAgentImpl()27 V8ConsoleAgentImpl::~V8ConsoleAgentImpl() {}
28 
enable()29 Response V8ConsoleAgentImpl::enable() {
30   if (m_enabled) return Response::OK();
31   m_state->setBoolean(ConsoleAgentState::consoleEnabled, true);
32   m_enabled = true;
33   m_session->inspector()->enableStackCapturingIfNeeded();
34   reportAllMessages();
35   return Response::OK();
36 }
37 
disable()38 Response V8ConsoleAgentImpl::disable() {
39   if (!m_enabled) return Response::OK();
40   m_session->inspector()->disableStackCapturingIfNeeded();
41   m_state->setBoolean(ConsoleAgentState::consoleEnabled, false);
42   m_enabled = false;
43   return Response::OK();
44 }
45 
clearMessages()46 Response V8ConsoleAgentImpl::clearMessages() { return Response::OK(); }
47 
restore()48 void V8ConsoleAgentImpl::restore() {
49   if (!m_state->booleanProperty(ConsoleAgentState::consoleEnabled, false))
50     return;
51   enable();
52 }
53 
messageAdded(V8ConsoleMessage * message)54 void V8ConsoleAgentImpl::messageAdded(V8ConsoleMessage* message) {
55   if (m_enabled) reportMessage(message, true);
56 }
57 
enabled()58 bool V8ConsoleAgentImpl::enabled() { return m_enabled; }
59 
reportAllMessages()60 void V8ConsoleAgentImpl::reportAllMessages() {
61   V8ConsoleMessageStorage* storage =
62       m_session->inspector()->ensureConsoleMessageStorage(
63           m_session->contextGroupId());
64   for (const auto& message : storage->messages()) {
65     if (message->origin() == V8MessageOrigin::kConsole) {
66       if (!reportMessage(message.get(), false)) return;
67     }
68   }
69 }
70 
reportMessage(V8ConsoleMessage * message,bool generatePreview)71 bool V8ConsoleAgentImpl::reportMessage(V8ConsoleMessage* message,
72                                        bool generatePreview) {
73   DCHECK_EQ(V8MessageOrigin::kConsole, message->origin());
74   message->reportToFrontend(&m_frontend);
75   m_frontend.flush();
76   return m_session->inspector()->hasConsoleMessageStorage(
77       m_session->contextGroupId());
78 }
79 
80 }  // namespace v8_inspector
81