[inspector] Initial import of v8_inspector.

src/inspector/V8ConsoleAgentImpl.cpp

+// Copyright 2016 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "src/inspector/V8ConsoleAgentImpl.h"
+
+#include "src/inspector/V8ConsoleMessage.h"
+#include "src/inspector/V8InspectorImpl.h"
+#include "src/inspector/V8InspectorSessionImpl.h"
+#include "src/inspector/V8StackTraceImpl.h"
+#include "src/inspector/protocol/Protocol.h"
+
+namespace v8_inspector {
+
+namespace ConsoleAgentState {
+static const char consoleEnabled[] = "consoleEnabled";
+}
+
+V8ConsoleAgentImpl::V8ConsoleAgentImpl(
+    V8InspectorSessionImpl* session, protocol::FrontendChannel* frontendChannel,
+    protocol::DictionaryValue* state)
+    : m_session(session),
+      m_state(state),
+      m_frontend(frontendChannel),
+      m_enabled(false) {}
+
+V8ConsoleAgentImpl::~V8ConsoleAgentImpl() {}
+
+void V8ConsoleAgentImpl::enable(ErrorString* errorString) {
+  if (m_enabled) return;
+  m_state->setBoolean(ConsoleAgentState::consoleEnabled, true);
+  m_enabled = true;
+  m_session->inspector()->enableStackCapturingIfNeeded();
+  reportAllMessages();
+}
+
+void V8ConsoleAgentImpl::disable(ErrorString* errorString) {
+  if (!m_enabled) return;
+  m_session->inspector()->disableStackCapturingIfNeeded();
+  m_state->setBoolean(ConsoleAgentState::consoleEnabled, false);
+  m_enabled = false;
+}
+
+void V8ConsoleAgentImpl::clearMessages(ErrorString* errorString) {}
+
+void V8ConsoleAgentImpl::restore() {
+  if (!m_state->booleanProperty(ConsoleAgentState::consoleEnabled, false))
+    return;
+  ErrorString ignored;
+  enable(&ignored);
+}
+
+void V8ConsoleAgentImpl::messageAdded(V8ConsoleMessage* message) {
+  if (m_enabled) reportMessage(message, true);
+}
+
+bool V8ConsoleAgentImpl::enabled() { return m_enabled; }
+
+void V8ConsoleAgentImpl::reportAllMessages() {
+  V8ConsoleMessageStorage* storage =
+      m_session->inspector()->ensureConsoleMessageStorage(
+          m_session->contextGroupId());
+  for (const auto& message : storage->messages()) {
+    if (message->origin() == V8MessageOrigin::kConsole)
+      reportMessage(message.get(), false);
+  }
+}
+
+void V8ConsoleAgentImpl::reportMessage(V8ConsoleMessage* message,
+                                       bool generatePreview) {
+  DCHECK(message->origin() == V8MessageOrigin::kConsole);
+  message->reportToFrontend(&m_frontend);
+  m_frontend.flush();
+}
+
+}  // namespace v8_inspector