[DevTools] Dispatch messages to V8InspectorSession directly.

third_party/WebKit/Source/platform/v8_inspector/V8InspectorSessionImpl.cpp

 // Copyright 2016 The Chromium 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 "platform/v8_inspector/V8InspectorSessionImpl.h"
 
+#include "platform/inspector_protocol/Parser.h"
 #include "platform/v8_inspector/InjectedScript.h"
 #include "platform/v8_inspector/InspectedContext.h"
 #include "platform/v8_inspector/RemoteObjectId.h"
 #include "platform/v8_inspector/V8DebuggerAgentImpl.h"
 #include "platform/v8_inspector/V8DebuggerImpl.h"
 #include "platform/v8_inspector/V8HeapProfilerAgentImpl.h"
 #include "platform/v8_inspector/V8ProfilerAgentImpl.h"
 #include "platform/v8_inspector/V8RuntimeAgentImpl.h"
 #include "platform/v8_inspector/public/V8ContextInfo.h"
 #include "platform/v8_inspector/public/V8DebuggerClient.h"
 
 namespace blink {
 
 const char V8InspectorSession::backtraceObjectGroup[] = "backtrace";
 
-PassOwnPtr<V8InspectorSessionImpl> V8InspectorSessionImpl::create(V8DebuggerImpl* debugger, int contextGroupId)
+// static
+bool V8InspectorSession::isV8ProtocolMethod(const String16& method)
 {
-    return adoptPtr(new V8InspectorSessionImpl(debugger, contextGroupId));
+    return method.startWith("Debugger.") || method.startWith("HeapProfiler.") || method.startWith("Profiler.") || method.startWith("Runtime.");
 }
 
-V8InspectorSessionImpl::V8InspectorSessionImpl(V8DebuggerImpl* debugger, int contextGroupId)
+PassOwnPtr<V8InspectorSessionImpl> V8InspectorSessionImpl::create(V8DebuggerImpl* debugger, int contextGroupId, V8InspectorSessionClient* client, const String16* state)
+{
+    return adoptPtr(new V8InspectorSessionImpl(debugger, contextGroupId, client, state));
+}
+
+V8InspectorSessionImpl::V8InspectorSessionImpl(V8DebuggerImpl* debugger, int contextGroupId, V8InspectorSessionClient* client, const String16* savedState)
     : m_contextGroupId(contextGroupId)
     , m_debugger(debugger)
-    , m_client(nullptr)
+    , m_client(client)
     , m_customObjectFormatterEnabled(false)
     , m_instrumentationCounter(0)
-    , m_runtimeAgent(adoptPtr(new V8RuntimeAgentImpl(this)))
-    , m_debuggerAgent(adoptPtr(new V8DebuggerAgentImpl(this)))
-    , m_heapProfilerAgent(adoptPtr(new V8HeapProfilerAgentImpl(this)))
-    , m_profilerAgent(adoptPtr(new V8ProfilerAgentImpl(this)))
+    , m_frontend(adoptPtr(new protocol::Frontend(client)))
+    , m_dispatcher(protocol::Dispatcher::create(client))
+    , m_state(nullptr)
+    , m_runtimeAgent(nullptr)
+    , m_debuggerAgent(nullptr)
+    , m_heapProfilerAgent(nullptr)
+    , m_profilerAgent(nullptr)
 {
+    if (savedState) {
+        OwnPtr<protocol::Value> state = protocol::parseJSON(*savedState);
+        if (state)
+            m_state = protocol::DictionaryValue::cast(std::move(state));
+        if (!m_state)
+            m_state = protocol::DictionaryValue::create();
+    } else {
+        m_state = protocol::DictionaryValue::create();
+    }
+
+    m_runtimeAgent = adoptPtr(new V8RuntimeAgentImpl(this, protocol::Frontend::Runtime::from(m_frontend.get()), agentState("Runtime")));
+    m_dispatcher->registerAgent(static_cast<protocol::Backend::Runtime*>(m_runtimeAgent.get()));
+
+    m_debuggerAgent = adoptPtr(new V8DebuggerAgentImpl(this, protocol::Frontend::Debugger::from(m_frontend.get()), agentState("Debugger")));
+    m_dispatcher->registerAgent(static_cast<protocol::Backend::Debugger*>(m_debuggerAgent.get()));
+
+    m_heapProfilerAgent = adoptPtr(new V8HeapProfilerAgentImpl(this, protocol::Frontend::HeapProfiler::from(m_frontend.get()), agentState("HeapProfiler")));
+    m_dispatcher->registerAgent(static_cast<protocol::Backend::HeapProfiler*>(m_heapProfilerAgent.get()));
+
+    m_profilerAgent = adoptPtr(new V8ProfilerAgentImpl(this, protocol::Frontend::Profiler::from(m_frontend.get()), agentState("Profiler")));
+    m_dispatcher->registerAgent(static_cast<protocol::Backend::Profiler*>(m_profilerAgent.get()));
+
+    if (savedState) {
+        m_runtimeAgent->restore();
+        m_debuggerAgent->restore();
+        m_heapProfilerAgent->restore();
+        m_profilerAgent->restore();
+    }
 }
 
 V8InspectorSessionImpl::~V8InspectorSessionImpl()
 {
+    m_dispatcher->clearFrontend();
+    m_dispatcher.clear();
+
+    ErrorString errorString;
+    m_profilerAgent->disable(&errorString);
+    m_heapProfilerAgent->disable(&errorString);
+    m_debuggerAgent->disable(&errorString);
+    m_runtimeAgent->disable(&errorString);
+
+    m_frontend.clear();
     discardInjectedScripts();
     m_debugger->disconnect(this);
 }
 
-V8DebuggerAgent* V8InspectorSessionImpl::debuggerAgent()
+protocol::DictionaryValue* V8InspectorSessionImpl::agentState(const String16& name)
 {
-    return m_debuggerAgent.get();
-}
-
-V8HeapProfilerAgent* V8InspectorSessionImpl::heapProfilerAgent()
-{
-    return m_heapProfilerAgent.get();
-}
-
-V8ProfilerAgent* V8InspectorSessionImpl::profilerAgent()
-{
-    return m_profilerAgent.get();
-}
-
-V8RuntimeAgent* V8InspectorSessionImpl::runtimeAgent()
-{
-    return m_runtimeAgent.get();
-}
-
-void V8InspectorSessionImpl::setClient(V8InspectorSessionClient* client)
-{
-    m_client = client;
+    protocol::DictionaryValue* state = m_state->getObject(name);
+    if (!state) {
+        OwnPtr<protocol::DictionaryValue> newState = protocol::DictionaryValue::create();
+        state = newState.get();
+        m_state->setObject(name, std::move(newState));
+    }
+    return state;
 }
 
 void V8InspectorSessionImpl::reset()
 {
     m_debuggerAgent->reset();
     m_runtimeAgent->reset();
     discardInjectedScripts();
 }
 
 void V8InspectorSessionImpl::discardInjectedScripts()
@@ skipping 118 matching lines @@
     const V8DebuggerImpl::ContextByIdMap* contexts = m_debugger->contextGroup(m_contextGroupId);
     if (!contexts)
         return;
     for (auto& idContext : *contexts)
         agent->reportExecutionContextCreated(idContext.second);
 }
 
 void V8InspectorSessionImpl::changeInstrumentationCounter(int delta)
 {
     DCHECK_GE(m_instrumentationCounter + delta, 0);
-    if (!m_instrumentationCounter && m_client)
+    if (!m_instrumentationCounter)
         m_client->startInstrumenting();
     m_instrumentationCounter += delta;
-    if (!m_instrumentationCounter && m_client)
+    if (!m_instrumentationCounter)
         m_client->stopInstrumenting();
 }
 
+void V8InspectorSessionImpl::dispatchProtocolMessage(const String16& message)
+{
+    m_dispatcher->dispatch(message);
+}
+
+String16 V8InspectorSessionImpl::stateJSON()
+{
+    return m_state->toJSONString();
+}
+
 void V8InspectorSessionImpl::addInspectedObject(PassOwnPtr<V8InspectorSession::Inspectable> inspectable)
 {
     m_inspectedObjects.prepend(std::move(inspectable));
     while (m_inspectedObjects.size() > kInspectedObjectBufferSize)
         m_inspectedObjects.removeLast();
 }
 
 V8InspectorSession::Inspectable* V8InspectorSessionImpl::inspectedObject(unsigned num)
 {
     if (num >= m_inspectedObjects.size())
@@ skipping 20 matching lines @@
 {
     m_debuggerAgent->breakProgramOnException(breakReason, std::move(data));
 }
 
 void V8InspectorSessionImpl::setSkipAllPauses(bool skip)
 {
     ErrorString errorString;
     m_debuggerAgent->setSkipAllPauses(&errorString, skip);
 }
 
+void V8InspectorSessionImpl::resume()
+{
+    ErrorString errorString;
+    m_debuggerAgent->resume(&errorString);
+}
+
+void V8InspectorSessionImpl::stepOver()
+{
+    ErrorString errorString;
+    m_debuggerAgent->stepOver(&errorString);
+}
+
 void V8InspectorSessionImpl::asyncTaskScheduled(const String16& taskName, void* task, bool recurring)
 {
     m_debuggerAgent->asyncTaskScheduled(taskName, task, recurring);
 }
 
 void V8InspectorSessionImpl::asyncTaskCanceled(void* task)
 {
     m_debuggerAgent->asyncTaskCanceled(task);
 }
 
 void V8InspectorSessionImpl::asyncTaskStarted(void* task)
 {
     m_debuggerAgent->asyncTaskStarted(task);
 }
 
 void V8InspectorSessionImpl::asyncTaskFinished(void* task)
 {
     m_debuggerAgent->asyncTaskFinished(task);
 }
 
 void V8InspectorSessionImpl::allAsyncTasksCanceled()
 {
     m_debuggerAgent->allAsyncTasksCanceled();
 }
 
 } // namespace blink