1 files changed, 131 insertions, 0 deletions
diff --git a/content/browser/debugger/devtools_manager_impl.h b/content/browser/debugger/devtools_manager_impl.h
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+++ b/content/browser/debugger/devtools_manager_impl.h
@@ -0,0 +1,131 @@
+// Copyright (c) 2012 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.
+
+#ifndef CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_IMPL_H_
+#define CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_IMPL_H_
+
+#include <map>
+#include <string>
+
+#include "base/compiler_specific.h"
+#include "base/memory/singleton.h"
+#include "content/browser/debugger/devtools_agent_host.h"
+#include "content/common/content_export.h"
+#include "content/public/browser/devtools_client_host.h"
+#include "content/public/browser/devtools_manager.h"
+
+class GURL;
+
+namespace IPC {
+class Message;
+}
+
+namespace content {
+
+class DevToolsAgentHost;
+class RenderViewHost;
+
+// This class is a singleton that manages DevToolsClientHost instances and
+// routes messages between developer tools clients and agents.
+//
+// Methods below that accept inspected RenderViewHost as a parameter are
+// just convenience methods that call corresponding methods accepting
+// DevToolAgentHost.
+class CONTENT_EXPORT DevToolsManagerImpl
+    : public DevToolsAgentHost::CloseListener,
+      public DevToolsManager {
+ public:
+  // Returns single instance of this class. The instance is destroyed on the
+  // browser main loop exit so this method MUST NOT be called after that point.
+  static DevToolsManagerImpl* GetInstance();
+
+  DevToolsManagerImpl();
+  virtual ~DevToolsManagerImpl();
+
+  void DispatchOnInspectorFrontend(DevToolsAgentHost* agent_host,
+                                   const std::string& message);
+
+  void SaveAgentRuntimeState(DevToolsAgentHost* agent_host,
+                             const std::string& state);
+
+  // Sends 'Attach' message to the agent using |dest_rvh| in case
+  // there is a DevToolsClientHost registered for the |inspected_rvh|.
+  void OnNavigatingToPendingEntry(RenderViewHost* inspected_rvh,
+                                  RenderViewHost* dest_rvh,
+                                  const GURL& gurl);
+  void OnCancelPendingNavigation(RenderViewHost* pending,
+                                 RenderViewHost* current);
+
+  // DevToolsManager implementation
+  virtual bool DispatchOnInspectorBackend(DevToolsClientHost* from,
+                                          const std::string& message) OVERRIDE;
+  virtual void ContentsReplaced(WebContents* old_contents,
+                                WebContents* new_contents) OVERRIDE;
+  virtual void CloseAllClientHosts() OVERRIDE;
+  virtual void AttachClientHost(int client_host_cookie,
+                                DevToolsAgentHost* to_agent) OVERRIDE;
+  virtual DevToolsClientHost* GetDevToolsClientHostFor(
+      DevToolsAgentHost* agent_host) OVERRIDE;
+  virtual DevToolsAgentHost* GetDevToolsAgentHostFor(
+      DevToolsClientHost* client_host) OVERRIDE;
+  virtual void RegisterDevToolsClientHostFor(
+      DevToolsAgentHost* agent_host,
+      DevToolsClientHost* client_host) OVERRIDE;
+  virtual void UnregisterDevToolsClientHostFor(
+      DevToolsAgentHost* agent_host) OVERRIDE;
+  virtual int DetachClientHost(DevToolsAgentHost* from_agent) OVERRIDE;
+  virtual void ClientHostClosing(DevToolsClientHost* host) OVERRIDE;
+  virtual void InspectElement(DevToolsAgentHost* agent_host,
+                              int x, int y) OVERRIDE;
+  virtual void AddMessageToConsole(DevToolsAgentHost* agent_host,
+                                   ConsoleMessageLevel level,
+                                   const std::string& message) OVERRIDE;
+
+ private:
+  friend struct DefaultSingletonTraits<DevToolsManagerImpl>;
+
+  // DevToolsAgentHost::CloseListener implementation.
+  virtual void AgentHostClosing(DevToolsAgentHost* host) OVERRIDE;
+
+  void BindClientHost(DevToolsAgentHost* agent_host,
+                      DevToolsClientHost* client_host);
+  void UnbindClientHost(DevToolsAgentHost* agent_host,
+                        DevToolsClientHost* client_host);
+
+  // Detaches client host and returns cookie that can be used in
+  // AttachClientHost.
+  int DetachClientHost(RenderViewHost* from_rvh);
+
+  // Attaches orphan client host to new render view host.
+  void AttachClientHost(int client_host_cookie,
+                        RenderViewHost* to_rvh);
+
+  // These two maps are for tracking dependencies between inspected contents and
+  // their DevToolsClientHosts. They are useful for routing devtools messages
+  // and allow us to have at most one devtools client host per contents.
+  //
+  // DevToolsManagerImpl starts listening to DevToolsClientHosts when they are
+  // put into these maps and removes them when they are closing.
+  typedef std::map<DevToolsAgentHost*, DevToolsClientHost*>
+      AgentToClientHostMap;
+  AgentToClientHostMap agent_to_client_host_;
+
+  typedef std::map<DevToolsClientHost*, DevToolsAgentHost*>
+      ClientToAgentHostMap;
+  ClientToAgentHostMap client_to_agent_host_;
+
+  typedef std::map<DevToolsAgentHost*, std::string> AgentRuntimeStates;
+  AgentRuntimeStates agent_runtime_states_;
+
+  typedef std::map<int, std::pair<DevToolsClientHost*, std::string> >
+      OrphanClientHosts;
+  OrphanClientHosts orphan_client_hosts_;
+  int last_orphan_cookie_;
+
+  DISALLOW_COPY_AND_ASSIGN(DevToolsManagerImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_DEBUGGER_DEVTOOLS_MANAGER_IMPL_H_