Exposes a chrome.devtools object to extensions. This allows extensions to call chrome.devtools.connect() to open up a Port by which it can receive devtools messages to implement the proposed perf trace extensions API documented here:

http://code.google.com/p/chromium/wiki/ExtensionsPerfTraceAPI

Review URL: http://codereview.chromium.org/159882

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@24158 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 60 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_devtools_bridge.h b/chrome/browser/extensions/extension_devtools_bridge.h
new file mode 100644
index 0000000..b4cb98d
--- /dev/null
+++ b/chrome/browser/extensions/extension_devtools_bridge.h
@@ -0,0 +1,60 @@
+// Copyright (c) 2009 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_BRIDGE_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_BRIDGE_H_
+
+#include <string>
+
+#include "base/ref_counted.h"
+#include "chrome/browser/debugger/devtools_client_host.h"
+#include "chrome/browser/extensions/extension_devtools_manager.h"
+#include "chrome/browser/extensions/extension_message_service.h"
+
+class Profile;
+class RenderViewHost;
+
+// This class is a DevToolsClientHost that fires extension events.
+class ExtensionDevToolsBridge : public DevToolsClientHost {
+ public:
+  ExtensionDevToolsBridge(int tab_id, Profile* profile);
+  virtual ~ExtensionDevToolsBridge();
+
+  bool RegisterAsDevToolsClientHost();
+  void UnregisterAsDevToolsClientHost();
+
+  // DevToolsClientHost, called when the tab inspected by this client is
+  // closing.
+  virtual void InspectedTabClosing();
+
+  // DevToolsClientHost, called to send a message to this host.
+  virtual void SendMessageToClient(const IPC::Message& msg);
+
+ private:
+  void OnRpcMessage(const std::string& class_name,
+                    const std::string& message_name,
+                    const std::string& msg);
+
+  // ID of the tab we are monitoring.
+  int tab_id_;
+  // Host of the tab we are monitoring, NULL if not monitoring anything.
+  RenderViewHost* inspected_rvh_;
+
+  scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
+  scoped_refptr<ExtensionMessageService> extension_message_service_;
+
+  // Profile that owns our tab
+  Profile* profile_;
+
+  // The names of the events fired at extensions depend on the tab id,
+  // so we store the various event names in each bridge.
+  const std::string on_page_event_name_;
+  const std::string on_tab_url_change_event_name_;
+  const std::string on_tab_close_event_name_;
+
+  DISALLOW_COPY_AND_ASSIGN(ExtensionDevToolsBridge);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_BRIDGE_H_
+