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, 37 insertions, 0 deletions

diff --git a/chrome/browser/extensions/extension_devtools_events.h b/chrome/browser/extensions/extension_devtools_events.h
new file mode 100644
index 0000000..ff985b2
--- /dev/null
+++ b/chrome/browser/extensions/extension_devtools_events.h
@@ -0,0 +1,37 @@
+// 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_EVENTS_H_
+#define CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_EVENTS_H_
+
+#include <string>
+
+#include "base/basictypes.h"
+
+// Static utility functions for dealing with extension devtools event names.
+// The format of the event names is <prefix>.<tab id>.<event name>
+// Equivalent name munging is done in the extension process in JavaScript
+// by chrome/renderer/resources/extension_process_bindings.js
+class ExtensionDevToolsEvents {
+ public:
+  // Checks if an event name is a magic devtools event name.  If so,
+  // the tab id of the event is put in *tab_id.
+  static bool IsDevToolsEventName(const std::string& event_name, int* tab_id);
+
+  // Generates the event string for an onPageEvent for a given tab.
+  static std::string OnPageEventNameForTab(int tab_id);
+
+  // Generates the event string for an onPageEvent for a given tab.
+  static std::string OnTabUrlChangeEventNameForTab(int tab_id);
+
+  // Generates the event string for an onTabCloseEvent for a given tab.
+  static std::string OnTabCloseEventNameForTab(int tab_id);
+
+ private:
+
+  DISALLOW_IMPLICIT_CONSTRUCTORS(ExtensionDevToolsEvents);
+};
+
+#endif  // CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_EVENTS_H_
+