From 89ebc7edb982ebf5f8b185aa6e3aae6904eed965 Mon Sep 17 00:00:00 2001 From: "mpcomplete@chromium.org" Date: Mon, 24 Aug 2009 22:11:07 +0000 Subject: 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 --- .../extensions/extension_devtools_manager.h | 63 ++++++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 chrome/browser/extensions/extension_devtools_manager.h (limited to 'chrome/browser/extensions/extension_devtools_manager.h') diff --git a/chrome/browser/extensions/extension_devtools_manager.h b/chrome/browser/extensions/extension_devtools_manager.h new file mode 100644 index 0000000..35e7cec --- /dev/null +++ b/chrome/browser/extensions/extension_devtools_manager.h @@ -0,0 +1,63 @@ +// 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_MANAGER_H_ +#define CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_MANAGER_H_ + +#include +#include +#include +#include "base/linked_ptr.h" +#include "base/ref_counted.h" + +class ExtensionDevToolsBridge; +class MessageLoop; +class Profile; + +// This class manages the lifetimes of ExtensionDevToolsBridge objects. +// The manager is owned by the Profile. +// +// The lifetime of an ExtensionDevToolsBridge object is determined by: +// * the existence of registered event handlers for the bridge's tab +// * the lifetime of the inspected tab +// +// The manager is alerted whenever an event listener is added or removed and +// keeps track of the set of renderers with event listeners registered for each +// tab. A new bridge object is created for a tab when the first event listener +// is registered on that tab. A bridge object is destroyed when all event +// listeners are removed, the inspected tab closes, or when the manager itself +// is destroyed. + +class ExtensionDevToolsManager + : public base::RefCountedThreadSafe { + public: + // UI thread only: + explicit ExtensionDevToolsManager(Profile* profile); + ~ExtensionDevToolsManager(); + + void AddEventListener(const std::string& event_name, + int render_process_id); + + void RemoveEventListener(const std::string& event_name, + int render_process_id); + + void BridgeClosingForTab(int tab_id); + + private: + + // Map of tab IDs to the ExtensionDevToolsBridge connected to the tab + std::map > tab_id_to_bridge_; + + // Map of tab IDs to the set of render_process_ids that have registered + // event handlers for the tab. + std::map > tab_id_to_render_process_ids_; + + Profile* profile_; + MessageLoop* ui_loop_; + + DISALLOW_COPY_AND_ASSIGN(ExtensionDevToolsManager); +}; + +#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_DEVTOOLS_MANAGER_H_ + -- cgit v1.1