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// 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 CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_
#include <map>
#include <string>
#include "base/memory/linked_ptr.h"
#include "components/browser_context_keyed_service/browser_context_keyed_service.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class ExtensionAction;
class Profile;
namespace extensions {
class Extension;
// Owns the ExtensionActions associated with each extension. These actions live
// while an extension is loaded and are destroyed on unload.
class ExtensionActionManager : public BrowserContextKeyedService,
public content::NotificationObserver {
public:
explicit ExtensionActionManager(Profile* profile);
virtual ~ExtensionActionManager();
// Returns this profile's ExtensionActionManager. One instance is
// shared between a profile and its incognito version.
static ExtensionActionManager* Get(Profile* profile);
// Retrieves the page action, browser action, or script badge for |extension|.
// If the result is not NULL, it remains valid until the extension is
// unloaded.
ExtensionAction* GetPageAction(const extensions::Extension& extension) const;
ExtensionAction* GetBrowserAction(
const extensions::Extension& extension) const;
ExtensionAction* GetScriptBadge(const extensions::Extension& extension) const;
ExtensionAction* GetSystemIndicator(
const extensions::Extension& extension) const;
private:
// Implement content::NotificationObserver.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
content::NotificationRegistrar registrar_;
Profile* profile_;
// Keyed by Extension ID. These maps are populated lazily when their
// ExtensionAction is first requested, and the entries are removed when the
// extension is unloaded. Not every extension has a page action or browser
// action, but all have a script badge.
typedef std::map<std::string, linked_ptr<ExtensionAction> > ExtIdToActionMap;
mutable ExtIdToActionMap page_actions_;
mutable ExtIdToActionMap browser_actions_;
mutable ExtIdToActionMap script_badges_;
mutable ExtIdToActionMap system_indicators_;
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_MANAGER_H_
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