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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_LOCATION_BAR_CONTROLLER_H_
#define CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_
#include <map>
#include <vector>
#include "base/macros.h"
#include "base/memory/linked_ptr.h"
#include "base/scoped_observer.h"
#include "extensions/browser/extension_registry_observer.h"
class ExtensionAction;
namespace content {
class WebContents;
class BrowserContext;
}
namespace extensions {
class Extension;
class ExtensionActionManager;
class ExtensionRegistry;
// Provides the UI with the current page actions for extensions. The execution
// of these actions is handled in the ExtensionActionAPI.
class LocationBarController : public ExtensionRegistryObserver {
public:
explicit LocationBarController(content::WebContents* web_contents);
virtual ~LocationBarController();
// Returns the actions which should be displayed in the location bar.
std::vector<ExtensionAction*> GetCurrentActions();
private:
// ExtensionRegistryObserver implementation.
virtual void OnExtensionLoaded(
content::BrowserContext* browser_context,
const Extension* extension) OVERRIDE;
virtual void OnExtensionUnloaded(
content::BrowserContext* browser_context,
const Extension* extension,
UnloadedExtensionInfo::Reason reason) OVERRIDE;
// The associated WebContents.
content::WebContents* web_contents_;
// The associated BrowserContext.
content::BrowserContext* browser_context_;
// The ExtensionActionManager to provide page actions.
ExtensionActionManager* action_manager_;
// Whether or not to show page actions in the location bar at all. (This is
// false with the toolbar redesign enabled.)
bool should_show_page_actions_;
// Manufactured page actions that have been generated for extensions that want
// to run a script, but were blocked.
typedef std::map<std::string, linked_ptr<ExtensionAction> >
ExtensionActionMap;
ExtensionActionMap active_script_actions_;
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
DISALLOW_COPY_AND_ASSIGN(LocationBarController);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_LOCATION_BAR_CONTROLLER_H_
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