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// Copyright 2014 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_STORAGE_MANAGER_H_
#define CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_STORAGE_MANAGER_H_
#include <string>
#include "base/memory/weak_ptr.h"
#include "base/scoped_observer.h"
#include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
#include "extensions/browser/extension_registry_observer.h"
class ExtensionAction;
namespace content {
class BrowserContext;
}
namespace extensions {
class ExtensionRegistry;
class StateStore;
// This class manages reading and writing browser action values from storage.
class ExtensionActionStorageManager : public ExtensionActionAPI::Observer,
public ExtensionRegistryObserver {
public:
explicit ExtensionActionStorageManager(content::BrowserContext* context);
~ExtensionActionStorageManager() override;
private:
// ExtensionActionAPI::Observer:
void OnExtensionActionUpdated(
ExtensionAction* extension_action,
content::WebContents* web_contents,
content::BrowserContext* browser_context) override;
void OnExtensionActionAPIShuttingDown() override;
// ExtensionRegistryObserver:
void OnExtensionLoaded(content::BrowserContext* browser_context,
const Extension* extension) override;
// Reads/Writes the ExtensionAction's default values to/from storage.
void WriteToStorage(ExtensionAction* extension_action);
void ReadFromStorage(
const std::string& extension_id, scoped_ptr<base::Value> value);
// Returns the Extensions StateStore for the |browser_context_|.
// May return NULL.
StateStore* GetStateStore();
content::BrowserContext* browser_context_;
ScopedObserver<ExtensionActionAPI, ExtensionActionAPI::Observer>
extension_action_observer_;
ScopedObserver<ExtensionRegistry, ExtensionRegistryObserver>
extension_registry_observer_;
base::WeakPtrFactory<ExtensionActionStorageManager> weak_factory_;
DISALLOW_COPY_AND_ASSIGN(ExtensionActionStorageManager);
};
} // namespace extensions
#endif // CHROME_BROWSER_EXTENSIONS_EXTENSION_ACTION_STORAGE_MANAGER_H_
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