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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_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
#define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
#include "base/memory/scoped_ptr.h"
#include "base/synchronization/lock.h"
#include "chrome/browser/content_settings/content_settings_observable_provider.h"
#include "chrome/browser/content_settings/content_settings_origin_identifier_value_map.h"
#include "chrome/common/content_settings.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
class ExtensionService;
namespace extensions {
class Extension;
}
namespace content_settings {
// A content settings provider which disables certain plugins for platform apps.
class InternalExtensionProvider : public ObservableProvider,
public content::NotificationObserver {
public:
explicit InternalExtensionProvider(ExtensionService* extension_service);
virtual ~InternalExtensionProvider();
// ProviderInterface methods:
virtual RuleIterator* GetRuleIterator(
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
bool incognito) const OVERRIDE;
virtual bool SetWebsiteSetting(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
base::Value* value) OVERRIDE;
virtual void ClearAllContentSettingsRules(ContentSettingsType content_type)
OVERRIDE;
virtual void ShutdownOnUIThread() OVERRIDE;
// content::NotificationObserver implementation.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
private:
void SetContentSettingForExtension(const extensions::Extension* extension,
ContentSetting setting);
void SetContentSettingForExtensionAndResource(
const extensions::Extension* extension,
const ResourceIdentifier& resource,
ContentSetting setting);
OriginIdentifierValueMap value_map_;
// Used around accesses to the |value_map_| list to guarantee thread safety.
mutable base::Lock lock_;
scoped_ptr<content::NotificationRegistrar> registrar_;
DISALLOW_COPY_AND_ASSIGN(InternalExtensionProvider);
};
} // namespace content_settings
#endif // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_INTERNAL_EXTENSION_PROVIDER_H_
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