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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_PERMISSION_SETTINGS_REGISTRY_H_
#define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_PERMISSION_SETTINGS_REGISTRY_H_
#include <map>
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/lazy_instance.h"
#include "base/memory/raw_ptr.h"
#include "components/content_settings/core/browser/content_settings_utils.h"
#include "components/content_settings/core/browser/permission_settings_info.h"
#include "components/content_settings/core/browser/website_settings_info.h"
#include "components/content_settings/core/browser/website_settings_registry.h"
#include "components/content_settings/core/common/content_settings.h"
namespace content_settings {
class WebsiteSettingsRegistry;
// This class stores PermissionSettingsInfo objects for each permission setting
// in the system and provides access to them. Global instances can be fetched
// and methods called from from any thread because all of its public methods are
// const.
class PermissionSettingsRegistry {
public:
using Map =
std::map<ContentSettingsType, std::unique_ptr<PermissionSettingsInfo>>;
using const_iterator = MapValueIterator<typename Map::const_iterator,
const PermissionSettingsInfo*>;
static PermissionSettingsRegistry* GetInstance();
PermissionSettingsRegistry(const PermissionSettingsRegistry&) = delete;
PermissionSettingsRegistry& operator=(const PermissionSettingsRegistry&) =
delete;
// Reset the instance for use inside tests.
void ResetForTesting();
const PermissionSettingsInfo* Get(ContentSettingsType type) const;
const_iterator begin() const;
const_iterator end() const;
// Register a new content setting. This maps an origin to an ALLOW/ASK/BLOCK
// value (see the ContentSetting enum).
const PermissionSettingsInfo* Register(
ContentSettingsType type,
const std::string& name,
PermissionSetting initial_default_value,
WebsiteSettingsInfo::SyncStatus sync_status,
const std::vector<std::string>& allowlisted_primary_schemes,
WebsiteSettingsInfo::ScopingType scoping_type,
WebsiteSettingsRegistry::Platforms platforms,
PermissionSettingsInfo::OriginRestriction origin_restriction,
std::unique_ptr<PermissionSettingsInfo::Delegate> delegate);
private:
friend class ContentSettingsRegistryTest;
friend struct base::LazyInstanceTraitsBase<PermissionSettingsRegistry>;
PermissionSettingsRegistry();
explicit PermissionSettingsRegistry(
WebsiteSettingsRegistry* website_settings_registry);
~PermissionSettingsRegistry();
void Init();
Map permission_settings_info_;
raw_ptr<WebsiteSettingsRegistry> website_settings_registry_;
};
} // namespace content_settings
#endif // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_PERMISSION_SETTINGS_REGISTRY_H_
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