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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_INFO_H_
#define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_PERMISSION_SETTINGS_INFO_H_
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "base/memory/raw_ptr.h"
#include "components/content_settings/core/common/content_settings.h"
namespace base {
class Value;
}
namespace content_settings {
class WebsiteSettingsInfo;
class PermissionSettingsInfo {
public:
// Implements PermissionSetting specific logic like validation, incognito
// inherince and parsing.
class Delegate {
public:
virtual ~Delegate() = default;
// Return whether the setting is valid.
virtual bool IsValid(const PermissionSetting& setting) const = 0;
// Returns a setting to inherit to incognito mode.
virtual PermissionSetting InheritInIncognito(
const PermissionSetting& setting) const = 0;
// Returns if at least some of the permission setting is allowed. Used e.g.
// to decide whether the permission setting can be auto-revoked by
// SafetyHub.
virtual bool IsAnyPermissionAllowed(PermissionSetting setting) const = 0;
// Returns true when no permission has been allowed or blocked yet.
virtual bool IsUndecided(PermissionSetting setting) const = 0;
// Returns whether the permission setting supports expiration tracking.
virtual bool CanTrackLastVisit() const = 0;
// Returns true if any existing persistent state should be coalesced with
// ephemeral state from the OneTimePermissionProvider.
virtual bool ShouldCoalesceEphemeralState() const = 0;
// Returns the coalesced PermissionSetting based on the passed in persistent
// and ephemeral state.
virtual PermissionSetting CoalesceEphemeralState(
const PermissionSetting& persistent_permission_setting,
const PermissionSetting& ephemeral_permission_setting) const;
// Parsing and conversion methods.
virtual base::Value ToValue(const PermissionSetting& setting) const = 0;
virtual std::optional<PermissionSetting> FromValue(
const base::Value& value) const = 0;
};
enum OriginRestriction {
// This flag indicates content types that only allow exceptions to be set
// on secure origins.
EXCEPTIONS_ON_SECURE_ORIGINS_ONLY,
// This flag indicates content types that allow exceptions to be set on
// secure and insecure origins.
EXCEPTIONS_ON_SECURE_AND_INSECURE_ORIGINS,
};
// This object does not take ownership of |website_settings_info|.
PermissionSettingsInfo(
const WebsiteSettingsInfo* website_settings_info,
const std::vector<std::string>& allowlisted_primary_schemes,
OriginRestriction origin_restriction,
std::unique_ptr<Delegate> delegate);
PermissionSettingsInfo(const PermissionSettingsInfo&) = delete;
PermissionSettingsInfo& operator=(const PermissionSettingsInfo&) = delete;
~PermissionSettingsInfo();
const WebsiteSettingsInfo* website_settings_info() const {
return website_settings_info_;
}
const std::vector<std::string>& allowlisted_primary_schemes() const {
return allowlisted_primary_schemes_;
}
// Gets the original default setting for a particular content type.
PermissionSetting GetInitialDefaultSetting() const;
OriginRestriction origin_restriction() const { return origin_restriction_; }
const Delegate& delegate() const { return *delegate_; }
private:
raw_ptr<const WebsiteSettingsInfo> website_settings_info_;
const std::vector<std::string> allowlisted_primary_schemes_;
const OriginRestriction origin_restriction_;
const std::unique_ptr<Delegate> delegate_;
};
} // namespace content_settings
#endif // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_PERMISSION_SETTINGS_INFO_H_
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