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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 CHROME_BROWSER_UI_SAFETY_HUB_UNUSED_SITE_PERMISSIONS_MANAGER_H_
#define CHROME_BROWSER_UI_SAFETY_HUB_UNUSED_SITE_PERMISSIONS_MANAGER_H_
#include <memory>
#include <string>
#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
#include "components/content_settings/core/browser/host_content_settings_map.h"
#include "components/content_settings/core/common/content_settings_pattern.h"
#include "components/content_settings/core/common/content_settings_types.h"
#include "content/public/browser/browser_context.h"
class PrefChangeRegistrar;
class PrefService;
namespace url {
class Origin;
}
// This class keeps track of unused site permissions by updating
// their last_visit date on navigations and clearing them periodically.
class UnusedSitePermissionsManager {
public:
explicit UnusedSitePermissionsManager(
content::BrowserContext* browser_context,
PrefService* prefs);
UnusedSitePermissionsManager(const UnusedSitePermissionsManager&) = delete;
UnusedSitePermissionsManager& operator=(const UnusedSitePermissionsManager&) =
delete;
~UnusedSitePermissionsManager();
// Helper to convert content settings type into its string representation.
static std::string ConvertContentSettingsTypeToKey(ContentSettingsType type);
// Helper to get content settings type from its string representation.
static ContentSettingsType ConvertKeyToContentSettingsType(
const std::string& key);
// Helper to convert single origin primary pattern to an origin.
// Converting a primary pattern to an origin is normally an anti-pattern, and
// this method should only be used for single origin primary patterns.
// They have fully defined URL+scheme+port which makes converting
// a primary pattern to an origin successful.
static url::Origin ConvertPrimaryPatternToOrigin(
const ContentSettingsPattern& primary_pattern);
private:
FRIEND_TEST_ALL_PREFIXES(UnusedSitePermissionsManagerTest,
UpdateIntegerValuesToGroupName_AllContentSettings);
FRIEND_TEST_ALL_PREFIXES(
UnusedSitePermissionsManagerTest,
UpdateIntegerValuesToGroupName_SubsetOfContentSettings);
FRIEND_TEST_ALL_PREFIXES(
UnusedSitePermissionsManagerTest,
UpdateIntegerValuesToGroupName_UnknownContentSettings);
// Convert all integer permission values to string, if there is any
// permission represented by integer.
void UpdateIntegerValuesToGroupName();
// Pointer to an object that allows us to manage site permissions.
HostContentSettingsMap* hcsm() {
return HostContentSettingsMapFactory::GetForProfile(browser_context_.get());
}
// Pointer to a browser context whose permissions are being updated.
raw_ptr<content::BrowserContext> browser_context_;
// Observes user profile prefs.
std::unique_ptr<PrefChangeRegistrar> pref_change_registrar_;
};
#endif // CHROME_BROWSER_UI_SAFETY_HUB_UNUSED_SITE_PERMISSIONS_MANAGER_H_
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