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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_BOOKMARKS_BOOKMARK_PARENT_FOLDER_H_
#define CHROME_BROWSER_BOOKMARKS_BOOKMARK_PARENT_FOLDER_H_
#include <optional>
#include <variant>
#include "base/memory/raw_ptr.h"
namespace bookmarks {
class BookmarkNode;
} // namespace bookmarks
// Holds a `PermanentFolderType` or a non-permanent node folder `BookmarkNode`.
// `PermanentFolderType/ const BookmarkNode*` should be passed by value.
struct BookmarkParentFolder {
// Represents a combined view of account and local bookmark permanent nodes.
// Note: Managed node is an exception as it has only local data.
enum class PermanentFolderType {
kBookmarkBarNode,
kOtherNode,
kMobileNode,
kManagedNode
};
static BookmarkParentFolder BookmarkBarFolder();
static BookmarkParentFolder OtherFolder();
static BookmarkParentFolder MobileFolder();
static BookmarkParentFolder ManagedFolder();
// `node` must be not null, not root node and it must be a folder.
static BookmarkParentFolder FromFolderNode(
const bookmarks::BookmarkNode* node);
~BookmarkParentFolder();
BookmarkParentFolder(const BookmarkParentFolder& other);
BookmarkParentFolder& operator=(const BookmarkParentFolder& other);
friend bool operator==(const BookmarkParentFolder&,
const BookmarkParentFolder&) = default;
friend auto operator<=>(const BookmarkParentFolder&,
const BookmarkParentFolder&) = default;
// Returns `true` if `this` hols a non-permanent folder.
bool HoldsNonPermanentFolder() const;
// Returns null if `this` is not a permanent folder.
std::optional<PermanentFolderType> as_permanent_folder() const;
// Returns null if `this` is a permanent folder.
const bookmarks::BookmarkNode* as_non_permanent_folder() const;
// Returns true if `node` is a direct child of `this`.
// `node` must not be null.
bool HasDirectChildNode(const bookmarks::BookmarkNode* node) const;
// Returns true if this == ancestor, or one of this folder's parents is
// ancestor.
bool HasAncestor(const BookmarkParentFolder& ancestor) const;
private:
explicit BookmarkParentFolder(
std::variant<PermanentFolderType, raw_ptr<const bookmarks::BookmarkNode>>
parent);
std::variant<PermanentFolderType, raw_ptr<const bookmarks::BookmarkNode>>
bookmark_;
};
#endif // CHROME_BROWSER_BOOKMARKS_BOOKMARK_PARENT_FOLDER_H_
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