// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef IOS_CHROME_BROWSER_BOOKMARKS_MODEL_BOOKMARK_MODEL_BRIDGE_OBSERVER_H_
#define IOS_CHROME_BROWSER_BOOKMARKS_MODEL_BOOKMARK_MODEL_BRIDGE_OBSERVER_H_
#import <Foundation/Foundation.h>
#include "base/scoped_observation.h"
#include "components/bookmarks/browser/bookmark_model.h"
#include "components/bookmarks/browser/bookmark_model_observer.h"
namespace bookmarks {
class BookmarkNode;
} // namespace bookmarks
// The ObjC translations of the C++ observer callbacks are defined here.
@protocol BookmarkModelBridgeObserver <NSObject>
// The bookmark model has loaded.
- (void)bookmarkModelLoaded;
// The node has changed, but not its children.
- (void)didChangeNode:(const bookmarks::BookmarkNode*)bookmarkNode;
// The node has not changed, but the ordering and existence of its children have
// changed.
- (void)didChangeChildrenForNode:(const bookmarks::BookmarkNode*)bookmarkNode;
// The node has moved to a new parent folder.
- (void)didMoveNode:(const bookmarks::BookmarkNode*)bookmarkNode
fromParent:(const bookmarks::BookmarkNode*)oldParent
toParent:(const bookmarks::BookmarkNode*)newParent;
// `node` was deleted from `folder`.
- (void)didDeleteNode:(const bookmarks::BookmarkNode*)node
fromFolder:(const bookmarks::BookmarkNode*)folder;
// All non-permanent nodes have been removed in model.
- (void)bookmarkModelRemovedAllNodes;
@optional
// Called before removing a bookmark node.
- (void)willDeleteNode:(const bookmarks::BookmarkNode*)node
fromFolder:(const bookmarks::BookmarkNode*)folder;
// Called after adding a bookmark node.
- (void)didAddNode:(const bookmarks::BookmarkNode*)node
toFolder:(const bookmarks::BookmarkNode*)folder;
// Called before removing all non-permanent nodes.
- (void)bookmarkModelWillRemoveAllNodes;
// The node favicon changed.
- (void)didChangeFaviconForNode:(const bookmarks::BookmarkNode*)bookmarkNode;
// Called before changing a bookmark node.
- (void)willChangeBookmarkNode:(const bookmarks::BookmarkNode*)bookmarkNode;
// Called when the model is being deleted.
- (void)bookmarkModelBeingDeleted;
@end
// A bridge that translates BookmarkModelObserver C++ callbacks into ObjC
// callbacks.
class BookmarkModelBridge : public bookmarks::BookmarkModelObserver {
public:
BookmarkModelBridge(id<BookmarkModelBridgeObserver> observer,
bookmarks::BookmarkModel* model);
~BookmarkModelBridge() override;
private:
void BookmarkModelLoaded(bool ids_reassigned) override;
void BookmarkModelBeingDeleted() override;
void BookmarkNodeMoved(const bookmarks::BookmarkNode* old_parent,
size_t old_index,
const bookmarks::BookmarkNode* new_parent,
size_t new_index) override;
void BookmarkNodeAdded(const bookmarks::BookmarkNode* parent,
size_t index,
bool added_by_user) override;
void OnWillRemoveBookmarks(const bookmarks::BookmarkNode* parent,
size_t old_index,
const bookmarks::BookmarkNode* node,
const base::Location& location) override;
void BookmarkNodeRemoved(const bookmarks::BookmarkNode* parent,
size_t old_index,
const bookmarks::BookmarkNode* node,
const std::set<GURL>& removed_urls,
const base::Location& location) override;
void OnWillChangeBookmarkNode(const bookmarks::BookmarkNode* node) override;
void BookmarkNodeChanged(const bookmarks::BookmarkNode* node) override;
void BookmarkNodeFaviconChanged(const bookmarks::BookmarkNode* node) override;
void BookmarkNodeChildrenReordered(
const bookmarks::BookmarkNode* node) override;
void OnWillRemoveAllUserBookmarks(const base::Location& location) override;
void BookmarkAllUserNodesRemoved(const std::set<GURL>& removed_urls,
const base::Location& location) override;
__weak id<BookmarkModelBridgeObserver> observer_;
base::ScopedObservation<bookmarks::BookmarkModel,
bookmarks::BookmarkModelObserver>
model_observation_{this};
};
#endif // IOS_CHROME_BROWSER_BOOKMARKS_MODEL_BOOKMARK_MODEL_BRIDGE_OBSERVER_H_
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