| // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ |
| #define CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ |
| |
| #include <vector> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "base/observer_list.h" |
| #include "components/bookmarks/browser/bookmark_model_observer.h" |
| #include "ui/base/models/combobox_model.h" |
| |
| namespace bookmarks { |
| class BookmarkModel; |
| class BookmarkNode; |
| } |
| |
| // Model for the combobox showing the list of folders to choose from. The |
| // list always contains the Bookmarks Bar, Other Bookmarks and the parent |
| // folder. The list also contains an extra item that shows the text |
| // "Choose Another Folder...". |
| class RecentlyUsedFoldersComboModel : public ui::ComboboxModel, |
| public bookmarks::BookmarkModelObserver { |
| public: |
| RecentlyUsedFoldersComboModel(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* node); |
| ~RecentlyUsedFoldersComboModel() override; |
| |
| // Overridden from ui::ComboboxModel: |
| int GetItemCount() const override; |
| base::string16 GetItemAt(int index) override; |
| bool IsItemSeparatorAt(int index) override; |
| int GetDefaultIndex() const override; |
| void AddObserver(ui::ComboboxModelObserver* observer) override; |
| void RemoveObserver(ui::ComboboxModelObserver* observer) override; |
| |
| // Overriden from bookmarks::BookmarkModelObserver: |
| void BookmarkModelLoaded(bookmarks::BookmarkModel* model, |
| bool ids_reassigned) override; |
| void BookmarkModelBeingDeleted(bookmarks::BookmarkModel* model) override; |
| void BookmarkNodeMoved(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* old_parent, |
| int old_index, |
| const bookmarks::BookmarkNode* new_parent, |
| int new_index) override; |
| void BookmarkNodeAdded(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* parent, |
| int index) override; |
| void OnWillRemoveBookmarks(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* parent, |
| int old_index, |
| const bookmarks::BookmarkNode* node) override; |
| void BookmarkNodeRemoved(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* parent, |
| int old_index, |
| const bookmarks::BookmarkNode* node, |
| const std::set<GURL>& removed_urls) override; |
| void BookmarkNodeChanged(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* node) override; |
| void BookmarkNodeFaviconChanged(bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* node) override; |
| void BookmarkNodeChildrenReordered( |
| bookmarks::BookmarkModel* model, |
| const bookmarks::BookmarkNode* node) override; |
| void BookmarkAllUserNodesRemoved(bookmarks::BookmarkModel* model, |
| const std::set<GURL>& removed_urls) override; |
| |
| // If necessary this function moves |node| into the corresponding folder for |
| // the given |selected_index|. |
| void MaybeChangeParent(const bookmarks::BookmarkNode* node, |
| int selected_index); |
| |
| private: |
| // Returns the node at the specified |index|. |
| const bookmarks::BookmarkNode* GetNodeAt(int index); |
| |
| // Removes |node| from |items_|. Does nothing if |node| is not in |items_|. |
| void RemoveNode(const bookmarks::BookmarkNode* node); |
| |
| struct Item; |
| std::vector<Item> items_; |
| |
| bookmarks::BookmarkModel* bookmark_model_; |
| |
| // The index of the original parent folder. |
| int node_parent_index_; |
| |
| base::ObserverList<ui::ComboboxModelObserver>::Unchecked observers_; |
| |
| DISALLOW_COPY_AND_ASSIGN(RecentlyUsedFoldersComboModel); |
| }; |
| |
| #endif // CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ |