1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ 6 #define CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "base/compiler_specific.h" 12 #include "base/observer_list.h" 13 #include "components/bookmarks/browser/bookmark_model_observer.h" 14 #include "ui/base/models/combobox_model.h" 15 16 class BookmarkModel; 17 class BookmarkNode; 18 19 // Model for the combobox showing the list of folders to choose from. The 20 // list always contains the Bookmarks Bar, Other Bookmarks and the parent 21 // folder. The list also contains an extra item that shows the text 22 // "Choose Another Folder...". 23 class RecentlyUsedFoldersComboModel : public ui::ComboboxModel, 24 public BookmarkModelObserver { 25 public: 26 RecentlyUsedFoldersComboModel(BookmarkModel* model, const BookmarkNode* node); 27 virtual ~RecentlyUsedFoldersComboModel(); 28 29 // Overridden from ui::ComboboxModel: 30 virtual int GetItemCount() const OVERRIDE; 31 virtual base::string16 GetItemAt(int index) OVERRIDE; 32 virtual bool IsItemSeparatorAt(int index) OVERRIDE; 33 virtual int GetDefaultIndex() const OVERRIDE; 34 virtual void AddObserver(ui::ComboboxModelObserver* observer) OVERRIDE; 35 virtual void RemoveObserver(ui::ComboboxModelObserver* observer) OVERRIDE; 36 37 // Overriden from BookmarkModelObserver: 38 virtual void BookmarkModelLoaded(BookmarkModel* model, 39 bool ids_reassigned) OVERRIDE; 40 virtual void BookmarkModelBeingDeleted(BookmarkModel* model) OVERRIDE; 41 virtual void BookmarkNodeMoved(BookmarkModel* model, 42 const BookmarkNode* old_parent, 43 int old_index, 44 const BookmarkNode* new_parent, 45 int new_index) OVERRIDE; 46 virtual void BookmarkNodeAdded(BookmarkModel* model, 47 const BookmarkNode* parent, 48 int index) OVERRIDE; 49 virtual void OnWillRemoveBookmarks(BookmarkModel* model, 50 const BookmarkNode* parent, 51 int old_index, 52 const BookmarkNode* node) OVERRIDE; 53 virtual void BookmarkNodeRemoved(BookmarkModel* model, 54 const BookmarkNode* parent, 55 int old_index, 56 const BookmarkNode* node, 57 const std::set<GURL>& removed_urls) OVERRIDE; 58 virtual void BookmarkNodeChanged(BookmarkModel* model, 59 const BookmarkNode* node) OVERRIDE; 60 virtual void BookmarkNodeFaviconChanged(BookmarkModel* model, 61 const BookmarkNode* node) OVERRIDE; 62 virtual void BookmarkNodeChildrenReordered( 63 BookmarkModel* model, 64 const BookmarkNode* node) OVERRIDE; 65 virtual void BookmarkAllUserNodesRemoved( 66 BookmarkModel* model, 67 const std::set<GURL>& removed_urls) OVERRIDE; 68 69 // If necessary this function moves |node| into the corresponding folder for 70 // the given |selected_index|. 71 void MaybeChangeParent(const BookmarkNode* node, int selected_index); 72 73 private: 74 // Returns the node at the specified |index|. 75 const BookmarkNode* GetNodeAt(int index); 76 77 // Removes |node| from |items_|. Does nothing if |node| is not in |items_|. 78 void RemoveNode(const BookmarkNode* node); 79 80 struct Item; 81 std::vector<Item> items_; 82 83 BookmarkModel* bookmark_model_; 84 85 // The index of the original parent folder. 86 int node_parent_index_; 87 88 ObserverList<ui::ComboboxModelObserver> observers_; 89 90 DISALLOW_COPY_AND_ASSIGN(RecentlyUsedFoldersComboModel); 91 }; 92 93 #endif // CHROME_BROWSER_UI_BOOKMARKS_RECENTLY_USED_FOLDERS_COMBO_MODEL_H_ 94