Native Cocoa bookmark manager, part 1

chrome/browser/cocoa/bookmark_tree_controller.h

+// Copyright (c) 2009 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.
+
+#import <Cocoa/Cocoa.h>
+#include <vector>
+
+@class BookmarkManagerController;
+class BookmarkModel;
+class BookmarkNode;
+
+
+// Controller for the bookmark tree view (the right pane).
+@interface BookmarkTreeController : NSObject {
+ @private
+  IBOutlet NSOutlineView* outline_;
+  IBOutlet BookmarkManagerController* manager_;
+  id group_;
+  std::vector<const BookmarkNode*> draggedNodes_;
+}
+
+// The top-level bookmark folder used as the root of the outline's tree.
+// Observable, bindable.
+@property (assign) id group;
+// The currently selected item(s) in the outline. (Not observable.)
+@property (retain) NSArray* selectedItems;
+
+// Action for the Delete command; also invoked by the delete key.
+- (IBAction)delete:(id)sender;
+
+// Maps BookmarkNodes to NSOutlineView items. Equivalent to the method on
+// BookmarkManagerController except that it maps the root node to nil.
+- (id)itemFromNode:(const BookmarkNode*)node;
+
+// Maps NSOutlineView items back to BookmarkNodes. Equivalent to the method on
+// BookmarkManagerController except that it maps nil back to the root node.
+- (const BookmarkNode*)nodeFromItem:(id)item;
+
+// Called by the BookmarkManagerController to notify the data model's changed.
+- (void)itemChanged:(id)nodeItem childrenChanged:(BOOL)childrenChanged;
+
+@end
+
+
+// Drag/drop and copy/paste methods
+// (These are implemented in bookmark_tree_controller_paste.mm.)
+@interface BookmarkTreeController (Pasteboard)
+// One-time drag-n-drop setup; called from -awakeFromNib.
+- (void)registerDragTypes;
+- (IBAction)cut:(id)sender;
+- (IBAction)copy:(id)sender;
+- (IBAction)paste:(id)sender;
+@end
+
+
+// Exposed only for unit tests.
+@interface BookmarkTreeController (UnitTesting)
+
+- (BOOL)copyToPasteboard:(NSPasteboard*)pb;
+- (BOOL)pasteFromPasteboard:(NSPasteboard*)pb;
+@property (readonly) NSOutlineView* outline;
+
+@end
+
+
+// Outline view for bookmark tree; handles Cut/Copy/Paste and Delete key.
+@interface BookmarksOutlineView : NSOutlineView
+@end