mole expand/collapse API

chrome/browser/views/extensions/extension_shelf.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.
 
 #ifndef CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_
 #define CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_
 
 #include "app/gfx/canvas.h"
 #include "base/task.h"
 #include "chrome/browser/extensions/extension_shelf_model.h"
 #include "chrome/browser/extensions/extensions_service.h"
 #include "chrome/browser/views/browser_bubble.h"
 #include "views/view.h"
 
 class Browser;
 namespace views {
   class Label;
   class MouseEvent;
 }
 
 // A shelf that contains Extension toolstrips.
 class ExtensionShelf : public views::View,
                        public ExtensionContainer,
                        public ExtensionShelfModelObserver {
  public:
   explicit ExtensionShelf(Browser* browser);
   virtual ~ExtensionShelf();
 
   // Get the current model.
-  ExtensionShelfModel* model() { return model_.get(); }
+  ExtensionShelfModel* model() { return model_; }
 
   // View
   virtual void Paint(gfx::Canvas* canvas);
   virtual gfx::Size GetPreferredSize();
   virtual void Layout();
   virtual void OnMouseExited(const views::MouseEvent& event);
   virtual void OnMouseEntered(const views::MouseEvent& event);
   virtual bool GetAccessibleName(std::wstring* name);
   virtual bool GetAccessibleRole(AccessibilityTypes::Role* role);
   virtual void SetAccessibleName(const std::wstring& name);
 
   // ExtensionContainer
   virtual void OnExtensionMouseEvent(ExtensionView* view);
   virtual void OnExtensionMouseLeave(ExtensionView* view);
 
   // ExtensionShelfModelObserver
   virtual void ToolstripInsertedAt(ExtensionHost* toolstrip, int index);
   virtual void ToolstripRemovingAt(ExtensionHost* toolstrip, int index);
   virtual void ToolstripDraggingFrom(ExtensionHost* toolstrip, int index);
   virtual void ToolstripMoved(ExtensionHost* toolstrip,
                               int from_index,
                               int to_index);
-  virtual void ToolstripChangedAt(ExtensionHost* toolstrip, int index);
+  virtual void ToolstripChanged(ExtensionShelfModel::iterator toolstrip);
   virtual void ExtensionShelfEmpty();
   virtual void ShelfModelReloaded();
+  virtual void ShelfModelDeleting();
 
  protected:
   // View
   virtual void ChildPreferredSizeChanged(View* child);
 
  private:
   class Toolstrip;
   friend class Toolstrip;
   class PlaceholderView;
 
   // Dragging toolstrips
   void DropExtension(Toolstrip* handle, const gfx::Point& pt, bool cancel);
 
+  // Expand the specified toolstrip, navigating to |url| if non-empty,
+  // and setting the |height|.
+  void ExpandToolstrip(ExtensionHost* host, const GURL& url, int height);
+
+  // Collapse the specified toolstrip, navigating to |url| if non-empty.
+  void CollapseToolstrip(ExtensionHost* host, const GURL& url);
+
   // Inits the background bitmap.
   void InitBackground(gfx::Canvas* canvas, const SkRect& subset);
 
   // Returns the Toolstrip at |x| coordinate.  If |x| is out of bounds, returns
   // NULL.
   Toolstrip* ToolstripAtX(int x);
 
   // Returns the Toolstrip at |index|.
   Toolstrip* ToolstripAtIndex(int index);
 
   // Returns the toolstrip associated with |view|.
   Toolstrip* ToolstripForView(ExtensionView* view);
 
   // Loads initial state from |model_|.
   void LoadFromModel();
 
   // Background bitmap to draw under extension views.
   SkBitmap background_;
 
   // The model representing the toolstrips on the shelf.
-  scoped_ptr<ExtensionShelfModel> model_;
+  ExtensionShelfModel* model_;
 
   // Storage of strings needed for accessibility.
   std::wstring accessible_name_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionShelf);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_