Experiment with dislodging the Extension Shelf and having it only appear on t...

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 "app/slide_animation.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 ExtensionShelfModelObserver,
+                       public AnimationDelegate,
+                       public NotificationObserver {
  public:
   explicit ExtensionShelf(Browser* browser);
   virtual ~ExtensionShelf();
 
   // Get the current model.
   ExtensionShelfModel* model() { return model_; }
 
+  // Returns whether the extension shelf is detached from the Chrome frame.
+  bool IsDetachedStyle();
+
+  // Toggles a preference for whether to always show the extension shelf.
+  static void ToggleWhenExtensionShelfVisible(Profile* profile);
+
   // 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 ToolstripChanged(ExtensionShelfModel::iterator toolstrip);
   virtual void ExtensionShelfEmpty();
   virtual void ShelfModelReloaded();
   virtual void ShelfModelDeleting();
 
+  // AnimationDelegate
+  virtual void AnimationProgressed(const Animation* animation);
+  virtual void AnimationEnded(const Animation* animation);
+
+  // NotificationObserver
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details);
+
  protected:
   // View
   virtual void ChildPreferredSizeChanged(View* child);
 
  private:
   class Toolstrip;
   friend class Toolstrip;
   class PlaceholderView;
 
   // Dragging toolstrips
@@ skipping 15 matching lines @@
 
   // 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();
 
+  // Returns whether the extension shelf always shown (checks pref value).
+  bool IsAlwaysShown();
+
+  // Returns whether the extension shelf is being displayed over the new tab
+  // page.
+  bool OnNewTabPage();
+
+  NotificationRegistrar registrar_;
+
   // Background bitmap to draw under extension views.
   SkBitmap background_;
 
+  // The browser this extension shelf belongs to.
+  Browser* browser_;
+
   // The model representing the toolstrips on the shelf.
   ExtensionShelfModel* model_;
 
   // Storage of strings needed for accessibility.
   std::wstring accessible_name_;
 
+  // Animation controlling showing and hiding of the shelf.
+  scoped_ptr<SlideAnimation> size_animation_;
+
   DISALLOW_COPY_AND_ASSIGN(ExtensionShelf);
 };
 
 #endif  // CHROME_BROWSER_VIEWS_EXTENSIONS_EXTENSION_SHELF_H_