Sidebar mini tabs UI (views version)....

views/animation/bounds_animator.h

 // Copyright (c) 2010 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 VIEWS_ANIMATION_BOUNDS_ANIMATOR_H_
 #define VIEWS_ANIMATION_BOUNDS_ANIMATOR_H_
 #pragma once
 
 #include <map>
 
 #include "base/ref_counted.h"
 #include "ui/base/animation/animation_container_observer.h"
 #include "ui/base/animation/animation_delegate.h"
 #include "ui/gfx/rect.h"
 
 namespace ui {
 class SlideAnimation;
 }
 
 namespace views {
 
 class BoundsAnimator;
 class View;
 
 class BoundsAnimatorObserver {
  public:
+  virtual ~BoundsAnimatorObserver() {}
+
+  // Invoked after all the animations have progressed.
+  virtual void OnBoundsAnimatorProgressed(BoundsAnimator* animator) = 0;
+
   // Invoked when all animations are complete.
   virtual void OnBoundsAnimatorDone(BoundsAnimator* animator) = 0;
 };
 
 // Bounds animator is responsible for animating the bounds of a view from the
 // the views current location and size to a target position and size. To use
 // BoundsAnimator invoke AnimateViewTo for the set of views you want to
 // animate.
 //
 // BoundsAnimator internally creates an animation for each view. If you need
 // a specific animation invoke SetAnimationForView after invoking AnimateViewTo.
 // You can attach an AnimationDelegate to the individual animation for a view
 // by way of SetAnimationDelegate. Additionally you can attach an observer to
 // the BoundsAnimator that is notified when all animations are complete.
 class BoundsAnimator : public ui::AnimationDelegate,
                        public ui::AnimationContainerObserver {
  public:
   // If |delete_when_done| is set to true in |SetAnimationDelegate| the
   // |AnimationDelegate| must subclass this class.
   class OwnedAnimationDelegate : public ui::AnimationDelegate {
    public:
     virtual ~OwnedAnimationDelegate() {}
   };
 
   explicit BoundsAnimator(View* view);
-  ~BoundsAnimator();
+  virtual ~BoundsAnimator();
 
   // Starts animating |view| from its current bounds to |target|. If there is
   // already an animation running for the view it's stopped and a new one
   // started. If an AnimationDelegate has been set for |view| it is removed
   // (after being notified that the animation was canceled).
   void AnimateViewTo(View* view, const gfx::Rect& target);
 
   // Sets the animation for the specified view. BoundsAnimator takes ownership
   // of the specified animation.
   void SetAnimationForView(View* view, ui::SlideAnimation* animation);
@@ skipping 110 matching lines @@
   // the timer (AnimationContainerProgressed is invoked) the parent_ is asked
   // to repaint these bounds.
   gfx::Rect repaint_bounds_;
 
   DISALLOW_COPY_AND_ASSIGN(BoundsAnimator);
 };
 
 }  // namespace views
 
 #endif  // VIEWS_ANIMATION_BOUNDS_ANIMATOR_H_