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      1 // Copyright (c) 2010 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_VIEWS_LOCATION_BAR_SUGGESTED_TEXT_VIEW_H_
      6 #define CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_SUGGESTED_TEXT_VIEW_H_
      7 #pragma once
      8 
      9 #include "ui/base/animation/animation_delegate.h"
     10 #include "views/controls/label.h"
     11 
     12 class AutocompleteEditModel;
     13 
     14 // SuggestedTextView is used to show the suggest text in the LocationBar.
     15 // Invoke |StartAnimation| to start an animation that when done invokes
     16 // |CommitSuggestedText| on the AutocompleteEdit to commit the suggested text.
     17 class SuggestedTextView : public views::Label,
     18                           public ui::AnimationDelegate {
     19  public:
     20   explicit SuggestedTextView(AutocompleteEditModel* edit_model);
     21   virtual ~SuggestedTextView();
     22 
     23   // Starts the animation. If the animation is currently running it is stopped
     24   // and restarted. The animation transitions the suggested text to look like
     25   // selected text. When the animation completes |OnCommitSuggestedText| is
     26   // invoked on the LocationBar.
     27   void StartAnimation();
     28 
     29   // Stops the animation.
     30   void StopAnimation();
     31 
     32   // View overrides:
     33   virtual void OnPaintBackground(gfx::Canvas* canvas);
     34 
     35   // AnimationDelegate overrides:
     36   virtual void AnimationEnded(const ui::Animation* animation);
     37   virtual void AnimationProgressed(const ui::Animation* animation);
     38   virtual void AnimationCanceled(const ui::Animation* animation);
     39 
     40  private:
     41   // Creates the animation to use.
     42   ui::Animation* CreateAnimation();
     43 
     44   // Resets the background color.
     45   void UpdateBackgroundColor();
     46 
     47   AutocompleteEditModel* edit_model_;
     48 
     49   scoped_ptr<ui::Animation> animation_;
     50 
     51   SkColor bg_color_;
     52 
     53   DISALLOW_COPY_AND_ASSIGN(SuggestedTextView);
     54 };
     55 
     56 #endif  // CHROME_BROWSER_UI_VIEWS_LOCATION_BAR_SUGGESTED_TEXT_VIEW_H_
     57