Tab audio indicator tweaks

chrome/browser/ui/tabs/tab_audio_indicator.h

 // Copyright (c) 2013 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_UI_TABS_TAB_AUDIO_INDICATOR_H_
 #define CHROME_BROWSER_UI_TABS_TAB_AUDIO_INDICATOR_H_
 
 #include <vector>
 
 #include "base/compiler_specific.h"
 #include "base/gtest_prod_util.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "ui/base/animation/animation_delegate.h"
+#include "ui/gfx/image/image_skia.h"
 
 namespace gfx {
 class Canvas;
 class Rect;
 }
 namespace ui {
 class Animation;
 class AnimationContainer;
 class LinearAnimation;
 }
 
 // This class is used to draw an animating tab audio indicator.
 class TabAudioIndicator : public ui::AnimationDelegate {
  public:
   class Delegate {
    public:
     virtual void ScheduleAudioIndicatorPaint() = 0;
 
    protected:
     virtual ~Delegate() {}
   };
 
   explicit TabAudioIndicator(Delegate* delegate);
   virtual ~TabAudioIndicator();
 
+  void set_favicon(const gfx::ImageSkia& favicon) { favicon_ = favicon; }
+
   void SetAnimationContainer(ui::AnimationContainer* animation_container);
   void SetIsPlayingAudio(bool is_playing_audio);
   bool IsAnimating();
 
   void Paint(gfx::Canvas* canvas, const gfx::Rect& rect);
 
  private:
   enum State {
     STATE_NOT_ANIMATING,
     STATE_ANIMATING,
     STATE_ANIMATION_ENDING,
   };
 
   FRIEND_TEST_ALL_PREFIXES(TabAudioIndicatorTest, AnimationState);
   FRIEND_TEST_ALL_PREFIXES(TabAudioIndicatorTest, SchedulePaint);
 
   // AnimationDelegate:
   virtual void AnimationProgressed(const ui::Animation* animation) OVERRIDE;
   virtual void AnimationEnded(const ui::Animation* animation) OVERRIDE;
 
   // Gets the equalizer levels for all 3 columns. The values are tweened between
   // the current and target frame.
   std::vector<int> GetCurrentEqualizerLevels() const;
 
   Delegate* delegate_;
   scoped_ptr<ui::LinearAnimation> animation_;
   scoped_refptr<ui::AnimationContainer> animation_container_;
+  gfx::ImageSkia favicon_;
 
   // The equalizer frame that's currently being displayed.
   size_t frame_index_;
 
   // The equalizer levels that were last displayed. This is used to prevent
   // unnecessary drawing when animation progress doesn't result in equalizer
   // levels changing.
   std::vector<int> last_displayed_equalizer_levels_;
 
   State state_;
 
   DISALLOW_COPY_AND_ASSIGN(TabAudioIndicator);
 };
 
 #endif  // CHROME_BROWSER_UI_TABS_TAB_AUDIO_INDICATOR_H_