Replace animated tab audio indicator with static tab audio indicator.

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/gfx/animation/animation_delegate.h"
-#include "ui/gfx/image/image_skia.h"
-
-namespace gfx {
-class Animation;
-class AnimationContainer;
-class Canvas;
-class LinearAnimation;
-class Rect;
-}
-
-// This class is used to draw an animating tab audio indicator.
-class TabAudioIndicator : public gfx::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(gfx::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 gfx::Animation* animation) OVERRIDE;
-  virtual void AnimationEnded(const gfx::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<gfx::LinearAnimation> animation_;
-  scoped_refptr<gfx::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_