chromeos: Improve brightness and volume animations.

chrome/browser/chromeos/setting_level_bubble_view.cc

 // Copyright (c) 2011 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.
 
 #include "chrome/browser/chromeos/setting_level_bubble_view.h"
 
 #include <string>
 
 #include "base/logging.h"
 #include "third_party/skia/include/core/SkBitmap.h"
@@ skipping 14 matching lines @@
 
 }  // namespace
 
 namespace chromeos {
 
 SettingLevelBubbleView::SettingLevelBubbleView()
     : progress_bar_(NULL),
       icon_(NULL) {
 }
 
-void SettingLevelBubbleView::Init(SkBitmap* icon,
-                                  int level_percent,
-                                  bool enabled) {
+void SettingLevelBubbleView::Init(SkBitmap* icon, double level, bool enabled) {
   DCHECK(icon);
-  DCHECK(level_percent >= 0 && level_percent <= 100);
   icon_ = icon;
   progress_bar_ = new views::ProgressBar();
   AddChildView(progress_bar_);
+  progress_bar_->SetDisplayRange(0.0, 100.0);
   progress_bar_->EnableCanvasFlippingForRTLUI(true);
   EnableCanvasFlippingForRTLUI(true);
-  SetLevel(level_percent);
+  SetLevel(level);
   SetEnabled(enabled);
 }
 
 void SettingLevelBubbleView::SetIcon(SkBitmap* icon) {
   DCHECK(icon);
   icon_ = icon;
   SchedulePaint();
 }
 
-void SettingLevelBubbleView::SetLevel(int level_percent) {
-  DCHECK(level_percent >= 0 && level_percent <= 100);
-  progress_bar_->SetProgress(level_percent);
+void SettingLevelBubbleView::SetLevel(double level) {
+  progress_bar_->SetValue(level);
 }
 
 void SettingLevelBubbleView::SetEnabled(bool enabled) {
   progress_bar_->SetEnabled(enabled);
 }
 
 void SettingLevelBubbleView::OnPaint(gfx::Canvas* canvas) {
   views::View::OnPaint(canvas);
   canvas->DrawBitmapInt(*icon_, kPadding, (height() - icon_->height()) / 2);
 }
 
 void SettingLevelBubbleView::Layout() {
   progress_bar_->SetBounds(width() - kPadding - kProgressBarWidth,
                            (height() - kProgressBarHeight) / 2,
                            kProgressBarWidth, kProgressBarHeight);
 }
 
 gfx::Size SettingLevelBubbleView::GetPreferredSize() {
   return gfx::Size(kWidth, kHeight);
 }
 
 }  // namespace chromeos