aura: brightness and volume bubble.

chrome/browser/chromeos/brightness_bubble.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/brightness_bubble.h"
 
 #include "base/memory/singleton.h"
 #include "grit/theme_resources.h"
 #include "ui/base/resource/resource_bundle.h"
+#include "views/widget/widget.h"
 
 namespace chromeos {
 
-BrightnessBubble::BrightnessBubble()
-    : SettingLevelBubble(
-          ResourceBundle::GetSharedInstance().GetBitmapNamed(
+views::Widget* BrightnessBubble::widget_ = NULL;
+
+BrightnessBubble::BrightnessBubble() {}
+
+void BrightnessBubble::ShowBubble(double percent, bool enabled) {
+  if (!widget_) {
+    widget_= SettingLevelBubble::ConstructSettingLevelBubble(
+        ResourceBundle::GetSharedInstance().GetBitmapNamed(
+            IDR_BRIGHTNESS_BUBBLE_ICON),
+        ResourceBundle::GetSharedInstance().GetBitmapNamed(
               IDR_BRIGHTNESS_BUBBLE_ICON),
-          ResourceBundle::GetSharedInstance().GetBitmapNamed(
-              IDR_BRIGHTNESS_BUBBLE_ICON),
-          ResourceBundle::GetSharedInstance().GetBitmapNamed(
-              IDR_BRIGHTNESS_BUBBLE_ICON)) {
+        ResourceBundle::GetSharedInstance().GetBitmapNamed(
+            IDR_BRIGHTNESS_BUBBLE_ICON),
+        percent,
+        enabled);
+  } else {
+    static_cast<SettingLevelBubble*>(widget_->widget_delegate())
+        ->UpdateSettingLevelInternal(percent, enabled);

[Daniel Erat, 2011/10/19 17:28:09]

nit: it seems strange to be calling a method named "Internal" from outside of
the class

[alicet1, 2011/10/20 15:03:08]

Done.

+  }
+  widget_->Show();
+  static_cast<SettingLevelBubble*>(widget_->widget_delegate())
+      ->StartHideTimer();
+}
+
+void BrightnessBubble::UpdateWithoutShowingBubble(int level, bool enabled) {
+  if (widget_)
+    static_cast<SettingLevelBubble*>(widget_->widget_delegate())
+        ->UpdateWithoutShowingBubble(level, enabled);
+}
+
+void BrightnessBubble::HideBubble() {
+  if (widget_)
+    widget_->Close();
 }
 
 // static
 BrightnessBubble* BrightnessBubble::GetInstance() {
   return Singleton<BrightnessBubble>::get();
 }
 
 }  // namespace chromeos