Volume bubble added for ChromeOS.

chrome/browser/chromeos/volume_bubble_view.cc

+// Copyright (c) 2010 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/volume_bubble_view.h"
+
+#include <string>
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "gfx/canvas.h"
+#include "grit/theme_resources.h"
+#include "third_party/skia/include/core/SkBitmap.h"
+#include "views/controls/progress_bar.h"
+
+using views::Background;
+using views::View;
+using views::Widget;
+
+namespace {
+
+// Volume bubble metrics.
+const int kWidth = 300, kHeight = 75;
+const int kMargin = 25;
+const int kProgressBarHeight = 20;
+
+}  // namespace
+
+namespace chromeos {
+
+VolumeBubbleView::VolumeBubbleView() : progress_bar_(NULL) {
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  volume_icon_ = rb.GetBitmapNamed(IDR_VOLUMEBUBBLE_ICON);
+}
+
+void VolumeBubbleView::Init(int volume_level_percent) {
+  DCHECK(volume_level_percent >= 0 && volume_level_percent <= 100);
+  progress_bar_ = new views::ProgressBar();
+  AddChildView(progress_bar_);
+  Update(volume_level_percent);
+}
+
+void VolumeBubbleView::Update(int volume_level_percent) {
+  DCHECK(volume_level_percent >= 0 && volume_level_percent <= 100);
+  progress_bar_->SetProgress(volume_level_percent);
+}
+
+void VolumeBubbleView::Paint(gfx::Canvas* canvas) {
+  views::View::Paint(canvas);
+  canvas->DrawBitmapInt(*volume_icon_,
+                        volume_icon_->width(),
+                        (height() - volume_icon_->height()) / 2);
+}
+
+void VolumeBubbleView::Layout() {
+  progress_bar_->SetBounds(volume_icon_->width() + kMargin * 2,
+                           (height() - kProgressBarHeight) / 2,
+                           width() - volume_icon_->width() - kMargin * 3,
+                           kProgressBarHeight);
+}
+
+gfx::Size VolumeBubbleView::GetPreferredSize() {
+  return gfx::Size(kWidth, kHeight);
+}
+
+}  // namespace chromeos