SV Test

ash/system/fractional_view/tray_scale.cc

Index: ash/system/fractional_view/tray_scale.cc
diff --git a/ash/system/fractional_view/tray_scale.cc b/ash/system/fractional_view/tray_scale.cc
new file mode 100644
index 0000000000000000000000000000000000000000..777bb2c85234262408e6861ffc8d368cf51fa171
--- /dev/null
+++ b/ash/system/fractional_view/tray_scale.cc
@@ -0,0 +1,64 @@
+// Copyright 2014 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 "ash/system/fractional_view/tray_scale.h"
+
+#include "ash/resources/vector_icons/vector_icons.h"
+#include "ash/root_window_controller.h"
+#include "ash/shell_port.h"
+#include "ash/system/fractional_view/scale_detailed_view.h"
+#include "ash/system/fractional_view/scale_view.h"
+#include "ash/system/tray/system_tray.h"
+#include "ash/system/tray/tray_constants.h"
+#include "ash/wm_window.h"
+#include "ui/display/display.h"
+#include "ui/display/manager/managed_display_info.h"
+#include "ui/display/screen.h"
+#include "ui/views/view.h"
+
+namespace ash {
+
+TrayScale::TrayScale(SystemTray* system_tray)
+    : TrayImageItem(system_tray, kSystemTrayVolumeMuteIcon, UMA_NOT_RECORDED) {
+  display::Screen::GetScreen()->AddObserver(this);
+}
+
+TrayScale::~TrayScale() {
+  display::Screen::GetScreen()->RemoveObserver(this);
+}
+
+views::View* TrayScale::CreateDefaultView(LoginStatus status) {
+  scale_view_ = new tray::ScaleView(this, true);
+  return scale_view_;
+}
+
+views::View* TrayScale::CreateDetailedView(LoginStatus status) {
+  scale_detail_view_ = new tray::ScaleDetailedView(this);
+  return scale_detail_view_;
+}
+
+void TrayScale::DestroyDefaultView() {
+  scale_view_ = nullptr;
+}
+
+void TrayScale::DestroyDetailedView() {
+  scale_detail_view_ = nullptr;
+}
+
+bool TrayScale::ShouldShowShelf() const {
+  return true;
+}
+
+void TrayScale::OnDisplayAdded(const display::Display& new_display) {}
+
+void TrayScale::OnDisplayRemoved(const display::Display& old_display) {}
+
+void TrayScale::OnDisplayMetricsChanged(const display::Display& display,
+                                        uint32_t changed_metrics) {}
+
+bool TrayScale::GetInitialVisibility() {
+  return true;
+}
+
+}  // namespace ash