Add NetworkStateListDetailedView

ash/system/chromeos/network/network_icon.h

Index: ash/system/chromeos/network/network_icon.h
diff --git a/ash/system/chromeos/network/network_icon.h b/ash/system/chromeos/network/network_icon.h
new file mode 100644
index 0000000000000000000000000000000000000000..02306b100c3ae68b9ec722f3a9c31147844f1450
--- /dev/null
+++ b/ash/system/chromeos/network/network_icon.h
@@ -0,0 +1,47 @@
+// Copyright (c) 2012 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 ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
+#define ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_
+
+#include <string>
+
+#include "ui/gfx/image/image_skia.h"
+
+namespace chromeos {
+class NetworkState;
+}
+
+namespace ash {
+namespace network_icon {
+
+// Observer interface class for animating icons.
+class AnimationObserver {
+ public:
+  // Called when the image has changed due to animation. The callback should
+  // trigger a call to GetImageForNetwork() to retrieve the image.
+  virtual void NetworkIconChanged() = 0;
+
+ protected:
+  virtual ~AnimationObserver() {}
+};
+
+// Color theme based on icon background.
+enum ResourceColorTheme {
+  COLOR_DARK,
+  COLOR_LIGHT,
+};
+
+// Get the image for the network associated with |service_path|.
+// |color| determines the color theme. If the icon is animating (i.e the
+// network is connecting) and |observer| is provided, it will be notified
+// when the icon changes.
+gfx::ImageSkia GetImageForNetwork(const chromeos::NetworkState* network,
+                                  ResourceColorTheme color,
+                                  AnimationObserver* observer);
+
+}  // namespace network_icon
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_CHROMEOS_NETWORK_NETWORK_ICON_H_