Replace network combobox with network dropdown button

chrome/browser/chromeos/status/network_dropdown_button.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/status/network_dropdown_button.h"
+
+#include "app/l10n_util.h"
+#include "app/resource_bundle.h"
+#include "base/utf_string_conversions.h"
+#include "chrome/browser/chromeos/cros/cros_library.h"
+#include "chrome/browser/chromeos/options/network_config_view.h"
+#include "chrome/browser/chromeos/status/status_area_host.h"
+#include "gfx/canvas_skia.h"
+#include "grit/generated_resources.h"
+#include "grit/theme_resources.h"
+#include "views/window/window.h"
+
+namespace chromeos {
+
+////////////////////////////////////////////////////////////////////////////////
+// NetworkDropdownButton
+
+NetworkDropdownButton::NetworkDropdownButton(bool browser_mode,
+                                             gfx::NativeWindow parent_window)
+    : MenuButton(NULL,
+                 l10n_util::GetString(IDS_STATUSBAR_NO_NETWORKS_MESSAGE),
+                 this,
+                 true),
+      browser_mode_(browser_mode),
+      parent_window_(parent_window) {
+  NetworkChanged(CrosLibrary::Get()->GetNetworkLibrary());
+  CrosLibrary::Get()->GetNetworkLibrary()->AddObserver(this);
+}
+
+NetworkDropdownButton::~NetworkDropdownButton() {
+  CrosLibrary::Get()->GetNetworkLibrary()->RemoveObserver(this);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// NetworkDropdownButton, NetworkLibrary::Observer implementation:
+
+void NetworkDropdownButton::NetworkChanged(NetworkLibrary* cros) {
+  // Show network that we will actually use. It could be another network than
+  // user selected. For example user selected WiFi network but we have Ethernet
+  // connection and Chrome OS device will actually use Ethernet.
+
+  ResourceBundle& rb = ResourceBundle::GetSharedInstance();
+  if (CrosLibrary::Get()->EnsureLoaded()) {
+    // Always show the higher priority connection first. Ethernet then wifi.
+    if (cros->ethernet_connected()) {
+      SetIcon(*rb.GetBitmapNamed(IDR_STATUSBAR_WIRED));
+      SetText(l10n_util::GetString(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET));
+    } else if (cros->wifi_connected() || cros->wifi_connecting()) {
+      SetIcon(IconForNetworkStrength(cros->wifi_strength(), true));
+      SetText(ASCIIToWide(cros->wifi_name()));
+    } else if (cros->cellular_connected() || cros->cellular_connecting()) {
+      SetIcon(IconForNetworkStrength(cros->cellular_strength(), false));
+      SetText(ASCIIToWide(cros->cellular_name()));
+    }
+
+    if (!cros->Connected() && !cros->Connecting()) {
+      SetIcon(SkBitmap());
+      SetText(l10n_util::GetString(IDS_NETWORK_SELECTION_NONE));
+    }
+  } else {
+    SetIcon(SkBitmap());
+    SetText(l10n_util::GetString(IDS_STATUSBAR_NO_NETWORKS_MESSAGE));
+  }
+
+  SchedulePaint();
+}
+
+}  // namespace chromeos