src/chrome/browser/chromeos/login/helper.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/chromeos/login/helper.h"
   6
   7 #include "ash/shell.h"
   8 #include "base/command_line.h"
   9 #include "base/strings/utf_string_conversions.h"
  10 #include "chrome/grit/generated_resources.h"
  11 #include "chrome/grit/theme_resources.h"
  12 #include "chromeos/chromeos_switches.h"
  13 #include "chromeos/network/network_handler.h"
  14 #include "chromeos/network/network_state.h"
  15 #include "chromeos/network/network_state_handler.h"
  16 #include "third_party/cros_system_api/dbus/service_constants.h"
  17 #include "ui/base/l10n/l10n_util.h"
  18 #include "ui/gfx/image/image_skia.h"
  19 #include "ui/gfx/screen.h"
  20
  21 namespace chromeos {
  22
  23 gfx::Rect CalculateScreenBounds(const gfx::Size& size) {
  24   gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
  25   if (!size.IsEmpty()) {
  26     int horizontal_diff = bounds.width() - size.width();
  27     int vertical_diff = bounds.height() - size.height();
  28     bounds.Inset(horizontal_diff / 2, vertical_diff / 2);
  29   }
  30   return bounds;
  31 }
  32
  33 int GetCurrentUserImageSize() {
  34   // The biggest size that the profile picture is displayed at is currently
  35   // 220px, used for the big preview on OOBE and Change Picture options page.
  36   static const int kBaseUserImageSize = 220;
  37   float scale_factor = gfx::Display::GetForcedDeviceScaleFactor();
  38   if (scale_factor > 1.0f)
  39     return static_cast<int>(scale_factor * kBaseUserImageSize);
  40   return kBaseUserImageSize * gfx::ImageSkia::GetMaxSupportedScale();
  41 }
  42
  43 namespace login {
  44
  45 bool LoginScrollIntoViewEnabled() {
  46   return !CommandLine::ForCurrentProcess()->HasSwitch(
  47       chromeos::switches::kDisableLoginScrollIntoView);
  48 }
  49
  50 NetworkStateHelper::NetworkStateHelper() {}
  51 NetworkStateHelper::~NetworkStateHelper() {}
  52
  53 base::string16 NetworkStateHelper::GetCurrentNetworkName() const {
  54   NetworkStateHandler* nsh = NetworkHandler::Get()->network_state_handler();
  55   const NetworkState* network =
  56       nsh->ConnectedNetworkByType(NetworkTypePattern::NonVirtual());
  57   if (network) {
  58     if (network->Matches(NetworkTypePattern::Ethernet()))
  59       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
  60     return base::UTF8ToUTF16(network->name());
  61   }
  62
  63   network = nsh->ConnectingNetworkByType(NetworkTypePattern::NonVirtual());
  64   if (network) {
  65     if (network->Matches(NetworkTypePattern::Ethernet()))
  66       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
  67     return base::UTF8ToUTF16(network->name());
  68   }
  69   return base::string16();
  70 }
  71
  72 bool NetworkStateHelper::IsConnected() const {
  73   chromeos::NetworkStateHandler* nsh =
  74       chromeos::NetworkHandler::Get()->network_state_handler();
  75   return nsh->ConnectedNetworkByType(chromeos::NetworkTypePattern::Default()) !=
  76          NULL;
  77 }
  78
  79 bool NetworkStateHelper::IsConnecting() const {
  80   chromeos::NetworkStateHandler* nsh =
  81       chromeos::NetworkHandler::Get()->network_state_handler();
  82   return nsh->ConnectingNetworkByType(
  83       chromeos::NetworkTypePattern::Default()) != NULL;
  84 }
  85
  86 }  // namespace login
  87
  88 }  // namespace chromeos