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 "chromeos/chromeos_switches.h"
  12 #include "chromeos/network/network_handler.h"
  13 #include "chromeos/network/network_state.h"
  14 #include "chromeos/network/network_state_handler.h"
  15 #include "third_party/cros_system_api/dbus/service_constants.h"
  16 #include "ui/base/l10n/l10n_util.h"
  17 #include "ui/gfx/image/image_skia.h"
  18 #include "ui/gfx/screen.h"
  19
  20 namespace chromeos {
  21
  22 gfx::Rect CalculateScreenBounds(const gfx::Size& size) {
  23   gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
  24   if (!size.IsEmpty()) {
  25     int horizontal_diff = bounds.width() - size.width();
  26     int vertical_diff = bounds.height() - size.height();
  27     bounds.Inset(horizontal_diff / 2, vertical_diff / 2);
  28   }
  29   return bounds;
  30 }
  31
  32 int GetCurrentUserImageSize() {
  33   // The biggest size that the profile picture is displayed at is currently
  34   // 220px, used for the big preview on OOBE and Change Picture options page.
  35   static const int kBaseUserImageSize = 220;
  36   float scale_factor = gfx::Display::GetForcedDeviceScaleFactor();
  37   if (scale_factor > 1.0f)
  38     return static_cast<int>(scale_factor * kBaseUserImageSize);
  39   return kBaseUserImageSize * gfx::ImageSkia::GetMaxSupportedScale();
  40 }
  41
  42 namespace login {
  43
  44 bool LoginScrollIntoViewEnabled() {
  45 #if defined(USE_ATHENA)
  46   // TODO(nkostylev): temporary always enable overscroll mode for Athena,
  47   // later we will need special API in Blink to specify which element need to
  48   // be centered when virtual keyboard shown, crbug.com/411879
  49   return false;
  50 #else
  51   return !CommandLine::ForCurrentProcess()->HasSwitch(
  52       chromeos::switches::kDisableLoginScrollIntoView);
  53 #endif
  54 }
  55
  56 NetworkStateHelper::NetworkStateHelper() {}
  57 NetworkStateHelper::~NetworkStateHelper() {}
  58
  59 base::string16 NetworkStateHelper::GetCurrentNetworkName() const {
  60   NetworkStateHandler* nsh = NetworkHandler::Get()->network_state_handler();
  61   const NetworkState* network =
  62       nsh->ConnectedNetworkByType(NetworkTypePattern::NonVirtual());
  63   if (network) {
  64     if (network->Matches(NetworkTypePattern::Ethernet()))
  65       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
  66     return base::UTF8ToUTF16(network->name());
  67   }
  68
  69   network = nsh->ConnectingNetworkByType(NetworkTypePattern::NonVirtual());
  70   if (network) {
  71     if (network->Matches(NetworkTypePattern::Ethernet()))
  72       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
  73     return base::UTF8ToUTF16(network->name());
  74   }
  75   return base::string16();
  76 }
  77
  78 bool NetworkStateHelper::IsConnected() const {
  79   chromeos::NetworkStateHandler* nsh =
  80       chromeos::NetworkHandler::Get()->network_state_handler();
  81   return nsh->ConnectedNetworkByType(chromeos::NetworkTypePattern::Default()) !=
  82          NULL;
  83 }
  84
  85 bool NetworkStateHelper::IsConnecting() const {
  86   chromeos::NetworkStateHandler* nsh =
  87       chromeos::NetworkHandler::Get()->network_state_handler();
  88   return nsh->ConnectingNetworkByType(
  89       chromeos::NetworkTypePattern::Default()) != NULL;
  90 }
  91
  92 }  // namespace login
  93
  94 }  // namespace chromeos