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      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/browser/chromeos/login/users/user_manager.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 "google_apis/gaia/gaia_auth_util.h"
     16 #include "grit/generated_resources.h"
     17 #include "grit/theme_resources.h"
     18 #include "third_party/cros_system_api/dbus/service_constants.h"
     19 #include "ui/base/l10n/l10n_util.h"
     20 #include "ui/base/resource/resource_bundle.h"
     21 #include "ui/gfx/image/image_skia.h"
     22 #include "ui/gfx/screen.h"
     23 
     24 namespace chromeos {
     25 
     26 gfx::Rect CalculateScreenBounds(const gfx::Size& size) {
     27   gfx::Rect bounds(ash::Shell::GetScreen()->GetPrimaryDisplay().bounds());
     28   if (!size.IsEmpty()) {
     29     int horizontal_diff = bounds.width() - size.width();
     30     int vertical_diff = bounds.height() - size.height();
     31     bounds.Inset(horizontal_diff / 2, vertical_diff / 2);
     32   }
     33   return bounds;
     34 }
     35 
     36 int GetCurrentUserImageSize() {
     37   // The biggest size that the profile picture is displayed at is currently
     38   // 220px, used for the big preview on OOBE and Change Picture options page.
     39   static const int kBaseUserImageSize = 220;
     40   float scale_factor = gfx::Display::GetForcedDeviceScaleFactor();
     41   if (scale_factor > 1.0f)
     42     return static_cast<int>(scale_factor * kBaseUserImageSize);
     43   return kBaseUserImageSize * gfx::ImageSkia::GetMaxSupportedScale();
     44 }
     45 
     46 namespace login {
     47 
     48 std::string CanonicalizeUserID(const std::string& user_id) {
     49   if (user_id == UserManager::kGuestUserName)
     50     return user_id;
     51   return gaia::CanonicalizeEmail(user_id);
     52 }
     53 
     54 bool LoginScrollIntoViewEnabled() {
     55   return !CommandLine::ForCurrentProcess()->HasSwitch(
     56       chromeos::switches::kDisableLoginScrollIntoView);
     57 }
     58 
     59 NetworkStateHelper::NetworkStateHelper() {}
     60 NetworkStateHelper::~NetworkStateHelper() {}
     61 
     62 base::string16 NetworkStateHelper::GetCurrentNetworkName() const {
     63   NetworkStateHandler* nsh = NetworkHandler::Get()->network_state_handler();
     64   const NetworkState* network =
     65       nsh->ConnectedNetworkByType(NetworkTypePattern::NonVirtual());
     66   if (network) {
     67     if (network->Matches(NetworkTypePattern::Ethernet()))
     68       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
     69     return base::UTF8ToUTF16(network->name());
     70   }
     71 
     72   network = nsh->ConnectingNetworkByType(NetworkTypePattern::NonVirtual());
     73   if (network) {
     74     if (network->Matches(NetworkTypePattern::Ethernet()))
     75       return l10n_util::GetStringUTF16(IDS_STATUSBAR_NETWORK_DEVICE_ETHERNET);
     76     return base::UTF8ToUTF16(network->name());
     77   }
     78   return base::string16();
     79 }
     80 
     81 bool NetworkStateHelper::IsConnected() const {
     82   chromeos::NetworkStateHandler* nsh =
     83       chromeos::NetworkHandler::Get()->network_state_handler();
     84   return nsh->ConnectedNetworkByType(chromeos::NetworkTypePattern::Default()) !=
     85          NULL;
     86 }
     87 
     88 bool NetworkStateHelper::IsConnecting() const {
     89   chromeos::NetworkStateHandler* nsh =
     90       chromeos::NetworkHandler::Get()->network_state_handler();
     91   return nsh->ConnectingNetworkByType(
     92       chromeos::NetworkTypePattern::Default()) != NULL;
     93 }
     94 
     95 }  // namespace login
     96 
     97 }  // namespace chromeos
     98