helper.cc revision 6e8cce623b6e4fe0c9e4af605d675dd9d0338c38 
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
21namespace chromeos {
22
23gfx::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
33int 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
43namespace login {
44
45bool LoginScrollIntoViewEnabled() {
46  return !CommandLine::ForCurrentProcess()->HasSwitch(
47      chromeos::switches::kDisableLoginScrollIntoView);
48}
49
50NetworkStateHelper::NetworkStateHelper() {}
51NetworkStateHelper::~NetworkStateHelper() {}
52
53base::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
72bool 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
79bool 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
89