chrome/browser/chromeos/login/helper.h

   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 // This file contains helper functions used by Chromium OS login.
   6
   7 #ifndef CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_
   8 #define CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_
   9
  10 #include "base/compiler_specific.h"
  11 #include "base/strings/string16.h"
  12 #include "third_party/skia/include/core/SkColor.h"
  13 #include "ui/views/view.h"
  14
  15 class GURL;
  16
  17 namespace gfx {
  18 class Rect;
  19 class Size;
  20 }  // namespace gfx
  21
  22 namespace chromeos {
  23
  24 // Returns bounds of the screen to use for login wizard.
  25 // The rect is centered within the default monitor and sized accordingly if
  26 // |size| is not empty. Otherwise the whole monitor is occupied.
  27 gfx::Rect CalculateScreenBounds(const gfx::Size& size);
  28
  29 // Returns the size of user image required for proper display under current DPI.
  30 int GetCurrentUserImageSize();
  31
  32 // Define the constants in |login| namespace to avoid potential
  33 // conflict with other chromeos components.
  34 namespace login {
  35
  36 // Maximum size of user image, in which it should be saved to be properly
  37 // displayed under all possible DPI values.
  38 const int kMaxUserImageSize = 512;
  39
  40 // A helper class for easily mocking out Network*Handler calls for tests.
  41 class NetworkStateHelper {
  42  public:
  43   NetworkStateHelper();
  44   virtual ~NetworkStateHelper();
  45
  46   // Returns name of the currently connected network.
  47   // If there are no connected networks, returns name of the network
  48   // that is in the "connecting" state. Otherwise empty string is returned.
  49   // If there are multiple connected networks, network priority:
  50   // Ethernet > WiFi > Cellular. Same for connecting network.
  51   virtual base::string16 GetCurrentNetworkName() const;
  52
  53   // Returns true if the default network is in connected state.
  54   virtual bool IsConnected() const;
  55
  56   // Returns true if the default network is in connecting state.
  57   virtual bool IsConnecting() const;
  58
  59  private:
  60   DISALLOW_COPY_AND_ASSIGN(NetworkStateHelper);
  61 };
  62
  63 }  // namespace login
  64
  65 }  // namespace chromeos
  66
  67 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_