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 <string>
  11
  12 #include "base/compiler_specific.h"
  13 #include "base/strings/string16.h"
  14 #include "third_party/skia/include/core/SkColor.h"
  15 #include "ui/views/view.h"
  16
  17 class GURL;
  18
  19 namespace gfx {
  20 class Rect;
  21 class Size;
  22 }  // namespace gfx
  23
  24 namespace chromeos {
  25
  26 // Returns bounds of the screen to use for login wizard.
  27 // The rect is centered within the default monitor and sized accordingly if
  28 // |size| is not empty. Otherwise the whole monitor is occupied.
  29 gfx::Rect CalculateScreenBounds(const gfx::Size& size);
  30
  31 // Returns the size of user image required for proper display under current DPI.
  32 int GetCurrentUserImageSize();
  33
  34 // Define the constants in |login| namespace to avoid potential
  35 // conflict with other chromeos components.
  36 namespace login {
  37
  38 // Maximum size of user image, in which it should be saved to be properly
  39 // displayed under all possible DPI values.
  40 const int kMaxUserImageSize = 512;
  41
  42 // Returns true if lock/login should scroll user pods into view itself when
  43 // virtual keyboard is shown and disable vk overscroll.
  44 bool LoginScrollIntoViewEnabled();
  45
  46 // A helper class for easily mocking out Network*Handler calls for tests.
  47 class NetworkStateHelper {
  48  public:
  49   NetworkStateHelper();
  50   virtual ~NetworkStateHelper();
  51
  52   // Returns name of the currently connected network.
  53   // If there are no connected networks, returns name of the network
  54   // that is in the "connecting" state. Otherwise empty string is returned.
  55   // If there are multiple connected networks, network priority:
  56   // Ethernet > WiFi > Cellular. Same for connecting network.
  57   virtual base::string16 GetCurrentNetworkName() const;
  58
  59   // Returns true if the default network is in connected state.
  60   virtual bool IsConnected() const;
  61
  62   // Returns true if the default network is in connecting state.
  63   virtual bool IsConnecting() const;
  64
  65  private:
  66   DISALLOW_COPY_AND_ASSIGN(NetworkStateHelper);
  67 };
  68
  69 }  // namespace login
  70
  71 }  // namespace chromeos
  72
  73 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_