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 content {
  25 class StoragePartition;
  26 }
  27
  28 namespace net {
  29 class URLRequestContextGetter;
  30 }
  31
  32 namespace chromeos {
  33
  34 // Returns bounds of the screen to use for login wizard.
  35 // The rect is centered within the default monitor and sized accordingly if
  36 // |size| is not empty. Otherwise the whole monitor is occupied.
  37 gfx::Rect CalculateScreenBounds(const gfx::Size& size);
  38
  39 // Returns the size of user image required for proper display under current DPI.
  40 int GetCurrentUserImageSize();
  41
  42 // Define the constants in |login| namespace to avoid potential
  43 // conflict with other chromeos components.
  44 namespace login {
  45
  46 // Maximum size of user image, in which it should be saved to be properly
  47 // displayed under all possible DPI values.
  48 const int kMaxUserImageSize = 512;
  49
  50 // Returns true if lock/login should scroll user pods into view itself when
  51 // virtual keyboard is shown and disable vk overscroll.
  52 bool LoginScrollIntoViewEnabled();
  53
  54 // A helper class for easily mocking out Network*Handler calls for tests.
  55 class NetworkStateHelper {
  56  public:
  57   NetworkStateHelper();
  58   virtual ~NetworkStateHelper();
  59
  60   // Returns name of the currently connected network.
  61   // If there are no connected networks, returns name of the network
  62   // that is in the "connecting" state. Otherwise empty string is returned.
  63   // If there are multiple connected networks, network priority:
  64   // Ethernet > WiFi > Cellular. Same for connecting network.
  65   virtual base::string16 GetCurrentNetworkName() const;
  66
  67   // Add a network configuration.
  68   virtual void CreateNetworkFromOnc(const std::string& onc_spec) const;
  69
  70   // Returns true if the default network is in connected state.
  71   virtual bool IsConnected() const;
  72
  73   // Returns true if the default network is in connecting state.
  74   virtual bool IsConnecting() const;
  75
  76  private:
  77   void OnCreateConfiguration(const std::string& service_path) const;
  78   void OnCreateConfigurationFailed(
  79       const std::string& error_name,
  80       scoped_ptr<base::DictionaryValue> error_data) const;
  81
  82   DISALLOW_COPY_AND_ASSIGN(NetworkStateHelper);
  83 };
  84
  85 //
  86 // Webview based login helpers.
  87 //
  88
  89 // Returns the storage partition for the sign-in webview. Note the function gets
  90 // the partition via the sign-in WebContents thus returns nullptr if the sign-in
  91 // webui is torn down.
  92 content::StoragePartition* GetSigninPartition();
  93
  94 // Returns the request context that contains sign-in cookies. For old iframe
  95 // based flow, the context of the sign-in profile is returned. For webview based
  96 // flow, the context of the sign-in webview storage partition is returned.
  97 net::URLRequestContextGetter* GetSigninContext();
  98
  99 }  // namespace login
 100
 101 }  // namespace chromeos
 102
 103 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_HELPER_H_