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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 #ifndef CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
      6 #define CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/scoped_ptr.h"
     11 #include "base/strings/string16.h"
     12 #include "chrome/browser/chromeos/options/cert_library.h"
     13 #include "chrome/browser/chromeos/options/network_config_view.h"
     14 #include "chrome/browser/chromeos/options/network_property_ui_data.h"
     15 #include "chrome/browser/chromeos/options/passphrase_textfield.h"
     16 #include "ui/views/controls/button/button.h"
     17 #include "ui/views/controls/combobox/combobox_listener.h"
     18 #include "ui/views/controls/textfield/textfield_controller.h"
     19 #include "ui/views/view.h"
     20 
     21 namespace base {
     22 class DictionaryValue;
     23 }
     24 
     25 namespace views {
     26 class Checkbox;
     27 class GridLayout;
     28 class Label;
     29 }
     30 
     31 namespace chromeos {
     32 
     33 class NetworkState;
     34 
     35 namespace internal {
     36 class ProviderTypeComboboxModel;
     37 class VpnServerCACertComboboxModel;
     38 class VpnUserCertComboboxModel;
     39 }
     40 
     41 // A dialog box to allow configuration of VPN connection.
     42 class VPNConfigView : public ChildNetworkConfigView,
     43                       public views::TextfieldController,
     44                       public views::ButtonListener,
     45                       public views::ComboboxListener,
     46                       public CertLibrary::Observer {
     47  public:
     48   VPNConfigView(NetworkConfigView* parent, const std::string& service_path);
     49   virtual ~VPNConfigView();
     50 
     51   // views::TextfieldController:
     52   virtual void ContentsChanged(views::Textfield* sender,
     53                                const base::string16& new_contents) OVERRIDE;
     54   virtual bool HandleKeyEvent(views::Textfield* sender,
     55                               const ui::KeyEvent& key_event) OVERRIDE;
     56 
     57   // views::ButtonListener:
     58   virtual void ButtonPressed(views::Button* sender,
     59                              const ui::Event& event) OVERRIDE;
     60 
     61   // views::ComboboxListener:
     62   virtual void OnSelectedIndexChanged(views::Combobox* combobox) OVERRIDE;
     63 
     64   // CertLibrary::Observer:
     65   virtual void OnCertificatesLoaded(bool initial_load) OVERRIDE;
     66 
     67   // ChildNetworkConfigView:
     68   virtual base::string16 GetTitle() const OVERRIDE;
     69   virtual views::View* GetInitiallyFocusedView() OVERRIDE;
     70   virtual bool CanLogin() OVERRIDE;
     71   virtual bool Login() OVERRIDE;
     72   virtual void Cancel() OVERRIDE;
     73   virtual void InitFocus() OVERRIDE;
     74 
     75  private:
     76   // Initializes data members and create UI controls.
     77   void Init();
     78 
     79   // Callback to initialize fields from uncached network properties.
     80   void InitFromProperties(const std::string& service_path,
     81                           const base::DictionaryValue& dictionary);
     82   void ParseUIProperties(const NetworkState* vpn);
     83   void GetPropertiesError(const std::string& error_name,
     84                           scoped_ptr<base::DictionaryValue> error_data);
     85 
     86   // Helper function to set configurable properties.
     87   void SetConfigProperties(base::DictionaryValue* properties);
     88 
     89   // Set and update all control values.
     90   void Refresh();
     91 
     92   // Update various controls.
     93   void UpdateControlsToEnable();
     94   void UpdateControls();
     95   void UpdateErrorLabel();
     96 
     97   // Update state of the Login button.
     98   void UpdateCanLogin();
     99 
    100   // Returns true if there is at least one user certificate installed.
    101   bool HaveUserCerts() const;
    102 
    103   // Returns true if there is a selected user certificate and it is valid.
    104   bool IsUserCertValid() const;
    105 
    106   // Get text from input field.
    107   const std::string GetTextFromField(views::Textfield* textfield,
    108                                      bool trim_whitespace) const;
    109 
    110   // Get passphrase from input field.
    111   const std::string GetPassphraseFromField(
    112       PassphraseTextfield* textfield) const;
    113 
    114   // Convenience methods to get text from input field or cached VirtualNetwork.
    115   const std::string GetService() const;
    116   const std::string GetServer() const;
    117   const std::string GetPSKPassphrase() const;
    118   const std::string GetUsername() const;
    119   const std::string GetUserPassphrase() const;
    120   const std::string GetOTP() const;
    121   const std::string GetGroupName() const;
    122   const std::string GetServerCACertPEM() const;
    123   const std::string GetUserCertID() const;
    124   bool GetSaveCredentials() const;
    125   int GetProviderTypeIndex() const;
    126   std::string GetProviderTypeString() const;
    127 
    128   // Parses a VPN UI |property| from the given |network|. |key| is the property
    129   // name within the type-specific VPN subdictionary named |dict_key|.
    130   void ParseVPNUIProperty(const NetworkState* network,
    131                           const std::string& dict_key,
    132                           const std::string& key,
    133                           NetworkPropertyUIData* property_ui_data);
    134 
    135   base::string16 service_name_from_server_;
    136   bool service_text_modified_;
    137 
    138   // Initialized in Init():
    139 
    140   bool enable_psk_passphrase_;
    141   bool enable_user_cert_;
    142   bool enable_server_ca_cert_;
    143   bool enable_otp_;
    144   bool enable_group_name_;
    145 
    146   NetworkPropertyUIData ca_cert_ui_data_;
    147   NetworkPropertyUIData psk_passphrase_ui_data_;
    148   NetworkPropertyUIData user_cert_ui_data_;
    149   NetworkPropertyUIData username_ui_data_;
    150   NetworkPropertyUIData user_passphrase_ui_data_;
    151   NetworkPropertyUIData group_name_ui_data_;
    152   NetworkPropertyUIData save_credentials_ui_data_;
    153 
    154   int title_;
    155 
    156   views::GridLayout* layout_;
    157   views::Textfield* server_textfield_;
    158   views::Label* service_text_;
    159   views::Textfield* service_textfield_;
    160   scoped_ptr<internal::ProviderTypeComboboxModel> provider_type_combobox_model_;
    161   views::Combobox* provider_type_combobox_;
    162   views::Label* provider_type_text_label_;
    163   views::Label* psk_passphrase_label_;
    164   PassphraseTextfield* psk_passphrase_textfield_;
    165   views::Label* user_cert_label_;
    166   scoped_ptr<internal::VpnUserCertComboboxModel> user_cert_combobox_model_;
    167   views::Combobox* user_cert_combobox_;
    168   views::Label* server_ca_cert_label_;
    169   scoped_ptr<internal::VpnServerCACertComboboxModel>
    170       server_ca_cert_combobox_model_;
    171   views::Combobox* server_ca_cert_combobox_;
    172   views::Textfield* username_textfield_;
    173   PassphraseTextfield* user_passphrase_textfield_;
    174   views::Label* otp_label_;
    175   views::Textfield* otp_textfield_;
    176   views::Label* group_name_label_;
    177   views::Textfield* group_name_textfield_;
    178   views::Checkbox* save_credentials_checkbox_;
    179   views::Label* error_label_;
    180 
    181   // Cached VPN properties, only set when configuring an existing network.
    182   int provider_type_index_;
    183   std::string ca_cert_pem_;
    184   std::string client_cert_id_;
    185 
    186   base::WeakPtrFactory<VPNConfigView> weak_ptr_factory_;
    187 
    188   DISALLOW_COPY_AND_ASSIGN(VPNConfigView);
    189 };
    190 
    191 }  // namespace chromeos
    192 
    193 #endif  // CHROME_BROWSER_CHROMEOS_OPTIONS_VPN_CONFIG_VIEW_H_
    194