text: // Copyright (c) 2012 The Chromium Authors. All rights reserved.
  // Use of this source code is governed by a BSD-style license that can be
  // found in the LICENSE file.
  
  #ifndef CHROME_BROWSER_CHROMEOS_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
  #define CHROME_BROWSER_CHROMEOS_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
  
  #include "base/basictypes.h"
  #include "base/compiler_specific.h"
  #include "chrome/browser/extensions/policy_handlers.h"
  #include "chromeos/network/network_ui_data.h"
  #include "components/onc/onc_constants.h"
  #include "components/policy/core/browser/configuration_policy_handler.h"
  
  namespace base {
  class DictionaryValue;
  class Value;
  }
  
  namespace policy {
  
  class Schema;
  
  // ConfigurationPolicyHandler for policies referencing external data.
  class ExternalDataPolicyHandler : public TypeCheckingPolicyHandler {
   public:
    explicit ExternalDataPolicyHandler(const char* policy_name);
    virtual ~ExternalDataPolicyHandler();
  
    // TypeCheckingPolicyHandler:
    virtual bool CheckPolicySettings(const PolicyMap& policies,
                                     PolicyErrorMap* errors) OVERRIDE;
  
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(ExternalDataPolicyHandler);
  };
  
  // ConfigurationPolicyHandler for validation of the network configuration
  // policies. These actually don't set any preferences, but the handler just
  // generates error messages.
  class NetworkConfigurationPolicyHandler : public TypeCheckingPolicyHandler {
   public:
    static NetworkConfigurationPolicyHandler* CreateForUserPolicy();
    static NetworkConfigurationPolicyHandler* CreateForDevicePolicy();
  
    virtual ~NetworkConfigurationPolicyHandler();
  
    // ConfigurationPolicyHandler methods:
    virtual bool CheckPolicySettings(const PolicyMap& policies,
                                     PolicyErrorMap* errors) OVERRIDE;
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
    virtual void PrepareForDisplaying(PolicyMap* policies) const OVERRIDE;
  
   private:
    explicit NetworkConfigurationPolicyHandler(
        const char* policy_name,
        ::onc::ONCSource onc_source,
        const char* pref_path);
  
    // Takes network policy in Value representation and produces an output Value
    // that contains a pretty-printed and sanitized version. In particular, we
    // remove any Passphrases that may be contained in the JSON. Ownership of the
    // return value is transferred to the caller.
    static base::Value* SanitizeNetworkConfig(const base::Value* config);
  
    // The kind of ONC source that this handler represents. ONCSource
    // distinguishes between user and device policy.
    const ::onc::ONCSource onc_source_;
  
    // The name of the pref to apply the policy to.
    const char* pref_path_;
  
    DISALLOW_COPY_AND_ASSIGN(NetworkConfigurationPolicyHandler);
  };
  
  // Maps the PinnedLauncherApps policy to the corresponding pref.
  class PinnedLauncherAppsPolicyHandler
      : public extensions::ExtensionListPolicyHandler {
   public:
    PinnedLauncherAppsPolicyHandler();
    virtual ~PinnedLauncherAppsPolicyHandler();
  
    // ExtensionListPolicyHandler methods:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(PinnedLauncherAppsPolicyHandler);
  };
  
  class ScreenMagnifierPolicyHandler : public IntRangePolicyHandlerBase {
   public:
    ScreenMagnifierPolicyHandler();
    virtual ~ScreenMagnifierPolicyHandler();
  
    // IntRangePolicyHandlerBase:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(ScreenMagnifierPolicyHandler);
  };
  
  // Policy handler for login screen power management settings. This does not
  // actually set any prefs, it just checks whether the settings are valid and
  // generates errors if appropriate.
  class LoginScreenPowerManagementPolicyHandler
      : public SchemaValidatingPolicyHandler {
   public:
    explicit LoginScreenPowerManagementPolicyHandler(const Schema& chrome_schema);
    virtual ~LoginScreenPowerManagementPolicyHandler();
  
    // SchemaValidatingPolicyHandler:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(LoginScreenPowerManagementPolicyHandler);
  };
  
  // Handles the deprecated IdleAction policy, so both kIdleActionBattery and
  // kIdleActionAC fall back to the deprecated action.
  class DeprecatedIdleActionHandler : public IntRangePolicyHandlerBase {
   public:
    DeprecatedIdleActionHandler();
    virtual ~DeprecatedIdleActionHandler();
  
    // ConfigurationPolicyHandler methods:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(DeprecatedIdleActionHandler);
  };
  
  class PowerManagementIdleSettingsPolicyHandler
      : public SchemaValidatingPolicyHandler {
   public:
    explicit PowerManagementIdleSettingsPolicyHandler(
        const Schema& chrome_schema);
    virtual ~PowerManagementIdleSettingsPolicyHandler();
  
    // SchemaValidatingPolicyHandler:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(PowerManagementIdleSettingsPolicyHandler);
  };
  
  class ScreenLockDelayPolicyHandler : public SchemaValidatingPolicyHandler {
   public:
    explicit ScreenLockDelayPolicyHandler(const Schema& chrome_schema);
    virtual ~ScreenLockDelayPolicyHandler();
  
    // SchemaValidatingPolicyHandler:
    virtual void ApplyPolicySettings(const PolicyMap& policies,
                                     PrefValueMap* prefs) OVERRIDE;
  
   private:
    DISALLOW_COPY_AND_ASSIGN(ScreenLockDelayPolicyHandler);
  };
  
  }  // namespace policy
  
  #endif  // CHROME_BROWSER_CHROMEOS_POLICY_CONFIGURATION_POLICY_HANDLER_CHROMEOS_H_
  