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// 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_UI_WEBUI_POLICY_UI_H_
#define CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/string16.h"
#include "base/values.h"
#include "chrome/browser/policy/policy_map.h"
#include "chrome/browser/policy/policy_service.h"
#include "content/public/browser/web_ui_controller.h"
#include "content/public/browser/web_ui_message_handler.h"
#include "policy/policy_constants.h"
class CloudPolicyStatusProvider;
// The base class handler of Javascript messages of the about:policy page.
class PolicyUIHandler : public content::WebUIMessageHandler,
public policy::PolicyService::Observer {
public:
// Keys expected in a DictionaryValue representing the status of a policy.
// Public for testing.
static const char kLevel[];
static const char kName[];
static const char kScope[];
static const char kSet[];
static const char kStatus[];
static const char kValue[];
PolicyUIHandler();
virtual ~PolicyUIHandler();
// WebUIMessageHandler implementation.
virtual void RegisterMessages() OVERRIDE;
// policy::PolicyService::Observer implementation.
virtual void OnPolicyUpdated(const policy::PolicyNamespace& ns,
const policy::PolicyMap& previous,
const policy::PolicyMap& current) OVERRIDE;
// Returns a ListValue pointer containing the status information of all
// policies defined in |policies|. |any_policies_set| is set to true if
// there are policies in the list that were valid, otherwise it's false.
static scoped_ptr<base::ListValue> GetPolicyStatusList(
const policy::PolicyMap& policies,
bool* any_policies_set);
private:
// Callback for the "requestData" message. The parameter |args| is unused.
void HandleRequestData(const base::ListValue* args);
// Callback for the "fetchPolicy" message. The parameter |args| is unused.
void HandleFetchPolicy(const base::ListValue* args);
// Callback for completion of a RefreshPolicies call.
void OnRefreshDone();
// Sends policy data to UI.
void SendDataToUI();
// Returns the policy service to use.
policy::PolicyService* GetPolicyService();
// Returns a DictionaryValue pointer containing information about the status
// of the policy system. The caller acquires ownership of the returned
// DictionaryValue pointer.
base::DictionaryValue* GetStatusData();
// Used to post a callback to RefreshPolicies with a WeakPtr to |this|.
base::WeakPtrFactory<PolicyUIHandler> weak_factory_;
// Providers that supply status dictionaries for user and device policy,
// respectively. These are created on initialization time as appropriate for
// the platform (Chrome OS / desktop) and type of policy that is in effect.
scoped_ptr<CloudPolicyStatusProvider> user_status_provider_;
scoped_ptr<CloudPolicyStatusProvider> device_status_provider_;
// The domain the device is enrolled to, if applicable.
string16 enterprise_domain_;
DISALLOW_COPY_AND_ASSIGN(PolicyUIHandler);
};
// The Web UI handler for about:policy.
class PolicyUI : public content::WebUIController {
public:
explicit PolicyUI(content::WebUI* web_ui);
virtual ~PolicyUI();
private:
DISALLOW_COPY_AND_ASSIGN(PolicyUI);
};
#endif // CHROME_BROWSER_UI_WEBUI_POLICY_UI_H_
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