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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_POLICY_POLICY_ERROR_MAP_H_
#define CHROME_BROWSER_POLICY_POLICY_ERROR_MAP_H_
#pragma once
#include <map>
#include <string>
#include <vector>
#include "base/basictypes.h"
#include "base/string16.h"
namespace policy {
// Collects error messages and their associated policies.
class PolicyErrorMap {
public:
typedef std::multimap<std::string, string16> PolicyMapType;
typedef PolicyMapType::const_iterator const_iterator;
PolicyErrorMap();
virtual ~PolicyErrorMap();
// Returns true when the errors logged are ready to be retrieved. It is always
// safe to call AddError, but the other methods are only allowed once
// IsReady is true. IsReady will be true once the UI message loop has started.
bool IsReady() const;
// Adds an entry with key |policy| and the error message corresponding to
// |message_id| in grit/generated_resources.h to the map.
void AddError(const std::string& policy, int message_id);
// Adds an entry with key |policy|, subkey |subkey|, and the error message
// corresponding to |message_id| in grit/generated_resources.h to the map.
void AddError(const std::string& policy,
const std::string& subkey,
int message_id);
// Adds an entry with key |policy| and the error message corresponding to
// |message_id| in grit/generated_resources.h to the map and replaces the
// placeholder within the error message with |replacement_string|.
void AddError(const std::string& policy,
int message_id,
const std::string& replacement_string);
// Adds an entry with key |policy|, subkey |subkey| and the error message
// corresponding to |message_id| in grit/generated_resources.h to the map.
// Replaces the placeholder in the error message with |replacement_string|.
void AddError(const std::string& policy,
const std::string& subkey,
int message_id,
const std::string& replacement_string);
// Returns all the error messages stored for |policy|, separated by a white
// space. Returns an empty string if there are no errors for |policy|.
string16 GetErrors(const std::string& policy);
bool empty();
size_t size();
const_iterator begin();
const_iterator end();
void Clear();
private:
struct PendingError;
// Maps the error when ready, otherwise adds it to the pending errors list.
void AddError(const PendingError& error);
// Converts a PendingError into a |map_| entry.
void Convert(const PendingError& error);
// Converts all pending errors to |map_| entries.
void CheckReadyAndConvert();
std::vector<PendingError> pending_;
PolicyMapType map_;
DISALLOW_COPY_AND_ASSIGN(PolicyErrorMap);
};
} // namespace policy
#endif // CHROME_BROWSER_POLICY_POLICY_ERROR_MAP_H_
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