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// Copyright 2014 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 EXTENSIONS_BROWSER_ERROR_MAP_H_
#define EXTENSIONS_BROWSER_ERROR_MAP_H_
#include <stddef.h>
#include <deque>
#include <map>
#include <set>
#include <string>
#include "base/macros.h"
#include "base/memory/scoped_ptr.h"
#include "extensions/browser/extension_error.h"
namespace extensions {
typedef std::deque<const ExtensionError*> ErrorList;
// An ErrorMap is responsible for storing Extension-related errors, keyed by
// Extension ID. The errors are owned by the ErrorMap, and are deleted upon
// destruction.
class ErrorMap {
public:
ErrorMap();
~ErrorMap();
struct Filter {
Filter(const std::string& restrict_to_extension_id,
int restrict_to_type,
const std::set<int>& restrict_to_ids,
bool restrict_to_incognito);
Filter(const Filter& other);
~Filter();
// Convenience methods to get a specific type of filter. Prefer these over
// the constructor when possible.
static Filter ErrorsForExtension(const std::string& extension_id);
static Filter ErrorsForExtensionWithType(const std::string& extension_id,
ExtensionError::Type type);
static Filter ErrorsForExtensionWithIds(const std::string& extension_id,
const std::set<int>& ids);
static Filter ErrorsForExtensionWithTypeAndIds(
const std::string& extension_id,
ExtensionError::Type type,
const std::set<int>& ids);
static Filter IncognitoErrors();
bool Matches(const ExtensionError* error) const;
const std::string restrict_to_extension_id;
const int restrict_to_type;
const std::set<int> restrict_to_ids;
const bool restrict_to_incognito;
};
// Return the list of all errors associated with the given extension.
const ErrorList& GetErrorsForExtension(const std::string& extension_id) const;
// Add the |error| to the ErrorMap.
const ExtensionError* AddError(scoped_ptr<ExtensionError> error);
// Removes errors that match the given |filter| from the map. If non-null,
// |affected_ids| will be populated with the set of extension ids that were
// affected by this removal.
void RemoveErrors(const Filter& filter, std::set<std::string>* affected_ids);
// Remove all errors for all extensions, and clear the map.
void RemoveAllErrors();
size_t size() const { return map_.size(); }
private:
// An Entry is created for each Extension ID, and stores the errors related to
// that Extension.
class ExtensionEntry;
using EntryMap = std::map<std::string, ExtensionEntry*>;
// The mapping between Extension IDs and their corresponding Entries.
EntryMap map_;
DISALLOW_COPY_AND_ASSIGN(ErrorMap);
};
} // namespace extensions
#endif // EXTENSIONS_BROWSER_ERROR_MAP_H_
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