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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 <deque>
#include <map>
#include <string>
#include "base/basictypes.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:
explicit ErrorMap();
~ErrorMap();
// 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);
// Remove an extension from the ErrorMap, deleting all associated errors.
void Remove(const std::string& extension_id);
// Remove all errors of a given type for an extension.
void RemoveErrorsForExtensionOfType(const std::string& extension_id,
ExtensionError::Type type);
// Remove all incognito errors for all extensions.
void RemoveIncognitoErrors();
// 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 {
public:
explicit ExtensionEntry();
~ExtensionEntry();
// Delete all errors associated with this extension.
void DeleteAllErrors();
// Delete all incognito errors associated with this extension.
void DeleteIncognitoErrors();
// Delete all errors of the given |type| associated with this extension.
void DeleteErrorsOfType(ExtensionError::Type type);
// Add the error to the list, and return a weak reference.
const ExtensionError* AddError(scoped_ptr<ExtensionError> error);
const ErrorList* list() const { return &list_; }
private:
// The list of all errors associated with the extension. The errors are
// owned by the Entry (in turn owned by the ErrorMap) and are deleted upon
// destruction.
ErrorList list_;
DISALLOW_COPY_AND_ASSIGN(ExtensionEntry);
};
typedef std::map<std::string, ExtensionEntry*> EntryMap;
// 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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