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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_CONTENT_SETTINGS_CONTENT_SETTINGS_ORIGIN_IDENTIFIER_VALUE_MAP_H_
#define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_ORIGIN_IDENTIFIER_VALUE_MAP_H_
#include <map>
#include <string>
#include "base/memory/linked_ptr.h"
#include "chrome/common/content_settings_pattern.h"
#include "chrome/common/content_settings_types.h"
class GURL;
namespace base {
class Lock;
class Value;
}
namespace content_settings {
class RuleIterator;
class OriginIdentifierValueMap {
public:
typedef std::string ResourceIdentifier;
struct EntryMapKey {
ContentSettingsType content_type;
ResourceIdentifier resource_identifier;
EntryMapKey(ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier);
bool operator<(const OriginIdentifierValueMap::EntryMapKey& other) const;
};
struct PatternPair {
ContentSettingsPattern primary_pattern;
ContentSettingsPattern secondary_pattern;
PatternPair(const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern);
bool operator<(const OriginIdentifierValueMap::PatternPair& other) const;
};
typedef std::map<PatternPair, linked_ptr<base::Value> > Rules;
typedef std::map<EntryMapKey, Rules> EntryMap;
EntryMap::iterator begin() {
return entries_.begin();
}
EntryMap::iterator end() {
return entries_.end();
}
EntryMap::const_iterator begin() const {
return entries_.begin();
}
EntryMap::const_iterator end() const {
return entries_.end();
}
bool empty() const {
return size() == 0u;
}
size_t size() const;
// Returns an iterator for reading the rules for |content_type| and
// |resource_identifier|. The caller takes the ownership of the iterator. It
// is not allowed to call functions of |OriginIdentifierValueMap| (also
// |GetRuleIterator|) before the iterator has been destroyed. If |lock| is
// non-NULL, the returned |RuleIterator| locks it and releases it when it is
// destroyed.
RuleIterator* GetRuleIterator(ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
base::Lock* lock) const;
OriginIdentifierValueMap();
~OriginIdentifierValueMap();
// Returns a weak pointer to the value for the given |primary_pattern|,
// |secondary_pattern|, |content_type|, |resource_identifier| tuple. If
// no value is stored for the passed parameter |NULL| is returned.
base::Value* GetValue(
const GURL& primary_url,
const GURL& secondary_url,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier) const;
// Sets the |value| for the given |primary_pattern|, |secondary_pattern|,
// |content_type|, |resource_identifier| tuple. The method takes the ownership
// of the passed |value|.
void SetValue(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier,
base::Value* value);
// Deletes the map entry for the given |primary_pattern|,
// |secondary_pattern|, |content_type|, |resource_identifier| tuple.
void DeleteValue(
const ContentSettingsPattern& primary_pattern,
const ContentSettingsPattern& secondary_pattern,
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier);
// Deletes all map entries for the given |content_type| and
// |resource_identifier|.
void DeleteValues(
ContentSettingsType content_type,
const ResourceIdentifier& resource_identifier);
// Clears all map entries.
void clear();
private:
EntryMap entries_;
DISALLOW_COPY_AND_ASSIGN(OriginIdentifierValueMap);
};
} // namespace content_settings
#endif // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_ORIGIN_IDENTIFIER_VALUE_MAP_H_
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