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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_SEARCH_ENGINES_SEARCH_HOST_TO_URLS_MAP_H_
#define CHROME_BROWSER_SEARCH_ENGINES_SEARCH_HOST_TO_URLS_MAP_H_
#include <map>
#include <set>
#include <string>
#include "base/basictypes.h"
#include "chrome/browser/search_engines/template_url_service.h"
// Holds the host to template url mappings for the search providers. WARNING:
// This class does not own any TemplateURLs passed to it and it is up to the
// caller to ensure the right lifetime of them.
class SearchHostToURLsMap {
public:
typedef std::set<TemplateURL*> TemplateURLSet;
SearchHostToURLsMap();
~SearchHostToURLsMap();
// Initializes the map.
void Init(const TemplateURLService::TemplateURLVector& template_urls,
const SearchTermsData& search_terms_data);
// Adds a new TemplateURL to the map. Since |template_url| is owned
// externally, Remove or RemoveAll should be called if it becomes invalid.
void Add(TemplateURL* template_url,
const SearchTermsData& search_terms_data);
// Removes the TemplateURL from the lookup.
void Remove(TemplateURL* template_url,
const SearchTermsData& search_terms_data);
// Returns the first TemplateURL found with a URL using the specified |host|,
// or NULL if there are no such TemplateURLs
TemplateURL* GetTemplateURLForHost(const std::string& host);
// Return the TemplateURLSet for the given the |host| or NULL if there are
// none.
TemplateURLSet* GetURLsForHost(const std::string& host);
private:
friend class SearchHostToURLsMapTest;
typedef std::map<std::string, TemplateURLSet> HostToURLsMap;
// Adds many URLs to the map.
void Add(const TemplateURLService::TemplateURLVector& template_urls,
const SearchTermsData& search_terms_data);
// Removes the given template_url using only the pointer instead of the value.
// This is useful when the value may have changed before being updated in the
// map. (Specifically when the GoogleBaseURLValue changes.)
void RemoveByPointer(TemplateURL* template_url);
// Maps from host to set of TemplateURLs whose search url host is host.
HostToURLsMap host_to_urls_map_;
// The security origin for the default search provider.
std::string default_search_origin_;
// Has Init been called?
bool initialized_;
DISALLOW_COPY_AND_ASSIGN(SearchHostToURLsMap);
};
#endif // CHROME_BROWSER_SEARCH_ENGINES_SEARCH_HOST_TO_URLS_MAP_H_
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