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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 COMPONENTS_OMNIBOX_BROWSER_AUTOCOMPLETE_PROVIDER_CLIENT_H_
#define COMPONENTS_OMNIBOX_BROWSER_AUTOCOMPLETE_PROVIDER_CLIENT_H_
#include <vector>
#include "base/memory/ref_counted.h"
#include "base/strings/string16.h"
#include "components/history/core/browser/keyword_id.h"
#include "components/history/core/browser/top_sites.h"
#include "components/metrics/proto/omnibox_event.pb.h"
#include "components/omnibox/browser/keyword_extensions_delegate.h"
#include "components/omnibox/browser/shortcuts_backend.h"
class AutocompleteController;
struct AutocompleteMatch;
class AutocompleteClassifier;
class AutocompleteSchemeClassifier;
class GURL;
class InMemoryURLIndex;
class KeywordProvider;
class PrefService;
class ShortcutsBackend;
namespace bookmarks {
class BookmarkModel;
}
namespace history {
class HistoryService;
class URLDatabase;
}
namespace net {
class URLRequestContextGetter;
}
class SearchTermsData;
class TemplateURLService;
class AutocompleteProviderClient {
public:
virtual ~AutocompleteProviderClient() {}
virtual net::URLRequestContextGetter* GetRequestContext() = 0;
virtual PrefService* GetPrefs() = 0;
virtual const AutocompleteSchemeClassifier& GetSchemeClassifier() const = 0;
virtual AutocompleteClassifier* GetAutocompleteClassifier() = 0;
virtual history::HistoryService* GetHistoryService() = 0;
virtual scoped_refptr<history::TopSites> GetTopSites() = 0;
virtual bookmarks::BookmarkModel* GetBookmarkModel() = 0;
virtual history::URLDatabase* GetInMemoryDatabase() = 0;
virtual InMemoryURLIndex* GetInMemoryURLIndex() = 0;
virtual TemplateURLService* GetTemplateURLService() = 0;
virtual const TemplateURLService* GetTemplateURLService() const = 0;
virtual const SearchTermsData& GetSearchTermsData() const = 0;
virtual scoped_refptr<ShortcutsBackend> GetShortcutsBackend() = 0;
virtual scoped_refptr<ShortcutsBackend> GetShortcutsBackendIfExists() = 0;
virtual scoped_ptr<KeywordExtensionsDelegate> GetKeywordExtensionsDelegate(
KeywordProvider* keyword_provider) = 0;
// The value to use for Accept-Languages HTTP header when making an HTTP
// request.
virtual std::string GetAcceptLanguages() const = 0;
// The embedder's representation of the |about| URL scheme for builtin URLs
// (e.g., |chrome| for Chrome).
virtual std::string GetEmbedderRepresentationOfAboutScheme() = 0;
// The set of built-in URLs considered worth suggesting as autocomplete
// suggestions to the user. Some built-in URLs, e.g. hidden URLs that
// intentionally crash the product for testing purposes, may be omitted from
// this list if suggesting them is undesirable.
virtual std::vector<base::string16> GetBuiltinURLs() = 0;
// The set of URLs to provide as autocomplete suggestions as the user types a
// prefix of the |about| scheme or the embedder's representation of that
// scheme. Note that this may be a subset of GetBuiltinURLs(), e.g., only the
// most commonly-used URLs from that set.
virtual std::vector<base::string16> GetBuiltinsToProvideAsUserTypes() = 0;
virtual bool IsOffTheRecord() const = 0;
virtual bool SearchSuggestEnabled() const = 0;
virtual bool TabSyncEnabledAndUnencrypted() const = 0;
// Given some string |text| that the user wants to use for navigation,
// determines how it should be interpreted.
virtual void Classify(
const base::string16& text,
bool prefer_keyword,
bool allow_exact_keyword_match,
metrics::OmniboxEventProto::PageClassification page_classification,
AutocompleteMatch* match,
GURL* alternate_nav_url) = 0;
// Deletes all URL and search term entries matching the given |term| and
// |keyword_id| from history.
virtual void DeleteMatchingURLsForKeywordFromHistory(
history::KeywordID keyword_id,
const base::string16& term) = 0;
virtual void PrefetchImage(const GURL& url) = 0;
// Called by |controller| when its results have changed and all providers are
// done processing the autocomplete request. At the //chrome level, this
// callback results in firing the
// NOTIFICATION_AUTOCOMPLETE_CONTROLLER_RESULT_READY notification.
// TODO(blundell): Remove the //chrome-level notification entirely in favor of
// having AutocompleteController expose a CallbackList that //chrome-level
// listeners add themselves to, and then kill this method.
virtual void OnAutocompleteControllerResultReady(
AutocompleteController* controller) {}
// Called after creation of |keyword_provider| to allow the client to
// configure the provider if desired.
virtual void ConfigureKeywordProvider(KeywordProvider* keyword_provider) {}
};
#endif // COMPONENTS_OMNIBOX_BROWSER_AUTOCOMPLETE_PROVIDER_CLIENT_H_
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