1// Copyright 2014 The Chromium Authors. All rights reserved. 2// Use of this source code is governed by a BSD-style license that can be 3// found in the LICENSE file. 4 5#ifndef COMPONENTS_OMNIBOX_AUTOCOMPLETE_SCHEME_CLASSIFIER_H_ 6#define COMPONENTS_OMNIBOX_AUTOCOMPLETE_SCHEME_CLASSIFIER_H_ 7 8#include <string> 9 10#include "components/metrics/proto/omnibox_input_type.pb.h" 11 12// An interface that gives embedders the ability to automatically classify the 13// omnibox input type based on an explicitly-specified schemes. If users type 14// an input with an explicit scheme other than http, https, or file, this class 15// will be used to try and determine whether the input should be treated as a 16// URL (for known schemes we want to handle) or a query (for known schemes that 17// should be blocked), or if the scheme alone isn't sufficient to make a 18// determination. 19class AutocompleteSchemeClassifier { 20 public: 21 virtual ~AutocompleteSchemeClassifier() {} 22 23 // Checks |scheme| and returns the type of the input if the scheme is known 24 // and not blocked. Returns metrics::OmniboxInputType::INVALID if it's unknown 25 // or the classifier implementation cannot handle. 26 virtual metrics::OmniboxInputType::Type GetInputTypeForScheme( 27 const std::string& scheme) const = 0; 28}; 29 30#endif // COMPONENTS_OMNIBOX_AUTOCOMPLETE_SCHEME_CLASSIFIER_H_ 31