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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.
#include "components/omnibox/browser/autocomplete_classifier.h"
#include <utility>
#include "base/auto_reset.h"
#include "base/feature_list.h"
#include "build/build_config.h"
#include "components/omnibox/browser/autocomplete_controller.h"
#include "components/omnibox/browser/autocomplete_input.h"
#include "components/omnibox/browser/autocomplete_match.h"
#include "components/omnibox/browser/autocomplete_provider.h"
#include "components/omnibox/browser/document_provider.h"
#include "components/omnibox/browser/omnibox_field_trial.h"
#include "third_party/metrics_proto/omnibox_event.pb.h"
#include "url/gurl.h"
AutocompleteClassifier::AutocompleteClassifier(
std::unique_ptr<AutocompleteController> controller,
std::unique_ptr<AutocompleteSchemeClassifier> scheme_classifier)
: controller_(std::move(controller)),
scheme_classifier_(std::move(scheme_classifier)),
inside_classify_(false) {}
AutocompleteClassifier::~AutocompleteClassifier() {
// We should only reach here after Shutdown() has been called.
DCHECK(!controller_);
}
void AutocompleteClassifier::Shutdown() {
controller_.reset();
}
// static
int AutocompleteClassifier::DefaultOmniboxProviders() {
return
#if !defined(OS_ANDROID) && !defined(OS_IOS)
// Custom search engines cannot be used on mobile.
AutocompleteProvider::TYPE_KEYWORD |
#endif
AutocompleteProvider::TYPE_ZERO_SUGGEST |
(base::FeatureList::IsEnabled(omnibox::kEnableClipboardProvider)
? AutocompleteProvider::TYPE_CLIPBOARD_URL
: 0) |
(base::FeatureList::IsEnabled(omnibox::kDocumentProvider)
? AutocompleteProvider::TYPE_DOCUMENT
: 0) |
AutocompleteProvider::TYPE_BOOKMARK | AutocompleteProvider::TYPE_BUILTIN |
AutocompleteProvider::TYPE_HISTORY_QUICK |
AutocompleteProvider::TYPE_HISTORY_URL |
AutocompleteProvider::TYPE_SEARCH | AutocompleteProvider::TYPE_SHORTCUTS;
}
void AutocompleteClassifier::Classify(
const base::string16& text,
bool prefer_keyword,
bool allow_exact_keyword_match,
metrics::OmniboxEventProto::PageClassification page_classification,
AutocompleteMatch* match,
GURL* alternate_nav_url) {
DCHECK(!inside_classify_);
base::AutoReset<bool> reset(&inside_classify_, true);
AutocompleteInput input(text, page_classification, *scheme_classifier_);
input.set_prevent_inline_autocomplete(true);
input.set_prefer_keyword(prefer_keyword);
input.set_allow_exact_keyword_match(allow_exact_keyword_match);
input.set_want_asynchronous_matches(false);
controller_->Start(input);
DCHECK(controller_->done());
const AutocompleteResult& result = controller_->result();
if (result.empty()) {
if (alternate_nav_url)
*alternate_nav_url = GURL();
return;
}
DCHECK(result.default_match() != result.end());
*match = *result.default_match();
if (alternate_nav_url)
*alternate_nav_url = result.alternate_nav_url();
}
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