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// Copyright 2013 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 "chrome/browser/ui/app_list/search/omnibox_provider.h"
#include "chrome/browser/autocomplete/autocomplete_classifier.h"
#include "chrome/browser/autocomplete/autocomplete_controller.h"
#include "chrome/browser/autocomplete/autocomplete_input.h"
#include "chrome/browser/autocomplete/autocomplete_match.h"
#include "chrome/browser/autocomplete/search_provider.h"
#include "chrome/browser/ui/app_list/search/chrome_search_result.h"
#include "chrome/browser/ui/browser_navigator.h"
#include "grit/theme_resources.h"
#include "ui/base/resource/resource_bundle.h"
namespace app_list {
namespace {
int ACMatchStyleToTagStyle(int styles) {
int tag_styles = 0;
if (styles & ACMatchClassification::URL)
tag_styles |= SearchResult::Tag::URL;
if (styles & ACMatchClassification::MATCH)
tag_styles |= SearchResult::Tag::MATCH;
if (styles & ACMatchClassification::DIM)
tag_styles |= SearchResult::Tag::DIM;
return tag_styles;
}
// Translates ACMatchClassifications into SearchResult tags.
void ACMatchClassificationsToTags(
const base::string16& text,
const ACMatchClassifications& text_classes,
SearchResult::Tags* tags) {
int tag_styles = SearchResult::Tag::NONE;
size_t tag_start = 0;
for (size_t i = 0; i < text_classes.size(); ++i) {
const ACMatchClassification& text_class = text_classes[i];
// Closes current tag.
if (tag_styles != SearchResult::Tag::NONE) {
tags->push_back(SearchResult::Tag(
tag_styles, tag_start, text_class.offset));
tag_styles = SearchResult::Tag::NONE;
}
if (text_class.style == ACMatchClassification::NONE)
continue;
tag_start = text_class.offset;
tag_styles = ACMatchStyleToTagStyle(text_class.style);
}
if (tag_styles != SearchResult::Tag::NONE) {
tags->push_back(SearchResult::Tag(
tag_styles, tag_start, text.length()));
}
}
class OmniboxResult : public ChromeSearchResult {
public:
OmniboxResult(Profile* profile, const AutocompleteMatch& match)
: profile_(profile),
match_(match) {
set_id(match.destination_url.spec());
// Derive relevance from omnibox relevance and normalize it to [0, 1].
// The magic number 1500 is the highest score of an omnibox result.
// See comments in autocomplete_provider.h.
set_relevance(match.relevance / 1500.0);
UpdateIcon();
UpdateTitleAndDetails();
}
virtual ~OmniboxResult() {}
// ChromeSearchResult overides:
virtual void Open(int event_flags) OVERRIDE {
chrome::NavigateParams params(profile_,
match_.destination_url,
match_.transition);
params.disposition = ui::DispositionFromEventFlags(event_flags);
chrome::Navigate(¶ms);
}
virtual void InvokeAction(int action_index, int event_flags) OVERRIDE {}
virtual scoped_ptr<ChromeSearchResult> Duplicate() OVERRIDE {
return scoped_ptr<ChromeSearchResult>(
new OmniboxResult(profile_, match_)).Pass();
}
virtual ChromeSearchResultType GetType() OVERRIDE {
return OMNIBOX_SEARCH_RESULT;
}
private:
void UpdateIcon() {
int resource_id = match_.starred ?
IDR_OMNIBOX_STAR : AutocompleteMatch::TypeToIcon(match_.type);
SetIcon(*ui::ResourceBundle::GetSharedInstance().GetImageSkiaNamed(
resource_id));
}
void UpdateTitleAndDetails() {
set_title(match_.contents);
SearchResult::Tags title_tags;
ACMatchClassificationsToTags(match_.contents,
match_.contents_class,
&title_tags);
set_title_tags(title_tags);
set_details(match_.description);
SearchResult::Tags details_tags;
ACMatchClassificationsToTags(match_.description,
match_.description_class,
&details_tags);
set_details_tags(details_tags);
}
Profile* profile_;
AutocompleteMatch match_;
DISALLOW_COPY_AND_ASSIGN(OmniboxResult);
};
} // namespace
OmniboxProvider::OmniboxProvider(Profile* profile)
: profile_(profile),
controller_(new AutocompleteController(
profile,
this,
AutocompleteClassifier::kDefaultOmniboxProviders &
~AutocompleteProvider::TYPE_ZERO_SUGGEST)) {
controller_->search_provider()->set_in_app_list();
}
OmniboxProvider::~OmniboxProvider() {}
void OmniboxProvider::Start(const base::string16& query) {
controller_->Start(AutocompleteInput(query,
base::string16::npos,
base::string16(),
GURL(),
AutocompleteInput::INVALID_SPEC,
false,
false,
true,
true));
}
void OmniboxProvider::Stop() {
controller_->Stop(false);
}
void OmniboxProvider::PopulateFromACResult(const AutocompleteResult& result) {
ClearResults();
for (ACMatches::const_iterator it = result.begin();
it != result.end();
++it) {
if (!it->destination_url.is_valid())
continue;
Add(scoped_ptr<ChromeSearchResult>(
new OmniboxResult(profile_, *it)).Pass());
}
}
void OmniboxProvider::OnResultChanged(bool default_match_changed) {
const AutocompleteResult& result = controller_->result();
PopulateFromACResult(result);
}
} // namespace app_list
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