| // 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/people/people_provider.h" |
| |
| #include <string> |
| |
| #include "base/bind.h" |
| #include "base/callback.h" |
| #include "base/metrics/field_trial.h" |
| #include "base/strings/string_number_conversions.h" |
| #include "base/strings/utf_string_conversions.h" |
| #include "base/values.h" |
| #include "chrome/browser/browser_process.h" |
| #include "chrome/browser/profiles/profile.h" |
| #include "chrome/browser/search/search.h" |
| #include "chrome/browser/signin/profile_oauth2_token_service.h" |
| #include "chrome/browser/signin/profile_oauth2_token_service_factory.h" |
| #include "chrome/browser/ui/app_list/search/common/json_response_fetcher.h" |
| #include "chrome/browser/ui/app_list/search/people/people_result.h" |
| #include "chrome/browser/ui/app_list/search/people/person.h" |
| #include "google_apis/gaia/gaia_constants.h" |
| #include "net/base/url_util.h" |
| #include "url/gurl.h" |
| |
| namespace app_list { |
| |
| namespace { |
| |
| const char kKeyItems[] = "items"; |
| |
| const char kAccessTokenField[] = "access_token"; |
| const char kQueryField[] = "query"; |
| const char kPeopleSearchUrl[] = |
| "https://www.googleapis.com/plus/v2whitelisted/people/autocomplete"; |
| |
| // OAuth2 scope for access to the Google+ People Search API. |
| const char kPeopleSearchOAuth2Scope[] = |
| "https://www.googleapis.com/auth/plus.peopleapi.readwrite"; |
| |
| } // namespace |
| |
| PeopleProvider::PeopleProvider(Profile* profile) |
| : WebserviceSearchProvider(profile), |
| people_search_url_(kPeopleSearchUrl), |
| skip_request_token_for_test_(false) { |
| oauth2_scope_.insert(kPeopleSearchOAuth2Scope); |
| } |
| |
| PeopleProvider::~PeopleProvider() {} |
| |
| void PeopleProvider::Start(const base::string16& query) { |
| ClearResults(); |
| if (!IsValidQuery(query)) { |
| query_.clear(); |
| return; |
| } |
| |
| query_ = UTF16ToUTF8(query); |
| |
| const CacheResult result = cache_->Get(WebserviceCache::PEOPLE, query_); |
| if (result.second) { |
| ProcessPeopleSearchResults(result.second); |
| if (!people_search_fetched_callback_.is_null()) |
| people_search_fetched_callback_.Run(); |
| if (result.first == FRESH) |
| return; |
| } |
| |
| |
| if (!people_search_) { |
| people_search_.reset(new JSONResponseFetcher( |
| base::Bind(&PeopleProvider::OnPeopleSearchFetched, |
| base::Unretained(this)), |
| profile_->GetRequestContext())); |
| } |
| |
| if (!skip_request_token_for_test_) { |
| // We start with reqesting the access token. Once the token is fetched, |
| // we'll create the full query URL and fetch it. |
| StartThrottledQuery(base::Bind(&PeopleProvider::RequestAccessToken, |
| base::Unretained(this))); |
| } else { |
| // Running in a test, skip requesting the access token, straight away |
| // start our query. |
| StartThrottledQuery(base::Bind(&PeopleProvider::StartQuery, |
| base::Unretained(this))); |
| } |
| } |
| |
| void PeopleProvider::Stop() { |
| if (people_search_) |
| people_search_->Stop(); |
| } |
| |
| void PeopleProvider::OnGetTokenSuccess( |
| const OAuth2TokenService::Request* request, |
| const std::string& access_token, |
| const base::Time& expiration_time) { |
| DCHECK_EQ(access_token_request_, request); |
| access_token_request_.reset(); |
| access_token_ = access_token; |
| StartQuery(); |
| } |
| |
| void PeopleProvider::OnGetTokenFailure( |
| const OAuth2TokenService::Request* request, |
| const GoogleServiceAuthError& error) { |
| DCHECK_EQ(access_token_request_, request); |
| access_token_request_.reset(); |
| } |
| |
| void PeopleProvider::RequestAccessToken() { |
| // Only one active request at a time. |
| if (access_token_request_ != NULL) |
| return; |
| |
| ProfileOAuth2TokenService* token_service = |
| ProfileOAuth2TokenServiceFactory::GetForProfile(profile_); |
| access_token_request_ = token_service->StartRequest( |
| token_service->GetPrimaryAccountId(), oauth2_scope_, this); |
| } |
| |
| GURL PeopleProvider::GetQueryUrl(const std::string& query) { |
| GURL people_search_url = people_search_url_; |
| people_search_url = net::AppendQueryParameter(people_search_url, |
| kAccessTokenField, |
| access_token_); |
| people_search_url = net::AppendQueryParameter(people_search_url, |
| kQueryField, |
| query); |
| |
| return people_search_url; |
| } |
| |
| void PeopleProvider::StartQuery() { |
| // |query_| can be NULL when the query is scheduled but then canceled. |
| if (!people_search_ || query_.empty()) |
| return; |
| |
| GURL url = GetQueryUrl(query_); |
| people_search_->Start(url); |
| } |
| |
| void PeopleProvider::OnPeopleSearchFetched( |
| scoped_ptr<base::DictionaryValue> json) { |
| ProcessPeopleSearchResults(json.get()); |
| cache_->Put(WebserviceCache::PEOPLE, query_, json.Pass()); |
| |
| if (!people_search_fetched_callback_.is_null()) |
| people_search_fetched_callback_.Run(); |
| } |
| |
| void PeopleProvider::ProcessPeopleSearchResults( |
| const base::DictionaryValue* json) { |
| const base::ListValue* item_list = NULL; |
| if (!json || |
| !json->GetList(kKeyItems, &item_list) || |
| !item_list || |
| item_list->empty()) { |
| return; |
| } |
| |
| ClearResults(); |
| for (ListValue::const_iterator it = item_list->begin(); |
| it != item_list->end(); |
| ++it) { |
| const base::DictionaryValue* dict; |
| if (!(*it)->GetAsDictionary(&dict)) |
| continue; |
| |
| scoped_ptr<ChromeSearchResult> result(CreateResult(*dict)); |
| if (!result) |
| continue; |
| |
| Add(result.Pass()); |
| } |
| } |
| |
| scoped_ptr<ChromeSearchResult> PeopleProvider::CreateResult( |
| const base::DictionaryValue& dict) { |
| scoped_ptr<ChromeSearchResult> result; |
| |
| scoped_ptr<Person> person = Person::Create(dict); |
| if (!person) |
| return result.Pass(); |
| |
| result.reset(new PeopleResult(profile_, person.Pass())); |
| return result.Pass(); |
| } |
| |
| void PeopleProvider::SetupForTest( |
| const base::Closure& people_search_fetched_callback, |
| const GURL& people_search_url) { |
| people_search_fetched_callback_ = people_search_fetched_callback; |
| people_search_url_ = people_search_url; |
| skip_request_token_for_test_ = true; |
| } |
| |
| } // namespace app_list |