Implement people search.

chrome/browser/ui/app_list/search/webstore_provider.h

-// 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.
-
-#ifndef CHROME_BROWSER_UI_APP_LIST_SEARCH_WEBSTORE_PROVIDER_H_
-#define CHROME_BROWSER_UI_APP_LIST_SEARCH_WEBSTORE_PROVIDER_H_
-
-#include "base/basictypes.h"
-#include "base/callback.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/time/time.h"
-#include "base/timer/timer.h"
-#include "chrome/browser/ui/app_list/search/common/webservice_search_provider.h"
-#include "chrome/browser/ui/app_list/search/webstore_cache.h"
-
-class AppListControllerDelegate;
-class Profile;
-
-namespace base {
-class DictionaryValue;
-}
-
-namespace app_list {
-
-namespace test {
-class WebstoreProviderTest;
-}
-
-class ChromeSearchResult;
-class JSONResponseFetcher;
-
-// WebstoreProvider fetches search results from the web store server.
-// A "Search in web store" result will be returned if the server does not
-// return any results.
-class WebstoreProvider : public WebserviceSearchProvider{
- public:
-  WebstoreProvider(Profile* profile, AppListControllerDelegate* controller);
-  virtual ~WebstoreProvider();
-
-  // SearchProvider overrides:
-  virtual void Start(const base::string16& query) OVERRIDE;
-  virtual void Stop() OVERRIDE;
-
- private:
-  friend class app_list::test::WebstoreProviderTest;
-
-  // Start the search request with |query_|.
-  void StartQuery();
-
-  void OnWebstoreSearchFetched(scoped_ptr<base::DictionaryValue> json);
-  void ProcessWebstoreSearchResults(const base::DictionaryValue* json);
-  scoped_ptr<ChromeSearchResult> CreateResult(
-      const base::DictionaryValue& dict);
-
-  void set_webstore_search_fetched_callback(const base::Closure& callback) {
-    webstore_search_fetched_callback_ = callback;
-  }
-
-  Profile* profile_;
-  AppListControllerDelegate* controller_;
-  scoped_ptr<JSONResponseFetcher> webstore_search_;
-  base::Closure webstore_search_fetched_callback_;
-
-  // The cache of the search result which will be valid only in a single
-  // input session.
-  WebstoreCache cache_;
-
-  // The timestamp when the last key event happened.
-  base::Time last_keytyped_;
-
-  // The timer to throttle QPS to the webstore search .
-  base::OneShotTimer<WebstoreProvider> query_throttler_;
-
-  // The current query.
-  std::string query_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebstoreProvider);
-};
-
-}  // namespace app_list
-
-#endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_WEBSTORE_PROVIDER_H_