athena/main/url_search_provider.h

   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 ATHENA_MAIN_URL_SEARCH_PROVIDER_H_
   6 #define ATHENA_MAIN_URL_SEARCH_PROVIDER_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "components/omnibox/autocomplete_input.h"
  10 #include "net/url_request/url_fetcher_delegate.h"
  11 #include "ui/app_list/search_provider.h"
  12
  13 class TemplateURLService;
  14
  15 namespace content {
  16 class BrowserContext;
  17 }
  18
  19 namespace athena {
  20
  21 // A sample search provider.
  22 class UrlSearchProvider : public app_list::SearchProvider,
  23                           public net::URLFetcherDelegate {
  24  public:
  25   UrlSearchProvider(content::BrowserContext* browser_context);
  26   virtual ~UrlSearchProvider();
  27
  28   // Overridden from app_list::SearchProvider
  29   virtual void Start(const base::string16& query) OVERRIDE;
  30   virtual void Stop() OVERRIDE;
  31
  32   // Overridden from net::URLFetcherDelegate.
  33   virtual void OnURLFetchComplete(const net::URLFetcher* source) OVERRIDE;
  34
  35  private:
  36   void StartFetchingSuggestions();
  37
  38   content::BrowserContext* browser_context_;
  39
  40   // TODO(mukai): This should be provided through BrowserContextKeyedService.
  41   scoped_ptr<TemplateURLService> template_url_service_;
  42
  43   AutocompleteInput input_;
  44   scoped_ptr<net::URLFetcher> suggestion_fetcher_;
  45   bool should_fetch_suggestions_again_;
  46
  47   DISALLOW_COPY_AND_ASSIGN(UrlSearchProvider);
  48 };
  49
  50 }  // namespace athena
  51
  52 #endif  // ATHENA_MAIN_URL_SEARCH_PROVIDER_H_