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

   1 // Copyright 2013 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 CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_CONTROLLER_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_CONTROLLER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_ptr.h"
  10 #include "base/memory/scoped_vector.h"
  11 #include "base/timer/timer.h"
  12 #include "chrome/browser/ui/app_list/search/mixer.h"
  13 #include "ui/app_list/app_list_model.h"
  14
  15 class AppListControllerDelegate;
  16 class Profile;
  17
  18 namespace app_list {
  19
  20 class History;
  21 class SearchBoxModel;
  22 class SearchProvider;
  23 class SearchResult;
  24
  25 // Controller that collects query from given SearchBoxModel, dispatches it
  26 // to all search providers, then invokes the mixer to mix and to publish the
  27 // results to the given SearchResults UI model.
  28 class SearchController {
  29  public:
  30   SearchController(Profile* profile,
  31                    SearchBoxModel* search_box,
  32                    AppListModel::SearchResults* results,
  33                    AppListControllerDelegate* list_controller);
  34   ~SearchController();
  35
  36   void Init();
  37
  38   void Start();
  39   void Stop();
  40
  41   void OpenResult(SearchResult* result, int event_flags);
  42   void InvokeResultAction(SearchResult* result,
  43                           int action_index,
  44                           int event_flags);
  45
  46  private:
  47   typedef ScopedVector<SearchProvider> Providers;
  48
  49   // Takes ownership of |provider| and associates it with given mixer group.
  50   void AddProvider(Mixer::GroupId group,
  51                    scoped_ptr<SearchProvider> provider);
  52
  53   // Invoked when the search results are changed.
  54   void OnResultsChanged();
  55
  56   Profile* profile_;
  57   SearchBoxModel* search_box_;
  58   AppListControllerDelegate* list_controller_;
  59
  60   bool dispatching_query_;
  61   Providers providers_;
  62   scoped_ptr<Mixer> mixer_;
  63   History* history_;  // BrowserContextKeyedService, not owned.
  64
  65   base::OneShotTimer<SearchController> stop_timer_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(SearchController);
  68 };
  69
  70 }  // namespace app_list
  71
  72 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_SEARCH_CONTROLLER_H_