chrome/browser/ui/app_list/search/app_search_provider.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_APP_SEARCH_PROVIDER_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_SEARCH_PROVIDER_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/scoped_vector.h"
  10 #include "base/memory/weak_ptr.h"
  11 #include "base/scoped_observer.h"
  12 #include "extensions/browser/extension_registry_observer.h"
  13 #include "ui/app_list/search_provider.h"
  14
  15 class AppListControllerDelegate;
  16 class Profile;
  17
  18 namespace base {
  19 class Clock;
  20 }
  21
  22 namespace extensions {
  23 class ExtensionRegistry;
  24 class ExtensionSet;
  25 }
  26
  27 namespace app_list {
  28
  29 class AppListItemList;
  30
  31 namespace test {
  32 class AppSearchProviderTest;
  33 }
  34
  35 class AppSearchProvider : public SearchProvider,
  36                           public extensions::ExtensionRegistryObserver {
  37  public:
  38   AppSearchProvider(Profile* profile,
  39                     AppListControllerDelegate* list_controller,
  40                     scoped_ptr<base::Clock> clock,
  41                     AppListItemList* top_level_item_list);
  42   ~AppSearchProvider() override;
  43
  44   // SearchProvider overrides:
  45   void Start(bool is_voice_query, const base::string16& query) override;
  46   void Stop() override;
  47
  48  private:
  49   class App;
  50   typedef ScopedVector<App> Apps;
  51
  52   void UpdateResults();
  53
  54   // Adds extensions to apps container if they should be displayed.
  55   void AddApps(const extensions::ExtensionSet& extensions);
  56   void RefreshApps();
  57
  58   // extensions::ExtensionRegistryObserver overrides:
  59   void OnExtensionLoaded(content::BrowserContext* browser_context,
  60                          const extensions::Extension* extension) override;
  61   void OnExtensionUninstalled(content::BrowserContext* browser_context,
  62                               const extensions::Extension* extension,
  63                               extensions::UninstallReason reason) override;
  64
  65   Profile* profile_;
  66   AppListControllerDelegate* list_controller_;
  67
  68   base::string16 query_;
  69
  70   ScopedObserver<extensions::ExtensionRegistry,
  71                  extensions::ExtensionRegistryObserver>
  72       extension_registry_observer_;
  73
  74   Apps apps_;
  75
  76   AppListItemList* top_level_item_list_;
  77
  78   scoped_ptr<base::Clock> clock_;
  79   base::WeakPtrFactory<AppSearchProvider> update_results_factory_;
  80
  81   DISALLOW_COPY_AND_ASSIGN(AppSearchProvider);
  82 };
  83
  84 }  // namespace app_list
  85
  86 #endif  // CHROME_BROWSER_UI_APP_LIST_SEARCH_APP_SEARCH_PROVIDER_H_