src/chrome/browser/ui/app_list/recommended_apps.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_RECOMMENDED_APPS_H_
   6 #define CHROME_BROWSER_UI_APP_LIST_RECOMMENDED_APPS_H_
   7
   8 #include <vector>
   9
  10 #include "base/basictypes.h"
  11 #include "base/memory/ref_counted.h"
  12 #include "base/observer_list.h"
  13 #include "base/prefs/pref_change_registrar.h"
  14 #include "chrome/browser/extensions/install_observer.h"
  15
  16 class Profile;
  17
  18 namespace app_list {
  19
  20 class RecommendedAppsObserver;
  21
  22 // A class that maintains a list of recommended apps by watching changes
  23 // to app state.
  24 class RecommendedApps : public extensions::InstallObserver {
  25  public:
  26   typedef std::vector<scoped_refptr<const extensions::Extension> > Apps;
  27
  28   explicit RecommendedApps(Profile* profile);
  29   virtual ~RecommendedApps();
  30
  31   void AddObserver(RecommendedAppsObserver* observer);
  32   void RemoveObserver(RecommendedAppsObserver* observer);
  33
  34   const Apps& apps() const { return apps_; }
  35
  36  private:
  37   void Update();
  38
  39   // extensions::InstallObserver overrides:
  40   virtual void OnBeginExtensionInstall(const std::string& extension_id,
  41                                        const std::string& extension_name,
  42                                        const gfx::ImageSkia& installing_icon,
  43                                        bool is_app,
  44                                        bool is_platform_app) OVERRIDE;
  45   virtual void OnDownloadProgress(const std::string& extension_id,
  46                                   int percent_downloaded) OVERRIDE;
  47   virtual void OnInstallFailure(const std::string& extension_id) OVERRIDE;
  48   virtual void OnExtensionInstalled(
  49       const extensions::Extension* extension) OVERRIDE;
  50   virtual void OnExtensionLoaded(
  51       const extensions::Extension* extension) OVERRIDE;
  52   virtual void OnExtensionUnloaded(
  53       const extensions::Extension* extension) OVERRIDE;
  54   virtual void OnExtensionUninstalled(
  55       const extensions::Extension* extension) OVERRIDE;
  56   virtual void OnAppsReordered() OVERRIDE;
  57   virtual void OnAppInstalledToAppList(
  58       const std::string& extension_id) OVERRIDE;
  59   virtual void OnShutdown() OVERRIDE;
  60
  61   Profile* profile_;
  62   PrefChangeRegistrar pref_change_registrar_;
  63
  64   Apps apps_;
  65   ObserverList<RecommendedAppsObserver, true> observers_;
  66
  67   DISALLOW_COPY_AND_ASSIGN(RecommendedApps);
  68 };
  69
  70 }  // namespace app_list
  71
  72 #endif  // CHROME_BROWSER_UI_APP_LIST_RECOMMENDED_APPS_H_