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| 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 "base/scoped_observer.h" | |
| 15 #include "extensions/browser/extension_registry_observer.h" | |
| 16 | |
| 17 class Profile; | |
| 18 | |
| 19 namespace extensions { | |
| 20 class ExtensionRegistry; | |
| 21 } | |
| 22 | |
| 23 namespace app_list { | |
| 24 | |
| 25 class RecommendedAppsObserver; | |
| 26 | |
| 27 // A class that maintains a list of recommended apps by watching changes | |
| 28 // to app state. | |
| 29 class RecommendedApps : public extensions::ExtensionRegistryObserver { | |
| 30 public: | |
| 31 typedef std::vector<scoped_refptr<const extensions::Extension> > Apps; | |
| 32 | |
| 33 explicit RecommendedApps(Profile* profile); | |
| 34 ~RecommendedApps() override; | |
| 35 | |
| 36 void AddObserver(RecommendedAppsObserver* observer); | |
| 37 void RemoveObserver(RecommendedAppsObserver* observer); | |
| 38 | |
| 39 const Apps& apps() const { return apps_; } | |
| 40 | |
| 41 private: | |
| 42 void Update(); | |
| 43 | |
| 44 // extensions::ExtensionRegistryObserver overrides: | |
| 45 void OnExtensionWillBeInstalled(content::BrowserContext* browser_context, | |
| 46 const extensions::Extension* extension, | |
| 47 bool is_update, | |
| 48 bool from_ephemeral, | |
| 49 const std::string& old_name) override; | |
| 50 void OnExtensionLoaded(content::BrowserContext* browser_context, | |
| 51 const extensions::Extension* extension) override; | |
| 52 void OnExtensionUnloaded( | |
| 53 content::BrowserContext* browser_context, | |
| 54 const extensions::Extension* extension, | |
| 55 extensions::UnloadedExtensionInfo::Reason reason) override; | |
| 56 void OnExtensionUninstalled(content::BrowserContext* browser_context, | |
| 57 const extensions::Extension* extension, | |
| 58 extensions::UninstallReason reason) override; | |
| 59 | |
| 60 Profile* profile_; | |
| 61 PrefChangeRegistrar pref_change_registrar_; | |
| 62 | |
| 63 Apps apps_; | |
| 64 ObserverList<RecommendedAppsObserver, true> observers_; | |
| 65 | |
| 66 ScopedObserver<extensions::ExtensionRegistry, | |
| 67 extensions::ExtensionRegistryObserver> | |
| 68 extension_registry_observer_; | |
| 69 | |
| 70 DISALLOW_COPY_AND_ASSIGN(RecommendedApps); | |
| 71 }; | |
| 72 | |
| 73 } // namespace app_list | |
| 74 | |
| 75 #endif // CHROME_BROWSER_UI_APP_LIST_RECOMMENDED_APPS_H_ | |
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