arc: Add support of default and OEM apps.

chrome/browser/ui/app_list/arc/arc_app_list_prefs.h

Index: chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
diff --git a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
index 9a335e2d972be07da11b3f18ddfbf52c54503416..2f349312645e0e930d652009f82658b7ce8869fd 100644
--- a/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
+++ b/chrome/browser/ui/app_list/arc/arc_app_list_prefs.h
@@ -19,6 +19,7 @@
 #include "base/observer_list.h"
 #include "base/time/time.h"
 #include "chrome/browser/chromeos/arc/arc_auth_service.h"
+#include "chrome/browser/ui/app_list/arc/arc_default_app_list.h"
 #include "components/arc/common/app.mojom.h"
 #include "components/arc/instance_holder.h"
 #include "components/keyed_service/core/keyed_service.h"
@@ -49,7 +50,8 @@ class ArcAppListPrefs
     : public KeyedService,
       public arc::mojom::AppHost,
       public arc::InstanceHolder<arc::mojom::AppInstance>::Observer,
-      public arc::ArcAuthService::Observer {
+      public arc::ArcAuthService::Observer,
+      public ArcDefaultAppList::Delegate {
  public:
   struct AppInfo {
     AppInfo(const std::string& name,
@@ -144,6 +146,8 @@ class ArcAppListPrefs
     virtual ~Observer() {}
   };
 
+  using DefaultAppsReadyCallback = base::Callback<void(void)>;

[xiyuan, 2016/08/29 19:21:56]

nit: this is base::Closure. Can we just use that?

[khmel, 2016/08/30 21:22:11]

Done.

+
   static ArcAppListPrefs* Create(
       Profile* profile,
       arc::InstanceHolder<arc::mojom::AppInstance>* app_instance_holder);
@@ -201,6 +205,10 @@ class ArcAppListPrefs
 
   // Returns true if app is registered.
   bool IsRegistered(const std::string& app_id) const;
+  // Returns true if app is a default app.
+  bool IsDefault(const std::string& app_id) const;
+  // Returns true if app is an OEM app.
+  bool IsOem(const std::string& app_id) const;
   // Returns true if app is a shortcut
   bool IsShortcut(const std::string& app_id) const;
 
@@ -211,6 +219,9 @@ class ArcAppListPrefs
   // arc::ArcAuthService::Observer:
   void OnOptInEnabled(bool enabled) override;
 
+  // ArcDefaultAppList::Delegate:
+  void OnDefaultAppsReady() override;
+
   // Removes app with the given app_id.
   void RemoveApp(const std::string& app_id);
 
@@ -221,6 +232,8 @@ class ArcAppListPrefs
   std::unordered_set<std::string> GetAppsForPackage(
       const std::string& package_name) const;
 
+  void SetDefaltAppsReadyCallback(DefaultAppsReadyCallback callback);
+
  private:
   friend class ChromeLauncherControllerImplTest;
 
@@ -264,6 +277,14 @@ class ArcAppListPrefs
       int32_t task_id,
       const arc::mojom::OrientationLock orientation_lock) override;
 
+  void StartPrefs();
+
+  // Returns list of packages from prefs. If |installed| is set to true then
+  // returns currently installed packages. If not, returns list of packages that
+  // where uninstalled. Note, we store uninstall packages only for packages of
+  // default apps.
+  std::vector<std::string> GetPackagesFromPrefs(bool installed) const;
+
   void AddApp(const arc::mojom::AppInfo& app_info);
   void AddAppAndShortcut(const std::string& name,
                          const std::string& package_name,
@@ -275,6 +296,13 @@ class ArcAppListPrefs
                          const bool shortcut,
                          const bool launchable,
                          arc::mojom::OrientationLock orientation_lock);
+  // Adds or updates local pref for given package.
+  void AddOrUpdatePackagePrefs(PrefService* prefs,
+                               const arc::mojom::ArcPackageInfo& package);
+  // Removes given package from local pref.
+  void RemovePackageFromPrefs(PrefService* prefs,
+                              const std::string& package_name);
+
   void DisableAllApps();
   void RemoveAllApps();
   std::vector<std::string> GetAppIdsNoArcEnabledCheck() const;
@@ -295,9 +323,9 @@ class ArcAppListPrefs
 
   // This checks if app is not registered yet and in this case creates
   // non-launchable app entry.
-  void MayAddNonLaunchableApp(const std::string& name,
-                              const std::string& package_name,
-                              const std::string& activity);
+  void MaybeAddNonLaunchableApp(const std::string& name,
+                                const std::string& package_name,
+                                const std::string& activity);
 
   // Reveals first app from provided package in app launcher if package is newly
   // installed by user. If all apps in package are hidden then app list is not
@@ -332,6 +360,10 @@ class ArcAppListPrefs
 
   mojo::Binding<arc::mojom::AppHost> binding_;
 
+  bool default_apps_ready_ = false;
+  ArcDefaultAppList default_apps_;
+  DefaultAppsReadyCallback default_apps_ready_callback_;
+
   base::WeakPtrFactory<ArcAppListPrefs> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ArcAppListPrefs);