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      1 // Copyright 2014 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_CHROMEOS_LOGIN_TEST_APP_WINDOW_WAITER_H_
      6 #define CHROME_BROWSER_CHROMEOS_LOGIN_TEST_APP_WINDOW_WAITER_H_
      7 
      8 #include <string>
      9 
     10 #include "base/basictypes.h"
     11 #include "base/compiler_specific.h"
     12 #include "base/run_loop.h"
     13 #include "extensions/browser/app_window/app_window_registry.h"
     14 
     15 namespace extensions {
     16 class AppWindow;
     17 }
     18 
     19 namespace chromeos {
     20 
     21 // Helper class that monitors app windows to wait for a window to appear.
     22 // Use a new instance for each use, one instance will only work for one Wait.
     23 class AppWindowWaiter : public extensions::AppWindowRegistry::Observer {
     24  public:
     25   AppWindowWaiter(extensions::AppWindowRegistry* registry,
     26                   const std::string& app_id);
     27   virtual ~AppWindowWaiter();
     28 
     29   extensions::AppWindow* Wait();
     30 
     31   // AppWindowRegistry::Observer:
     32   virtual void OnAppWindowAdded(extensions::AppWindow* app_window) OVERRIDE;
     33 
     34  private:
     35   extensions::AppWindowRegistry* registry_;
     36   std::string app_id_;
     37   base::RunLoop run_loop_;
     38   extensions::AppWindow* window_;
     39 
     40   DISALLOW_COPY_AND_ASSIGN(AppWindowWaiter);
     41 };
     42 
     43 }  // namespace chromeos
     44 
     45 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_TEST_APP_WINDOW_WAITER_H_
     46