chrome/browser/chromeos/login/test/app_window_waiter.h

   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 "apps/app_window_registry.h"
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/run_loop.h"
  14
  15 namespace apps {
  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 apps::AppWindowRegistry::Observer {
  24  public:
  25   AppWindowWaiter(apps::AppWindowRegistry* registry,
  26                   const std::string& app_id);
  27   virtual ~AppWindowWaiter();
  28
  29   apps::AppWindow* Wait();
  30
  31   // AppWindowRegistry::Observer:
  32   virtual void OnAppWindowAdded(apps::AppWindow* app_window) OVERRIDE;
  33   virtual void OnAppWindowIconChanged(apps::AppWindow* app_window) OVERRIDE;
  34   virtual void OnAppWindowRemoved(apps::AppWindow* app_window) OVERRIDE;
  35
  36  private:
  37   apps::AppWindowRegistry* registry_;
  38   std::string app_id_;
  39   base::RunLoop run_loop_;
  40   apps::AppWindow* window_;
  41
  42   DISALLOW_COPY_AND_ASSIGN(AppWindowWaiter);
  43 };
  44
  45 }  // namespace chromeos
  46
  47 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_TEST_APP_WINDOW_WAITER_H_