chrome/browser/ui/webui/chromeos/login/host_pairing_screen_handler.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_UI_WEBUI_CHROMEOS_LOGIN_HOST_PAIRING_SCREEN_HANDLER_H_
   6 #define CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HOST_PAIRING_SCREEN_HANDLER_H_
   7
   8 #include "base/macros.h"
   9 #include "chrome/browser/chromeos/login/screens/host_pairing_screen_actor.h"
  10 #include "chrome/browser/ui/webui/chromeos/login/base_screen_handler.h"
  11 #include "components/login/screens/screen_context.h"
  12
  13 namespace chromeos {
  14
  15 class HostPairingScreenHandler : public HostPairingScreenActor,
  16                                  public BaseScreenHandler {
  17  public:
  18   HostPairingScreenHandler();
  19   ~HostPairingScreenHandler() override;
  20
  21  private:
  22   void HandleContextReady();
  23
  24   // Overridden from BaseScreenHandler:
  25   void Initialize() override;
  26   void DeclareLocalizedValues(
  27       ::login::LocalizedValuesBuilder* builder) override;
  28
  29   // Overridden from content::WebUIMessageHandler:
  30   void RegisterMessages() override;
  31
  32   // Overridden from HostPairingScreenActor:
  33   void Show() override;
  34   void Hide() override;
  35   void SetDelegate(Delegate* delegate) override;
  36   void OnContextChanged(const base::DictionaryValue& diff) override;
  37
  38   HostPairingScreenActor::Delegate* delegate_;
  39   bool show_on_init_;
  40   bool js_context_ready_;
  41
  42   // Caches context changes while JS part is not ready to receive messages.
  43   ::login::ScreenContext context_cache_;
  44
  45   DISALLOW_COPY_AND_ASSIGN(HostPairingScreenHandler);
  46 };
  47
  48 }  // namespace chromeos
  49
  50 #endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_LOGIN_HOST_PAIRING_SCREEN_HANDLER_H_