1 // Copyright (c) 2011 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_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_HANDLER_H_ 6 #define CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_HANDLER_H_ 7 #pragma once 8 9 #include "base/memory/weak_ptr.h" 10 #include "chrome/browser/printing/cloud_print/cloud_print_setup_flow.h" 11 12 // Cloud Print setup handler. 13 // Provides a weak pointer adapter so that callers of 14 // CloudPrintSetupFlow::OpenDialog can still be notified when the dialog 15 // completes, but don't have to stick around until the end. Lifetime should be 16 // shorter than that of it's owner. 17 class CloudPrintSetupHandler 18 : public CloudPrintSetupFlow::Delegate, 19 public base::SupportsWeakPtr<CloudPrintSetupHandler> { 20 public: 21 class Delegate { 22 public: ~Delegate()23 virtual ~Delegate() {} 24 // Called when the setup dialog is closed. 25 virtual void OnCloudPrintSetupClosed() = 0; 26 }; 27 28 explicit CloudPrintSetupHandler(Delegate* handler); 29 virtual ~CloudPrintSetupHandler(); 30 31 // CloudPrintSetupFlow::Delegate implementation. 32 virtual void OnDialogClosed(); 33 34 private: 35 Delegate* handler_; 36 37 DISALLOW_COPY_AND_ASSIGN(CloudPrintSetupHandler); 38 }; 39 40 // Workaround for MSVC 2005 not handling inheritance from nested classes well. 41 typedef CloudPrintSetupHandler::Delegate CloudPrintSetupHandlerDelegate; 42 43 #endif // CHROME_BROWSER_PRINTING_CLOUD_PRINT_CLOUD_PRINT_SETUP_HANDLER_H_ 44