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_PRINT_JOB_WORKER_OWNER_H__ 6 #define CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_OWNER_H__ 7 #pragma once 8 9 #include "base/memory/ref_counted.h" 10 #include "printing/printing_context.h" 11 12 class MessageLoop; 13 14 namespace printing { 15 16 class PrintJobWorker; 17 class PrintSettings; 18 19 class PrintJobWorkerOwner 20 : public base::RefCountedThreadSafe<PrintJobWorkerOwner> { 21 public: 22 // Finishes the initialization began by PrintJobWorker::GetSettings(). 23 // Creates a new PrintedDocument if necessary. Solely meant to be called by 24 // PrintJobWorker. 25 virtual void GetSettingsDone(const PrintSettings& new_settings, 26 PrintingContext::Result result) = 0; 27 28 // Detach the PrintJobWorker associated to this object. 29 virtual PrintJobWorker* DetachWorker(PrintJobWorkerOwner* new_owner) = 0; 30 31 // Retrieves the message loop that is expected to process GetSettingsDone. 32 virtual MessageLoop* message_loop() = 0; 33 34 // Access the current settings. 35 virtual const PrintSettings& settings() const = 0; 36 37 // Cookie uniquely identifying the PrintedDocument and/or loaded settings. 38 virtual int cookie() const = 0; 39 40 protected: 41 friend class base::RefCountedThreadSafe<PrintJobWorkerOwner>; 42 ~PrintJobWorkerOwner()43 virtual ~PrintJobWorkerOwner() {} 44 }; 45 46 } // namespace printing 47 48 #endif // CHROME_BROWSER_PRINTING_PRINT_JOB_WORKER_OWNER_H__ 49