chrome/browser/printing/print_job_worker_owner.h

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