content/browser/renderer_host/pepper/pepper_print_settings_manager.h

   1 // Copyright (c) 2012 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 CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PRINT_SETTINGS_MANAGER_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PRINT_SETTINGS_MANAGER_H_
   7
   8 #include "base/bind.h"
   9 #include "base/compiler_specific.h"
  10 #include "content/common/content_export.h"
  11 #include "ppapi/c/dev/pp_print_settings_dev.h"
  12
  13 namespace content {
  14
  15 // A class for getting the default print settings for the default printer.
  16 class CONTENT_EXPORT PepperPrintSettingsManager {
  17  public:
  18   typedef std::pair<PP_PrintSettings_Dev, int32_t> Result;
  19   typedef base::Callback<void(Result)> Callback;
  20
  21   // The default print settings are obtained asynchronously and |callback|
  22   // is called with the the print settings when they are available. |callback|
  23   // will always be called on the same thread from which
  24   // |GetDefaultPrintSettings| was issued.
  25   virtual void GetDefaultPrintSettings(Callback callback) = 0;
  26
  27   virtual ~PepperPrintSettingsManager() {}
  28 };
  29
  30 // Real implementation for getting the default print settings.
  31 class CONTENT_EXPORT PepperPrintSettingsManagerImpl
  32     : public PepperPrintSettingsManager {
  33  public:
  34   PepperPrintSettingsManagerImpl() {}
  35   ~PepperPrintSettingsManagerImpl() override {}
  36
  37   // PepperPrintSettingsManager implementation.
  38   void GetDefaultPrintSettings(
  39       PepperPrintSettingsManager::Callback callback) override;
  40
  41  private:
  42   DISALLOW_COPY_AND_ASSIGN(PepperPrintSettingsManagerImpl);
  43 };
  44
  45 }  // namespace content
  46
  47 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_PRINT_SETTINGS_MANAGER_H_