Redesign cloud printing subsystem layer.

chrome/service/cloud_print/printer_info.h

-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef CHROME_SERVICE_CLOUD_PRINT_PRINTER_INFO_H_
-#define CHROME_SERVICE_CLOUD_PRINT_PRINTER_INFO_H_
-
-#include <map>
-#include <string>
-#include <vector>
-
-#include "base/file_path.h"
-
-// This is the interface for platform-specific code for cloud print
-namespace cloud_print {
-
-typedef int PlatformJobId;
-
-struct PrinterBasicInfo {
-  std::string printer_name;
-  std::string printer_description;
-  int printer_status;
-  std::map<std::string, std::string> options;
-  PrinterBasicInfo() : printer_status(0) {
-  }
-};
-
-typedef std::vector<PrinterBasicInfo> PrinterList;
-
-struct PrinterCapsAndDefaults {
-  std::string printer_capabilities;
-  std::string caps_mime_type;
-  std::string printer_defaults;
-  std::string defaults_mime_type;
-};
-
-enum PrintJobStatus {
-  PRINT_JOB_STATUS_INVALID,
-  PRINT_JOB_STATUS_IN_PROGRESS,
-  PRINT_JOB_STATUS_ERROR,
-  PRINT_JOB_STATUS_COMPLETED
-};
-
-struct PrintJobDetails {
-  PrintJobStatus status;
-  int platform_status_flags;
-  std::string status_message;
-  int total_pages;
-  int pages_printed;
-  PrintJobDetails() : status(PRINT_JOB_STATUS_INVALID),
-                      platform_status_flags(0), total_pages(0),
-                      pages_printed(0) {
-  }
-  void Clear() {
-    status = PRINT_JOB_STATUS_INVALID;
-    platform_status_flags = 0;
-    status_message.clear();
-    total_pages = 0;
-    pages_printed = 0;
-  }
-  bool operator ==(const PrintJobDetails& other) const {
-    return (status == other.status) &&
-           (platform_status_flags == other.platform_status_flags) &&
-           (status_message == other.status_message) &&
-           (total_pages == other.total_pages) &&
-           (pages_printed == other.pages_printed);
-  }
-  bool operator !=(const PrintJobDetails& other) const {
-    return !(*this == other);
-  }
-};
-
-// Enumerates the list of installed local and network printers.
-void EnumeratePrinters(PrinterList* printer_list);
-// Gets the capabilities and defaults for a specific printer.
-bool GetPrinterCapsAndDefaults(const std::string& printer_name,
-                               PrinterCapsAndDefaults* printer_info);
-bool ValidatePrintTicket(const std::string& printer_name,
-                         const std::string& print_ticket_data);
-std::string GenerateProxyId();
-bool SpoolPrintJob(const std::string& print_ticket,
-                   const FilePath& print_data_file_path,
-                   const std::string& print_data_mime_type,
-                   const std::string& printer_name,
-                   const std::string& job_title,
-                   PlatformJobId* job_id_ret);
-
-bool GetJobDetails(const std::string& printer_name,
-                   PlatformJobId job_id,
-                   PrintJobDetails *job_details);
-bool IsValidPrinter(const std::string& printer_name);
-
-// A class that watches changes to a printer or a print server.
-// The set of notifications are very coarse-grained (even though the Windows
-// API allows for listening to fine-grained details about a printer, this class
-// does not support that level of fine-grained control.
-class PrinterChangeNotifier {
- public:
-  class Delegate {
-    public:
-      virtual void OnPrinterAdded() = 0;
-      virtual void OnPrinterDeleted() = 0;
-      virtual void OnPrinterChanged() = 0;
-      virtual void OnJobChanged() = 0;
-  };
-  PrinterChangeNotifier();
-  ~PrinterChangeNotifier();
-  bool StartWatching(const std::string& printer_name, Delegate* delegate);
-  bool StopWatching();
-  bool GetCurrentPrinterInfo(PrinterBasicInfo* printer_info);
- private:
-  // Internal state maintained by the PrinterChangeNotifier class.
-  class NotificationState;
-  NotificationState* state_;
-  DISALLOW_COPY_AND_ASSIGN(PrinterChangeNotifier);
-};
-
-// This typedef is to workaround the issue with certain versions of
-// Visual Studio where it gets confused between multiple Delegate
-// classes and gives a C2500 error. (I saw this error on the try bots -
-// the workaround was not needed for my machine).
-typedef PrinterChangeNotifier::Delegate PrinterChangeNotifierDelegate;
-
-}  // namespace cloud_print
-
-#endif  // CHROME_SERVICE_CLOUD_PRINT_PRINTER_INFO_H_
-