extensions/browser/api/printer_provider_internal/printer_provider_internal_api_observer.h

   1 // Copyright 2015 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 EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_OBSERVER_H_
   6 #define EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_OBSERVER_H_
   7
   8 #include "extensions/common/api/printer_provider_internal.h"
   9
  10 namespace base {
  11 class DictionaryValue;
  12 }
  13
  14 namespace extensions {
  15
  16 class Extension;
  17
  18 // Interface for observing chrome.printerProviderInternal API function calls.
  19 class PrinterProviderInternalAPIObserver {
  20  public:
  21   // Used by chrome.printerProviderInternal API to report
  22   // chrome.printerProvider.onGetCapabilityRequested result returned by the
  23   // extension |extensiod|.
  24   // |request_id| is the request id passed to the original
  25   // chrome.printerProvider.onGetCapabilityRequested event.
  26   virtual void OnGetCapabilityResult(const Extension* extension,
  27                                      int request_id,
  28                                      const base::DictionaryValue& result) = 0;
  29
  30   // Used by chrome.printerProviderInternal API to report
  31   // chrome.printerProvider.onPrintRequested result returned by the extension
  32   // |extension|.
  33   // |request_id| is the request id passed to the original
  34   // chrome.printerProvider.onPrintRequested event.
  35   virtual void OnPrintResult(
  36       const Extension* extension,
  37       int request_id,
  38       core_api::printer_provider_internal::PrintError error) = 0;
  39
  40  protected:
  41   virtual ~PrinterProviderInternalAPIObserver() {}
  42 };
  43
  44 }  // namespace extensions
  45
  46 #endif  // EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_OBSERVER_H_