extensions/browser/api/printer_provider_internal/printer_provider_internal_api.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_H_
   6 #define EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_
   7
   8 #include "base/macros.h"
   9 #include "base/observer_list.h"
  10 #include "extensions/browser/api/printer_provider_internal/printer_provider_internal_api_observer.h"
  11 #include "extensions/browser/browser_context_keyed_api_factory.h"
  12 #include "extensions/browser/extension_function.h"
  13 #include "extensions/common/api/printer_provider_internal.h"
  14
  15 namespace base {
  16 class DictionaryValue;
  17 class ListValue;
  18 }
  19
  20 namespace content {
  21 class BrowserContext;
  22 }
  23
  24 namespace extensions {
  25 class Extension;
  26 }
  27
  28 namespace extensions {
  29
  30 // Internal API instance. Primarily used to enable observers to watch for when
  31 // printerProviderInternal API functions are called.
  32 class PrinterProviderInternalAPI : public BrowserContextKeyedAPI {
  33  public:
  34   static BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>*
  35   GetFactoryInstance();
  36
  37   explicit PrinterProviderInternalAPI(content::BrowserContext* browser_context);
  38   ~PrinterProviderInternalAPI() override;
  39
  40   void AddObserver(PrinterProviderInternalAPIObserver* observer);
  41   void RemoveObserver(PrinterProviderInternalAPIObserver* observer);
  42
  43  private:
  44   friend class BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>;
  45   friend class PrinterProviderInternalReportPrintersFunction;
  46   friend class PrinterProviderInternalReportPrinterCapabilityFunction;
  47   friend class PrinterProviderInternalReportPrintResultFunction;
  48
  49   // BrowserContextKeyedAPI implementation.
  50   static const bool kServiceRedirectedInIncognito = true;
  51   static const char* service_name() { return "PrinterProviderInternal"; }
  52
  53   // Notifies observers that a printerProvider.onGetPrintersRequested callback
  54   // has been called. Called from
  55   // |PrinterProviderInternalReportPrintersFunction|.
  56   void NotifyGetPrintersResult(
  57       const Extension* extension,
  58       int request_id,
  59       const PrinterProviderInternalAPIObserver::PrinterInfoVector& printers);
  60
  61   // Notifies observers that a printerProvider.onGetCapabilityRequested callback
  62   // has been called. Called from
  63   // |PrinterProviderInternalReportPrinterCapabilityFunction|.
  64   void NotifyGetCapabilityResult(const Extension* extension,
  65                                  int request_id,
  66                                  const base::DictionaryValue& capability);
  67
  68   // Notifies observers that a printerProvider.onPrintRequested callback has
  69   // been called. Called from
  70   // |PrinterProviderInternalReportPrintResultFunction|.
  71   void NotifyPrintResult(const Extension* extension,
  72                          int request_id,
  73                          core_api::printer_provider_internal::PrintError error);
  74
  75   ObserverList<PrinterProviderInternalAPIObserver> observers_;
  76
  77   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalAPI);
  78 };
  79
  80 class PrinterProviderInternalReportPrintResultFunction
  81     : public UIThreadExtensionFunction {
  82  public:
  83   PrinterProviderInternalReportPrintResultFunction();
  84
  85  protected:
  86   ~PrinterProviderInternalReportPrintResultFunction() override;
  87
  88   ExtensionFunction::ResponseAction Run() override;
  89
  90  private:
  91   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrintResult",
  92                              PRINTERPROVIDERINTERNAL_REPORTPRINTRESULT)
  93
  94   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintResultFunction);
  95 };
  96
  97 class PrinterProviderInternalReportPrinterCapabilityFunction
  98     : public UIThreadExtensionFunction {
  99  public:
 100   PrinterProviderInternalReportPrinterCapabilityFunction();
 101
 102  protected:
 103   ~PrinterProviderInternalReportPrinterCapabilityFunction() override;
 104
 105   ExtensionFunction::ResponseAction Run() override;
 106
 107  private:
 108   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinterCapability",
 109                              PRINTERPROVIDERINTERNAL_REPORTPRINTERCAPABILITY)
 110
 111   DISALLOW_COPY_AND_ASSIGN(
 112       PrinterProviderInternalReportPrinterCapabilityFunction);
 113 };
 114
 115 class PrinterProviderInternalReportPrintersFunction
 116     : public UIThreadExtensionFunction {
 117  public:
 118   PrinterProviderInternalReportPrintersFunction();
 119
 120  protected:
 121   ~PrinterProviderInternalReportPrintersFunction() override;
 122   ExtensionFunction::ResponseAction Run() override;
 123
 124  private:
 125   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinters",
 126                              PRINTERPROVIDERINTERNAL_REPORTPRINTERS)
 127
 128   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintersFunction);
 129 };
 130
 131 }  // namespace extensions
 132
 133 #endif  // EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_