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 <string>
   9
  10 #include "base/macros.h"
  11 #include "base/observer_list.h"
  12 #include "extensions/browser/api/printer_provider_internal/printer_provider_internal_api_observer.h"
  13 #include "extensions/browser/browser_context_keyed_api_factory.h"
  14 #include "extensions/browser/extension_function.h"
  15 #include "extensions/common/api/printer_provider_internal.h"
  16
  17 namespace base {
  18 class DictionaryValue;
  19 class ListValue;
  20 }
  21
  22 namespace content {
  23 class BlobHandle;
  24 class BrowserContext;
  25 }
  26
  27 namespace extensions {
  28 class Extension;
  29 }
  30
  31 namespace extensions {
  32
  33 // Internal API instance. Primarily used to enable observers to watch for when
  34 // printerProviderInternal API functions are called.
  35 class PrinterProviderInternalAPI : public BrowserContextKeyedAPI {
  36  public:
  37   static BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>*
  38   GetFactoryInstance();
  39
  40   explicit PrinterProviderInternalAPI(content::BrowserContext* browser_context);
  41   ~PrinterProviderInternalAPI() override;
  42
  43   void AddObserver(PrinterProviderInternalAPIObserver* observer);
  44   void RemoveObserver(PrinterProviderInternalAPIObserver* observer);
  45
  46  private:
  47   friend class BrowserContextKeyedAPIFactory<PrinterProviderInternalAPI>;
  48   friend class PrinterProviderInternalReportPrintersFunction;
  49   friend class PrinterProviderInternalReportPrinterCapabilityFunction;
  50   friend class PrinterProviderInternalReportPrintResultFunction;
  51   friend class PrinterProviderInternalReportUsbPrinterInfoFunction;
  52
  53   // BrowserContextKeyedAPI implementation.
  54   static const bool kServiceRedirectedInIncognito = true;
  55   static const char* service_name() { return "PrinterProviderInternal"; }
  56
  57   // Notifies observers that a printerProvider.onGetPrintersRequested callback
  58   // has been called. Called from
  59   // |PrinterProviderInternalReportPrintersFunction|.
  60   void NotifyGetPrintersResult(
  61       const Extension* extension,
  62       int request_id,
  63       const PrinterProviderInternalAPIObserver::PrinterInfoVector& printers);
  64
  65   // Notifies observers that a printerProvider.onGetCapabilityRequested callback
  66   // has been called. Called from
  67   // |PrinterProviderInternalReportPrinterCapabilityFunction|.
  68   void NotifyGetCapabilityResult(const Extension* extension,
  69                                  int request_id,
  70                                  const base::DictionaryValue& capability);
  71
  72   // Notifies observers that a printerProvider.onPrintRequested callback has
  73   // been called. Called from
  74   // |PrinterProviderInternalReportPrintResultFunction|.
  75   void NotifyPrintResult(const Extension* extension,
  76                          int request_id,
  77                          api::printer_provider_internal::PrintError error);
  78
  79   // Notifies observers that a printerProvider.onGetUsbPrinterInfoRequested
  80   // callback has been called. Called from
  81   // |PrinterProviderInternalReportUsbPrinterInfoFunction|.
  82   void NotifyGetUsbPrinterInfoResult(
  83       const Extension* extension,
  84       int request_id,
  85       const api::printer_provider::PrinterInfo* printer_info);
  86
  87   base::ObserverList<PrinterProviderInternalAPIObserver> observers_;
  88
  89   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalAPI);
  90 };
  91
  92 class PrinterProviderInternalReportPrintResultFunction
  93     : public UIThreadExtensionFunction {
  94  public:
  95   PrinterProviderInternalReportPrintResultFunction();
  96
  97  protected:
  98   ~PrinterProviderInternalReportPrintResultFunction() override;
  99
 100   ExtensionFunction::ResponseAction Run() override;
 101
 102  private:
 103   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrintResult",
 104                              PRINTERPROVIDERINTERNAL_REPORTPRINTRESULT)
 105
 106   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintResultFunction);
 107 };
 108
 109 class PrinterProviderInternalReportPrinterCapabilityFunction
 110     : public UIThreadExtensionFunction {
 111  public:
 112   PrinterProviderInternalReportPrinterCapabilityFunction();
 113
 114  protected:
 115   ~PrinterProviderInternalReportPrinterCapabilityFunction() override;
 116
 117   ExtensionFunction::ResponseAction Run() override;
 118
 119  private:
 120   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinterCapability",
 121                              PRINTERPROVIDERINTERNAL_REPORTPRINTERCAPABILITY)
 122
 123   DISALLOW_COPY_AND_ASSIGN(
 124       PrinterProviderInternalReportPrinterCapabilityFunction);
 125 };
 126
 127 class PrinterProviderInternalReportPrintersFunction
 128     : public UIThreadExtensionFunction {
 129  public:
 130   PrinterProviderInternalReportPrintersFunction();
 131
 132  protected:
 133   ~PrinterProviderInternalReportPrintersFunction() override;
 134   ExtensionFunction::ResponseAction Run() override;
 135
 136  private:
 137   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinters",
 138                              PRINTERPROVIDERINTERNAL_REPORTPRINTERS)
 139
 140   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintersFunction);
 141 };
 142
 143 class PrinterProviderInternalGetPrintDataFunction
 144     : public UIThreadExtensionFunction {
 145  public:
 146   PrinterProviderInternalGetPrintDataFunction();
 147
 148  protected:
 149   ~PrinterProviderInternalGetPrintDataFunction() override;
 150   ExtensionFunction::ResponseAction Run() override;
 151
 152  private:
 153   void OnBlob(const std::string& type,
 154               int size,
 155               const scoped_refptr<base::RefCountedMemory>& data,
 156               scoped_ptr<content::BlobHandle> blob);
 157   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.getPrintData",
 158                              PRINTERPROVIDERINTERNAL_GETPRINTDATA)
 159
 160   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalGetPrintDataFunction);
 161 };
 162
 163 class PrinterProviderInternalReportUsbPrinterInfoFunction
 164     : public UIThreadExtensionFunction {
 165  public:
 166   PrinterProviderInternalReportUsbPrinterInfoFunction();
 167
 168  protected:
 169   ~PrinterProviderInternalReportUsbPrinterInfoFunction() override;
 170   ExtensionFunction::ResponseAction Run() override;
 171
 172  private:
 173   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportUsbPrinterInfo",
 174                              PRINTERPROVIDERINTERNAL_REPORTUSBPRINTERINFO)
 175
 176   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportUsbPrinterInfoFunction);
 177 };
 178
 179 }  // namespace extensions
 180
 181 #endif  // EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_