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
  52   // BrowserContextKeyedAPI implementation.
  53   static const bool kServiceRedirectedInIncognito = true;
  54   static const char* service_name() { return "PrinterProviderInternal"; }
  55
  56   // Notifies observers that a printerProvider.onGetPrintersRequested callback
  57   // has been called. Called from
  58   // |PrinterProviderInternalReportPrintersFunction|.
  59   void NotifyGetPrintersResult(
  60       const Extension* extension,
  61       int request_id,
  62       const PrinterProviderInternalAPIObserver::PrinterInfoVector& printers);
  63
  64   // Notifies observers that a printerProvider.onGetCapabilityRequested callback
  65   // has been called. Called from
  66   // |PrinterProviderInternalReportPrinterCapabilityFunction|.
  67   void NotifyGetCapabilityResult(const Extension* extension,
  68                                  int request_id,
  69                                  const base::DictionaryValue& capability);
  70
  71   // Notifies observers that a printerProvider.onPrintRequested callback has
  72   // been called. Called from
  73   // |PrinterProviderInternalReportPrintResultFunction|.
  74   void NotifyPrintResult(const Extension* extension,
  75                          int request_id,
  76                          core_api::printer_provider_internal::PrintError error);
  77
  78   ObserverList<PrinterProviderInternalAPIObserver> observers_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalAPI);
  81 };
  82
  83 class PrinterProviderInternalReportPrintResultFunction
  84     : public UIThreadExtensionFunction {
  85  public:
  86   PrinterProviderInternalReportPrintResultFunction();
  87
  88  protected:
  89   ~PrinterProviderInternalReportPrintResultFunction() override;
  90
  91   ExtensionFunction::ResponseAction Run() override;
  92
  93  private:
  94   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrintResult",
  95                              PRINTERPROVIDERINTERNAL_REPORTPRINTRESULT)
  96
  97   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintResultFunction);
  98 };
  99
 100 class PrinterProviderInternalReportPrinterCapabilityFunction
 101     : public UIThreadExtensionFunction {
 102  public:
 103   PrinterProviderInternalReportPrinterCapabilityFunction();
 104
 105  protected:
 106   ~PrinterProviderInternalReportPrinterCapabilityFunction() override;
 107
 108   ExtensionFunction::ResponseAction Run() override;
 109
 110  private:
 111   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinterCapability",
 112                              PRINTERPROVIDERINTERNAL_REPORTPRINTERCAPABILITY)
 113
 114   DISALLOW_COPY_AND_ASSIGN(
 115       PrinterProviderInternalReportPrinterCapabilityFunction);
 116 };
 117
 118 class PrinterProviderInternalReportPrintersFunction
 119     : public UIThreadExtensionFunction {
 120  public:
 121   PrinterProviderInternalReportPrintersFunction();
 122
 123  protected:
 124   ~PrinterProviderInternalReportPrintersFunction() override;
 125   ExtensionFunction::ResponseAction Run() override;
 126
 127  private:
 128   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.reportPrinters",
 129                              PRINTERPROVIDERINTERNAL_REPORTPRINTERS)
 130
 131   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalReportPrintersFunction);
 132 };
 133
 134 class PrinterProviderInternalGetPrintDataFunction
 135     : public UIThreadExtensionFunction {
 136  public:
 137   PrinterProviderInternalGetPrintDataFunction();
 138
 139  protected:
 140   ~PrinterProviderInternalGetPrintDataFunction() override;
 141   ExtensionFunction::ResponseAction Run() override;
 142
 143  private:
 144   void OnBlob(const std::string& type,
 145               int size,
 146               const scoped_refptr<base::RefCountedMemory>& data,
 147               scoped_ptr<content::BlobHandle> blob);
 148   DECLARE_EXTENSION_FUNCTION("printerProviderInternal.getPrintData",
 149                              PRINTERPROVIDERINTERNAL_GETPRINTDATA)
 150
 151   DISALLOW_COPY_AND_ASSIGN(PrinterProviderInternalGetPrintDataFunction);
 152 };
 153
 154 }  // namespace extensions
 155
 156 #endif  // EXTENSIONS_BROWSER_API_PRINTER_PROVIDER_INTERNAL_PRINTER_PROVIDER_INTERNAL_API_H_