chrome/browser/ui/webui/print_preview/extension_printer_handler.cc

   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 #include "chrome/browser/ui/webui/print_preview/extension_printer_handler.h"
   6
   7 #include "base/bind.h"
   8 #include "base/callback.h"
   9 #include "base/values.h"
  10 #include "extensions/browser/api/printer_provider/printer_provider_api.h"
  11
  12 ExtensionPrinterHandler::ExtensionPrinterHandler(
  13     content::BrowserContext* browser_context)
  14     : browser_context_(browser_context), weak_ptr_factory_(this) {
  15 }
  16
  17 ExtensionPrinterHandler::~ExtensionPrinterHandler() {
  18 }
  19
  20 void ExtensionPrinterHandler::Reset() {
  21   // TODO(tbarzic): Keep track of pending request ids issued by |this| and
  22   // cancel them from here.
  23   weak_ptr_factory_.InvalidateWeakPtrs();
  24 }
  25
  26 void ExtensionPrinterHandler::StartGetPrinters(
  27     const PrinterHandler::GetPrintersCallback& callback) {
  28   extensions::PrinterProviderAPI::GetFactoryInstance()
  29       ->Get(browser_context_)
  30       ->DispatchGetPrintersRequested(
  31           base::Bind(&ExtensionPrinterHandler::WrapGetPrintersCallback,
  32                      weak_ptr_factory_.GetWeakPtr(), callback));
  33 }
  34
  35 void ExtensionPrinterHandler::StartGetCapability(
  36     const std::string& destination_id,
  37     const PrinterHandler::GetCapabilityCallback& callback) {
  38   extensions::PrinterProviderAPI::GetFactoryInstance()
  39       ->Get(browser_context_)
  40       ->DispatchGetCapabilityRequested(
  41           destination_id,
  42           base::Bind(&ExtensionPrinterHandler::WrapGetCapabilityCallback,
  43                      weak_ptr_factory_.GetWeakPtr(), callback, destination_id));
  44 }
  45
  46 void ExtensionPrinterHandler::StartPrint(
  47     const base::DictionaryValue& print_job_settings,
  48     const scoped_refptr<base::RefCountedMemory>& print_data,
  49     const PrinterHandler::PrintCallback& callback) {
  50   // TODO(tbarzic): Implement this.
  51   WrapPrintCallback(callback, false, "NOT_IMPLEMENTED");
  52 }
  53
  54 void ExtensionPrinterHandler::WrapGetPrintersCallback(
  55     const PrinterHandler::GetPrintersCallback& callback,
  56     const base::ListValue& printers,
  57     bool done) {
  58   callback.Run(printers, done);
  59 }
  60
  61 void ExtensionPrinterHandler::WrapGetCapabilityCallback(
  62     const PrinterHandler::GetCapabilityCallback& callback,
  63     const std::string& destination_id,
  64     const base::DictionaryValue& capability) {
  65   callback.Run(destination_id, capability);
  66 }
  67
  68 void ExtensionPrinterHandler::WrapPrintCallback(
  69     const PrinterHandler::PrintCallback& callback,
  70     bool success,
  71     const std::string& status) {
  72   callback.Run(success, status);
  73 }