content/browser/renderer_host/pepper/pepper_printing_host.cc

   1 // Copyright (c) 2012 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 "content/browser/renderer_host/pepper/pepper_printing_host.h"
   6
   7 #include "ppapi/c/dev/pp_print_settings_dev.h"
   8 #include "ppapi/c/pp_errors.h"
   9 #include "ppapi/host/dispatch_host_message.h"
  10 #include "ppapi/host/host_message_context.h"
  11 #include "ppapi/host/ppapi_host.h"
  12 #include "ppapi/proxy/ppapi_messages.h"
  13
  14 namespace content {
  15
  16 PepperPrintingHost::PepperPrintingHost(
  17     ppapi::host::PpapiHost* host,
  18     PP_Instance instance,
  19     PP_Resource resource,
  20     scoped_ptr<PepperPrintSettingsManager> print_settings_manager)
  21     : ResourceHost(host, instance, resource),
  22       print_settings_manager_(print_settings_manager.Pass()),
  23       weak_factory_(this) {}
  24
  25 PepperPrintingHost::~PepperPrintingHost() {}
  26
  27 int32_t PepperPrintingHost::OnResourceMessageReceived(
  28     const IPC::Message& msg,
  29     ppapi::host::HostMessageContext* context) {
  30   PPAPI_BEGIN_MESSAGE_MAP(PepperPrintingHost, msg)
  31     PPAPI_DISPATCH_HOST_RESOURCE_CALL_0(
  32         PpapiHostMsg_Printing_GetDefaultPrintSettings,
  33         OnGetDefaultPrintSettings)
  34   PPAPI_END_MESSAGE_MAP()
  35   return PP_ERROR_FAILED;
  36 }
  37
  38 int32_t PepperPrintingHost::OnGetDefaultPrintSettings(
  39     ppapi::host::HostMessageContext* context) {
  40   print_settings_manager_->GetDefaultPrintSettings(
  41       base::Bind(&PepperPrintingHost::PrintSettingsCallback,
  42                  weak_factory_.GetWeakPtr(),
  43                  context->MakeReplyMessageContext()));
  44   return PP_OK_COMPLETIONPENDING;
  45 }
  46
  47 void PepperPrintingHost::PrintSettingsCallback(
  48     ppapi::host::ReplyMessageContext reply_context,
  49     PepperPrintSettingsManager::Result result) {
  50   reply_context.params.set_result(result.second);
  51   host()->SendReply(
  52       reply_context,
  53       PpapiPluginMsg_Printing_GetDefaultPrintSettingsReply(result.first));
  54 }
  55
  56 }  // namespace content