ppapi/proxy/printing_resource.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 "ppapi/proxy/printing_resource.h"
   6
   7 #include "base/bind.h"
   8 #include "ipc/ipc_message.h"
   9 #include "ppapi/c/pp_errors.h"
  10 #include "ppapi/proxy/dispatch_reply_message.h"
  11 #include "ppapi/proxy/ppapi_messages.h"
  12
  13 namespace ppapi {
  14 namespace proxy {
  15
  16 PrintingResource::PrintingResource(Connection connection, PP_Instance instance)
  17     : PluginResource(connection, instance) {
  18 }
  19
  20 PrintingResource::~PrintingResource() {
  21 }
  22
  23 thunk::PPB_Printing_API* PrintingResource::AsPPB_Printing_API() {
  24   return this;
  25 }
  26
  27 int32_t PrintingResource::GetDefaultPrintSettings(
  28     PP_PrintSettings_Dev* print_settings,
  29     scoped_refptr<TrackedCallback> callback) {
  30   if (!print_settings)
  31     return PP_ERROR_BADARGUMENT;
  32
  33   if (!sent_create_to_browser())
  34     SendCreate(BROWSER, PpapiHostMsg_Printing_Create());
  35
  36   Call<PpapiPluginMsg_Printing_GetDefaultPrintSettingsReply>(
  37       BROWSER,
  38       PpapiHostMsg_Printing_GetDefaultPrintSettings(),
  39       base::Bind(&PrintingResource::OnPluginMsgGetDefaultPrintSettingsReply,
  40           this, print_settings, callback));
  41   return PP_OK_COMPLETIONPENDING;
  42 }
  43
  44 void PrintingResource::OnPluginMsgGetDefaultPrintSettingsReply(
  45     PP_PrintSettings_Dev* settings_out,
  46     scoped_refptr<TrackedCallback> callback,
  47     const ResourceMessageReplyParams& params,
  48     const PP_PrintSettings_Dev& settings) {
  49   if (params.result() == PP_OK)
  50     *settings_out = settings;
  51
  52   // Notify the plugin of the new data.
  53   callback->Run(params.result());
  54   // DANGER: May delete |this|!
  55 }
  56
  57 }  // namespace proxy
  58 }  // namespace ppapi