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      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
     59