Moves HTTP POST handling to JS.

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

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/webui/print_preview/print_preview_handler.h"
 
 #include <ctype.h>
 
 #include <string>
 
@@ skipping 422 matching lines @@
   open_pdf_in_preview = settings->HasKey(printing::kSettingOpenPDFInPreview);
 #endif
 
   if (!open_pdf_in_preview) {
     settings->GetBoolean(printing::kSettingPrintToPDF, &print_to_pdf);
     settings->GetBoolean(printing::kSettingCloudPrintDialog, &is_cloud_dialog);
     is_cloud_printer = settings->HasKey(printing::kSettingCloudPrintId);
   }
 
   if (is_cloud_printer) {
-    std::string print_ticket;
-    bool res = args->GetString(1, &print_ticket);
-    DCHECK(res);
-    SendCloudPrintJob(*settings, print_ticket);
+    SendCloudPrintJob();
   } else if (print_to_pdf) {
     HandlePrintToPdf(*settings);
   } else if (is_cloud_dialog) {
     HandlePrintWithCloudPrint(NULL);
   } else {
     ReportPrintSettingsStats(*settings);
     ReportUserActionHistogram(PRINT_TO_PRINTER);
     UMA_HISTOGRAM_COUNTS("PrintPreview.PageCount.PrintToPrinter",
                          GetPageCountFromSettingsDictionary(*settings));
 
@@ skipping 331 matching lines @@
   Profile* profile = Profile::FromBrowserContext(
       preview_web_contents()->GetBrowserContext());
   PrefService* prefs = profile->GetPrefs();
   if (prefs->GetBoolean(prefs::kCloudPrintSubmitEnabled)) {
     GURL gcp_url(CloudPrintURL(profile).GetCloudPrintServiceURL());
     base::StringValue gcp_url_value(gcp_url.spec());
     web_ui()->CallJavascriptFunction("setUseCloudPrint", gcp_url_value);
   }
 }
 
-void PrintPreviewHandler::SendCloudPrintJob(const DictionaryValue& settings,
-                                            std::string print_ticket) {
+void PrintPreviewHandler::SendCloudPrintJob() {
   ReportUserActionHistogram(PRINT_WITH_CLOUD_PRINT);
   scoped_refptr<base::RefCountedBytes> data;
   PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
       web_ui()->GetController());
   print_preview_ui->GetPrintPreviewDataForIndex(
       printing::COMPLETE_PREVIEW_DOCUMENT_INDEX, &data);
   if (data.get() && data->size() > 0U && data->front()) {
-    printing::PrintViewManager* print_view_manager =
-        printing::PrintViewManager::FromWebContents(
-            preview_tab_contents()->web_contents());
-    string16 print_job_title_utf16 = print_view_manager->RenderSourceName();
-    std::string print_job_title = UTF16ToUTF8(print_job_title_utf16);
-    std::string printer_id;
-    settings.GetString(printing::kSettingCloudPrintId, &printer_id);
     // BASE64 encode the job data.
     std::string raw_data(reinterpret_cast<const char*>(data->front()),
                          data->size());
     std::string base64_data;
     if (!base::Base64Encode(raw_data, &base64_data)) {
       NOTREACHED() << "Base64 encoding PDF data.";
     }
-
-    const char boundary[] = "----CloudPrintFormBoundaryjc9wuprokl8i";
-    const char prolog[] = "--%s\r\n"
-      "Content-Disposition: form-data; name=\"capabilities\"\r\n\r\n%s\r\n"
-      "--%s\r\n"
-      "Content-Disposition: form-data; name=\"contentType\"\r\n\r\ndataUrl\r\n"
-      "--%s\r\n"
-      "Content-Disposition: form-data; name=\"title\"\r\n\r\n%s\r\n"
-      "--%s\r\n"
-      "Content-Disposition: form-data; name=\"printerid\"\r\n\r\n%s\r\n"
-      "--%s\r\n"
-      "Content-Disposition: form-data; name=\"content\"\r\n\r\n"
-      "data:application/pdf;base64,%s\r\n"
-      "--%s\r\n";
-
-    // TODO(abodenha@chromium.org) This implies a large copy operation.
-    // Profile this and optimize if necessary.
-    std::string final_data;
-    base::SStringPrintf(&final_data,
-                        prolog,
-                        boundary,
-                        print_ticket.c_str(),
-                        boundary,
-                        boundary,
-                        print_job_title.c_str(),
-                        boundary,
-                        printer_id.c_str(),
-                        boundary,
-                        base64_data.c_str(),
-                        boundary);
-
-    StringValue data_value(final_data);
+    StringValue data_value(base64_data);
 
     web_ui()->CallJavascriptFunction("printToCloud", data_value);
   } else {
     NOTREACHED();
   }
 }
 
 TabContents* PrintPreviewHandler::GetInitiatorTab() const {
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
@@ skipping 111 matching lines @@
     return;
 
   // We no longer require the initiator tab details. Remove those details
   // associated with the preview tab to allow the initiator tab to create
   // another preview tab.
   printing::PrintPreviewTabController* tab_controller =
       printing::PrintPreviewTabController::GetInstance();
   if (tab_controller)
     tab_controller->EraseInitiatorTabInfo(preview_tab_contents());
 }