PrintPreview: While printing the preview data, set the initiator tab title as print job name.

chrome/browser/printing/print_view_manager.cc

 // Copyright (c) 2011 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/printing/print_view_manager.h"
 
 #include "base/memory/scoped_ptr.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/printing/print_job.h"
@@ skipping 42 matching lines @@
   scoped_refptr<PrintedDocument> document(print_job_->document());
   if (document) {
     // If IsComplete() returns false, the document isn't completely rendered.
     // Since our renderer is gone, there's nothing to do, cancel it. Otherwise,
     // the print job may finish without problem.
     TerminatePrintJob(!document->IsComplete());
   }
 }
 
 string16 PrintViewManager::RenderSourceName() {
-  string16 name(tab_contents()->GetTitle());
-  if (name.empty())
-    name = l10n_util::GetStringUTF16(IDS_DEFAULT_PRINT_DOCUMENT_TITLE);
-  return name;
+  if (job_title_.empty()) {
+    string16 name(tab_contents()->GetTitle());
+    if (name.empty())
+      job_title_ = l10n_util::GetStringUTF16(IDS_DEFAULT_PRINT_DOCUMENT_TITLE);
+    else
+      job_title_ = name;
+  }
+  return job_title_;
 }
 
 GURL PrintViewManager::RenderSourceUrl() {
   NavigationEntry* entry = tab_contents()->controller().GetActiveEntry();
   if (entry)
     return entry->virtual_url();
   else
     return GURL();
 }
 
-void PrintViewManager::OnDidGetPrintedPagesCount(int cookie, int number_pages) {
+void PrintViewManager::OnDidGetBasicPrintJobInfo(
+    int cookie, int number_pages, const string16& job_title) {
   DCHECK_GT(cookie, 0);
   DCHECK_GT(number_pages, 0);
   number_pages_ = number_pages;
+  job_title_ = job_title;
+
   if (!OpportunisticallyCreatePrintJob(cookie))
     return;
 
   PrintedDocument* document = print_job_->document();
   if (!document || cookie != document->cookie()) {
     // Out of sync. It may happens since we are completely asynchronous. Old
     // spurious message can happen if one of the processes is overloaded.
     return;
   }
 }
@@ skipping 54 matching lines @@
                     params.page_size,
                     params.content_area,
                     params.has_visible_overlays);
 
   ShouldQuitFromInnerMessageLoop();
 }
 
 bool PrintViewManager::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(PrintViewManager, message)
-    IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetPrintedPagesCount,
-                        OnDidGetPrintedPagesCount)
+    IPC_MESSAGE_HANDLER(PrintHostMsg_DidGetBasicPrintJobInfo,
+                        OnDidGetBasicPrintJobInfo)
     IPC_MESSAGE_HANDLER(PrintHostMsg_DidPrintPage, OnDidPrintPage)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void PrintViewManager::Observe(NotificationType type,
                                const NotificationSource& source,
                                const NotificationDetails& details) {
   switch (type.value) {
@@ skipping 259 matching lines @@
     return false;
   }
 
   // Settings are already loaded. Go ahead. This will set
   // print_job_->is_job_pending() to true.
   print_job_->StartPrinting();
   return true;
 }
 
 }  // namespace printing