Added PrintingContext::Delegate to get parent view handle and application locale.

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 <map>
 #include <string>
@@ skipping 46 matching lines @@
 #include "components/cloud_devices/common/cloud_devices_urls.h"
 #include "components/cloud_devices/common/printer_description.h"
 #include "components/signin/core/browser/account_reconcilor.h"
 #include "components/signin/core/browser/profile_oauth2_token_service.h"
 #include "components/signin/core/browser/signin_manager.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/browser/web_ui.h"
 #include "google_apis/gaia/oauth2_token_service.h"
 #include "printing/backend/print_backend.h"
 #include "printing/backend/print_backend_consts.h"
 #include "printing/metafile.h"
 #include "printing/metafile_impl.h"
 #include "printing/pdf_render_settings.h"
 #include "printing/print_settings.h"
@@ skipping 177 matching lines @@
   DCHECK_CURRENTLY_ON(BrowserThread::FILE);
 
   scoped_refptr<printing::PrintBackend> print_backend(
       printing::PrintBackend::CreateInstance(NULL));
 
   std::string default_printer = print_backend->GetDefaultPrinterName();
   VLOG(1) << "Default Printer: " << default_printer;
   return default_printer;
 }
 
+class PrintingContextDelegate : public printing::PrintingContext::Delegate {
+ public:
+  // PrintingContext::Delegate methods.
+  virtual gfx::NativeView GetParentView() OVERRIDE { return NULL; }
+  virtual std::string GetAppLocale() OVERRIDE {
+    return g_browser_process->GetApplicationLocale();
+  }
+};
+
 gfx::Size GetDefaultPdfMediaSizeMicrons() {
+  PrintingContextDelegate delegate;
   scoped_ptr<printing::PrintingContext> printing_context(
-      printing::PrintingContext::Create(
-          g_browser_process->GetApplicationLocale()));
+      printing::PrintingContext::Create(&delegate));
   if (printing::PrintingContext::OK != printing_context->UsePdfSettings() ||
       printing_context->settings().device_units_per_inch() <= 0) {
     return gfx::Size();
   }
   gfx::Size pdf_media_size = printing_context->GetPdfPaperSizeDeviceUnits();
   float deviceMicronsPerDeviceUnit =
       (printing::kHundrethsMMPerInch * 10.0f) /
       printing_context->settings().device_units_per_inch();
   return gfx::Size(pdf_media_size.width() * deviceMicronsPerDeviceUnit,
                    pdf_media_size.height() * deviceMicronsPerDeviceUnit);
@@ skipping 550 matching lines @@
 
     // This tries to activate the initiator as well, so do not clear the
     // association with the initiator yet.
     PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
         web_ui()->GetController());
     print_preview_ui->OnHidePreviewDialog();
 
     // Do this so the initiator can open a new print preview dialog, while the
     // current print preview dialog is still handling its print job.
     WebContents* initiator = GetInitiator();
+    if (initiator) {
+      // Save initiator IDs. |PrintingMessageFilter::OnUpdatePrintSettings|
+      // would be called when initiator info is cleared.
+      settings->SetInteger(printing::kPreviewInitiatorHostId,
+                           initiator->GetRenderProcessHost()->GetID());
+      settings->SetInteger(printing::kPreviewInitiatorRoutingId,
+                           initiator->GetRoutingID());
+    }
+
     ClearInitiatorDetails();
 
     // The PDF being printed contains only the pages that the user selected,
     // so ignore the page range and print all pages.
     settings->Remove(printing::kSettingPageRange, NULL);
     // Reset selection only flag for the same reason.
     settings->SetBoolean(printing::kSettingShouldPrintSelectionOnly, false);
 
     // Set ID to know whether printing is for preview.
     settings->SetInteger(printing::kPreviewUIID,
@@ skipping 165 matching lines @@
   WebContents* initiator = GetInitiator();
   if (!initiator)
     return;
 
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(initiator);
   print_view_manager->set_observer(this);
   print_view_manager->PrintForSystemDialogNow();
 
   // Cancel the pending preview request if exists.
-  PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(
-      web_ui()->GetController());
+  PrintPreviewUI* print_preview_ui =
+      static_cast<PrintPreviewUI*>(web_ui()->GetController());
   print_preview_ui->OnCancelPendingPreviewRequest();
 }
 
 void PrintPreviewHandler::HandleManagePrinters(
     const base::ListValue* /*args*/) {
   ++manage_printers_dialog_request_count_;
   printing::PrinterManagerDialog::ShowPrinterManagerDialog();
 }
 
 void PrintPreviewHandler::HandlePrintWithCloudPrintDialog(
@@ skipping 521 matching lines @@
 
 void PrintPreviewHandler::UnregisterForMergeSession() {
   if (reconcilor_)
     reconcilor_->RemoveMergeSessionObserver(this);
 }
 
 void PrintPreviewHandler::SetPdfSavedClosureForTesting(
     const base::Closure& closure) {
   pdf_file_saved_closure_ = closure;
 }