Print Preview: Provide a link to try printing with the system dialog when print preview fails. Al...

chrome/browser/ui/webui/print_preview_handler.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/ui/webui/print_preview_handler.h"
 
 #include <string>
 
 #include "base/base64.h"
 #if !defined(OS_CHROMEOS)
@@ skipping 58 matching lines @@
 #endif
 
 enum UserActionBuckets {
   PRINT_TO_PRINTER,
   PRINT_TO_PDF,
   CANCEL,
   FALLBACK_TO_ADVANCED_SETTINGS_DIALOG,
   PREVIEW_FAILED,
   PREVIEW_STARTED,
   INITIATOR_TAB_CRASHED,
+  INITIATOR_TAB_CLOSED,
   USERACTION_BUCKET_BOUNDARY
 };
 
 enum PrintSettingsBuckets {
   LANDSCAPE,
   PORTRAIT,
   COLOR,
   BLACK_AND_WHITE,
   COLLATE,
   SIMPLEX,
@@ skipping 399 matching lines @@
   // when calling PrintPreviewUI::GetCurrentPrintPreviewStatus() on the IO
   // thread.
   settings->SetString(printing::kPreviewUIAddr,
                       print_preview_ui->GetPrintPreviewUIAddress());
 
   // Increment request count.
   ++regenerate_preview_request_count_;
 
   TabContents* initiator_tab = GetInitiatorTab();
   if (!initiator_tab) {
-    if (!reported_failed_preview_) {
-      ReportUserActionHistogram(PREVIEW_FAILED);
-      reported_failed_preview_ = true;
-    }
-    print_preview_ui->OnPrintPreviewFailed();
+    ReportUserActionHistogram(INITIATOR_TAB_CLOSED);
+    print_preview_ui->OnInitiatorTabClosed();
     return;
   }
 
   // Retrieve the page title and url and send it to the renderer process if
   // headers and footers are to be displayed.
   bool display_header_footer = false;
   if (!settings->GetBoolean(printing::kSettingHeaderFooterEnabled,
                             &display_header_footer)) {
     NOTREACHED();
   }
@@ skipping 366 matching lines @@
 void PrintPreviewHandler::OnTabDestroyed() {
   TabContents* initiator_tab = GetInitiatorTab();
   if (!initiator_tab)
     return;
 
   TabContentsWrapper* wrapper =
       TabContentsWrapper::GetCurrentWrapperForContents(initiator_tab);
   wrapper->print_view_manager()->set_observer(NULL);
 }
 
+void PrintPreviewHandler::OnPrintPreviewFailed() {
+  if (reported_failed_preview_)
+    return;
+  reported_failed_preview_ = true;
+  ReportUserActionHistogram(PREVIEW_FAILED);
+}
+
 void PrintPreviewHandler::FileSelected(const FilePath& path,
                                        int index, void* params) {
   PrintPreviewUI* print_preview_ui = static_cast<PrintPreviewUI*>(web_ui_);
   scoped_refptr<RefCountedBytes> data;
   print_preview_ui->GetPrintPreviewDataForIndex(
       printing::COMPLETE_PREVIEW_DOCUMENT_INDEX, &data);
   if (!data.get()) {
     NOTREACHED();
     return;
   }
@@ skipping 29 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());
 }