Added Header and Footer support using Skia

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/i18n/file_util_icu.h"
 #include "base/json/json_reader.h"
 #include "base/memory/ref_counted.h"
 #include "base/metrics/histogram.h"
 #include "base/path_service.h"
 #include "base/threading/thread.h"
 #include "base/threading/thread_restrictions.h"
 #include "base/utf_string_conversions.h"
-#include "base/values.h"

[Lei Zhang, 2011/07/12 22:04:50]

Why did you remove this?

[Aayush Kumar, 2011/07/13 21:52:16]

Done.

 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/printing/background_printing_manager.h"
 #include "chrome/browser/printing/printer_manager_dialog.h"
 #include "chrome/browser/printing/print_preview_tab_controller.h"
 #include "chrome/browser/sessions/restore_tab_helper.h"
 #include "chrome/browser/tabs/tab_strip_model.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/browser/ui/webui/print_preview_ui.h"
@@ skipping 414 matching lines @@
 
   TabContents* initiator_tab = GetInitiatorTab();
   if (!initiator_tab) {
     if (!reported_failed_preview_) {
       ReportUserActionHistogram(PREVIEW_FAILED);
       reported_failed_preview_ = true;
     }
     print_preview_ui->OnPrintPreviewFailed();
     return;
   }
+
+  bool isHeaderFooter;
+  if (!(settings.get())->GetBoolean(printing::kSettingHeaderFooter,

[kmadhusu, 2011/07/13 18:47:53]

"(settings.get())->" == "settings->"

[Aayush Kumar, 2011/07/13 21:52:16]

Done.

+      &isHeaderFooter))

[Lei Zhang, 2011/07/12 22:04:50]

nit: indentation
nit: braces around NOTREACHED()

[Aayush Kumar, 2011/07/13 21:52:16]

Done.

+    NOTREACHED();
+
+  // If the user has checked the Headers and footers option then we go ahead
+  // and retrieve the page URL and title since we're already in the browser
+  // process and send it along to the renderer along with other print settings.
+  // No point going back to the renderer and then making an explicit call to
+  // the browser process again to retrieve this information.
+  DictionaryValue header_footer_info;
+  if (isHeaderFooter) {
+    header_footer_info.SetString(printing::kSettingHeaderFooterTitle,
+        initiator_tab->GetTitle());
+
+    NavigationEntry* entry = initiator_tab->controller().GetActiveEntry();
+    if (entry)

[Lei Zhang, 2011/07/12 22:04:50]

nit: braces

[Aayush Kumar, 2011/07/13 21:52:16]

Done.

+      header_footer_info.SetString(printing::kSettingHeaderFooterURL,
+          entry->virtual_url().spec());
+    else
+      header_footer_info.SetString(printing::kSettingHeaderFooterURL, "");
+  }
+
   VLOG(1) << "Print preview request start";
   RenderViewHost* rvh = initiator_tab->render_view_host();
-  rvh->Send(new PrintMsg_PrintPreview(rvh->routing_id(), *settings));
+  rvh->Send(new PrintMsg_PrintPreview(rvh->routing_id(), *settings,
+      header_footer_info));

[Lei Zhang, 2011/07/12 22:04:50]

nit: indentation

[Aayush Kumar, 2011/07/13 21:52:16]

Done.

 }
 
 void PrintPreviewHandler::HandlePrint(const ListValue* args) {
   ReportStats();
 
   // Record the number of times the user requests to regenerate preview data
   // before printing.
   UMA_HISTOGRAM_COUNTS("PrintPreview.RegeneratePreviewRequest.BeforePrint",
                        regenerate_preview_request_count_);
 
@@ skipping 273 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());
 }