Implement limited paged media support for win.

printing/printed_document.cc

 // Copyright (c) 2010 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 "printing/printed_document.h"
 
 #include <algorithm>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 54 matching lines @@
   }
 }
 
 PrintedDocument::~PrintedDocument() {
 }
 
 void PrintedDocument::SetPage(int page_number,
                               NativeMetafile* metafile,
                               double shrink,
                               const gfx::Size& paper_size,
-                              const gfx::Rect& page_rect) {
+                              const gfx::Rect& page_rect,
+                              bool has_visible_overlays) {
   // Notice the page_number + 1, the reason is that this is the value that will
   // be shown. Users dislike 0-based counting.
   scoped_refptr<PrintedPage> page(
       new PrintedPage(page_number + 1,
                       metafile,
                       paper_size,
-                      page_rect));
+                      page_rect,
+                      has_visible_overlays));
   {
     AutoLock lock(lock_);
     mutable_.pages_[page_number] = page;
     if (mutable_.shrink_factor == 0) {
       mutable_.shrink_factor = shrink;
     } else {
       DCHECK_EQ(mutable_.shrink_factor, shrink);
     }
   }
   DebugDump(*page);
@@ skipping 84 matching lines @@
   AutoLock lock(lock_);
   return mutable_.expected_page_count_;
 }
 
 void PrintedDocument::PrintHeaderFooter(gfx::NativeDrawingContext context,
                                         const PrintedPage& page,
                                         PageOverlays::HorizontalPosition x,
                                         PageOverlays::VerticalPosition y,
                                         const gfx::Font& font) const {
   const PrintSettings& settings = immutable_.settings_;
-  if (!settings.use_overlays) {
+  if (!settings.use_overlays || !page.has_visible_overlays()) {
     return;
   }
   const std::wstring& line = settings.overlays.GetOverlay(x, y);
   if (line.empty()) {
     return;
   }
   std::wstring output(PageOverlays::ReplaceVariables(line, *this, page));
   if (output.empty()) {
     // May happen if document name or url is empty.
     return;
@@ skipping 126 matching lines @@
   date_ = win_util::FormatSystemDate(systemtime, std::wstring());
   time_ = win_util::FormatSystemTime(systemtime, std::wstring());
 #else  // OS_WIN
   Time now = Time::Now();
   date_ = base::TimeFormatShortDateNumeric(now);
   time_ = base::TimeFormatTimeOfDay(now);
 #endif  // OS_WIN
 }
 
 }  // namespace printing