Implement Printer Preference Persistence (Step 1/3)

chrome/browser/printing/page_overlays.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// Copyright (c) 2006-2009 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/page_overlays.h"
 
 #include "base/logging.h"
 #include "base/string_util.h"
 #include "chrome/browser/printing/printed_document.h"
 #include "chrome/browser/printing/printed_page.h"
 #include "chrome/common/gfx/text_elider.h"
@@ skipping 65 matching lines @@
           return top_right;
         case BOTTOM:
           return bottom_right;
       }
       break;
   }
   NOTREACHED();
   return EmptyWString();
 }
 
+void PageOverlays::SetOverlay(HorizontalPosition x, VerticalPosition y,
+                              std::wstring& input) {
+  switch (x) {
+    case LEFT:
+      switch (y) {
+        case TOP:
+          top_left = input;
+          break;
+        case BOTTOM:
+          bottom_left = input;
+          break;
+        default:
+          NOTREACHED();
+          break;
+      }
+      break;
+    case CENTER:
+      switch (y) {
+        case TOP:
+          top_center = input;
+          break;
+        case BOTTOM:
+          bottom_center = input;
+          break;
+        default:
+          NOTREACHED();
+          break;
+      }
+      break;
+    case RIGHT:
+      switch (y) {
+        case TOP:
+          top_right = input;
+          break;
+        case BOTTOM:
+          bottom_right = input;
+          break;
+        default:
+          NOTREACHED();
+          break;
+      }
+      break;
+    default:
+      NOTREACHED();
+      break;
+  }
+}
+
 //static
 std::wstring PageOverlays::ReplaceVariables(const std::wstring& input,
                                             const PrintedDocument& document,
                                             const PrintedPage& page) {
   std::wstring output(input);
   for (size_t offset = output.find(L'{', 0);
        offset != std::wstring::npos;
        offset = output.find(L'{', offset)) {
 
     if (0 == output.compare(offset,
@@ skipping 52 matching lines @@
                           UTF8ToWide(document.url().spec()));
     } else {
       // There is just a { in the string.
       ++offset;
     }
   }
   return output;
 }
 
 }  // namespace printing