Print Preview: Store preview data in the print preview handler....

chrome/browser/printing/print_preview_message_handler.h

+// 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.
+
+#ifndef CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
+#define CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_
+#pragma once
+
+#include "chrome/browser/tab_contents/web_navigation_observer.h"
+
+struct ViewHostMsg_DidPreviewDocument_Params;
+
+namespace printing {
+
+class PrintPreviewMessageHandler : public WebNavigationObserver {
+ public:
+  explicit PrintPreviewMessageHandler(TabContents* owner);
+  ~PrintPreviewMessageHandler();

[James Hawkins, 2011/01/31 18:39:38]

virtual

[Lei Zhang, 2011/01/31 22:15:51]

Done.

+
+  void OnPagesReadyForPreview(
+      const ViewHostMsg_DidPreviewDocument_Params& params);
+  // WebNavigationObserver implementation.

[James Hawkins, 2011/01/31 18:39:38]

Blank line above this line.

[Lei Zhang, 2011/01/31 22:15:51]

Done.

+  virtual bool OnMessageReceived(const IPC::Message& message);
+
+ private:
+  TabContents* GetOrCreatePrintPreviewTab();

[James Hawkins, 2011/01/31 18:39:38]

Document.

[Lei Zhang, 2011/01/31 22:15:51]

Done.

+
+  TabContents* owner_;

[James Hawkins, 2011/01/31 18:39:38]

Document.

[Lei Zhang, 2011/01/31 22:15:51]

Done.

+
+  DISALLOW_COPY_AND_ASSIGN(PrintPreviewMessageHandler);
+};
+
+}  // namespace printing
+
+#endif  // CHROME_BROWSER_PRINTING_PRINT_PREVIEW_MESSAGE_HANDLER_H_