Printing selection from context menu.

chrome/renderer/printing/print_web_view_helper.h

 // Copyright (c) 2012 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_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_
 #define CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_
 
 #include <vector>
 
 #include "base/gtest_prod_util.h"
@@ skipping 66 matching lines @@
     PREVIEW_ERROR_ZERO_PAGES,
     PREVIEW_ERROR_MAC_DRAFT_METAFILE_INIT_FAILED,
     PREVIEW_ERROR_PAGE_RENDERED_WITHOUT_METAFILE,
     PREVIEW_ERROR_UPDATING_PRINT_SETTINGS,
     PREVIEW_ERROR_INVALID_PRINTER_SETTINGS,
     PREVIEW_ERROR_LAST_ENUM  // Always last.
   };
 
   enum PrintPreviewRequestType {
     PRINT_PREVIEW_USER_INITIATED_ENTIRE_FRAME,
+    PRINT_PREVIEW_USER_INITIATED_SELECTION,
     PRINT_PREVIEW_USER_INITIATED_CONTEXT_NODE,
     PRINT_PREVIEW_SCRIPTED  // triggered by window.print().
   };
 
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void PrintPage(WebKit::WebFrame* frame, bool user_initiated) OVERRIDE;
 
   // Message handlers ---------------------------------------------------------
 
@@ skipping 29 matching lines @@
   // (2) Source is PDF. This is the first preview request and print scaling
   // option is disabled for initiator renderer plugin.
   //
   // In all other cases, we scale the source page to fit the printable area.
   WebKit::WebPrintScalingOption GetPrintScalingOption(
       bool source_is_html,
       const base::DictionaryValue& job_settings,
       const PrintMsg_Print_Params& params);
 
   // Initiate print preview.
-  void OnInitiatePrintPreview();
+  void OnInitiatePrintPreview(bool selection_only);
 
   // Start the process of generating a print preview using |settings|.
   void OnPrintPreview(const base::DictionaryValue& settings);
 
   // Prepare frame for creating preview document.
   void PrepareFrameForPreviewDocument();
 
   // Continue creating preview document.
   void OnFramePreparedForPreviewDocument();
 
@@ skipping 306 matching lines @@
   };
 
   bool print_node_in_progress_;
   PrintPreviewContext print_preview_context_;
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
 }  // namespace printing
 
 #endif  // CHROME_RENDERER_PRINTING_PRINT_WEB_VIEW_HELPER_H_