Initial support for cloudprint in print preview

chrome/renderer/print_web_view_helper.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_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #pragma once
 
+#include <string>
+
 #include "base/memory/scoped_ptr.h"
 #include "base/shared_memory.h"
 #include "base/time.h"
 #include "content/renderer/render_view_observer.h"
 #include "content/renderer/render_view_observer_tracker.h"
 #include "printing/metafile.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebFrameClient.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebViewClient.h"
 #include "ui/gfx/size.h"
 
@@ skipping 51 matching lines @@
                            public RenderViewObserverTracker<PrintWebViewHelper>,
                            public WebKit::WebViewClient,
                            public WebKit::WebFrameClient {
  public:
   explicit PrintWebViewHelper(RenderView* render_view);
   virtual ~PrintWebViewHelper();
 
  protected:
   // WebKit::WebViewClient override:
   virtual void didStopLoading();
-
  private:
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperTest,
                            BlockScriptInitiatedPrinting);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperTest, OnPrintPages);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperPreviewTest, OnPrintPreview);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperPreviewTest, OnPrintPreviewFail);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperPreviewTest,
                            OnPrintForPrintPreview);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperPreviewTest,
                            OnPrintForPrintPreviewFail);
 
 #if defined(OS_WIN) || defined(OS_MACOSX)
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperTest, PrintLayoutTest);
   FRIEND_TEST_ALL_PREFIXES(PrintWebViewHelperTest, PrintWithIframe);
 #endif  // defined(OS_WIN) || defined(OS_MACOSX)
 
   // RenderViewObserver implementation.
   virtual bool OnMessageReceived(const IPC::Message& message);
   virtual void PrintPage(WebKit::WebFrame* frame);
 
   // Message handlers ---------------------------------------------------------
 
+  // Setup or teardown a whitelist allowing the

[Lei Zhang, 2011/06/14 01:08:08]

Remove?

[Albert Bodenhamer, 2011/06/14 19:43:54]

Done.

+  // print preview page to communicate with cloud print.
+  void OnPrintSetupWhitelist(std::string host);
+  void OnPrintTeardownWhitelist(std::string host);
+
   // Print the document.
   void OnPrintPages();
 
   // Initiate print preview.
   void OnInitiatePrintPreview();
 
   // Generate a print preview using |settings|.
   void OnPrintPreview(const DictionaryValue& settings);
 
   // Print / preview the node under the context menu.
@@ skipping 157 matching lines @@
   int user_cancelled_scripted_print_count_;
 
   // Let the browser process know of a printing failure. Only set to false when
   // the failure came from the browser in the first place.
   bool notify_browser_of_print_failure_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
 #endif  // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_