Print Preview: Hook up the print button to initiate a normal print operation....

chrome/renderer/render_view.cc

 // 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.
 
 #include "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <vector>
@@ skipping 958 matching lines @@
 
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(RenderView, message)
     IPC_MESSAGE_HANDLER(ViewMsg_CaptureThumbnail, OnCaptureThumbnail)
     IPC_MESSAGE_HANDLER(ViewMsg_CaptureSnapshot, OnCaptureSnapshot)
     IPC_MESSAGE_HANDLER(ViewMsg_PrintPages, OnPrintPages)
     IPC_MESSAGE_HANDLER(ViewMsg_PrintingDone, OnPrintingDone)
     IPC_MESSAGE_HANDLER(ViewMsg_PrintPreview, OnPrintPreview)
     IPC_MESSAGE_HANDLER(ViewMsg_PrintNodeUnderContextMenu,
                         OnPrintNodeUnderContextMenu)
+    IPC_MESSAGE_HANDLER(ViewMsg_PrintForPrintPreview,
+                        OnPrintForPrintPreview)
     IPC_MESSAGE_HANDLER(ViewMsg_Navigate, OnNavigate)
     IPC_MESSAGE_HANDLER(ViewMsg_Stop, OnStop)
     IPC_MESSAGE_HANDLER(ViewMsg_ReloadFrame, OnReloadFrame)
     IPC_MESSAGE_HANDLER(ViewMsg_Undo, OnUndo)
     IPC_MESSAGE_HANDLER(ViewMsg_Redo, OnRedo)
     IPC_MESSAGE_HANDLER(ViewMsg_Cut, OnCut)
     IPC_MESSAGE_HANDLER(ViewMsg_Copy, OnCopy)
 #if defined(OS_MACOSX)
     IPC_MESSAGE_HANDLER(ViewMsg_CopyToFindPboard, OnCopyToFindPboard)
 #endif
@@ skipping 184 matching lines @@
     NOTREACHED();
     return;
   }
 
   // Make a copy of the node, since we will do a sync call to the browser and
   // during that time OnContextMenuClosed might reset context_menu_node_.
   WebNode context_menu_node(context_menu_node_);
   GetPrintWebViewHelper()->PrintNode(&context_menu_node, false, false);
 }
 
+void RenderView::OnPrintForPrintPreview() {
+  WebFrame* main_frame = webview() ? webview()->mainFrame() : NULL;
+  if (!main_frame)
+    return;
+
+  WebDocument document = main_frame->document();
+  // <object> with id="pdf-viewer" is created in
+  // chrome/browser/resources/print_preview.js
+  WebElement element = document.getElementById("pdf-viewer");
+  if (element.isNull()) {
+    NOTREACHED();
+    return;
+  }
+
+  GetPrintWebViewHelper()->PrintNode(&element, false, false);
+}
+
 void RenderView::CapturePageInfo(int load_id, bool preliminary_capture) {
   if (load_id != page_id_)
     return;  // this capture call is no longer relevant due to navigation
   if (load_id == last_indexed_page_id_)
     return;  // we already indexed this page
 
   if (!webview())
     return;
 
   WebFrame* main_frame = webview()->mainFrame();
@@ skipping 4580 matching lines @@
   }
 }
 
 void RenderView::OnContextMenuClosed(
     const webkit_glue::CustomContextMenuContext& custom_context) {
   if (custom_context.is_pepper_menu)
     pepper_delegate_.OnContextMenuClosed(custom_context);
   else
     context_menu_node_.reset();
 }