Set the content restriction to disable printing in PDFs that disallow it

pdf/out_of_process_instance.cc

 // 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.
 
 #include "pdf/out_of_process_instance.h"
 
 #include <algorithm>  // for min/max()
 #define _USE_MATH_DEFINES  // for M_PI
 #include <cmath>      // for log() and pow()
 #include <math.h>
@@ skipping 1112 matching lines @@
   if (did_call_start_loading_) {
     pp::PDF::DidStopLoading(this);
     did_call_start_loading_ = false;
   }
 
   int content_restrictions =
       CONTENT_RESTRICTION_CUT | CONTENT_RESTRICTION_PASTE;
   if (!engine_->HasPermission(PDFEngine::PERMISSION_COPY))
     content_restrictions |= CONTENT_RESTRICTION_COPY;
 
+  if (!engine_->HasPermission(PDFEngine::PERMISSION_PRINT_LOW_QUALITY) &&
+      !engine_->HasPermission(PDFEngine::PERMISSION_PRINT_HIGH_QUALITY)) {
+    content_restrictions |= CONTENT_RESTRICTION_PRINT;
+  }
+
   pp::PDF::SetContentRestriction(this, content_restrictions);
 
   uma_.HistogramCustomCounts("PDF.PageCount", page_count,
                              1, 1000000, 50);
 }
 
 void OutOfProcessInstance::RotateClockwise() {
   engine_->RotateClockwise();
 }
 
@@ skipping 264 matching lines @@
 pp::FloatPoint OutOfProcessInstance::BoundScrollOffsetToDocument(
     const pp::FloatPoint& scroll_offset) {
   float max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   float x = std::max(std::min(scroll_offset.x(), max_x), 0.0f);
   float max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   float y = std::max(std::min(scroll_offset.y(), max_y), 0.0f);
   return pp::FloatPoint(x, y);
 }
 
 }  // namespace chrome_pdf