[Chrome] Support NumCopies print preset

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 116 matching lines @@
 // Rotation (Page -> Plugin)
 const char kJSRotateClockwiseType[] = "rotateClockwise";
 const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
 
 const int kFindResultCooldownMs = 100;
 
 const double kMinZoom = 0.01;
 
 namespace {
 
-static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
+static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_2;
 
 PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
   pp::Var var;
   void* object = pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
   if (object) {
     var = static_cast<OutOfProcessInstance*>(object)->GetLinkAtPosition(
         pp::Point(point));
   }
   return var.Detach();
 }
 
 void Transform(PP_Instance instance, PP_PrivatePageTransformType type) {
   void* object =
       pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
   if (object) {
     OutOfProcessInstance* obj_instance =
         static_cast<OutOfProcessInstance*>(object);
     switch (type) {
       case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CW:
         obj_instance->RotateClockwise();
         break;
       case PP_PRIVATEPAGETRANSFORMTYPE_ROTATE_90_CCW:
         obj_instance->RotateCounterclockwise();
         break;
     }
   }
 }
 
+PP_Bool GetPrintPresetOptionsFromDocument(PP_Instance instance,
+                                          PP_PrintPresetOptions_Dev& options) {
+  void* object = pp::Instance::GetPerInstanceObject(instance, kPPPPdfInterface);
+  PP_Bool ret = PP_FALSE;
+  if (object)
+    ret = static_cast<OutOfProcessInstance*>(object)
+              ->GetPrintPresetOptionsFromDocument(options);

[dmichael (off chromium), 2014/09/22 18:11:51]

ditto, style looks off. just make an obj_instance variable.

Also, please use curly braces for an if that takes multiple lines, even if it's
only 1 expression.

[Nikhil, 2014/09/23 10:32:28]

Done.

+  return ret;
+}
+
 const PPP_Pdf ppp_private = {
   &GetLinkAtPosition,
-  &Transform
+  &Transform,
+  &GetPrintPresetOptionsFromDocument
 };
 
 int ExtractPrintPreviewPageIndex(const std::string& src_url) {
   // Sample |src_url| format: chrome://print/id/page_index/print.pdf
   std::vector<std::string> url_substr;
   base::SplitString(src_url.substr(strlen(kChromePrint)), '/', &url_substr);
   if (url_substr.size() != 3)
     return -1;
 
   if (url_substr[2] != "print.pdf")
@@ skipping 357 matching lines @@
   }
 
   if (!stop_scrolling_) {
     pp::Point scroll_offset(
         BoundScrollOffsetToDocument(view.GetScrollOffset()));
     engine_->ScrolledToXPosition(scroll_offset.x() * device_scale_);
     engine_->ScrolledToYPosition(scroll_offset.y() * device_scale_);
   }
 }
 
+PP_Bool OutOfProcessInstance::GetPrintPresetOptionsFromDocument(
+    PP_PrintPresetOptions_Dev& options) {
+  options.is_scaling_disabled = PP_FromBool(IsPrintScalingDisabled());
+  options.copies = engine_->GetCopiesToPrint();
+
+  return PP_TRUE;
+}
+
 pp::Var OutOfProcessInstance::GetLinkAtPosition(
     const pp::Point& point) {
   pp::Point offset_point(point);
   ScalePoint(device_scale_, &offset_point);
   offset_point.set_x(offset_point.x() - available_area_.x());
   return engine_->GetLinkAtPosition(offset_point);
 }
 
 pp::Var OutOfProcessInstance::GetSelectedText(bool html) {
   if (html || !engine_->HasPermission(PDFEngine::PERMISSION_COPY))
@@ skipping 810 matching lines @@
 pp::Point OutOfProcessInstance::BoundScrollOffsetToDocument(
     const pp::Point& scroll_offset) {
   int max_x = document_size_.width() * zoom_ - plugin_dip_size_.width();
   int x = std::max(std::min(scroll_offset.x(), max_x), 0);
   int max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   int y = std::max(std::min(scroll_offset.y(), max_y), 0);
   return pp::Point(x, y);
 }
 
 }  // namespace chrome_pdf