Add print and getSelectedText functions to the OOP PDF scripting API

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 109 matching lines @@
 const char kJSEmailTo[] = "to";
 const char kJSEmailCc[] = "cc";
 const char kJSEmailBcc[] = "bcc";
 const char kJSEmailSubject[] = "subject";
 const char kJSEmailBody[] = "body";
 // Rotation (Page -> Plugin)
 const char kJSRotateClockwiseType[] = "rotateClockwise";
 const char kJSRotateCounterclockwiseType[] = "rotateCounterclockwise";
 // Select all text in the document (Page -> Plugin)
 const char kJSSelectAllType[] = "selectAll";
+// Get the selected text in the document (Page -> Plugin)
+const char kJSGetSelectedTextType[] = "getSelectedText";
+// Reply with selected text (Plugin -> Page)
+const char kJSGetSelectedTextReplyType[] = "getSelectedTextReply";
+const char kJSSelectedText[] = "selectedText";
 
 const int kFindResultCooldownMs = 100;
 
 const double kMinZoom = 0.01;
 
 namespace {
 
 static const char kPPPPdfInterface[] = PPP_PDF_INTERFACE_1;
 
 PP_Var GetLinkAtPosition(PP_Instance instance, PP_Point point) {
@@ skipping 297 matching lines @@
           engine_->HasPermission(PDFEngine::PERMISSION_COPY) ||
           engine_->HasPermission(PDFEngine::PERMISSION_COPY_ACCESSIBLE);
       node.SetBoolean(kAccessibleCopyable, has_permissions);
       std::string json;
       base::JSONWriter::Write(&node, &json);
       reply.Set(pp::Var(kJSAccessibilityJSON), pp::Var(json));
     }
     PostMessage(reply);
   } else if (type == kJSStopScrollingType) {
     stop_scrolling_ = true;
+  } else if (type == kJSGetSelectedTextType) {
+    std::string selected_text = engine_->GetSelectedText();
+    // Always return unix newlines to JS.
+    base::ReplaceChars(selected_text, "\r", std::string(), &selected_text);
+    pp::VarDictionary reply;
+    reply.Set(pp::Var(kType), pp::Var(kJSGetSelectedTextReplyType));
+    reply.Set(pp::Var(kJSSelectedText), selected_text);
+    PostMessage(reply);
   } else {
     NOTREACHED();
   }
 }
 
 bool OutOfProcessInstance::HandleInputEvent(
     const pp::InputEvent& event) {
   // To simplify things, convert the event into device coordinates if it is
   // a mouse event.
   pp::InputEvent event_device_res(event);
@@ skipping 925 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