Open hyperlinks in PDF in a new tab when middle mouse clicking.

pdf/out_of_process_instance.cc

Index: pdf/out_of_process_instance.cc
diff --git a/pdf/out_of_process_instance.cc b/pdf/out_of_process_instance.cc
index ae680bde0ef41160c4487df8622cdda65e16f750..019d2c01f5b52dbd7af715d357e5df7d4b8005ac 100644
--- a/pdf/out_of_process_instance.cc
+++ b/pdf/out_of_process_instance.cc
@@ -138,6 +138,14 @@ const char kJSIsSelecting[] = "isSelecting";
 const char kJSFieldFocusType[] = "formFocusChange";
 const char kJSFieldFocus[] = "focused";
 
+// Get link position in document (Page -> Plugin)
+const char kJSGetLinkPositionType[] = "getLinkPosition";
+
+// Reply with link position (Plugin -> Page)
+const char kJSGetLinkPositionReplyType[] = "getLinkPositionReply";
+const char kJSGetLinkPositionX[] = "x";
+const char kJSGetLinkPositionY[] = "y";
+
 const int kFindResultCooldownMs = 100;
 
 // A delay to wait between each accessibility page to keep the system
@@ -467,6 +475,16 @@ void OutOfProcessInstance::HandleMessage(const pp::Var& message) {
     if (page_number >= 0)
       reply.Set(pp::Var(kJSNamedDestinationPageNumber), page_number);
     PostMessage(reply);
+  } else if (type == kJSGetLinkPositionType) {
+    std::vector<pp::Rect> rects = engine_->GetLinkRects();
+
+    pp::VarDictionary reply;
+    reply.Set(pp::Var(kType), pp::Var(kJSGetLinkPositionReplyType));
+    if (!rects.empty()) {
+      reply.Set(pp::Var(kJSGetLinkPositionX), pp::Var(rects[0].x()));
+      reply.Set(pp::Var(kJSGetLinkPositionY), pp::Var(rects[0].y()));
+    }
+    PostMessage(reply);
   } else {
     NOTREACHED();
   }