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

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 <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>  // for min/max()
@@ skipping 120 matching lines @@
 const char kJSNamedDestinationPageNumber[] = "pageNumber";
 
 // Selecting text in document (Plugin -> Page)
 const char kJSSetIsSelectingType[] = "setIsSelecting";
 const char kJSIsSelecting[] = "isSelecting";
 
 // Notify when a form field is focused (Plugin -> Page)
 const char kJSFieldFocusType[] = "formFocusChange";
 const char kJSFieldFocus[] = "focused";
 
+// Get link position in document (Page -> Plugin)
+const char kJSGetLinkPositionType[] = "getLinkPosition";

[Dan Beam, 2016/07/11 21:03:09]

please make this and all variants plural, i.e. getLinkPositions

+
+// 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
 // responsive.
 const int kAccessibilityPageDelayMs = 100;
 
 const double kMinZoom = 0.01;
 
 namespace {
 
@@ skipping 309 matching lines @@
     PostMessage(reply);
   } else if (type == KJSGetNamedDestinationType &&
              dict.Get(pp::Var(KJSGetNamedDestination)).is_string()) {
     int page_number = engine_->GetNamedDestinationPage(
         dict.Get(pp::Var(KJSGetNamedDestination)).AsString());
     pp::VarDictionary reply;
     reply.Set(pp::Var(kType), pp::Var(kJSGetNamedDestinationReplyType));
     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()));

[Dan Beam, 2016/07/11 21:03:09]

wait, how does this work with multiple links?

+    }
+    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 1043 matching lines @@
     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 min_y = -top_toolbar_height_;
   float max_y = document_size_.height() * zoom_ - plugin_dip_size_.height();
   float y = std::max(std::min(scroll_offset.y(), max_y), min_y);
   return pp::FloatPoint(x, y);
 }
 
 }  // namespace chrome_pdf