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

pdf/pdfium/pdfium_page.cc

 // Copyright (c) 2010 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/pdfium/pdfium_page.h"
 
 #include <math.h>
 #include <stddef.h>
 
 #include <algorithm>
@@ skipping 55 matching lines @@
     std::swap(top, bottom);
   pp::FloatRect page_coords(left, top, right - left, bottom - top);
   return FloatPageRectToPixelRect(page, page_coords);
 }
 
 bool OverlapsOnYAxis(const pp::FloatRect &a, const pp::FloatRect& b) {
   return !(a.IsEmpty() || b.IsEmpty() ||
            a.bottom() < b.y() || b.bottom() < a.y());
 }
 
+pp::Rect UnionLinkCharRects(const std::vector<pp::Rect>& rects) {
+  pp::Rect result_rect;
+  for (const auto& rect : rects)
+    result_rect = result_rect.Union(rect);
+
+  return result_rect;
+}
+
 }  // namespace
 
 namespace chrome_pdf {
 
 PDFiumPage::PDFiumPage(PDFiumEngine* engine,
                        int i,
                        const pp::Rect& r,
                        bool available)
     : engine_(engine),
       page_(NULL),
@@ skipping 278 matching lines @@
       if (rect.Contains(origin)) {
         if (target)
           target->url = links_[i].url;
         return i;
       }
     }
   }
   return -1;
 }
 
+std::vector<pp::Rect> PDFiumPage::GetLinkRects() {
+  std::vector<pp::Rect> link_rects;
+  if (!available_)
+    return link_rects;
+
+  CalculateLinks();
+
+  for (const auto& link : links_)
+    link_rects.push_back(UnionLinkCharRects(link.rects));
+
+  return link_rects;
+}
+
 std::vector<int> PDFiumPage::GetLinks(pp::Rect text_area,
                                       std::vector<LinkTarget>* targets) {
   std::vector<int> links;
   if (!available_)
     return links;
 
   CalculateLinks();
 
   for (size_t i = 0; i < links_.size(); ++i) {
     for (const auto& rect : links_[i].rects) {
@@ skipping 113 matching lines @@
   page_->loading_count_--;
 }
 
 PDFiumPage::Link::Link() {
 }
 
 PDFiumPage::Link::~Link() {
 }
 
 }  // namespace chrome_pdf