Deleted Widget/FrameViewBase

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 4729 matching lines @@
 }
 
 IntPoint FrameView::ConvertToRootFrame(const IntPoint& local_point) const {
   if (parent_) {
     IntPoint parent_point = ConvertToContainingFrameView(local_point);
     return parent_->ConvertToRootFrame(parent_point);
   }
   return local_point;
 }
 
+IntRect FrameView::ConvertFromRootFrame(
+    const IntRect& rect_in_root_frame) const {
+  if (parent_) {
+    IntRect parent_rect = parent_->ConvertFromRootFrame(rect_in_root_frame);
+    return ConvertFromContainingFrameView(parent_rect);
+  }
+  return rect_in_root_frame;
+}
+
+IntPoint FrameView::ConvertFromRootFrame(
+    const IntPoint& point_in_root_frame) const {
+  if (parent_) {
+    IntPoint parent_point = parent_->ConvertFromRootFrame(point_in_root_frame);
+    return ConvertFromContainingFrameView(parent_point);
+  }
+  return point_in_root_frame;
+}
+
+FloatPoint FrameView::ConvertFromRootFrame(
+    const FloatPoint& point_in_root_frame) const {
+  // FrameViews / windows are required to be IntPoint aligned, but we may
+  // need to convert FloatPoint values within them (eg. for event
+  // co-ordinates).
+  IntPoint floored_point = FlooredIntPoint(point_in_root_frame);
+  FloatPoint parent_point = ConvertFromRootFrame(floored_point);
+  FloatSize window_fraction = point_in_root_frame - floored_point;
+  // Use linear interpolation handle any fractional value (eg. for iframes
+  // subject to a transform beyond just a simple translation).
+  // FIXME: Add FloatPoint variants of all co-ordinate space conversion APIs.
+  if (!window_fraction.IsEmpty()) {
+    const int kFactor = 1000;
+    IntPoint parent_line_end = ConvertFromRootFrame(
+        floored_point + RoundedIntSize(window_fraction.ScaledBy(kFactor)));
+    FloatSize parent_fraction =
+        (parent_line_end - parent_point).ScaledBy(1.0f / kFactor);
+    parent_point.Move(parent_fraction);
+  }
+  return parent_point;
+}
+
 IntPoint FrameView::ConvertFromContainingFrameViewToScrollbar(
     const Scrollbar& scrollbar,
     const IntPoint& parent_point) const {
   IntPoint new_point = parent_point;
   // Scrollbars won't be transformed within us
   new_point.MoveBy(-scrollbar.Location());
   return new_point;
 }
 
 static void SetNeedsCompositingUpdate(LayoutViewItem layout_view_item,
@@ skipping 601 matching lines @@
 void FrameView::SetAnimationHost(
     std::unique_ptr<CompositorAnimationHost> host) {
   animation_host_ = std::move(host);
 }
 
 LayoutUnit FrameView::CaretWidth() const {
   return LayoutUnit(GetChromeClient()->WindowToViewportScalar(1));
 }
 
 }  // namespace blink