third_party/WebKit/Source/web/ResizeViewportAnchor.cpp

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "config.h"
   6 #include "web/ResizeViewportAnchor.h"
   7
   8 #include "core/frame/FrameView.h"
   9 #include "core/frame/VisualViewport.h"
  10 #include "platform/geometry/DoubleRect.h"
  11 #include "platform/geometry/DoubleSize.h"
  12 #include "platform/geometry/FloatSize.h"
  13
  14 namespace blink {
  15
  16 ResizeViewportAnchor::ResizeViewportAnchor(FrameView& rootFrameView, VisualViewport& visualViewport)
  17     : ViewportAnchor(rootFrameView, visualViewport)
  18     , m_visualViewportInDocument(rootFrameView.scrollableArea()->visibleContentRectDouble().location())
  19 {
  20 }
  21
  22 ResizeViewportAnchor::~ResizeViewportAnchor()
  23 {
  24     m_rootFrameView->scrollableArea()->setScrollPosition(m_visualViewportInDocument, ProgrammaticScroll);
  25 }
  26
  27 } // namespace blink