Rename platform/Widget to platform/FrameViewBase in core.

third_party/WebKit/Source/core/layout/LayoutPart.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Simon Hausmann <hausmann@kde.org>
  *           (C) 2000 Stefan Schimanski (1Stein@gmx.de)
  * Copyright (C) 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) Research In Motion Limited 2011. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
@@ skipping 23 matching lines @@
 #include "core/layout/api/LayoutAPIShim.h"
 #include "core/layout/api/LayoutViewItem.h"
 #include "core/paint/PartPainter.h"
 #include "core/plugins/PluginView.h"
 
 namespace blink {
 
 LayoutPart::LayoutPart(Element* element)
     : LayoutReplaced(element),
       // Reference counting is used to prevent the part from being destroyed
-      // while inside the Widget code, which might not be able to handle that.
+      // while inside the FrameViewBase code, which might not be able to handle
+      // that.
       m_refCount(1) {
   ASSERT(element);
   frameView()->addPart(this);
   setInline(false);
 }
 
 void LayoutPart::deref() {
   if (--m_refCount <= 0)
     delete this;
 }
@@ skipping 25 matching lines @@
   // object points too is invalid, so we have to clear the node so we make sure
   // we don't access it in the future.
   clearNode();
   deref();
 }
 
 LayoutPart::~LayoutPart() {
   ASSERT(m_refCount <= 0);
 }
 
-Widget* LayoutPart::widget() const {
-  // Plugin widgets are stored in their DOM node.
+FrameViewBase* LayoutPart::widget() const {
+  // Plugin FrameViewBases are stored in their DOM node.
   Element* element = toElement(node());
 
   if (element && element->isFrameOwnerElement())
     return toHTMLFrameOwnerElement(element)->ownedWidget();
 
   return nullptr;
 }
 
 PaintLayerType LayoutPart::layerTypeRequired() const {
   PaintLayerType type = LayoutReplaced::layerTypeRequired();
@@ skipping 35 matching lines @@
 
 bool LayoutPart::nodeAtPointOverWidget(
     HitTestResult& result,
     const HitTestLocation& locationInContainer,
     const LayoutPoint& accumulatedOffset,
     HitTestAction action) {
   bool hadResult = result.innerNode();
   bool inside = LayoutReplaced::nodeAtPoint(result, locationInContainer,
                                             accumulatedOffset, action);
 
-  // Check to see if we are really over the widget itself (and not just in the
-  // border/padding area).
+  // Check to see if we are really over the FrameViewBase itself (and not just
+  // in the border/padding area).
   if ((inside || result.isRectBasedTest()) && !hadResult &&
       result.innerNode() == node())
     result.setIsOverWidget(contentBoxRect().contains(result.localPoint()));
   return inside;
 }
 
 bool LayoutPart::nodeAtPoint(HitTestResult& result,
                              const HitTestLocation& locationInContainer,
                              const LayoutPoint& accumulatedOffset,
                              HitTestAction action) {
@@ skipping 67 matching lines @@
 
 CompositingReasons LayoutPart::additionalCompositingReasons() const {
   if (requiresAcceleratedCompositing())
     return CompositingReasonIFrame;
   return CompositingReasonNone;
 }
 
 void LayoutPart::styleDidChange(StyleDifference diff,
                                 const ComputedStyle* oldStyle) {
   LayoutReplaced::styleDidChange(diff, oldStyle);
-  Widget* widget = this->widget();
+  FrameViewBase* frameViewBase = this->widget();
 
-  if (!widget)
+  if (!frameViewBase)
     return;
 
   // If the iframe has custom scrollbars, recalculate their style.
-  if (widget && widget->isFrameView())
-    toFrameView(widget)->recalculateCustomScrollbarStyle();
+  if (frameViewBase && frameViewBase->isFrameView())
+    toFrameView(frameViewBase)->recalculateCustomScrollbarStyle();
 
   if (style()->visibility() != EVisibility::kVisible) {
-    widget->hide();
+    frameViewBase->hide();
   } else {
-    widget->show();
+    frameViewBase->show();
   }
 }
 
 void LayoutPart::layout() {
   ASSERT(needsLayout());
   LayoutAnalyzer::Scope analyzer(*this);
   clearNeedsLayout();
 }
 
 void LayoutPart::paint(const PaintInfo& paintInfo,
@@ skipping 20 matching lines @@
   // We don't propagate sub-pixel into sub-frame layout, in other words, the
   // rect is snapped at the document boundary, and sub-pixel movement could
   // cause the sub-frame to layout due to the 1px snap difference. In order to
   // avoid that, the size of sub-frame is rounded in advance.
   LayoutRect sizeRoundedRect = contentBoxRect();
   sizeRoundedRect.setSize(LayoutSize(roundedIntSize(sizeRoundedRect.size())));
   return sizeRoundedRect;
 }
 
 void LayoutPart::updateOnWidgetChange() {
-  Widget* widget = this->widget();
-  if (!widget)
+  FrameViewBase* frameViewBase = this->widget();
+  if (!frameViewBase)
     return;
 
   if (!style())
     return;
 
   if (!needsLayout())
     updateWidgetGeometryInternal();
 
   if (style()->visibility() != EVisibility::kVisible) {
-    widget->hide();
+    frameViewBase->hide();
   } else {
-    widget->show();
+    frameViewBase->show();
     // FIXME: Why do we issue a full paint invalidation in this case, but not
     // the other?
     setShouldDoFullPaintInvalidation();
   }
 }
 
 void LayoutPart::updateWidgetGeometry() {
-  Widget* widget = this->widget();
-  if (!widget || !node())  // Check the node in case destroy() has been called.
+  FrameViewBase* frameViewBase = this->widget();
+  if (!frameViewBase ||
+      !node())  // Check the node in case destroy() has been called.
     return;
 
   LayoutRect newFrame = replacedContentRect();
   DCHECK(newFrame.size() == roundedIntSize(newFrame.size()));
   bool boundsWillChange =
-      LayoutSize(widget->frameRect().size()) != newFrame.size();
+      LayoutSize(frameViewBase->frameRect().size()) != newFrame.size();
 
-  FrameView* frameView = widget->isFrameView() ? toFrameView(widget) : nullptr;
+  FrameView* frameView =
+      frameViewBase->isFrameView() ? toFrameView(frameViewBase) : nullptr;
 
   // If frame bounds are changing mark the view for layout. Also check the
   // frame's page to make sure that the frame isn't in the process of being
   // destroyed. If iframe scrollbars needs reconstruction from native to custom
   // scrollbar, then also we need to layout the frameview.
   if (frameView && frameView->frame().page() &&
       (boundsWillChange || frameView->needsScrollbarReconstruction()))
     frameView->setNeedsLayout();
 
   updateWidgetGeometryInternal();
 
   // If view needs layout, either because bounds have changed or possibly
   // indicating content size is wrong, we have to do a layout to set the right
-  // widget size.
+  // FrameViewBase size.
   if (frameView && frameView->needsLayout() && frameView->frame().page())
     frameView->layout();
 
-  widget->widgetGeometryMayHaveChanged();
+  frameViewBase->widgetGeometryMayHaveChanged();
 }
 
 void LayoutPart::updateWidgetGeometryInternal() {
-  Widget* widget = this->widget();
-  ASSERT(widget);
+  FrameViewBase* frameViewBase = this->widget();
+  DCHECK(frameViewBase);
 
   // Ignore transform here, as we only care about the sub-pixel accumulation.
   // TODO(trchen): What about multicol? Need a LayoutBox function to query
   // sub-pixel accumulation.
   LayoutPoint absoluteLocation(localToAbsolute(FloatPoint()));
   LayoutRect absoluteReplacedRect = replacedContentRect();
   absoluteReplacedRect.moveBy(absoluteLocation);
 
   IntRect frameRect(IntPoint(),
                     pixelSnappedIntRect(absoluteReplacedRect).size());
   // Normally the location of the frame rect is ignored by the painter, but
   // currently it is still used by a family of coordinate conversion function in
-  // Widget/FrameView. This is incorrect because coordinate conversion needs to
-  // take transform and into account.
-  // A few callers still use the family of conversion function, including but
-  // not exhaustive:
+  // FrameViewBase/FrameView. This is incorrect because coordinate conversion
+  // needs to take transform and into account. A few callers still use the
+  // family of conversion function, including but not exhaustive:
   // FrameView::updateViewportIntersectionIfNeeded()
   // RemoteFrameView::frameRectsChanged().
   // WebPluginContainerImpl::reportGeometry()
   // TODO(trchen): Remove this hack once we fixed all callers.
   FloatRect absoluteBoundingBox =
       localToAbsoluteQuad(FloatRect(replacedContentRect())).boundingBox();
   frameRect.setLocation(roundedIntPoint(absoluteBoundingBox.location()));
 
   // Why is the protector needed?
   RefPtr<LayoutPart> protector(this);
-  widget->setFrameRect(frameRect);
+  frameViewBase->setFrameRect(frameRect);
 }
 
 void LayoutPart::invalidatePaintOfSubtreesIfNeeded(
     const PaintInvalidationState& paintInvalidationState) {
   if (widget() && widget()->isFrameView() && !isThrottledFrameView()) {
     FrameView* childFrameView = toFrameView(widget());
     // |childFrameView| is in another document, which could be
     // missing its LayoutView. TODO(jchaffraix): Ideally we should
     // not need this code.
     if (LayoutView* childLayoutView =
             toLayoutView(LayoutAPIShim::layoutObjectFrom(
                 childFrameView->layoutViewItem()))) {
       PaintInvalidationState childViewPaintInvalidationState(
           paintInvalidationState, *childLayoutView);
       childFrameView->invalidateTreeIfNeeded(childViewPaintInvalidationState);
     }
   }
 
   LayoutReplaced::invalidatePaintOfSubtreesIfNeeded(paintInvalidationState);
 }
 
 bool LayoutPart::isThrottledFrameView() const {
   if (!widget() || !widget()->isFrameView())
     return false;
   const FrameView* frameView = toFrameView(widget());
   return frameView->shouldThrottleRendering();
 }
 
 }  // namespace blink