reflow comments in core/frame

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

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 110 matching lines @@
   if (!mainFrame())
     return;
 
   enqueueResizeEvent();
 
   bool autosizerNeedsUpdating =
       widthDidChange && mainFrame()->settings() &&
       mainFrame()->settings()->textAutosizingEnabled();
 
   if (autosizerNeedsUpdating) {
-    // This needs to happen after setting the m_size member since it'll be read in the update call.
+    // This needs to happen after setting the m_size member since it'll be read
+    // in the update call.
     if (TextAutosizer* textAutosizer = mainFrame()->document()->textAutosizer())
       textAutosizer->updatePageInfoInAllFrames();
   }
 }
 
 void VisualViewport::reset() {
   setScaleAndLocation(1, FloatPoint());
 }
 
 void VisualViewport::mainFrameDidChangeSize() {
@@ skipping 125 matching lines @@
     frameHost().chromeClient().pageScaleFactorChanged();
     enqueueResizeEvent();
   }
 
   FloatPoint clampedOffset(clampOffsetToBoundaries(location));
 
   if (clampedOffset != m_offset) {
     m_offset = clampedOffset;
     scrollAnimator().setCurrentPosition(m_offset);
 
-    // SVG runs with accelerated compositing disabled so no ScrollingCoordinator.
+    // SVG runs with accelerated compositing disabled so no
+    // ScrollingCoordinator.
     if (ScrollingCoordinator* coordinator =
             frameHost().page().scrollingCoordinator())
       coordinator->scrollableAreaScrollLayerDidChange(this);
 
     if (!frameHost().settings().inertVisualViewport()) {
       if (Document* document = mainFrame()->document())
         document->enqueueScrollEventForNode(document);
     }
 
     enqueueScrollEvent();
@@ skipping 41 matching lines @@
 
 // Modifies the top of the graphics layer tree to add layers needed to support
 // the inner/outer viewport fixed-position model for pinch zoom. When finished,
 // the tree will look like this (with * denoting added layers):
 //
 // *rootTransformLayer
 //  +- *innerViewportContainerLayer (fixed pos container)
 //     +- *overscrollElasticityLayer
 //     |   +- *pageScaleLayer
 //     |       +- *innerViewportScrollLayer
-//     |           +-- overflowControlsHostLayer (root layer) [ owned by PaintLayerCompositor ]
-//     |               +-- outerViewportContainerLayer (fixed pos container) [frame container layer in PaintLayerCompositor]
-//     |               |   +-- outerViewportScrollLayer [frame scroll layer in PaintLayerCompositor]
+//     |           +-- overflowControlsHostLayer (root layer)
+//     |               | [ owned by PaintLayerCompositor ]
+//     |               +-- outerViewportContainerLayer (fixed pos container)
+//     |               |     [frame container layer in PaintLayerCompositor]
+//     |               |   +-- outerViewportScrollLayer
+//     |               |       | [frame scroll layer in PaintLayerCompositor]
 //     |               |       +-- content layers ...
 //     +- *PageOverlay for InspectorOverlay
 //     +- *PageOverlay for ColorOverlay
 //     +- horizontalScrollbarLayer [ owned by PaintLayerCompositor ]
 //     +- verticalScrollbarLayer [ owned by PaintLayerCompositor ]
 //     +- scroll corner (non-overlay only) [ owned by PaintLayerCompositor ]
 //
 void VisualViewport::attachToLayerTree(GraphicsLayer* currentLayerTreeRoot) {
   TRACE_EVENT1("blink", "VisualViewport::attachToLayerTree",
                "currentLayerTreeRoot", (bool)currentLayerTreeRoot);
@@ skipping 94 matching lines @@
 
   if (!webScrollbarLayer) {
     ScrollingCoordinator* coordinator =
         frameHost().page().scrollingCoordinator();
     ASSERT(coordinator);
     ScrollbarOrientation webcoreOrientation =
         isHorizontal ? HorizontalScrollbar : VerticalScrollbar;
     webScrollbarLayer = coordinator->createSolidColorScrollbarLayer(
         webcoreOrientation, thumbThickness, scrollbarMargin, false);
 
-    // The compositor will control the scrollbar's visibility. Set to invisible by default
-    // so scrollbars don't show up in layout tests.
+    // The compositor will control the scrollbar's visibility. Set to invisible
+    // by default so scrollbars don't show up in layout tests.
     webScrollbarLayer->layer()->setOpacity(0);
     scrollbarGraphicsLayer->setContentsToPlatformLayer(
         webScrollbarLayer->layer());
     scrollbarGraphicsLayer->setDrawsContent(false);
   }
 
   int xPosition = isHorizontal ? 0
                                : m_innerViewportContainerLayer->size().width() -
                                      scrollbarThickness;
   int yPosition =
@@ skipping 80 matching lines @@
 }
 
 IntPoint VisualViewport::maximumScrollPosition() const {
   return flooredIntPoint(maximumScrollPositionDouble());
 }
 
 DoublePoint VisualViewport::maximumScrollPositionDouble() const {
   if (!mainFrame())
     return IntPoint();
 
-  // TODO(bokan): We probably shouldn't be storing the bounds in a float. crbug.com/470718.
+  // TODO(bokan): We probably shouldn't be storing the bounds in a float.
+  // crbug.com/470718.
   FloatSize frameViewSize(contentsSize());
 
   if (m_topControlsAdjustment) {
     float minScale =
         frameHost().pageScaleConstraintsSet().finalConstraints().minimumScale;
     frameViewSize.expand(0, m_topControlsAdjustment / minScale);
   }
 
   frameViewSize.scale(m_scale);
   frameViewSize = FloatSize(flooredIntSize(frameViewSize));
@@ skipping 28 matching lines @@
   return clamped;
 }
 
 void VisualViewport::setTopControlsAdjustment(float adjustment) {
   m_topControlsAdjustment = adjustment;
 }
 
 IntRect VisualViewport::scrollableAreaBoundingBox() const {
   // This method should return the bounding box in the parent view's coordinate
   // space; however, VisualViewport technically isn't a child of any Frames.
-  // Nonetheless, the VisualViewport always occupies the entire main frame so just
-  // return that.
+  // Nonetheless, the VisualViewport always occupies the entire main frame so
+  // just return that.
   LocalFrame* frame = mainFrame();
 
   if (!frame || !frame->view())
     return IntRect();
 
   return frame->view()->frameRect();
 }
 
 IntSize VisualViewport::contentsSize() const {
   LocalFrame* frame = mainFrame();
@@ skipping 144 matching lines @@
   if (m_trackPinchZoomStatsForPage) {
     bool didScale = m_maxPageScale > 0;
 
     DEFINE_STATIC_LOCAL(EnumerationHistogram, didScaleHistogram,
                         ("Viewport.DidScalePage", 2));
     didScaleHistogram.count(didScale ? 1 : 0);
 
     if (didScale) {
       int zoomPercentage = floor(m_maxPageScale * 100);
 
-      // See the PageScaleFactor enumeration in histograms.xml for the bucket ranges.
+      // See the PageScaleFactor enumeration in histograms.xml for the bucket
+      // ranges.
       int bucket = floor(zoomPercentage / 25.f);
 
       DEFINE_STATIC_LOCAL(EnumerationHistogram, maxScaleHistogram,
                           ("Viewport.MaxPageScale", 21));
       maxScaleHistogram.count(bucket);
     }
   }
 
   m_maxPageScale = -1;
   m_trackPinchZoomStatsForPage = false;
@@ skipping 54 matching lines @@
   } else if (graphicsLayer == m_rootTransformLayer.get()) {
     name = "Root Transform Layer";
   } else {
     ASSERT_NOT_REACHED();
   }
 
   return name;
 }
 
 }  // namespace blink