Pinch/Zoom Infrastructure & Plumbing CL

webkit/renderer/compositor_bindings/web_layer_impl.cc

 // Copyright 2011 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 "webkit/renderer/compositor_bindings/web_layer_impl.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "cc/animation/animation.h"
 #include "cc/base/region.h"
@@ skipping 206 matching lines @@
 
 void WebLayerImpl::setForceRenderSurface(bool force_render_surface) {
   layer_->SetForceRenderSurface(force_render_surface);
 }
 
 void WebLayerImpl::setScrollPosition(blink::WebPoint position) {
   layer_->SetScrollOffset(gfx::Point(position).OffsetFromOrigin());
 }
 
 blink::WebPoint WebLayerImpl::scrollPosition() const {
-  return gfx::PointAtOffsetFromOrigin(layer_->scroll_offset());
-}
-
-void WebLayerImpl::setMaxScrollPosition(WebSize max_scroll_position) {
-  layer_->SetMaxScrollOffset(max_scroll_position);
+  return gfx::PointAtOffsetFromOrigin(layer_->TotalViewportScrollOffset());
 }
 
 WebSize WebLayerImpl::maxScrollPosition() const {
-  return layer_->max_scroll_offset();
+  return layer_->MaxScrollOffset();
 }
 
-void WebLayerImpl::setScrollable(bool scrollable) {
-  layer_->SetScrollable(scrollable);
+void WebLayerImpl::setScrollable(WebLayer* clip_layer) {
+  cc::Layer* cc_clip_layer =
+      clip_layer ? static_cast<WebLayerImpl*>(clip_layer)->layer() : 0;
+  layer_->SetScrollable(cc_clip_layer);
 }
 
 bool WebLayerImpl::scrollable() const { return layer_->scrollable(); }
 
 void WebLayerImpl::setUserScrollable(bool horizontal, bool vertical) {
   layer_->SetUserScrollable(horizontal, vertical);
 }
 
 bool WebLayerImpl::userScrollableHorizontal() const {
   return layer_->user_scrollable_horizontal();
@@ skipping 141 matching lines @@
 void WebLayerImpl::setClipParent(blink::WebLayer* parent) {
   cc::Layer* clip_parent = NULL;
   if (parent)
     clip_parent = static_cast<WebLayerImpl*>(parent)->layer();
   layer_->SetClipParent(clip_parent);
 }
 
 Layer* WebLayerImpl::layer() const { return layer_.get(); }
 
 }  // namespace webkit