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      1 // Copyright 2014 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 "cc/layers/surface_layer.h"
      6 
      7 #include "cc/layers/surface_layer_impl.h"
      8 
      9 namespace cc {
     10 
     11 scoped_refptr<SurfaceLayer> SurfaceLayer::Create() {
     12   return make_scoped_refptr(new SurfaceLayer);
     13 }
     14 
     15 SurfaceLayer::SurfaceLayer() : Layer() {
     16 }
     17 
     18 SurfaceLayer::~SurfaceLayer() {}
     19 
     20 void SurfaceLayer::SetSurfaceId(SurfaceId surface_id) {
     21   surface_id_ = surface_id;
     22   UpdateDrawsContent(HasDrawableContent());
     23   SetNeedsPushProperties();
     24 }
     25 
     26 scoped_ptr<LayerImpl> SurfaceLayer::CreateLayerImpl(LayerTreeImpl* tree_impl) {
     27   return SurfaceLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
     28 }
     29 
     30 bool SurfaceLayer::HasDrawableContent() const {
     31   return !surface_id_.is_null() && Layer::HasDrawableContent();
     32 }
     33 
     34 void SurfaceLayer::PushPropertiesTo(LayerImpl* layer) {
     35   Layer::PushPropertiesTo(layer);
     36   SurfaceLayerImpl* layer_impl = static_cast<SurfaceLayerImpl*>(layer);
     37 
     38   layer_impl->SetSurfaceId(surface_id_);
     39 }
     40 
     41 }  // namespace cc
     42