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      1 // Copyright 2012 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/nine_patch_layer.h"
      6 
      7 #include "cc/layers/nine_patch_layer_impl.h"
      8 #include "cc/resources/prioritized_resource.h"
      9 #include "cc/resources/resource_update.h"
     10 #include "cc/resources/resource_update_queue.h"
     11 #include "cc/resources/scoped_ui_resource.h"
     12 #include "cc/resources/ui_resource_bitmap.h"
     13 #include "cc/trees/layer_tree_host.h"
     14 
     15 namespace cc {
     16 
     17 scoped_refptr<NinePatchLayer> NinePatchLayer::Create() {
     18   return make_scoped_refptr(new NinePatchLayer());
     19 }
     20 
     21 NinePatchLayer::NinePatchLayer() : fill_center_(false) {}
     22 
     23 NinePatchLayer::~NinePatchLayer() {}
     24 
     25 scoped_ptr<LayerImpl> NinePatchLayer::CreateLayerImpl(
     26     LayerTreeImpl* tree_impl) {
     27   return NinePatchLayerImpl::Create(tree_impl, id()).PassAs<LayerImpl>();
     28 }
     29 
     30 void NinePatchLayer::SetBorder(const gfx::Rect& border) {
     31   if (border == border_)
     32     return;
     33   border_ = border;
     34   SetNeedsCommit();
     35 }
     36 
     37 void NinePatchLayer::SetAperture(const gfx::Rect& aperture) {
     38   if (image_aperture_ == aperture)
     39     return;
     40 
     41   image_aperture_ = aperture;
     42   SetNeedsCommit();
     43 }
     44 
     45 void NinePatchLayer::SetFillCenter(bool fill_center) {
     46   if (fill_center_ == fill_center)
     47     return;
     48 
     49   fill_center_ = fill_center;
     50   SetNeedsCommit();
     51 }
     52 
     53 void NinePatchLayer::PushPropertiesTo(LayerImpl* layer) {
     54   UIResourceLayer::PushPropertiesTo(layer);
     55   NinePatchLayerImpl* layer_impl = static_cast<NinePatchLayerImpl*>(layer);
     56 
     57   if (!ui_resource_holder_) {
     58     layer_impl->SetUIResourceId(0);
     59   } else {
     60     DCHECK(layer_tree_host());
     61 
     62     layer_impl->SetLayout(image_aperture_, border_, fill_center_);
     63   }
     64 }
     65 
     66 }  // namespace cc
     67