cc/layers/nine_patch_layer.cc

   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/scoped_ui_resource.h"
   9 #include "cc/resources/ui_resource_bitmap.h"
  10 #include "cc/trees/layer_tree_host.h"
  11
  12 namespace cc {
  13
  14 scoped_refptr<NinePatchLayer> NinePatchLayer::Create(
  15     const LayerSettings& settings) {
  16   return make_scoped_refptr(new NinePatchLayer(settings));
  17 }
  18
  19 NinePatchLayer::NinePatchLayer(const LayerSettings& settings)
  20     : UIResourceLayer(settings), fill_center_(false) {
  21 }
  22
  23 NinePatchLayer::~NinePatchLayer() {}
  24
  25 scoped_ptr<LayerImpl> NinePatchLayer::CreateLayerImpl(
  26     LayerTreeImpl* tree_impl) {
  27   return NinePatchLayerImpl::Create(tree_impl, id());
  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