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