cc/blink/web_display_item_list_impl.cc

   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/blink/web_display_item_list_impl.h"
   6
   7 #include <vector>
   8
   9 #include "cc/blink/web_filter_operations_impl.h"
  10 #include "cc/resources/clip_display_item.h"
  11 #include "cc/resources/clip_path_display_item.h"
  12 #include "cc/resources/compositing_display_item.h"
  13 #include "cc/resources/drawing_display_item.h"
  14 #include "cc/resources/filter_display_item.h"
  15 #include "cc/resources/float_clip_display_item.h"
  16 #include "cc/resources/transform_display_item.h"
  17 #include "skia/ext/refptr.h"
  18 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  19 #include "third_party/WebKit/public/platform/WebRect.h"
  20 #include "third_party/skia/include/core/SkColorFilter.h"
  21 #include "third_party/skia/include/core/SkPicture.h"
  22 #include "third_party/skia/include/utils/SkMatrix44.h"
  23 #include "ui/gfx/transform.h"
  24
  25 namespace cc_blink {
  26
  27 WebDisplayItemListImpl::WebDisplayItemListImpl()
  28     : display_item_list_(cc::DisplayItemList::Create()) {
  29 }
  30
  31 scoped_refptr<cc::DisplayItemList> WebDisplayItemListImpl::ToDisplayItemList() {
  32   return display_item_list_;
  33 }
  34
  35 void WebDisplayItemListImpl::appendDrawingItem(const SkPicture* picture) {
  36   display_item_list_->AppendItem(cc::DrawingDisplayItem::Create(
  37       skia::SharePtr(const_cast<SkPicture*>(picture))));
  38 }
  39
  40 void WebDisplayItemListImpl::appendClipItem(
  41     const blink::WebRect& clip_rect,
  42     const blink::WebVector<SkRRect>& rounded_clip_rects) {
  43   std::vector<SkRRect> rounded_rects;
  44   for (size_t i = 0; i < rounded_clip_rects.size(); ++i) {
  45     rounded_rects.push_back(rounded_clip_rects[i]);
  46   }
  47   display_item_list_->AppendItem(
  48       cc::ClipDisplayItem::Create(clip_rect, rounded_rects));
  49 }
  50
  51 void WebDisplayItemListImpl::appendEndClipItem() {
  52   display_item_list_->AppendItem(cc::EndClipDisplayItem::Create());
  53 }
  54
  55 void WebDisplayItemListImpl::appendClipPathItem(const SkPath& clip_path,
  56                                                 SkRegion::Op clip_op,
  57                                                 bool antialias) {
  58   display_item_list_->AppendItem(
  59       cc::ClipPathDisplayItem::Create(clip_path, clip_op, antialias));
  60 }
  61
  62 void WebDisplayItemListImpl::appendEndClipPathItem() {
  63   display_item_list_->AppendItem(cc::EndClipPathDisplayItem::Create());
  64 }
  65
  66 void WebDisplayItemListImpl::appendFloatClipItem(
  67     const blink::WebFloatRect& clip_rect) {
  68   display_item_list_->AppendItem(cc::FloatClipDisplayItem::Create(clip_rect));
  69 }
  70
  71 void WebDisplayItemListImpl::appendEndFloatClipItem() {
  72   display_item_list_->AppendItem(cc::EndFloatClipDisplayItem::Create());
  73 }
  74
  75 void WebDisplayItemListImpl::appendTransformItem(const SkMatrix44& matrix) {
  76   gfx::Transform transform;
  77   transform.matrix() = matrix;
  78   display_item_list_->AppendItem(cc::TransformDisplayItem::Create(transform));
  79 }
  80
  81 void WebDisplayItemListImpl::appendEndTransformItem() {
  82   display_item_list_->AppendItem(cc::EndTransformDisplayItem::Create());
  83 }
  84
  85 void WebDisplayItemListImpl::appendCompositingItem(
  86     float opacity,
  87     SkXfermode::Mode xfermode,
  88     SkRect* bounds,
  89     SkColorFilter* color_filter) {
  90   display_item_list_->AppendItem(cc::CompositingDisplayItem::Create(
  91       opacity, xfermode, bounds, skia::SharePtr(color_filter)));
  92 }
  93
  94 void WebDisplayItemListImpl::appendEndCompositingItem() {
  95   display_item_list_->AppendItem(cc::EndCompositingDisplayItem::Create());
  96 }
  97
  98 void WebDisplayItemListImpl::appendFilterItem(
  99     const blink::WebFilterOperations& filters,
 100     const blink::WebFloatRect& bounds) {
 101   const WebFilterOperationsImpl& filters_impl =
 102       static_cast<const WebFilterOperationsImpl&>(filters);
 103   display_item_list_->AppendItem(
 104       cc::FilterDisplayItem::Create(filters_impl.AsFilterOperations(), bounds));
 105 }
 106
 107 void WebDisplayItemListImpl::appendEndFilterItem() {
 108   display_item_list_->AppendItem(cc::EndFilterDisplayItem::Create());
 109 }
 110
 111 void WebDisplayItemListImpl::appendScrollItem(
 112     const blink::WebSize& scrollOffset,
 113     ScrollContainerId) {
 114   SkMatrix44 matrix;
 115   matrix.setTranslate(-scrollOffset.width, -scrollOffset.height, 0);
 116   appendTransformItem(matrix);
 117 }
 118
 119 void WebDisplayItemListImpl::appendEndScrollItem() {
 120   appendEndTransformItem();
 121 }
 122
 123 WebDisplayItemListImpl::~WebDisplayItemListImpl() {
 124 }
 125
 126 }  // namespace cc_blink