cc/blink/web_content_layer_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_content_layer_impl.h"
   6
   7 #include "cc/blink/web_display_item_list_impl.h"
   8 #include "cc/layers/content_layer.h"
   9 #include "cc/layers/picture_layer.h"
  10 #include "third_party/WebKit/public/platform/WebContentLayerClient.h"
  11 #include "third_party/WebKit/public/platform/WebFloatPoint.h"
  12 #include "third_party/WebKit/public/platform/WebFloatRect.h"
  13 #include "third_party/WebKit/public/platform/WebRect.h"
  14 #include "third_party/WebKit/public/platform/WebSize.h"
  15 #include "third_party/skia/include/utils/SkMatrix44.h"
  16
  17 using cc::ContentLayer;
  18 using cc::PictureLayer;
  19
  20 namespace cc_blink {
  21
  22 static blink::WebContentLayerClient::PaintingControlSetting
  23 PaintingControlToWeb(
  24     cc::ContentLayerClient::PaintingControlSetting painting_control) {
  25   switch (painting_control) {
  26     case cc::ContentLayerClient::PAINTING_BEHAVIOR_NORMAL:
  27       return blink::WebContentLayerClient::PaintDefaultBehavior;
  28     case cc::ContentLayerClient::DISPLAY_LIST_CONSTRUCTION_DISABLED:
  29       return blink::WebContentLayerClient::DisplayListConstructionDisabled;
  30     case cc::ContentLayerClient::DISPLAY_LIST_CACHING_DISABLED:
  31       return blink::WebContentLayerClient::DisplayListCachingDisabled;
  32     case cc::ContentLayerClient::DISPLAY_LIST_PAINTING_DISABLED:
  33       return blink::WebContentLayerClient::DisplayListPaintingDisabled;
  34   }
  35   NOTREACHED();
  36   return blink::WebContentLayerClient::PaintDefaultBehavior;
  37 }
  38
  39 WebContentLayerImpl::WebContentLayerImpl(blink::WebContentLayerClient* client)
  40     : client_(client) {
  41   if (WebLayerImpl::UsingPictureLayer())
  42     layer_ = make_scoped_ptr(new WebLayerImpl(PictureLayer::Create(this)));
  43   else
  44     layer_ = make_scoped_ptr(new WebLayerImpl(ContentLayer::Create(this)));
  45   layer_->layer()->SetIsDrawable(true);
  46 }
  47
  48 WebContentLayerImpl::~WebContentLayerImpl() {
  49   if (WebLayerImpl::UsingPictureLayer())
  50     static_cast<PictureLayer*>(layer_->layer())->ClearClient();
  51   else
  52     static_cast<ContentLayer*>(layer_->layer())->ClearClient();
  53 }
  54
  55 blink::WebLayer* WebContentLayerImpl::layer() {
  56   return layer_.get();
  57 }
  58
  59 void WebContentLayerImpl::setDoubleSided(bool double_sided) {
  60   layer_->layer()->SetDoubleSided(double_sided);
  61 }
  62
  63 void WebContentLayerImpl::setDrawCheckerboardForMissingTiles(bool enable) {
  64   layer_->layer()->SetDrawCheckerboardForMissingTiles(enable);
  65 }
  66
  67 void WebContentLayerImpl::PaintContents(
  68     SkCanvas* canvas,
  69     const gfx::Rect& clip,
  70     cc::ContentLayerClient::PaintingControlSetting painting_control) {
  71   if (!client_)
  72     return;
  73
  74   client_->paintContents(canvas, clip, PaintingControlToWeb(painting_control));
  75 }
  76
  77 void WebContentLayerImpl::PaintContentsToDisplayList(
  78     cc::DisplayItemList* display_list,
  79     const gfx::Rect& clip,
  80     cc::ContentLayerClient::PaintingControlSetting painting_control) {
  81   if (!client_)
  82     return;
  83
  84   WebDisplayItemListImpl list(display_list);
  85   client_->paintContents(&list, clip, PaintingControlToWeb(painting_control));
  86 }
  87
  88 bool WebContentLayerImpl::FillsBoundsCompletely() const {
  89   return false;
  90 }
  91
  92 }  // namespace cc_blink