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(
  43         PictureLayer::Create(WebLayerImpl::LayerSettings(), this)));
  44   else
  45     layer_ = make_scoped_ptr(new WebLayerImpl(
  46         ContentLayer::Create(WebLayerImpl::LayerSettings(), this)));
  47   layer_->layer()->SetIsDrawable(true);
  48 }
  49
  50 WebContentLayerImpl::~WebContentLayerImpl() {
  51   if (WebLayerImpl::UsingPictureLayer())
  52     static_cast<PictureLayer*>(layer_->layer())->ClearClient();
  53   else
  54     static_cast<ContentLayer*>(layer_->layer())->ClearClient();
  55 }
  56
  57 blink::WebLayer* WebContentLayerImpl::layer() {
  58   return layer_.get();
  59 }
  60
  61 void WebContentLayerImpl::setDoubleSided(bool double_sided) {
  62   layer_->layer()->SetDoubleSided(double_sided);
  63 }
  64
  65 void WebContentLayerImpl::setDrawCheckerboardForMissingTiles(bool enable) {
  66   layer_->layer()->SetDrawCheckerboardForMissingTiles(enable);
  67 }
  68
  69 void WebContentLayerImpl::PaintContents(
  70     SkCanvas* canvas,
  71     const gfx::Rect& clip,
  72     cc::ContentLayerClient::PaintingControlSetting painting_control) {
  73   if (!client_)
  74     return;
  75
  76   client_->paintContents(canvas, clip, PaintingControlToWeb(painting_control));
  77 }
  78
  79 void WebContentLayerImpl::PaintContentsToDisplayList(
  80     cc::DisplayItemList* display_list,
  81     const gfx::Rect& clip,
  82     cc::ContentLayerClient::PaintingControlSetting painting_control) {
  83   if (!client_)
  84     return;
  85
  86   WebDisplayItemListImpl list(display_list);
  87   client_->paintContents(&list, clip, PaintingControlToWeb(painting_control));
  88 }
  89
  90 bool WebContentLayerImpl::FillsBoundsCompletely() const {
  91   return false;
  92 }
  93
  94 }  // namespace cc_blink