Moving compositor_bindings from webkit to content

webkit/renderer/compositor_bindings/web_content_layer_impl.cc

-// Copyright 2011 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "webkit/renderer/compositor_bindings/web_content_layer_impl.h"
-
-#include "cc/layers/content_layer.h"
-#include "cc/layers/picture_layer.h"
-#include "third_party/WebKit/public/platform/WebContentLayerClient.h"
-#include "third_party/WebKit/public/platform/WebFloatPoint.h"
-#include "third_party/WebKit/public/platform/WebFloatRect.h"
-#include "third_party/WebKit/public/platform/WebRect.h"
-#include "third_party/WebKit/public/platform/WebSize.h"
-#include "third_party/skia/include/utils/SkMatrix44.h"
-
-using cc::ContentLayer;
-using cc::PictureLayer;
-
-namespace webkit {
-
-WebContentLayerImpl::WebContentLayerImpl(blink::WebContentLayerClient* client)
-    : client_(client),
-      ignore_lcd_text_change_(false) {
-  if (WebLayerImpl::UsingPictureLayer())
-    layer_ = make_scoped_ptr(new WebLayerImpl(PictureLayer::Create(this)));
-  else
-    layer_ = make_scoped_ptr(new WebLayerImpl(ContentLayer::Create(this)));
-  layer_->layer()->SetIsDrawable(true);
-  can_use_lcd_text_ = layer_->layer()->can_use_lcd_text();
-}
-
-WebContentLayerImpl::~WebContentLayerImpl() {
-  if (WebLayerImpl::UsingPictureLayer())
-    static_cast<PictureLayer*>(layer_->layer())->ClearClient();
-  else
-    static_cast<ContentLayer*>(layer_->layer())->ClearClient();
-}
-
-blink::WebLayer* WebContentLayerImpl::layer() { return layer_.get(); }
-
-void WebContentLayerImpl::setDoubleSided(bool double_sided) {
-  layer_->layer()->SetDoubleSided(double_sided);
-}
-
-void WebContentLayerImpl::setDrawCheckerboardForMissingTiles(bool enable) {
-  layer_->layer()->SetDrawCheckerboardForMissingTiles(enable);
-}
-
-void WebContentLayerImpl::setHasGpuRasterizationHint(bool has_hint) {
-  // TODO(ajuma): Convert per-layer GPU rasterization hints to per-layer
-  // prepaint-disabling hints (crbug.com/365885).
-}
-
-void WebContentLayerImpl::PaintContents(
-    SkCanvas* canvas,
-    const gfx::Rect& clip,
-    gfx::RectF* opaque,
-    ContentLayerClient::GraphicsContextStatus graphics_context_status) {
-  if (!client_)
-    return;
-
-  blink::WebFloatRect web_opaque;
-  // For picture layers, always record with LCD text.  PictureLayerImpl
-  // will turn this off later during rasterization.
-  bool use_lcd_text = WebLayerImpl::UsingPictureLayer() || can_use_lcd_text_;
-  client_->paintContents(
-      canvas,
-      clip,
-      use_lcd_text,
-      web_opaque,
-      graphics_context_status == ContentLayerClient::GRAPHICS_CONTEXT_ENABLED
-          ? blink::WebContentLayerClient::GraphicsContextEnabled
-          : blink::WebContentLayerClient::GraphicsContextDisabled);
-  *opaque = web_opaque;
-}
-
-void WebContentLayerImpl::DidChangeLayerCanUseLCDText() {
-  // It is important to make this comparison because the LCD text status
-  // here can get out of sync with that in the layer.
-  if (can_use_lcd_text_ == layer_->layer()->can_use_lcd_text())
-    return;
-
-  // LCD text cannot be enabled once disabled.
-  if (layer_->layer()->can_use_lcd_text() && ignore_lcd_text_change_)
-    return;
-
-  can_use_lcd_text_ = layer_->layer()->can_use_lcd_text();
-  ignore_lcd_text_change_ = true;
-  layer_->invalidate();
-}
-
-bool WebContentLayerImpl::FillsBoundsCompletely() const { return false; }
-
-}  // namespace webkit