components/html_viewer/web_layer_impl.cc

   1 // Copyright 2015 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 "components/html_viewer/web_layer_impl.h"
   6
   7 #include "base/bind.h"
   8 #include "cc/layers/layer.h"
   9 #include "components/view_manager/public/cpp/view.h"
  10 #include "ui/gfx/geometry/dip_util.h"
  11 #include "ui/mojo/geometry/geometry.mojom.h"
  12
  13 using blink::WebFloatPoint;
  14 using blink::WebSize;
  15
  16 namespace html_viewer {
  17
  18 namespace {
  19
  20 // See surface_layer.h for a description of this callback.
  21 void SatisfyCallback(cc::SurfaceSequence sequence) {
  22   // TODO(fsamuel): Implement this.
  23 }
  24
  25 // See surface_layer.h for a description of this callback.
  26 void RequireCallback(cc::SurfaceId surface_id,
  27                      cc::SurfaceSequence sequence) {
  28   // TODO(fsamuel): Implement this.
  29 }
  30
  31 }
  32
  33 WebLayerImpl::WebLayerImpl(mojo::View* view, float device_pixel_ratio)
  34     : cc_blink::WebLayerImpl(cc::SurfaceLayer::Create(
  35           cc_blink::WebLayerImpl::LayerSettings(),
  36           base::Bind(&SatisfyCallback),
  37           base::Bind(&RequireCallback))),
  38       view_(view),
  39       device_pixel_ratio_(device_pixel_ratio) {
  40 }
  41
  42 WebLayerImpl::~WebLayerImpl() {
  43 }
  44
  45 void WebLayerImpl::setBounds(const WebSize& size) {
  46   static_cast<cc::SurfaceLayer*>(layer())->
  47       SetSurfaceId(cc::SurfaceId(view_->id()),
  48                    device_pixel_ratio_, size);
  49   cc_blink::WebLayerImpl::setBounds(size);
  50 }
  51
  52 }  // namespace html_viewer