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// Copyright 2015 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 "components/html_viewer/web_layer_impl.h"
#include "cc/layers/layer.h"
#include "components/view_manager/public/cpp/view.h"
#include "ui/gfx/geometry/dip_util.h"
#include "ui/mojo/geometry/geometry.mojom.h"
using blink::WebFloatPoint;
using blink::WebSize;
namespace html_viewer {
WebLayerImpl::WebLayerImpl(mojo::View* view, float device_pixel_ratio)
: view_(view), device_pixel_ratio_(device_pixel_ratio) {}
WebLayerImpl::~WebLayerImpl() {
}
void WebLayerImpl::setBounds(const WebSize& size) {
mojo::Rect rect = view_->bounds();
const gfx::Size size_in_pixels(ConvertSizeToPixel(
device_pixel_ratio_, gfx::Size(size.width, size.height)));
rect.width = size_in_pixels.width();
rect.height = size_in_pixels.height();
view_->SetBounds(rect);
cc_blink::WebLayerImpl::setBounds(size);
}
void WebLayerImpl::setPosition(const WebFloatPoint& position) {
int x = 0, y = 0;
// TODO(fsamuel): This is a temporary hack until we have a UI process in
// Mandoline. The View will always lag behind the cc::Layer.
cc::Layer* current_layer = layer();
while (current_layer) {
x += current_layer->position().x();
x -= current_layer->scroll_offset().x();
y += current_layer->position().y();
y -= current_layer->scroll_offset().y();
current_layer = current_layer->parent();
}
const gfx::Point point_in_pixels(
ConvertPointToPixel(device_pixel_ratio_, gfx::Point(x, y)));
mojo::Rect rect = view_->bounds();
rect.x = point_in_pixels.x();
rect.y = point_in_pixels.y();
view_->SetBounds(rect);
cc_blink::WebLayerImpl::setPosition(position);
}
} // namespace html_viewer
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