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// Copyright 2015 Google Inc. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#ifndef COBALT_DOM_SCREEN_H_
#define COBALT_DOM_SCREEN_H_
#include "cobalt/script/wrappable.h"
namespace cobalt {
namespace dom {
// As its name suggests, the Screen interface represents information about the
// screen of the output device.
// https://www.w3.org/TR/2013/WD-cssom-view-20131217/#the-screen-interface
class Screen : public script::Wrappable {
public:
Screen(int width, int height) { SetSize(width, height); }
void SetSize(int width, int height) {
width_ = static_cast<float>(width);
height_ = static_cast<float>(height);
}
// Web API
// https://www.w3.org/TR/2013/WD-cssom-view-20131217/#the-screen-interface
// The availWidth attribute must return the available width of the rendering
// surface of the output device, in CSS pixels.
float avail_width() const { return width_; }
// The availHeight attribute must return the available height of the rendering
// surface of the output device, in CSS pixels.
float avail_height() const { return height_; }
// The width attribute must return the width of the output device, in CSS
// pixels.
float width() const { return width_; }
// The height attribute must return the height of the output device, in CSS
// pixels.
float height() const { return height_; }
// The colorDepth attribute must return 24.
unsigned int color_depth() const { return 24; }
// The pixelDepth attribute must return 24.
unsigned int pixel_depth() const { return 24; }
DEFINE_WRAPPABLE_TYPE(Screen);
private:
float width_;
float height_;
};
} // namespace dom
} // namespace cobalt
#endif // COBALT_DOM_SCREEN_H_