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LibWeb: Implement the Screen interface

https://drafts.csswg.org/cssom-view/#the-screen-interface
This commit is contained in:
Linus Groh 2021-04-04 00:14:39 +02:00 committed by Andreas Kling
parent e8739ddab7
commit 340e1f4b28
10 changed files with 138 additions and 0 deletions

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/*
* Copyright (c) 2021, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <LibGfx/Rect.h>
#include <LibWeb/CSS/Screen.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/DOM/Window.h>
#include <LibWeb/Page/Page.h>
namespace Web::CSS {
Screen::Screen(DOM::Window& window)
: m_window(window)
{
}
Gfx::IntRect Screen::screen_rect() const
{
return m_window.document().page()->screen_rect();
}
}

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/*
* Copyright (c) 2021, Linus Groh <mail@linusgroh.de>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include <LibGfx/Rect.h>
#include <LibWeb/Bindings/Wrappable.h>
#include <LibWeb/Forward.h>
namespace Web::CSS {
class Screen final
: public RefCounted<Screen>
, public Bindings::Wrappable {
public:
using WrapperType = Bindings::ScreenWrapper;
static NonnullRefPtr<Screen> create(DOM::Window& window)
{
return adopt(*new Screen(window));
}
i32 width() const { return screen_rect().width(); }
i32 height() const { return screen_rect().height(); }
i32 avail_width() const { return screen_rect().width(); }
i32 avail_height() const { return screen_rect().height(); }
u32 color_depth() const { return 24; }
u32 pixel_depth() const { return 24; }
private:
explicit Screen(DOM::Window&);
Gfx::IntRect screen_rect() const;
DOM::Window& m_window;
};
}

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interface Screen {
readonly attribute long availWidth;
readonly attribute long availHeight;
readonly attribute long width;
readonly attribute long height;
readonly attribute unsigned long colorDepth;
readonly attribute unsigned long pixelDepth;
};