LibWeb: Implement the Screen interface

https://drafts.csswg.org/cssom-view/#the-screen-interface

Userland/Libraries/LibWeb/CSS/Screen.cpp

@@ -0,0 +1,45 @@
+/*
+ * 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();
+}
+
+}

Userland/Libraries/LibWeb/CSS/Screen.h

@@ -0,0 +1,62 @@
+/*
+ * 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;
+};
+
+}

Userland/Libraries/LibWeb/CSS/Screen.idl

@@ -0,0 +1,8 @@
+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;
+};