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Presenter: Rearchitect on top of LibWeb
This patch replaces the bespoke rendering engine in Presenter with a simple pipeline that turns presentations into single-page HTML files. The HTML is then loaded into an OutOfProcessWebView. This achieves a number of things, most importantly: - Access to all the CSS features supported by LibWeb - Sandboxed, multi-process rendering The code could be simplified a lot further, but I wanted to get the new architecture in place without changing anything about the file format.
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10 changed files with 267 additions and 268 deletions
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@ -1,5 +1,6 @@
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/*
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* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include "Slide.h"
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#include <AK/DeprecatedString.h>
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#include <AK/Forward.h>
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#include <AK/HashMap.h>
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#include <AK/NonnullOwnPtr.h>
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#include <AK/Vector.h>
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#include <LibGfx/Painter.h>
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#include <LibGfx/Size.h>
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static constexpr int const PRESENTATION_FORMAT_VERSION = 1;
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@ -23,8 +22,7 @@ class Presentation {
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public:
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~Presentation() = default;
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// We can't pass this class directly in an ErrorOr because some of the components are not properly moveable under these conditions.
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static ErrorOr<NonnullOwnPtr<Presentation>> load_from_file(StringView file_name, NonnullRefPtr<GUI::Window> window);
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static ErrorOr<NonnullOwnPtr<Presentation>> load_from_file(StringView file_name);
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StringView title() const;
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StringView author() const;
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void previous_frame();
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void go_to_first_slide();
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// This assumes that the caller has clipped the painter to exactly the display area.
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void paint(Gfx::Painter& painter) const;
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ErrorOr<DeprecatedString> render();
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private:
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static HashMap<DeprecatedString, DeprecatedString> parse_metadata(JsonObject const& metadata_object);
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