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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.
This commit is contained in:
Andreas Kling 2023-01-09 00:44:32 +01:00 committed by Linus Groh
parent ed3c2cbdf6
commit 3110f5b328
10 changed files with 267 additions and 268 deletions

View file

@ -1,5 +1,6 @@
/*
* Copyright (c) 2022, kleines Filmröllchen <filmroellchen@serenityos.org>
* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
@ -11,6 +12,7 @@
#include <LibGUI/Event.h>
#include <LibGUI/UIDimensions.h>
#include <LibGUI/Widget.h>
#include <LibWebView/OutOfProcessWebView.h>
// Title, Author
constexpr StringView const title_template = "{} ({}) — Presenter"sv;
@ -29,11 +31,17 @@ public:
protected:
virtual void paint_event(GUI::PaintEvent&) override;
virtual void second_paint_event(GUI::PaintEvent&) override;
virtual void keydown_event(GUI::KeyEvent&) override;
virtual void drag_enter_event(GUI::DragEvent&) override;
virtual void drop_event(GUI::DropEvent&) override;
virtual void resize_event(GUI::ResizeEvent&) override;
private:
void update_web_view();
RefPtr<WebView::OutOfProcessWebView> m_web_view;
OwnPtr<Presentation> m_current_presentation;
RefPtr<GUI::Action> m_next_slide_action;
RefPtr<GUI::Action> m_previous_slide_action;