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serenity/Userland/Services/WebContent/PageHost.h
Tom 4392da970a WindowServer: Add initial support for rendering on multiple screens
This allows WindowServer to use multiple framebuffer devices and
compose the desktop with any arbitrary layout. Currently, it is assumed
that it is configured contiguous and non-overlapping, but this should
eventually be enforced.

To make rendering efficient, each window now also tracks on which
screens it needs to be rendered. This way we don't have to iterate all
the windows for each screen but instead use the same rendering loop and
then only render to the screen (or screens) that the window actually
uses.
2021-06-20 14:57:26 +02:00

77 lines
3.4 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <LibGfx/Rect.h>
#include <LibWeb/Page/Page.h>
namespace WebContent {
class ClientConnection;
class PageHost final : public Web::PageClient {
AK_MAKE_NONCOPYABLE(PageHost);
AK_MAKE_NONMOVABLE(PageHost);
public:
static NonnullOwnPtr<PageHost> create(ClientConnection& client) { return adopt_own(*new PageHost(client)); }
virtual ~PageHost();
Web::Page& page() { return *m_page; }
const Web::Page& page() const { return *m_page; }
void paint(const Gfx::IntRect& content_rect, Gfx::Bitmap&);
void set_palette_impl(const Gfx::PaletteImpl&);
void set_viewport_rect(const Gfx::IntRect&);
void set_screen_rects(const Vector<Gfx::IntRect, 4>& rects, size_t main_screen_index) { m_screen_rect = rects[main_screen_index]; };
void set_should_show_line_box_borders(bool b) { m_should_show_line_box_borders = b; }
private:
// ^PageClient
virtual bool is_multi_process() const override { return true; }
virtual Gfx::Palette palette() const override;
virtual Gfx::IntRect screen_rect() const override { return m_screen_rect; }
virtual void page_did_invalidate(const Gfx::IntRect&) override;
virtual void page_did_change_selection() override;
virtual void page_did_request_cursor_change(Gfx::StandardCursor) override;
virtual void page_did_layout() override;
virtual void page_did_change_title(const String&) override;
virtual void page_did_request_scroll(int) override;
virtual void page_did_request_scroll_into_view(const Gfx::IntRect&) override;
virtual void page_did_enter_tooltip_area(const Gfx::IntPoint&, const String&) override;
virtual void page_did_leave_tooltip_area() override;
virtual void page_did_hover_link(const URL&) override;
virtual void page_did_unhover_link() override;
virtual void page_did_click_link(const URL&, const String& target, unsigned modifiers) override;
virtual void page_did_middle_click_link(const URL&, const String& target, unsigned modifiers) override;
virtual void page_did_request_context_menu(const Gfx::IntPoint&) override;
virtual void page_did_request_link_context_menu(const Gfx::IntPoint&, const URL&, const String& target, unsigned modifiers) override;
virtual void page_did_start_loading(const URL&) override;
virtual void page_did_finish_loading(const URL&) override;
virtual void page_did_request_alert(const String&) override;
virtual bool page_did_request_confirm(const String&) override;
virtual String page_did_request_prompt(const String&, const String&) override;
virtual void page_did_change_favicon(const Gfx::Bitmap&) override;
virtual void page_did_request_image_context_menu(const Gfx::IntPoint&, const URL&, const String& target, unsigned modifiers, const Gfx::Bitmap*) override;
virtual String page_did_request_cookie(const URL&, Web::Cookie::Source) override;
virtual void page_did_set_cookie(const URL&, const Web::Cookie::ParsedCookie&, Web::Cookie::Source) override;
explicit PageHost(ClientConnection&);
Web::Layout::InitialContainingBlockBox* layout_root();
void setup_palette();
ClientConnection& m_client;
NonnullOwnPtr<Web::Page> m_page;
RefPtr<Gfx::PaletteImpl> m_palette_impl;
Gfx::IntRect m_screen_rect;
bool m_should_show_line_box_borders { false };
};
}