ladybird/Userland/Libraries/LibWeb/Page/Page.h
2022-01-20 10:37:52 +01:00

111 lines
4.7 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Noncopyable.h>
#include <AK/OwnPtr.h>
#include <AK/RefPtr.h>
#include <AK/URL.h>
#include <AK/WeakPtr.h>
#include <AK/Weakable.h>
#include <Kernel/API/KeyCode.h>
#include <LibGfx/Forward.h>
#include <LibGfx/Palette.h>
#include <LibGfx/StandardCursor.h>
#include <LibWeb/CSS/PreferredColorScheme.h>
#include <LibWeb/Forward.h>
namespace Web {
class PageClient;
class Page : public Weakable<Page> {
AK_MAKE_NONCOPYABLE(Page);
AK_MAKE_NONMOVABLE(Page);
public:
explicit Page(PageClient&);
~Page();
PageClient& client() { return m_client; }
const PageClient& client() const { return m_client; }
HTML::BrowsingContext& top_level_browsing_context() { return *m_top_level_browsing_context; }
HTML::BrowsingContext const& top_level_browsing_context() const { return *m_top_level_browsing_context; }
HTML::BrowsingContext& focused_context();
HTML::BrowsingContext const& focused_context() const { return const_cast<Page*>(this)->focused_context(); }
void set_focused_browsing_context(Badge<EventHandler>, HTML::BrowsingContext&);
void load(const AK::URL&);
void load(LoadRequest&);
void load_html(StringView, const AK::URL&);
bool handle_mouseup(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
bool handle_mousedown(const Gfx::IntPoint&, unsigned button, unsigned modifiers);
bool handle_mousemove(const Gfx::IntPoint&, unsigned buttons, unsigned modifiers);
bool handle_mousewheel(const Gfx::IntPoint&, unsigned button, unsigned modifiers, int wheel_delta_x, int wheel_delta_y);
bool handle_keydown(KeyCode, unsigned modifiers, u32 code_point);
bool handle_keyup(KeyCode, unsigned modifiers, u32 code_point);
Gfx::Palette palette() const;
Gfx::IntRect screen_rect() const;
CSS::PreferredColorScheme preferred_color_scheme() const;
bool is_same_origin_policy_enabled() const { return m_same_origin_policy_enabled; }
void set_same_origin_policy_enabled(bool b) { m_same_origin_policy_enabled = b; }
private:
PageClient& m_client;
RefPtr<HTML::BrowsingContext> m_top_level_browsing_context;
WeakPtr<HTML::BrowsingContext> m_focused_context;
// FIXME: Enable this by default once CORS preflight checks are supported.
bool m_same_origin_policy_enabled { false };
};
class PageClient {
public:
virtual Gfx::Palette palette() const = 0;
virtual Gfx::IntRect screen_rect() const = 0;
virtual CSS::PreferredColorScheme preferred_color_scheme() const = 0;
virtual void page_did_set_document_in_top_level_browsing_context(DOM::Document*) { }
virtual void page_did_change_title(const String&) { }
virtual void page_did_start_loading(const AK::URL&) { }
virtual void page_did_finish_loading(const AK::URL&) { }
virtual void page_did_change_selection() { }
virtual void page_did_request_cursor_change(Gfx::StandardCursor) { }
virtual void page_did_request_context_menu(const Gfx::IntPoint&) { }
virtual void page_did_request_link_context_menu(const Gfx::IntPoint&, const AK::URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_request_image_context_menu(const Gfx::IntPoint&, const AK::URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers, const Gfx::Bitmap*) { }
virtual void page_did_click_link(const AK::URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_middle_click_link(const AK::URL&, [[maybe_unused]] const String& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_enter_tooltip_area(const Gfx::IntPoint&, const String&) { }
virtual void page_did_leave_tooltip_area() { }
virtual void page_did_hover_link(const AK::URL&) { }
virtual void page_did_unhover_link() { }
virtual void page_did_invalidate(const Gfx::IntRect&) { }
virtual void page_did_change_favicon(const Gfx::Bitmap&) { }
virtual void page_did_layout() { }
virtual void page_did_request_scroll(i32, i32) { }
virtual void page_did_request_scroll_to(Gfx::IntPoint const&) { }
virtual void page_did_request_scroll_into_view(const Gfx::IntRect&) { }
virtual void page_did_request_alert(const String&) { }
virtual bool page_did_request_confirm(const String&) { return false; }
virtual String page_did_request_prompt(const String&, const String&) { return {}; }
virtual String page_did_request_cookie(const AK::URL&, Cookie::Source) { return {}; }
virtual void page_did_set_cookie(const AK::URL&, const Cookie::ParsedCookie&, Cookie::Source) { }
protected:
virtual ~PageClient() = default;
};
}