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/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021-2022, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Sam Atkins <atkinssj@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/Point.h>
#include <LibGfx/Rect.h>
#include <LibGfx/Size.h>
#include <LibGfx/StandardCursor.h>
#include <LibJS/Heap/Handle.h>
#include <LibWeb/CSS/PreferredColorScheme.h>
#include <LibWeb/Cookie/Cookie.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/ActivateTab.h>
#include <LibWeb/Loader/FileRequest.h>
#include <LibWeb/PixelUnits.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; }
PageClient const& client() const { return m_client; }
HTML::BrowsingContext& top_level_browsing_context();
HTML::BrowsingContext const& top_level_browsing_context() const;
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&);
CSSPixelPoint device_to_css_point(DevicePixelPoint) const;
DevicePixelPoint css_to_device_point(CSSPixelPoint) const;
CSSPixelRect device_to_css_rect(DevicePixelRect) const;
DevicePixelRect enclosing_device_rect(CSSPixelRect) const;
DevicePixelRect rounded_device_rect(CSSPixelRect) const;
bool handle_mouseup(DevicePixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
bool handle_mousedown(DevicePixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
bool handle_mousemove(DevicePixelPoint, unsigned buttons, unsigned modifiers);
bool handle_mousewheel(DevicePixelPoint, unsigned button, unsigned buttons, unsigned modifiers, int wheel_delta_x, int wheel_delta_y);
bool handle_doubleclick(DevicePixelPoint, unsigned button, unsigned buttons, unsigned modifiers);
bool handle_keydown(KeyCode, unsigned modifiers, u32 code_point);
bool handle_keyup(KeyCode, unsigned modifiers, u32 code_point);
Gfx::Palette palette() const;
CSSPixelRect web_exposed_screen_area() 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; }
bool is_scripting_enabled() const { return m_is_scripting_enabled; }
void set_is_scripting_enabled(bool b) { m_is_scripting_enabled = b; }
bool should_block_pop_ups() const { return m_should_block_pop_ups; }
void set_should_block_pop_ups(bool b) { m_should_block_pop_ups = b; }
bool is_webdriver_active() const { return m_is_webdriver_active; }
void set_is_webdriver_active(bool b) { m_is_webdriver_active = b; }
DevicePixelPoint window_position() const { return m_window_position; }
void set_window_position(DevicePixelPoint position) { m_window_position = position; }
DevicePixelSize window_size() const { return m_window_size; }
void set_window_size(DevicePixelSize size) { m_window_size = size; }
void did_request_alert(String const& message);
void alert_closed();
bool did_request_confirm(String const& message);
void confirm_closed(bool accepted);
Optional<String> did_request_prompt(String const& message, String const& default_);
void prompt_closed(Optional<String> response);
enum class PendingDialog {
None,
Alert,
Confirm,
Prompt,
};
bool has_pending_dialog() const { return m_pending_dialog != PendingDialog::None; }
PendingDialog pending_dialog() const { return m_pending_dialog; }
Optional<String> const& pending_dialog_text() const { return m_pending_dialog_text; }
void dismiss_dialog();
void accept_dialog();
void did_request_video_context_menu(i32 video_id, CSSPixelPoint, AK::URL const&, DeprecatedString const& target, unsigned modifiers, bool is_playing, bool has_user_agent_controls, bool is_looping);
WebIDL::ExceptionOr<void> toggle_video_play_state();
WebIDL::ExceptionOr<void> toggle_video_loop_state();
WebIDL::ExceptionOr<void> toggle_video_controls_state();
bool pdf_viewer_supported() const { return m_pdf_viewer_supported; }
private:
JS::GCPtr<HTML::HTMLVideoElement> video_context_menu_element();
PageClient& m_client;
JS::Handle<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 };
bool m_is_scripting_enabled { true };
bool m_should_block_pop_ups { true };
// https://w3c.github.io/webdriver/#dfn-webdriver-active-flag
// The webdriver-active flag is set to true when the user agent is under remote control. It is initially false.
bool m_is_webdriver_active { false };
DevicePixelPoint m_window_position {};
DevicePixelSize m_window_size {};
PendingDialog m_pending_dialog { PendingDialog::None };
Optional<String> m_pending_dialog_text;
Optional<Empty> m_pending_alert_response;
Optional<bool> m_pending_confirm_response;
Optional<Optional<String>> m_pending_prompt_response;
Optional<int> m_video_context_menu_element_id;
// https://html.spec.whatwg.org/multipage/system-state.html#pdf-viewer-supported
// Each user agent has a PDF viewer supported boolean, whose value is implementation-defined (and might vary according to user preferences).
// Spec Note: This value also impacts the navigation processing model.
// FIXME: Actually support pdf viewing
bool m_pdf_viewer_supported { false };
};
class PageClient {
public:
virtual Page& page() = 0;
virtual Page const& page() const = 0;
virtual bool is_connection_open() const = 0;
virtual Gfx::Palette palette() const = 0;
virtual DevicePixelRect screen_rect() const = 0;
virtual double device_pixels_per_css_pixel() const = 0;
virtual CSS::PreferredColorScheme preferred_color_scheme() const = 0;
virtual void paint(DevicePixelRect const&, Gfx::Bitmap&) = 0;
virtual void page_did_change_title(DeprecatedString const&) { }
virtual void page_did_request_navigate_back() { }
virtual void page_did_request_navigate_forward() { }
virtual void page_did_request_refresh() { }
virtual Gfx::IntSize page_did_request_resize_window(Gfx::IntSize) { return {}; }
virtual Gfx::IntPoint page_did_request_reposition_window(Gfx::IntPoint) { return {}; }
virtual void page_did_request_restore_window() { }
virtual Gfx::IntRect page_did_request_maximize_window() { return {}; }
virtual Gfx::IntRect page_did_request_minimize_window() { return {}; }
virtual Gfx::IntRect page_did_request_fullscreen_window() { return {}; }
virtual void page_did_start_loading(const AK::URL&, bool is_redirect) { (void)is_redirect; }
virtual void page_did_create_main_document() { }
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(CSSPixelPoint) { }
virtual void page_did_request_link_context_menu(CSSPixelPoint, AK::URL const&, [[maybe_unused]] DeprecatedString const& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_request_image_context_menu(CSSPixelPoint, AK::URL const&, [[maybe_unused]] DeprecatedString const& target, [[maybe_unused]] unsigned modifiers, Gfx::Bitmap const*) { }
virtual void page_did_request_video_context_menu(CSSPixelPoint, AK::URL const&, [[maybe_unused]] DeprecatedString const& target, [[maybe_unused]] unsigned modifiers, [[maybe_unused]] bool is_playing, [[maybe_unused]] bool has_user_agent_controls, [[maybe_unused]] bool is_looping) { }
virtual void page_did_click_link(const AK::URL&, [[maybe_unused]] DeprecatedString const& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_middle_click_link(const AK::URL&, [[maybe_unused]] DeprecatedString const& target, [[maybe_unused]] unsigned modifiers) { }
virtual void page_did_enter_tooltip_area(CSSPixelPoint, DeprecatedString const&) { }
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(CSSPixelRect const&) { }
virtual void page_did_change_favicon(Gfx::Bitmap const&) { }
virtual void page_did_layout() { }
virtual void page_did_request_scroll(i32, i32) { }
virtual void page_did_request_scroll_to(CSSPixelPoint) { }
virtual void page_did_request_scroll_into_view(CSSPixelRect const&) { }
virtual void page_did_request_alert(String const&) { }
virtual void page_did_request_confirm(String const&) { }
virtual void page_did_request_prompt(String const&, String const&) { }
virtual void page_did_request_set_prompt_text(String const&) { }
virtual void page_did_request_accept_dialog() { }
virtual void page_did_request_dismiss_dialog() { }
virtual Vector<Web::Cookie::Cookie> page_did_request_all_cookies(AK::URL const&) { return {}; }
virtual Optional<Web::Cookie::Cookie> page_did_request_named_cookie(AK::URL const&, DeprecatedString const&) { return {}; }
virtual DeprecatedString page_did_request_cookie(const AK::URL&, Cookie::Source) { return {}; }
virtual void page_did_set_cookie(const AK::URL&, Cookie::ParsedCookie const&, Cookie::Source) { }
virtual void page_did_update_cookie(Web::Cookie::Cookie) { }
virtual void page_did_update_resource_count(i32) { }
virtual String page_did_request_new_tab(HTML::ActivateTab) { return {}; }
virtual void page_did_request_activate_tab() { }
virtual void page_did_close_browsing_context(HTML::BrowsingContext const&) { }
virtual void request_file(FileRequest) = 0;
// https://html.spec.whatwg.org/multipage/input.html#show-the-picker,-if-applicable
virtual void page_did_request_file_picker(WeakPtr<DOM::EventTarget>, [[maybe_unused]] bool multiple) {};
protected:
virtual ~PageClient() = default;
};
}
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