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serenity/Userland/Libraries/LibWebView/ViewImplementation.h
Shannon Booth 83758d4cdd LibWeb: Wrap PseudoElements stored in SimpleSelector in a class 
No functional impact intended. This is just a more complicated way of
writing what we have now.

The goal of this commit is so that we are able to store the 'name' of a
pseudo element for use in serializing 'unknown -webkit-
pseudo-elements', see:

https://www.w3.org/TR/selectors-4/#compat

This is quite awkward, as in pretty much all cases just the selector
type enum is enough, but we will need to cache the name for serializing
these unknown selectors. I can't figure out any reason why we would need
this name anywhere else in the engine, so pretty much everywhere is
still just passing around this raw enum. But this change will allow us
to easily store the name inside of this new struct for when it is needed
for serialization, once those webkit unknown elements are supported by
our engine.
2023-12-11 16:54:59 +01:00

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/*
* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Forward.h>
#include <AK/Function.h>
#include <AK/LexicalPath.h>
#include <AK/String.h>
#include <LibGfx/Forward.h>
#include <LibGfx/StandardCursor.h>
#include <LibWeb/Forward.h>
#include <LibWeb/HTML/ActivateTab.h>
#include <LibWeb/HTML/SelectItem.h>
#include <LibWebView/Forward.h>
#include <LibWebView/WebContentClient.h>
namespace WebView {
class ViewImplementation {
public:
virtual ~ViewImplementation() { }
struct DOMNodeProperties {
String computed_style_json;
String resolved_style_json;
String custom_properties_json;
String node_box_sizing_json;
String aria_properties_state_json;
};
void set_url(Badge<WebContentClient>, AK::URL url) { m_url = move(url); }
AK::URL const& url() const { return m_url; }
String const& handle() const { return m_client_state.client_handle; }
void server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize size);
void server_did_invalidate_content_rect(Badge<WebContentClient>, Gfx::IntRect rect);
void server_did_change_selection(Badge<WebContentClient>);
void load(AK::URL const&);
void load_html(StringView);
void load_empty_document();
void zoom_in();
void zoom_out();
void reset_zoom();
float zoom_level() const { return m_zoom_level; }
void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
DeprecatedString selected_text();
Optional<String> selected_text_with_whitespace_collapsed();
void select_all();
void get_source();
void inspect_dom_tree();
void inspect_accessibility_tree();
ErrorOr<DOMNodeProperties> inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement::Type> pseudo_element);
void clear_inspected_dom_node();
i32 get_hovered_node_id();
void set_dom_node_text(i32 node_id, String text);
Optional<i32> set_dom_node_tag(i32 node_id, String name);
void add_dom_node_attributes(i32 node_id, Vector<Attribute> attributes);
void replace_dom_node_attribute(i32 node_id, String name, Vector<Attribute> replacement_attributes);
Optional<i32> create_child_element(i32 node_id);
Optional<i32> create_child_text_node(i32 node_id);
Optional<i32> clone_dom_node(i32 node_id);
void remove_dom_node(i32 node_id);
Optional<String> get_dom_node_html(i32 node_id);
void debug_request(DeprecatedString const& request, DeprecatedString const& argument = {});
void run_javascript(StringView);
void js_console_input(DeprecatedString const& js_source);
void js_console_request_messages(i32 start_index);
void alert_closed();
void confirm_closed(bool accepted);
void prompt_closed(Optional<String> response);
void color_picker_closed(Optional<Color> picked_color);
void select_dropdown_closed(Optional<String> value);
void toggle_media_play_state();
void toggle_media_mute_state();
void toggle_media_loop_state();
void toggle_media_controls_state();
enum class ScreenshotType {
Visible,
Full,
};
ErrorOr<LexicalPath> take_screenshot(ScreenshotType);
ErrorOr<LexicalPath> take_dom_node_screenshot(i32);
void set_user_style_sheet(String source);
// Load Native.css as the User style sheet, which attempts to make WebView content look as close to
// native GUI widgets as possible.
void use_native_user_style_sheet();
void enable_inspector_prototype();
Function<void(Gfx::IntSize)> on_did_layout;
Function<void()> on_ready_to_paint;
Function<String(Web::HTML::ActivateTab)> on_new_tab;
Function<void()> on_activate_tab;
Function<void()> on_close;
Function<void(Gfx::IntPoint screen_position)> on_context_menu_request;
Function<void(const AK::URL&, Gfx::IntPoint screen_position)> on_link_context_menu_request;
Function<void(const AK::URL&, Gfx::IntPoint screen_position, Gfx::ShareableBitmap const&)> on_image_context_menu_request;
Function<void(Gfx::IntPoint screen_position, Web::Page::MediaContextMenu const&)> on_media_context_menu_request;
Function<void(const AK::URL&)> on_link_hover;
Function<void()> on_link_unhover;
Function<void(const AK::URL&, DeprecatedString const& target, unsigned modifiers)> on_link_click;
Function<void(const AK::URL&, DeprecatedString const& target, unsigned modifiers)> on_link_middle_click;
Function<void(DeprecatedString const&)> on_title_change;
Function<void(const AK::URL&, bool)> on_load_start;
Function<void(const AK::URL&)> on_load_finish;
Function<void(DeprecatedString const& path, i32)> on_request_file;
Function<void()> on_navigate_back;
Function<void()> on_navigate_forward;
Function<void()> on_refresh;
Function<void(Gfx::Bitmap const&)> on_favicon_change;
Function<void(i32, i32)> on_scroll_by_delta;
Function<void(Gfx::IntPoint)> on_scroll_to_point;
Function<void(Gfx::IntRect)> on_scroll_into_view;
Function<void(Gfx::StandardCursor)> on_cursor_change;
Function<void(Gfx::IntPoint, DeprecatedString const&)> on_enter_tooltip_area;
Function<void()> on_leave_tooltip_area;
Function<void(String const& message)> on_request_alert;
Function<void(String const& message)> on_request_confirm;
Function<void(String const& message, String const& default_)> on_request_prompt;
Function<void(String const& message)> on_request_set_prompt_text;
Function<void()> on_request_accept_dialog;
Function<void()> on_request_dismiss_dialog;
Function<void(const AK::URL&, DeprecatedString const&)> on_received_source;
Function<void(DeprecatedString const&)> on_received_dom_tree;
Function<void(DeprecatedString const&)> on_received_accessibility_tree;
Function<void(i32 message_id)> on_received_console_message;
Function<void(i32 start_index, Vector<DeprecatedString> const& message_types, Vector<DeprecatedString> const& messages)> on_received_console_messages;
Function<Vector<Web::Cookie::Cookie>(AK::URL const& url)> on_get_all_cookies;
Function<Optional<Web::Cookie::Cookie>(AK::URL const& url, DeprecatedString const& name)> on_get_named_cookie;
Function<DeprecatedString(const AK::URL& url, Web::Cookie::Source source)> on_get_cookie;
Function<void(const AK::URL& url, Web::Cookie::ParsedCookie const& cookie, Web::Cookie::Source source)> on_set_cookie;
Function<void(Web::Cookie::Cookie const& cookie)> on_update_cookie;
Function<void(i32 count_waiting)> on_resource_status_change;
Function<void()> on_restore_window;
Function<Gfx::IntPoint(Gfx::IntPoint)> on_reposition_window;
Function<Gfx::IntSize(Gfx::IntSize)> on_resize_window;
Function<Gfx::IntRect()> on_maximize_window;
Function<Gfx::IntRect()> on_minimize_window;
Function<Gfx::IntRect()> on_fullscreen_window;
Function<void(Color current_color)> on_request_color_picker;
Function<void(Gfx::IntPoint content_position, i32 minimum_width, Vector<Web::HTML::SelectItem> items)> on_request_select_dropdown;
Function<void(bool)> on_finish_handling_input_event;
Function<void()> on_text_test_finish;
Function<void(Gfx::Color)> on_theme_color_change;
Function<void(String const&, String const&, String const&)> on_insert_clipboard_entry;
Function<void()> on_inspector_loaded;
Function<void(i32, Optional<Web::CSS::Selector::PseudoElement::Type> const&)> on_inspector_selected_dom_node;
Function<void(i32, String const&)> on_inspector_set_dom_node_text;
Function<void(i32, String const&)> on_inspector_set_dom_node_tag;
Function<void(i32, Vector<Attribute> const&)> on_inspector_added_dom_node_attributes;
Function<void(i32, String const&, Vector<Attribute> const&)> on_inspector_replaced_dom_node_attribute;
Function<void(i32, Gfx::IntPoint, String const&, Optional<String> const&, Optional<Attribute> const&)> on_inspector_requested_dom_tree_context_menu;
Function<void(String const&)> on_inspector_executed_console_script;
virtual Gfx::IntRect viewport_rect() const = 0;
virtual Gfx::IntPoint to_content_position(Gfx::IntPoint widget_position) const = 0;
virtual Gfx::IntPoint to_widget_position(Gfx::IntPoint content_position) const = 0;
protected:
static constexpr auto ZOOM_MIN_LEVEL = 0.3f;
static constexpr auto ZOOM_MAX_LEVEL = 5.0f;
static constexpr auto ZOOM_STEP = 0.1f;
ViewImplementation();
WebContentClient& client();
WebContentClient const& client() const;
virtual void update_zoom() = 0;
enum class WindowResizeInProgress {
No,
Yes,
};
void resize_backing_stores_if_needed(WindowResizeInProgress);
void request_repaint();
void handle_resize();
virtual void create_client() { }
void handle_web_content_process_crash();
struct SharedBitmap {
i32 id { -1 };
i32 pending_paints { 0 };
Gfx::IntSize last_painted_size;
RefPtr<Gfx::Bitmap> bitmap;
};
struct ClientState {
RefPtr<WebContentClient> client;
String client_handle;
SharedBitmap front_bitmap;
SharedBitmap back_bitmap;
i32 next_bitmap_id { 0 };
bool has_usable_bitmap { false };
bool got_repaint_requests_while_painting { false };
} m_client_state;
AK::URL m_url;
float m_zoom_level { 1.0 };
float m_device_pixel_ratio { 1.0 };
RefPtr<Core::Timer> m_backing_store_shrink_timer;
RefPtr<Gfx::Bitmap> m_backup_bitmap;
Gfx::IntSize m_backup_bitmap_size;
size_t m_crash_count = 0;
RefPtr<Core::Timer> m_repeated_crash_timer;
};
}
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