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ladybird/Services/WebContent/ConnectionFromClient.h
Timothy Flynn 72905c84d5 LibWeb+LibWebView+WebContent: Support both inspecting/highlighting nodes 
Our own Inspector differs from most other DevTools implementations with
regard to highlighting DOM nodes as you hover elements in the inspected
DOM tree. In other implementations, as you change the hovered node, the
browser will render a box model overlay onto the page for that node. We
currently don't do this; we wait until you click the node, at which
point we both paint the overlay and inspect the node's properties.

This patch does not change that behavior, but separates the IPCs and
internal tracking of inspected nodes to support the standard DevTools
behavior. So the DOM document now stores an inspected node and a
highlighted node. The former is used for features such as "$0" in the
JavaScript console, and the latter is used for the box model overlay.
Our Inspector continues to set these to the same node.
2025-02-24 12:05:29 -05:00

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/*
* Copyright (c) 2018-2023, Andreas Kling <andreas@ladybird.org>
* Copyright (c) 2021-2023, Linus Groh <linusg@serenityos.org>
* Copyright (c) 2022, Tim Flynn <trflynn89@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/Queue.h>
#include <AK/SourceLocation.h>
#include <LibGC/Root.h>
#include <LibIPC/ConnectionFromClient.h>
#include <LibJS/Forward.h>
#include <LibWeb/CSS/PreferredColorScheme.h>
#include <LibWeb/CSS/PreferredContrast.h>
#include <LibWeb/CSS/PreferredMotion.h>
#include <LibWeb/Forward.h>
#include <LibWeb/Loader/FileRequest.h>
#include <LibWeb/Page/EventResult.h>
#include <LibWeb/Page/InputEvent.h>
#include <LibWeb/Platform/Timer.h>
#include <LibWebView/Forward.h>
#include <LibWebView/PageInfo.h>
#include <WebContent/Forward.h>
#include <WebContent/WebContentClientEndpoint.h>
#include <WebContent/WebContentConsoleClient.h>
#include <WebContent/WebContentServerEndpoint.h>
namespace WebContent {
class ConnectionFromClient final
: public IPC::ConnectionFromClient<WebContentClientEndpoint, WebContentServerEndpoint> {
C_OBJECT(ConnectionFromClient);
public:
~ConnectionFromClient() override;
virtual void die() override;
void request_file(u64 page_id, Web::FileRequest);
PageHost& page_host() { return *m_page_host; }
PageHost const& page_host() const { return *m_page_host; }
Function<void(IPC::File const&)> on_image_decoder_connection;
Queue<Web::QueuedInputEvent>& input_event_queue() { return m_input_event_queue; }
private:
explicit ConnectionFromClient(GC::Heap&, IPC::Transport);
Optional<PageClient&> page(u64 index, SourceLocation = SourceLocation::current());
Optional<PageClient const&> page(u64 index, SourceLocation = SourceLocation::current()) const;
virtual Messages::WebContentServer::InitTransportResponse init_transport(int peer_pid) override;
virtual void close_server() override;
virtual Messages::WebContentServer::GetWindowHandleResponse get_window_handle(u64 page_id) override;
virtual void set_window_handle(u64 page_id, String const& handle) override;
virtual void connect_to_webdriver(u64 page_id, ByteString const& webdriver_ipc_path) override;
virtual void connect_to_image_decoder(IPC::File const& image_decoder_socket) override;
virtual void update_system_theme(u64 page_id, Core::AnonymousBuffer const&) override;
virtual void update_screen_rects(u64 page_id, Vector<Web::DevicePixelRect> const&, u32) override;
virtual void load_url(u64 page_id, URL::URL const&) override;
virtual void load_html(u64 page_id, ByteString const&) override;
virtual void reload(u64 page_id) override;
virtual void traverse_the_history_by_delta(u64 page_id, i32 delta) override;
virtual void set_viewport_size(u64 page_id, Web::DevicePixelSize const) override;
virtual void key_event(u64 page_id, Web::KeyEvent const&) override;
virtual void mouse_event(u64 page_id, Web::MouseEvent const&) override;
virtual void drag_event(u64 page_id, Web::DragEvent const&) override;
virtual void ready_to_paint(u64 page_id) override;
virtual void debug_request(u64 page_id, ByteString const&, ByteString const&) override;
virtual void get_source(u64 page_id) override;
virtual void inspect_dom_tree(u64 page_id) override;
virtual void inspect_dom_node(u64 page_id, Web::UniqueNodeID const& node_id, Optional<Web::CSS::Selector::PseudoElement::Type> const& pseudo_element) override;
virtual void highlight_dom_node(u64 page_id, Web::UniqueNodeID const& node_id, Optional<Web::CSS::Selector::PseudoElement::Type> const& pseudo_element) override;
virtual void inspect_accessibility_tree(u64 page_id) override;
virtual void get_hovered_node_id(u64 page_id) override;
virtual void list_style_sheets(u64 page_id) override;
virtual void request_style_sheet_source(u64 page_id, Web::CSS::StyleSheetIdentifier const& identifier) override;
virtual void set_dom_node_text(u64 page_id, Web::UniqueNodeID const& node_id, String const& text) override;
virtual void set_dom_node_tag(u64 page_id, Web::UniqueNodeID const& node_id, String const& name) override;
virtual void add_dom_node_attributes(u64 page_id, Web::UniqueNodeID const& node_id, Vector<WebView::Attribute> const& attributes) override;
virtual void replace_dom_node_attribute(u64 page_id, Web::UniqueNodeID const& node_id, String const& name, Vector<WebView::Attribute> const& replacement_attributes) override;
virtual void create_child_element(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void create_child_text_node(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void clone_dom_node(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void remove_dom_node(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void get_dom_node_html(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void set_content_filters(u64 page_id, Vector<String> const&) override;
virtual void set_autoplay_allowed_on_all_websites(u64 page_id) override;
virtual void set_autoplay_allowlist(u64 page_id, Vector<String> const& allowlist) override;
virtual void set_proxy_mappings(u64 page_id, Vector<ByteString> const&, HashMap<ByteString, size_t> const&) override;
virtual void set_preferred_color_scheme(u64 page_id, Web::CSS::PreferredColorScheme const&) override;
virtual void set_preferred_contrast(u64 page_id, Web::CSS::PreferredContrast const&) override;
virtual void set_preferred_motion(u64 page_id, Web::CSS::PreferredMotion const&) override;
virtual void set_preferred_languages(u64 page_id, Vector<String> const&) override;
virtual void set_enable_do_not_track(u64 page_id, bool) override;
virtual void set_has_focus(u64 page_id, bool) override;
virtual void set_is_scripting_enabled(u64 page_id, bool) override;
virtual void set_device_pixels_per_css_pixel(u64 page_id, float) override;
virtual void set_window_position(u64 page_id, Web::DevicePixelPoint) override;
virtual void set_window_size(u64 page_id, Web::DevicePixelSize) override;
virtual void did_update_window_rect(u64 page_id) override;
virtual void handle_file_return(u64 page_id, i32 error, Optional<IPC::File> const& file, i32 request_id) override;
virtual void set_system_visibility_state(u64 page_id, Web::HTML::VisibilityState) override;
virtual void js_console_input(u64 page_id, ByteString const&) override;
virtual void run_javascript(u64 page_id, ByteString const&) override;
virtual void js_console_request_messages(u64 page_id, i32) override;
virtual void alert_closed(u64 page_id) override;
virtual void confirm_closed(u64 page_id, bool accepted) override;
virtual void prompt_closed(u64 page_id, Optional<String> const& response) override;
virtual void color_picker_update(u64 page_id, Optional<Color> const& picked_color, Web::HTML::ColorPickerUpdateState const& state) override;
virtual void file_picker_closed(u64 page_id, Vector<Web::HTML::SelectedFile> const& selected_files) override;
virtual void select_dropdown_closed(u64 page_id, Optional<u32> const& selected_item_id) override;
virtual void toggle_media_play_state(u64 page_id) override;
virtual void toggle_media_mute_state(u64 page_id) override;
virtual void toggle_media_loop_state(u64 page_id) override;
virtual void toggle_media_controls_state(u64 page_id) override;
virtual void toggle_page_mute_state(u64 page_id) override;
virtual void set_user_style(u64 page_id, String const&) override;
virtual void enable_inspector_prototype(u64 page_id) override;
virtual void take_document_screenshot(u64 page_id) override;
virtual void take_dom_node_screenshot(u64 page_id, Web::UniqueNodeID const& node_id) override;
virtual void request_internal_page_info(u64 page_id, WebView::PageInfoType) override;
virtual Messages::WebContentServer::GetLocalStorageEntriesResponse get_local_storage_entries(u64 page_id) override;
virtual Messages::WebContentServer::GetSessionStorageEntriesResponse get_session_storage_entries(u64 page_id) override;
virtual Messages::WebContentServer::GetSelectedTextResponse get_selected_text(u64 page_id) override;
virtual void select_all(u64 page_id) override;
virtual void find_in_page(u64 page_id, String const& query, CaseSensitivity) override;
virtual void find_in_page_next_match(u64 page_id) override;
virtual void find_in_page_previous_match(u64 page_id) override;
virtual void paste(u64 page_id, String const& text) override;
virtual void system_time_zone_changed() override;
GC::Heap& m_heap;
NonnullOwnPtr<PageHost> m_page_host;
HashMap<int, Web::FileRequest> m_requested_files {};
int last_id { 0 };
void enqueue_input_event(Web::QueuedInputEvent);
Queue<Web::QueuedInputEvent> m_input_event_queue;
};
}
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