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1aeb08025038b8810118a4871c2894de54960dac
ladybird/Services/WebContent/ConnectionFromClient.h
Shannon Booth de14978046 LibWeb: Implement cross process BroadcastChannel delivery 
Route BroadcastChannel messages over IPC so matching channels can
receive them across WebContent and WebWorker processes, rather than only
within a single process.

Each channel now serializes its payload, sends it upward over IPC, and
receiving processes deliver it locally after matching by storage key and
channel name.
2026-04-14 18:43:28 +02:00

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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/Page/ViewportIsFullscreen.h>
#include <LibWeb/Platform/Timer.h>
#include <LibWebView/DOMNodeProperties.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::TransportHandle const&)> on_request_server_connection;
Function<void(IPC::TransportHandle const&)> on_image_decoder_connection;
Queue<Web::QueuedInputEvent>& input_event_queue() { return m_input_event_queue; }
private:
explicit ConnectionFromClient(NonnullOwnPtr<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 handle) override;
virtual void connect_to_webdriver(u64 page_id, ByteString webdriver_endpoint) override;
virtual void connect_to_web_ui(u64 page_id, IPC::TransportHandle handle) override;
virtual void connect_to_request_server(IPC::TransportHandle handle) override;
virtual void connect_to_image_decoder(IPC::TransportHandle handle) override;
virtual void update_system_theme(u64 page_id, Core::AnonymousBuffer) override;
virtual void update_screen_rects(u64 page_id, Vector<Web::DevicePixelRect>, u32) override;
virtual void load_url(u64 page_id, URL::URL) override;
virtual void load_html(u64 page_id, ByteString) 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(u64 page_id, Web::DevicePixelSize, double device_pixel_ratio, Web::ViewportIsFullscreen is_fullscreen) override;
virtual void key_event(u64 page_id, Web::KeyEvent) override;
virtual void mouse_event(u64 page_id, Web::MouseEvent) override;
virtual void drag_event(u64 page_id, Web::DragEvent) override;
virtual void pinch_event(u64 page_id, Web::PinchEvent) override;
virtual void ready_to_paint(u64 page_id) override;
virtual void debug_request(u64 page_id, ByteString, ByteString) 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, WebView::DOMNodeProperties::Type, Web::UniqueNodeID node_id, Optional<Web::CSS::PseudoElement> pseudo_element) override;
virtual void clear_inspected_dom_node(u64 page_id) override;
virtual void highlight_dom_node(u64 page_id, Web::UniqueNodeID node_id, Optional<Web::CSS::PseudoElement> 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 identifier) override;
virtual void set_listen_for_dom_mutations(u64 page_id, bool) override;
virtual void did_connect_devtools_client(u64 page_id) override;
virtual void did_disconnect_devtools_client(u64 page_id) override;
virtual void get_dom_node_inner_html(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void get_dom_node_outer_html(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void set_dom_node_outer_html(u64 page_id, Web::UniqueNodeID node_id, String html) override;
virtual void set_dom_node_text(u64 page_id, Web::UniqueNodeID node_id, String text) override;
virtual void set_dom_node_tag(u64 page_id, Web::UniqueNodeID node_id, String name) override;
virtual void add_dom_node_attributes(u64 page_id, Web::UniqueNodeID node_id, Vector<WebView::Attribute> attributes) override;
virtual void replace_dom_node_attribute(u64 page_id, Web::UniqueNodeID node_id, String name, Vector<WebView::Attribute> replacement_attributes) override;
virtual void create_child_element(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void create_child_text_node(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void insert_dom_node_before(u64 page_id, Web::UniqueNodeID node_id, Web::UniqueNodeID parent_node_id, Optional<Web::UniqueNodeID> sibling_node_id) override;
virtual void clone_dom_node(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void remove_dom_node(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void set_content_filters(u64 page_id, Vector<String>) override;
virtual void set_autoplay_allowed_on_all_websites(u64 page_id) override;
virtual void set_autoplay_allowlist(u64 page_id, Vector<String> allowlist) override;
virtual void set_proxy_mappings(u64 page_id, Vector<ByteString>, HashMap<ByteString, size_t>) override;
virtual void set_preferred_color_scheme(u64 page_id, Web::CSS::PreferredColorScheme) override;
virtual void set_preferred_contrast(u64 page_id, Web::CSS::PreferredContrast) override;
virtual void set_preferred_motion(u64 page_id, Web::CSS::PreferredMotion) override;
virtual void set_preferred_languages(u64 page_id, Vector<String>) override;
virtual void set_browsing_behavior(u64 page_id, WebView::BrowsingBehavior) override;
virtual void set_enable_global_privacy_control(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_zoom_level(u64 page_id, double zoom_level) override;
virtual void set_maximum_frames_per_second(u64 page_id, double) 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> file, i32 request_id) override;
virtual void set_system_visibility_state(u64 page_id, Web::HTML::VisibilityState) override;
virtual void reset_zoom(u64 page_id) override;
virtual void js_console_input(u64 page_id, String) override;
virtual void run_javascript(u64 page_id, String) 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> response) override;
virtual void color_picker_update(u64 page_id, Optional<Color> picked_color, Web::HTML::ColorPickerUpdateState state) override;
virtual void file_picker_closed(u64 page_id, Vector<Web::HTML::SelectedFile> selected_files) override;
virtual void select_dropdown_closed(u64 page_id, Optional<u32> selected_item_id) override;
virtual void retrieved_clipboard_entries(u64 page_id, u64 request_id, Vector<Web::Clipboard::SystemClipboardItem>) 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_fullscreen_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) override;
virtual void take_document_screenshot(u64 page_id) override;
virtual void take_dom_node_screenshot(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void request_internal_page_info(u64 page_id, WebView::PageInfoType) 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 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, Utf16String text) override;
virtual void system_time_zone_changed() override;
virtual void set_document_cookie_version_buffer(u64 page_id, Core::AnonymousBuffer document_cookie_version_buffer) override;
virtual void set_document_cookie_version_index(u64 page_id, i64 document_id, Core::SharedVersionIndex document_index) override;
virtual void cookies_changed(u64 page_id, Vector<HTTP::Cookie::Cookie>) override;
virtual void broadcast_channel_message(Web::HTML::BroadcastChannelMessage message) override;
virtual void request_close(u64 page_id) override;
virtual void exit_fullscreen(u64 page_id) override;
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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