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ladybird/Libraries/LibWebView/WebContentClient.h
Timothy Flynn b169a98495 LibWeb+LibWebView+WebContent: Introduce a basic about:settings page 
This adds a basic settings page to manage persistent Ladybird settings.
As a first pass, this exposes settings for the new tab page URL and the
default search engine.

The way the search engine option works is that once search is enabled,
the user must choose their default search engine; we do not apply any
default automatically. Search remains disabled until this is done.

There are a couple of improvements that we should make here:

* Settings changes are not broadcasted to all open about:settings pages.
  So if two instances are open, and the user changes the search engine
  in one instance, the other instance will have a stale UI.

* Adding an IPC per setting is going to get annoying. It would be nice
  if we can come up with a smaller set of IPCs to send only the relevant
  changed settings.
2025-03-22 17:27:45 +01:00

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/*
* Copyright (c) 2020-2021, Andreas Kling <andreas@ladybird.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/HashMap.h>
#include <AK/SourceLocation.h>
#include <LibIPC/ConnectionToServer.h>
#include <LibIPC/Transport.h>
#include <LibWeb/CSS/StyleSheetIdentifier.h>
#include <LibWeb/HTML/ActivateTab.h>
#include <LibWeb/HTML/FileFilter.h>
#include <LibWeb/HTML/SelectItem.h>
#include <LibWeb/HTML/WebViewHints.h>
#include <LibWeb/Page/EventResult.h>
#include <LibWebView/Forward.h>
#include <WebContent/WebContentClientEndpoint.h>
#include <WebContent/WebContentServerEndpoint.h>
namespace WebView {
class ViewImplementation;
class WebContentClient final
: public IPC::ConnectionToServer<WebContentClientEndpoint, WebContentServerEndpoint>
, public WebContentClientEndpoint {
C_OBJECT_ABSTRACT(WebContentClient);
public:
using InitTransport = Messages::WebContentServer::InitTransport;
static Optional<ViewImplementation&> view_for_pid_and_page_id(pid_t pid, u64 page_id);
template<CallableAs<IterationDecision, WebContentClient&> Callback>
static void for_each_client(Callback callback);
static size_t client_count() { return s_clients.size(); }
explicit WebContentClient(IPC::Transport);
WebContentClient(IPC::Transport, ViewImplementation&);
~WebContentClient();
void assign_view(Badge<Application>, ViewImplementation&);
void register_view(u64 page_id, ViewImplementation&);
void unregister_view(u64 page_id);
Function<void()> on_web_content_process_crash;
pid_t pid() const { return m_process_handle.pid; }
void set_pid(pid_t pid) { m_process_handle.pid = pid; }
private:
virtual void die() override;
virtual void did_paint(u64 page_id, Gfx::IntRect, i32) override;
virtual void did_request_new_process_for_navigation(u64 page_id, URL::URL url) override;
virtual void did_finish_loading(u64 page_id, URL::URL) override;
virtual void did_request_refresh(u64 page_id) override;
virtual void did_request_cursor_change(u64 page_id, Gfx::Cursor) override;
virtual void did_change_title(u64 page_id, ByteString) override;
virtual void did_change_url(u64 page_id, URL::URL) override;
virtual void did_request_tooltip_override(u64 page_id, Gfx::IntPoint, ByteString) override;
virtual void did_stop_tooltip_override(u64 page_id) override;
virtual void did_enter_tooltip_area(u64 page_id, ByteString) override;
virtual void did_leave_tooltip_area(u64 page_id) override;
virtual void did_hover_link(u64 page_id, URL::URL) override;
virtual void did_unhover_link(u64 page_id) override;
virtual void did_click_link(u64 page_id, URL::URL, ByteString, unsigned) override;
virtual void did_middle_click_link(u64 page_id, URL::URL, ByteString, unsigned) override;
virtual void did_start_loading(u64 page_id, URL::URL, bool) override;
virtual void did_request_context_menu(u64 page_id, Gfx::IntPoint) override;
virtual void did_request_link_context_menu(u64 page_id, Gfx::IntPoint, URL::URL, ByteString, unsigned) override;
virtual void did_request_image_context_menu(u64 page_id, Gfx::IntPoint, URL::URL, ByteString, unsigned, Optional<Gfx::ShareableBitmap>) override;
virtual void did_request_media_context_menu(u64 page_id, Gfx::IntPoint, ByteString, unsigned, Web::Page::MediaContextMenu) override;
virtual void did_get_source(u64 page_id, URL::URL, URL::URL, String) override;
virtual void did_inspect_dom_tree(u64 page_id, String) override;
virtual void did_inspect_dom_node(u64 page_id, DOMNodeProperties) override;
virtual void did_inspect_accessibility_tree(u64 page_id, String) override;
virtual void did_get_hovered_node_id(u64 page_id, Web::UniqueNodeID node_id) override;
virtual void did_finish_editing_dom_node(u64 page_id, Optional<Web::UniqueNodeID> node_id) override;
virtual void did_mutate_dom(u64 page_id, Mutation) override;
virtual void did_get_dom_node_html(u64 page_id, String html) override;
virtual void did_list_style_sheets(u64 page_id, Vector<Web::CSS::StyleSheetIdentifier> stylesheets) override;
virtual void did_get_style_sheet_source(u64 page_id, Web::CSS::StyleSheetIdentifier identifier, URL::URL, String source) override;
virtual void did_take_screenshot(u64 page_id, Gfx::ShareableBitmap screenshot) override;
virtual void did_get_internal_page_info(u64 page_id, PageInfoType, String) override;
virtual void did_execute_js_console_input(u64 page_id, JsonValue) override;
virtual void did_output_js_console_message(u64 page_id, i32 message_index) override;
virtual void did_get_styled_js_console_messages(u64 page_id, i32 start_index, Vector<String> message_types, Vector<String> messages) override;
virtual void did_get_unstyled_js_console_messages(u64 page_id, i32 start_index, Vector<ConsoleOutput>) override;
virtual void did_change_favicon(u64 page_id, Gfx::ShareableBitmap) override;
virtual void did_request_alert(u64 page_id, String) override;
virtual void did_request_confirm(u64 page_id, String) override;
virtual void did_request_prompt(u64 page_id, String, String) override;
virtual void did_request_set_prompt_text(u64 page_id, String message) override;
virtual void did_request_accept_dialog(u64 page_id) override;
virtual void did_request_dismiss_dialog(u64 page_id) override;
virtual Messages::WebContentClient::DidRequestAllCookiesResponse did_request_all_cookies(URL::URL) override;
virtual Messages::WebContentClient::DidRequestNamedCookieResponse did_request_named_cookie(URL::URL, String) override;
virtual Messages::WebContentClient::DidRequestCookieResponse did_request_cookie(URL::URL, Web::Cookie::Source) override;
virtual void did_set_cookie(URL::URL, Web::Cookie::ParsedCookie, Web::Cookie::Source) override;
virtual void did_update_cookie(Web::Cookie::Cookie) override;
virtual void did_expire_cookies_with_time_offset(AK::Duration) override;
virtual Messages::WebContentClient::DidRequestNewWebViewResponse did_request_new_web_view(u64 page_id, Web::HTML::ActivateTab, Web::HTML::WebViewHints, Optional<u64> page_index) override;
virtual void did_request_activate_tab(u64 page_id) override;
virtual void did_close_browsing_context(u64 page_id) override;
virtual void did_update_resource_count(u64 page_id, i32 count_waiting) override;
virtual void did_request_restore_window(u64 page_id) override;
virtual void did_request_reposition_window(u64 page_id, Gfx::IntPoint) override;
virtual void did_request_resize_window(u64 page_id, Gfx::IntSize) override;
virtual void did_request_maximize_window(u64 page_id) override;
virtual void did_request_minimize_window(u64 page_id) override;
virtual void did_request_fullscreen_window(u64 page_id) override;
virtual void did_request_file(u64 page_id, ByteString path, i32) override;
virtual void did_request_color_picker(u64 page_id, Color current_color) override;
virtual void did_request_file_picker(u64 page_id, Web::HTML::FileFilter accepted_file_types, Web::HTML::AllowMultipleFiles) override;
virtual void did_request_select_dropdown(u64 page_id, Gfx::IntPoint content_position, i32 minimum_width, Vector<Web::HTML::SelectItem> items) override;
virtual void did_finish_handling_input_event(u64 page_id, Web::EventResult event_result) override;
virtual void did_finish_test(u64 page_id, String text) override;
virtual void did_set_test_timeout(u64 page_id, double milliseconds) override;
virtual void did_set_browser_zoom(u64 page_id, double factor) override;
virtual void did_find_in_page(u64 page_id, size_t current_match_index, Optional<size_t> total_match_count) override;
virtual void did_change_theme_color(u64 page_id, Gfx::Color color) override;
virtual void did_insert_clipboard_entry(u64 page_id, String data, String presentation_style, String mime_type) override;
virtual void did_change_audio_play_state(u64 page_id, Web::HTML::AudioPlayState) override;
virtual void did_update_navigation_buttons_state(u64 page_id, bool back_enabled, bool forward_enabled) override;
virtual void did_allocate_backing_stores(u64 page_id, i32 front_bitmap_id, Gfx::ShareableBitmap, i32 back_bitmap_id, Gfx::ShareableBitmap) override;
virtual Messages::WebContentClient::RequestWorkerAgentResponse request_worker_agent(u64 page_id) override;
virtual void update_process_statistics(u64 page_id) override;
virtual void request_current_settings(u64 page_id) override;
virtual void restore_default_settings(u64 page_id) override;
virtual void set_new_tab_page_url(u64 page_id, URL::URL new_tab_page_url) override;
virtual void request_available_search_engines(u64 page_id) override;
virtual void set_search_engine(u64 page_id, Optional<String> search_engine) override;
Optional<ViewImplementation&> view_for_page_id(u64, SourceLocation = SourceLocation::current());
// FIXME: Does a HashMap holding references make sense?
HashMap<u64, ViewImplementation*> m_views;
ProcessHandle m_process_handle;
static HashTable<WebContentClient*> s_clients;
};
template<CallableAs<IterationDecision, WebContentClient&> Callback>
void WebContentClient::for_each_client(Callback callback)
{
for (auto& it : s_clients) {
if (callback(*it) == IterationDecision::Break)
return;
}
}
}
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