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https://github.com/LadybirdBrowser/ladybird.git
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da171c3230
Choosing options from the `<select>` will load and display that style sheet's source text, with some checks to make sure that the text that just loaded is the one we currently want. The UI is a little goofy when scrolling, as it uses `position: sticky` which we don't implement yet. But that's just more motivation to implement it! :^)
294 lines
13 KiB
C++
294 lines
13 KiB
C++
/*
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* Copyright (c) 2022, Andreas Kling <kling@serenityos.org>
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* Copyright (c) 2023, Linus Groh <linusg@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Forward.h>
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#include <AK/Function.h>
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#include <AK/LexicalPath.h>
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#include <AK/Queue.h>
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#include <AK/String.h>
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#include <LibCore/Forward.h>
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#include <LibCore/Promise.h>
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#include <LibGfx/Forward.h>
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#include <LibGfx/StandardCursor.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/ActivateTab.h>
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#include <LibWeb/HTML/AudioPlayState.h>
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#include <LibWeb/HTML/ColorPickerUpdateState.h>
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#include <LibWeb/HTML/FileFilter.h>
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#include <LibWeb/HTML/SelectItem.h>
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#include <LibWeb/Page/InputEvent.h>
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#include <LibWebView/Forward.h>
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#include <LibWebView/WebContentClient.h>
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namespace WebView {
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class ViewImplementation {
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public:
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virtual ~ViewImplementation();
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struct DOMNodeProperties {
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String computed_style_json;
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String resolved_style_json;
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String custom_properties_json;
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String node_box_sizing_json;
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String aria_properties_state_json;
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String fonts_json;
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};
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void set_url(Badge<WebContentClient>, URL::URL url) { m_url = move(url); }
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URL::URL const& url() const { return m_url; }
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String const& handle() const { return m_client_state.client_handle; }
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void server_did_paint(Badge<WebContentClient>, i32 bitmap_id, Gfx::IntSize size);
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void load(URL::URL const&);
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void load_html(StringView);
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void load_empty_document();
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void reload();
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void traverse_the_history_by_delta(int delta);
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void zoom_in();
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void zoom_out();
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void reset_zoom();
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float zoom_level() const { return m_zoom_level; }
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float device_pixel_ratio() const { return m_device_pixel_ratio; }
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void enqueue_input_event(Web::InputEvent);
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void did_finish_handling_input_event(Badge<WebContentClient>, bool event_was_accepted);
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void set_preferred_color_scheme(Web::CSS::PreferredColorScheme);
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void set_preferred_contrast(Web::CSS::PreferredContrast);
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void set_preferred_motion(Web::CSS::PreferredMotion);
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void set_preferred_languages(Vector<String>);
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void set_enable_do_not_track(bool);
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ByteString selected_text();
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Optional<String> selected_text_with_whitespace_collapsed();
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void select_all();
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void find_in_page(String const& query, CaseSensitivity = CaseSensitivity::CaseInsensitive);
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void find_in_page_next_match();
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void find_in_page_previous_match();
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void paste(String const&);
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void get_source();
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void inspect_dom_tree();
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void inspect_dom_node(i32 node_id, Optional<Web::CSS::Selector::PseudoElement::Type> pseudo_element);
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void inspect_accessibility_tree();
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void clear_inspected_dom_node();
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void get_hovered_node_id();
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void set_dom_node_text(i32 node_id, String text);
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void set_dom_node_tag(i32 node_id, String name);
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void add_dom_node_attributes(i32 node_id, Vector<Attribute> attributes);
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void replace_dom_node_attribute(i32 node_id, String name, Vector<Attribute> replacement_attributes);
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void create_child_element(i32 node_id);
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void create_child_text_node(i32 node_id);
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void clone_dom_node(i32 node_id);
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void remove_dom_node(i32 node_id);
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void get_dom_node_html(i32 node_id);
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void list_style_sheets();
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void request_style_sheet_source(Web::CSS::StyleSheetIdentifier const&);
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void debug_request(ByteString const& request, ByteString const& argument = {});
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void run_javascript(StringView);
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void js_console_input(ByteString const& js_source);
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void js_console_request_messages(i32 start_index);
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void alert_closed();
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void confirm_closed(bool accepted);
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void prompt_closed(Optional<String> response);
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void color_picker_update(Optional<Color> picked_color, Web::HTML::ColorPickerUpdateState state);
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void file_picker_closed(Vector<Web::HTML::SelectedFile> selected_files);
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void select_dropdown_closed(Optional<u32> const& selected_item_id);
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void toggle_media_play_state();
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void toggle_media_mute_state();
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void toggle_media_loop_state();
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void toggle_media_controls_state();
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Web::HTML::MuteState page_mute_state() const { return m_mute_state; }
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void toggle_page_mute_state();
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void did_change_audio_play_state(Badge<WebContentClient>, Web::HTML::AudioPlayState);
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Web::HTML::AudioPlayState audio_play_state() const { return m_audio_play_state; }
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void did_update_navigation_buttons_state(Badge<WebContentClient>, bool back_enabled, bool forward_enabled) const;
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void did_allocate_backing_stores(Badge<WebContentClient>, i32 front_bitmap_id, Gfx::ShareableBitmap const&, i32 back_bitmap_id, Gfx::ShareableBitmap const&);
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#ifdef AK_OS_MACOS
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void did_allocate_iosurface_backing_stores(i32 front_bitmap_id, Core::MachPort&&, i32 back_bitmap_id, Core::MachPort&&);
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#endif
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enum class ScreenshotType {
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Visible,
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Full,
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};
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NonnullRefPtr<Core::Promise<LexicalPath>> take_screenshot(ScreenshotType);
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NonnullRefPtr<Core::Promise<LexicalPath>> take_dom_node_screenshot(i32);
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virtual void did_receive_screenshot(Badge<WebContentClient>, Gfx::ShareableBitmap const&);
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ErrorOr<LexicalPath> dump_gc_graph();
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void set_user_style_sheet(String source);
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// Load Native.css as the User style sheet, which attempts to make WebView content look as close to
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// native GUI widgets as possible.
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void use_native_user_style_sheet();
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void enable_inspector_prototype();
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Function<void(Gfx::IntSize)> on_did_layout;
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Function<void()> on_ready_to_paint;
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Function<String(Web::HTML::ActivateTab, Web::HTML::WebViewHints, Optional<u64>)> on_new_web_view;
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Function<void()> on_activate_tab;
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Function<void()> on_close;
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Function<void(Gfx::IntPoint screen_position)> on_context_menu_request;
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Function<void(URL::URL const&, Gfx::IntPoint screen_position)> on_link_context_menu_request;
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Function<void(URL::URL const&, Gfx::IntPoint screen_position, Gfx::ShareableBitmap const&)> on_image_context_menu_request;
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Function<void(Gfx::IntPoint screen_position, Web::Page::MediaContextMenu const&)> on_media_context_menu_request;
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Function<void(URL::URL const&)> on_link_hover;
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Function<void()> on_link_unhover;
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Function<void(URL::URL const&, ByteString const& target, unsigned modifiers)> on_link_click;
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Function<void(URL::URL const&, ByteString const& target, unsigned modifiers)> on_link_middle_click;
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Function<void(ByteString const&)> on_title_change;
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Function<void(URL::URL const&)> on_url_change;
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Function<void(URL::URL const&, bool)> on_load_start;
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Function<void(URL::URL const&)> on_load_finish;
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Function<void(ByteString const& path, i32)> on_request_file;
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Function<void()> on_navigate_back;
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Function<void()> on_navigate_forward;
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Function<void()> on_refresh;
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Function<void(Gfx::Bitmap const&)> on_favicon_change;
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Function<void(Gfx::StandardCursor)> on_cursor_change;
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Function<void(Gfx::IntPoint, ByteString const&)> on_request_tooltip_override;
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Function<void()> on_stop_tooltip_override;
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Function<void(ByteString const&)> on_enter_tooltip_area;
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Function<void()> on_leave_tooltip_area;
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Function<void(String const& message)> on_request_alert;
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Function<void(String const& message)> on_request_confirm;
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Function<void(String const& message, String const& default_)> on_request_prompt;
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Function<void(String const& message)> on_request_set_prompt_text;
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Function<void()> on_request_accept_dialog;
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Function<void()> on_request_dismiss_dialog;
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Function<void(URL::URL const&, ByteString const&)> on_received_source;
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Function<void(ByteString const&)> on_received_dom_tree;
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Function<void(Optional<DOMNodeProperties>)> on_received_dom_node_properties;
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Function<void(ByteString const&)> on_received_accessibility_tree;
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Function<void(Vector<Web::CSS::StyleSheetIdentifier>)> on_received_style_sheet_list;
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Function<void(Web::CSS::StyleSheetIdentifier const&)> on_inspector_requested_style_sheet_source;
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Function<void(Web::CSS::StyleSheetIdentifier const&, String const&)> on_received_style_sheet_source;
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Function<void(i32 node_id)> on_received_hovered_node_id;
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Function<void(Optional<i32> const& node_id)> on_finshed_editing_dom_node;
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Function<void(String const&)> on_received_dom_node_html;
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Function<void(i32 message_id)> on_received_console_message;
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Function<void(i32 start_index, Vector<ByteString> const& message_types, Vector<ByteString> const& messages)> on_received_console_messages;
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Function<Vector<Web::Cookie::Cookie>(URL::URL const& url)> on_get_all_cookies;
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Function<Optional<Web::Cookie::Cookie>(URL::URL const& url, String const& name)> on_get_named_cookie;
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Function<String(URL::URL const& url, Web::Cookie::Source source)> on_get_cookie;
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Function<void(URL::URL const& url, Web::Cookie::ParsedCookie const& cookie, Web::Cookie::Source source)> on_set_cookie;
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Function<void(Web::Cookie::Cookie const& cookie)> on_update_cookie;
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Function<void(i32 count_waiting)> on_resource_status_change;
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Function<void()> on_restore_window;
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Function<Gfx::IntPoint(Gfx::IntPoint)> on_reposition_window;
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Function<Gfx::IntSize(Gfx::IntSize)> on_resize_window;
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Function<Gfx::IntRect()> on_maximize_window;
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Function<Gfx::IntRect()> on_minimize_window;
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Function<Gfx::IntRect()> on_fullscreen_window;
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Function<void(Color current_color)> on_request_color_picker;
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Function<void(Web::HTML::FileFilter const& accepted_file_types, Web::HTML::AllowMultipleFiles)> on_request_file_picker;
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Function<void(Gfx::IntPoint content_position, i32 minimum_width, Vector<Web::HTML::SelectItem> items)> on_request_select_dropdown;
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Function<void(Web::KeyEvent const&)> on_finish_handling_key_event;
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Function<void(Web::DragEvent const&)> on_finish_handling_drag_event;
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Function<void()> on_text_test_finish;
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Function<void(size_t current_match_index, Optional<size_t> const& total_match_count)> on_find_in_page;
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Function<void(Gfx::Color)> on_theme_color_change;
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Function<void(String const&, String const&, String const&)> on_insert_clipboard_entry;
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Function<void(Web::HTML::AudioPlayState)> on_audio_play_state_changed;
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Function<void(bool, bool)> on_navigation_buttons_state_changed;
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Function<void()> on_inspector_loaded;
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Function<void(i32, Optional<Web::CSS::Selector::PseudoElement::Type> const&)> on_inspector_selected_dom_node;
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Function<void(i32, String const&)> on_inspector_set_dom_node_text;
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Function<void(i32, String const&)> on_inspector_set_dom_node_tag;
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Function<void(i32, Vector<Attribute> const&)> on_inspector_added_dom_node_attributes;
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Function<void(i32, size_t, Vector<Attribute> const&)> on_inspector_replaced_dom_node_attribute;
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Function<void(i32, Gfx::IntPoint, String const&, Optional<String> const&, Optional<size_t> const&)> on_inspector_requested_dom_tree_context_menu;
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Function<void(String const&)> on_inspector_executed_console_script;
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Function<void(String const&)> on_inspector_exported_inspector_html;
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Function<IPC::File()> on_request_worker_agent;
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virtual Web::DevicePixelSize viewport_size() const = 0;
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virtual Gfx::IntPoint to_content_position(Gfx::IntPoint widget_position) const = 0;
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virtual Gfx::IntPoint to_widget_position(Gfx::IntPoint content_position) const = 0;
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protected:
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static constexpr auto ZOOM_MIN_LEVEL = 0.3f;
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static constexpr auto ZOOM_MAX_LEVEL = 5.0f;
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static constexpr auto ZOOM_STEP = 0.1f;
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ViewImplementation();
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WebContentClient& client();
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WebContentClient const& client() const;
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u64 page_id() const;
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virtual void update_zoom() = 0;
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void handle_resize();
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enum class CreateNewClient {
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No,
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Yes,
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};
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virtual void initialize_client(CreateNewClient = CreateNewClient::Yes) { }
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void handle_web_content_process_crash();
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struct SharedBitmap {
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i32 id { -1 };
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Web::DevicePixelSize last_painted_size;
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RefPtr<Gfx::Bitmap> bitmap;
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};
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struct ClientState {
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RefPtr<WebContentClient> client;
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String client_handle;
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SharedBitmap front_bitmap;
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SharedBitmap back_bitmap;
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u64 page_index { 0 };
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bool has_usable_bitmap { false };
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} m_client_state;
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URL::URL m_url;
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float m_zoom_level { 1.0 };
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float m_device_pixel_ratio { 1.0 };
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Queue<Web::InputEvent> m_pending_input_events;
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RefPtr<Core::Timer> m_backing_store_shrink_timer;
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RefPtr<Gfx::Bitmap> m_backup_bitmap;
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Web::DevicePixelSize m_backup_bitmap_size;
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size_t m_crash_count = 0;
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RefPtr<Core::Timer> m_repeated_crash_timer;
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RefPtr<Core::Promise<LexicalPath>> m_pending_screenshot;
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Web::HTML::AudioPlayState m_audio_play_state { Web::HTML::AudioPlayState::Paused };
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size_t m_number_of_elements_playing_audio { 0 };
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Web::HTML::MuteState m_mute_state { Web::HTML::MuteState::Unmuted };
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};
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}
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