jcs.org
Serenity Operating System
1/*
2 * Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
3 *
4 * SPDX-License-Identifier: BSD-2-Clause
5 */
6
7#include "OutOfProcessWebView.h"
8#include "WebContentClient.h"
9#include <AK/DeprecatedString.h>
10#include <LibFileSystemAccessClient/Client.h>
11#include <LibGUI/Application.h>
12#include <LibGUI/Desktop.h>
13#include <LibGUI/Dialog.h>
14#include <LibGUI/InputBox.h>
15#include <LibGUI/MessageBox.h>
16#include <LibGUI/Painter.h>
17#include <LibGUI/Scrollbar.h>
18#include <LibGUI/Window.h>
19#include <LibGfx/Font/FontDatabase.h>
20#include <LibGfx/Palette.h>
21#include <LibGfx/SystemTheme.h>
22
23REGISTER_WIDGET(WebView, OutOfProcessWebView)
24
25namespace WebView {
26
27OutOfProcessWebView::OutOfProcessWebView()
28{
29 set_should_hide_unnecessary_scrollbars(true);
30 set_focus_policy(GUI::FocusPolicy::StrongFocus);
31
32 create_client();
33}
34
35OutOfProcessWebView::~OutOfProcessWebView() = default;
36
37void OutOfProcessWebView::handle_web_content_process_crash()
38{
39 create_client();
40 VERIFY(m_client_state.client);
41
42 // Don't keep a stale backup bitmap around.
43 m_backup_bitmap = nullptr;
44
45 handle_resize();
46 StringBuilder builder;
47 builder.append("<html><head><title>Crashed: "sv);
48 builder.append(escape_html_entities(m_url.to_deprecated_string()));
49 builder.append("</title></head><body>"sv);
50 builder.append("<h1>Web page crashed"sv);
51 if (!m_url.host().is_empty()) {
52 builder.appendff(" on {}", escape_html_entities(m_url.host()));
53 }
54 builder.append("</h1>"sv);
55 auto escaped_url = escape_html_entities(m_url.to_deprecated_string());
56 builder.appendff("The web page <a href=\"{}\">{}</a> has crashed.<br><br>You can reload the page to try again.", escaped_url, escaped_url);
57 builder.append("</body></html>"sv);
58 load_html(builder.to_deprecated_string(), m_url);
59}
60
61void OutOfProcessWebView::create_client()
62{
63 m_client_state = {};
64
65 m_client_state.client = WebContentClient::try_create(*this).release_value_but_fixme_should_propagate_errors();
66 m_client_state.client->on_web_content_process_crash = [this] {
67 deferred_invoke([this] {
68 handle_web_content_process_crash();
69 });
70 };
71
72 client().async_update_system_theme(Gfx::current_system_theme_buffer());
73 client().async_update_system_fonts(Gfx::FontDatabase::default_font_query(), Gfx::FontDatabase::fixed_width_font_query(), Gfx::FontDatabase::window_title_font_query());
74 client().async_update_screen_rects(GUI::Desktop::the().rects(), GUI::Desktop::the().main_screen_index());
75}
76
77void OutOfProcessWebView::paint_event(GUI::PaintEvent& event)
78{
79 Super::paint_event(event);
80
81 // If the available size is empty, we don't have a front or back bitmap to draw.
82 if (available_size().is_empty())
83 return;
84
85 GUI::Painter painter(*this);
86 painter.add_clip_rect(event.rect());
87
88 if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.bitmap.ptr() : m_backup_bitmap.ptr()) {
89 painter.add_clip_rect(frame_inner_rect());
90 painter.translate(frame_thickness(), frame_thickness());
91 if (m_content_scales_to_viewport)
92 painter.draw_scaled_bitmap(rect(), *bitmap, bitmap->rect());
93 else
94 painter.blit({ 0, 0 }, *bitmap, bitmap->rect());
95 return;
96 }
97
98 painter.fill_rect(frame_inner_rect(), palette().base());
99}
100
101void OutOfProcessWebView::resize_event(GUI::ResizeEvent& event)
102{
103 Super::resize_event(event);
104 handle_resize();
105}
106
107void OutOfProcessWebView::handle_resize()
108{
109 client().async_set_viewport_rect(Gfx::IntRect({ horizontal_scrollbar().value(), vertical_scrollbar().value() }, available_size()));
110
111 if (m_client_state.has_usable_bitmap) {
112 // NOTE: We keep the outgoing front bitmap as a backup so we have something to paint until we get a new one.
113 m_backup_bitmap = m_client_state.front_bitmap.bitmap;
114 }
115
116 if (m_client_state.front_bitmap.bitmap)
117 client().async_remove_backing_store(m_client_state.front_bitmap.id);
118
119 if (m_client_state.back_bitmap.bitmap)
120 client().async_remove_backing_store(m_client_state.back_bitmap.id);
121
122 m_client_state.front_bitmap = {};
123 m_client_state.back_bitmap = {};
124 m_client_state.has_usable_bitmap = false;
125
126 if (available_size().is_empty())
127 return;
128
129 if (auto new_bitmap_or_error = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRx8888, available_size()); !new_bitmap_or_error.is_error()) {
130 m_client_state.front_bitmap.bitmap = new_bitmap_or_error.release_value();
131 m_client_state.front_bitmap.id = m_client_state.next_bitmap_id++;
132 client().async_add_backing_store(m_client_state.front_bitmap.id, m_client_state.front_bitmap.bitmap->to_shareable_bitmap());
133 }
134
135 if (auto new_bitmap_or_error = Gfx::Bitmap::create_shareable(Gfx::BitmapFormat::BGRx8888, available_size()); !new_bitmap_or_error.is_error()) {
136 m_client_state.back_bitmap.bitmap = new_bitmap_or_error.release_value();
137 m_client_state.back_bitmap.id = m_client_state.next_bitmap_id++;
138 client().async_add_backing_store(m_client_state.back_bitmap.id, m_client_state.back_bitmap.bitmap->to_shareable_bitmap());
139 }
140
141 request_repaint();
142}
143
144void OutOfProcessWebView::update_zoom()
145{
146 client().async_set_device_pixels_per_css_pixel(m_device_pixel_ratio * m_zoom_level);
147 // FIXME: Refactor this into separate update_viewport_rect() + request_repaint() like in Ladybird
148 handle_resize();
149}
150
151void OutOfProcessWebView::keydown_event(GUI::KeyEvent& event)
152{
153 enqueue_input_event(event);
154}
155
156void OutOfProcessWebView::keyup_event(GUI::KeyEvent& event)
157{
158 enqueue_input_event(event);
159}
160
161void OutOfProcessWebView::mousedown_event(GUI::MouseEvent& event)
162{
163 enqueue_input_event(event);
164}
165
166void OutOfProcessWebView::mouseup_event(GUI::MouseEvent& event)
167{
168 enqueue_input_event(event);
169
170 if (event.button() == GUI::MouseButton::Backward && on_back_button) {
171 on_back_button();
172 } else if (event.button() == GUI::MouseButton::Forward && on_forward_button) {
173 on_forward_button();
174 }
175}
176
177void OutOfProcessWebView::mousemove_event(GUI::MouseEvent& event)
178{
179 enqueue_input_event(event);
180}
181
182void OutOfProcessWebView::mousewheel_event(GUI::MouseEvent& event)
183{
184 enqueue_input_event(event);
185}
186
187void OutOfProcessWebView::doubleclick_event(GUI::MouseEvent& event)
188{
189 enqueue_input_event(event);
190}
191
192void OutOfProcessWebView::theme_change_event(GUI::ThemeChangeEvent& event)
193{
194 Super::theme_change_event(event);
195 client().async_update_system_theme(Gfx::current_system_theme_buffer());
196 request_repaint();
197}
198
199void OutOfProcessWebView::screen_rects_change_event(GUI::ScreenRectsChangeEvent& event)
200{
201 client().async_update_screen_rects(event.rects(), event.main_screen_index());
202}
203
204void OutOfProcessWebView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id)
205{
206 if (m_client_state.back_bitmap.id == bitmap_id) {
207 m_client_state.has_usable_bitmap = true;
208 m_client_state.back_bitmap.pending_paints--;
209 swap(m_client_state.back_bitmap, m_client_state.front_bitmap);
210 // We don't need the backup bitmap anymore, so drop it.
211 m_backup_bitmap = nullptr;
212 update();
213
214 if (m_client_state.got_repaint_requests_while_painting) {
215 m_client_state.got_repaint_requests_while_painting = false;
216 request_repaint();
217 }
218 }
219}
220
221void OutOfProcessWebView::notify_server_did_invalidate_content_rect(Badge<WebContentClient>, [[maybe_unused]] Gfx::IntRect const& content_rect)
222{
223 request_repaint();
224}
225
226void OutOfProcessWebView::notify_server_did_change_selection(Badge<WebContentClient>)
227{
228 request_repaint();
229}
230
231void OutOfProcessWebView::notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor)
232{
233 set_override_cursor(cursor);
234}
235
236void OutOfProcessWebView::notify_server_did_layout(Badge<WebContentClient>, Gfx::IntSize content_size)
237{
238 set_content_size(content_size);
239}
240
241void OutOfProcessWebView::notify_server_did_change_title(Badge<WebContentClient>, DeprecatedString const& title)
242{
243 if (on_title_change)
244 on_title_change(title);
245}
246
247void OutOfProcessWebView::notify_server_did_request_scroll(Badge<WebContentClient>, i32 x_delta, i32 y_delta)
248{
249 horizontal_scrollbar().increase_slider_by(x_delta);
250 vertical_scrollbar().increase_slider_by(y_delta);
251}
252
253void OutOfProcessWebView::notify_server_did_request_scroll_to(Badge<WebContentClient>, Gfx::IntPoint scroll_position)
254{
255 horizontal_scrollbar().set_value(scroll_position.x());
256 vertical_scrollbar().set_value(scroll_position.y());
257}
258
259void OutOfProcessWebView::notify_server_did_request_scroll_into_view(Badge<WebContentClient>, Gfx::IntRect const& rect)
260{
261 scroll_into_view(rect, true, true);
262}
263
264void OutOfProcessWebView::notify_server_did_enter_tooltip_area(Badge<WebContentClient>, Gfx::IntPoint, DeprecatedString const& title)
265{
266 GUI::Application::the()->show_tooltip(title, nullptr);
267}
268
269void OutOfProcessWebView::notify_server_did_leave_tooltip_area(Badge<WebContentClient>)
270{
271 GUI::Application::the()->hide_tooltip();
272}
273
274void OutOfProcessWebView::notify_server_did_hover_link(Badge<WebContentClient>, const AK::URL& url)
275{
276 if (on_link_hover)
277 on_link_hover(url);
278}
279
280void OutOfProcessWebView::notify_server_did_unhover_link(Badge<WebContentClient>)
281{
282 set_override_cursor(Gfx::StandardCursor::None);
283 if (on_link_hover)
284 on_link_hover({});
285}
286
287void OutOfProcessWebView::notify_server_did_click_link(Badge<WebContentClient>, const AK::URL& url, DeprecatedString const& target, unsigned int modifiers)
288{
289 if (on_link_click)
290 on_link_click(url, target, modifiers);
291}
292
293void OutOfProcessWebView::notify_server_did_middle_click_link(Badge<WebContentClient>, const AK::URL& url, DeprecatedString const& target, unsigned int modifiers)
294{
295 if (on_link_middle_click)
296 on_link_middle_click(url, target, modifiers);
297}
298
299void OutOfProcessWebView::notify_server_did_start_loading(Badge<WebContentClient>, const AK::URL& url, bool is_redirect)
300{
301 m_url = url;
302 if (on_load_start)
303 on_load_start(url, is_redirect);
304}
305
306void OutOfProcessWebView::notify_server_did_finish_loading(Badge<WebContentClient>, const AK::URL& url)
307{
308 m_url = url;
309 if (on_load_finish)
310 on_load_finish(url);
311}
312
313void OutOfProcessWebView::notify_server_did_request_navigate_back(Badge<WebContentClient>)
314{
315 if (on_navigate_back)
316 on_navigate_back();
317}
318
319void OutOfProcessWebView::notify_server_did_request_navigate_forward(Badge<WebContentClient>)
320{
321 if (on_navigate_forward)
322 on_navigate_forward();
323}
324
325void OutOfProcessWebView::notify_server_did_request_refresh(Badge<WebContentClient>)
326{
327 if (on_refresh)
328 on_refresh();
329}
330
331void OutOfProcessWebView::notify_server_did_request_context_menu(Badge<WebContentClient>, Gfx::IntPoint content_position)
332{
333 if (on_context_menu_request)
334 on_context_menu_request(screen_relative_rect().location().translated(to_widget_position(content_position)));
335}
336
337void OutOfProcessWebView::notify_server_did_request_link_context_menu(Badge<WebContentClient>, Gfx::IntPoint content_position, const AK::URL& url, DeprecatedString const&, unsigned)
338{
339 if (on_link_context_menu_request)
340 on_link_context_menu_request(url, screen_relative_rect().location().translated(to_widget_position(content_position)));
341}
342
343void OutOfProcessWebView::notify_server_did_request_image_context_menu(Badge<WebContentClient>, Gfx::IntPoint content_position, const AK::URL& url, DeprecatedString const&, unsigned, Gfx::ShareableBitmap const& bitmap)
344{
345 if (on_image_context_menu_request)
346 on_image_context_menu_request(url, screen_relative_rect().location().translated(to_widget_position(content_position)), bitmap);
347}
348
349void OutOfProcessWebView::notify_server_did_request_alert(Badge<WebContentClient>, DeprecatedString const& message)
350{
351 m_dialog = GUI::MessageBox::construct(window(), message, "Alert"sv, GUI::MessageBox::Type::Information, GUI::MessageBox::InputType::OK);
352 m_dialog->set_icon(window()->icon());
353 m_dialog->exec();
354
355 client().async_alert_closed();
356 m_dialog = nullptr;
357}
358
359void OutOfProcessWebView::notify_server_did_request_confirm(Badge<WebContentClient>, DeprecatedString const& message)
360{
361 m_dialog = GUI::MessageBox::construct(window(), message, "Confirm"sv, GUI::MessageBox::Type::Warning, GUI::MessageBox::InputType::OKCancel);
362 m_dialog->set_icon(window()->icon());
363
364 client().async_confirm_closed(m_dialog->exec() == GUI::Dialog::ExecResult::OK);
365 m_dialog = nullptr;
366}
367
368void OutOfProcessWebView::notify_server_did_request_prompt(Badge<WebContentClient>, DeprecatedString const& message, DeprecatedString const& default_)
369{
370 m_dialog = GUI::InputBox::construct(window(), default_, message, "Prompt"sv, GUI::InputType::Text, StringView {});
371 m_dialog->set_icon(window()->icon());
372
373 if (m_dialog->exec() == GUI::InputBox::ExecResult::OK)
374 client().async_prompt_closed(static_cast<GUI::InputBox&>(*m_dialog).text_value());
375 else
376 client().async_prompt_closed({});
377
378 m_dialog = nullptr;
379}
380
381void OutOfProcessWebView::notify_server_did_request_set_prompt_text(Badge<WebContentClient>, DeprecatedString const& message)
382{
383 if (m_dialog && is<GUI::InputBox>(*m_dialog))
384 static_cast<GUI::InputBox&>(*m_dialog).set_text_value(message);
385}
386
387void OutOfProcessWebView::notify_server_did_request_accept_dialog(Badge<WebContentClient>)
388{
389 if (m_dialog)
390 m_dialog->done(GUI::Dialog::ExecResult::OK);
391}
392
393void OutOfProcessWebView::notify_server_did_request_dismiss_dialog(Badge<WebContentClient>)
394{
395 if (m_dialog)
396 m_dialog->done(GUI::Dialog::ExecResult::Cancel);
397}
398
399void OutOfProcessWebView::notify_server_did_get_source(const AK::URL& url, DeprecatedString const& source)
400{
401 if (on_get_source)
402 on_get_source(url, source);
403}
404
405void OutOfProcessWebView::notify_server_did_get_dom_tree(DeprecatedString const& dom_tree)
406{
407 if (on_get_dom_tree)
408 on_get_dom_tree(dom_tree);
409}
410
411void OutOfProcessWebView::notify_server_did_get_dom_node_properties(i32 node_id, DeprecatedString const& computed_style, DeprecatedString const& resolved_style, DeprecatedString const& custom_properties, DeprecatedString const& node_box_sizing)
412{
413 if (on_get_dom_node_properties)
414 on_get_dom_node_properties(node_id, computed_style, resolved_style, custom_properties, node_box_sizing);
415}
416
417void OutOfProcessWebView::notify_server_did_output_js_console_message(i32 message_index)
418{
419 if (on_js_console_new_message)
420 on_js_console_new_message(message_index);
421}
422
423void OutOfProcessWebView::notify_server_did_get_js_console_messages(i32 start_index, Vector<DeprecatedString> const& message_types, Vector<DeprecatedString> const& messages)
424{
425 if (on_get_js_console_messages)
426 on_get_js_console_messages(start_index, message_types, messages);
427}
428
429void OutOfProcessWebView::notify_server_did_change_favicon(Gfx::Bitmap const& favicon)
430{
431 if (on_favicon_change)
432 on_favicon_change(favicon);
433}
434
435Vector<Web::Cookie::Cookie> OutOfProcessWebView::notify_server_did_request_all_cookies(Badge<WebContentClient>, AK::URL const& url)
436{
437 if (on_get_all_cookies)
438 return on_get_all_cookies(url);
439 return {};
440}
441
442Optional<Web::Cookie::Cookie> OutOfProcessWebView::notify_server_did_request_named_cookie(Badge<WebContentClient>, AK::URL const& url, DeprecatedString const& name)
443{
444 if (on_get_named_cookie)
445 return on_get_named_cookie(url, name);
446 return {};
447}
448
449DeprecatedString OutOfProcessWebView::notify_server_did_request_cookie(Badge<WebContentClient>, const AK::URL& url, Web::Cookie::Source source)
450{
451 if (on_get_cookie)
452 return on_get_cookie(url, source);
453 return {};
454}
455
456void OutOfProcessWebView::notify_server_did_set_cookie(Badge<WebContentClient>, const AK::URL& url, Web::Cookie::ParsedCookie const& cookie, Web::Cookie::Source source)
457{
458 if (on_set_cookie)
459 on_set_cookie(url, cookie, source);
460}
461
462void OutOfProcessWebView::notify_server_did_close_browsing_context(Badge<WebContentClient>)
463{
464 if (on_close)
465 on_close();
466}
467
468void OutOfProcessWebView::notify_server_did_update_cookie(Badge<WebContentClient>, Web::Cookie::Cookie const& cookie)
469{
470 if (on_update_cookie)
471 on_update_cookie(cookie);
472}
473
474void OutOfProcessWebView::notify_server_did_update_resource_count(i32 count_waiting)
475{
476 if (on_resource_status_change)
477 on_resource_status_change(count_waiting);
478}
479
480void OutOfProcessWebView::notify_server_did_request_restore_window()
481{
482 if (on_restore_window)
483 on_restore_window();
484}
485
486Gfx::IntPoint OutOfProcessWebView::notify_server_did_request_reposition_window(Gfx::IntPoint position)
487{
488 if (on_reposition_window)
489 return on_reposition_window(position);
490 return {};
491}
492
493Gfx::IntSize OutOfProcessWebView::notify_server_did_request_resize_window(Gfx::IntSize size)
494{
495 if (on_resize_window)
496 return on_resize_window(size);
497 return {};
498}
499
500Gfx::IntRect OutOfProcessWebView::notify_server_did_request_maximize_window()
501{
502 if (on_maximize_window)
503 return on_maximize_window();
504 return {};
505}
506
507Gfx::IntRect OutOfProcessWebView::notify_server_did_request_minimize_window()
508{
509 if (on_minimize_window)
510 return on_minimize_window();
511 return {};
512}
513
514Gfx::IntRect OutOfProcessWebView::notify_server_did_request_fullscreen_window()
515{
516 if (on_fullscreen_window)
517 return on_fullscreen_window();
518 return {};
519}
520
521void OutOfProcessWebView::notify_server_did_request_file(Badge<WebContentClient>, DeprecatedString const& path, i32 request_id)
522{
523 auto file = FileSystemAccessClient::Client::the().request_file_read_only_approved(window(), path);
524 if (file.is_error())
525 client().async_handle_file_return(file.error().code(), {}, request_id);
526 else
527 client().async_handle_file_return(0, IPC::File(file.value().stream()), request_id);
528}
529
530void OutOfProcessWebView::did_scroll()
531{
532 client().async_set_viewport_rect(visible_content_rect());
533 request_repaint();
534}
535
536void OutOfProcessWebView::request_repaint()
537{
538 // If this widget was instantiated but not yet added to a window,
539 // it won't have a back bitmap yet, so we can just skip repaint requests.
540 if (!m_client_state.back_bitmap.bitmap)
541 return;
542 // Don't request a repaint until pending paint requests have finished.
543 if (m_client_state.back_bitmap.pending_paints) {
544 m_client_state.got_repaint_requests_while_painting = true;
545 return;
546 }
547 m_client_state.back_bitmap.pending_paints++;
548 client().async_paint(m_client_state.back_bitmap.bitmap->rect().translated(horizontal_scrollbar().value(), vertical_scrollbar().value()), m_client_state.back_bitmap.id);
549}
550
551void OutOfProcessWebView::js_console_input(DeprecatedString const& js_source)
552{
553 client().async_js_console_input(js_source);
554}
555
556void OutOfProcessWebView::js_console_request_messages(i32 start_index)
557{
558 client().async_js_console_request_messages(start_index);
559}
560
561DeprecatedString OutOfProcessWebView::dump_layout_tree()
562{
563 return client().dump_layout_tree();
564}
565
566OrderedHashMap<DeprecatedString, DeprecatedString> OutOfProcessWebView::get_local_storage_entries()
567{
568 return client().get_local_storage_entries();
569}
570
571OrderedHashMap<DeprecatedString, DeprecatedString> OutOfProcessWebView::get_session_storage_entries()
572{
573 return client().get_session_storage_entries();
574}
575
576void OutOfProcessWebView::set_content_filters(Vector<DeprecatedString> filters)
577{
578 client().async_set_content_filters(filters);
579}
580
581void OutOfProcessWebView::set_proxy_mappings(Vector<DeprecatedString> proxies, HashMap<DeprecatedString, size_t> mappings)
582{
583 client().async_set_proxy_mappings(move(proxies), move(mappings));
584}
585
586void OutOfProcessWebView::connect_to_webdriver(DeprecatedString const& webdriver_ipc_path)
587{
588 client().async_connect_to_webdriver(webdriver_ipc_path);
589}
590
591void OutOfProcessWebView::set_window_position(Gfx::IntPoint position)
592{
593 client().async_set_window_position(position);
594}
595
596void OutOfProcessWebView::set_window_size(Gfx::IntSize size)
597{
598 client().async_set_window_size(size);
599}
600
601Gfx::ShareableBitmap OutOfProcessWebView::take_screenshot() const
602{
603 if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.bitmap.ptr() : m_backup_bitmap.ptr())
604 return bitmap->to_shareable_bitmap();
605 return {};
606}
607
608Gfx::ShareableBitmap OutOfProcessWebView::take_document_screenshot()
609{
610 return client().take_document_screenshot();
611}
612
613void OutOfProcessWebView::focusin_event(GUI::FocusEvent&)
614{
615 client().async_set_has_focus(true);
616}
617
618void OutOfProcessWebView::focusout_event(GUI::FocusEvent&)
619{
620 client().async_set_has_focus(false);
621}
622
623void OutOfProcessWebView::set_system_visibility_state(bool visible)
624{
625 client().async_set_system_visibility_state(visible);
626}
627
628void OutOfProcessWebView::show_event(GUI::ShowEvent&)
629{
630 set_system_visibility_state(true);
631}
632
633void OutOfProcessWebView::hide_event(GUI::HideEvent&)
634{
635 set_system_visibility_state(false);
636}
637
638void OutOfProcessWebView::enqueue_input_event(InputEvent const& event)
639{
640 m_pending_input_events.enqueue(event);
641 process_next_input_event();
642}
643
644void OutOfProcessWebView::process_next_input_event()
645{
646 if (m_pending_input_events.is_empty())
647 return;
648
649 if (m_is_awaiting_response_for_input_event)
650 return;
651 m_is_awaiting_response_for_input_event = true;
652
653 // Send the next event over to the web content to be handled by JS.
654 // We'll later get a message to say whether JS prevented the default event behavior,
655 // at which point we either discard or handle that event, then try and process the next one.
656 auto event = m_pending_input_events.head();
657 event.visit(
658 [this](GUI::KeyEvent const& event) {
659 switch (event.type()) {
660 case GUI::Event::Type::KeyDown:
661 client().async_key_down(event.key(), event.modifiers(), event.code_point());
662 break;
663 case GUI::Event::Type::KeyUp:
664 client().async_key_up(event.key(), event.modifiers(), event.code_point());
665 break;
666 default:
667 dbgln("Unrecognized key event type in OOPWV input event queue: {}", event.type());
668 VERIFY_NOT_REACHED();
669 }
670 },
671 [this](GUI::MouseEvent const& event) {
672 switch (event.type()) {
673 case GUI::Event::Type::MouseDown:
674 client().async_mouse_down(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers());
675 break;
676 case GUI::Event::Type::MouseUp:
677 client().async_mouse_up(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers());
678 break;
679 case GUI::Event::Type::MouseMove:
680 client().async_mouse_move(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers());
681 break;
682 case GUI::Event::Type::MouseWheel:
683 client().async_mouse_wheel(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers(), event.wheel_delta_x(), event.wheel_delta_y());
684 break;
685 case GUI::Event::Type::MouseDoubleClick:
686 client().async_doubleclick(to_content_position(event.position()), event.button(), event.buttons(), event.modifiers());
687 break;
688 default:
689 dbgln("Unrecognized mouse event type in OOPWV input event queue: {}", event.type());
690 VERIFY_NOT_REACHED();
691 }
692 });
693}
694
695void OutOfProcessWebView::notify_server_did_finish_handling_input_event(bool event_was_accepted)
696{
697 VERIFY(m_is_awaiting_response_for_input_event);
698
699 auto event = m_pending_input_events.dequeue();
700 m_is_awaiting_response_for_input_event = false;
701
702 if (!event_was_accepted) {
703 // Here we handle events that were not consumed or cancelled by web content.
704 // That is, we manually implement the steps that would have happened if the original
705 // OutOfProcessWebView::foo_event() had called event.ignore().
706 //
707 // The first step is to give our superclass a chance to handle the event.
708 //
709 // Then, if it does not, we dispatch the event to our parent widget, but limited so
710 // that it will never bubble up to the Window. (Otherwise, it would then dispatch the
711 // event to us since we are the focused widget, and it would go round indefinitely.)
712 //
713 // Finally, any unhandled KeyDown events are propagated to trigger any Actions.
714 event.visit(
715 [this](GUI::KeyEvent& event) {
716 switch (event.type()) {
717 case GUI::Event::Type::KeyDown:
718 Super::keydown_event(event);
719 break;
720 case GUI::Event::Type::KeyUp:
721 Super::keyup_event(event);
722 break;
723 default:
724 dbgln("Unhandled key event type in OOPWV input event queue: {}", event.type());
725 VERIFY_NOT_REACHED();
726 }
727
728 if (!event.is_accepted()) {
729 parent_widget()->dispatch_event(event, window());
730
731 // NOTE: If other events can ever trigger shortcuts, propagate those here.
732 if (!event.is_accepted() && event.type() == GUI::Event::Type::KeyDown)
733 window()->propagate_shortcuts_up_to_application(event, this);
734 }
735 },
736 [this](GUI::MouseEvent& event) {
737 switch (event.type()) {
738 case GUI::Event::Type::MouseDown:
739 Super::mousedown_event(event);
740 break;
741 case GUI::Event::Type::MouseUp:
742 Super::mouseup_event(event);
743 break;
744 case GUI::Event::Type::MouseMove:
745 Super::mousemove_event(event);
746 break;
747 case GUI::Event::Type::MouseWheel:
748 Super::mousewheel_event(event);
749 break;
750 case GUI::Event::Type::MouseDoubleClick:
751 Super::doubleclick_event(event);
752 break;
753 default:
754 dbgln("Unhandled mouse event type in OOPWV input event queue: {}", event.type());
755 VERIFY_NOT_REACHED();
756 }
757
758 if (!event.is_accepted())
759 parent_widget()->dispatch_event(event, window());
760 // FIXME: Propagate event for mouse-button shortcuts once that is implemented.
761 });
762 }
763
764 process_next_input_event();
765}
766
767void OutOfProcessWebView::notify_server_did_get_accessibility_tree(DeprecatedString const& accessibility_tree)
768{
769 if (on_get_accessibility_tree)
770 on_get_accessibility_tree(accessibility_tree);
771}
772
773void OutOfProcessWebView::set_content_scales_to_viewport(bool b)
774{
775 m_content_scales_to_viewport = b;
776}
777
778}