diff options
Diffstat (limited to 'Ladybird/WebContentView.cpp')
| -rw-r--r-- | Ladybird/WebContentView.cpp | 911 |
1 files changed, 911 insertions, 0 deletions
diff --git a/Ladybird/WebContentView.cpp b/Ladybird/WebContentView.cpp new file mode 100644 index 0000000000..d7cb3527ae --- /dev/null +++ b/Ladybird/WebContentView.cpp @@ -0,0 +1,911 @@ +/* + * Copyright (c) 2022, Andreas Kling <kling@serenityos.org> + * + * SPDX-License-Identifier: BSD-2-Clause + */ + +#define AK_DONT_REPLACE_STD + +#include "WebContentView.h" +#include "CookieJar.h" +#include "ModelTranslator.h" +#include "Utilities.h" +#include <AK/Assertions.h> +#include <AK/ByteBuffer.h> +#include <AK/Format.h> +#include <AK/HashTable.h> +#include <AK/LexicalPath.h> +#include <AK/NonnullOwnPtr.h> +#include <AK/StringBuilder.h> +#include <AK/Types.h> +#include <Kernel/API/KeyCode.h> +#include <LibCore/ArgsParser.h> +#include <LibCore/EventLoop.h> +#include <LibCore/File.h> +#include <LibCore/IODevice.h> +#include <LibCore/MemoryStream.h> +#include <LibCore/Stream.h> +#include <LibCore/System.h> +#include <LibCore/Timer.h> +#include <LibGfx/Bitmap.h> +#include <LibGfx/Font/FontDatabase.h> +#include <LibGfx/PNGWriter.h> +#include <LibGfx/Painter.h> +#include <LibGfx/Rect.h> +#include <LibJS/Runtime/ConsoleObject.h> +#include <LibMain/Main.h> +#include <LibWeb/Loader/ContentFilter.h> +#include <LibWebView/DOMTreeModel.h> +#include <LibWebView/WebContentClient.h> +#include <QApplication> +#include <QCursor> +#include <QIcon> +#include <QLineEdit> +#include <QMessageBox> +#include <QMouseEvent> +#include <QPaintEvent> +#include <QPainter> +#include <QScrollBar> +#include <QSocketNotifier> +#include <QTextEdit> +#include <QTimer> +#include <QToolTip> +#include <QTreeView> +#include <QVBoxLayout> + +WebContentView::WebContentView() +{ + setMouseTracking(true); + + m_inverse_pixel_scaling_ratio = 1.0 / devicePixelRatio(); + + verticalScrollBar()->setSingleStep(24); + horizontalScrollBar()->setSingleStep(24); + + QObject::connect(verticalScrollBar(), &QScrollBar::valueChanged, [this](int) { + update_viewport_rect(); + }); + QObject::connect(horizontalScrollBar(), &QScrollBar::valueChanged, [this](int) { + update_viewport_rect(); + }); + + create_client(); +} + +WebContentView::~WebContentView() +{ +} + +void WebContentView::reload() +{ + load(m_url); +} + +void WebContentView::load(AK::URL const& url) +{ + m_url = url; + client().async_load_url(url); +} + +void WebContentView::load_html(StringView html, AK::URL const& url) +{ + m_url = url; + client().async_load_html(html, url); +} + +unsigned get_button_from_qt_event(QMouseEvent const& event) +{ + if (event.button() == Qt::MouseButton::LeftButton) + return 1; + if (event.button() == Qt::MouseButton::RightButton) + return 2; + if (event.button() == Qt::MouseButton::MiddleButton) + return 4; + if (event.button() == Qt::MouseButton::BackButton) + return 8; + if (event.buttons() == Qt::MouseButton::ForwardButton) + return 16; + return 0; +} + +unsigned get_buttons_from_qt_event(QMouseEvent const& event) +{ + unsigned buttons = 0; + if (event.buttons() & Qt::MouseButton::LeftButton) + buttons |= 1; + if (event.buttons() & Qt::MouseButton::RightButton) + buttons |= 2; + if (event.buttons() & Qt::MouseButton::MiddleButton) + buttons |= 4; + if (event.buttons() & Qt::MouseButton::BackButton) + buttons |= 8; + if (event.buttons() & Qt::MouseButton::ForwardButton) + buttons |= 16; + return buttons; +} + +unsigned get_modifiers_from_qt_mouse_event(QMouseEvent const& event) +{ + unsigned modifiers = 0; + if (event.modifiers() & Qt::Modifier::ALT) + modifiers |= 1; + if (event.modifiers() & Qt::Modifier::CTRL) + modifiers |= 2; + if (event.modifiers() & Qt::Modifier::SHIFT) + modifiers |= 4; + return modifiers; +} + +unsigned get_modifiers_from_qt_keyboard_event(QKeyEvent const& event) +{ + auto modifiers = 0; + if (event.modifiers().testFlag(Qt::AltModifier)) + modifiers |= KeyModifier::Mod_Alt; + if (event.modifiers().testFlag(Qt::ControlModifier)) + modifiers |= KeyModifier::Mod_Ctrl; + if (event.modifiers().testFlag(Qt::MetaModifier)) + modifiers |= KeyModifier::Mod_Super; + if (event.modifiers().testFlag(Qt::ShiftModifier)) + modifiers |= KeyModifier::Mod_Shift; + if (event.modifiers().testFlag(Qt::AltModifier)) + modifiers |= KeyModifier::Mod_AltGr; + return modifiers; +} + +KeyCode get_keycode_from_qt_keyboard_event(QKeyEvent const& event) +{ + struct Mapping { + constexpr Mapping(Qt::Key q, KeyCode s) + : qt_key(q) + , serenity_key(s) + { + } + + Qt::Key qt_key; + KeyCode serenity_key; + }; + + constexpr Mapping mappings[] = { + { Qt::Key_0, Key_0 }, + { Qt::Key_1, Key_1 }, + { Qt::Key_2, Key_2 }, + { Qt::Key_3, Key_3 }, + { Qt::Key_4, Key_4 }, + { Qt::Key_5, Key_5 }, + { Qt::Key_6, Key_6 }, + { Qt::Key_7, Key_7 }, + { Qt::Key_8, Key_8 }, + { Qt::Key_9, Key_9 }, + { Qt::Key_A, Key_A }, + { Qt::Key_Alt, Key_Alt }, + { Qt::Key_Ampersand, Key_Ampersand }, + { Qt::Key_Apostrophe, Key_Apostrophe }, + { Qt::Key_AsciiCircum, Key_Circumflex }, + { Qt::Key_AsciiTilde, Key_Tilde }, + { Qt::Key_Asterisk, Key_Asterisk }, + { Qt::Key_At, Key_AtSign }, + { Qt::Key_B, Key_B }, + { Qt::Key_Backslash, Key_Backslash }, + { Qt::Key_Backspace, Key_Backspace }, + { Qt::Key_Bar, Key_Pipe }, + { Qt::Key_BraceLeft, Key_LeftBrace }, + { Qt::Key_BraceRight, Key_RightBrace }, + { Qt::Key_BracketLeft, Key_LeftBracket }, + { Qt::Key_BracketRight, Key_RightBracket }, + { Qt::Key_C, Key_C }, + { Qt::Key_CapsLock, Key_CapsLock }, + { Qt::Key_Colon, Key_Colon }, + { Qt::Key_Comma, Key_Comma }, + { Qt::Key_Control, Key_Control }, + { Qt::Key_D, Key_D }, + { Qt::Key_Delete, Key_Delete }, + { Qt::Key_Dollar, Key_Dollar }, + { Qt::Key_Down, Key_Down }, + { Qt::Key_E, Key_E }, + { Qt::Key_End, Key_End }, + { Qt::Key_Equal, Key_Equal }, + { Qt::Key_Escape, Key_Escape }, + { Qt::Key_exclamdown, Key_ExclamationPoint }, + { Qt::Key_F, Key_F }, + { Qt::Key_F1, Key_F1 }, + { Qt::Key_F10, Key_F10 }, + { Qt::Key_F11, Key_F11 }, + { Qt::Key_F12, Key_F12 }, + { Qt::Key_F2, Key_F2 }, + { Qt::Key_F3, Key_F3 }, + { Qt::Key_F4, Key_F4 }, + { Qt::Key_F5, Key_F5 }, + { Qt::Key_F6, Key_F6 }, + { Qt::Key_F7, Key_F7 }, + { Qt::Key_F8, Key_F8 }, + { Qt::Key_F9, Key_F9 }, + { Qt::Key_G, Key_G }, + { Qt::Key_Greater, Key_GreaterThan }, + { Qt::Key_H, Key_H }, + { Qt::Key_Home, Key_Home }, + { Qt::Key_I, Key_I }, + { Qt::Key_Insert, Key_Insert }, + { Qt::Key_J, Key_J }, + { Qt::Key_K, Key_K }, + { Qt::Key_L, Key_L }, + { Qt::Key_Left, Key_Left }, + { Qt::Key_Less, Key_LessThan }, + { Qt::Key_M, Key_M }, + { Qt::Key_Menu, Key_Menu }, + { Qt::Key_Minus, Key_Minus }, + { Qt::Key_N, Key_N }, + { Qt::Key_NumLock, Key_NumLock }, + { Qt::Key_O, Key_O }, + { Qt::Key_P, Key_P }, + { Qt::Key_PageDown, Key_PageDown }, + { Qt::Key_PageUp, Key_PageUp }, + { Qt::Key_ParenLeft, Key_LeftParen }, + { Qt::Key_ParenRight, Key_RightParen }, + { Qt::Key_Percent, Key_Percent }, + { Qt::Key_Period, Key_Period }, + { Qt::Key_Plus, Key_Plus }, + { Qt::Key_Print, Key_PrintScreen }, + { Qt::Key_Q, Key_Q }, + { Qt::Key_Question, Key_QuestionMark }, + { Qt::Key_QuoteDbl, Key_DoubleQuote }, + { Qt::Key_R, Key_R }, + { Qt::Key_Return, Key_Return }, + { Qt::Key_Right, Key_Right }, + { Qt::Key_S, Key_S }, + { Qt::Key_ScrollLock, Key_ScrollLock }, + { Qt::Key_Semicolon, Key_Semicolon }, + { Qt::Key_Shift, Key_LeftShift }, + { Qt::Key_Slash, Key_Slash }, + { Qt::Key_Space, Key_Space }, + { Qt::Key_Super_L, Key_Super }, + { Qt::Key_SysReq, Key_SysRq }, + { Qt::Key_T, Key_T }, + { Qt::Key_Tab, Key_Tab }, + { Qt::Key_U, Key_U }, + { Qt::Key_Underscore, Key_Underscore }, + { Qt::Key_Up, Key_Up }, + { Qt::Key_V, Key_V }, + { Qt::Key_W, Key_W }, + { Qt::Key_X, Key_X }, + { Qt::Key_Y, Key_Y }, + { Qt::Key_Z, Key_Z }, + }; + + for (auto const& mapping : mappings) { + if (event.key() == mapping.qt_key) + return mapping.serenity_key; + } + return Key_Invalid; +} + +void WebContentView::mouseMoveEvent(QMouseEvent* event) +{ + Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio); + auto buttons = get_buttons_from_qt_event(*event); + auto modifiers = get_modifiers_from_qt_mouse_event(*event); + client().async_mouse_move(to_content(position), 0, buttons, modifiers); +} + +void WebContentView::mousePressEvent(QMouseEvent* event) +{ + Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio); + auto button = get_button_from_qt_event(*event); + if (button == 0) { + // We could not convert Qt buttons to something that Lagom can + // recognize - don't even bother propagating this to the web engine + // as it will not handle it anyway, and it will (currently) assert + return; + } + auto modifiers = get_modifiers_from_qt_mouse_event(*event); + auto buttons = get_buttons_from_qt_event(*event); + client().async_mouse_down(to_content(position), button, buttons, modifiers); +} + +void WebContentView::mouseReleaseEvent(QMouseEvent* event) +{ + Gfx::IntPoint position(event->position().x() / m_inverse_pixel_scaling_ratio, event->position().y() / m_inverse_pixel_scaling_ratio); + auto button = get_button_from_qt_event(*event); + if (button == 0) { + // We could not convert Qt buttons to something that Lagom can + // recognize - don't even bother propagating this to the web engine + // as it will not handle it anyway, and it will (currently) assert + return; + } + auto modifiers = get_modifiers_from_qt_mouse_event(*event); + auto buttons = get_buttons_from_qt_event(*event); + client().async_mouse_up(to_content(position), button, buttons, modifiers); +} + +void WebContentView::keyPressEvent(QKeyEvent* event) +{ + switch (event->key()) { + case Qt::Key_Left: + case Qt::Key_Right: + case Qt::Key_Up: + case Qt::Key_Down: + case Qt::Key_PageUp: + case Qt::Key_PageDown: + QAbstractScrollArea::keyPressEvent(event); + break; + default: + break; + } + + auto text = event->text(); + if (text.isEmpty()) { + return; + } + auto point = event->text()[0].unicode(); + auto keycode = get_keycode_from_qt_keyboard_event(*event); + auto modifiers = get_modifiers_from_qt_keyboard_event(*event); + client().async_key_down(keycode, modifiers, point); +} + +void WebContentView::keyReleaseEvent(QKeyEvent* event) +{ + auto text = event->text(); + if (text.isEmpty()) { + return; + } + auto point = event->text()[0].unicode(); + auto keycode = get_keycode_from_qt_keyboard_event(*event); + auto modifiers = get_modifiers_from_qt_keyboard_event(*event); + client().async_key_up(keycode, modifiers, point); +} + +Gfx::IntPoint WebContentView::to_content(Gfx::IntPoint viewport_position) const +{ + return viewport_position.translated(horizontalScrollBar()->value(), verticalScrollBar()->value()); +} + +Gfx::IntPoint WebContentView::to_widget(Gfx::IntPoint content_position) const +{ + return content_position.translated(-horizontalScrollBar()->value(), -verticalScrollBar()->value()); +} + +void WebContentView::paintEvent(QPaintEvent*) +{ + QPainter painter(viewport()); + painter.scale(m_inverse_pixel_scaling_ratio, m_inverse_pixel_scaling_ratio); + + if (auto* bitmap = m_client_state.has_usable_bitmap ? m_client_state.front_bitmap.bitmap.ptr() : m_backup_bitmap.ptr()) { + QImage q_image(bitmap->scanline_u8(0), bitmap->width(), bitmap->height(), QImage::Format_RGB32); + painter.drawImage(QPoint(0, 0), q_image); + return; + } + + painter.fillRect(rect(), palette().base()); +} + +void WebContentView::resizeEvent(QResizeEvent* event) +{ + QAbstractScrollArea::resizeEvent(event); + handle_resize(); +} + +void WebContentView::handle_resize() +{ + update_viewport_rect(); + + if (m_client_state.has_usable_bitmap) { + // NOTE: We keep the outgoing front bitmap as a backup so we have something to paint until we get a new one. + m_backup_bitmap = m_client_state.front_bitmap.bitmap; + } + + if (m_client_state.front_bitmap.bitmap) + client().async_remove_backing_store(m_client_state.front_bitmap.id); + + if (m_client_state.back_bitmap.bitmap) + client().async_remove_backing_store(m_client_state.back_bitmap.id); + + m_client_state.front_bitmap = {}; + m_client_state.back_bitmap = {}; + m_client_state.has_usable_bitmap = false; + + auto available_size = m_viewport_rect.size(); + + if (available_size.is_empty()) + return; + + if (auto new_bitmap_or_error = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size); !new_bitmap_or_error.is_error()) { + m_client_state.front_bitmap.bitmap = new_bitmap_or_error.release_value(); + m_client_state.front_bitmap.id = m_client_state.next_bitmap_id++; + client().async_add_backing_store(m_client_state.front_bitmap.id, m_client_state.front_bitmap.bitmap->to_shareable_bitmap()); + } + + if (auto new_bitmap_or_error = Gfx::Bitmap::try_create_shareable(Gfx::BitmapFormat::BGRx8888, available_size); !new_bitmap_or_error.is_error()) { + m_client_state.back_bitmap.bitmap = new_bitmap_or_error.release_value(); + m_client_state.back_bitmap.id = m_client_state.next_bitmap_id++; + client().async_add_backing_store(m_client_state.back_bitmap.id, m_client_state.back_bitmap.bitmap->to_shareable_bitmap()); + } + + request_repaint(); +} + +void WebContentView::update_viewport_rect() +{ + auto scaled_width = int(viewport()->width() / m_inverse_pixel_scaling_ratio); + auto scaled_height = int(viewport()->height() / m_inverse_pixel_scaling_ratio); + Gfx::IntRect rect(horizontalScrollBar()->value(), verticalScrollBar()->value(), scaled_width, scaled_height); + + m_viewport_rect = rect; + client().async_set_viewport_rect(rect); + + request_repaint(); +} + +void WebContentView::debug_request(String const& request, String const& argument) +{ + client().async_debug_request(request, argument); +} + +void WebContentView::run_javascript(String const& js_source) +{ + client().async_run_javascript(js_source); +} + +void WebContentView::did_output_js_console_message(i32 message_index) +{ + // FIXME + (void)message_index; +} + +void WebContentView::did_get_js_console_messages(i32, Vector<String>, Vector<String> messages) +{ + ensure_js_console_widget(); + for (auto& message : messages) { + m_js_console_output_edit->append(qstring_from_akstring(message).trimmed()); + } +} + +void WebContentView::ensure_js_console_widget() +{ + if (!m_js_console_widget) { + m_js_console_widget = new QWidget; + m_js_console_widget->setWindowTitle("JS Console"); + auto* layout = new QVBoxLayout(m_js_console_widget); + m_js_console_widget->setLayout(layout); + m_js_console_output_edit = new QTextEdit(this); + m_js_console_output_edit->setReadOnly(true); + m_js_console_input_edit = new QLineEdit(this); + layout->addWidget(m_js_console_output_edit); + layout->addWidget(m_js_console_input_edit); + m_js_console_widget->resize(640, 480); + + QObject::connect(m_js_console_input_edit, &QLineEdit::returnPressed, [this] { + auto code = m_js_console_input_edit->text().trimmed(); + client().async_js_console_input(akstring_from_qstring(code)); + m_js_console_input_edit->clear(); + m_js_console_output_edit->append(QString("> %1").arg(code)); + }); + } +} + +void WebContentView::show_js_console() +{ + ensure_js_console_widget(); + m_js_console_widget->show(); + m_js_console_input_edit->setFocus(); +} + +void WebContentView::ensure_inspector_widget() +{ + if (m_inspector_widget) + return; +#if 0 + m_inspector_widget = new QWidget; + m_inspector_widget->setWindowTitle("Inspector"); + auto* layout = new QVBoxLayout; + m_inspector_widget->setLayout(layout); + auto* tree_view = new QTreeView; + layout->addWidget(tree_view); + + auto dom_tree = m_page_client->page().top_level_browsing_context().active_document()->dump_dom_tree_as_json(); + auto dom_tree_model = ::WebView::DOMTreeModel::create(dom_tree); + auto* model = new Ladybird::ModelTranslator(dom_tree_model); + tree_view->setModel(model); + tree_view->setHeaderHidden(true); + tree_view->expandToDepth(3); + + m_inspector_widget->resize(640, 480); + + QObject::connect(tree_view->selectionModel(), &QItemSelectionModel::currentChanged, [this](QModelIndex const& index, QModelIndex const&) { + auto const* json = (JsonObject const*)index.internalPointer(); + m_page_client->page().top_level_browsing_context().active_document()->set_inspected_node(Web::DOM::Node::from_id(json->get("id"sv).to_i32())); + }); +#endif +} + +void WebContentView::show_inspector() +{ + ensure_inspector_widget(); + m_inspector_widget->show(); +} + +void WebContentView::set_color_scheme(ColorScheme color_scheme) +{ + switch (color_scheme) { + case ColorScheme::Auto: + client().async_set_preferred_color_scheme(Web::CSS::PreferredColorScheme::Auto); + break; + case ColorScheme::Light: + client().async_set_preferred_color_scheme(Web::CSS::PreferredColorScheme::Light); + break; + case ColorScheme::Dark: + client().async_set_preferred_color_scheme(Web::CSS::PreferredColorScheme::Dark); + break; + } +} + +void WebContentView::showEvent(QShowEvent* event) +{ + QAbstractScrollArea::showEvent(event); + client().async_set_system_visibility_state(true); +} + +void WebContentView::hideEvent(QHideEvent* event) +{ + QAbstractScrollArea::hideEvent(event); + client().async_set_system_visibility_state(false); +} + +WebContentClient& WebContentView::client() +{ + VERIFY(m_client_state.client); + return *m_client_state.client; +} + +void WebContentView::create_client() +{ + m_client_state = {}; + + int socket_fds[2] {}; + MUST(Core::System::socketpair(AF_LOCAL, SOCK_STREAM, 0, socket_fds)); + + int ui_fd = socket_fds[0]; + int wc_fd = socket_fds[1]; + + int fd_passing_socket_fds[2] {}; + MUST(Core::System::socketpair(AF_LOCAL, SOCK_STREAM, 0, fd_passing_socket_fds)); + + int ui_fd_passing_fd = fd_passing_socket_fds[0]; + int wc_fd_passing_fd = fd_passing_socket_fds[1]; + + auto child_pid = fork(); + if (!child_pid) { + auto takeover_string = String::formatted("x:{}", wc_fd); + MUST(Core::System::setenv("SOCKET_TAKEOVER"sv, takeover_string, true)); + + auto fd_passing_socket_string = String::formatted("{}", wc_fd_passing_fd); + MUST(Core::System::setenv("FD_PASSING_SOCKET"sv, fd_passing_socket_string, true)); + + auto rc = execlp("./WebContent/WebContent", "WebContent", nullptr); + if (rc < 0) + perror("execlp"); + VERIFY_NOT_REACHED(); + } + + auto socket = MUST(Core::Stream::LocalSocket::adopt_fd(ui_fd)); + MUST(socket->set_blocking(true)); + + auto new_client = MUST(adopt_nonnull_ref_or_enomem(new (nothrow) WebView::WebContentClient(std::move(socket), *this))); + new_client->set_fd_passing_socket(MUST(Core::Stream::LocalSocket::adopt_fd(ui_fd_passing_fd))); + + auto* notifier = new QSocketNotifier(new_client->socket().fd().value(), QSocketNotifier::Type::Read); + QObject::connect(notifier, &QSocketNotifier::activated, [new_client = new_client.ptr()] { + if (auto notifier = new_client->socket().notifier()) + notifier->on_ready_to_read(); + }); + + struct DeferredInvokerQt final : IPC::DeferredInvoker { + virtual ~DeferredInvokerQt() = default; + virtual void schedule(Function<void()> callback) override + { + QTimer::singleShot(0, std::move(callback)); + } + }; + + new_client->set_deferred_invoker(make<DeferredInvokerQt>()); + + m_client_state.client = new_client; + m_client_state.client->on_web_content_process_crash = [this] { + QTimer::singleShot(0, [this] { + handle_web_content_process_crash(); + }); + }; + + client().async_update_system_theme(Gfx::load_system_theme(String::formatted("{}/res/themes/Default.ini", s_serenity_resource_root))); + client().async_update_system_fonts(Gfx::FontDatabase::default_font_query(), Gfx::FontDatabase::fixed_width_font_query(), Gfx::FontDatabase::window_title_font_query()); + + // FIXME: Get the screen rect. + // client().async_update_screen_rects(GUI::Desktop::the().rects(), GUI::Desktop::the().main_screen_index()); +} + +void WebContentView::handle_web_content_process_crash() +{ + dbgln("WebContent process crashed!"); + create_client(); + VERIFY(m_client_state.client); + + // Don't keep a stale backup bitmap around. + m_backup_bitmap = nullptr; + + handle_resize(); + StringBuilder builder; + builder.append("<html><head><title>Crashed: "sv); + builder.append(escape_html_entities(m_url.to_string())); + builder.append("</title></head><body>"sv); + builder.append("<h1>Web page crashed"sv); + if (!m_url.host().is_empty()) { + builder.appendff(" on {}", escape_html_entities(m_url.host())); + } + builder.append("</h1>"sv); + auto escaped_url = escape_html_entities(m_url.to_string()); + builder.appendff("The web page <a href=\"{}\">{}</a> has crashed.<br><br>You can reload the page to try again.", escaped_url, escaped_url); + builder.append("</body></html>"sv); + load_html(builder.to_string(), m_url); +} + +void WebContentView::notify_server_did_paint(Badge<WebContentClient>, i32 bitmap_id) +{ + if (m_client_state.back_bitmap.id == bitmap_id) { + m_client_state.has_usable_bitmap = true; + m_client_state.back_bitmap.pending_paints--; + swap(m_client_state.back_bitmap, m_client_state.front_bitmap); + // We don't need the backup bitmap anymore, so drop it. + m_backup_bitmap = nullptr; + viewport()->update(); + + if (m_client_state.got_repaint_requests_while_painting) { + m_client_state.got_repaint_requests_while_painting = false; + request_repaint(); + } + } +} + +void WebContentView::notify_server_did_invalidate_content_rect(Badge<WebContentClient>, [[maybe_unused]] Gfx::IntRect const& content_rect) +{ + request_repaint(); +} + +void WebContentView::notify_server_did_change_selection(Badge<WebContentClient>) +{ + request_repaint(); +} + +void WebContentView::notify_server_did_request_cursor_change(Badge<WebContentClient>, Gfx::StandardCursor cursor) +{ + switch (cursor) { + case Gfx::StandardCursor::Hand: + setCursor(Qt::PointingHandCursor); + break; + case Gfx::StandardCursor::IBeam: + setCursor(Qt::IBeamCursor); + break; + case Gfx::StandardCursor::Arrow: + default: + setCursor(Qt::ArrowCursor); + break; + } +} + +void WebContentView::notify_server_did_layout(Badge<WebContentClient>, Gfx::IntSize const& content_size) +{ + verticalScrollBar()->setMinimum(0); + verticalScrollBar()->setMaximum(content_size.height() - m_viewport_rect.height()); + verticalScrollBar()->setPageStep(m_viewport_rect.height()); + horizontalScrollBar()->setMinimum(0); + horizontalScrollBar()->setMaximum(content_size.width() - m_viewport_rect.width()); + horizontalScrollBar()->setPageStep(m_viewport_rect.width()); +} + +void WebContentView::notify_server_did_change_title(Badge<WebContentClient>, String const& title) +{ + emit title_changed(qstring_from_akstring(title)); +} + +void WebContentView::notify_server_did_request_scroll(Badge<WebContentClient>, i32 x_delta, i32 y_delta) +{ + horizontalScrollBar()->setValue(horizontalScrollBar()->value() + x_delta); + verticalScrollBar()->setValue(verticalScrollBar()->value() + y_delta); +} + +void WebContentView::notify_server_did_request_scroll_to(Badge<WebContentClient>, Gfx::IntPoint const& scroll_position) +{ + horizontalScrollBar()->setValue(scroll_position.x()); + verticalScrollBar()->setValue(scroll_position.y()); +} + +void WebContentView::notify_server_did_request_scroll_into_view(Badge<WebContentClient>, Gfx::IntRect const& rect) +{ + if (m_viewport_rect.contains(rect)) + return; + + if (rect.top() < m_viewport_rect.top()) { + verticalScrollBar()->setValue(rect.top()); + } else if (rect.top() > m_viewport_rect.top() && rect.bottom() > m_viewport_rect.bottom()) { + verticalScrollBar()->setValue(rect.bottom() - m_viewport_rect.height() + 1); + } +} + +void WebContentView::notify_server_did_enter_tooltip_area(Badge<WebContentClient>, Gfx::IntPoint const& content_position, String const& tooltip) +{ + auto widget_position = to_widget(content_position); + QToolTip::showText( + mapToGlobal(QPoint(widget_position.x(), widget_position.y())), + qstring_from_akstring(tooltip), + this); +} + +void WebContentView::notify_server_did_leave_tooltip_area(Badge<WebContentClient>) +{ + QToolTip::hideText(); +} + +void WebContentView::notify_server_did_hover_link(Badge<WebContentClient>, AK::URL const& url) +{ + emit link_hovered(qstring_from_akstring(url.to_string())); +} + +void WebContentView::notify_server_did_unhover_link(Badge<WebContentClient>) +{ + emit link_unhovered(); +} + +void WebContentView::notify_server_did_click_link(Badge<WebContentClient>, AK::URL const& url, String const& target, unsigned int modifiers) +{ + // FIXME + (void)url; + (void)target; + (void)modifiers; + // if (on_link_click) + // on_link_click(url, target, modifiers); +} + +void WebContentView::notify_server_did_middle_click_link(Badge<WebContentClient>, AK::URL const& url, String const& target, unsigned int modifiers) +{ + (void)url; + (void)target; + (void)modifiers; +} + +void WebContentView::notify_server_did_start_loading(Badge<WebContentClient>, AK::URL const& url) +{ + emit load_started(url); +} + +void WebContentView::notify_server_did_finish_loading(Badge<WebContentClient>, AK::URL const& url) +{ + // FIXME + (void)url; +} + +void WebContentView::notify_server_did_request_context_menu(Badge<WebContentClient>, Gfx::IntPoint const& content_position) +{ + // FIXME + (void)content_position; +} + +void WebContentView::notify_server_did_request_link_context_menu(Badge<WebContentClient>, Gfx::IntPoint const& content_position, AK::URL const& url, String const&, unsigned) +{ + // FIXME + (void)content_position; + (void)url; +} + +void WebContentView::notify_server_did_request_image_context_menu(Badge<WebContentClient>, Gfx::IntPoint const& content_position, AK::URL const& url, String const&, unsigned, Gfx::ShareableBitmap const& bitmap) +{ + // FIXME + (void)content_position; + (void)url; + (void)bitmap; +} + +void WebContentView::notify_server_did_request_alert(Badge<WebContentClient>, String const& message) +{ + QMessageBox::warning(this, "Ladybird", qstring_from_akstring(message)); +} + +bool WebContentView::notify_server_did_request_confirm(Badge<WebContentClient>, String const& message) +{ + auto result = QMessageBox::question(this, "Ladybird", qstring_from_akstring(message), + QMessageBox::StandardButton::Ok | QMessageBox::StandardButton::Cancel); + + return result == QMessageBox::StandardButton::Ok; +} + +String WebContentView::notify_server_did_request_prompt(Badge<WebContentClient>, String const& message, String const& default_) +{ + // FIXME + (void)message; + (void)default_; + return String::empty(); +} + +void WebContentView::get_source() +{ + client().async_get_source(); +} + +void WebContentView::notify_server_did_get_source(AK::URL const& url, String const& source) +{ + emit got_source(url, qstring_from_akstring(source)); +} + +void WebContentView::notify_server_did_get_dom_tree(String const& dom_tree) +{ + if (on_get_dom_tree) + on_get_dom_tree(dom_tree); +} + +void WebContentView::notify_server_did_get_dom_node_properties(i32 node_id, String const& specified_style, String const& computed_style, String const& custom_properties, String const& node_box_sizing) +{ + if (on_get_dom_node_properties) + on_get_dom_node_properties(node_id, specified_style, computed_style, custom_properties, node_box_sizing); +} + +void WebContentView::notify_server_did_output_js_console_message(i32 message_index) +{ + if (on_js_console_new_message) + on_js_console_new_message(message_index); +} + +void WebContentView::notify_server_did_get_js_console_messages(i32 start_index, Vector<String> const& message_types, Vector<String> const& messages) +{ + if (on_get_js_console_messages) + on_get_js_console_messages(start_index, message_types, messages); +} + +void WebContentView::notify_server_did_change_favicon(Gfx::Bitmap const& bitmap) +{ + auto qimage = QImage(bitmap.scanline_u8(0), bitmap.width(), bitmap.height(), QImage::Format_ARGB32); + if (qimage.isNull()) + return; + auto qpixmap = QPixmap::fromImage(qimage); + if (qpixmap.isNull()) + return; + emit favicon_changed(QIcon(qpixmap)); +} + +String WebContentView::notify_server_did_request_cookie(Badge<WebContentClient>, AK::URL const& url, Web::Cookie::Source source) +{ + if (on_get_cookie) + return on_get_cookie(url, source); + return {}; +} + +void WebContentView::notify_server_did_set_cookie(Badge<WebContentClient>, AK::URL const& url, Web::Cookie::ParsedCookie const& cookie, Web::Cookie::Source source) +{ + if (on_set_cookie) + on_set_cookie(url, cookie, source); +} + +void WebContentView::notify_server_did_update_resource_count(i32 count_waiting) +{ + // FIXME + (void)count_waiting; +} + +void WebContentView::notify_server_did_request_file(Badge<WebContentClient>, String const& path, i32 request_id) +{ + auto file = Core::File::open(path, Core::OpenMode::ReadOnly); + if (file.is_error()) + client().async_handle_file_return(file.error().code(), {}, request_id); + else + client().async_handle_file_return(0, IPC::File(file.value()->leak_fd()), request_id); +} + +void WebContentView::request_repaint() +{ + // If this widget was instantiated but not yet added to a window, + // it won't have a back bitmap yet, so we can just skip repaint requests. + if (!m_client_state.back_bitmap.bitmap) + return; + // Don't request a repaint until pending paint requests have finished. + if (m_client_state.back_bitmap.pending_paints) { + m_client_state.got_repaint_requests_while_painting = true; + return; + } + m_client_state.back_bitmap.pending_paints++; + client().async_paint(m_client_state.back_bitmap.bitmap->rect().translated(horizontalScrollBar()->value(), verticalScrollBar()->value()), m_client_state.back_bitmap.id); +} |