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Ladybird: Initial import :^)

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Andreas Kling 2022-07-03 20:36:07 +02:00 • committed by Andrew Kaster
parent 26fb41d1f8
commit 1eb653115b
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Ladybird/.gitignore vendored Normal file
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.qmake.stash
Makefile
WebView.o
ladybird
main.o
moc_WebView.cpp
moc_WebView.o
moc_predefs.h

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/*
* Copyright (c) 2022, Dex♪ <dexes.ttp@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#define AK_DONT_REPLACE_STD
#include "WebView.h"
#include <AK/Assertions.h>
#include <AK/ByteBuffer.h>
#include <AK/Format.h>
#include <AK/HashTable.h>
#include <AK/NonnullOwnPtr.h>
#include <AK/StringBuilder.h>
#include <AK/Types.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 <LibGemini/GeminiRequest.h>
#include <LibGemini/GeminiResponse.h>
#include <LibGemini/Job.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/Font/FontDatabase.h>
#include <LibGfx/ImageDecoder.h>
#include <LibGfx/PNGWriter.h>
#include <LibGfx/Rect.h>
#include <LibHTTP/HttpRequest.h>
#include <LibHTTP/HttpResponse.h>
#include <LibHTTP/HttpsJob.h>
#include <LibHTTP/Job.h>
#include <LibMain/Main.h>
#include <LibWeb/Cookie/ParsedCookie.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/HTML/BrowsingContext.h>
#include <LibWeb/ImageDecoding.h>
#include <LibWeb/Layout/InitialContainingBlock.h>
#include <LibWeb/Loader/ResourceLoader.h>
#include <LibWeb/Page/Page.h>
#include <LibWeb/Painting/PaintableBox.h>
#include <LibWeb/WebSockets/WebSocket.h>
#include <LibWebSocket/ConnectionInfo.h>
#include <LibWebSocket/Message.h>
#include <LibWebSocket/WebSocket.h>
#include <QPaintEvent>
#include <QPainter>
class HeadlessBrowserPageClient final : public Web::PageClient {
public:
static NonnullOwnPtr<HeadlessBrowserPageClient> create(WebView& view)
{
return adopt_own(*new HeadlessBrowserPageClient(view));
}
Web::Page& page() { return *m_page; }
Web::Page const& page() const { return *m_page; }
Web::Layout::InitialContainingBlock* layout_root()
{
auto* document = page().top_level_browsing_context().active_document();
if (!document)
return nullptr;
return document->layout_node();
}
void load(AK::URL const& url)
{
page().load(url);
}
void paint(Gfx::IntRect const& content_rect, Gfx::Bitmap& target)
{
Gfx::Painter painter(target);
if (auto* document = page().top_level_browsing_context().active_document())
document->update_layout();
painter.fill_rect({ {}, content_rect.size() }, palette().base());
auto* layout_root = this->layout_root();
if (!layout_root) {
return;
}
Web::PaintContext context(painter, palette(), content_rect.top_left());
context.set_should_show_line_box_borders(false);
context.set_viewport_rect(content_rect);
context.set_has_focus(true);
layout_root->paint_all_phases(context);
}
void setup_palette(Core::AnonymousBuffer theme_buffer)
{
m_palette_impl = Gfx::PaletteImpl::create_with_anonymous_buffer(theme_buffer);
}
void set_viewport_rect(Gfx::IntRect rect)
{
m_viewport_rect = rect;
page().top_level_browsing_context().set_viewport_rect(rect);
}
// ^Web::PageClient
virtual Gfx::Palette palette() const override
{
return Gfx::Palette(*m_palette_impl);
}
virtual Gfx::IntRect screen_rect() const override
{
// FIXME: Return the actual screen rect.
return m_viewport_rect;
}
Gfx::IntRect viewport_rect() const
{
return m_viewport_rect;
}
virtual Web::CSS::PreferredColorScheme preferred_color_scheme() const override
{
return m_preferred_color_scheme;
}
virtual void page_did_change_title(String const&) override
{
}
virtual void page_did_set_document_in_top_level_browsing_context(Web::DOM::Document*) override
{
}
virtual void page_did_start_loading(AK::URL const&) override
{
}
virtual void page_did_finish_loading(AK::URL const&) override
{
}
virtual void page_did_change_selection() override
{
}
virtual void page_did_request_cursor_change(Gfx::StandardCursor) override
{
}
virtual void page_did_request_context_menu(Gfx::IntPoint const&) override
{
}
virtual void page_did_request_link_context_menu(Gfx::IntPoint const&, AK::URL const&, String const&, unsigned) override
{
}
virtual void page_did_request_image_context_menu(Gfx::IntPoint const&, AK::URL const&, String const&, unsigned, Gfx::Bitmap const*) override
{
}
virtual void page_did_click_link(AK::URL const&, String const&, unsigned) override
{
}
virtual void page_did_middle_click_link(AK::URL const&, String const&, unsigned) override
{
}
virtual void page_did_enter_tooltip_area(Gfx::IntPoint const&, String const&) override
{
}
virtual void page_did_leave_tooltip_area() override
{
}
virtual void page_did_hover_link(AK::URL const&) override
{
}
virtual void page_did_unhover_link() override
{
}
virtual void page_did_invalidate(Gfx::IntRect const&) override
{
m_view.update();
}
virtual void page_did_change_favicon(Gfx::Bitmap const&) override
{
}
virtual void page_did_layout() override
{
}
virtual void page_did_request_scroll_into_view(Gfx::IntRect const&) override
{
}
virtual void page_did_request_alert(String const&) override
{
}
virtual bool page_did_request_confirm(String const&) override
{
return false;
}
virtual String page_did_request_prompt(String const&, String const&) override
{
return String::empty();
}
virtual String page_did_request_cookie(AK::URL const&, Web::Cookie::Source) override
{
return String::empty();
}
virtual void page_did_set_cookie(AK::URL const&, Web::Cookie::ParsedCookie const&, Web::Cookie::Source) override
{
}
void request_file(NonnullRefPtr<Web::FileRequest>& request) override
{
auto const file = Core::System::open(request->path(), O_RDONLY);
request->on_file_request_finish(file);
}
private:
HeadlessBrowserPageClient(WebView& view)
: m_view(view)
, m_page(make<Web::Page>(*this))
{
}
WebView& m_view;
NonnullOwnPtr<Web::Page> m_page;
RefPtr<Gfx::PaletteImpl> m_palette_impl;
Gfx::IntRect m_viewport_rect { 0, 0, 800, 600 };
Web::CSS::PreferredColorScheme m_preferred_color_scheme { Web::CSS::PreferredColorScheme::Auto };
};
WebView::WebView()
{
m_page_client = HeadlessBrowserPageClient::create(*this);
m_page_client->setup_palette(Gfx::load_system_theme("/home/kling/src/serenity/Base/res/themes/Default.ini"));
// FIXME: Allow passing these values as arguments
m_page_client->set_viewport_rect({ 0, 0, 800, 600 });
}
WebView::~WebView()
{
}
void WebView::load(String const& url)
{
m_page_client->load(AK::URL(url));
}
void WebView::paintEvent(QPaintEvent* event)
{
QPainter painter(viewport());
painter.setClipRect(event->rect());
auto output_rect = m_page_client->viewport_rect();
auto output_bitmap = MUST(Gfx::Bitmap::try_create(Gfx::BitmapFormat::BGRx8888, output_rect.size()));
dbgln("paintEvent: {}", output_rect);
m_page_client->paint(output_rect, output_bitmap);
QImage q_image(output_bitmap->scanline_u8(0), output_bitmap->width(), output_bitmap->height(), QImage::Format_RGB32);
painter.drawImage(QPoint(0, 0), q_image);
}
void WebView::resizeEvent(QResizeEvent* event)
{
Gfx::IntRect rect(0, 0, event->size().width(), event->size().height());
m_page_client->set_viewport_rect(rect);
}
class HeadlessImageDecoderClient : public Web::ImageDecoding::Decoder {
public:
static NonnullRefPtr<HeadlessImageDecoderClient> create()
{
return adopt_ref(*new HeadlessImageDecoderClient());
}
virtual ~HeadlessImageDecoderClient() override = default;
virtual Optional<Web::ImageDecoding::DecodedImage> decode_image(ReadonlyBytes data) override
{
auto decoder = Gfx::ImageDecoder::try_create(data);
if (!decoder)
return Web::ImageDecoding::DecodedImage { false, 0, Vector<Web::ImageDecoding::Frame> {} };
if (!decoder->frame_count())
return Web::ImageDecoding::DecodedImage { false, 0, Vector<Web::ImageDecoding::Frame> {} };
Vector<Web::ImageDecoding::Frame> frames;
for (size_t i = 0; i < decoder->frame_count(); ++i) {
auto frame_or_error = decoder->frame(i);
if (frame_or_error.is_error()) {
frames.append({ {}, 0 });
} else {
auto frame = frame_or_error.release_value();
frames.append({ move(frame.image), static_cast<size_t>(frame.duration) });
}
}
return Web::ImageDecoding::DecodedImage {
decoder->is_animated(),
static_cast<u32>(decoder->loop_count()),
frames,
};
}
private:
explicit HeadlessImageDecoderClient() = default;
};
static HashTable<RefPtr<Web::ResourceLoaderConnectorRequest>> s_all_requests;
class HeadlessRequestServer : public Web::ResourceLoaderConnector {
public:
class HTTPHeadlessRequest
: public Web::ResourceLoaderConnectorRequest
, public Weakable<HTTPHeadlessRequest> {
public:
static ErrorOr<NonnullRefPtr<HTTPHeadlessRequest>> create(String const& method, AK::URL const& url, HashMap<String, String> const& request_headers, ReadonlyBytes request_body, Core::ProxyData const&)
{
auto stream_backing_buffer = TRY(ByteBuffer::create_uninitialized(1 * MiB));
auto underlying_socket = TRY(Core::Stream::TCPSocket::connect(url.host(), url.port().value_or(80)));
TRY(underlying_socket->set_blocking(false));
auto socket = TRY(Core::Stream::BufferedSocket<Core::Stream::TCPSocket>::create(move(underlying_socket)));
HTTP::HttpRequest request;
if (method.equals_ignoring_case("head"sv))
request.set_method(HTTP::HttpRequest::HEAD);
else if (method.equals_ignoring_case("get"sv))
request.set_method(HTTP::HttpRequest::GET);
else if (method.equals_ignoring_case("post"sv))
request.set_method(HTTP::HttpRequest::POST);
else
request.set_method(HTTP::HttpRequest::Invalid);
request.set_url(move(url));
request.set_headers(request_headers);
request.set_body(TRY(ByteBuffer::copy(request_body)));
return adopt_ref(*new HTTPHeadlessRequest(move(request), move(socket), move(stream_backing_buffer)));
}
virtual ~HTTPHeadlessRequest() override
{
}
virtual void set_should_buffer_all_input(bool) override
{
}
virtual bool stop() override
{
return false;
}
virtual void stream_into(Core::Stream::Stream&) override
{
}
private:
HTTPHeadlessRequest(HTTP::HttpRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(HTTP::Job::construct(move(request), *m_output_stream))
{
m_job->on_headers_received = [weak_this = make_weak_ptr()](auto& response_headers, auto response_code) mutable {
if (auto strong_this = weak_this.strong_ref()) {
strong_this->m_response_code = response_code;
for (auto& header : response_headers) {
strong_this->m_response_headers.set(header.key, header.value);
}
}
};
m_job->on_finish = [weak_this = make_weak_ptr()](bool success) mutable {
Core::deferred_invoke([weak_this, success]() mutable {
if (auto strong_this = weak_this.strong_ref()) {
ReadonlyBytes response_bytes { strong_this->m_output_stream->bytes().data(), strong_this->m_output_stream->offset() };
auto response_buffer = ByteBuffer::copy(response_bytes).release_value_but_fixme_should_propagate_errors();
strong_this->on_buffered_request_finish(success, strong_this->m_output_stream->offset(), strong_this->m_response_headers, strong_this->m_response_code, response_buffer);
} });
};
m_job->start(*m_socket);
}
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<HTTP::Job> m_job;
HashMap<String, String, CaseInsensitiveStringTraits> m_response_headers;
};
class HTTPSHeadlessRequest
: public Web::ResourceLoaderConnectorRequest
, public Weakable<HTTPSHeadlessRequest> {
public:
static ErrorOr<NonnullRefPtr<HTTPSHeadlessRequest>> create(String const& method, AK::URL const& url, HashMap<String, String> const& request_headers, ReadonlyBytes request_body, Core::ProxyData const&)
{
auto stream_backing_buffer = TRY(ByteBuffer::create_uninitialized(1 * MiB));
auto underlying_socket = TRY(TLS::TLSv12::connect(url.host(), url.port().value_or(80)));
TRY(underlying_socket->set_blocking(false));
auto socket = TRY(Core::Stream::BufferedSocket<TLS::TLSv12>::create(move(underlying_socket)));
HTTP::HttpRequest request;
if (method.equals_ignoring_case("head"sv))
request.set_method(HTTP::HttpRequest::HEAD);
else if (method.equals_ignoring_case("get"sv))
request.set_method(HTTP::HttpRequest::GET);
else if (method.equals_ignoring_case("post"sv))
request.set_method(HTTP::HttpRequest::POST);
else
request.set_method(HTTP::HttpRequest::Invalid);
request.set_url(move(url));
request.set_headers(request_headers);
request.set_body(TRY(ByteBuffer::copy(request_body)));
return adopt_ref(*new HTTPSHeadlessRequest(move(request), move(socket), move(stream_backing_buffer)));
}
virtual ~HTTPSHeadlessRequest() override
{
}
virtual void set_should_buffer_all_input(bool) override
{
}
virtual bool stop() override
{
return false;
}
virtual void stream_into(Core::Stream::Stream&) override
{
}
private:
HTTPSHeadlessRequest(HTTP::HttpRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(HTTP::HttpsJob::construct(move(request), *m_output_stream))
{
m_job->on_headers_received = [weak_this = make_weak_ptr()](auto& response_headers, auto response_code) mutable {
if (auto strong_this = weak_this.strong_ref()) {
strong_this->m_response_code = response_code;
for (auto& header : response_headers) {
strong_this->m_response_headers.set(header.key, header.value);
}
}
};
m_job->on_finish = [weak_this = make_weak_ptr()](bool success) mutable {
Core::deferred_invoke([weak_this, success]() mutable {
if (auto strong_this = weak_this.strong_ref()) {
ReadonlyBytes response_bytes { strong_this->m_output_stream->bytes().data(), strong_this->m_output_stream->offset() };
auto response_buffer = ByteBuffer::copy(response_bytes).release_value_but_fixme_should_propagate_errors();
strong_this->on_buffered_request_finish(success, strong_this->m_output_stream->offset(), strong_this->m_response_headers, strong_this->m_response_code, response_buffer);
} });
};
m_job->start(*m_socket);
}
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<HTTP::HttpsJob> m_job;
HashMap<String, String, CaseInsensitiveStringTraits> m_response_headers;
};
class GeminiHeadlessRequest
: public Web::ResourceLoaderConnectorRequest
, public Weakable<GeminiHeadlessRequest> {
public:
static ErrorOr<NonnullRefPtr<GeminiHeadlessRequest>> create(String const&, AK::URL const& url, HashMap<String, String> const&, ReadonlyBytes, Core::ProxyData const&)
{
auto stream_backing_buffer = TRY(ByteBuffer::create_uninitialized(1 * MiB));
auto underlying_socket = TRY(Core::Stream::TCPSocket::connect(url.host(), url.port().value_or(80)));
TRY(underlying_socket->set_blocking(false));
auto socket = TRY(Core::Stream::BufferedSocket<Core::Stream::TCPSocket>::create(move(underlying_socket)));
Gemini::GeminiRequest request;
request.set_url(url);
return adopt_ref(*new GeminiHeadlessRequest(move(request), move(socket), move(stream_backing_buffer)));
}
virtual ~GeminiHeadlessRequest() override
{
}
virtual void set_should_buffer_all_input(bool) override
{
}
virtual bool stop() override
{
return false;
}
virtual void stream_into(Core::Stream::Stream&) override
{
}
private:
GeminiHeadlessRequest(Gemini::GeminiRequest&& request, NonnullOwnPtr<Core::Stream::BufferedSocketBase> socket, ByteBuffer&& stream_backing_buffer)
: m_stream_backing_buffer(move(stream_backing_buffer))
, m_output_stream(Core::Stream::MemoryStream::construct(m_stream_backing_buffer.bytes()).release_value_but_fixme_should_propagate_errors())
, m_socket(move(socket))
, m_job(Gemini::Job::construct(move(request), *m_output_stream))
{
m_job->on_headers_received = [weak_this = make_weak_ptr()](auto& response_headers, auto response_code) mutable {
if (auto strong_this = weak_this.strong_ref()) {
strong_this->m_response_code = response_code;
for (auto& header : response_headers) {
strong_this->m_response_headers.set(header.key, header.value);
}
}
};
m_job->on_finish = [weak_this = make_weak_ptr()](bool success) mutable {
Core::deferred_invoke([weak_this, success]() mutable {
if (auto strong_this = weak_this.strong_ref()) {
ReadonlyBytes response_bytes { strong_this->m_output_stream->bytes().data(), strong_this->m_output_stream->offset() };
auto response_buffer = ByteBuffer::copy(response_bytes).release_value_but_fixme_should_propagate_errors();
strong_this->on_buffered_request_finish(success, strong_this->m_output_stream->offset(), strong_this->m_response_headers, strong_this->m_response_code, response_buffer);
} });
};
m_job->start(*m_socket);
}
Optional<u32> m_response_code;
ByteBuffer m_stream_backing_buffer;
NonnullOwnPtr<Core::Stream::MemoryStream> m_output_stream;
NonnullOwnPtr<Core::Stream::BufferedSocketBase> m_socket;
NonnullRefPtr<Gemini::Job> m_job;
HashMap<String, String, CaseInsensitiveStringTraits> m_response_headers;
};
static NonnullRefPtr<HeadlessRequestServer> create()
{
return adopt_ref(*new HeadlessRequestServer());
}
virtual ~HeadlessRequestServer() override { }
virtual void prefetch_dns(AK::URL const&) override { }
virtual void preconnect(AK::URL const&) override { }
virtual RefPtr<Web::ResourceLoaderConnectorRequest> start_request(String const& method, AK::URL const& url, HashMap<String, String> const& request_headers, ReadonlyBytes request_body, Core::ProxyData const& proxy) override
{
RefPtr<Web::ResourceLoaderConnectorRequest> request;
if (url.protocol().equals_ignoring_case("http"sv)) {
auto request_or_error = HTTPHeadlessRequest::create(method, url, request_headers, request_body, proxy);
if (request_or_error.is_error())
return {};
request = request_or_error.release_value();
}
if (url.protocol().equals_ignoring_case("https"sv)) {
auto request_or_error = HTTPSHeadlessRequest::create(method, url, request_headers, request_body, proxy);
if (request_or_error.is_error())
return {};
request = request_or_error.release_value();
}
if (url.protocol().equals_ignoring_case("gemini"sv)) {
auto request_or_error = GeminiHeadlessRequest::create(method, url, request_headers, request_body, proxy);
if (request_or_error.is_error())
return {};
request = request_or_error.release_value();
}
if (request)
s_all_requests.set(request);
return request;
}
private:
HeadlessRequestServer() { }
};
class HeadlessWebSocketClientManager : public Web::WebSockets::WebSocketClientManager {
public:
class HeadlessWebSocket
: public Web::WebSockets::WebSocketClientSocket
, public Weakable<HeadlessWebSocket> {
public:
static NonnullRefPtr<HeadlessWebSocket> create(NonnullRefPtr<WebSocket::WebSocket> underlying_socket)
{
return adopt_ref(*new HeadlessWebSocket(move(underlying_socket)));
}
virtual ~HeadlessWebSocket() override
{
}
virtual Web::WebSockets::WebSocket::ReadyState ready_state() override
{
switch (m_websocket->ready_state()) {
case WebSocket::ReadyState::Connecting:
return Web::WebSockets::WebSocket::ReadyState::Connecting;
case WebSocket::ReadyState::Open:
return Web::WebSockets::WebSocket::ReadyState::Open;
case WebSocket::ReadyState::Closing:
return Web::WebSockets::WebSocket::ReadyState::Closing;
case WebSocket::ReadyState::Closed:
return Web::WebSockets::WebSocket::ReadyState::Closed;
}
VERIFY_NOT_REACHED();
}
virtual void send(ByteBuffer binary_or_text_message, bool is_text) override
{
m_websocket->send(WebSocket::Message(binary_or_text_message, is_text));
}
virtual void send(StringView message) override
{
m_websocket->send(WebSocket::Message(message));
}
virtual void close(u16 code, String reason) override
{
m_websocket->close(code, reason);
}
private:
HeadlessWebSocket(NonnullRefPtr<WebSocket::WebSocket> underlying_socket)
: m_websocket(move(underlying_socket))
{
m_websocket->on_open = [weak_this = make_weak_ptr()] {
if (auto strong_this = weak_this.strong_ref())
if (strong_this->on_open)
strong_this->on_open();
};
m_websocket->on_message = [weak_this = make_weak_ptr()](auto message) {
if (auto strong_this = weak_this.strong_ref()) {
if (strong_this->on_message) {
strong_this->on_message(Web::WebSockets::WebSocketClientSocket::Message {
.data = move(message.data()),
.is_text = message.is_text(),
});
}
}
};
m_websocket->on_error = [weak_this = make_weak_ptr()](auto error) {
if (auto strong_this = weak_this.strong_ref()) {
if (strong_this->on_error) {
switch (error) {
case WebSocket::WebSocket::Error::CouldNotEstablishConnection:
strong_this->on_error(Web::WebSockets::WebSocketClientSocket::Error::CouldNotEstablishConnection);
return;
case WebSocket::WebSocket::Error::ConnectionUpgradeFailed:
strong_this->on_error(Web::WebSockets::WebSocketClientSocket::Error::ConnectionUpgradeFailed);
return;
case WebSocket::WebSocket::Error::ServerClosedSocket:
strong_this->on_error(Web::WebSockets::WebSocketClientSocket::Error::ServerClosedSocket);
return;
}
VERIFY_NOT_REACHED();
}
}
};
m_websocket->on_close = [weak_this = make_weak_ptr()](u16 code, String reason, bool was_clean) {
if (auto strong_this = weak_this.strong_ref())
if (strong_this->on_close)
strong_this->on_close(code, move(reason), was_clean);
};
}
NonnullRefPtr<WebSocket::WebSocket> m_websocket;
};
static NonnullRefPtr<HeadlessWebSocketClientManager> create()
{
return adopt_ref(*new HeadlessWebSocketClientManager());
}
virtual ~HeadlessWebSocketClientManager() override { }
virtual RefPtr<Web::WebSockets::WebSocketClientSocket> connect(AK::URL const& url, String const& origin) override
{
WebSocket::ConnectionInfo connection_info(url);
connection_info.set_origin(origin);
auto connection = HeadlessWebSocket::create(WebSocket::WebSocket::create(move(connection_info)));
return connection;
}
private:
HeadlessWebSocketClientManager() { }
};
void initialize_web_engine()
{
Web::ImageDecoding::Decoder::initialize(HeadlessImageDecoderClient::create());
Web::ResourceLoader::initialize(HeadlessRequestServer::create());
Web::WebSockets::WebSocketClientManager::initialize(HeadlessWebSocketClientManager::create());
Web::FrameLoader::set_default_favicon_path("/home/kling/src/serenity/Base/res/icons/16x16/app-browser.png");
Gfx::FontDatabase::set_default_fonts_lookup_path("/home/kling/src/serenity/Base/res/fonts");
Gfx::FontDatabase::set_default_font_query("Katica 10 400 0");
Gfx::FontDatabase::set_fixed_width_font_query("Csilla 10 400 0");
Web::FrameLoader::set_error_page_url("file:///home/kling/src/serenity/Base/res/html/error.html");
}

24
Ladybird/WebView.h Normal file
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#pragma once
#define AK_DONT_REPLACE_STD
#include <AK/OwnPtr.h>
#include <AK/String.h>
#include <QAbstractScrollArea>
class HeadlessBrowserPageClient;
class WebView final : public QAbstractScrollArea {
Q_OBJECT
public:
WebView();
virtual ~WebView() override;
void load(String const& url);
virtual void paintEvent(QPaintEvent*) override;
virtual void resizeEvent(QResizeEvent*) override;
private:
OwnPtr<HeadlessBrowserPageClient> m_page_client;
};

39
Ladybird/ladybird.pro Normal file
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######################################################################
# Automatically generated by qmake (3.1) Sun Jul 3 19:48:59 2022
######################################################################
QT += widgets
TEMPLATE = app
TARGET = ladybird
INCLUDEPATH += \
/home/kling/src/serenity/ \
/home/kling/src/serenity/Userland/Libraries/ \
/home/kling/src/serenity/Build/x86_64/Userland/Libraries/ \
/home/kling/src/serenity/Build/x86_64/ \
.
# You can make your code fail to compile if you use deprecated APIs.
# In order to do so, uncomment the following line.
# Please consult the documentation of the deprecated API in order to know
# how to port your code away from it.
# You can also select to disable deprecated APIs only up to a certain version of Qt.
#DEFINES += QT_DISABLE_DEPRECATED_BEFORE=0x060000 # disables all the APIs deprecated before Qt 6.0.0
# Input
HEADERS += WebView.h
SOURCES += main.cpp WebView.cpp
QMAKE_LIBDIR += /home/kling/src/serenity/Build/lagom/
LIBS += \
-llagom-web \
-llagom-gemini \
-llagom-gfx \
-llagom-crypto \
-llagom-core \
-llagom-http \
-llagom-tls \
-llagom-websocket \
-llagom-main
QMAKE_CXXFLAGS += -std=c++20 -Wno-expansion-to-defined -Wno-literal-suffix -Wno-deprecated-enum-enum-conversion

43
Ladybird/main.cpp Normal file
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#include "WebView.h"
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/Timer.h>
#include <LibMain/Main.h>
#include <QApplication>
#include <QMainWindow>
#include <QWidget>
extern void initialize_web_engine();
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
initialize_web_engine();
String url;
Core::ArgsParser args_parser;
args_parser.set_general_help("The Ladybird web browser :^)");
args_parser.add_positional_argument(url, "URL to open", "url", Core::ArgsParser::Required::No);
args_parser.parse(arguments);
Core::EventLoop event_loop;
QApplication app(arguments.argc, arguments.argv);
QMainWindow window;
window.setWindowTitle("Ladybird");
window.resize(800, 600);
window.show();
WebView view;
window.setCentralWidget(&view);
auto qt_event_loop_driver = Core::Timer::create_repeating(50, [&] {
app.processEvents();
});
qt_event_loop_driver->start();
if (!url.is_empty()) {
view.load(url);
}
return event_loop.exec();
}