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serenity/Userland/Services/WebContent/ClientConnection.cpp
Andreas Kling df2a4adcd2 Browser+LibWeb+WebContent: Make the "Debug" menu work in multi-process
This patch adds an IPC call for debugging requests. It's stringly typed
and very simple, and allows us to easily implement all the features in
the Browser's Debug menu.
2021-01-31 09:07:46 +01:00

211 lines
7.3 KiB
C++

/*
* Copyright (c) 2020-2021, Andreas Kling <kling@serenityos.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this
* list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <AK/Badge.h>
#include <AK/Debug.h>
#include <LibGfx/Bitmap.h>
#include <LibGfx/SystemTheme.h>
#include <LibJS/Heap/Heap.h>
#include <LibJS/Runtime/VM.h>
#include <LibWeb/DOM/Document.h>
#include <LibWeb/Dump.h>
#include <LibWeb/Layout/InitialContainingBlockBox.h>
#include <LibWeb/Page/Frame.h>
#include <WebContent/ClientConnection.h>
#include <WebContent/PageHost.h>
#include <WebContent/WebContentClientEndpoint.h>
#include <pthread.h>
namespace Web::DOM {
extern JS::VM& main_thread_vm();
}
namespace WebContent {
static HashMap<int, RefPtr<ClientConnection>> s_connections;
ClientConnection::ClientConnection(NonnullRefPtr<Core::LocalSocket> socket, int client_id)
: IPC::ClientConnection<WebContentClientEndpoint, WebContentServerEndpoint>(*this, move(socket), client_id)
, m_page_host(PageHost::create(*this))
{
s_connections.set(client_id, *this);
m_paint_flush_timer = Core::Timer::create_single_shot(0, [this] { flush_pending_paint_requests(); });
}
ClientConnection::~ClientConnection()
{
}
void ClientConnection::die()
{
s_connections.remove(client_id());
if (s_connections.is_empty())
Core::EventLoop::current().quit(0);
}
Web::Page& ClientConnection::page()
{
return m_page_host->page();
}
const Web::Page& ClientConnection::page() const
{
return m_page_host->page();
}
OwnPtr<Messages::WebContentServer::GreetResponse> ClientConnection::handle(const Messages::WebContentServer::Greet& message)
{
set_client_pid(message.client_pid());
return make<Messages::WebContentServer::GreetResponse>(client_id(), getpid());
}
void ClientConnection::handle(const Messages::WebContentServer::UpdateSystemTheme& message)
{
Gfx::set_system_theme(message.theme_buffer());
auto impl = Gfx::PaletteImpl::create_with_anonymous_buffer(message.theme_buffer());
m_page_host->set_palette_impl(*impl);
}
void ClientConnection::handle(const Messages::WebContentServer::LoadURL& message)
{
dbgln<SPAM_DEBUG>("handle: WebContentServer::LoadURL: url={}", message.url());
String process_name;
if (message.url().host().is_empty())
process_name = "WebContent";
else
process_name = String::formatted("WebContent: {}", message.url().host());
pthread_setname_np(pthread_self(), process_name.characters());
page().load(message.url());
}
void ClientConnection::handle(const Messages::WebContentServer::LoadHTML& message)
{
dbgln<SPAM_DEBUG>("handle: WebContentServer::LoadHTML: html={}, url={}", message.html(), message.url());
page().load_html(message.html(), message.url());
}
void ClientConnection::handle(const Messages::WebContentServer::SetViewportRect& message)
{
dbgln<SPAM_DEBUG>("handle: WebContentServer::SetViewportRect: rect={}", message.rect());
m_page_host->set_viewport_rect(message.rect());
}
void ClientConnection::handle(const Messages::WebContentServer::AddBackingStore& message)
{
m_backing_stores.set(message.backing_store_id(), *message.bitmap().bitmap());
}
void ClientConnection::handle(const Messages::WebContentServer::RemoveBackingStore& message)
{
m_backing_stores.remove(message.backing_store_id());
}
void ClientConnection::handle(const Messages::WebContentServer::Paint& message)
{
for (auto& pending_paint : m_pending_paint_requests) {
if (pending_paint.bitmap_id == message.backing_store_id()) {
pending_paint.content_rect = message.content_rect();
return;
}
}
auto it = m_backing_stores.find(message.backing_store_id());
if (it == m_backing_stores.end()) {
did_misbehave("Client requested paint with backing store ID");
return;
}
auto& bitmap = *it->value;
m_pending_paint_requests.append({ message.content_rect(), bitmap, message.backing_store_id() });
m_paint_flush_timer->start();
}
void ClientConnection::flush_pending_paint_requests()
{
for (auto& pending_paint : m_pending_paint_requests) {
m_page_host->paint(pending_paint.content_rect, *pending_paint.bitmap);
post_message(Messages::WebContentClient::DidPaint(pending_paint.content_rect, pending_paint.bitmap_id));
}
m_pending_paint_requests.clear();
}
void ClientConnection::handle(const Messages::WebContentServer::MouseDown& message)
{
page().handle_mousedown(message.position(), message.button(), message.modifiers());
}
void ClientConnection::handle(const Messages::WebContentServer::MouseMove& message)
{
page().handle_mousemove(message.position(), message.buttons(), message.modifiers());
}
void ClientConnection::handle(const Messages::WebContentServer::MouseUp& message)
{
page().handle_mouseup(message.position(), message.button(), message.modifiers());
}
void ClientConnection::handle(const Messages::WebContentServer::KeyDown& message)
{
page().handle_keydown((KeyCode)message.key(), message.modifiers(), message.code_point());
}
void ClientConnection::handle(const Messages::WebContentServer::DebugRequest& message)
{
if (message.request() == "dump-dom-tree") {
if (auto* doc = page().main_frame().document())
Web::dump_tree(*doc);
}
if (message.request() == "dump-layout-tree") {
if (auto* doc = page().main_frame().document()) {
if (auto* icb = doc->layout_node())
Web::dump_tree(*icb);
}
}
if (message.request() == "dump-style-sheets") {
if (auto* doc = page().main_frame().document()) {
for (auto& sheet : doc->style_sheets().sheets()) {
Web::dump_sheet(sheet);
}
}
}
if (message.request() == "collect-garbage") {
::Web::DOM::main_thread_vm().heap().collect_garbage(JS::Heap::CollectionType::CollectGarbage, true);
}
if (message.request() == "set-line-box-borders") {
bool state = message.argument() == "on";
m_page_host->set_should_show_line_box_borders(state);
page().main_frame().set_needs_display(page().main_frame().viewport_rect());
}
}
}