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LibWebView: Create a spare WebContent process

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Since cross-site navigation is a pretty frequent task, creating a spare
process is commonplace in other browsers to reduce the overhead of
directing the target site to a new process.

We store this process on the WebView application. If it is unavailable,
we queue a task to create it later.
This commit is contained in:
Timothy Flynn 2025-03-09 18:01:25 -04:00 • committed by Jelle Raaijmakers
commit aca4385daf
Notes: github-actions[bot] 2025-03-11 11:11:42 +00:00
8 changed files with 98 additions and 9 deletions
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24
Libraries/LibWebView/HelperProcess.cpp
View file

@ -79,10 +79,11 @@ static ErrorOr<NonnullRefPtr<ClientType>> launch_server_process(
VERIFY_NOT_REACHED();
}
ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_web_content_process(
WebView::ViewImplementation& view,
template<typename... ClientArguments>
static ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_web_content_process_impl(
IPC::File image_decoder_socket,
Optional<IPC::File> request_server_socket)
Optional<IPC::File> request_server_socket,
ClientArguments&&... client_arguments)
{
auto const& chrome_options = WebView::Application::chrome_options();
auto const& web_content_options = WebView::Application::web_content_options();
@ -138,7 +139,22 @@ ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_web_content_process(
arguments.append("--image-decoder-socket"sv);
arguments.append(ByteString::number(image_decoder_socket.fd()));
return launch_server_process<WebView::WebContentClient>("WebContent"sv, move(arguments), view);
return launch_server_process<WebView::WebContentClient>("WebContent"sv, move(arguments), forward<ClientArguments>(client_arguments)...);
}
ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_web_content_process(
WebView::ViewImplementation& view,
IPC::File image_decoder_socket,
Optional<IPC::File> request_server_socket)
{
return launch_web_content_process_impl(move(image_decoder_socket), move(request_server_socket), view);
}
ErrorOr<NonnullRefPtr<WebView::WebContentClient>> launch_spare_web_content_process(
IPC::File image_decoder_socket,
Optional<IPC::File> request_server_socket)
{
return launch_web_content_process_impl(move(image_decoder_socket), move(request_server_socket));
}
ErrorOr<NonnullRefPtr<ImageDecoderClient::Client>> launch_image_decoder_process()