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LibWebView: Add a settings section to manage browsing data caches

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This adds a section to allow users to clear the HTTP disk cache and
cookies / local storage / session storage. There are a few options to
limit this action to a specific time range (e.g. "last hour"). The
user is informed how much disk space is being used currently, and how
much will be removed given the selected time range.

The idea is that in the future, we can add more settings here to auto-
delete data on exit, disable caching altogether, etc.
This commit is contained in:
Timothy Flynn 2025-11-02 18:44:17 -05:00 • committed by Tim Flynn
parent 48aa16d74b
commit c34119cb29
Notes: github-actions[bot] 2025-11-12 14:08:01 +00:00
7 changed files with 307 additions and 0 deletions
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46
Libraries/LibWebView/Application.cpp
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@ -661,6 +661,52 @@ void Application::insert_clipboard_entry(Web::Clipboard::SystemClipboardRepresen
m_clipboard = move(entry);
}
NonnullRefPtr<Core::Promise<Application::BrowsingDataSizes>> Application::estimate_browsing_data_size_accessed_since(UnixDateTime since)
{
auto promise = Core::Promise<BrowsingDataSizes>::construct();
m_request_server_client->estimate_cache_size_accessed_since(since)
->when_resolved([this, promise, since](Requests::CacheSizes cache_sizes) {
auto cookie_sizes = m_cookie_jar->estimate_storage_size_accessed_since(since);
auto storage_sizes = m_storage_jar->estimate_storage_size_accessed_since(since);
BrowsingDataSizes sizes;
sizes.cache_size_since_requested_time = cache_sizes.since_requested_time;
sizes.total_cache_size = cache_sizes.total;
sizes.site_data_size_since_requested_time = cookie_sizes.since_requested_time + storage_sizes.since_requested_time;
sizes.total_site_data_size = cookie_sizes.total + storage_sizes.total;
promise->resolve(sizes);
})
.when_rejected([promise](Error& error) {
promise->reject(move(error));
});
return promise;
}
void Application::clear_browsing_data(ClearBrowsingDataOptions const& options)
{
if (options.delete_cached_files == ClearBrowsingDataOptions::Delete::Yes) {
m_request_server_client->async_remove_cache_entries_accessed_since(options.since);
// FIXME: Maybe we should forward the "since" parameter to the WebContent process, but the in-memory cache is
// transient anyways, so just assuming they were all accessed in the last hour is fine for now.
ViewImplementation::for_each_view([](ViewImplementation& view) {
// FIXME: This should be promoted from a debug request to a proper endpoint.
view.debug_request("clear-cache"sv);
return IterationDecision::Continue;
});
}
if (options.delete_site_data == ClearBrowsingDataOptions::Delete::Yes) {
m_cookie_jar->expire_cookies_accessed_since(options.since);
m_storage_jar->remove_items_accessed_since(options.since);
}
}
void Application::initialize_actions()
{
auto debug_request = [this](auto request) {