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#include <LibC/SharedBuffer.h>
#include <LibCore/CFile.h>
#include <LibHTML/ResourceLoader.h>
#include <LibProtocol/Client.h>
#include <LibProtocol/Download.h>
ResourceLoader& ResourceLoader::the()
{
static ResourceLoader* s_the;
if (!s_the)
s_the = &ResourceLoader::construct().leak_ref();
return *s_the;
}
ResourceLoader::ResourceLoader()
: m_protocol_client(LibProtocol::Client::construct())
{
}
void ResourceLoader::load(const URL& url, Function<void(const ByteBuffer&)> callback)
{
if (url.protocol() == "file") {
auto f = CFile::construct();
f->set_filename(url.path());
if (!f->open(CIODevice::OpenMode::ReadOnly)) {
dbg() << "ResourceLoader::load: Error: " << f->error_string();
callback({});
return;
}
auto data = f->read_all();
deferred_invoke([data = move(data), callback = move(callback)](auto&) {
callback(data);
});
return;
}
if (url.protocol() == "http") {
auto download = protocol_client().start_download(url.to_string());
download->on_finish = [this, callback = move(callback)](bool success, const ByteBuffer& payload, auto) {
--m_pending_loads;
if (on_load_counter_change)
on_load_counter_change();
if (!success) {
dbg() << "HTTP load failed!";
callback({});
return;
}
callback(ByteBuffer::copy(payload.data(), payload.size()));
};
++m_pending_loads;
if (on_load_counter_change)
on_load_counter_change();
return;
}
dbg() << "Unimplemented protocol: " << url.protocol();
ASSERT_NOT_REACHED();
}
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