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#include <mbgl/platform/settings.hpp>
#include <mbgl/storage/file_source_request.hpp>
#include <mbgl/storage/local_file_request.hpp>
#include <mbgl/storage/local_file_source.hpp>
#include <mbgl/storage/resource.hpp>
#include <mbgl/storage/response.hpp>
#include <mbgl/util/constants.hpp>
#include <mbgl/util/string.hpp>
#include <mbgl/util/thread.hpp>
#include <mbgl/util/url.hpp>
namespace {
bool acceptsURL(const std::string& url) {
return 0 == url.rfind(mbgl::util::FILE_PROTOCOL, 0);
}
} // namespace
namespace mbgl {
class LocalFileSource::Impl {
public:
explicit Impl(const ActorRef<Impl>&) {}
void request(const std::string& url, const ActorRef<FileSourceRequest>& req) {
if (!acceptsURL(url)) {
Response response;
response.error = std::make_unique<Response::Error>(Response::Error::Reason::Other,
"Invalid file URL");
req.invoke(&FileSourceRequest::setResponse, response);
return;
}
// Cut off the protocol and prefix with path.
const auto path = mbgl::util::percentDecode(url.substr(std::char_traits<char>::length(util::FILE_PROTOCOL)));
requestLocalFile(path, req);
}
};
LocalFileSource::LocalFileSource()
: impl(std::make_unique<util::Thread<Impl>>(
util::makeThreadPrioritySetter(platform::EXPERIMENTAL_THREAD_PRIORITY_FILE), "LocalFileSource")) {}
LocalFileSource::~LocalFileSource() = default;
std::unique_ptr<AsyncRequest> LocalFileSource::request(const Resource& resource, Callback callback) {
auto req = std::make_unique<FileSourceRequest>(std::move(callback));
impl->actor().invoke(&Impl::request, resource.url, req->actor());
return std::move(req);
}
bool LocalFileSource::canRequest(const Resource& resource) const {
return acceptsURL(resource.url);
}
void LocalFileSource::pause() {
impl->pause();
}
void LocalFileSource::resume() {
impl->resume();
}
} // namespace mbgl
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