55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
#pragma once
|
|
|
|
#include <mbgl/storage/file_source.hpp>
|
|
|
|
#pragma GCC diagnostic push
|
|
#pragma GCC diagnostic ignored "-Wunused-parameter"
|
|
#pragma GCC diagnostic ignored "-Wshadow"
|
|
#include <nan.h>
|
|
#pragma GCC diagnostic pop
|
|
|
|
#include <memory>
|
|
#include <mutex>
|
|
#include <unordered_map>
|
|
|
|
namespace node_mbgl {
|
|
|
|
namespace util { template <typename T> class AsyncQueue; }
|
|
|
|
class NodeFileSource : public mbgl::FileSource {
|
|
public:
|
|
NodeFileSource(v8::Local<v8::Object>);
|
|
~NodeFileSource();
|
|
|
|
mbgl::Request* request(const mbgl::Resource&, uv_loop_t*, Callback);
|
|
void cancel(mbgl::Request*);
|
|
|
|
// visiblity?
|
|
void notify(const mbgl::Resource&, const std::shared_ptr<const mbgl::Response>&);
|
|
|
|
private:
|
|
struct Action;
|
|
using Queue = util::AsyncQueue<Action>;
|
|
|
|
void processAdd(const mbgl::Resource&);
|
|
void processCancel(const mbgl::Resource&);
|
|
|
|
Nan::Persistent<v8::Object> options;
|
|
|
|
private:
|
|
std::unordered_map<mbgl::Resource, Nan::Persistent<v8::Object>, mbgl::Resource::Hash> pending;
|
|
|
|
// The observers list will hold pointers to all the requests waiting
|
|
// for a particular resource. The access must be guarded by a mutex
|
|
// because the list is also accessed by a thread from the mbgl::Map
|
|
// object and from the main thread when notifying requests of
|
|
// completion. Concurrent access is specially needed when
|
|
// canceling a request to avoid a deadlock (see #129).
|
|
std::unordered_map<mbgl::Resource, mbgl::Request*, mbgl::Resource::Hash> observers;
|
|
std::mutex observersMutex;
|
|
|
|
Queue *queue = nullptr;
|
|
};
|
|
|
|
}
|