64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
#ifndef MBGL_STORAGE_DEFAULT_DEFAULT_FILE_SOURCE
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#define MBGL_STORAGE_DEFAULT_DEFAULT_FILE_SOURCE
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#include <mbgl/storage/file_source.hpp>
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#include <mbgl/storage/file_cache.hpp>
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#include <set>
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#include <unordered_map>
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#include <thread>
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namespace mapbox { namespace util { template<typename... Types> class variant; } }
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namespace mbgl {
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namespace util { template <typename T> class AsyncQueue; }
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class SharedRequestBase;
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class DefaultFileSource : public FileSource {
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public:
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DefaultFileSource(FileCache *cache, const std::string &root = "");
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DefaultFileSource(FileCache *cache, uv_loop_t *loop, const std::string &root = "");
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~DefaultFileSource();
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Request *request(const Resource &resource, uv_loop_t *loop, Callback callback);
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void cancel(Request *request);
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void request(const Resource &resource, Callback callback);
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enum class CacheHint : uint8_t { Full, Refresh, No };
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void notify(SharedRequestBase *sharedRequest, const std::set<Request *> &observers,
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std::shared_ptr<const Response> response, FileCache::Hint hint);
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public:
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const std::string assetRoot;
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private:
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struct ActionDispatcher;
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struct AddRequestAction;
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struct RemoveRequestAction;
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struct ResultAction;
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struct StopAction;
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using Action =
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mapbox::util::variant<AddRequestAction, RemoveRequestAction, ResultAction, StopAction>;
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using Queue = util::AsyncQueue<Action>;
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void process(AddRequestAction &action);
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void process(RemoveRequestAction &action);
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void process(ResultAction &action);
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void process(StopAction &action);
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SharedRequestBase *find(const Resource &resource);
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std::unordered_map<Resource, SharedRequestBase *, Resource::Hash> pending;
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uv_loop_t *loop = nullptr;
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FileCache *cache = nullptr;
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Queue *queue = nullptr;
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std::thread thread;
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};
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}
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#endif
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