1 files changed, 72 insertions, 0 deletions
diff --git a/include/mbgl/map/source.hpp b/include/mbgl/map/source.hpp
new file mode 100644
index 0000000000..be5fad3af8
--- /dev/null
+++ b/include/mbgl/map/source.hpp
@@ -0,0 +1,72 @@
+#ifndef MBGL_MAP_SOURCE
+#define MBGL_MAP_SOURCE
+
+#include <mbgl/map/tile.hpp>
+#include <mbgl/map/tile_data.hpp>
+#include <mbgl/util/noncopyable.hpp>
+#include <mbgl/util/time.hpp>
+#include <mbgl/style/style_source.hpp>
+#include <mbgl/style/types.hpp>
+
+#include <list>
+#include <forward_list>
+#include <memory>
+#include <vector>
+#include <string>
+#include <map>
+#include <set>
+
+namespace mbgl {
+
+class TransformState;
+class Texturepool;
+
+class Source : public std::enable_shared_from_this<Source>, private util::noncopyable {
+public:
+    Source(StyleSource style_source, const std::string &access_token = "");
+    Source(SourceType type = SourceType::Vector, const std::string &url = "",
+           uint32_t tile_size = 512, uint32_t min_zoom = 0, uint32_t max_zoom = 22,
+           const std::string &access_token = "");
+
+    bool update(Map &map);
+    void updateMatrices(const mat4 &projMatrix, const TransformState &transform);
+    void drawClippingMasks(Painter &painter);
+    size_t getTileCount() const;
+    void render(Painter &painter, std::shared_ptr<StyleLayer> layer_desc);
+    void finishRender(Painter &painter);
+
+    std::forward_list<Tile::ID> getIDs() const;
+    void updateClipIDs(const std::map<Tile::ID, ClipID> &mapping);
+
+    static std::string normalizeSourceURL(const std::string &url, const std::string &access_token);
+
+public:
+    const SourceType type;
+    const std::string url;
+    const uint32_t tile_size;
+    const int32_t min_zoom;
+    const int32_t max_zoom;
+
+private:
+    bool findLoadedChildren(const Tile::ID& id, int32_t maxCoveringZoom, std::forward_list<Tile::ID>& retain);
+    bool findLoadedParent(const Tile::ID& id, int32_t minCoveringZoom, std::forward_list<Tile::ID>& retain);
+    std::forward_list<Tile::ID> covering_tiles(const TransformState &state, int32_t clamped_zoom, const box& points);
+
+    bool updateTiles(Map &map);
+
+    TileData::State addTile(Map &map, const Tile::ID& id);
+    TileData::State hasTile(const Tile::ID& id);
+
+    double getZoom(const TransformState &state) const;
+
+private:
+    // Stores the time when this source was most recently updated.
+    timestamp updated = 0;
+
+    std::map<Tile::ID, std::unique_ptr<Tile>> tiles;
+    std::map<Tile::ID, std::weak_ptr<TileData>> tile_data;
+};
+
+}
+
+#endif