94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
#pragma once
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#include <mbgl/util/noncopyable.hpp>
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#include <mbgl/util/chrono.hpp>
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#include <mbgl/util/optional.hpp>
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#include <mbgl/util/feature.hpp>
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#include <mbgl/tile/tile_id.hpp>
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#include <mbgl/renderer/bucket.hpp>
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#include <mbgl/text/placement_config.hpp>
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#include <mbgl/tile/geometry_tile.hpp>
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#include <string>
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#include <memory>
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#include <functional>
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#include <unordered_map>
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namespace mbgl {
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class Worker;
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class DebugBucket;
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class TransformState;
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class TileSource;
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namespace style {
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class Layer;
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}
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class TileData : private util::noncopyable {
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public:
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TileData(const OverscaledTileID&);
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virtual ~TileData();
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void setTileSource(std::unique_ptr<TileSource>);
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// Mark this tile as no longer needed and cancel any pending work.
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virtual void cancel() = 0;
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virtual Bucket* getBucket(const style::Layer&) = 0;
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virtual bool parsePending() { return true; }
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virtual void redoPlacement(PlacementConfig, const std::function<void()>&) {}
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virtual void redoPlacement(const std::function<void()>&) {}
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virtual void queryRenderedFeatures(
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std::unordered_map<std::string, std::vector<Feature>>& result,
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const GeometryCoordinates& queryGeometry,
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const TransformState&,
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const optional<std::vector<std::string>>& layerIDs);
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// Tile data considered "Renderable" can be used for rendering. Data in
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// partial state is still waiting for network resources but can also
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// be rendered, although layers will be missing.
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bool isRenderable() const {
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return availableData != DataAvailability::None;
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}
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bool isComplete() const {
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return availableData == DataAvailability::All;
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}
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bool isIncomplete() const {
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return availableData == DataAvailability::Some;
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}
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void dumpDebugLogs() const;
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const OverscaledTileID id;
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optional<Timestamp> modified;
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optional<Timestamp> expires;
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// Contains the tile ID string for painting debug information.
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std::unique_ptr<DebugBucket> debugBucket;
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protected:
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enum class DataAvailability : uint8_t {
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// Still waiting for data to load or parse.
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None,
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// TileData is partially parsed, some buckets are still waiting for dependencies
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// to arrive, but it is good for rendering. Partial tiles can also be re-parsed,
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// but might remain in the same state if dependencies are still missing.
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Some,
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// TileData is fully parsed, and all buckets are available if they exist.
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All,
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};
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DataAvailability availableData = DataAvailability::None;
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std::unique_ptr<TileSource> tileSource;
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};
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} // namespace mbgl
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