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#include <mbgl/map/live_tile_data.hpp>
#include <mbgl/annotation/annotation_tile.hpp>
#include <mbgl/style/style_layer.hpp>
#include <mbgl/map/source.hpp>
#include <mbgl/text/collision_tile.hpp>
#include <mbgl/util/worker.hpp>
#include <mbgl/util/work_request.hpp>
#include <mbgl/style/style.hpp>
#include <mbgl/style/style_bucket.hpp>
#include <sstream>
using namespace mbgl;
LiveTileData::LiveTileData(const TileID& id_,
std::unique_ptr<AnnotationTile> tile_,
Style& style_,
const SourceInfo& source_,
std::function<void()> callback)
: TileData(id_),
worker(style_.workers),
tileWorker(id_,
source_.source_id,
style_,
style_.layers,
state,
std::make_unique<CollisionTile>(0, 0, false)),
tile(std::move(tile_)) {
state = State::loaded;
if (!tile) {
state = State::parsed;
return;
}
parsePending(callback);
}
bool LiveTileData::parsePending(std::function<void()> callback) {
if (workRequest || (state != State::loaded && state != State::partial)) {
return false;
}
workRequest = worker.parseLiveTile(tileWorker, *tile, [this, callback] (TileParseResult result) {
workRequest.reset();
if (result.is<TileParseResultBuckets>()) {
auto& resultBuckets = result.get<TileParseResultBuckets>();
state = resultBuckets.state;
// Move over all buckets we received in this parse request, potentially overwriting
// existing buckets in case we got a refresh parse.
for (auto& bucket : resultBuckets.buckets) {
buckets[bucket.first] = std::move(bucket.second);
}
} else {
error = result.get<std::string>();
state = State::obsolete;
}
callback();
});
return true;
}
LiveTileData::~LiveTileData() {
cancel();
}
Bucket* LiveTileData::getBucket(const StyleLayer& layer) {
if (!isReady() || !layer.bucket) {
return nullptr;
}
const auto it = buckets.find(layer.bucket->name);
if (it == buckets.end()) {
return nullptr;
}
assert(it->second);
return it->second.get();
}
void LiveTileData::cancel() {
state = State::obsolete;
workRequest.reset();
}
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