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#include <mbgl/map/raster_tile_data.hpp>
#include <mbgl/map/source.hpp>
#include <mbgl/storage/resource.hpp>
#include <mbgl/storage/response.hpp>
#include <mbgl/storage/file_source.hpp>
#include <mbgl/util/worker.hpp>
#include <mbgl/util/work_request.hpp>
#include <sstream>
using namespace mbgl;
RasterTileData::RasterTileData(const TileID& id_,
TexturePool &texturePool,
const SourceInfo &source_)
: TileData(id_),
source(source_),
bucket(texturePool, layout) {
}
RasterTileData::~RasterTileData() {
cancel();
}
void RasterTileData::request(Worker& worker,
float pixelRatio,
const std::function<void()>& callback) {
std::string url = source.tileURL(id, pixelRatio);
state = State::loading;
FileSource* fs = util::ThreadContext::getFileSource();
req = fs->request({ Resource::Kind::Tile, url }, util::RunLoop::current.get()->get(), [url, callback, &worker, this](const Response &res) {
req = nullptr;
if (res.status != Response::Successful) {
std::stringstream message;
message << "Failed to load [" << url << "]: " << res.message;
error = message.str();
state = State::obsolete;
callback();
return;
}
state = State::loaded;
workRequest = worker.parseRasterTile(bucket, res.data, [this, callback] (bool result) {
if (state != State::loaded) {
return;
}
if (result) {
state = State::parsed;
} else {
state = State::invalid;
}
callback();
});
});
}
bool RasterTileData::reparse(Worker&, std::function<void()>) {
assert(false);
return false;
}
Bucket* RasterTileData::getBucket(StyleLayer const&) {
return &bucket;
}
void RasterTileData::cancel() {
if (state != State::obsolete) {
state = State::obsolete;
}
if (req) {
util::ThreadContext::getFileSource()->cancel(req);
req = nullptr;
}
workRequest.reset();
}
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