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import mbgl from '../index';
import request from 'request';
import {PNG} from 'pngjs';
import * as fs from 'fs';
import * as path from 'path';
mbgl.on('message', function(msg) {
console.log('%s (%s): %s', msg.severity, msg.class, msg.text);
});
// Map of map objects by pixel ratio
const maps = new Map();
export default function (style, options, callback) {
const tileMode = options.mapMode === 'tile';
let map;
if (options.recycleMap) {
const key = options.pixelRatio + '/' + tileMode + '/' + options.crossSourceCollisions;
if (maps.has(key)) {
map = maps.get(key);
map.request = mapRequest;
} else {
maps.set(key, new mbgl.Map({
ratio: options.pixelRatio,
request: mapRequest,
mode: options.mapMode,
crossSourceCollisions: typeof options.crossSourceCollisions === "undefined" ? true : options.crossSourceCollisions
}));
map = maps.get(key);
}
} else {
map = new mbgl.Map({
ratio: options.pixelRatio,
request: mapRequest,
mode: options.mapMode,
crossSourceCollisions: typeof options.crossSourceCollisions === "undefined" ? true : options.crossSourceCollisions
});
}
let timedOut = false;
const watchdog = setTimeout(function () {
timedOut = true;
map.dumpDebugLogs();
callback(new Error('timed out after 20 seconds'));
}, 20000);
options.debug = {
tileBorders: options.debug,
collision: options.collisionDebug,
overdraw: options.showOverdrawInspector,
};
options.center = style.center || [0, 0];
options.zoom = style.zoom || 0;
options.bearing = style.bearing || 0;
options.pitch = style.pitch || 0;
options.light = style.light || {};
map.load(style, { defaultStyleCamera: true });
function mapRequest(req, callback) {
request(req.url, {encoding: null}, function (err, response, body) {
if (err) {
callback(err);
} else if (response.statusCode === 404) {
callback();
} else if (response.statusCode !== 200) {
callback(new Error(response.statusMessage));
} else {
callback(null, {data: body});
}
});
}
applyOperations(options.operations, function() {
map.render(options, function (err, pixels) {
const results = options.queryGeometry ?
map.queryRenderedFeatures(options.queryGeometry, options.queryOptions || {}) :
[];
if (!options.recycleMap) {
map.release();
}
if (timedOut) return;
clearTimeout(watchdog);
callback(err, pixels, results.map(prepareFeatures));
});
});
function applyOperations(operations, callback) {
const operation = operations && operations[0];
if (!operations || operations.length === 0) {
callback();
} else if (operation[0] === 'wait') {
map.render(options, function () {
applyOperations(operations.slice(1), callback);
});
} else if (operation[0] === 'sleep') {
// Prefer "wait", which renders until the map is loaded
// Use "sleep" when you need to test something that sidesteps the "loaded" logic
setTimeout(() => {
applyOperations(operations.slice(1), callback);
}, operation[1]);
} else if (operation[0] === 'addImage' || operation[0] === 'updateImage') {
const img = PNG.sync.read(fs.readFileSync(path.join(__dirname, '../../../mapbox-gl-js/test/integration', operation[2])));
const testOpts = (operation.length > 3) ? operation[3] : {};
const options = {
height: img.height,
width: img.width,
pixelRatio: testOpts.pixelRatio || 1,
sdf: testOpts.sdf || false
};
map.addImage(operation[1], img.data, options);
applyOperations(operations.slice(1), callback);
} else if (operation[0] === 'setStyle') {
map.load(operation[1]);
applyOperations(operations.slice(1), callback);
} else {
// Ensure that the next `map.render(options)` does not overwrite this change.
if (operation[0] === 'setCenter') {
options.center = operation[1];
} else if (operation[0] === 'setZoom') {
options.zoom = operation[1];
} else if (operation[0] === 'setBearing') {
options.bearing = operation[1];
} else if (operation[0] === 'setPitch') {
options.pitch = operation[1];
} else if (operation[0] === 'setLight') {
options.light = operation[1];
}
map[operation[0]].apply(map, operation.slice(1));
applyOperations(operations.slice(1), callback);
}
}
function prepareFeatures(r) {
delete r.layer;
return r;
}
};
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