efortuna@google.com
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Current ones that still remain to be made private include createElement(NS), createRange, all the Element properties, and childNodes. BUG= R=blois@google.com Review URL: https://codereview.chromium.org//23055008 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@26605 260f80e4-7a28-3924-810f-c04153c831b5
108 lines
2.8 KiB
Plaintext
108 lines
2.8 KiB
Plaintext
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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part of $LIBRARYNAME;
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@DocsEditable()
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$(ANNOTATIONS)$(CLASS_MODIFIERS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC {
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@DomName('Geolocation.getCurrentPosition')
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Future<Geoposition> getCurrentPosition({bool enableHighAccuracy,
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Duration timeout, Duration maximumAge}) {
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var options = {};
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if (enableHighAccuracy != null) {
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options['enableHighAccuracy'] = enableHighAccuracy;
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}
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if (timeout != null) {
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options['timeout'] = timeout.inMilliseconds;
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}
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if (maximumAge != null) {
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options['maximumAge'] = maximumAge.inMilliseconds;
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}
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var completer = new Completer<Geoposition>();
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try {
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_getCurrentPosition(
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(position) {
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completer.complete(_ensurePosition(position));
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},
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(error) {
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completer.completeError(error);
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},
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options);
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} catch (e, stacktrace) {
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completer.completeError(e, stacktrace);
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}
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return completer.future;
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}
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@DomName('Geolocation.watchPosition')
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Stream<Geoposition> watchPosition({bool enableHighAccuracy,
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Duration timeout, Duration maximumAge}) {
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var options = {};
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if (enableHighAccuracy != null) {
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options['enableHighAccuracy'] = enableHighAccuracy;
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}
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if (timeout != null) {
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options['timeout'] = timeout.inMilliseconds;
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}
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if (maximumAge != null) {
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options['maximumAge'] = maximumAge.inMilliseconds;
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}
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int watchId;
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var controller;
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controller = new StreamController<Geoposition>(sync: true,
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onListen: () {
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assert(watchId == null);
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watchId = _watchPosition(
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(position) {
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controller.add(_ensurePosition(position));
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},
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(error) {
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controller.addError(error);
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},
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options);
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},
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onCancel: () {
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assert(watchId != null);
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_clearWatch(watchId);
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});
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return controller.stream;
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}
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Geoposition _ensurePosition(domPosition) {
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$if DART2JS
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try {
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// Firefox may throw on this.
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if (domPosition is Geoposition) {
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return domPosition;
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}
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} catch(e) {}
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return new _GeopositionWrapper(domPosition);
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$else
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return domPosition;
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$endif
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}
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$!MEMBERS}
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$if DART2JS
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/**
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* Wrapper for Firefox- it returns an object which we cannot map correctly.
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* Basically Firefox was returning a [xpconnect wrapped nsIDOMGeoPosition] but
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* which has further oddities.
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*/
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class _GeopositionWrapper implements Geoposition {
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var _ptr;
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_GeopositionWrapper(this._ptr);
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Coordinates get coords => JS('Coordinates', '#.coords', _ptr);
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int get timestamp => JS('int', '#.timestamp', _ptr);
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}
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$endif
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