| Index: sdk/lib/_internal/compiler/implementation/lib/async_patch.dart
|
| ===================================================================
|
| --- sdk/lib/_internal/compiler/implementation/lib/async_patch.dart (revision 23664)
|
| +++ sdk/lib/_internal/compiler/implementation/lib/async_patch.dart (working copy)
|
| @@ -1,85 +0,0 @@
|
| -// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
|
| -// for details. All rights reserved. Use of this source code is governed by a
|
| -// BSD-style license that can be found in the LICENSE file.
|
| -
|
| -// Patch file for the dart:async library.
|
| -
|
| -import 'dart:_isolate_helper' show IsolateNatives, TimerImpl;
|
| -import 'dart:_foreign_helper' show JS, DART_CLOSURE_TO_JS;
|
| -
|
| -patch class Timer {
|
| - patch factory Timer(Duration duration, void callback()) {
|
| - int milliseconds = duration.inMilliseconds;
|
| - if (milliseconds < 0) milliseconds = 0;
|
| - return new TimerImpl(milliseconds, callback);
|
| - }
|
| -
|
| - patch factory Timer.periodic(Duration duration, void callback(Timer timer)) {
|
| - int milliseconds = duration.inMilliseconds;
|
| - if (milliseconds < 0) milliseconds = 0;
|
| - return new TimerImpl.periodic(milliseconds, callback);
|
| - }
|
| -}
|
| -
|
| -patch class _AsyncRun {
|
| - patch static void _enqueueImmediate(void callback()) {
|
| - // TODO(9002): don't use the Timer to enqueue the immediate callback.
|
| - Timer.run(callback);
|
| - }
|
| -}
|
| -
|
| -patch class DeferredLibrary {
|
| - patch Future<bool> load() {
|
| - return _load(libraryName, uri);
|
| - }
|
| -}
|
| -
|
| -// TODO(ahe): This should not only apply to this isolate.
|
| -final _loadedLibraries = <String, Completer<bool>>{};
|
| -
|
| -Future<bool> _load(String libraryName, String uri) {
|
| - // TODO(ahe): Validate libraryName. Kasper points out that you want
|
| - // to be able to experiment with the effect of toggling @DeferLoad,
|
| - // so perhaps we should silently ignore "bad" library names.
|
| - Completer completer = new Completer<bool>();
|
| - Future<bool> future = _loadedLibraries[libraryName];
|
| - if (future != null) {
|
| - future.then((_) { completer.complete(false); });
|
| - return completer.future;
|
| - }
|
| - _loadedLibraries[libraryName] = completer.future;
|
| -
|
| - if (uri == null) {
|
| - uri = IsolateNatives.thisScript;
|
| - int index = uri.lastIndexOf('/');
|
| - uri = '${uri.substring(0, index + 1)}part.js';
|
| - }
|
| -
|
| - if (_hasDocument) {
|
| - // Inject a script tag.
|
| - var script = JS('', 'document.createElement("script")');
|
| - JS('', '#.type = "text/javascript"', script);
|
| - JS('', '#.async = "async"', script);
|
| - JS('', '#.src = #', script, uri);
|
| - var onLoad = JS('', '#.bind(null, #)',
|
| - DART_CLOSURE_TO_JS(_onDeferredLibraryLoad), completer);
|
| - JS('', '#.addEventListener("load", #, false)', script, onLoad);
|
| - JS('', 'document.body.appendChild(#)', script);
|
| - } else if (JS('String', 'typeof load') == 'function') {
|
| - Timer.run(() {
|
| - JS('void', 'load(#)', uri);
|
| - completer.complete(true);
|
| - });
|
| - } else {
|
| - throw new UnsupportedError('load not supported');
|
| - }
|
| - return completer.future;
|
| -}
|
| -
|
| -/// Used to implement deferred loading. Used as callback on "load"
|
| -/// event above in [load].
|
| -_onDeferredLibraryLoad(Completer<bool> completer, event) {
|
| - completer.complete(true);
|
| -}
|
| -
|
| -bool get _hasDocument => JS('String', 'typeof document') == 'object';
|
|
|