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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 part of $LIBRARYNAME; | 5 part of $LIBRARYNAME; |
6 | 6 |
7 $if DART2JS | |
8 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS native "@*DOMWindow" { | 7 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS native "@*DOMWindow" { |
9 $else | |
10 $(ANNOTATIONS)class $CLASSNAME$EXTENDS$IMPLEMENTS$NATIVESPEC { | |
11 $endif | |
12 | 8 |
13 /** | |
14 * Executes a [callback] after the immediate execution stack has completed. | |
15 * | |
16 * This differs from using Timer.run(callback) | |
17 * because Timer will run in about 4-15 milliseconds, depending on browser, | |
18 * depending on load. [setImmediate], in contrast, makes browser-specific | |
19 * changes in behavior to attempt to run immediately after the current | |
20 * frame unwinds, causing the future to complete after all processing has | |
21 * completed for the current event, but before any subsequent events. | |
22 */ | |
23 void setImmediate(TimeoutHandler callback) { | |
24 _addMicrotaskCallback(callback); | |
25 } | |
26 /** | |
27 * Lookup a port by its [name]. Return null if no port is | |
28 * registered under [name]. | |
29 */ | |
30 SendPortSync lookupPort(String name) { | |
31 var port = | |
32 json.parse(document.documentElement.attributes['dart-port:$name']); | |
33 return _deserialize(port); | |
34 } | |
35 | |
36 /** | |
37 * Register a [port] on this window under the given [name]. This | |
38 * port may be retrieved by any isolate (or JavaScript script) | |
39 * running in this window. | |
40 */ | |
41 void registerPort(String name, var port) { | |
42 var serialized = _serialize(port); | |
43 document.documentElement.attributes['dart-port:$name'] = | |
44 json.stringify(serialized); | |
45 } | |
46 | |
47 /** | |
48 * Returns a Future that completes just before the window is about to repaint | |
49 * so the user can draw an animation frame | |
50 * | |
51 * If you need to later cancel this animation, use [requestAnimationFrame] | |
52 * instead. | |
53 * | |
54 * Note: The code that runs when the future completes should call | |
55 * [animationFrame] again for the animation to continue. | |
56 */ | |
57 Future<num> get animationFrame { | |
58 var completer = new Completer<int>(); | |
59 requestAnimationFrame(completer.complete); | |
60 return completer.future; | |
61 } | |
62 | |
63 $if DART2JS | |
64 Document get document => JS('Document', '#.document', this); | 9 Document get document => JS('Document', '#.document', this); |
65 | 10 |
66 WindowBase _open2(url, name) => JS('Window', '#.open(#,#)', this, url, name); | 11 WindowBase _open2(url, name) => JS('Window', '#.open(#,#)', this, url, name); |
67 | 12 |
68 WindowBase _open3(url, name, options) => | 13 WindowBase _open3(url, name, options) => |
69 JS('Window', '#.open(#,#,#)', this, url, name, options); | 14 JS('Window', '#.open(#,#,#)', this, url, name, options); |
70 | 15 |
71 WindowBase open(String url, String name, [String options]) { | 16 WindowBase open(String url, String name, [String options]) { |
72 if (options == null) { | 17 if (options == null) { |
73 return _DOMWindowCrossFrame._createSafe(_open2(url, name)); | 18 return _DOMWindowCrossFrame._createSafe(_open2(url, name)); |
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119 // On Firefox the code that implements 'is Location' fails to find the patch | 64 // On Firefox the code that implements 'is Location' fails to find the patch |
120 // stub on Object.prototype and throws an exception. | 65 // stub on Object.prototype and throws an exception. |
121 try { | 66 try { |
122 return thing is Location; | 67 return thing is Location; |
123 } catch (e) { | 68 } catch (e) { |
124 return false; | 69 return false; |
125 } | 70 } |
126 } | 71 } |
127 | 72 |
128 /** | 73 /** |
129 * Called to draw an animation frame and then request the window to repaint | 74 * Executes a [callback] after the immediate execution stack has completed. |
130 * after [callback] has finished (creating the animation). | |
131 * | 75 * |
132 * Use this method only if you need to later call [cancelAnimationFrame]. If | 76 * This will cause the callback to be executed after all processing has |
133 * not, the preferred Dart idiom is to set animation frames by calling | 77 * completed for the current event, but before any subsequent events. |
134 * [animationFrame], which returns a Future. | |
135 * | |
136 * Returns a non-zero valued integer to represent the request id for this | |
137 * request. This value only needs to be saved if you intend to call | |
138 * [cancelAnimationFrame] so you can specify the particular animation to | |
139 * cancel. | |
140 * | |
141 * Note: The supplied [callback] needs to call [requestAnimationFrame] again | |
142 * for the animation to continue. | |
143 */ | 78 */ |
| 79 void setImmediate(TimeoutHandler callback) { |
| 80 _addMicrotaskCallback(callback); |
| 81 } |
| 82 |
144 @DomName('DOMWindow.requestAnimationFrame') | 83 @DomName('DOMWindow.requestAnimationFrame') |
145 int requestAnimationFrame(RequestAnimationFrameCallback callback) { | 84 int requestAnimationFrame(RequestAnimationFrameCallback callback) { |
146 _ensureRequestAnimationFrame(); | 85 _ensureRequestAnimationFrame(); |
147 return _requestAnimationFrame(callback); | 86 return _requestAnimationFrame(callback); |
148 } | 87 } |
149 | 88 |
150 void cancelAnimationFrame(id) { | 89 void cancelAnimationFrame(id) { |
151 _ensureRequestAnimationFrame(); | 90 _ensureRequestAnimationFrame(); |
152 _cancelAnimationFrame(id); | 91 _cancelAnimationFrame(id); |
153 } | 92 } |
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192 */ | 131 */ |
193 @SupportedBrowser(SupportedBrowser.CHROME, '23.0') | 132 @SupportedBrowser(SupportedBrowser.CHROME, '23.0') |
194 @SupportedBrowser(SupportedBrowser.FIREFOX, '15.0') | 133 @SupportedBrowser(SupportedBrowser.FIREFOX, '15.0') |
195 @SupportedBrowser(SupportedBrowser.IE, '10.0') | 134 @SupportedBrowser(SupportedBrowser.IE, '10.0') |
196 @Experimental | 135 @Experimental |
197 IdbFactory get indexedDB => | 136 IdbFactory get indexedDB => |
198 JS('IdbFactory', | 137 JS('IdbFactory', |
199 '#.indexedDB || #.webkitIndexedDB || #.mozIndexedDB', | 138 '#.indexedDB || #.webkitIndexedDB || #.mozIndexedDB', |
200 this, this, this); | 139 this, this, this); |
201 | 140 |
| 141 /** |
| 142 * Lookup a port by its [name]. Return null if no port is |
| 143 * registered under [name]. |
| 144 */ |
| 145 SendPortSync lookupPort(String name) { |
| 146 var port = json.parse(document.documentElement.attributes['dart-port:$name']
); |
| 147 return _deserialize(port); |
| 148 } |
| 149 |
| 150 /** |
| 151 * Register a [port] on this window under the given [name]. This |
| 152 * port may be retrieved by any isolate (or JavaScript script) |
| 153 * running in this window. |
| 154 */ |
| 155 void registerPort(String name, var port) { |
| 156 var serialized = _serialize(port); |
| 157 document.documentElement.attributes['dart-port:$name'] = json.stringify(seri
alized); |
| 158 } |
| 159 |
202 @DomName('Window.console') | 160 @DomName('Window.console') |
203 Console get console => Console.safeConsole; | 161 Console get console => Console.safeConsole; |
204 | 162 |
205 /// Checks if _setImmediate is supported. | 163 /// Checks if _setImmediate is supported. |
206 static bool get _supportsSetImmediate => | 164 static bool get _supportsSetImmediate => |
207 JS('bool', '!!(window.setImmediate)'); | 165 JS('bool', '!!(window.setImmediate)'); |
208 | 166 |
209 // Set immediate implementation for IE | 167 // Set immediate implementation for IE |
210 void _setImmediate(void callback()) { | 168 void _setImmediate(void callback()) { |
211 JS('void', '#.setImmediate(#)', this, convertDartClosureToJS(callback, 0)); | 169 JS('void', '#.setImmediate(#)', this, convertDartClosureToJS(callback, 0)); |
212 } | 170 } |
213 $else | |
214 /// Checks if _setImmediate is supported. | |
215 static bool get _supportsSetImmediate => false; | |
216 | |
217 /// Dartium stub for IE's setImmediate. | |
218 void _setImmediate(void callback()) { | |
219 throw new UnsupportedError('setImmediate is not supported'); | |
220 } | |
221 $endif | |
222 | 171 |
223 $!MEMBERS | 172 $!MEMBERS |
224 } | 173 } |
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