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Unified Diff: sdk/lib/html/dartium/html_dartium.dart

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Issue 2124863002: Fix animationFrameRequest for dartium. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: Created 4 years, 5 months ago
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Index: sdk/lib/html/dartium/html_dartium.dart
diff --git a/sdk/lib/html/dartium/html_dartium.dart b/sdk/lib/html/dartium/html_dartium.dart
index 35b620a96cd8592cba47601ac87f1f7c541c57eb..5c4350579991556b1fe58816a31921f51e7a3648 100644
--- a/sdk/lib/html/dartium/html_dartium.dart
+++ b/sdk/lib/html/dartium/html_dartium.dart
@@ -39464,6 +39464,7 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
return completer.future;
}
+
/**
* Called to draw an animation frame and then request the window to repaint
* after [callback] has finished (creating the animation).
@@ -39482,9 +39483,53 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
*/
@DomName('Window.requestAnimationFrame')
int requestAnimationFrame(FrameRequestCallback callback) {
- return _requestAnimationFrame(_wrapZone(callback));
+ if (identical(Zone.current, Zone.ROOT)) {
+ return _requestAnimationFrame(callback);
+ }
+ var spec = new AnimationFrameRequestSpecification(this, callback);
+ var task = Zone.current.createTask/*<AnimationFrameTask>*/(
+ _createAnimationFrameTask, spec);
+ AnimationFrameTask._tasks[task.id] = task;
+ return task.id;
}
+ static _AnimationFrameTask _createAnimationFrameTask(
+ AnimationFrameRequestSpecification spec, Zone zone) {
+ var task;
+ var id = spec.window._requestAnimationFrame((num time) {
+ AnimationFrameTask.removeMapping(task.id);
+ zone.runTask(_runAnimationFrame, task, time);
+ });
+ var callback = zone.registerUnaryCallback(spec.callback);
+ task = new _AnimationFrameTask(id, zone, callback);
+ return task;
+ }
+
+ static void _runAnimationFrame(_AnimationFrameTask task, num time) {
+ task._callback(time);
+ }
+
+ /**
+ * Cancels an animation frame request.
+ *
+ * ## Other resources
+ *
+ * * [Window.cancelAnimationFrame](https://developer.mozilla.org/en-US/docs/Web/API/Window.cancelAnimationFrame)
+ * from MDN.
+ */
+ @DomName('Window.cancelAnimationFrame')
+ void cancelAnimationFrame(int id) {
+ _ensureRequestAnimationFrame();
+ var task = AnimationFrameTask._tasks.remove(id);
+ if (task == null) {
+ // Assume that the animation frame request wasn't intercepted by a zone.
+ _cancelAnimationFrame(id);
+ return;
+ }
+ task.cancel(this);
+ }
+
+
/**
* Access a sandboxed file system of the specified `size`. If `persistent` is
* true, the application will request permission from the user to create
@@ -40251,7 +40296,7 @@ class Window extends EventTarget implements WindowEventHandlers, WindowBase, Glo
@DomName('Window.cancelAnimationFrame')
@DocsEditable()
- void cancelAnimationFrame(int handle) => _blink.BlinkWindow.instance.cancelAnimationFrame_Callback_1_(this, handle);
+ void _cancelAnimationFrame(int handle) => _blink.BlinkWindow.instance.cancelAnimationFrame_Callback_1_(this, handle);
@DomName('Window.close')
@DocsEditable()
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