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track attached RootComponents

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This commit is contained in:
David Greenspan
2013-06-17 17:17:31 -07:00
parent de5b3b7b1f
commit 49d5d8feab
1 changed files with 19 additions and 0 deletions
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19
packages/ui/component.js
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@@ -670,14 +670,33 @@ RawHtmlComponent = Component.extend({
}
});
// A RootComponent is the root of its Component tree in terms
// of parent/child relationships. It's the only kind of
// component that can function without actually being added
// to another component first.
// @export RootComponent
RootComponent = Component.extend({
constructed: function () {
// skip the UNADDED phase completely
this.stage = Component.ADDED;
this._uid = Random.id();
},
render: function (buf) {
var bodyClass = this.getArg('bodyClass');
if (bodyClass)
buf.component(bodyClass.create(), {key: 'body'});
},
attached: function () {
RootComponent._attachedInstances[this._uid] = this;
},
detached: function () {
delete RootComponent._attachedInstances[this._uid];
},
destroyed: function () {
delete RootComponent._attachedInstances[this._uid];
}
});
RootComponent._attachedInstances = {};