Pete Bacon Darwin 966eb2fbd0 aio: add h1 title to floating table of contents (#16959)
* refactor(aio): use explicit CSS class for TOC container

This makes the styling less fragile to changes in the HTML

* fix(aio): schedule TocComponent.activeIndex updates via AsapScheduler

We use the `asap` scheduler because updates to `activeItemIndex` are triggered by DOM changes,
which, in turn, are caused by the rendering that happened due to a ChangeDetection.

Without asap, we would be updating the model while still in a ChangeDetection handler,
which is disallowed by Angular.

* refactor(aio): do not instantiate floating ToC if not displayed

* feat(aio): display the h1 at the top of the floating TOC

Closes #16900

* refactor(aio): combine the TOC booleans flags into a "type" state

* refactor(aio): remove unnecessary `hostElement` property

* fix(aio): ensure that transition works on TOC

* fix(aio): use strict equality in ToC template
2017-05-24 14:09:55 -06:00
2017-03-17 15:31:22 -05:00
2017-01-27 15:03:11 -06:00

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