Opening multiple dialog at once

[VagrantAI-c]

Bug, feature request, or proposal:

Feature request

What is the expected behavior?

I have urls that are connected to different pages, that are opened in dialog. For example, i have link /content/43/gallery which should open two dialog at once on app init, one for /content/43 and one for /gallery. It would be great if such MdDialogConfig could be added to prevent dialog from not opening, if another dialog is still initiating

What is the current behavior?

Currently, due to #5769 its impossible to perform such behavior, without implementing queue mechanism as a workaround and blocking all dialogs from closing until last dialog is opened

What are the steps to reproduce?

What is the use-case or motivation for changing an existing behavior?

I have overlay widget app, that implements multilevel dialog system, and such behavior is damaging the app logic

Which versions of Angular, Material, OS, TypeScript, browsers are affected?

2.0.0-beta.10

Is there anything else we should know?

[crisbeto]

I'm not sure how it would work through the MdDialogConfig since one dialog could specify that it should prevent other dialogs, whereas another one wouldn't. Thoughts @jelbourn?

[jelbourn]

What if we added a method to dialog like openWhenReady? I agree that the current behavior feels not-quite-right

[crisbeto]

That feels a little clunky. I'll see if I can figure out a way to queue up the dialog animations.

[crisbeto]

Closing since we don't have the limitation of opening one dialog at a time anymore.

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