1126215 - Browser API: Make it possible to display a statusbar when a link is hovered (href preview)

Status: NEW

(Core :: DOM: Core & HTML, defect)

Description

[Paul Rouget [:paul]]

In Firefox, hovering a link shows a floating status bar. We'd like to be able to reproduce this behavior with the Browser API.

This could be done using anonymousContent.

This could be an attribute on the iframe, or maybe a method.

Comment 1

[Kan-Ru Chen [:kanru] (UTC+9)]

You mean the alt attribute or the title attribute right?

Comment 2

[Paul Rouget [:paul]]

(In reply to Kan-Ru Chen [:kanru] from comment #1)
> You mean the alt attribute or the title attribute right?

No. The href.

Comment 3

[[:fabrice] Fabrice Desré]

The info comes from http://mxr.mozilla.org/mozilla-central/source/dom/ipc/TabParent.cpp#1462

Comment 4

[[:fabrice] Fabrice Desré]

It's actually TabParent::RecvSetStatus().

Comment 5

[Andrea Marchesini [:baku]]

Attachment: graphene.patch

Here a WIP. It covers just OOP.

Comment 6

[Paul Rouget [:paul]]

Andrea, how would I use this from the Browser API? What will it look like?

Comment 7

[Andrea Marchesini [:baku]]

Paul, with this patch the parent app, controlling the mozbrowser iframe, you can do:

iframe.onstatuschanged = function(e) { ... e is a GrapheneStatusEvent:
iframe.onhidetooltip = function(e) { ... e is a GrapheneShowTooltipEvent
iframe.onshowtooltip = function(e) { ... e is a normal event.

a GrapheneStatusEvent is this:

interface GrapheneStatusEvent : Event
{
  readonly attribute GrapheneStatusType type; // "script" or "link"
  readonly attribute DOMString status;
};

and a GrapheneShowTooltipEvent is:

interface GrapheneShowTooltipEvent : Event
{
  readonly attribute unsigned long x;
  readonly attribute unsigned long y;
  readonly attribute DOMString tooltip;
};

Comment 8

[Kevin Grandon :kgrandon]

(In reply to Paul Rouget [:paul] from comment #2)
> (In reply to Kan-Ru Chen [:kanru] from comment #1)
> > You mean the alt attribute or the title attribute right?
> 
> No. The href.

The API in comment 7 looks fairly generic - does this also work, or could it work for element title attributes?

Comment 9

[Brian R. Bondy [:bbondy]]

Comment on attachment 8565486 [details] [diff] [review]
graphene.patch

Review of attachment 8565486 [details] [diff] [review]:
-----------------------------------------------------------------

I think Fabrice is on vacation until the 25th. Forwarding to  Paul as my best guess as to who can provide feedback.

Comment 10

[Brian R. Bondy [:bbondy]]

Comment on attachment 8565486 [details] [diff] [review]
graphene.patch

Review of attachment 8565486 [details] [diff] [review]:
-----------------------------------------------------------------

Trying to switch back to Fabrice since this wasn't looked into yet.

Comment 11

[[:fabrice] Fabrice Desré]

Comment on attachment 8565486 [details] [diff] [review]
graphene.patch

Review of attachment 8565486 [details] [diff] [review]:
-----------------------------------------------------------------

- That should not be graphene-specific. Let's expose that to any consumer of the mozbrowser api.
- We need something that also works in-process.