nsIColorPicker is representing colors as strings because the internal
representation will depend on the underlying backend.
The format of the colors taken in input and returned will always follow the
format of the value as described in the HTML
specifications.
Callback called when the color picker requests a color update.
This callback can not be called after done() was called.
When this callback is used, the consumer can assume that the color value has
changed.
| color | The new selected color value following the format specifed on top of this file. |
Callback called when the color picker is dismissed.
When this callback is used, the color might have changed or could stay the
same.
If the color has not changed, the color parameter will be the empty string.
| color | The new selected color value following the format specifed on top of this file or the empty string. |