[maemo-developers] Screenshot as loading screen on Maemo 5

[From: Luca Donaggio]

I was thinking that there should be a way to remove the existing screenshot
from a postinst script when upgrading to a new version of the app.
I mean, some way more reliable than `rm /home/user/.cache/launch/<service
name>.pvr`.
This could be useful if the new version has a substantially different UI
than before to not confuse previous users.

Luca Donaggio

2009/10/23 Claudio Saavedra <csaavedra at igalia.com>

> El vie, 23-10-2009 a las 17:25 +0300, Kimmo Hämäläinen escribió:
> > On Fri, 2009-10-23 at 14:46 +0200, ext Claudio Saavedra wrote:
> > > El vie, 23-10-2009 a las 15:37 +0300, Kimmo Hämäläinen escribió:
> > ...
> > > Let's make a deal, you fix it in the desktop and I fix the
> documentation
> > > of the method :)
> >
> > Fixed in hildon-desktop git master now :)
>
> Committing this to hildon master now :)
>
> commit 7a9bcd71fe0399604d2bec10bc024290d8d1a9b9
> Author: Claudio Saavedra <csaavedra at igalia.com>
> Date:   Fri Oct 23 18:02:53 2009 +0300
>
>    Improve the documentation for hildon_gtk_window_take_screenshot()
>
>    Mention the fact that it's a Maemo 5 feature, what's the purpose
>    of the screenshot, and how to use it.
>
> diff --git a/hildon/hildon-gtk.c b/hildon/hildon-gtk.c
> index f67f830..ee391e4 100644
> --- a/hildon/hildon-gtk.c
> +++ b/hildon/hildon-gtk.c
> @@ -456,8 +456,23 @@ hildon_gtk_window_enable_zoom_keys
> (GtkWindow *window,
>  * @window: a #GtkWindow
>  * @take: %TRUE to take a screenshot, %FALSE to destroy the existing
> one.
>  *
> - * Tells the window manager to take a screenshot of @window, or to
> - * destroy the existing one. @window must be mapped.
> + * Tells the window manager to create a screenshot of @window and save
> + * it, or to destroy the existing one. If @take is %TRUE but the
> + * screenshot is already available, the window manager will not create
> + * it again.
> + *
> + * You should only call this method when @window is already mapped.
> + *
> + * In Maemo 5 this screenshot, if existent, will be used by the window
> + * manager in subsequent launches of the application that created
> + * it. The window manager will remove this screenshot automatically
> + * whenever the theme, locale, or the time changes; also when a backup
> + * is restored. If your application changes its appearance between
> + * runs and you want to force the existent screenshot to be removed,
> + * set @take to %FALSE.
> + *
> + * Since: 2.0
> + *
>  **/
>  void
>  hildon_gtk_window_take_screenshot               (GtkWindow *window,
>
>
>
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