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Sorry for the late reply Igor, I was kinda busy these days. I've tried the
dataengine within a test plasmoid I did, and it works great :)
I can get and query all the channels, volume changes are correctly notified if
an external application modifies the current level,
and works fine with the multimedia keys too.
I couldn't test the Plasma Services yet because I can't invoke them within
javascript; as soon as I get I reply from plasma ml I will try everything.
Now, a little bit tricky part (Aaron, correct me if I'm wrong): if I write the
following code
dataEngine("mixer").connectSource("Mixers", plasmoid)
instead of
dataEngine("mixer").connectSource("Mixers", plasmoid, 500)
I would expect to be notified of volume changes only when a volume change
actually takes place, instead of requesting the dataengine's data every 500ms.
In your current implementation this is not happening, and I'd _really_ like to
see this feature implemented.
- Diego
On March 8, 2011, 8:38 a.m., Igor Poboiko wrote:
>
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> This is an automatically generated e-mail. To reply, visit:
> http://svn.reviewboard.kde.org/r/6587/
> -----------------------------------------------------------
>
> (Updated March 8, 2011, 8:38 a.m.)
>
>
> Review request for Plasma and Diego Casella.
>
>
> Summary
> -------
>
> This patch reworks KMix DBus API and adds a plasma dataengine+service as a
> frontend to information provided by DBus.
> New DBus structure is:
> - /Mixers
> used to get some global information, such as available mixers list and global
> master mixer
> - /Mixers/MIXER_ID
> used to get information about mixer with id=MIXER_ID. It provides such
> information as list of available controls, name of this mixer, id, etc
> - /Mixers/MIXER_ID/CONTROL_ID
> used to get and set information about control. Such information as volume
> level, mute, name of control, etc.
> It also adds a DBus signals which are emitted when new mixer/control appears,
> or volume level changes.
> It also splits all dbus-related code to separate class,
> DBus{KMix,Mixer,Control}Wrapper.
>
> The Plasma Dataengine:
> By default, the only available source is "KMix". It provides information
> global information about KMix: is KMix running, and list of available mixers.
> (its IDs)
> Source for every mixer is called by it's ID (for example,
> "ALSA::HDA_Intel:1"). This source provides such information about current
> Mixer as: it's readable name, is it opened, its balance and list of available
> controls. It also adds basic sources for every control, which provides only
> information about its readable name
> Sources for controls are called by 'MIXER_ID/CONTROL_ID' (for example,
> "ALSA::HDA_Intel:1/Master:0"). If you request this source, it will provide
> such information as its readable name, is it muted and its volume level
> (which are updates automatically, using DBus signals).
> There is a service available for controls sources. It provides such methods
> as setVolume() and setMute().
>
> It doesn't close bug 171287, but it becomes one step closer to its solving :)
>
> And, I'm not very familiar with CMake, but it would be great idea to make
> plasma part optional.
>
>
> This addresses bug 171287.
> https://bugs.kde.org/show_bug.cgi?id=171287
>
>
> Diffs
> -----
>
> /trunk/KDE/kdemultimedia/kmix/CMakeLists.txt 1223808
> /trunk/KDE/kdemultimedia/kmix/apps/kmix.cpp 1223808
> /trunk/KDE/kdemultimedia/kmix/core/mixdevice.h 1223808
> /trunk/KDE/kdemultimedia/kmix/core/mixdevice.cpp 1223808
> /trunk/KDE/kdemultimedia/kmix/core/mixer.h 1223808
> /trunk/KDE/kdemultimedia/kmix/core/mixer.cpp 1223808
> /trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbuscontrolwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixerwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/dbusmixsetwrapper.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.control.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixer.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/dbus/org.kde.kmix.mixset.xml PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/gui/kmixdockwidget.cpp 1223808
> /trunk/KDE/kdemultimedia/kmix/plasma/CMakeLists.txt PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/CMakeLists.txt PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixer.operations PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerengine.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.h PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/mixerservice.cpp PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/plasma/engine/plasma-engine-mixer.desktop
> PRE-CREATION
> /trunk/KDE/kdemultimedia/kmix/tests/CMakeLists.txt 1223808
>
> Diff: http://svn.reviewboard.kde.org/r/6587/diff
>
>
> Testing
> -------
>
> KMix from KDE SC 4.6.0 compiles ok with this patch, and patch applies to
> current trunk.
> Tested on system with one card and with ALSA backend, so I don't know is
> plasma dataengine works correctly with plugging/unplugging mixers (but it
> should).
> All DBus methods/properties works fine, signals are emitted, volume can be
> set using DBus methods.
>
> Plasma dataengine was tested using plasmaengineexplorer.
> All works fine except the one thing. When I request an source for Mixer, it
> also adds soucres for controls. And then when I request source for already
> available Control, it doesn't react anyhow. But when I set "Update every %
> ms", and click "Reqeust", it works fine. If I request a source for control
> BEFORE requesting the source for mixer, all works fine too (without setting
> "Update every % ms"). I don't know is it a plasmaengineexplorer bug, or my.
>
>
> Thanks,
>
> Igor
>
>
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