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166 lines
5.6 KiB
Plaintext
166 lines
5.6 KiB
Plaintext
D-BUS usage in EDE
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==================
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Introduction
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------------
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This document describes link:http://freedesktop.org/wiki/Software/dbus/[D-BUS] usage in EDE applications.
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It is not meant to describe D-BUS protocol nor how to use it via libdbus nor edelib, but to document and
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explain what programs listen or what data are send via D-BUS protocol.
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Naming convention
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-----------------
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EDE uses 'org.equinoxproject' as main namespace for interfaces and object paths, e.g.
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-----------------------------------------------------------
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org.equinoxproject.Desktop # ede-desktop interface
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/org/equinoxproject/Desktop # ede-desktop object path
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-----------------------------------------------------------
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Rest of the name will be application name with method or signal name. If application name
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is not suitable or could not be represented as D-BUS name (or could be ambiguous), it can be replaced
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with applications functionality ('org.equinoxproject.Desktop' sounds much better than 'org.equinoxproject.Ede_Desktop').
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Sample:
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-----------------------------------------------------------
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org.equinoxproject.Desktop.FooMethod # FooMethod belongs to ede-desktop
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-----------------------------------------------------------
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Interfaces
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----------
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org.equinoxproject.Desktop
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Used by ede-desktop and access object is '/org/eqiunoxproject/Desktop'. Provided signals are:
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DesktopChanged(int32 n, string name)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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[grid="all"]
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`---------`---------`----------------
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Name Type Description
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-------------------------------------
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n int32 Desktop number
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name string Desktop name
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-------------------------------------
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Notify when desktop view was changed.
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'''''
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org.equinoxproject.Emountd
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~~~~~~~~~~~~~~~~~~~~~~~~~~
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Used by emountd and access object is '/org/equinoxproject/Emountd'. Provided
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signals are:
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Mounted(struct device_info)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^
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'device_info' contains the following fields:
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[grid="all"]
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`---------------`---------`-----------------------------------
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Name Type Description
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--------------------------------------------------------------
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id uint32 Device ID for easier tracking
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label string Device label (can be empty)
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mount_point string Device mount point
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device_file string Device file
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drive_type int32 Drive type (see <<X1, Drive types>>)
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cdrom_type int32 CDROM type, valid only if 'drive_type == DRIVE_TYPE_CDROM' (see <<X2, Volume disc types>>)
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read_only bool Is device mounted read-only
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--------------------------------------------------------------
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Notify when storage device was mounted.
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Unmounted(int32 udi)
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^^^^^^^^^^^^^^^^^^^^^
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[grid="all"]
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`---------`---------`----------------
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Name Type Description
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-------------------------------------
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id int32 Device ID for easier tracking
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-------------------------------------
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Notify when storage device was unmounted.
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AudioCDAdded(struct audio_device_info)
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^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
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'audio_device_info' contains the following fields:
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[grid="all"]
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`---------------`---------`-----------------------------------
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Name Type Description
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--------------------------------------------------------------
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id uint32 Device ID for easier tracking
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label string Device label (can be empty)
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device_file string Device file
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--------------------------------------------------------------
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Notify when Audio CD was added.
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AudioCDRemoved(int32 udi)
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^^^^^^^^^^^^^^^^^^^^^^^^^
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[grid="all"]
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`---------`---------`----------------
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Name Type Description
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-------------------------------------
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id int32 Device ID for easier tracking
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-------------------------------------
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Notify when Audio CD was removed.
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Device enumerations directly maps to HAL ones and those values
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are send in 'drive_type' and 'cdrom_type' (device_info struct).
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[[X1]]
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*Drive types:*
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-------------------------------------------------------------
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DRIVE_TYPE_REMOVABLE_DISK = 0x00
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DRIVE_TYPE_DISK = 0x01
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DRIVE_TYPE_CDROM = 0x02
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DRIVE_TYPE_FLOPPY = 0x03
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DRIVE_TYPE_TAPE = 0x04
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DRIVE_TYPE_COMPACT_FLASH = 0x05
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DRIVE_TYPE_MEMORY_STICK = 0x06
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DRIVE_TYPE_SMART_MEDIA = 0x07
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DRIVE_TYPE_SD_MMC = 0x08
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DRIVE_TYPE_CAMERA = 0x09
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DRIVE_TYPE_PORTABLE_AUDIO_PLAYER = 0x0a
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DRIVE_TYPE_ZIP = 0x0b
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DRIVE_TYPE_JAZ = 0x0c
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DRIVE_TYPE_FLASHKEY = 0x0d
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DRIVE_TYPE_MO = 0x0e
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-------------------------------------------------------------
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[[X2]]
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*Volume disc types:*
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-------------------------------------------------------------
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VOLUME_DISC_TYPE_CDROM = 0x00
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VOLUME_DISC_TYPE_CDR = 0x01
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VOLUME_DISC_TYPE_CDRW = 0x02
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VOLUME_DISC_TYPE_DVDROM = 0x03
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VOLUME_DISC_TYPE_DVDRAM = 0x04
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VOLUME_DISC_TYPE_DVDR = 0x05
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VOLUME_DISC_TYPE_DVDRW = 0x06
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VOLUME_DISC_TYPE_DVDPLUSR = 0x07
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VOLUME_DISC_TYPE_DVDPLUSRW = 0x08
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VOLUME_DISC_TYPE_DVDPLUSR_DL = 0x09
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VOLUME_DISC_TYPE_BDROM = 0x0a
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VOLUME_DISC_TYPE_BDR = 0x0b
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VOLUME_DISC_TYPE_BDRE = 0x0c
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VOLUME_DISC_TYPE_HDDVDROM = 0x0d
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VOLUME_DISC_TYPE_HDDVDR = 0x0e
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VOLUME_DISC_TYPE_HDDVDRW = 0x0f
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VOLUME_DISC_TYPE_MO = 0x10
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-------------------------------------------------------------
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org.equinoxproject.Shutdown
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~~~~~~~~~~~~~~~~~~~~~~~~~~~
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A general signal emitted when EDE is starting to shut down
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Shutdown()
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^^^^^^^^^^
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The only member of 'org.equinoxproject.Shutdown' signal.
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