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pkg
wireplumber
Commits
653fea82
Commit
653fea82
authored
4 years ago
by
George Kiagiadakis
Browse files
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m-session-settings: implement storing and loading default endpoint user settings
parent
49c6d00e
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1
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1 changed file
modules/module-session-settings.c
+145
-8
145 additions, 8 deletions
modules/module-session-settings.c
with
145 additions
and
8 deletions
modules/module-session-settings.c
+
145
−
8
View file @
653fea82
...
...
@@ -6,12 +6,23 @@
* SPDX-License-Identifier: MIT
*/
/*
* This module selects "default" source & sink endpoints for each session
* and when the user modifies them, it stores the user preference in text
* files in $XDG_CONFIG_DIR, similarly to pulseaudio
*/
#include
<wp/wp.h>
#include
<errno.h>
G_DEFINE_QUARK
(
wp
-
session
-
settings
-
sink
-
file
,
session_settings_sink_file
)
G_DEFINE_QUARK
(
wp
-
session
-
settings
-
source
-
file
,
session_settings_source_file
)
struct
_WpSessionSettings
{
WpPlugin
parent
;
WpObjectManager
*
sessions_om
;
gchar
*
config_dir
;
};
G_DECLARE_FINAL_TYPE
(
WpSessionSettings
,
wp_session_settings
,
...
...
@@ -21,6 +32,63 @@ G_DEFINE_TYPE (WpSessionSettings, wp_session_settings, WP_TYPE_PLUGIN)
static
void
wp_session_settings_init
(
WpSessionSettings
*
self
)
{
self
->
config_dir
=
g_build_filename
(
g_get_user_config_dir
(),
"wireplumber"
,
NULL
);
if
(
g_mkdir_with_parents
(
self
->
config_dir
,
0755
)
<
0
)
{
wp_warning_object
(
self
,
"failed to create '%s': %s"
,
self
->
config_dir
,
strerror
(
errno
));
}
}
static
void
wp_session_settings_finalize
(
GObject
*
object
)
{
WpSessionSettings
*
self
=
WP_SESSION_SETTINGS
(
object
);
g_free
(
self
->
config_dir
);
G_OBJECT_CLASS
(
wp_session_settings_parent_class
)
->
finalize
(
object
);
}
static
void
on_default_endpoint_changed
(
WpSession
*
session
,
const
gchar
*
type
,
guint32
id
,
WpSessionSettings
*
self
)
{
GFile
*
file
=
NULL
;
g_autoptr
(
GFileOutputStream
)
out_stream
=
NULL
;
g_autoptr
(
GError
)
error
=
NULL
;
g_autoptr
(
WpEndpoint
)
ep
=
NULL
;
wp_debug_object
(
self
,
"%s on "
WP_OBJECT_FORMAT
" changed (%u), storing"
,
type
,
WP_OBJECT_ARGS
(
session
),
id
);
if
(
g_strcmp0
(
type
,
"Wp:defaultSink"
)
==
0
)
file
=
g_object_get_qdata
(
G_OBJECT
(
session
),
session_settings_sink_file_quark
());
else
if
(
g_strcmp0
(
type
,
"Wp:defaultSource"
)
==
0
)
file
=
g_object_get_qdata
(
G_OBJECT
(
session
),
session_settings_source_file_quark
());
g_return_if_fail
(
file
);
ep
=
wp_session_lookup_endpoint
(
session
,
WP_CONSTRAINT_TYPE_G_PROPERTY
,
"bound-id"
,
"=u"
,
id
,
NULL
);
if
(
!
ep
)
{
wp_warning_object
(
self
,
"%s (%u) on "
WP_OBJECT_FORMAT
" not found"
,
type
,
id
,
WP_OBJECT_ARGS
(
session
));
return
;
}
out_stream
=
g_file_replace
(
file
,
NULL
,
FALSE
,
G_FILE_CREATE_NONE
,
NULL
,
&
error
);
if
(
out_stream
)
{
/* write the name plus its terminating null byte */
const
gchar
*
name
=
wp_endpoint_get_name
(
ep
);
if
(
!
g_output_stream_write_all
(
G_OUTPUT_STREAM
(
out_stream
),
name
,
strlen
(
name
)
+
1
,
NULL
,
NULL
,
&
error
))
{
wp_warning_object
(
self
,
"error writing %s: %s"
,
g_file_peek_path
(
file
),
error
->
message
);
}
}
}
static
guint32
...
...
@@ -54,36 +122,102 @@ find_highest_prio (WpSession * session, WpDirection dir)
}
static
void
reevaluate_defaults
(
WpSession
*
session
,
WpDirection
dir
)
reevaluate_defaults
(
WpSessionSettings
*
self
,
WpSession
*
session
,
WpDirection
dir
)
{
guint32
id
=
0
;
GFile
*
file
;
g_autoptr
(
GFileInputStream
)
in_stream
=
NULL
;
g_autoptr
(
GError
)
error
=
NULL
;
gchar
buffer
[
128
];
/* try to read the default endpoint's name from the settings file */
file
=
g_object_get_qdata
(
G_OBJECT
(
session
),
(
dir
==
WP_DIRECTION_INPUT
)
?
session_settings_sink_file_quark
()
:
session_settings_source_file_quark
());
/* TODO
if (settings exist)
id = lookup endpoint in settings
*/
in_stream
=
g_file_read
(
file
,
NULL
,
&
error
);
if
(
in_stream
)
{
gsize
bytes_read
=
0
;
g_autoptr
(
WpEndpoint
)
ep
=
NULL
;
if
(
!
g_input_stream_read_all
(
G_INPUT_STREAM
(
in_stream
),
buffer
,
sizeof
(
buffer
),
&
bytes_read
,
NULL
,
&
error
))
{
wp_warning_object
(
self
,
"error reading %s: %s"
,
g_file_peek_path
(
file
),
error
->
message
);
}
else
{
/* the file should have a null byte, but let's not trust it */
buffer
[
MIN
(
bytes_read
,
sizeof
(
buffer
)
-
1
)]
=
'\0'
;
ep
=
wp_session_lookup_endpoint
(
session
,
WP_CONSTRAINT_TYPE_PW_PROPERTY
,
"endpoint.name"
,
"=s"
,
buffer
,
WP_CONSTRAINT_TYPE_PW_PROPERTY
,
"media.class"
,
"#s"
,
(
dir
==
WP_DIRECTION_INPUT
)
?
"*/Sink"
:
"*/Source"
,
NULL
);
if
(
ep
)
id
=
wp_proxy_get_bound_id
(
WP_PROXY
(
ep
));
}
}
else
if
(
error
)
{
/* this is an expected condition if no settings are stored; just debug */
wp_debug_object
(
self
,
"file read error (%s): %s"
,
g_file_peek_path
(
file
),
error
->
message
);
}
/* if not found by settings, find the highest priority one */
if
(
id
==
0
)
id
=
find_highest_prio
(
session
,
dir
);
wp_debug_object
(
self
,
"selecting default %s for "
WP_OBJECT_FORMAT
": %u"
,
(
dir
==
WP_DIRECTION_INPUT
)
?
"sink"
:
"source"
,
WP_OBJECT_ARGS
(
session
),
id
);
/* block the signal to avoid storing this on the file;
only selections done by the user should be stored */
g_signal_handlers_block_by_func
(
session
,
on_default_endpoint_changed
,
self
);
wp_session_set_default_endpoint
(
session
,
(
dir
==
WP_DIRECTION_INPUT
)
?
"Wp:defaultSink"
:
"Wp:defaultSource"
,
id
);
g_signal_handlers_unblock_by_func
(
session
,
on_default_endpoint_changed
,
self
);
}
static
void
on_endpoints_changed
(
WpSession
*
session
,
WpSessionSettings
*
self
)
{
reevaluate_defaults
(
session
,
WP_DIRECTION_INPUT
);
reevaluate_defaults
(
session
,
WP_DIRECTION_OUTPUT
);
wp_trace_object
(
session
,
"endpoints changed, re-evaluating defaults"
);
reevaluate_defaults
(
self
,
session
,
WP_DIRECTION_INPUT
);
reevaluate_defaults
(
self
,
session
,
WP_DIRECTION_OUTPUT
);
}
static
void
on_session_added
(
WpObjectManager
*
om
,
WpSession
*
session
,
WpSessionSettings
*
self
)
{
on_endpoints_changed
(
session
,
self
);
GFile
*
sink_file
;
GFile
*
source_file
;
gchar
*
filename
;
filename
=
g_strdup_printf
(
"%s%c%s-default-sink"
,
self
->
config_dir
,
G_DIR_SEPARATOR
,
wp_session_get_name
(
session
));
sink_file
=
g_file_new_for_path
(
filename
);
g_free
(
filename
);
filename
=
g_strdup_printf
(
"%s%c%s-default-source"
,
self
->
config_dir
,
G_DIR_SEPARATOR
,
wp_session_get_name
(
session
));
source_file
=
g_file_new_for_path
(
filename
);
g_free
(
filename
);
g_object_set_qdata_full
(
G_OBJECT
(
session
),
session_settings_sink_file_quark
(),
sink_file
,
g_object_unref
);
g_object_set_qdata_full
(
G_OBJECT
(
session
),
session_settings_source_file_quark
(),
source_file
,
g_object_unref
);
g_signal_connect_object
(
session
,
"default-endpoint-changed"
,
G_CALLBACK
(
on_default_endpoint_changed
),
self
,
0
);
g_signal_connect_object
(
session
,
"endpoints-changed"
,
G_CALLBACK
(
on_endpoints_changed
),
self
,
0
);
on_endpoints_changed
(
session
,
self
);
}
static
void
...
...
@@ -116,8 +250,11 @@ wp_session_settings_deactivate (WpPlugin * plugin)
static
void
wp_session_settings_class_init
(
WpSessionSettingsClass
*
klass
)
{
GObjectClass
*
object_class
=
(
GObjectClass
*
)
klass
;
WpPluginClass
*
plugin_class
=
(
WpPluginClass
*
)
klass
;
object_class
->
finalize
=
wp_session_settings_finalize
;
plugin_class
->
activate
=
wp_session_settings_activate
;
plugin_class
->
deactivate
=
wp_session_settings_deactivate
;
}
...
...
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