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Make user interfaces setup the default history adapter.
2021-10-18, Gary Kramlich
755e1554051c
Make user interfaces setup the default history adapter.
This helps avoid some issues with the unit tests as well as gives us more
flexibility in the future.
Testing Done:
Ran the unit tests without issue. Ran Pidgin 3 with no existing config directory and verified that `history.db` was created properly.
Reviewed at https://reviews.imfreedom.org/r/1033/
/*
* Themes for libpurple
*
* Pidgin is the legal property of its developers, whose names are too numerous
* to list here. Please refer to the COPYRIGHT file distributed with this
* source distribution.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1301 USA
*/
#include
"internal.h"
#include
"theme-manager.h"
#include
"util.h"
struct
_PurpleThemeManager
{
GObject
parent
;
};
/******************************************************************************
* Globals
*****************************************************************************/
static
GHashTable
*
theme_table
=
NULL
;
/*****************************************************************************
* GObject Stuff
****************************************************************************/
GType
purple_theme_manager_get_type
(
void
)
{
static
GType
type
=
0
;
if
(
type
==
0
)
{
static
const
GTypeInfo
info
=
{
sizeof
(
PurpleThemeManagerClass
),
NULL
,
/* base_init */
NULL
,
/* base_finalize */
NULL
,
/* class_init */
NULL
,
/* class_finalize */
NULL
,
/* class_data */
sizeof
(
PurpleThemeManager
),
0
,
/* n_preallocs */
NULL
,
/* instance_init */
NULL
,
/* Value Table */
};
type
=
g_type_register_static
(
G_TYPE_OBJECT
,
"PurpleThemeManager"
,
&
info
,
0
);
}
return
type
;
}
/******************************************************************************
* Helpers
*****************************************************************************/
/* makes a key of <type> + '/' + <name> */
static
gchar
*
purple_theme_manager_make_key
(
const
gchar
*
name
,
const
gchar
*
type
)
{
g_return_val_if_fail
(
name
&&
*
name
,
NULL
);
g_return_val_if_fail
(
type
&&
*
type
,
NULL
);
return
g_strconcat
(
type
,
"/"
,
name
,
NULL
);
}
/* returns TRUE if theme is of type "user_data" */
static
gboolean
purple_theme_manager_is_theme_type
(
gchar
*
key
,
gpointer
value
,
gchar
*
user_data
)
{
return
g_str_has_prefix
(
key
,
g_strconcat
(
user_data
,
"/"
,
NULL
));
}
static
gboolean
check_if_theme_or_loader
(
gchar
*
key
,
gpointer
value
,
GSList
**
loaders
)
{
if
(
PURPLE_IS_THEME
(
value
))
return
TRUE
;
else
if
(
PURPLE_IS_THEME_LOADER
(
value
))
*
loaders
=
g_slist_prepend
(
*
loaders
,
value
);
return
FALSE
;
}
static
void
purple_theme_manager_function_wrapper
(
gchar
*
key
,
gpointer
value
,
PurpleThemeFunc
user_data
)
{
if
(
PURPLE_IS_THEME
(
value
))
(
*
user_data
)(
value
);
}
static
void
purple_theme_manager_build_dir
(
GSList
*
loaders
,
const
gchar
*
root
)
{
gchar
*
theme_dir
;
const
gchar
*
name
;
GDir
*
rdir
;
GSList
*
tmp
;
PurpleThemeLoader
*
loader
;
rdir
=
g_dir_open
(
root
,
0
,
NULL
);
if
(
!
rdir
)
return
;
while
((
name
=
g_dir_read_name
(
rdir
)))
{
theme_dir
=
g_build_filename
(
root
,
name
,
NULL
);
for
(
tmp
=
loaders
;
tmp
;
tmp
=
g_slist_next
(
tmp
))
{
loader
=
PURPLE_THEME_LOADER
(
tmp
->
data
);
if
(
purple_theme_loader_probe
(
loader
,
theme_dir
))
{
PurpleTheme
*
theme
=
purple_theme_loader_build
(
loader
,
theme_dir
);
if
(
PURPLE_IS_THEME
(
theme
))
purple_theme_manager_add_theme
(
theme
);
}
}
g_free
(
theme_dir
);
}
g_dir_close
(
rdir
);
}
/*****************************************************************************
* Public API functions
*****************************************************************************/
void
purple_theme_manager_init
(
void
)
{
theme_table
=
g_hash_table_new_full
(
g_str_hash
,
g_str_equal
,
g_free
,
g_object_unref
);
}
void
purple_theme_manager_refresh
(
void
)
{
gchar
*
path
;
const
gchar
*
const
*
xdg_dirs
;
gint
i
;
GSList
*
loaders
=
NULL
;
g_hash_table_foreach_remove
(
theme_table
,
(
GHRFunc
)
check_if_theme_or_loader
,
&
loaders
);
/* Add themes from ~/.purple */
G_GNUC_BEGIN_IGNORE_DEPRECATIONS
path
=
g_build_filename
(
purple_user_dir
(),
"themes"
,
NULL
);
G_GNUC_END_IGNORE_DEPRECATIONS
purple_theme_manager_build_dir
(
loaders
,
path
);
g_free
(
path
);
/* look for XDG_DATA_HOME */
/* NOTE: will work on Windows, see g_get_user_data_dir() documentation */
path
=
g_build_filename
(
g_get_user_data_dir
(),
"themes"
,
NULL
);
purple_theme_manager_build_dir
(
loaders
,
path
);
g_free
(
path
);
/* now dig through XDG_DATA_DIRS and add those too */
/* NOTE: will work on Windows, see g_get_system_data_dirs() documentation */
xdg_dirs
=
g_get_system_data_dirs
();
for
(
i
=
0
;
xdg_dirs
[
i
]
!=
NULL
;
i
++
)
{
path
=
g_build_filename
(
xdg_dirs
[
i
],
"themes"
,
NULL
);
purple_theme_manager_build_dir
(
loaders
,
path
);
g_free
(
path
);
}
g_slist_free
(
loaders
);
}
void
purple_theme_manager_uninit
(
void
)
{
g_hash_table_destroy
(
theme_table
);
}
void
purple_theme_manager_register_type
(
PurpleThemeLoader
*
loader
)
{
gchar
*
type
;
g_return_if_fail
(
PURPLE_IS_THEME_LOADER
(
loader
));
type
=
g_strdup
(
purple_theme_loader_get_type_string
(
loader
));
g_return_if_fail
(
type
);
/* if something is already there do nothing */
if
(
!
g_hash_table_lookup
(
theme_table
,
type
))
g_hash_table_insert
(
theme_table
,
type
,
loader
);
}
void
purple_theme_manager_unregister_type
(
PurpleThemeLoader
*
loader
)
{
const
gchar
*
type
;
g_return_if_fail
(
PURPLE_IS_THEME_LOADER
(
loader
));
type
=
purple_theme_loader_get_type_string
(
loader
);
g_return_if_fail
(
type
);
if
(
g_hash_table_lookup
(
theme_table
,
type
)
==
loader
)
{
g_hash_table_remove
(
theme_table
,
type
);
g_hash_table_foreach_remove
(
theme_table
,
(
GHRFunc
)
purple_theme_manager_is_theme_type
,
(
gpointer
)
type
);
}
/* only free if given registered loader */
}
PurpleTheme
*
purple_theme_manager_find_theme
(
const
gchar
*
name
,
const
gchar
*
type
)
{
gchar
*
key
;
PurpleTheme
*
theme
;
key
=
purple_theme_manager_make_key
(
name
,
type
);
g_return_val_if_fail
(
key
,
NULL
);
theme
=
g_hash_table_lookup
(
theme_table
,
key
);
g_free
(
key
);
return
theme
;
}
void
purple_theme_manager_add_theme
(
PurpleTheme
*
theme
)
{
gchar
*
key
;
g_return_if_fail
(
PURPLE_IS_THEME
(
theme
));
key
=
purple_theme_manager_make_key
(
purple_theme_get_name
(
theme
),
purple_theme_get_type_string
(
theme
));
g_return_if_fail
(
key
);
/* if something is already there do nothing */
if
(
g_hash_table_lookup
(
theme_table
,
key
)
==
NULL
)
g_hash_table_insert
(
theme_table
,
key
,
theme
);
}
void
purple_theme_manager_remove_theme
(
PurpleTheme
*
theme
)
{
gchar
*
key
;
g_return_if_fail
(
PURPLE_IS_THEME
(
theme
));
key
=
purple_theme_manager_make_key
(
purple_theme_get_name
(
theme
),
purple_theme_get_type_string
(
theme
));
g_return_if_fail
(
key
);
g_hash_table_remove
(
theme_table
,
key
);
g_free
(
key
);
}
void
purple_theme_manager_for_each_theme
(
PurpleThemeFunc
func
)
{
g_return_if_fail
(
func
);
g_hash_table_foreach
(
theme_table
,
(
GHFunc
)
purple_theme_manager_function_wrapper
,
func
);
}
PurpleTheme
*
purple_theme_manager_load_theme
(
const
gchar
*
theme_dir
,
const
gchar
*
type
)
{
PurpleThemeLoader
*
loader
;
g_return_val_if_fail
(
theme_dir
!=
NULL
&&
type
!=
NULL
,
NULL
);
loader
=
g_hash_table_lookup
(
theme_table
,
type
);
g_return_val_if_fail
(
PURPLE_IS_THEME_LOADER
(
loader
),
NULL
);
return
purple_theme_loader_build
(
loader
,
theme_dir
);
}