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/*
* Copyright (C) 2014 ~ 2018 Deepin Technology Co., Ltd.
*
* Author: jouyouyun <jouyouwen717@gmail.com>
*
* 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 3 of the License, or
* 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, see <http://www.gnu.org/licenses/>.
*/
package pulse
import "unsafe"
import "sync"
/*
#include "dde-pulse.h"
#cgo pkg-config: libpulse
*/
import "C"
type paInfo struct {
data interface{}
Type int
}
func NewPaInfo(data unsafe.Pointer, Type int) *paInfo {
if data == nil {
return nil
}
info := &paInfo{Type: Type}
switch Type {
case C.PA_SUBSCRIPTION_EVENT_SINK:
info.data = toSinkInfo((*C.pa_sink_info)(data))
case C.PA_SUBSCRIPTION_EVENT_SINK_INPUT:
info.data = toSinkInputInfo((*C.pa_sink_input_info)(data))
case C.PA_SUBSCRIPTION_EVENT_SOURCE:
info.data = toSourceInfo((*C.pa_source_info)(data))
case C.PA_SUBSCRIPTION_EVENT_SOURCE_OUTPUT:
info.data = toSourceOutputInfo((*C.pa_source_output_info)(data))
case C.PA_SUBSCRIPTION_EVENT_SERVER:
info.data = toServerInfo((*C.pa_server_info)(data))
case C.PA_SUBSCRIPTION_EVENT_CARD:
info.data = toCardInfo((*C.pa_card_info)(data))
default:
// current didn't support this type
return nil
}
return info
}
type cookie struct {
id int64
data chan *paInfo
}
func (c *cookie) Reply() *paInfo {
defer deleteCookie(c.id)
return <-c.data
}
func (c *cookie) ReplyList() []*paInfo {
defer deleteCookie(c.id)
var infos []*paInfo
for info := range c.data {
infos = append(infos, info)
}
return infos
}
func (c *cookie) Feed(paInfo *paInfo) {
if paInfo == nil {
return
}
c.data <- paInfo
}
func (c *cookie) EndOfList() {
close(c.data)
deleteCookie(c.id)
}
func (c *cookie) Failed() {
close(c.data)
deleteCookie(c.id)
}
var newCookie, fetchCookie, deleteCookie = func() (func() *cookie,
func(int64) *cookie,
func(int64)) {
cookies := make(map[int64]*cookie)
id := int64(0)
var locker sync.Mutex
return func() *cookie {
locker.Lock()
id++
c := &cookie{int64(id), make(chan *paInfo)}
cookies[c.id] = c
locker.Unlock()
return c
}, func(i int64) *cookie {
locker.Lock()
c := cookies[i]
locker.Unlock()
return c
}, func(i int64) {
locker.Lock()
delete(cookies, i)
locker.Unlock()
}
}()
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