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wrap_property.go
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wrap_property.go
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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 property
import "reflect"
import "pkg.deepin.io/lib/dbus"
type BaseObserver struct {
cbs []func()
}
func (o *BaseObserver) ConnectChanged(cb func()) {
o.cbs = append(o.cbs, cb)
}
func (o *BaseObserver) Reset() {
o.cbs = nil
}
func (o *BaseObserver) Notify() {
for _, c := range o.cbs {
c()
}
}
type WrapProperty struct {
BaseObserver
obj dbus.DBusObject
name string
core dbus.Property
}
func NewWrapProperty(obj dbus.DBusObject, propName string, core dbus.Property) *WrapProperty {
p := &WrapProperty{BaseObserver{}, obj, propName, core}
p.core = core
core.ConnectChanged(func() {
dbus.NotifyChange(p.obj, p.name)
})
return p
}
func (p WrapProperty) SetValue(v interface{}) {
p.core.SetValue(v)
dbus.NotifyChange(p.obj, p.name)
p.Notify()
}
func (p WrapProperty) GetValue() interface{} {
return p.core.GetValue()
}
func (p WrapProperty) GetType() reflect.Type {
return p.core.GetType()
}