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/*
* Copyright (C) 2017 ~ 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 dbusnotify
import (
"errors"
"fmt"
"reflect"
"runtime"
"sync"
"github.com/godbus/dbus"
)
/*prevent compile error*/
var _ = fmt.Println
var _ = runtime.SetFinalizer
var _ = sync.NewCond
var _ = reflect.TypeOf
type Notifier struct {
Path dbus.ObjectPath
DestName string
core dbus.BusObject
signals map[chan *dbus.Signal]struct{}
signalsLocker sync.Mutex
}
func (obj *Notifier) _createSignalChan() chan *dbus.Signal {
obj.signalsLocker.Lock()
ch := make(chan *dbus.Signal, 10)
getBus().Signal(ch)
obj.signals[ch] = struct{}{}
obj.signalsLocker.Unlock()
return ch
}
func (obj *Notifier) _deleteSignalChan(ch chan *dbus.Signal) {
obj.signalsLocker.Lock()
delete(obj.signals, ch)
getBus().RemoveSignal(ch)
obj.signalsLocker.Unlock()
}
func DestroyNotifier(obj *Notifier) {
obj.signalsLocker.Lock()
defer obj.signalsLocker.Unlock()
if obj.signals == nil {
return
}
for ch := range obj.signals {
getBus().RemoveSignal(ch)
}
obj.signals = nil
runtime.SetFinalizer(obj, nil)
_ = dbusRemoveMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.DBus.Properties',sender='" + obj.DestName + "',member='PropertiesChanged'")
_ = dbusRemoveMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.Notifications',sender='" + obj.DestName + "',member='PropertiesChanged'")
_ = dbusRemoveMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.Notifications',sender='" + obj.DestName + "',member='NotificationClosed'")
_ = dbusRemoveMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.Notifications',sender='" + obj.DestName + "',member='ActionInvoked'")
}
func (obj *Notifier) CloseNotification(id uint32) (_err error) {
_err = obj.core.Call("org.freedesktop.Notifications.CloseNotification", 0, id).Store()
if _err != nil {
fmt.Println(_err)
}
return
}
func (obj *Notifier) GetCapabilities() (caps []string, _err error) {
_err = obj.core.Call("org.freedesktop.Notifications.GetCapabilities", 0).Store(&caps)
if _err != nil {
fmt.Println(_err)
}
return
}
func (obj *Notifier) GetServerInformation() (name string, vendor string, version string, spec_version string, _err error) {
_err = obj.core.Call("org.freedesktop.Notifications.GetServerInformation", 0).Store(&name, &vendor, &version, &spec_version)
if _err != nil {
fmt.Println(_err)
}
return
}
func (obj *Notifier) Notify(app_name string, id uint32, icon string, summary string, body string, actions []string, hints map[string]dbus.Variant, timeout int32) (id_ uint32, _err error) {
_err = obj.core.Call("org.freedesktop.Notifications.Notify", 0, app_name, id, icon, summary, body, actions, hints, timeout).Store(&id_)
if _err != nil {
fmt.Println(_err)
}
return
}
func (obj *Notifier) ConnectNotificationClosed(callback func(id uint32, reason uint32)) func() {
sigChan := obj._createSignalChan()
go func() {
for v := range sigChan {
if v.Path != obj.Path || v.Name != "org.freedesktop.Notifications.NotificationClosed" || 2 != len(v.Body) {
continue
}
if reflect.TypeOf(v.Body[0]) != reflect.TypeOf((*uint32)(nil)).Elem() {
continue
}
if reflect.TypeOf(v.Body[1]) != reflect.TypeOf((*uint32)(nil)).Elem() {
continue
}
callback(v.Body[0].(uint32), v.Body[1].(uint32))
}
}()
return func() {
obj._deleteSignalChan(sigChan)
}
}
func (obj *Notifier) ConnectActionInvoked(callback func(id uint32, action_key string)) func() {
sigChan := obj._createSignalChan()
go func() {
for v := range sigChan {
if v.Path != obj.Path || v.Name != "org.freedesktop.Notifications.ActionInvoked" || 2 != len(v.Body) {
continue
}
if reflect.TypeOf(v.Body[0]) != reflect.TypeOf((*uint32)(nil)).Elem() {
continue
}
if reflect.TypeOf(v.Body[1]) != reflect.TypeOf((*string)(nil)).Elem() {
continue
}
callback(v.Body[0].(uint32), v.Body[1].(string))
}
}()
return func() {
obj._deleteSignalChan(sigChan)
}
}
func NewNotifier(destName string, path dbus.ObjectPath) (*Notifier, error) {
if !path.IsValid() {
return nil, errors.New("The path of '" + string(path) + "' is invalid.")
}
core := getBus().Object(destName, path)
obj := &Notifier{Path: path, DestName: destName, core: core, signals: make(map[chan *dbus.Signal]struct{})}
_ = dbusAddMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.Notifications',sender='" + obj.DestName + "',member='NotificationClosed'")
_ = dbusAddMatch("type='signal',path='" + string(obj.Path) + "',interface='org.freedesktop.Notifications',sender='" + obj.DestName + "',member='ActionInvoked'")
runtime.SetFinalizer(obj, func(_obj *Notifier) { DestroyNotifier(_obj) })
return obj, nil
}
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