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module.go
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module.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 screensaver
import (
"sync"
"pkg.deepin.io/dde/daemon/common/dsync"
"pkg.deepin.io/dde/daemon/loader"
"pkg.deepin.io/lib/log"
)
func init() {
loader.Register(newModule(logger))
}
type Module struct {
sSaver *ScreenSaver
syncConfig *dsync.Config
*loader.ModuleBase
wg sync.WaitGroup
}
func newModule(logger *log.Logger) *Module {
m := new(Module)
m.ModuleBase = loader.NewModuleBase("screensaver", m, logger)
m.wg.Add(1)
return m
}
func (m *Module) WaitEnable() {
m.wg.Wait()
}
func (m *Module) GetDependencies() []string {
return []string{}
}
func (m *Module) Start() error {
defer m.wg.Done()
service := loader.GetService()
has, err := service.NameHasOwner(dbusServiceName)
if err != nil {
return err
}
if has {
logger.Warning("ScreenSaver has been register, exit...")
return nil
}
if m.sSaver != nil {
return nil
}
m.sSaver, err = newScreenSaver(service)
if err != nil {
return err
}
err = service.Export(dbusPath, m.sSaver)
if err != nil {
return err
}
err = service.RequestName(dbusServiceName)
if err != nil {
return err
}
m.syncConfig = dsync.NewConfig("screensaver", &syncConfig{}, m.sSaver.sigLoop, dScreenSaverPath, logger)
err = service.Export(dScreenSaverPath, m.syncConfig)
if err != nil {
return err
}
err = service.RequestName(dScreenSaverServiceName)
if err != nil {
return err
}
err = m.syncConfig.Register()
if err != nil {
logger.Warning("failed to register for deepin sync:", err)
}
return nil
}
func (m *Module) Stop() error {
if m.sSaver == nil {
return nil
}
service := loader.GetService()
err := service.ReleaseName(dbusServiceName)
if err != nil {
logger.Warning(err)
}
err = service.StopExport(m.sSaver)
if err != nil {
logger.Warning(err)
}
m.sSaver.destroy()
m.sSaver = nil
err = service.ReleaseName(dScreenSaverServiceName)
if err != nil {
logger.Warning(err)
}
err = service.StopExport(m.syncConfig)
if err != nil {
logger.Warning(err)
}
m.syncConfig.Destroy()
if m.sSaver.xConn != nil {
m.sSaver.xConn.Close()
}
return nil
}