homescreen/src/paclient.h

   1 /*
   2  * Copyright (C) 2016,2017 Konsulko Group
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *      http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16
  17 #include <pulse/pulseaudio.h>
  18
  19 #include <QtCore/QHash>
  20 #include <QtCore/QObject>
  21
  22 class PaClient : public QObject
  23 {
  24         Q_OBJECT
  25         public:
  26                 PaClient();
  27                 ~PaClient();
  28
  29                 void init();
  30                 void close();
  31
  32                 inline pa_context *context() const
  33                 {
  34                         return m_ctx;
  35                 }
  36
  37                 inline void lock()
  38                 {
  39                         pa_threaded_mainloop_lock(m_ml);
  40                 }
  41
  42                 inline void unlock()
  43                 {
  44                         pa_threaded_mainloop_unlock(m_ml);
  45                 }
  46
  47                 pa_sink_info * getDefaultSinkInfo(void);
  48                 void setDefaultSinkInfo(const pa_sink_info *i);
  49                 void setMasterVolume(const pa_cvolume *);
  50
  51         public slots:
  52                 void incDecVolume(const int volume_delta);
  53
  54         signals:
  55                 void volumeExternallyChanged(int volume);
  56
  57         private:
  58                 bool m_init;
  59                 pa_threaded_mainloop *m_ml;
  60                 pa_mainloop_api *m_mlapi;
  61                 pa_context *m_ctx;
  62                 pa_cvolume m_master_cvolume;
  63                 pa_sink_info m_default_sink_info;
  64 };