lib/system-controller/CicoSCResourceManager.h

   1 /*
   2  * Copyright (c) 2013, TOYOTA MOTOR CORPORATION.
   3  *
   4  * This program is licensed under the terms and conditions of the
   5  * Apache License, version 2.0.  The full text of the Apache License is at
   6  * http://www.apache.org/licenses/LICENSE-2.0
   7  *
   8  */
   9
  10 //==========================================================================
  11 /**
  12  *  @file   CicoSCResourceManager.h
  13  *
  14  *  @brief  This file is definition of CicoSCResourceManager class
  15  */
  16 //==========================================================================
  17 #ifndef __CICO_SC_RESOURCE_MANAGER_H__
  18 #define __CICO_SC_RESOURCE_MANAGER_H__
  19
  20 #include <list>
  21 #include <vector>
  22 #include <map>
  23 using namespace std;
  24
  25 #include "ico_syc_mrp_resource_private.h"
  26
  27 //==========================================================================
  28 //  Forward declaration
  29 //==========================================================================
  30 class CicoSCCommand;
  31 class CicoSCPolicyManager;
  32 class CicoSCWindowController;
  33 class CicoSCInputController;
  34
  35 //==========================================================================
  36 /*
  37  *  @brief  This class manages resources
  38  */
  39 //==========================================================================
  40 class CicoSCResourceManager
  41 {
  42 public:
  43     // default constructor
  44     CicoSCResourceManager();
  45
  46     // destructor
  47     ~CicoSCResourceManager();
  48
  49     // initialize resource manager
  50     int initialize(void);
  51
  52     // terminate resource manager
  53     void terminate(void);
  54
  55     // handling command
  56     void handleCommand(const CicoSCCommand &cmd, bool internal=false);
  57
  58     // set CicoSCWindowController instance
  59     void setWindowController(CicoSCWindowController *winCtrl);
  60
  61     // set CicoSCInputController instance
  62     void setInputController(CicoSCInputController *inputCtrl);
  63
  64     // receive changed state
  65     void receiveChangedState(int state);
  66
  67 private:
  68     // assignment operator
  69     CicoSCResourceManager& operator=(const CicoSCResourceManager &object);
  70
  71     // copy constructor
  72     CicoSCResourceManager(const CicoSCResourceManager &object);
  73
  74     bool acquireDisplayResource(resource_request_t *newreq,
  75                                 bool control = true);
  76     void releaseDisplayResource(resource_request_t *newreq);
  77
  78     bool acquireSoundResource(resource_request_t *newreq);
  79     void releaseSoundResource(resource_request_t *newreq);
  80
  81     bool acquireInputResource(resource_request_t *newreq);
  82     void releaseInputResource(resource_request_t *newreq);
  83
  84     resource_request_t* newResourceRequest(int resid,
  85                                            int reqtype,
  86                                            const CicoSCCommand &cmd);
  87
  88     void delResourceRequest(resource_request_t *req);
  89
  90     static void enforceSound(unsigned short state,
  91                              resource_request_t *req,
  92                              void *user_data);
  93
  94     resource_request_t * popDispResReq(resource_request_t *req);
  95
  96     resource_request_t * popSoundResReq(resource_request_t *req);
  97
  98     resource_request_t * popInputResReq(resource_request_t *req);
  99
 100     void updateDisplayResource(resource_request_t *req, int chgzoneid=-1);
 101     void updateSoundResource(resource_request_t *req);
 102     void updateInputResource(resource_request_t *req);
 103
 104     void updateDisplayResourceRegulation(int state);
 105     void updateSoundResourceRegulation(int state);
 106     void updateInputResourceRegulation(int state);
 107
 108     resource_request_t * findCurDispResOwerReq(resource_request_t *req);
 109     resource_request_t * popCurDispResOwerReq(resource_request_t *req);
 110     void dumpCurDispResOwerReq(void);
 111
 112     resource_request_t * findWaitingDispResReq(resource_request_t *req);
 113     resource_request_t * popWaitingDispResReq(resource_request_t *req);
 114     void dumpWaitingDispResReq(void);
 115
 116 private:
 117     CicoSCPolicyManager       *m_policyMgr;
 118     CicoSCWindowController    *m_winCtrl;
 119     CicoSCInputController     *m_inputCtrl;
 120
 121     // pair zoneid and request
 122     std::map<unsigned int, resource_request_t*> m_curDispResOwerReq;
 123     std::map<int, resource_request_t*> m_curSoundResReq;
 124     std::map<int, resource_request_t*> m_curInputResReq;
 125
 126     std::list<resource_request_t*> m_waitingDispResReq;
 127     map<int, list<resource_request_t*> > m_soundReqQueue;
 128     map<int, list<resource_request_t*> > m_inputReqQueue;
 129 };
 130 #endif  // __CICO_SC_RESOURCE_MANAGER_H__
 131 // vim:set expandtab ts=4 sw=4: