cec: added some guards

[deb_libcec.git] / src / lib / devices / CECBusDevice.cpp

diff --git a/src/lib/devices/CECBusDevice.cpp b/src/lib/devices/CECBusDevice.cpp
index 5c73eb861db9fa64a82e8ce1ea1466283fbbba60..dc9e62076b028bc964108d7085d6bce03a53b3b5 100644 (file)
--- a/src/lib/devices/CECBusDevice.cpp
+++ b/src/lib/devices/CECBusDevice.cpp
@@ -42,6 +42,7 @@ using namespace CEC;
 CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogicalAddress, uint16_t iPhysicalAddress) :
   m_iPhysicalAddress(iPhysicalAddress),
   m_iLogicalAddress(iLogicalAddress),
+  m_powerStatus(CEC_POWER_STATUS_UNKNOWN),
   m_processor(processor),
   m_iVendorId(0),
   m_iVendorClass(CEC_VENDOR_UNKNOWN),
@@ -49,6 +50,10 @@ CCECBusDevice::CCECBusDevice(CCECProcessor *processor, cec_logical_address iLogi
   m_cecVersion(CEC_VERSION_UNKNOWN)
 {
   m_handler = new CCECCommandHandler(this);
+  for (unsigned int iPtr = 0; iPtr < 4; iPtr++)
+    m_menuLanguage.language[iPtr] = '?';
+  m_menuLanguage.language[3] = 0;
+  m_menuLanguage.device = iLogicalAddress;
 }
 
 CCECBusDevice::~CCECBusDevice(void)
@@ -72,7 +77,18 @@ void CCECBusDevice::AddLog(cec_log_level level, const CStdString &strMessage)
   m_processor->AddLog(level, strMessage);
 }
 
-void CCECBusDevice::SetCecVersion(cec_version newVersion)
+void CCECBusDevice::SetMenuLanguage(const cec_menu_language &language)
+{
+  if (language.device == m_iLogicalAddress)
+  {
+    CStdString strLog;
+    strLog.Format("device %d menu language set to '%s'", m_iLogicalAddress, language.language);
+    m_processor->AddLog(CEC_LOG_DEBUG, strLog);
+    m_menuLanguage = language;
+  }
+}
+
+void CCECBusDevice::SetCecVersion(const cec_version newVersion)
 {
   CStdString strLog;
   m_cecVersion = newVersion;
@@ -99,6 +115,14 @@ void CCECBusDevice::SetCecVersion(cec_version newVersion)
   AddLog(CEC_LOG_DEBUG, strLog);
 }
 
+void CCECBusDevice::SetPowerStatus(const cec_power_status powerStatus)
+{
+  CStdString strLog;
+  strLog.Format("device %d power status changed from %2x to %2x", m_iLogicalAddress, m_powerStatus, powerStatus);
+  m_processor->AddLog(CEC_LOG_DEBUG, strLog);
+  m_powerStatus = powerStatus;
+}
+
 void CCECBusDevice::SetVendorId(const cec_datapacket &data)
 {
   if (data.size < 3)
@@ -158,6 +182,22 @@ bool CCECBusDevice::HandleCommand(const cec_command &command)
   return true;
 }
 
+uint64_t CCECBusDevice::GetVendorId(void)
+{
+  if (m_iVendorId == CEC_VENDOR_UNKNOWN)
+  {
+    AddLog(CEC_LOG_NOTICE, "<< requesting vendor ID");
+    cec_command command;
+    cec_command::format(command, GetMyLogicalAddress(), GetLogicalAddress(), CEC_OPCODE_GIVE_DEVICE_VENDOR_ID);
+    CLockObject lock(&m_mutex);
+
+    if (m_processor->Transmit(command))
+      m_condition.Wait(&m_mutex, 1000);
+  }
+
+  return m_iVendorId;
+}
+
 void CCECBusDevice::PollVendorId(void)
 {
   CLockObject lock(&m_mutex);
@@ -176,11 +216,14 @@ void CCECBusDevice::PollVendorId(void)
 
 void CCECBusDevice::SetPhysicalAddress(uint16_t iNewAddress, uint16_t iOldAddress /* = 0 */)
 {
-  CStdString strLog;
-  strLog.Format(">> %i changed physical address from %04x to %04x", GetLogicalAddress(), m_iPhysicalAddress, iNewAddress);
-  AddLog(CEC_LOG_DEBUG, strLog.c_str());
+  if (iNewAddress > 0)
+  {
+    CStdString strLog;
+    strLog.Format(">> %i changed physical address from %04x to %04x", GetLogicalAddress(), m_iPhysicalAddress, iNewAddress);
+    AddLog(CEC_LOG_DEBUG, strLog.c_str());
 
-  m_iPhysicalAddress = iNewAddress;
+    m_iPhysicalAddress = iNewAddress;
+  }
 }
 
 bool CCECBusDevice::PowerOn(void)
@@ -358,6 +401,36 @@ cec_version CCECBusDevice::GetCecVersion(void)
   return m_cecVersion;
 }
 
+cec_menu_language &CCECBusDevice::GetMenuLanguage(void)
+{
+  if (!strcmp(m_menuLanguage.language, "???"))
+  {
+    AddLog(CEC_LOG_NOTICE, "<< requesting menu language");
+    cec_command command;
+    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GET_MENU_LANGUAGE);
+    CLockObject lock(&m_mutex);
+    if (m_processor->Transmit(command))
+      m_condition.Wait(&m_mutex, 1000);
+  }
+
+  return m_menuLanguage;
+}
+
+cec_power_status CCECBusDevice::GetPowerStatus(void)
+{
+  if (m_powerStatus == CEC_POWER_STATUS_UNKNOWN)
+  {
+    AddLog(CEC_LOG_NOTICE, "<< requesting power status");
+    cec_command command;
+    cec_command::format(command, GetMyLogicalAddress(), m_iLogicalAddress, CEC_OPCODE_GIVE_DEVICE_POWER_STATUS);
+    CLockObject lock(&m_mutex);
+    if (m_processor->Transmit(command))
+      m_condition.Wait(&m_mutex, 1000);
+  }
+
+  return m_powerStatus;
+}
+
 const char *CCECBusDevice::CECVendorIdToString(const uint64_t iVendorId)
 {
   switch (iVendorId)