// Handle window messages for main screensaver windows.
//
LRESULT CBOINCTray::TrayProc(
HWND hWnd, UINT uMsg, WPARAM wParam, LPARAM lParam
) {
switch (uMsg) {
case WM_CREATE:
CreateDataManagementThread();
return 0;
break;
case WM_CLOSE:
DestroyDataManagementThread();
return 0;
break;
}
return DefWindowProc(hWnd, uMsg, wParam, lParam);
}
// Returns new desired Animation Frequency (per second) or 0 for no change
int CScreensaver::getSSMessage(char **theMessage, int* coveredFreq) {
int newFrequency = TEXTLOGOFREQUENCY;
*coveredFreq = 0;
pid_t myPid;
CC_STATE ccstate;
OSStatus err;
if (ScreenIsBlanked) {
setSSMessageText(0); // No text message
*theMessage = m_MessageText;
return NOTEXTLOGOFREQUENCY;
}
CheckDualGPUStatus();
switch (saverState) {
case SaverState_RelaunchCoreClient:
err = initBOINCApp();
break;
case SaverState_LaunchingCoreClient:
if (m_wasAlreadyRunning) {
setSSMessageText(ConnectingCCMsg);
} else {
setSSMessageText(LaunchingCCMsg);
}
myPid = FindProcessPID(NULL, m_CoreClientPID);
if (myPid) {
saverState = SaverState_CoreClientRunning;
if (!rpc->init(NULL)) { // Initialize communications with Core Client
m_bConnected = true;
if (IsDualGPUMacbook) {
ccstate.clear();
ccstate.global_prefs.init_bools();
int result = rpc->get_state(ccstate);
if (!result) {
OKToRunOnBatteries = ccstate.global_prefs.run_on_batteries;
} else {
OKToRunOnBatteries = false;
}
if (OKToRunOnBatteries) {
SetDiscreteGPU(true);
}
}
}
// Set up a separate thread for communicating with Core Client
// and running screensaver graphics
CreateDataManagementThread();
// ToDo: Add a timeout after which we display error message
} else
// Take care of the possible race condition where the Core Client was in the
// process of shutting down just as ScreenSaver started, so initBOINCApp()
// found it already running but now it has shut down.
if (m_wasAlreadyRunning) { // If we launched it, then just wait for it to start
saverState = SaverState_RelaunchCoreClient;
}
break;
case SaverState_CoreClientRunning:
if (IsDualGPUMacbook && RunningOnBattery && !OKToRunOnBatteries) {
setSSMessageText(RunningOnBatteryMsg);
break;
}
// RPC called in DataManagementProc()
setSSMessageText(ConnectingCCMsg);
if (! m_bResetCoreState) {
saverState = SaverState_ConnectedToCoreClient;
}
break;
case SaverState_ConnectedToCoreClient:
if (IsDualGPUMacbook && RunningOnBattery && !OKToRunOnBatteries) {
setSSMessageText(RunningOnBatteryMsg);
break;
}
switch (m_hrError) {
case 0:
setSSMessageText(ConnectedCCMsg);
break; // No status response yet from DataManagementProc
case SCRAPPERR_SCREENSAVERBLANKED:
setSSMessageText(0); // No text message
ScreenIsBlanked = true;
if (IsDualGPUMacbook && (GPUSelectConnect != IO_OBJECT_NULL)) {
IOServiceClose(GPUSelectConnect);
GPUSelectConnect = IO_OBJECT_NULL;
}
break;
#if 0 // Not currently used
case SCRAPPERR_QUITSCREENSAVERREQUESTED:
// setSSMessageText(BOINCExitedSaverMode);
// Wait 1 second to allow ScreenSaver engine to close us down
if (++gQuitCounter > (m_MessageText[0] ? TEXTLOGOFREQUENCY : NOTEXTLOGOFREQUENCY)) {
closeBOINCSaver();
KillScreenSaver(); // Stop the ScreenSaver Engine
}
break;
#endif
case SCRAPPERR_CANTLAUNCHDEFAULTGFXAPP:
setSSMessageText(CantLaunchDefaultGFXAppMsg);
break;
case SCRAPPERR_DEFAULTGFXAPPCANTCONNECT:
setSSMessageText(DefaultGFXAppCantRPCMsg);
break;
case SCRAPPERR_DEFAULTGFXAPPCRASHED:
setSSMessageText(DefaultGFXAppCrashedMsg);
break;
default:
// m_bErrorMode is TRUE if we should display moving logo (no graphics app is running)
// m_bErrorMode is FALSE if a graphics app was launched and has not exit
if (! m_bErrorMode) {
// NOTE: My tests seem to confirm that the top window is always the first
// window returned by NSWindowList under OS 10.5 and the second window
// returned by NSWindowList under OS 10.3.9 and OS 10.4. However, Apple's
// documentation is unclear whether we can depend on this. So I have
// added some safety by doing two things:
// [1] Only use the NSWindowList test when we have started project or default
// graphics.
// [2] Assume that our window is covered 45 seconds after starting project
// graphics even if the NSWindowList test did not indicate that is so.
//
// The -animateOneFrame method in Mac_SaverModuleView.m does the NSWindowList test
// only if we return a non-zero value for coveredFreq.
//
// Tell the calling routine to set the frame rate to NOTEXTLOGOFREQUENCY if
// NSWindowList indicates that science app graphics window has covered our window.
*coveredFreq = NOTEXTLOGOFREQUENCY;
if (m_iGraphicsStartingMsgCounter > 0) {
// Show ScreenSaverAppStartingMsg for GFX_STARTING_MSG_DURATION seconds or until
// NSWindowList indicates that science app graphics window has covered our window
setSSMessageText(ScreenSaverAppStartingMsg);
m_iGraphicsStartingMsgCounter--;
} else {
// Don't waste CPU cycles when the science app is drawing over our window
setSSMessageText(0); // No text message
}
} // End if (! m_bErrorMode)
break; // End default case of switch (m_hrError)
} // end switch (m_hrError)
break; // End case SaverState_ConnectedToCoreClient of switch (saverState)
case SaverState_ControlPanelTestMode:
setSSMessageText(BOINCTestModeMsg);
break;
case SaverState_UnrecoverableError:
setSSMessageText(BOINCUnrecoverableErrorMsg);
break;
case SaverState_CantLaunchCoreClient:
if (IsDualGPUMacbook && RunningOnBattery && !OKToRunOnBatteries) {
setSSMessageText(RunningOnBatteryMsg);
break;
}
setSSMessageText(CantLaunchCCMsg);
// Set up a separate thread for running screensaver graphics
// even if we can't communicate with core client
CreateDataManagementThread();
break;
case SaverState_Idle:
break; // Should never get here; fixes compiler warning
} // end switch (saverState)
if (IsDualGPUMacbook && RunningOnBattery && !OKToRunOnBatteries) {
if ((m_dwBlankScreen) && (time(0) > m_dwBlankTime) && (m_dwBlankTime > 0)) {
setSSMessageText(0); // No text message
ScreenIsBlanked = true;
}
}
if (m_MessageText[0]) {
newFrequency = TEXTLOGOFREQUENCY;
} else {
newFrequency = NOTEXTLOGOFREQUENCY;
}
*theMessage = m_MessageText;
return newFrequency;
}
