OSType WBProcessGetFrontProcessSignature(void) {
ProcessSerialNumber psn;
if (noErr == GetFrontProcess(&psn)) {
return WBProcessGetSignature(&psn);
}
return 0;
}
void Overlay::toggleShow() {
if (g.ocIntercept) {
g.ocIntercept->hideGui();
} else {
foreach(OverlayClient *oc, qlClients) {
if (oc->uiPid) {
#if defined(Q_OS_WIN)
HWND hwnd = GetForegroundWindow();
DWORD pid = 0;
GetWindowThreadProcessId(hwnd, &pid);
if (pid != oc->uiPid)
continue;
#elif defined(Q_OS_MAC)
pid_t pid = 0;
ProcessSerialNumber psn;
GetFrontProcess(&psn);
GetProcessPID(&psn, &pid);
if (pid != oc->uiPid)
continue;
#if 0
// Fullscreen only.
if (! CGDisplayIsCaptured(CGMainDisplayID()))
continue;
#endif
#endif
oc->showGui();
return;
}
}
}
}
CFStringRef WBProcessCopyFrontProcessBundleIdentifier(void) {
ProcessSerialNumber psn;
if (noErr == GetFrontProcess(&psn)) {
return WBProcessCopyBundleIdentifier(&psn);
}
return NULL;
}
static AXUIElementRef getFrontMostApp ()
{
pid_t pid;
ProcessSerialNumber psn;
GetFrontProcess(&psn);
GetProcessPID(&psn, &pid);
return AXUIElementCreateApplication(pid);
}
/*
* Like FrontWindow(), but return NULL if we aren't the front process
* (i.e. the front window isn't one of ours).
*/
WindowPtr mac_frontwindow(void)
{
ProcessSerialNumber frontpsn;
ProcessSerialNumber curpsn = { 0, kCurrentProcess };
Boolean result;
GetFrontProcess(&frontpsn);
if (SameProcess(&frontpsn, &curpsn, &result) == noErr && result)
return FrontWindow();
return NULL;
}
pid_t
getFrontmostPID(void)
{
pid_t pid;
ProcessSerialNumber psn;
GetFrontProcess(&psn);
GetProcessPID(&psn, &pid);
return pid;
}
Boolean HelperMacX::isFrontProcess(pid_t pid){
Boolean result;
ProcessSerialNumber pidPSN;
ProcessSerialNumber frontPSN;
OSStatus status = GetProcessForPID(pid, &pidPSN);
if (noErr != status) {
qWarning("HelperMacX::isFrontProcess: GetProcessForPID error for pid %d: %d", pid, (int)status);
return false;
}
GetFrontProcess(&frontPSN);
SameProcess(&pidPSN, &frontPSN, &result);
return result;
}
/** This chunk of code is heavily based off SDL_macosx.m from SDL.
* The CPSEnableForegroundOperation that was here before is private
* and should not be used.
* Replaced by a call to the 10.3+ TransformProcessType.
*/
void osx_foreground_hack(void)
{
#if !defined (CONFIG_MACOSX_FINDER) || !defined (CONFIG_SDL)
ProcessSerialNumber myProc, frProc;
Boolean sameProc;
if (GetFrontProcess(&frProc) == noErr &&
GetCurrentProcess(&myProc) == noErr) {
if (SameProcess(&frProc, &myProc, &sameProc) == noErr && !sameProc) {
TransformProcessType(&myProc,
kProcessTransformToForegroundApplication);
}
SetFrontProcess(&myProc);
}
#endif
}
int is_mplayer_front(void)
{
ProcessSerialNumber myProc, frProc;
Boolean sameProc;
pid_t parentPID;
if (GetFrontProcess(&frProc) == noErr
&& GetCurrentProcess(&myProc) == noErr
&& SameProcess(&frProc, &myProc, &sameProc) == noErr) {
if (sameProc)
return 1;
// If MPlayer is running in slave mode, also check parent process.
if (slave_mode && GetProcessPID(&frProc, &parentPID) == noErr)
return parentPID==getppid();
}
return 0;
}
void MacOSKeyboardOStream::sendString(const std::string& str) {
#if __APPLE__
// Get the process number for the front application.
ProcessSerialNumber psn = { 0, kNoProcess };
GetFrontProcess( &psn );
UniChar s[str.length()];
for (uint32_t i = 0; i < str.length(); i++) {
s[i] = str[i];
}
CGEventRef e = CGEventCreateKeyboardEvent(NULL, 0, true);
CGEventKeyboardSetUnicodeString(e, str.length(), s);
CGEventPostToPSN(&psn, e);
CFRelease(e);
#endif
}
void MacOSKeyboardOStream::sendKeyCode(uint16_t key) {
#if __APPLE__
if (ofGetElapsedTimeMillis() < elapsed_time_ + kGracePeriod) {
return;
}
elapsed_time_ = ofGetElapsedTimeMillis();
// Get the process number for the front application.
ProcessSerialNumber psn = { 0, kNoProcess };
GetFrontProcess( &psn );
CGEventRef key_down = CGEventCreateKeyboardEvent(NULL, key, true);
CGEventRef key_up = CGEventCreateKeyboardEvent(NULL, key, false);
CGEventPostToPSN(&psn, key_down);
CGEventPostToPSN(&psn, key_up);
CFRelease(key_down);
CFRelease(key_up);
#endif
}
void MacOSMouseOStream::doubleClick(pair<uint32_t, uint32_t> mouse, int clickCount) {
#if __APPLE__
CGPoint point = CGPointMake(mouse.first, mouse.second);
CGEventRef theEvent = CGEventCreateMouseEvent(
NULL, kCGEventLeftMouseDown, point, kCGMouseButtonLeft);
ProcessSerialNumber psn = { 0, kNoProcess };
GetFrontProcess( &psn );
CGEventSetIntegerValueField(theEvent, kCGMouseEventClickState, clickCount);
CGEventPostToPSN(&psn, theEvent);
CGEventSetType(theEvent, kCGEventLeftMouseUp);
CGEventPostToPSN(&psn, theEvent);
CGEventSetType(theEvent, kCGEventLeftMouseDown);
CGEventPostToPSN(&psn, theEvent);
CGEventSetType(theEvent, kCGEventLeftMouseUp);
CGEventPostToPSN(&psn, theEvent);
CFRelease(theEvent);
#endif
}
boolean getyesno(char default_answer)
{
extern FILE *logfile;
short alertid,i,large,err;
char dfault[8], ndfault[8];
ProcessSerialNumber psn;
if (batchmode)
return(default_answer == 'y' ? TRUE : FALSE);
if (strlen(Yes_No_Message)<72) large=0;
else large=100;
strcpy(dfault,default_answer == 'y' ? LANG("y") : LANG("n"));
strcpy(ndfault,default_answer == 'n' ? LANG("y") : LANG("n"));
for(i=0;i<strlen(Yes_No_Message);i++)
if (Yes_No_Message[i]<' ' && Yes_No_Message[i]>=0) Yes_No_Message[i]=' '; /* It's a signed char! */
InitCursor();
alertid=(default_answer == 'n' ? 211+large : 212+large);
c2pstr(Yes_No_Message);
ParamText((uchar *)Yes_No_Message,(uchar *)"", \
(uchar *)"",(uchar *)"");
if (AEProcessing) {
if (gHasProcessManager)
GetFrontProcess(&psn);
if(MyInteractWithUser())
return default_answer;
if (gHasProcessManager)
SetFrontProcess(&psn);
}
if (CautionAlert(alertid,nil)==1){
p2cstr((uchar *)Yes_No_Message);
fputs(strcat(Yes_No_Message,dfault),stderr);
fputc('\n',stderr);
fflush(stderr);
return(default_answer == 'y' ? TRUE : FALSE);
}
p2cstr((uchar *)Yes_No_Message);
fputs(strcat(Yes_No_Message,ndfault),stderr);
fputc('\n',stderr);
fflush(stderr);
return(default_answer == 'n' ? TRUE : FALSE);
}
extern pascal Boolean MoreProcIsProcessAtFront(const ProcessSerialNumber *pPSN)
// See comment in header.
{
OSStatus anErr;
ProcessSerialNumber localPSN;
ProcessSerialNumber frontPSN;
Boolean isSame;
if ( pPSN == nil ) {
localPSN.highLongOfPSN = 0;
localPSN.lowLongOfPSN = kCurrentProcess;
} else {
localPSN = *pPSN;
}
anErr = GetFrontProcess(&frontPSN);
if (noErr == anErr) {
anErr = SameProcess(&localPSN, &frontPSN, &isSame);
}
MoreAssertQ(noErr == anErr); // If either of the previous return an error, we want to know why.
return (noErr == anErr) && isSame;
}
void MacOSKeyboardOStream::sendKey(char c) {
#if __APPLE__
if (ofGetElapsedTimeMillis() < elapsed_time_ + kGracePeriod) {
return;
}
elapsed_time_ = ofGetElapsedTimeMillis();
// Get the process number for the front application.
ProcessSerialNumber psn = { 0, kNoProcess };
GetFrontProcess( &psn );
UniChar uni_char = c;
CGEventRef key_down = CGEventCreateKeyboardEvent(NULL, 0, true);
CGEventRef key_up = CGEventCreateKeyboardEvent(NULL, 0, false);
CGEventKeyboardSetUnicodeString(key_down, 1, &uni_char);
CGEventKeyboardSetUnicodeString(key_up, 1, &uni_char);
CGEventPostToPSN(&psn, key_down);
CGEventPostToPSN(&psn, key_up);
CFRelease(key_down);
CFRelease(key_up);
#endif
}
int main(int argc, char **argv)
#endif
{
ll_init_apr();
// Set up llerror logging
{
LLError::initForApplication(".");
LLError::setDefaultLevel(LLError::LEVEL_INFO);
// LLError::setTagLevel("Plugin", LLError::LEVEL_DEBUG);
// LLError::logToFile("slplugin.log");
}
#if LL_WINDOWS
if( strlen( lpCmdLine ) == 0 )
{
LL_ERRS("slplugin") << "usage: " << "SLPlugin" << " launcher_port" << LL_ENDL;
};
U32 port = 0;
if(!LLStringUtil::convertToU32(lpCmdLine, port))
{
LL_ERRS("slplugin") << "port number must be numeric" << LL_ENDL;
};
// Insert our exception handler into the system so this plugin doesn't
// display a crash message if something bad happens. The host app will
// see the missing heartbeat and log appropriately.
initExceptionHandler();
#elif LL_DARWIN || LL_LINUX
if(argc < 2)
{
LL_ERRS("slplugin") << "usage: " << argv[0] << " launcher_port" << LL_ENDL;
}
U32 port = 0;
if(!LLStringUtil::convertToU32(argv[1], port))
{
LL_ERRS("slplugin") << "port number must be numeric" << LL_ENDL;
}
// Catch signals that most kinds of crashes will generate, and exit cleanly so the system crash dialog isn't shown.
signal(SIGILL, &crash_handler); // illegal instruction
# if LL_DARWIN
signal(SIGEMT, &crash_handler); // emulate instruction executed
# endif // LL_DARWIN
signal(SIGFPE, &crash_handler); // floating-point exception
signal(SIGBUS, &crash_handler); // bus error
signal(SIGSEGV, &crash_handler); // segmentation violation
signal(SIGSYS, &crash_handler); // non-existent system call invoked
#endif
#if LL_DARWIN
setupCocoa();
createAutoReleasePool();
#endif
LLPluginProcessChild *plugin = new LLPluginProcessChild();
plugin->init(port);
#if LL_DARWIN
deleteAutoReleasePool();
#endif
LLTimer timer;
timer.start();
#if LL_WINDOWS
checkExceptionHandler();
#endif
#if LL_DARWIN
// If the plugin opens a new window (such as the Flash plugin's fullscreen player), we may need to bring this plugin process to the foreground.
// Use this to track the current frontmost window and bring this process to the front if it changes.
WindowRef front_window = NULL;
WindowGroupRef layer_group = NULL;
int window_hack_state = 0;
CreateWindowGroup(kWindowGroupAttrFixedLevel, &layer_group);
if(layer_group)
{
// Start out with a window layer that's way out in front (fixes the problem with the menubar not getting hidden on first switch to fullscreen youtube)
SetWindowGroupName(layer_group, CFSTR("SLPlugin Layer"));
SetWindowGroupLevel(layer_group, kCGOverlayWindowLevel);
}
#endif
#if LL_DARWIN
EventTargetRef event_target = GetEventDispatcherTarget();
#endif
while(!plugin->isDone())
{
#if LL_DARWIN
createAutoReleasePool();
#endif
timer.reset();
plugin->idle();
#if LL_DARWIN
{
// Some plugins (webkit at least) will want an event loop. This qualifies.
EventRef event;
if(ReceiveNextEvent(0, 0, kEventDurationNoWait, true, &event) == noErr)
{
SendEventToEventTarget (event, event_target);
ReleaseEvent(event);
}
// Check for a change in this process's frontmost window.
if(FrontWindow() != front_window)
{
ProcessSerialNumber self = { 0, kCurrentProcess };
ProcessSerialNumber parent = { 0, kNoProcess };
ProcessSerialNumber front = { 0, kNoProcess };
Boolean this_is_front_process = false;
Boolean parent_is_front_process = false;
{
// Get this process's parent
ProcessInfoRec info;
info.processInfoLength = sizeof(ProcessInfoRec);
info.processName = NULL;
info.processAppSpec = NULL;
if(GetProcessInformation( &self, &info ) == noErr)
{
parent = info.processLauncher;
}
// and figure out whether this process or its parent are currently frontmost
if(GetFrontProcess(&front) == noErr)
{
(void) SameProcess(&self, &front, &this_is_front_process);
(void) SameProcess(&parent, &front, &parent_is_front_process);
}
}
if((FrontWindow() != NULL) && (front_window == NULL))
{
// Opening the first window
if(window_hack_state == 0)
{
// Next time through the event loop, lower the window group layer
window_hack_state = 1;
}
if(layer_group)
{
SetWindowGroup(FrontWindow(), layer_group);
}
if(parent_is_front_process)
{
// Bring this process's windows to the front.
(void) SetFrontProcess( &self );
}
ActivateWindow(FrontWindow(), true);
}
else if((FrontWindow() == NULL) && (front_window != NULL))
{
// Closing the last window
if(this_is_front_process)
{
// Try to bring this process's parent to the front
(void) SetFrontProcess(&parent);
}
}
else if(window_hack_state == 1)
{
if(layer_group)
{
// Set the window group level back to something less extreme
SetWindowGroupLevel(layer_group, kCGNormalWindowLevel);
}
window_hack_state = 2;
}
front_window = FrontWindow();
}
}
#endif
F64 elapsed = timer.getElapsedTimeF64();
F64 remaining = plugin->getSleepTime() - elapsed;
if(remaining <= 0.0f)
{
// We've already used our full allotment.
// LL_INFOS("slplugin") << "elapsed = " << elapsed * 1000.0f << " ms, remaining = " << remaining * 1000.0f << " ms, not sleeping" << LL_ENDL;
// Still need to service the network...
plugin->pump();
}
else
{
// LL_INFOS("slplugin") << "elapsed = " << elapsed * 1000.0f << " ms, remaining = " << remaining * 1000.0f << " ms, sleeping for " << remaining * 1000.0f << " ms" << LL_ENDL;
// timer.reset();
// This also services the network as needed.
plugin->sleep(remaining);
// LL_INFOS("slplugin") << "slept for "<< timer.getElapsedTimeF64() * 1000.0f << " ms" << LL_ENDL;
}
#if LL_WINDOWS
// More agressive checking of interfering exception handlers.
// Doesn't appear to be required so far - even for plugins
// that do crash with a single call to the intercept
// exception handler such as QuickTime.
//checkExceptionHandler();
#endif
#if LL_DARWIN
deleteAutoReleasePool();
#endif
}
delete plugin;
ll_cleanup_apr();
return 0;
}