url
unblank (url u) {
if (is_concat (u) && (u[2]->t == "")) return u[1];
if (is_concat (u)) return u[1] * unblank (u[2]);
if (is_or (u)) return unblank (u[1]) | unblank (u[2]);
return u;
}
OVesaBlank::OVesaBlank()
: blankSem(NULL)
{
try // this is not the first instance of this class in the system
{
blankSem = new OMuxSem("\\SEM32\\OVBlank.SEM", OMuxSem::open, FALSE);
}
catch(OVioException &ex)
{
blankSem = new OMuxSem("\\SEM32\\OVBlank.SEM", OMuxSem::create, FALSE);
}
if (OVesaBlank::currentState != OVesaBlank::on)
unblank();
}
static url
url_get_atom (string s, int type) {
if (type < URL_STANDARD) {
if (s == "~") return url_system (get_env ("HOME"));
if (starts (s, "$")) {
string val= get_env (s (1, N(s)));
if (val == "") return url_none ();
return unblank (url_system (val));
}
}
if (occurs ("*", s)) return url_wildcard (s);
#ifdef WINPATHS
if(N(s)==2 && ends (s, ":")) s->resize(1); // remove the ':' after unit letter
#endif
return as_url (tree (s));
}
status_t BnSurfaceComposer::onTransact(
uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags)
{
switch(code) {
case CREATE_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = createConnection()->asBinder();
reply->writeStrongBinder(b);
} break;
case CREATE_GRAPHIC_BUFFER_ALLOC: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> b = createGraphicBufferAlloc()->asBinder();
reply->writeStrongBinder(b);
} break;
case SET_TRANSACTION_STATE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
size_t count = data.readInt32();
ComposerState s;
Vector<ComposerState> state;
state.setCapacity(count);
for (size_t i=0 ; i<count ; i++) {
s.read(data);
state.add(s);
}
count = data.readInt32();
DisplayState d;
Vector<DisplayState> displays;
displays.setCapacity(count);
for (size_t i=0 ; i<count ; i++) {
d.read(data);
displays.add(d);
}
uint32_t flags = data.readInt32();
setTransactionState(state, displays, flags);
} break;
case BOOT_FINISHED: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
bootFinished();
} break;
case CAPTURE_SCREEN: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> display = data.readStrongBinder();
uint32_t reqWidth = data.readInt32();
uint32_t reqHeight = data.readInt32();
uint32_t minLayerZ = data.readInt32();
uint32_t maxLayerZ = data.readInt32();
sp<IMemoryHeap> heap;
uint32_t w, h;
PixelFormat f;
status_t res = captureScreen(display, &heap, &w, &h, &f,
reqWidth, reqHeight, minLayerZ, maxLayerZ);
reply->writeStrongBinder(heap->asBinder());
reply->writeInt32(w);
reply->writeInt32(h);
reply->writeInt32(f);
reply->writeInt32(res);
} break;
case AUTHENTICATE_SURFACE: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<ISurfaceTexture> surfaceTexture =
interface_cast<ISurfaceTexture>(data.readStrongBinder());
int32_t result = authenticateSurfaceTexture(surfaceTexture) ? 1 : 0;
reply->writeInt32(result);
} break;
case CREATE_DISPLAY_EVENT_CONNECTION: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IDisplayEventConnection> connection(createDisplayEventConnection());
reply->writeStrongBinder(connection->asBinder());
return NO_ERROR;
} break;
case CREATE_DISPLAY: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
String8 displayName = data.readString8();
bool secure = bool(data.readInt32());
sp<IBinder> display(createDisplay(displayName, secure));
reply->writeStrongBinder(display);
return NO_ERROR;
} break;
case GET_BUILT_IN_DISPLAY: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
int32_t id = data.readInt32();
sp<IBinder> display(getBuiltInDisplay(id));
reply->writeStrongBinder(display);
return NO_ERROR;
} break;
case BLANK: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> display = data.readStrongBinder();
blank(display);
} break;
case UNBLANK: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
sp<IBinder> display = data.readStrongBinder();
unblank(display);
} break;
case GET_DISPLAY_INFO: {
CHECK_INTERFACE(ISurfaceComposer, data, reply);
DisplayInfo info;
sp<IBinder> display = data.readStrongBinder();
status_t result = getDisplayInfo(display, &info);
memcpy(reply->writeInplace(sizeof(DisplayInfo)), &info, sizeof(DisplayInfo));
reply->writeInt32(result);
} break;
default:
return BBinder::onTransact(code, data, reply, flags);
}
return NO_ERROR;
}
OVesaBlank::~OVesaBlank()
{
unblank();
delete blankSem;
}
void Nixie_i2c::displayNumber(int number) {
_currentNumber = number;
unblank();
}