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git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3768 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Pfeiffer
2003-06-30 20:37:37 +00:00
parent 979fbdcdbf
commit 6797eb63d7
2 changed files with 121 additions and 0 deletions
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src/servers/print/Printer.cpp
+120
View File
@@ -166,6 +166,8 @@ Printer::Printer(const BDirectory* node, Resource* res)
// Add us to the global list of known printer definitions
sPrinters.AddItem(this);
ResetJobStatus();
}
Printer::~Printer()
@@ -388,6 +390,15 @@ status_t Printer::LoadPrinterAddon(image_id& id)
return rc;
}
// ---------------------------------------------------------------
// AddCurrentPrinter
//
// Add printer name to message.
//
// Parameters:
// msg - message.
// ---------------------------------------------------------------
void Printer::AddCurrentPrinter(BMessage* msg)
{
BString name;
@@ -399,6 +410,15 @@ void Printer::AddCurrentPrinter(BMessage* msg)
}
}
// ---------------------------------------------------------------
// MessageReceived
//
// Handle scripting messages.
//
// Parameters:
// msg - message.
// ---------------------------------------------------------------
void Printer::MessageReceived(BMessage* msg)
{
switch(msg->what) {
@@ -416,11 +436,46 @@ void Printer::MessageReceived(BMessage* msg)
}
}
// ---------------------------------------------------------------
// GetName
//
// Get the name from spool directory.
//
// Parameters:
// name - the name of the printer.
// ---------------------------------------------------------------
void Printer::GetName(BString& name) {
if (B_OK != SpoolDir()->ReadAttrString(PSRV_PRINTER_ATTR_PRT_NAME, &name))
name = "Unknown Printer";
}
// ---------------------------------------------------------------
// ResetJobStatus
//
// Reset status of "processing" jobs to "waiting" at print_server start.
// ---------------------------------------------------------------
void Printer::ResetJobStatus() {
if (fPrinter.Lock()) {
const int32 n = fPrinter.CountJobs();
for (int32 i = 0; i < n; i ++) {
Job* job = fPrinter.JobAt(i);
if (job->Status() == kProcessing) job->SetStatus(kWaiting);
}
fPrinter.Unlock();
}
}
// ---------------------------------------------------------------
// HasCurrentPrinter
//
// Try to read the printer name from job file.
//
// Parameters:
// name - the printer name.
//
// Returns:
// true if successful.
// ---------------------------------------------------------------
bool Printer::HasCurrentPrinter(BString& name) {
BMessage settings;
// read settings from spool file and get printer name
@@ -431,6 +486,17 @@ bool Printer::HasCurrentPrinter(BString& name) {
settings.FindString(PSRV_FIELD_CURRENT_PRINTER, &name) == B_OK;
}
// ---------------------------------------------------------------
// MoveJob
//
// Try to move job to another printer folder.
//
// Parameters:
// name - the printer folder name.
//
// Returns:
// true if successful.
// ---------------------------------------------------------------
bool Printer::MoveJob(const BString& name) {
BPath file(&fJob->EntryRef());
BPath path;
@@ -442,6 +508,20 @@ bool Printer::MoveJob(const BString& name) {
return entry.MoveTo(&dir) == B_OK;
}
// ---------------------------------------------------------------
// FindSpooledJob
//
// Looks if there is a job waiting to be processed and moves
// jobs to the proper printer folder.
//
// Note:
// Our implementation of BPrintJob moves jobs to the
// proper printer folder.
//
//
// Returns:
// true if there is a job present in fJob.
// ---------------------------------------------------------------
bool Printer::FindSpooledJob() {
BString name2;
GetName(name2);
@@ -450,9 +530,11 @@ bool Printer::FindSpooledJob() {
if (fJob) {
BString name;
if (HasCurrentPrinter(name) && name != name2 && MoveJob(name)) {
// job in wrong printer folder moved to apropriate one
fJob->SetStatus(kUnknown, false); // so that fPrinter.GetNextJob skips it
fJob->Release();
} else {
// job found
fJob->SetPrinter(this);
return true;
}
@@ -461,6 +543,18 @@ bool Printer::FindSpooledJob() {
return false;
}
// ---------------------------------------------------------------
// PrintSpooledJob
//
// Loads the printer add-on and calls its take_job function with
// the spool file as argument.
//
// Parameters:
// spoolFile - the spool file.
//
// Returns:
// B_OK if successful.
// ---------------------------------------------------------------
status_t Printer::PrintSpooledJob(BFile* spoolFile)
{
take_job_func_t func;
@@ -491,6 +585,15 @@ status_t Printer::PrintSpooledJob(BFile* spoolFile)
}
// ---------------------------------------------------------------
// PrintThread
//
// Loads the printer add-on and calls its take_job function with
// the spool file as argument.
//
// Parameters:
// job - the spool job.
// ---------------------------------------------------------------
void Printer::PrintThread(Job* job) {
// Wait until resource is available
fResource->Lock();
@@ -514,12 +617,29 @@ void Printer::PrintThread(Job* job) {
be_app_messenger.SendMessage(PSRV_PRINT_SPOOLED_JOB);
}
// ---------------------------------------------------------------
// print_thread
//
// Print thread entry, calls PrintThread with spool job.
//
// Parameters:
// data - spool job.
//
// Returns:
// 0 always.
// ---------------------------------------------------------------
status_t Printer::print_thread(void* data) {
Job* job = static_cast<Job*>(data);
job->GetPrinter()->PrintThread(job);
return 0;
}
// ---------------------------------------------------------------
// StartPrintThread
//
// Sets the status of the current spool job to "processing" and
// starts the print_thread.
// ---------------------------------------------------------------
void Printer::StartPrintThread() {
Acquire();
thread_id tid = spawn_thread(print_thread, "print", B_NORMAL_PRIORITY, (void*)fJob);
src/servers/print/Printer.h
+1
View File
@@ -122,6 +122,7 @@ private:
// Accessor
BDirectory* SpoolDir() { return fPrinter.GetSpoolDir(); }
void ResetJobStatus();
bool HasCurrentPrinter(BString& name);
bool MoveJob(const BString& name);
// Get next spooled job if any