346 lines
9.1 KiB
C++
346 lines
9.1 KiB
C++
/* -*- Mode: c++; tab-width: 2; indent-tabs-mode: nil; -*- */
|
|
/*
|
|
* The contents of this file are subject to the Netscape Public
|
|
* License Version 1.1 (the "License"); you may not use this file
|
|
* except in compliance with the License. You may obtain a copy of
|
|
* the License at http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS
|
|
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
|
|
* implied. See the License for the specific language governing
|
|
* rights and limitations under the License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
#include "prmon.h"
|
|
#include "nsCOMPtr.h"
|
|
#include "nsAppShell.h"
|
|
#include "nsIAppShell.h"
|
|
#include "nsIServiceManager.h"
|
|
#include "nsIEventQueueService.h"
|
|
#include "nsICmdLineService.h"
|
|
|
|
#include <stdlib.h>
|
|
|
|
#include "nsIWidget.h"
|
|
#include "nsIPref.h"
|
|
#include "nsPhWidgetLog.h"
|
|
|
|
#include <Pt.h>
|
|
#include <errno.h>
|
|
|
|
/* Global Definitions */
|
|
PRBool nsAppShell::gExitMainLoop = PR_FALSE;
|
|
|
|
static PRBool sInitialized = PR_FALSE;
|
|
static PLHashTable *sQueueHashTable = nsnull;
|
|
static PLHashTable *sCountHashTable = nsnull;
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// XPCOM CIDs
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
|
|
static NS_DEFINE_CID(kCmdLineServiceCID, NS_COMMANDLINE_SERVICE_CID);
|
|
static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
|
|
|
|
static int
|
|
our_photon_input_add (int fd,
|
|
PtFdProc_t event_processor_callback,
|
|
void *data)
|
|
{
|
|
int err = PtAppAddFdPri( NULL, fd, (Pt_FD_READ | Pt_FD_NOPOLL | Pt_FD_DRAIN ), event_processor_callback, data, getprio( 0 ) + 1 );
|
|
if (err != 0)
|
|
{
|
|
NS_ASSERTION(0,"nsAppShell::our_photon_input_add Error calling PtAppAddFD\n");
|
|
}
|
|
|
|
return (err);
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// nsAppShell constructor
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsAppShell::nsAppShell()
|
|
{
|
|
mEventQueue = nsnull;
|
|
mFD = -1;
|
|
NS_INIT_REFCNT();
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// nsAppShell destructor
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
nsAppShell::~nsAppShell()
|
|
{
|
|
if (mFD != -1)
|
|
{
|
|
int err=PtAppRemoveFd(NULL,mFD);
|
|
|
|
if (err==-1)
|
|
{
|
|
printf("nsAppShell::~EventQueueTokenQueue Run Error calling PtAppRemoveFd mFD=<%d> errno=<%d>\n", mFD, errno);
|
|
}
|
|
mFD = -1;
|
|
}
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// nsISupports implementation macro
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
NS_IMPL_ISUPPORTS1(nsAppShell, nsIAppShell)
|
|
|
|
//-------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsAppShell::SetDispatchListener(nsDispatchListener* aDispatchListener)
|
|
{
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Enter a message handler loop
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
static int event_processor_callback(int fd, void *data, unsigned mode)
|
|
{
|
|
nsIEventQueue *eventQueue = (nsIEventQueue*)data;
|
|
if (eventQueue)
|
|
eventQueue->ProcessPendingEvents();
|
|
|
|
return Pt_CONTINUE;
|
|
}
|
|
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Create the application shell
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
NS_IMETHODIMP nsAppShell::Create(int *bac, char **bav)
|
|
{
|
|
if (!PhWidLog)
|
|
PhWidLog = PR_NewLogModule("PhWidLog");
|
|
|
|
int argc = bac ? *bac : 0;
|
|
char **argv = bav;
|
|
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsICmdLineService> cmdLineArgs =
|
|
do_GetService(kCmdLineServiceCID, &rv);
|
|
if (NS_SUCCEEDED(rv))
|
|
{
|
|
rv = cmdLineArgs->GetArgc(&argc);
|
|
if(NS_FAILED(rv))
|
|
argc = bac ? *bac : 0;
|
|
|
|
rv = cmdLineArgs->GetArgv(&argv);
|
|
if(NS_FAILED(rv))
|
|
argv = bav;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Spinup - do any preparation necessary for running a message loop
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
NS_METHOD nsAppShell::Spinup()
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
// Get the event queue service
|
|
nsCOMPtr<nsIEventQueueService> eventQService = do_GetService(kEventQueueServiceCID, &rv);
|
|
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION("Could not obtain event queue service", PR_FALSE);
|
|
return rv;
|
|
}
|
|
|
|
//Get the event queue for the thread.
|
|
//rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(mEventQueue));
|
|
rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &mEventQueue);
|
|
|
|
// If we got an event queue, use it.
|
|
if (mEventQueue)
|
|
goto done;
|
|
|
|
// otherwise create a new event queue for the thread
|
|
rv = eventQService->CreateThreadEventQueue();
|
|
if (NS_FAILED(rv)) {
|
|
NS_ASSERTION("Could not create the thread event queue", PR_FALSE);
|
|
return rv;
|
|
}
|
|
|
|
// Ask again nicely for the event queue now that we have created one.
|
|
//rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, getter_AddRefs(mEventQueue));
|
|
rv = eventQService->GetThreadEventQueue(NS_CURRENT_THREAD, &mEventQueue);
|
|
|
|
// XXX shouldn't this be automatic?
|
|
done:
|
|
ListenToEventQueue(mEventQueue, PR_TRUE);
|
|
|
|
return rv;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Spindown - do any cleanup necessary for finishing a message loop
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
NS_METHOD nsAppShell::Spindown()
|
|
{
|
|
if (mEventQueue) {
|
|
ListenToEventQueue(mEventQueue, PR_FALSE);
|
|
mEventQueue->ProcessPendingEvents();
|
|
mEventQueue = nsnull;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
/* This routine replaces the standard PtMainLoop() for Photon */
|
|
/* We had to replace it to provide a mechanism (ExitMainLoop) to exit */
|
|
/* the loop. */
|
|
|
|
void MyMainLoop( void )
|
|
{
|
|
nsAppShell::gExitMainLoop = PR_FALSE;
|
|
while (! nsAppShell::gExitMainLoop)
|
|
{
|
|
PtProcessEvent();
|
|
}
|
|
|
|
NS_WARNING("MyMainLoop exiting!\n");
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Run
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
NS_IMETHODIMP nsAppShell::Run()
|
|
{
|
|
if (!mEventQueue)
|
|
Spinup();
|
|
|
|
if (!mEventQueue)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
// kick up gtk_main. this won't return until gtk_main_quit is called
|
|
MyMainLoop();
|
|
|
|
Spindown();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
//-------------------------------------------------------------------------
|
|
//
|
|
// Exit a message handler loop
|
|
//
|
|
//-------------------------------------------------------------------------
|
|
|
|
NS_METHOD nsAppShell::Exit()
|
|
{
|
|
gExitMainLoop = PR_TRUE;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_METHOD nsAppShell::GetNativeEvent(PRBool &aRealEvent, void *&aEvent)
|
|
{
|
|
aRealEvent = PR_FALSE;
|
|
aEvent = 0;
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
|
|
NS_METHOD nsAppShell::DispatchNativeEvent(PRBool aRealEvent, void * aEvent)
|
|
{
|
|
if (!mEventQueue)
|
|
return NS_ERROR_NOT_INITIALIZED;
|
|
|
|
PtProcessEvent();
|
|
PtFlush();
|
|
return NS_OK;
|
|
}
|
|
|
|
#define NUMBER_HASH_KEY(_num) ((PLHashNumber) _num)
|
|
|
|
static PLHashNumber
|
|
IntHashKey(PRInt32 key)
|
|
{
|
|
return NUMBER_HASH_KEY(key);
|
|
}
|
|
|
|
NS_IMETHODIMP nsAppShell::ListenToEventQueue(nsIEventQueue *aQueue,
|
|
PRBool aListen)
|
|
{
|
|
if (!sQueueHashTable) {
|
|
sQueueHashTable = PL_NewHashTable(3, (PLHashFunction)IntHashKey,
|
|
PL_CompareValues, PL_CompareValues, 0, 0);
|
|
}
|
|
if (!sCountHashTable) {
|
|
sCountHashTable = PL_NewHashTable(3, (PLHashFunction)IntHashKey,
|
|
PL_CompareValues, PL_CompareValues, 0, 0);
|
|
}
|
|
|
|
if (aListen) {
|
|
/* add listener */
|
|
PRInt32 key = aQueue->GetEventQueueSelectFD();
|
|
|
|
/* only add if we arn't already in the table */
|
|
if (!PL_HashTableLookup(sQueueHashTable, (void *)(key))) {
|
|
PRInt32 tag;
|
|
tag = our_photon_input_add(aQueue->GetEventQueueSelectFD(),
|
|
event_processor_callback,
|
|
aQueue);
|
|
if (tag >= 0) {
|
|
PL_HashTableAdd(sQueueHashTable, (void *)(key), (void *)(key));
|
|
}
|
|
}
|
|
/* bump up the count */
|
|
int count = (int)(PL_HashTableLookup(sCountHashTable, (void *)(key)));
|
|
PL_HashTableAdd(sCountHashTable, (void *)(key), (void *)(count+1));
|
|
} else {
|
|
/* remove listener */
|
|
PRInt32 key = aQueue->GetEventQueueSelectFD();
|
|
|
|
int count = (int)(PL_HashTableLookup(sCountHashTable, (void *)(key)));
|
|
if (count - 1 == 0) {
|
|
int tag = (int)(PL_HashTableLookup(sQueueHashTable, (void *)(key)));
|
|
if (tag > 0) {
|
|
PtAppRemoveFd(NULL, key);
|
|
PL_HashTableRemove(sQueueHashTable, (void *)(key));
|
|
}
|
|
}
|
|
PL_HashTableAdd(sCountHashTable, (void *)(key), (void *)(count-1));
|
|
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|