Refactor Scheduler global data

Move all Scheduler members of ImplSVData into ImplSchedulerContext
and make ImplSchedulerContext a member of ImplSVData.

Change-Id: I186bebdfb5701543595848968235b5a56b6598e9

12 files changed, 63 insertions, 61 deletions

diff --git a/vcl/headless/svpinst.cxx b/vcl/headless/svpinst.cxx
index 8e9cdbc9543c..a5a96fd41e52 100644
--- a/vcl/headless/svpinst.cxx
+++ b/vcl/headless/svpinst.cxx
@@ -238,10 +238,10 @@ bool SvpSalInstance::CheckTimeout( bool bExecuteTimers )
 
                 // notify
                 ImplSVData* pSVData = ImplGetSVData();
-                if( pSVData->mpSalTimer )
+                if( pSVData->maSchedCtx.mpSalTimer )
                 {
                     bool idle = true; // TODO
-                    pSVData->mpSalTimer->CallCallback( idle );
+                    pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
                 }
             }
         }
diff --git a/vcl/inc/svdata.hxx b/vcl/inc/svdata.hxx
index 088dc5c0e0cc..4f20812a3a07 100644
--- a/vcl/inc/svdata.hxx
+++ b/vcl/inc/svdata.hxx
@@ -317,6 +317,13 @@ struct BlendFrameCache
     }
 };
 
+struct ImplSchedulerContext
+{
+    ImplSchedulerData*      mpFirstSchedulerData = nullptr; ///< list of all active tasks
+    SalTimer*               mpSalTimer = nullptr;           ///< interface to sal event loop / system timer
+    sal_uInt64              mnTimerPeriod = 0;              ///< current timer period
+};
+
 struct ImplSVData
 {
     ~ImplSVData();
@@ -325,12 +332,10 @@ struct ImplSVData
     Application*            mpApp = nullptr;                // pApp
     VclPtr<WorkWindow>      mpDefaultWin;                   // Default-Window
     bool                    mbDeInit = false;               // Is VCL deinitializing
-    ImplSchedulerData*      mpFirstSchedulerData = nullptr; // list of all running tasks
-    SalTimer*               mpSalTimer = nullptr;           // interface to sal event loop/timers
     SalI18NImeStatus*       mpImeStatus = nullptr;          // interface to ime status window
     SalSystem*              mpSalSystem = nullptr;          // SalSystem interface
     ResMgr*                 mpResMgr = nullptr;             // SV-Resource-Manager
-    sal_uInt64              mnTimerPeriod = 0;              // current timer period
+    ImplSchedulerContext    maSchedCtx;                     // indepen data for class Scheduler
     ImplSVAppData           maAppData;                      // indepen data for class Application
     ImplSVGDIData           maGDIData;                      // indepen data for Output classes
     ImplSVWinData           maWinData;                      // indepen data for Windows classes
diff --git a/vcl/osx/salinst.cxx b/vcl/osx/salinst.cxx
index c73f94685f07..cbc24100e42a 100644
--- a/vcl/osx/salinst.cxx
+++ b/vcl/osx/salinst.cxx
@@ -660,10 +660,10 @@ SAL_WNODEPRECATED_DECLARATIONS_POP
             {
                 // this cause crashes on MacOSX 10.4
                 // [AquaSalTimer::pRunningTimer fire];
-                if (ImplGetSVData()->mpSalTimer != nullptr)
+                if (ImplGetSVData()->maSchedCtx.mpSalTimer != nullptr)
                 {
                     bool const idle = true; // TODO
-                    ImplGetSVData()->mpSalTimer->CallCallback( idle );
+                    ImplGetSVData()->maSchedCtx.mpSalTimer->CallCallback( idle );
                 }
             }
         }
diff --git a/vcl/osx/salnstimer.mm b/vcl/osx/salnstimer.mm
index 88e660211401..3c67b8b7f593 100644
--- a/vcl/osx/salnstimer.mm
+++ b/vcl/osx/salnstimer.mm
@@ -33,10 +33,10 @@
     {
         SolarMutexGuard aGuard;
         ImplSVData* pSVData = ImplGetSVData();
-        if( pSVData->mpSalTimer )
+        if( pSVData->maSchedCtx.mpSalTimer )
         {
             bool const idle = true; // TODO
-            pSVData->mpSalTimer->CallCallback( idle );
+            pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
 
             // NSTimer does not end nextEventMatchingMask of NSApplication
             // so we need to wakeup a waiting Yield to inform it something happened
diff --git a/vcl/osx/saltimer.cxx b/vcl/osx/saltimer.cxx
index 9b2c1df83c83..86e42553d097 100644
--- a/vcl/osx/saltimer.cxx
+++ b/vcl/osx/saltimer.cxx
@@ -93,18 +93,18 @@ void ImplSalStopTimer()
 void AquaSalTimer::handleStartTimerEvent( NSEvent* pEvent )
 {
     ImplSVData* pSVData = ImplGetSVData();
-    if( pSVData->mpSalTimer )
+    if( pSVData->maSchedCtx.mpSalTimer )
     {
         NSTimeInterval posted = [pEvent timestamp] + NSTimeInterval([pEvent data1])/1000.0;
         NSTimeInterval current = [NSDate timeIntervalSinceReferenceDate];
         if( (posted - current) <= 0.0 )
         {
             SolarMutexGuard aGuard;
-            if( pSVData->mpSalTimer )
+            if( pSVData->maSchedCtx.mpSalTimer )
             {
                 // timer already elapsed since event posted
                 bool const idle = true; // TODO
-                pSVData->mpSalTimer->CallCallback( idle );
+                pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
             }
         }
         ImplSalStartTimer( sal_uLong( [pEvent data1] ) );
diff --git a/vcl/source/app/scheduler.cxx b/vcl/source/app/scheduler.cxx
index 2b372a6616e0..b1b456e51625 100644
--- a/vcl/source/app/scheduler.cxx
+++ b/vcl/source/app/scheduler.cxx
@@ -95,34 +95,28 @@ void ImplSchedulerData::Invoke()
 
 void Scheduler::ImplDeInitScheduler()
 {
-    ImplSVData*     pSVData = ImplGetSVData();
-    ImplSchedulerData*  pSchedulerData = pSVData->mpFirstSchedulerData;
-    if (pSVData->mpSalTimer)
-    {
-        pSVData->mpSalTimer->Stop();
-    }
+    ImplSVData*           pSVData = ImplGetSVData();
+    assert( pSVData != nullptr );
+    ImplSchedulerContext &rSchedCtx = pSVData->maSchedCtx;
+
+    if (rSchedCtx.mpSalTimer) rSchedCtx.mpSalTimer->Stop();
+    DELETEZ( rSchedCtx.mpSalTimer );
 
-    if ( pSchedulerData )
+    ImplSchedulerData* pSchedulerData = rSchedCtx.mpFirstSchedulerData;
+    while ( pSchedulerData )
     {
-        do
+        if ( pSchedulerData->mpTask )
         {
-            ImplSchedulerData* pTempSchedulerData = pSchedulerData;
-            if ( pSchedulerData->mpTask )
-            {
-                pSchedulerData->mpTask->mbActive = false;
-                pSchedulerData->mpTask->mpSchedulerData = nullptr;
-            }
-            pSchedulerData = pSchedulerData->mpNext;
-            delete pTempSchedulerData;
+            pSchedulerData->mpTask->mbActive = false;
+            pSchedulerData->mpTask->mpSchedulerData = nullptr;
         }
-        while ( pSchedulerData );
-
-        pSVData->mpFirstSchedulerData = nullptr;
-        pSVData->mnTimerPeriod = 0;
+        ImplSchedulerData* pDeleteSchedulerData = pSchedulerData;
+        pSchedulerData = pSchedulerData->mpNext;
+        delete pDeleteSchedulerData;
     }
 
-    delete pSVData->mpSalTimer;
-    pSVData->mpSalTimer = nullptr;
+    rSchedCtx.mpFirstSchedulerData = nullptr;
+    rSchedCtx.mnTimerPeriod = 0;
 }
 
 /**
@@ -144,21 +138,22 @@ void Scheduler::ImplStartTimer(sal_uInt64 nMS, bool bForce)
 
     DBG_TESTSOLARMUTEX();
 
-    if (!pSVData->mpSalTimer)
+    ImplSchedulerContext &rSchedCtx = pSVData->maSchedCtx;
+    if (!rSchedCtx.mpSalTimer)
     {
-        pSVData->mnTimerPeriod = MaximumTimeoutMs;
-        pSVData->mpSalTimer = pSVData->mpDefInst->CreateSalTimer();
-        pSVData->mpSalTimer->SetCallback(Scheduler::CallbackTaskScheduling);
+        rSchedCtx.mnTimerPeriod = MaximumTimeoutMs;
+        rSchedCtx.mpSalTimer = pSVData->mpDefInst->CreateSalTimer();
+        rSchedCtx.mpSalTimer->SetCallback(Scheduler::CallbackTaskScheduling);
     }
 
     if ( !nMS )
         nMS = 1;
 
     // Only if smaller timeout, to avoid skipping.
-    if (bForce || nMS < pSVData->mnTimerPeriod)
+    if (bForce || nMS < rSchedCtx.mnTimerPeriod)
     {
-        pSVData->mnTimerPeriod = nMS;
-        pSVData->mpSalTimer->Start(nMS);
+        rSchedCtx.mnTimerPeriod = nMS;
+        rSchedCtx.mpSalTimer->Start( nMS );
     }
 }
 
@@ -178,7 +173,7 @@ bool Scheduler::ProcessTaskScheduling( bool bIdle )
 
     DBG_TESTSOLARMUTEX();
 
-    for ( ImplSchedulerData *pSchedulerData = pSVData->mpFirstSchedulerData;
+    for ( ImplSchedulerData *pSchedulerData = pSVData->maSchedCtx.mpFirstSchedulerData;
           pSchedulerData; pSchedulerData = pSchedulerData->mpNext )
     {
         if ( !pSchedulerData->mpTask || pSchedulerData->mbDelete || pSchedulerData->mbInScheduler ||
@@ -232,11 +227,12 @@ sal_uInt64 Scheduler::CalculateMinimumTimeout( bool &bHasActiveIdles )
     ImplSVData*        pSVData = ImplGetSVData();
     sal_uInt64         nTime = tools::Time::GetSystemTicks();
     sal_uInt64         nMinPeriod = MaximumTimeoutMs;
+    ImplSchedulerContext &rSchedCtx = pSVData->maSchedCtx;
 
     DBG_TESTSOLARMUTEX();
 
     SAL_INFO("vcl.schedule", "Calculating minimum timeout:");
-    pSchedulerData = pSVData->mpFirstSchedulerData;
+    pSchedulerData = rSchedCtx.mpFirstSchedulerData;
     while ( pSchedulerData )
     {
         const Timer *timer = dynamic_cast<Timer*>( pSchedulerData->mpTask );
@@ -260,7 +256,7 @@ sal_uInt64 Scheduler::CalculateMinimumTimeout( bool &bHasActiveIdles )
             if ( pPrevSchedulerData )
                 pPrevSchedulerData->mpNext = pSchedulerData->mpNext;
             else
-                pSVData->mpFirstSchedulerData = pSchedulerData->mpNext;
+                rSchedCtx.mpFirstSchedulerData = pSchedulerData->mpNext;
             if ( pSchedulerData->mpTask )
                 pSchedulerData->mpTask->mpSchedulerData = nullptr;
             pNext = pSchedulerData->mpNext;
@@ -292,12 +288,12 @@ sal_uInt64 Scheduler::CalculateMinimumTimeout( bool &bHasActiveIdles )
     }
 
     // delete clock if no more timers available,
-    if ( !pSVData->mpFirstSchedulerData )
+    if ( !pSVData->maSchedCtx.mpFirstSchedulerData )
     {
-        if ( pSVData->mpSalTimer )
-            pSVData->mpSalTimer->Stop();
+        if ( pSVData->maSchedCtx.mpSalTimer )
+            pSVData->maSchedCtx.mpSalTimer->Stop();
         nMinPeriod = MaximumTimeoutMs;
-        pSVData->mnTimerPeriod = nMinPeriod;
+        pSVData->maSchedCtx.mnTimerPeriod = nMinPeriod;
         SAL_INFO("vcl.schedule", "Unusual - no more timers available - stop timer");
     }
     else
@@ -349,7 +345,7 @@ void Task::Start()
 
         // insert last due to SFX!
         ImplSchedulerData* pPrev = nullptr;
-        ImplSchedulerData* pData = pSVData->mpFirstSchedulerData;
+        ImplSchedulerData* pData = pSVData->maSchedCtx.mpFirstSchedulerData;
         while ( pData )
         {
             pPrev = pData;
@@ -359,7 +355,7 @@ void Task::Start()
         if ( pPrev )
             pPrev->mpNext = mpSchedulerData;
         else
-            pSVData->mpFirstSchedulerData = mpSchedulerData;
+            pSVData->maSchedCtx.mpFirstSchedulerData = mpSchedulerData;
         SAL_INFO( "vcl.schedule", tools::Time::GetSystemTicks()
                   << " " << mpSchedulerData << "  added      " << *this );
     }
diff --git a/vcl/source/app/svapp.cxx b/vcl/source/app/svapp.cxx
index fff8619d51fc..0116b3b596c8 100644
--- a/vcl/source/app/svapp.cxx
+++ b/vcl/source/app/svapp.cxx
@@ -548,7 +548,7 @@ void Scheduler::ProcessEventsToIdle()
     const ImplSVData* pSVData = ImplGetSVData();
     if ( !pSVData->mpDefInst->IsMainThread() )
         return;
-    const ImplSchedulerData* pSchedulerData = ImplGetSVData()->mpFirstSchedulerData;
+    const ImplSchedulerData* pSchedulerData = ImplGetSVData()->maSchedCtx.mpFirstSchedulerData;
     bool bAnyIdle = false;
     while ( pSchedulerData )
     {
diff --git a/vcl/source/app/svmain.cxx b/vcl/source/app/svmain.cxx
index 672618bd5712..2264c8424ebf 100644
--- a/vcl/source/app/svmain.cxx
+++ b/vcl/source/app/svmain.cxx
@@ -584,8 +584,9 @@ void DeInitVCL()
     // and thereby unloading the plugin
     delete pSVData->mpSalSystem;
     pSVData->mpSalSystem = nullptr;
-    delete pSVData->mpSalTimer;
-    pSVData->mpSalTimer = nullptr;
+    assert( !pSVData->maSchedCtx.mpSalTimer );
+    delete pSVData->maSchedCtx.mpSalTimer;
+    pSVData->maSchedCtx.mpSalTimer = nullptr;
 
     pSVData->mpDefaultWin = nullptr;
     pSVData->mpIntroWindow = nullptr;
diff --git a/vcl/unx/generic/app/saldata.cxx b/vcl/unx/generic/app/saldata.cxx
index 698955614daf..73369b5becb8 100644
--- a/vcl/unx/generic/app/saldata.cxx
+++ b/vcl/unx/generic/app/saldata.cxx
@@ -564,8 +564,8 @@ void X11SalData::XError( Display *pDisplay, XErrorEvent *pEvent )
 void X11SalData::Timeout( bool idle )
 {
     ImplSVData* pSVData = ImplGetSVData();
-    if( pSVData->mpSalTimer )
-        pSVData->mpSalTimer->CallCallback( idle );
+    if( pSVData->maSchedCtx.mpSalTimer )
+        pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
 }
 
 struct YieldEntry
diff --git a/vcl/unx/gtk/gtkdata.cxx b/vcl/unx/gtk/gtkdata.cxx
index cf466457e744..710a345726ad 100644
--- a/vcl/unx/gtk/gtkdata.cxx
+++ b/vcl/unx/gtk/gtkdata.cxx
@@ -735,11 +735,11 @@ extern "C" {
         sal_gtk_timeout_defer( pTSource );
 
         ImplSVData* pSVData = ImplGetSVData();
-        if( pSVData->mpSalTimer )
+        if( pSVData->maSchedCtx.mpSalTimer )
         {
             // TODO: context_pending should be probably checked too, but it causes locking assertion failures
             bool idle = !pSalData->BlockIdleTimeout() && /*!g_main_context_pending( NULL ) &&*/ !gdk_events_pending();
-            pSVData->mpSalTimer->CallCallback( idle );
+            pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
         }
 
         return TRUE;
diff --git a/vcl/unx/gtk3/gtk3gtkdata.cxx b/vcl/unx/gtk3/gtk3gtkdata.cxx
index b48084660caa..47235ebcbb02 100644
--- a/vcl/unx/gtk3/gtk3gtkdata.cxx
+++ b/vcl/unx/gtk3/gtk3gtkdata.cxx
@@ -697,11 +697,11 @@ extern "C" {
         sal_gtk_timeout_defer( pTSource );
 
         ImplSVData* pSVData = ImplGetSVData();
-        if( pSVData->mpSalTimer )
+        if( pSVData->maSchedCtx.mpSalTimer )
         {
             // TODO: context_pending should be probably checked too, but it causes locking assertion failures
             bool idle = !pSalData->BlockIdleTimeout() && /*!g_main_context_pending( NULL ) &&*/ !gdk_events_pending();
-            pSVData->mpSalTimer->CallCallback( idle );
+            pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
         }
 
         return TRUE;
diff --git a/vcl/win/app/saltimer.cxx b/vcl/win/app/saltimer.cxx
index de213deaee7b..3c1ff53c90c1 100644
--- a/vcl/win/app/saltimer.cxx
+++ b/vcl/win/app/saltimer.cxx
@@ -148,10 +148,10 @@ void EmitTimerCallback()
 
     // Try to acquire the mutex. If we don't get the mutex then we
     // try this a short time later again.
-    if (pSVData->mpSalTimer && ImplSalYieldMutexTryToAcquire())
+    if (pSVData->maSchedCtx.mpSalTimer && ImplSalYieldMutexTryToAcquire())
     {
         bool const idle = true; // TODO
-        pSVData->mpSalTimer->CallCallback( idle );
+        pSVData->maSchedCtx.mpSalTimer->CallCallback( idle );
         ImplSalYieldMutexRelease();
 
         // Run the timer again if it was started before, and also