1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/graphics/windowing/windowserver/nonnga/SERVER/server.h Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,426 @@
1.4 +// Copyright (c) 1999-2009 Nokia Corporation and/or its subsidiary(-ies).
1.5 +// All rights reserved.
1.6 +// This component and the accompanying materials are made available
1.7 +// under the terms of "Eclipse Public License v1.0"
1.8 +// which accompanies this distribution, and is available
1.9 +// at the URL "http://www.eclipse.org/legal/epl-v10.html".
1.10 +//
1.11 +// Initial Contributors:
1.12 +// Nokia Corporation - initial contribution.
1.13 +//
1.14 +// Contributors:
1.15 +//
1.16 +// Description:
1.17 +// Window server C++ Class definitions
1.18 +//
1.19 +//
1.20 +
1.21 +#ifndef __SERVER_H__
1.22 +#define __SERVER_H__
1.23 +
1.24 +#include <e32std.h>
1.25 +#include <w32std.h>
1.26 +#include "w32cmd.h"
1.27 +#include <bitstd.h>
1.28 +#include <bitdev.h>
1.29 +#include <e32svr.h>
1.30 +#include "OBJECT.H"
1.31 +#include "CLIENT.H"
1.32 +#include "ScrDev.H"
1.33 +#include <Graphics/WSGRAPHICDRAWERINTERFACE.H>
1.34 +#include "Graphics/wsgraphicdrawerinternal.h"
1.35 +#include "WSGRAPHICDRAWERARRAY.H"
1.36 +#include "panics.h"
1.37 +
1.38 +class CWsGc;
1.39 +class CWsDirectScreenAccess;
1.40 +class CWsAnim;
1.41 +class CWsPluginManager;
1.42 +
1.43 +const TUid KDllUid={0x10000079};
1.44 +
1.45 +const TUint KMaxNumberOfMsgsInQueue=20;
1.46 +const TUint KMaxNumberOfMsgsInInactiveQueue=2;
1.47 +
1.48 +enum TWservActiveObjectPriorities
1.49 + {
1.50 + EWsGraphicAnimateAwaitIdlePriority=0, // lowest of all, when the system is really idle
1.51 + EWsGraphicAnimatePriority=50, // used by the default animation scheduler; custom schedulers might use other priorities as they see fit
1.52 + EMainServerPriority=100,
1.53 + ESpriteAnimatePriority=900, // Below normal heartbeat
1.54 + EPointerCursorPriority=950,
1.55 + EHeartBeatPriority=1000,
1.56 + EKeyRepeatPriority=1990, // Just below normal events
1.57 + EPointerRepeatPriority=1990,// Same as for key repeats
1.58 + EEventPriority=2000,
1.59 + EWsShellLogonPriority=3000, // Log on to the shell dying
1.60 + EDirectTimeOut=4000,
1.61 + EDirectAbort=4010,
1.62 + };
1.63 +
1.64 +enum {ETidyCountSetting=8};
1.65 +
1.66 +class CWsClient;
1.67 +class DWsScreenDevice;
1.68 +
1.69 +GLREF_C RWsRegion *GetRegionFromClientL(CWsClient *aClient, TInt aCount);
1.70 +
1.71 +//---------------------------
1.72 +// The event queue
1.73 +//---------------------------
1.74 +
1.75 +#define WS_EVENT_QUEUE_SIZE 50
1.76 +
1.77 +// Forward references
1.78 +
1.79 +class CWsRedrawMsgWindow;
1.80 +class CWsWindowRedraw;
1.81 +class CWsWindow;
1.82 +class CWsWindowBase;
1.83 +class CWsWindowGroup;
1.84 +class CWsClientWindow;
1.85 +class CWsClient;
1.86 +class CWsBackedUpWindow;
1.87 +class CWsPointerCursor;
1.88 +class TWindowServerEvent;
1.89 +class CWsRootWindow;
1.90 +
1.91 +enum TFlashState {EFlashOn,EFlashOff};
1.92 +
1.93 +struct TPointerKeyList
1.94 + {
1.95 + TRect iRect;
1.96 + TInt iScanCode;
1.97 + TBool iActivatedByPointerSwitchOn;
1.98 + TDblQueLink iQue;
1.99 + };
1.100 +
1.101 +struct TWsMessage
1.102 + {
1.103 + TUid iUid;
1.104 + TUint8 iTheRest[4]; // Dummy elemnt where a variable length component will be
1.105 + };
1.106 +
1.107 +class WsKeyboardEmulator
1.108 + {
1.109 +public:
1.110 + static TBool PointerEvent(TPointerEvent::TType type,const TPoint &aPoint, TDblQue<TPointerKeyList> *iPointerKeyList);
1.111 +private:
1.112 + static void RawKeyEvent(TRawEvent::TType aType);
1.113 +private: // Private data
1.114 + static TBool iKeyIsDown;
1.115 + static TInt iCurrentKeyDown;
1.116 + };
1.117 +
1.118 +struct TPointerEventInternal
1.119 + {
1.120 + TPointerEvent::TType iType; // Type of pointer event
1.121 + TUint iModifiers; // State of pointing device and associated buttons
1.122 + TPoint iPosition; // Screen co-ordinates of mouse event
1.123 + };
1.124 +
1.125 +//------------------------------
1.126 +// Client object
1.127 +//------------------------------
1.128 +
1.129 +class CWsCliObj : public CWsObject
1.130 + {
1.131 +public:
1.132 + static CWsCliObj* NewL(CWsClient *aOwner);
1.133 +private:
1.134 + CWsCliObj(CWsClient *aOwner);
1.135 + void ConstructL();
1.136 +public: //from CWsObject
1.137 + void CommandL(TInt aOpcode, const TAny *aCmdData);
1.138 + };
1.139 +
1.140 +
1.141 +//---------------------------
1.142 +// Capture Key
1.143 +//---------------------------
1.144 +class CWsCaptureKey : public CWsObject
1.145 + {
1.146 +public:
1.147 + CWsCaptureKey(CWsWindowGroup *owner);
1.148 + ~CWsCaptureKey();
1.149 + void ConstructL(const TWsWinCmdCaptureKey &aCaptureKey);
1.150 + void SetL(const TWsWinCmdCaptureKey &aCaptureKey);
1.151 + void CommandL(TInt aOpcode, const TAny *aCmdData);
1.152 + inline CWsWindowGroup *WindowGroup();
1.153 + inline const CWsWindowGroup *WindowGroup() const;
1.154 +private:
1.155 + void CmdToParams(const TWsWinCmdCaptureKey &aCaptureKey, TCaptureKey &aParams);
1.156 +private:
1.157 + CWsWindowGroup *iWindowGroup;
1.158 + };
1.159 +
1.160 +class CWsHotKey : public CBase
1.161 + {
1.162 +public:
1.163 + CWsHotKey(TInt aHotKey, TBool aIsDefault);
1.164 + ~CWsHotKey();
1.165 + void ConstructLD(const TWsWinCmdCaptureKey &aCaptureKey);
1.166 + inline TInt HotKeyType() const;
1.167 + inline TInt KeyHandle() const;
1.168 + inline TBool IsDefault() const;
1.169 + inline void SetLink(CWsHotKey *aLink);
1.170 + void SetL(const TWsWinCmdCaptureKey &aCaptureKey);
1.171 +public:
1.172 + CWsHotKey *iNext;
1.173 +private:
1.174 + TInt iHotKeyType;
1.175 + TBool iIsDefault;
1.176 + CWsCaptureKey *iCaptureKey;
1.177 + };
1.178 +
1.179 +class CWsCaptureKeyUpsAndDowns : public CWsObject
1.180 + {
1.181 +public:
1.182 + CWsCaptureKeyUpsAndDowns(CWsWindowGroup *owner);
1.183 + ~CWsCaptureKeyUpsAndDowns();
1.184 + void ConstructL(const TWsWinCmdCaptureKey &aCaptureKey);
1.185 + void CommandL(TInt aOpcode, const TAny *aCmdData);
1.186 + static CWsWindowGroup *CheckForCapture(TUint aScanCode, TUint aModifiers);
1.187 + inline CWsWindowGroup *WindowGroup();
1.188 + inline const CWsWindowGroup *WindowGroup() const;
1.189 +private:
1.190 + TUint iModifierValue;
1.191 + TUint iModifierMask;
1.192 + TUint iScanCode;
1.193 + static TPriQue<CWsCaptureKeyUpsAndDowns> iCaptureKeysUpsAndDowns;
1.194 + TPriQueLink iLink;
1.195 + CWsWindowGroup *iWindowGroup;
1.196 + };
1.197 +
1.198 +class CWsCaptureLongKey : public CWsObject
1.199 + {
1.200 + friend class CKeyboardRepeat;
1.201 +public:
1.202 + CWsCaptureLongKey(CWsWindowGroup *owner);
1.203 + ~CWsCaptureLongKey();
1.204 + void ConstructL(const TWsWinCmdCaptureLongKey &aCaptureKey);
1.205 + void CommandL(TInt aOpcode, const TAny *aCmdData);
1.206 + inline CWsWindowGroup *WindowGroup();
1.207 + inline const CWsWindowGroup *WindowGroup() const;
1.208 + static CWsCaptureLongKey* CheckForCapture(TUint aKeyCode, TInt aModifiers);
1.209 +public:
1.210 + static TPriQue<CWsCaptureLongKey> iCaptureLongKeys;
1.211 +private:
1.212 + TPriQueLink iLink;
1.213 + CWsWindowGroup *iWindowGroup;
1.214 + TWsWinCmdCaptureLongKey iData;
1.215 + };
1.216 +
1.217 +//--------------------------------
1.218 +// Owner of CWsGraphicDrawer
1.219 +//--------------------------------
1.220 +
1.221 +class CWsGraphicDrawerObject: public CWsObject
1.222 + {
1.223 +public:
1.224 + static CWsGraphicDrawerObject* NewL(CWsClient* aClient,const TWsClCmdUnion &aParams);
1.225 + ~CWsGraphicDrawerObject();
1.226 + // from CWsObject
1.227 + void CommandL(TInt aOpcode, const TAny *aCmdData);
1.228 + // access
1.229 + CWsGraphicDrawer* Drawer();
1.230 + const CWsGraphicDrawer* Drawer() const;
1.231 + inline TInt ClientHandle() const;
1.232 +private:
1.233 + CWsGraphicDrawerObject(CWsClient* aOwner);
1.234 + void ConstructL(TUid aType,MWsGraphicDrawerEnvironment& aEnv,const TGraphicDrawerId& aId,const TDesC8& aData,TInt aClientHandle);
1.235 +private:
1.236 + static TInt TransientSequence;
1.237 + static TBool RollOver;
1.238 + CWsGraphicDrawer* iDrawer;
1.239 + TInt iClientHandle;
1.240 + };
1.241 +
1.242 +//----------------------------
1.243 +// Window's
1.244 +//----------------------------
1.245 +
1.246 +enum TWalkMode
1.247 + {
1.248 + EWalkBehind,
1.249 + EWalkChildren,
1.250 + EWalkChildrenAndBehind
1.251 + };
1.252 +enum TWindowFlags
1.253 + {
1.254 + EFlagHidden=0x1, // True if the window is invisble for any reason
1.255 + EFlagPointerCaptured=0x2,
1.256 + EFlagPointerGrab=0x4,
1.257 + EFlagInvisible=0x8, // True if the client has requested the window to be invisible
1.258 + EFlagActive=0x10, // True if the window has been activated
1.259 + //0x20
1.260 + //0x40
1.261 + EFlagDrawnToScreen=0x80, // True if the window has been drawn to the screen since it became visible
1.262 + //0x100
1.263 + EFlagPointerCaptureDragDrop=0x200, // True if pointure capture in Drag/Drop mode
1.264 + EFlagPointerCaptureAllGroups=0x400, // True if pointer capture affects all groups
1.265 + EFlagUsingPointerBuffer=0x800, // True if using a pointer event buffer
1.266 + EFlagHasPointerBuffer=0x1000, // True if has pointer event buffer allocated
1.267 + //0x2000
1.268 + EFlagFadeBehind=0x4000, // True if fade behind requested for this window
1.269 + //0x8000
1.270 + EFlagNonFadingWindow=0x00010000, //True if the window should never be faded
1.271 + EFlagScreenDeviceInvalid=0x00020000,
1.272 + EFlagShutDownInProgress=0x00040000, // True if the window is currently being shut down
1.273 + //0x00080000,
1.274 + //0x00100000,
1.275 + //0x00200000,
1.276 + //0x00400000,
1.277 + //0x00800000,
1.278 + EFlagGeneratesVisibilityEvents=0x02000000, // True if visibility events are enabled for this window
1.279 + EFlagCanBeSeen=0x04000000, // True if the last visibility event indicated that part of the window was visible
1.280 +// EFlagTransparencyAlphaChannel=0x08000000, // True if the window is transparent with an alpha channel (and no transparency mask)
1.281 + EFlagNotCantBeSeen=0x10000000, // True if the last visibility event did not indicate that part of the window was not visible
1.282 +// EFlagTransparencyPolicyFreezeUnder=0x20000000, // True if the transparent window enables freezing under policy
1.283 +// EFlagChildClippedRegionValid=0x40000000, // True if the ChildClippedRegion is valid
1.284 + EFlagHasAlpha= 0x80000000, // Equivalent to EFlagTransperencyAlphaChannel - new name to prevent confusion
1.285 + };
1.286 +
1.287 +//
1.288 +// Sprites
1.289 +//
1.290 +
1.291 +class TWsDeltaTimerEntry
1.292 + {
1.293 + friend class CWsDeltaTimer;
1.294 +public:
1.295 + inline TWsDeltaTimerEntry(TCallBack& aCallback);
1.296 + inline TWsDeltaTimerEntry();
1.297 + inline void Set(TCallBack& aCallback);
1.298 + inline TBool IsPending();
1.299 +private:
1.300 + TCallBack iCallBack;
1.301 + TDeltaQueLink iLink;
1.302 + };
1.303 +class CWsDeltaTimer : public CActive
1.304 + {
1.305 + enum {CWsDeltaTimerGranularity=100000};
1.306 +public:
1.307 + static CWsDeltaTimer* NewL(TInt aPriority);
1.308 + void Queue(TTimeIntervalMicroSeconds32 aTimeInMicroSeconds,TWsDeltaTimerEntry& aHandle);
1.309 + void Remove(TWsDeltaTimerEntry& anEntry);
1.310 + void Activate();
1.311 + ~CWsDeltaTimer();
1.312 +private:
1.313 + CWsDeltaTimer(TInt aPriority);
1.314 + void DoCancel();
1.315 + void RunL();
1.316 +protected:
1.317 + RTimer iTimer;
1.318 + TDeltaQue<TWsDeltaTimerEntry> iQueue;
1.319 + };
1.320 +
1.321 +//---------------------------
1.322 +// Top level command class
1.323 +//---------------------------
1.324 +
1.325 +/** The main server class.
1.326 +
1.327 +@internalComponent
1.328 +@released
1.329 +*/
1.330 +class CWindowServer : public CPolicyServer, public MWsGraphicDrawerEnvironment, public MWsMemoryRelease, public MWsRawEventServer
1.331 + {
1.332 +public:
1.333 + static CWindowServer *NewL();
1.334 + ~CWindowServer();
1.335 + TInt SessionCount();
1.336 + MWsAnimationScheduler* AnimationScheduler();
1.337 + CWsPluginManager * PluginManager();
1.338 + TBool ReleaseMemory();
1.339 +public: // from MWsGraphicDrawerEnvironment
1.340 + const CWsGraphicDrawer* ResolveGraphic(const TGraphicDrawerId& aId) const;
1.341 + void Invalidate(const TGraphicDrawerId& aId);
1.342 + TInt ScreenCount() const;
1.343 + MWsScreen* Screen(TInt aIndex);
1.344 + const MWsScreen* Screen(TInt aIndex) const;
1.345 + TBool SetCustomAnimationScheduler(MWsAnimationScheduler* aScheduler);
1.346 + TBool HasCustomAnimationScheduler() const;
1.347 + TBool ClearCustomAnimationScheduler(MWsAnimationScheduler* aCurrentScheduler);
1.348 + TInt RegisterEventHandler(CWsGraphicDrawer* aDrawer, MWsEventHandler* aHandler, TUint32 aEventMask);
1.349 + TInt UnregisterEventHandler(CWsGraphicDrawer* aDrawer);
1.350 + TInt RegisterWsEventHandler(MWsEventHandler* aHandler, TUint32 aEventMask);
1.351 + TInt UnregisterWsEventHandler(MWsEventHandler* aHandler);
1.352 + void Log(TInt aPriority,const TDesC &aFmt,TInt aParam=0);
1.353 + TInt RegisterMemoryRelease(MWsMemoryRelease * aMemoryRelease);
1.354 + void UnregisterMemoryRelease(MWsMemoryRelease * aMemoryRelease);
1.355 +
1.356 +public: // from MWsRawEventServer
1.357 + TInt RegisterRawEventHandler(MEventHandler * aHandler);
1.358 + void UnregisterRawEventHandler(MEventHandler * aHandler);
1.359 + void PostRawEvent(const TRawEvent & aEvent);
1.360 + void PostKeyEvent(const TKeyEvent & aEvent);
1.361 +
1.362 +public:
1.363 + // CWsGraphicDrawer master index
1.364 + TInt AddGraphicDrawer(CWsGraphicDrawer* aDrawer);
1.365 + TInt SwapGraphicDrawer(CWsGraphicDrawer* aDrawer);
1.366 + TInt RemoveGraphicDrawer(const TGraphicDrawerId& aId);
1.367 + TInt RemoveAllGraphicDrawers(const MWsClient& aOwner);
1.368 +public: // from MWsMemoryRelease
1.369 + TBool ReleaseMemory(TMemoryReleaseLevel aLevel);
1.370 +private:
1.371 + CWindowServer();
1.372 + void ConstructL();
1.373 + TAny* ResolveObjectInterface(TUint aTypeId);
1.374 +private: // from CServer2
1.375 + CSession2* NewSessionL(const TVersion& aVersion,const RMessage2& aMessage) const;
1.376 +private:
1.377 + class CDefaultAnimationScheduler;
1.378 + CDefaultAnimationScheduler* iDefaultAnimationScheduler;
1.379 + CWsPluginManager* iPluginManager;
1.380 + RPointerArray<MWsMemoryRelease> iMemoryReleases;
1.381 + /** An index to all the CWsGraphicDrawer objects.
1.382 +
1.383 + All the CWsGraphicDrawer objects are created and owned by the CWsClient objects but they are
1.384 + indexed centrally because some operations require access to the full list.
1.385 + */
1.386 + CWsGraphicDrawerArray iDrawerMasterIndex;
1.387 + };
1.388 +
1.389 +//
1.390 +inline CWsWindowGroup *CWsCaptureKey::WindowGroup()
1.391 + {return(iWindowGroup);}
1.392 +inline const CWsWindowGroup *CWsCaptureKey::WindowGroup() const
1.393 + {return(iWindowGroup);}
1.394 +//
1.395 +inline CWsWindowGroup *CWsCaptureKeyUpsAndDowns::WindowGroup()
1.396 + {return(iWindowGroup);}
1.397 +inline const CWsWindowGroup *CWsCaptureKeyUpsAndDowns::WindowGroup() const
1.398 + {return(iWindowGroup);}
1.399 +//
1.400 +inline CWsWindowGroup *CWsCaptureLongKey::WindowGroup()
1.401 + {return(iWindowGroup);}
1.402 +inline const CWsWindowGroup *CWsCaptureLongKey::WindowGroup() const
1.403 + {return(iWindowGroup);}
1.404 +//
1.405 +inline CWsPointerCursor *CWsClient::DefaultSystemPointerCursor()
1.406 + {return(iDefaultSystemPointerCursor);}
1.407 +//
1.408 +inline TInt CWsHotKey::HotKeyType() const
1.409 + {return(iHotKeyType);}
1.410 +inline TInt CWsHotKey::KeyHandle() const
1.411 + {return((TInt)iCaptureKey);}
1.412 +inline TBool CWsHotKey::IsDefault() const
1.413 + {return(iIsDefault);}
1.414 +inline void CWsHotKey::SetLink(CWsHotKey *aLink)
1.415 + {iNext=aLink;}
1.416 +//
1.417 +inline TWsDeltaTimerEntry::TWsDeltaTimerEntry(TCallBack& aCallback)
1.418 + {iCallBack=aCallback;}
1.419 +inline TWsDeltaTimerEntry::TWsDeltaTimerEntry()
1.420 + {}
1.421 +inline void TWsDeltaTimerEntry::Set(TCallBack& aCallback)
1.422 + {iCallBack=aCallback;}
1.423 +inline TBool TWsDeltaTimerEntry::IsPending()
1.424 + {return(iLink.iNext!=NULL);}
1.425 +//
1.426 +inline TInt CWsGraphicDrawerObject::ClientHandle() const
1.427 + {return iClientHandle;}
1.428 +
1.429 +#endif