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1 // Copyright (c) 1997-2009 Nokia Corporation and/or its subsidiary(-ies). |
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2 // All rights reserved. |
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3 // This component and the accompanying materials are made available |
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4 // under the terms of "Eclipse Public License v1.0" |
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5 // which accompanies this distribution, and is available |
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6 // at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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7 // |
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8 // Initial Contributors: |
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9 // Nokia Corporation - initial contribution. |
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10 // |
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11 // Contributors: |
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12 // |
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13 // Description: |
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14 // |
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15 |
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16 #include "coepriv.h" |
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17 #include "coepanic.h" |
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18 #include <coecntrl.h> // class CCoeControl |
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19 |
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20 |
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21 LOCAL_C TBool IsHandleValid(TUint aHandle) |
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22 { |
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23 return (aHandle&3)==0; |
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24 } |
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25 |
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26 // |
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27 // CCoeView class |
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28 // |
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29 |
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30 CCoeView* CCoeView::NewLC(MCoeView& aView) |
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31 { |
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32 CCoeView* self=new(ELeave) CCoeView(aView); |
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33 CleanupStack::PushL(self); |
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34 return self; |
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35 } |
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36 |
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37 CCoeView::CCoeView(MCoeView& aView) : iView(aView) |
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38 { |
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39 } |
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40 |
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41 |
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42 |
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43 // |
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44 // class CCoeRedrawer |
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45 // |
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46 |
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47 CCoeRedrawer::CCoeRedrawer(RWsSession& aWsSession) |
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48 :CActive(EActivePriorityRedrawEvents), |
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49 iWsSession(aWsSession), |
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50 iFirstRunL(ETrue) |
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51 { |
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52 CActiveScheduler::Add(this); |
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53 Queue(); |
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54 } |
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55 |
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56 CCoeRedrawer::~CCoeRedrawer() |
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57 { |
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58 Cancel(); |
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59 } |
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60 |
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61 void CCoeRedrawer::Queue() |
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62 { |
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63 iWsSession.RedrawReady(&iStatus); |
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64 SetActive(); |
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65 } |
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66 |
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67 void CCoeRedrawer::RunL() |
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68 { |
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69 TWsRedrawEvent redraw; |
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70 iWsSession.GetRedraw(redraw); |
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71 const TUint handle = redraw.Handle(); |
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72 __ASSERT_ALWAYS(IsHandleValid(handle), Panic(ECoePanicInvalidHandle)); |
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73 CCoeControl* window=REINTERPRET_CAST(CCoeControl*,handle); |
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74 Queue(); |
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75 #if defined(_DEBUG) |
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76 if (window) |
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77 { |
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78 TRAPD(err, window->HandleRedrawEvent(redraw.Rect())); |
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79 __ASSERT_ALWAYS(err==KErrNone,Panic(ECoePanicLeaveWithoutTrapDuringRedraw)); |
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80 } |
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81 #else |
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82 if (window) |
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83 window->HandleRedrawEvent(redraw.Rect()); |
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84 #endif |
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85 iWsSession.Flush(); //flush the window-server client-side buffer *after* HandleRedrawEvent has done any drawing |
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86 |
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87 #if defined(USE_IH_RAISE_EVENT) |
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88 const TInt appStartupInstrumentationEventIdBase=CCoeEnv::Static()->AppStartupInstrumentationEventIdBase(); |
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89 if (appStartupInstrumentationEventIdBase!=0) |
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90 { |
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91 IH_DECLARE( lInstrumentationHandler ); |
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92 IH_CREATE( lInstrumentationHandler ); |
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93 IH_RAISE_EVENT( lInstrumentationHandler, appStartupInstrumentationEventIdBase+MTestInstrumentation::TIDOffsetEndApplicationFirstRedraw ); |
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94 IH_DELETE( lInstrumentationHandler ); |
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95 } |
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96 #endif |
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97 if (iFirstRunL) |
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98 { |
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99 iFirstRunL=EFalse; |
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100 } |
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101 } |
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102 |
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103 void CCoeRedrawer::DoCancel() |
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104 { |
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105 iWsSession.RedrawReadyCancel(); |
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106 } |