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1 /* |
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2 * Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #include "AknSyncDraw.h" |
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19 |
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20 |
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21 class CCoeControlAccess : public CCoeControl |
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22 { |
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23 public: |
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24 using CCoeControl::ActivateGc; |
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25 using CCoeControl::DeactivateGc; |
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26 using CCoeControl::Window; |
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27 using CCoeControl::HandleRedrawEvent; |
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28 }; |
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29 |
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30 |
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31 enum TSyncDrawFlags |
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32 { |
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33 EInDrawLoop |
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34 }; |
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35 |
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36 |
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37 const TInt KSyncDrawArrayGranularity = 4; |
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38 |
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39 |
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40 EXPORT_C void MAknSyncDrawer::MAknSyncDrawer_Reserved_1() {} |
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41 EXPORT_C void MAknSyncDrawer::MAknSyncDrawer_Reserved_2() {} |
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42 |
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43 |
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44 EXPORT_C TAknSyncControlDrawer::TAknSyncControlDrawer() |
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45 { |
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46 } |
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47 |
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48 EXPORT_C void TAknSyncControlDrawer::SetControl(CCoeControl* aControl) |
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49 { |
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50 iControl = static_cast<CCoeControlAccess*>(aControl); |
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51 } |
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52 |
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53 EXPORT_C void TAknSyncControlDrawer::MasrPrepareForDraw() |
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54 { |
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55 iDrawRect = TRect(); |
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56 RWindow& window = iControl->Window(); |
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57 RRegion region; |
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58 window.GetInvalidRegion(region); |
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59 if (!region.CheckError()) |
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60 { |
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61 iDrawRect = region.BoundingRect(); |
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62 } |
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63 region.Close(); |
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64 } |
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65 |
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66 EXPORT_C void TAknSyncControlDrawer::MasrDraw() |
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67 { |
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68 if (!iDrawRect.IsEmpty()) |
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69 iControl->HandleRedrawEvent(iDrawRect); |
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70 } |
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71 |
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72 EXPORT_C void TAknSyncControlDrawer::MasrDeactivateGc() const |
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73 { |
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74 iControl->DeactivateGc(); |
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75 } |
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76 |
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77 EXPORT_C void TAknSyncControlDrawer::MasrActivateGc() const |
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78 { |
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79 iControl->ActivateGc(); |
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80 } |
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81 |
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82 |
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83 EXPORT_C CAknDrawSynchronizer* CAknDrawSynchronizer::NewL() |
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84 { |
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85 CAknDrawSynchronizer* self = new(ELeave) CAknDrawSynchronizer(); |
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86 CleanupStack::PushL(self); |
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87 self->ConstructL(); |
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88 CleanupStack::Pop(); |
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89 return self; |
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90 } |
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91 |
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92 EXPORT_C CAknDrawSynchronizer::~CAknDrawSynchronizer() |
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93 { |
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94 delete iSyncDrawers; |
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95 } |
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96 |
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97 CAknDrawSynchronizer::CAknDrawSynchronizer() |
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98 { |
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99 } |
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100 |
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101 void CAknDrawSynchronizer::ConstructL() |
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102 { |
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103 iSyncDrawers = new(ELeave) CSyncDrawers(KSyncDrawArrayGranularity); |
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104 } |
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105 |
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106 EXPORT_C void CAknDrawSynchronizer::AddL(MAknSyncDrawer* aDrawer) |
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107 { |
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108 Remove(aDrawer); |
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109 iSyncDrawers->AppendL(aDrawer); |
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110 } |
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111 |
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112 EXPORT_C void CAknDrawSynchronizer::Remove(MAknSyncDrawer* aDrawer) |
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113 { |
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114 TInt count = iSyncDrawers->Count(); |
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115 for (TInt ii = count-1; ii >= 0; ii--) |
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116 { |
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117 if (iSyncDrawers->At(ii) == aDrawer) |
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118 iSyncDrawers->Delete(ii); |
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119 } |
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120 } |
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121 |
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122 EXPORT_C void CAknDrawSynchronizer::Signal(const MAknSyncDrawer* aDrawer) |
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123 { |
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124 if (iFlags[EInDrawLoop]) |
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125 return; |
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126 iFlags.Set(EInDrawLoop); |
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127 |
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128 if (aDrawer) |
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129 aDrawer->MasrDeactivateGc(); |
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130 |
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131 const TInt count = iSyncDrawers->Count(); |
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132 TInt ii; |
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133 |
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134 // prepare to draw |
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135 for (ii = 0; ii<count; ++ii) |
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136 { |
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137 MAknSyncDrawer* redrawer = iSyncDrawers->At(ii); |
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138 if (redrawer != aDrawer) |
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139 redrawer->MasrPrepareForDraw(); |
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140 } |
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141 |
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142 // draw |
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143 for (ii = 0; ii<count; ++ii) |
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144 { |
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145 MAknSyncDrawer* redrawer = iSyncDrawers->At(ii); |
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146 if (redrawer != aDrawer) |
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147 redrawer->MasrDraw(); |
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148 } |
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149 |
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150 if (aDrawer) |
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151 aDrawer->MasrActivateGc(); |
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152 |
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153 iFlags.Clear(EInDrawLoop); |
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154 } |
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155 |
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156 |
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157 // End of File |