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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 // AknPopupFader.cpp |
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19 // |
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20 // Copyright (c) 1997-2001 Symbian Ltd. All rights reserved. |
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21 // |
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22 |
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23 #include "AknPopupFader.h" |
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24 |
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25 #include <coecntrl.h> |
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26 #include <eikdef.h> |
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27 #include <coemain.h> |
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28 #include <eikon.hrh> |
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29 #include <eikenv.h> |
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30 #include <aknappui.h> |
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31 #include <w32std.h> |
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32 #include <eikdialg.h> |
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33 #include <AknSgcc.h> |
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34 |
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35 const TUid KUidFadeStackTls = {0x101f760b}; |
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36 const TInt KFadeStackGranularity = 4; |
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37 |
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38 EXPORT_C TInt MAknFadedComponent::CountFadedComponents() |
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39 { |
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40 return 0; |
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41 } |
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42 |
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43 EXPORT_C CCoeControl* MAknFadedComponent::FadedComponent(TInt /*aIndex*/) |
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44 { |
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45 return NULL; |
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46 } |
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47 |
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48 |
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49 NONSHARABLE_CLASS(CAknFadeStack) : public CCoeStatic, public MCoeForegroundObserver |
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50 { |
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51 public: |
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52 enum TStackPosition |
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53 { |
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54 EStackTop = 0, |
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55 EStackNextToTop |
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56 }; |
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57 public: |
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58 static void CreateL(); |
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59 static CAknFadeStack* Static(); |
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60 |
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61 void PushPopupFaderL(MAknFadedComponent* aPopup); |
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62 void PopPopupFader(MAknFadedComponent* aPopup); |
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63 |
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64 private: |
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65 CAknFadeStack(); |
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66 ~CAknFadeStack(); |
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67 void ConstructL(); |
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68 void SetComponentFaded(MAknFadedComponent* aPopup, TBool aFade); |
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69 MAknFadedComponent* PopupFader(TStackPosition aPosition) const; |
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70 TBool IsFullscreenDialog(MAknFadedComponent* aPopup); |
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71 void SetFade(); |
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72 void RemovePopupFader(MAknFadedComponent* aPopup); |
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73 void SetSystemFadeOff(); |
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74 |
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75 private: // from MCoeForegroundObserver |
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76 void HandleGainingForeground(); |
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77 void HandleLosingForeground(); |
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78 |
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79 private: |
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80 CArrayFixFlat<MAknFadedComponent*>* iFadeStack; |
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81 TBool iIsForeground; |
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82 CCoeEnv* iCoeEnv; |
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83 TBool iSystemFaded; |
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84 }; |
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85 |
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86 CAknFadeStack::CAknFadeStack() |
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87 : CCoeStatic(KUidFadeStackTls), iCoeEnv(CCoeEnv::Static()) |
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88 { |
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89 iSystemFaded = EFalse; |
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90 } |
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91 |
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92 CAknFadeStack::~CAknFadeStack() |
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93 { |
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94 iCoeEnv->RemoveForegroundObserver(*this); |
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95 delete iFadeStack; |
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96 } |
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97 |
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98 void CAknFadeStack::ConstructL() |
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99 { |
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100 iFadeStack = new(ELeave) CArrayFixFlat<MAknFadedComponent*>(KFadeStackGranularity); |
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101 iCoeEnv->AddForegroundObserverL(*this); |
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102 } |
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103 |
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104 CAknFadeStack* CAknFadeStack::Static() |
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105 { |
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106 return static_cast<CAknFadeStack*>(CCoeEnv::Static(KUidFadeStackTls)); |
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107 } |
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108 |
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109 void CAknFadeStack::CreateL() |
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110 { // static |
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111 CAknFadeStack* self=CAknFadeStack::Static(); |
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112 if (!self) |
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113 { |
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114 self=new(ELeave) CAknFadeStack(); // CCoeEnv takes ownership immediately |
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115 CleanupStack::PushL(self); |
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116 self->ConstructL(); |
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117 CleanupStack::Pop(); |
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118 } |
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119 } |
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120 |
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121 void CAknFadeStack::HandleGainingForeground() |
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122 { |
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123 iIsForeground = ETrue; |
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124 SetFade(); |
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125 } |
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126 |
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127 void CAknFadeStack::HandleLosingForeground() |
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128 { |
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129 iIsForeground = EFalse; |
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130 iSystemFaded = EFalse; |
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131 SetFade(); |
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132 } |
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133 |
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134 void CAknFadeStack::PushPopupFaderL(MAknFadedComponent* aPopup) |
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135 { |
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136 RemovePopupFader(aPopup); |
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137 iFadeStack->AppendL(aPopup); |
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138 SetFade(); |
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139 } |
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140 |
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141 void CAknFadeStack::PopPopupFader(MAknFadedComponent* aPopup) |
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142 { |
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143 RemovePopupFader(aPopup); |
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144 SetFade(); |
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145 } |
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146 |
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147 void CAknFadeStack::RemovePopupFader(MAknFadedComponent* aPopup) |
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148 { |
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149 TInt end = iFadeStack->Count() - 1; |
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150 for (TInt ii=end; ii>=0; ii--) |
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151 { |
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152 if (iFadeStack->At(ii) == aPopup) |
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153 iFadeStack->Delete(ii); |
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154 } |
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155 } |
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156 |
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157 void CAknFadeStack::SetSystemFadeOff() |
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158 { |
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159 if ( iSystemFaded || CAknSgcClient::IsSystemFaded() ) |
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160 { |
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161 CAknAppUi* appUi = iAvkonAppUi; |
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162 TRAP_IGNORE( appUi->SetFadedL(EFalse) ); |
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163 iSystemFaded = EFalse; |
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164 } |
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165 } |
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166 |
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167 void CAknFadeStack::SetComponentFaded(MAknFadedComponent* aPopup, TBool aFade) |
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168 { |
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169 TInt count = aPopup->CountFadedComponents(); |
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170 for (TInt ii=0; ii<count; ii++) |
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171 { |
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172 CCoeControl* control = aPopup->FadedComponent(ii); |
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173 //fix for TSW error EHLN-7HHFPX |
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174 if ( control != NULL ) |
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175 { |
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176 control->DrawableWindow()->SetFaded(aFade, RWindowTreeNode::EFadeIncludeChildren); |
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177 } |
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178 } |
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179 } |
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180 |
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181 TBool CAknFadeStack::IsFullscreenDialog(MAknFadedComponent* aPopup) |
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182 { |
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183 TInt count = aPopup->CountFadedComponents(); |
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184 for (TInt ii=0; ii<count; ii++) |
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185 { |
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186 CCoeControl* control = aPopup->FadedComponent(ii); |
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187 CEikDialog* dialg = NULL; |
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188 //fix for TSW error EHLN-7HHFPX |
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189 if ( control != NULL ) |
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190 { |
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191 dialg = control->MopGetObjectNoChaining(dialg); |
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192 if(dialg != NULL) |
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193 { |
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194 // is a dialog, get flags |
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195 TInt flags = dialg->DialogFlags(); |
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196 if ((flags&EEikDialogFlagFillAppClientRect) || (flags&EEikDialogFlagFillScreen) || (flags&EEikDialogFlagNoBackgroundFade) ) |
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197 { |
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198 return ETrue; |
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199 } |
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200 } |
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201 } |
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202 } |
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203 return EFalse; |
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204 } |
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205 |
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206 MAknFadedComponent* CAknFadeStack::PopupFader(TStackPosition aPosition) const |
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207 { |
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208 TInt count = iFadeStack->Count(); |
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209 return count > aPosition ? iFadeStack->At(count-1-aPosition) : NULL; |
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210 } |
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211 |
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212 void CAknFadeStack::SetFade() |
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213 { |
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214 MAknFadedComponent* top = PopupFader(EStackTop); |
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215 CAknAppUi* appUi = iAvkonAppUi; |
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216 |
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217 if (iIsForeground || appUi->IsForeground()) |
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218 { |
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219 if(top) |
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220 { |
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221 if(!IsFullscreenDialog(top)) |
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222 { |
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223 if(!iSystemFaded) |
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224 { |
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225 TRAP_IGNORE( appUi->SetFadedL(ETrue) ); |
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226 iSystemFaded = ETrue; |
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227 } |
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228 else |
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229 { |
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230 // If a popup comes on top of another, system fade is not |
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231 // called but the previous top popup is faded |
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232 MAknFadedComponent* prevTop = PopupFader(EStackNextToTop); |
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233 if (prevTop) |
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234 { |
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235 SetComponentFaded(prevTop, ETrue); |
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236 } |
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237 } |
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238 SetComponentFaded(top, EFalse); |
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239 } |
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240 else |
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241 { |
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242 // Remove fading for fullscreen dialogs |
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243 SetSystemFadeOff(); |
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244 } |
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245 } |
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246 else |
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247 { |
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248 SetSystemFadeOff(); |
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249 } |
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250 } |
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251 else if (top) |
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252 { |
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253 SetComponentFaded(top, appUi->IsFaded()); |
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254 } |
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255 } |
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256 |
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257 |
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258 EXPORT_C void TAknPopupFader::FadeBehindPopup(MAknFadedComponent* aComponent, CCoeControl* aParent, TBool aFade) |
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259 { |
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260 TRAP_IGNORE(FadeBehindPopupL(aComponent, aParent, aFade)); |
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261 } |
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262 |
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263 void TAknPopupFader::FadeBehindPopupL(MAknFadedComponent* aComponent, CCoeControl* /*aParent*/, TBool aFade) |
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264 { |
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265 CAknFadeStack* stack=CAknFadeStack::Static(); |
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266 if (stack) |
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267 { |
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268 if (aFade) |
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269 { |
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270 stack->PushPopupFaderL(aComponent); |
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271 } |
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272 else |
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273 { |
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274 stack->PopPopupFader(aComponent); |
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275 } |
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276 } |
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277 } |
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278 |
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279 void TAknPopupFader::CreateStaticL() |
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280 { |
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281 CAknFadeStack::CreateL(); |
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282 } |
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283 |
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284 // End of File |