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1 /* |
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2 * Copyright (c) 2006 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: Roster. |
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15 * |
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16 */ |
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17 |
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18 |
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19 |
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20 #include "alf/alfroster.h" |
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21 #include "alf/alfdisplay.h" |
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22 #include "alf/alfcontrolgroup.h" |
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23 #include "alf/alfcontrol.h" |
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24 #include "alf/alfenv.h" |
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25 #include "alfclient.h" |
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26 #include "alf/alfevent.h" |
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27 #include "alflogger.h" |
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28 #include "alfpanic.h" |
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29 |
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30 #include <uiacceltk/HuiUtil.h> |
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31 |
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32 // Private data |
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33 |
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34 struct CAlfRoster::TPrivateData |
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35 { |
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36 CAlfDisplay* iDisplay; // Not owned. |
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37 RPointerArray<CAlfControlGroup> iEntries; // Not owned. Kept in order. |
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38 CAlfControl* iInputFocus; // Not owned. |
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39 RPointerArray<MAlfControlGroupOrderChangedObserver> iControlGroupOrderChangedObservers; // Not owned. |
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40 }; |
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41 |
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42 |
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43 // ======== MEMBER FUNCTIONS ======== |
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44 |
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45 // --------------------------------------------------------------------------- |
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46 // Constructor |
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47 // --------------------------------------------------------------------------- |
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48 // |
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49 CAlfRoster::CAlfRoster() |
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50 { |
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51 } |
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52 |
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53 |
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54 // --------------------------------------------------------------------------- |
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55 // ConstructL |
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56 // --------------------------------------------------------------------------- |
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57 // |
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58 void CAlfRoster::ConstructL(CAlfDisplay* aDisplay) |
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59 { |
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60 iData = new (ELeave) TPrivateData; |
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61 iData->iDisplay = aDisplay; |
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62 iData->iInputFocus = NULL; |
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63 } |
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64 |
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65 // --------------------------------------------------------------------------- |
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66 // Destructor |
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67 // --------------------------------------------------------------------------- |
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68 // |
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69 CAlfRoster::~CAlfRoster() |
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70 { |
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71 if ( iData ) |
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72 { |
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73 iData->iEntries.Close(); |
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74 iData->iControlGroupOrderChangedObservers.Close(); |
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75 } |
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76 |
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77 delete iData; |
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78 iData = NULL; |
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79 } |
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80 |
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81 |
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82 // --------------------------------------------------------------------------- |
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83 // Shows given control group. |
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84 // --------------------------------------------------------------------------- |
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85 // |
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86 EXPORT_C void CAlfRoster::ShowL(CAlfControlGroup& aGroup, TInt aWhere ) |
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87 { |
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88 // If the group is already shown on the display, just adjust its |
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89 // position according to the parameters. |
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90 if(Find(aGroup) != KErrNotFound) |
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91 { |
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92 // It is already shown. Only adjust position. |
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93 TInt newPos = aWhere; |
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94 if(newPos == KAlfRosterShowAtTop) |
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95 { |
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96 newPos = Count() - 1; |
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97 } |
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98 else if(newPos == KAlfRosterShowAtBottom) |
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99 { |
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100 newPos = 0; |
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101 } |
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102 else |
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103 { |
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104 // for PC lint |
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105 } |
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106 |
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107 // Move the control group to a new position in the roster. |
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108 const TBool lWasMoved = Move(aGroup, newPos); |
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109 |
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110 // Move on the server side |
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111 iData->iDisplay->Env().Client().RosterShow( |
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112 aGroup.Identifier(), |
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113 aWhere, |
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114 iData->iDisplay->ServerHandle() ); |
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115 |
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116 //fix for bug "ESMA-7L3H7F". Notification is moved from Move() to here. |
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117 // Notify control group order changed observers about changed control group order |
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118 |
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119 if(lWasMoved) |
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120 { |
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121 NotifyControlGroupOrderChangedObservers(); |
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122 } |
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123 |
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124 return; |
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125 } |
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126 |
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127 if(aWhere == KAlfRosterShowAtTop) |
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128 { |
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129 // Put the group on top of the roster. |
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130 AppendL(aGroup); |
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131 } |
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132 else if(aWhere == KAlfRosterShowAtBottom) |
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133 { |
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134 InsertL(aGroup, 0); |
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135 } |
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136 else |
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137 { |
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138 InsertL(aGroup, aWhere); |
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139 } |
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140 |
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141 |
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142 // The group will automatically accept input events once shown. |
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143 aGroup.SetAcceptInput(ETrue); |
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144 |
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145 // Show all the controls of the group. |
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146 for(TInt i = 0; i < aGroup.Count(); ++i) |
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147 { |
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148 aGroup.Control(i).ShowL(*iData->iDisplay); |
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149 } |
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150 |
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151 // Bind the control group to the correct display. |
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152 aGroup.BindDisplay(iData->iDisplay); |
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153 |
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154 // Show on the server side |
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155 TInt err = |
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156 iData->iDisplay->Env().Client().RosterShow( |
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157 aGroup.Identifier(), |
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158 aWhere, |
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159 iData->iDisplay->ServerHandle() ); |
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160 |
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161 // hide on error |
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162 if ( err != KErrNone ) |
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163 { |
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164 // There is no window group ID if we are not running this from a |
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165 // Symbian application. Therefore the roster::show returns an error. |
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166 // -> only concider this to be an error if the CCoeEnv is present. |
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167 if ( err == KErrNotFound && !CCoeEnv::Static() ) |
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168 { |
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169 __ALFLOGSTRING1( "CAlfRoster::ShowL ignore error %d (no CCoeEnv)", err ) |
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170 return; |
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171 } |
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172 |
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173 // Hide all the controls of the group. |
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174 for(TInt i = 0; i < aGroup.Count(); ++i) |
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175 { |
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176 aGroup.Control(i).Hide(*iData->iDisplay); |
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177 } |
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178 |
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179 // Unbind the control group from the display. |
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180 aGroup.BindDisplay(NULL); |
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181 |
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182 __ALFLOGSTRING1( "CAlfRoster::ShowL leave error %d", err ) |
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183 User::Leave( err ); |
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184 } |
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185 |
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186 // Notify control group order changed observers about changed control group order |
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187 NotifyControlGroupOrderChangedObservers(); |
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188 } |
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189 |
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190 // --------------------------------------------------------------------------- |
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191 // Hides given control group |
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192 // --------------------------------------------------------------------------- |
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193 // |
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194 EXPORT_C void CAlfRoster::Hide(CAlfControlGroup& aGroup) |
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195 { |
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196 // Hide on the server side |
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197 TInt err = |
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198 iData->iDisplay->Env().Client().RosterHide( |
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199 aGroup.Identifier(), |
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200 iData->iDisplay->ServerHandle() ); |
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201 |
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202 if ( err != KErrNone ) |
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203 { |
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204 __ALFLOGSTRING1( "CAlfRoster::Hide panic error %d", err ) |
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205 USER_INVARIANT(); |
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206 } |
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207 |
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208 // Hide all the controls of the group. |
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209 for(TInt i = 0; i < aGroup.Count(); ++i) |
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210 { |
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211 aGroup.Control(i).Hide(*iData->iDisplay); |
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212 } |
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213 |
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214 // Unbind the control group from the display. |
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215 aGroup.BindDisplay(NULL); |
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216 |
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217 // Investigate whether control group was shown |
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218 TBool wasShown = (Find(aGroup) == KErrNotFound) ? EFalse : ETrue; |
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219 |
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220 Remove(&aGroup); |
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221 |
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222 // Notify control group order changed observers about changed control group order |
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223 // if control group was shown before. |
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224 if(wasShown) |
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225 { |
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226 NotifyControlGroupOrderChangedObservers(); |
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227 } |
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228 } |
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229 |
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230 // --------------------------------------------------------------------------- |
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231 // Returns index of the given group |
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232 // --------------------------------------------------------------------------- |
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233 // |
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234 EXPORT_C TInt CAlfRoster::Find(const CAlfControlGroup& aGroup) const |
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235 { |
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236 return iData->iEntries.Find( &aGroup ); |
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237 } |
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238 |
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239 // --------------------------------------------------------------------------- |
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240 // Removes group |
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241 // --------------------------------------------------------------------------- |
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242 // |
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243 void CAlfRoster::Remove(CAlfControlGroup* aGroup) |
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244 { |
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245 if ( aGroup ) |
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246 { |
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247 TInt index = Find(*aGroup); |
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248 if(index != KErrNotFound) |
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249 { |
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250 iData->iEntries.Remove(index); |
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251 } |
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252 } |
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253 } |
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254 |
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255 // --------------------------------------------------------------------------- |
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256 // Number of control groups |
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257 // --------------------------------------------------------------------------- |
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258 // |
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259 EXPORT_C TInt CAlfRoster::Count() const |
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260 { |
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261 return iData->iEntries.Count(); |
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262 } |
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263 |
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264 // --------------------------------------------------------------------------- |
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265 // Moves group. |
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266 // --------------------------------------------------------------------------- |
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267 // |
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268 TBool CAlfRoster::Move(CAlfControlGroup& aGroup, TInt aPos) |
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269 { |
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270 TInt index = Find(aGroup); |
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271 TInt k = 0; |
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272 |
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273 if(index != KErrNotFound && index != aPos) |
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274 { |
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275 CAlfControlGroup* moving = iData->iEntries[index]; |
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276 |
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277 if(aPos > index) |
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278 { |
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279 for(k = index; k < aPos; ++k) |
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280 { |
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281 iData->iEntries[k] = iData->iEntries[k + 1]; |
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282 } |
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283 } |
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284 else |
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285 { |
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286 for(k = index; k > aPos; --k) |
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287 { |
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288 iData->iEntries[k] = iData->iEntries[k - 1]; |
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289 } |
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290 } |
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291 iData->iEntries[aPos] = moving; |
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292 return ETrue; |
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293 } |
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294 return EFalse; |
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295 } |
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296 |
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297 // --------------------------------------------------------------------------- |
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298 // Appends new group |
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299 // --------------------------------------------------------------------------- |
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300 // |
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301 void CAlfRoster::AppendL(CAlfControlGroup& aGroup) |
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302 { |
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303 User::LeaveIfError(iData->iEntries.Append(&aGroup)); |
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304 } |
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305 |
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306 // --------------------------------------------------------------------------- |
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307 // Inserts new group |
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308 // --------------------------------------------------------------------------- |
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309 // |
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310 void CAlfRoster::InsertL(CAlfControlGroup& aGroup, TInt aPos) |
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311 { |
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312 if(Find(aGroup) != KErrNotFound) |
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313 { |
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314 User::Leave(KErrAlreadyExists); |
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315 } |
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316 |
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317 User::LeaveIfError(iData->iEntries.Insert(&aGroup, aPos)); |
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318 } |
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319 |
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320 // --------------------------------------------------------------------------- |
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321 // Handles received event |
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322 // --------------------------------------------------------------------------- |
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323 // |
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324 TBool CAlfRoster::HandleEventL(const TAlfEvent& aEvent) |
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325 { |
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326 TInt i = 0; |
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327 TInt k = 0; |
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328 |
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329 if(iData->iDisplay) |
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330 { |
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331 iData->iDisplay->Env().ContinueRefresh(); |
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332 } |
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333 |
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334 if(aEvent.IsPointerEvent()) |
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335 { |
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336 // The order pointer events are offered in depends on the visuals. |
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337 |
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338 for(i = iData->iEntries.Count() - 1; i >= 0; --i) |
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339 { |
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340 CAlfControlGroup& group = *iData->iEntries[i]; |
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341 |
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342 if(!group.AcceptInput()) |
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343 { |
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344 // The group will not be receiving input events. |
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345 continue; |
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346 } |
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347 |
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348 for(k = group.Count() - 1; k >= 0; --k) |
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349 { |
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350 CAlfControl& control = group.Control(k); |
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351 if(control.HitTest(aEvent.PointerEvent().iPosition)) |
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352 { |
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353 if(control.OfferEventL(aEvent)) |
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354 { |
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355 // The event was consumed, now it can't be handled by |
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356 // anyone else. |
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357 return ETrue; |
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358 } |
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359 } |
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360 } |
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361 } |
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362 } |
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363 else |
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364 { |
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365 // First offer to the input control. |
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366 if(aEvent.IsKeyEvent() && iData->iInputFocus && iData->iInputFocus->AcceptInput()) |
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367 { |
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368 // check if the focus control has a host |
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369 CAlfControl* focusRoot = iData->iInputFocus; |
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370 while ( focusRoot->Host() ) |
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371 { |
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372 focusRoot = focusRoot->Host(); |
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373 } |
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374 |
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375 if(focusRoot->OfferEventL(aEvent)) |
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376 { |
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377 return ETrue; |
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378 } |
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379 } |
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380 |
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381 // Iterate through the groups and controls in priority order. |
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382 for(i = iData->iEntries.Count() - 1; i >= 0; --i) |
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383 { |
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384 CAlfControlGroup& group = *iData->iEntries[i]; |
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385 |
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386 if(!group.AcceptInput()) |
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387 { |
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388 // The group will not be receiving input events. |
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389 continue; |
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390 } |
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391 |
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392 for(k = 0 ; k < group.Count() ; k++ ) |
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393 { |
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394 CAlfControl& control = group.Control(k); |
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395 if(control.OfferEventL(aEvent)) |
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396 { |
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397 // The event was consumed, now it can't be handled by |
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398 // anyone else. |
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399 return ETrue; |
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400 } |
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401 } |
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402 // Notify observer that group didn't handle event? |
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403 } |
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404 } |
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405 |
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406 return EFalse; |
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407 } |
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408 |
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409 // --------------------------------------------------------------------------- |
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410 // |
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411 // --------------------------------------------------------------------------- |
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412 // |
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413 EXPORT_C CAlfControlGroup& CAlfRoster::ControlGroup(TInt aIndex) const |
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414 { |
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415 return *iData->iEntries[aIndex]; |
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416 } |
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417 |
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418 // --------------------------------------------------------------------------- |
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419 // |
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420 // --------------------------------------------------------------------------- |
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421 // |
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422 EXPORT_C CAlfControl* CAlfRoster::FindControl(TInt aControlId) const |
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423 { |
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424 for(TInt i = 0; i < iData->iEntries.Count(); ++i) |
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425 { |
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426 CAlfControl* control = |
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427 iData->iEntries[i]->FindControl(aControlId); |
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428 if(control) |
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429 { |
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430 return control; |
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431 } |
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432 } |
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433 return NULL; |
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434 } |
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435 |
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436 // --------------------------------------------------------------------------- |
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437 // |
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438 // --------------------------------------------------------------------------- |
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439 // |
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440 EXPORT_C void CAlfRoster::SetFocus(CAlfControl& aControl) |
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441 { |
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442 TRAP_IGNORE(ShowL( *aControl.ControlGroup(), KAlfRosterShowAtTop)) |
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443 |
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444 // Something needs to change if these are not the same |
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445 if ( &aControl != iData->iInputFocus ) |
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446 { |
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447 ChangeInputFocus( &aControl ); |
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448 } |
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449 } |
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450 |
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451 // --------------------------------------------------------------------------- |
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452 // Clears the input focus so that no control has focus. |
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453 // No change is implied for the visibility of the control group |
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454 // --------------------------------------------------------------------------- |
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455 // |
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456 EXPORT_C void CAlfRoster::ClearFocus() |
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457 { |
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458 // Only do something if not cleared already |
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459 if ( iData->iInputFocus != NULL ) |
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460 { |
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461 ChangeInputFocus(NULL); |
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462 } |
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463 } |
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464 |
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465 // --------------------------------------------------------------------------- |
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466 // The main job of this routine is to change iData->iInputFocus, and perform the |
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467 // necessary co-ordinated activities. This should be the only place to change this |
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468 // member datum. |
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469 // --------------------------------------------------------------------------- |
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470 // |
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471 void CAlfRoster::ChangeInputFocus( CAlfControl* aControl ) |
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472 { |
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473 // This method will always do something except when both old value and new are NULL |
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474 // If they are non-null and identical, then focus will be removed and then re-applied. |
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475 // That is, any optimizations need to be done by the caller. |
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476 |
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477 // The policy of whether focus is altered in the AlfControl is maintained uniformly by storing the cone focus |
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478 // state at the beginning of the routine |
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479 // Current implementation is for one display/roster. If multiple displays added then this will have to be reconsidered |
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480 TBool displayIsInitiallyFocused = iData->iDisplay ? iData->iDisplay->IsFocused() : EFalse; |
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481 |
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482 // There can be a latent focus only if display is unfocused. |
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483 TBool latentFocus = ((iData->iInputFocus != NULL) && (!iData->iInputFocus->Focus())); |
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484 __ASSERT_DEBUG((latentFocus ? !displayIsInitiallyFocused : ETrue), User::Panic(_L("UIAcceltkClient"), EAlfRosterPanicFocusAnomaly)); |
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485 |
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486 CAlfControl* oldFocusedControl = iData->iInputFocus; |
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487 |
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488 // Remove focus from the currently focused control |
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489 if ( iData->iInputFocus ) |
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490 { |
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491 // Remove focus from the control |
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492 // Only need to change actual focus if the roster is focused |
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493 if ( displayIsInitiallyFocused ) |
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494 { |
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495 // This control should be focused at the moment or then there is a latent focus that we are manipulating. |
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496 __ASSERT_DEBUG( iData->iInputFocus->Focus(), User::Panic(_L("UIAcceltkClient"),EAlfRosterPanicFocusAnomaly )); |
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497 |
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498 CAlfDisplay* display = iData->iInputFocus->Display(); |
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499 if ( display ) |
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500 { |
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501 // SetFocus should cause the control to perform any required changes its visuals. |
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502 iData->iInputFocus->SetFocus( *display, EFalse); |
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503 } |
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504 } |
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505 |
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506 // Still change the iInputFocus even if actual focus has not been removed |
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507 if ( !aControl ) |
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508 { |
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509 iData->iInputFocus = NULL; |
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510 } |
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511 } |
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512 |
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513 if ( aControl ) |
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514 { |
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515 // Check that the control switched to is in this Roster. Ignore it if not. |
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516 CAlfControl* control = FindControl(aControl->Id()); |
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517 if( control == aControl ) |
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518 { |
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519 iData->iInputFocus = aControl; |
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520 // This control should not be focused at the moment |
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521 __ASSERT_DEBUG( !(iData->iInputFocus->Focus()), User::Panic(_L("UIAcceltkClient"),EAlfRosterPanicFocusAnomaly )); |
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522 |
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523 // Only manipulate actual focus if the roster is focused |
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524 if ( displayIsInitiallyFocused ) |
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525 { |
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526 CAlfDisplay* display2 = iData->iInputFocus->Display(); |
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527 if ( display2 ) |
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528 { |
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529 iData->iInputFocus->SetFocus( *display2, ETrue); |
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530 } |
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531 } |
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532 } |
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533 } |
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534 |
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535 ReportHostsAboutChangingInputFocus( oldFocusedControl, aControl ); |
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536 } |
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537 |
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538 // --------------------------------------------------------------------------- |
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539 // Inform host containers for the change |
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540 // --------------------------------------------------------------------------- |
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541 // |
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542 void CAlfRoster::ReportHostsAboutChangingInputFocus( |
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543 CAlfControl* aOldFocusControl, |
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544 CAlfControl* aNewFocusControl ) |
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545 { |
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546 // collect new focused control host tree |
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547 RPointerArray<CAlfControl> gainingHostControls; |
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548 if ( aNewFocusControl ) |
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549 { |
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550 CAlfControl* hostTmp = aNewFocusControl->Host(); |
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551 while ( hostTmp ) |
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552 { |
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553 (void)gainingHostControls.Append( hostTmp ); |
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554 hostTmp = hostTmp->Host(); |
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555 } |
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556 } |
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557 |
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558 // Go through the hosts |
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559 // 1. starting from the losing leaf host |
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560 // 2. continue to the losing root or combined host |
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561 // 3. start from the gaining root or combined host |
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562 // 4. end to the gaining leaf host |
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563 |
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564 TInt combinedIndex = KErrNotFound; |
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565 // 1 |
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566 if ( aOldFocusControl ) |
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567 { |
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568 CAlfControl* losingHostTmp = aOldFocusControl->Host(); |
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569 while ( losingHostTmp && (combinedIndex == KErrNotFound ) ) // 2 |
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570 { |
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571 combinedIndex = gainingHostControls.Find( losingHostTmp ); |
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572 if ( combinedIndex == KErrNotFound ) |
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573 { |
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574 losingHostTmp->FocusChainChanged( EFalse ); |
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575 losingHostTmp = losingHostTmp->Host(); |
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576 } |
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577 } |
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578 } |
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579 |
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580 // 3 |
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581 TInt gainingStartIndex = gainingHostControls.Count() - 1; |
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582 if ( combinedIndex != KErrNotFound ) |
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583 { |
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584 gainingStartIndex = combinedIndex - 1; // If we want to inform the combined host, remove the '-1' |
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585 } |
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586 |
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587 if ( gainingStartIndex >= 0 ) |
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588 { |
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589 for ( TInt gainingHostIndex = gainingStartIndex ; gainingHostIndex >= 0 ; gainingHostIndex-- ) // 4 |
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590 { |
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591 gainingHostControls[gainingHostIndex]->FocusChainChanged( ETrue ); |
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592 } |
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593 } |
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594 |
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595 gainingHostControls.Close(); |
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596 } |
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597 |
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598 // --------------------------------------------------------------------------- |
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599 // Notifies registered control group order changed observers about changed |
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600 // order in control group relative order. |
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601 // --------------------------------------------------------------------------- |
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602 // |
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603 void CAlfRoster::NotifyControlGroupOrderChangedObservers() |
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604 { |
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605 for(TInt i = 0; i < iData->iControlGroupOrderChangedObservers.Count(); i++) |
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606 { |
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607 iData->iControlGroupOrderChangedObservers[i]->NotifyControlGroupOrderChanged(); |
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608 } |
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609 } |
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610 |
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611 // --------------------------------------------------------------------------- |
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612 // |
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613 // --------------------------------------------------------------------------- |
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614 // |
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615 EXPORT_C void CAlfRoster::ShowVisualL(CAlfVisual& aVisual) |
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616 { |
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617 TInt err = |
|
618 iData->iDisplay->Env().Client().RosterShowVisual( |
|
619 aVisual.Identifier(), |
|
620 iData->iDisplay->ServerHandle() ); |
|
621 |
|
622 if ( err != KErrNone ) |
|
623 { |
|
624 __ALFLOGSTRING1( "CAlfRoster::ShowVisualL leave error %d", err ) |
|
625 User::Leave( err ); |
|
626 } |
|
627 } |
|
628 |
|
629 // --------------------------------------------------------------------------- |
|
630 // |
|
631 // --------------------------------------------------------------------------- |
|
632 // |
|
633 EXPORT_C void CAlfRoster::HideVisual(CAlfVisual& aVisual) |
|
634 { |
|
635 TInt err = |
|
636 iData->iDisplay->Env().Client().RosterHideVisual( |
|
637 aVisual.Identifier(), |
|
638 iData->iDisplay->ServerHandle() ); |
|
639 |
|
640 if ( err != KErrNone ) |
|
641 { |
|
642 __ALFLOGSTRING1( "CAlfRoster::HideVisual ignore error %d", err ) |
|
643 } |
|
644 } |
|
645 |
|
646 // --------------------------------------------------------------------------- |
|
647 // |
|
648 // --------------------------------------------------------------------------- |
|
649 // |
|
650 EXPORT_C void CAlfRoster::MoveVisualToFront(CAlfVisual& aRootVisual) |
|
651 { |
|
652 TInt err = |
|
653 iData->iDisplay->Env().Client().RosterMoveVisualToFront( |
|
654 aRootVisual.Identifier(), |
|
655 iData->iDisplay->ServerHandle() ); |
|
656 |
|
657 if ( err != KErrNone ) |
|
658 { |
|
659 __ALFLOGSTRING1( "CAlfRoster::MoveVisualToFront ignore error %d", err ) |
|
660 } |
|
661 } |
|
662 |
|
663 // --------------------------------------------------------------------------- |
|
664 // Adds a pointer event observer |
|
665 // --------------------------------------------------------------------------- |
|
666 // |
|
667 EXPORT_C TInt CAlfRoster::AddPointerEventObserver( |
|
668 TAlfPointerEventFlags aObserver, |
|
669 CAlfControl& aControl ) |
|
670 { |
|
671 switch ( aObserver ) |
|
672 { |
|
673 case EAlfPointerEventReportDrag: |
|
674 case EAlfPointerEventReportLongTap: |
|
675 case EAlfPointerEventReportUnhandled: |
|
676 break; |
|
677 default: |
|
678 USER_INVARIANT(); |
|
679 break; |
|
680 } |
|
681 |
|
682 TInt err = |
|
683 iData->iDisplay->Env().Client().RosterAddPointerEventObserver( |
|
684 aObserver, |
|
685 aControl.Identifier(), |
|
686 iData->iDisplay->ServerHandle() ); |
|
687 |
|
688 return err; |
|
689 } |
|
690 |
|
691 // --------------------------------------------------------------------------- |
|
692 // Removes a pointer event observer |
|
693 // --------------------------------------------------------------------------- |
|
694 // |
|
695 EXPORT_C TInt CAlfRoster::RemovePointerEventObserver( |
|
696 TAlfPointerEventFlags aObserver, |
|
697 CAlfControl& aControl ) |
|
698 { |
|
699 switch ( aObserver ) |
|
700 { |
|
701 case EAlfPointerEventReportDrag: |
|
702 case EAlfPointerEventReportLongTap: |
|
703 case EAlfPointerEventReportUnhandled: |
|
704 break; |
|
705 default: |
|
706 USER_INVARIANT(); |
|
707 break; |
|
708 } |
|
709 |
|
710 TInt err = |
|
711 iData->iDisplay->Env().Client().RosterRemovePointerEventObserver( |
|
712 aObserver, |
|
713 aControl.Identifier(), |
|
714 iData->iDisplay->ServerHandle() ); |
|
715 |
|
716 return err; |
|
717 } |
|
718 |
|
719 // --------------------------------------------------------------------------- |
|
720 // Sets pointer event observer flags. |
|
721 // --------------------------------------------------------------------------- |
|
722 // |
|
723 EXPORT_C TInt CAlfRoster::SetPointerEventObservers( |
|
724 TUint aPointerEventFlags, |
|
725 CAlfControl& aControl ) |
|
726 { |
|
727 TInt err = |
|
728 iData->iDisplay->Env().Client().RosterSetPointerEventObservers( |
|
729 aPointerEventFlags, |
|
730 aControl.Identifier(), |
|
731 iData->iDisplay->ServerHandle() ); |
|
732 |
|
733 return err; |
|
734 } |
|
735 |
|
736 void CAlfRoster::DisplayFocusChanged( CAlfDisplay& aDisplay, TBool aNewFocus ) |
|
737 { |
|
738 // This method should only be called during a real transition of display focus. If there is a |
|
739 // roster focused control then alter it's focus state. |
|
740 if ( iData->iInputFocus ) |
|
741 { |
|
742 iData->iInputFocus->SetFocus( aDisplay, aNewFocus ); |
|
743 |
|
744 if (aNewFocus) |
|
745 { |
|
746 ReportHostsAboutChangingInputFocus( NULL, iData->iInputFocus ); |
|
747 } |
|
748 else |
|
749 { |
|
750 ReportHostsAboutChangingInputFocus( iData->iInputFocus, NULL ); |
|
751 } |
|
752 |
|
753 } |
|
754 } |
|
755 |
|
756 CAlfControl* CAlfRoster::FocusedControl() const |
|
757 { |
|
758 return iData->iInputFocus; |
|
759 } |
|
760 |
|
761 EXPORT_C TInt CAlfRoster::SetPointerDragThreshold(const CAlfControl& aControl, const TAlfXYMetric& aXYMetric) |
|
762 { |
|
763 TInt err = |
|
764 iData->iDisplay->Env().Client().RosterSetPointerDragTreshold( |
|
765 aControl.Identifier(), |
|
766 aXYMetric, |
|
767 iData->iDisplay->ServerHandle() ); |
|
768 |
|
769 return err; |
|
770 } |
|
771 |
|
772 EXPORT_C TInt CAlfRoster::DisableLongTapEventsWhenDragging(const CAlfControl& aControl, TBool aDisable) |
|
773 { |
|
774 TInt err = |
|
775 iData->iDisplay->Env().Client().RosterDisableLongTapEventsWhenDragging( |
|
776 aControl.Identifier(), |
|
777 aDisable, |
|
778 iData->iDisplay->ServerHandle() ); |
|
779 |
|
780 return err; |
|
781 } |
|
782 |
|
783 // --------------------------------------------------------------------------- |
|
784 // Adds a control group order change observer into the observers array. |
|
785 // --------------------------------------------------------------------------- |
|
786 // |
|
787 EXPORT_C void CAlfRoster::AddControlGroupOrderChangedObserverL(MAlfControlGroupOrderChangedObserver& aObserver) |
|
788 { |
|
789 if(iData->iControlGroupOrderChangedObservers.Find(&aObserver) != KErrNotFound) |
|
790 { |
|
791 return; |
|
792 } |
|
793 iData->iControlGroupOrderChangedObservers.AppendL(&aObserver); |
|
794 } |
|
795 |
|
796 // --------------------------------------------------------------------------- |
|
797 // Removes a control group order change observer from the observers array. |
|
798 // --------------------------------------------------------------------------- |
|
799 // |
|
800 EXPORT_C void CAlfRoster::RemoveControlGroupOrderChangedObserver(MAlfControlGroupOrderChangedObserver& aObserver) |
|
801 { |
|
802 TInt index = iData->iControlGroupOrderChangedObservers.Find(&aObserver); |
|
803 if(index != KErrNotFound) |
|
804 { |
|
805 iData->iControlGroupOrderChangedObservers.Remove(index); |
|
806 } |
|
807 } |