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1 /* |
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2 * Copyright (c) 2007-2009 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: This is the actual Client API implementation. |
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15 * Part of: Tactile Feedback. |
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16 * |
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17 */ |
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18 |
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19 #include <eikenv.h> |
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20 #include <coecntrl.h> |
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21 #include <featmgr.h> |
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22 #include <aknutils.h> |
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23 #include <tactilefeedbacktrace.h> |
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24 #include <touchfeedbackspec.h> |
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25 |
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26 #include "touchfeedbackimpl.h" |
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27 #include "touchfeedbackclient.h" |
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28 #include "touchfeedbackregistry.h" |
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29 #include "touchfeedbackclientpanic.h" |
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30 |
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31 /** |
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32 * This is the maximum number that can be used as feedback area identifier. |
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33 * after this the values starting from 1 are taken into use again when |
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34 * new areas are added. This also defines the maximum number of feedback |
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35 * areas that one application can have. |
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36 */ |
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37 const TInt KTouchMaxFeedbackAreaIdentifier = 5000; |
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38 |
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39 |
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40 // ======== LOCAL FUNCTIONS ======== |
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41 |
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42 // --------------------------------------------------------------------------- |
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43 // Cleanup items for removing latest item from the given array. These are used |
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44 // for cleanup in case something leaves when we are adding new area |
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45 // to the registry. |
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46 // --------------------------------------------------------------------------- |
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47 // |
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48 void CleanupCacheArray( TAny* aPtr ) |
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49 { |
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50 RArray<TControlCacheEntry>* array = |
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51 static_cast<RArray<TControlCacheEntry>*> ( aPtr ); |
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52 |
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53 TInt index = array->Count() - 1; |
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54 |
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55 // If we are removing control from cache, then we have to clean the |
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56 // associated area array also, or otherwise there will be a memory leak. |
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57 (*array)[index].iAreaArray.Reset(); |
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58 (*array)[index].iAreaArray.Close(); |
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59 |
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60 array->Remove( array->Count()-1 ); |
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61 } |
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62 |
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63 // --------------------------------------------------------------------------- |
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64 // |
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65 // --------------------------------------------------------------------------- |
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66 // |
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67 void CleanupAreaArray( TAny* aPtr ) |
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68 { |
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69 RArray<TAreaIndexEntry>* array = |
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70 static_cast<RArray<TAreaIndexEntry>*> ( aPtr ); |
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71 |
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72 array->Remove( array->Count()-1 ); |
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73 } |
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74 |
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75 |
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76 // ======== MEMBER FUNCTIONS ======== |
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77 |
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78 // --------------------------------------------------------------------------- |
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79 // Constructor. |
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80 // --------------------------------------------------------------------------- |
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81 // |
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82 CTouchFeedbackImpl::CTouchFeedbackImpl() : |
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83 iAudioEnabledForThisApp( ETrue ), |
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84 iVibraEnabledForThisApp( ETrue ) |
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85 { |
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86 } |
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87 |
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88 // --------------------------------------------------------------------------- |
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89 // We check first if Tactile Feedback feature is supported in this device |
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90 // and only construct the iClient -member in case needed. We thus use |
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91 // the existence of iClient as feature check in other API functions. |
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92 // |
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93 // This also means that iClient member needs to be checked in all the API |
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94 // functions, so that we won't cause a KERN-EXEC 3 by trying to access |
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95 // a NULL pointer in case the feature is disabled. |
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96 // --------------------------------------------------------------------------- |
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97 // |
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98 void CTouchFeedbackImpl::ConstructL() |
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99 { |
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100 TRACE("CTouchFeedbackImpl::ConstructL - Begin"); |
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101 |
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102 // Check if the whole Tactile Feedback feature is supported or not |
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103 |
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104 // Initialize feature manager, just in case we happen to be the first |
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105 // one using it in this thread. |
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106 FeatureManager::InitializeLibL(); |
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107 |
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108 TBool featureSupported = |
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109 FeatureManager::FeatureSupported( KFeatureIdTactileFeedback ); |
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110 |
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111 // We don't need feature manager anymore, as it is not possible |
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112 // to change this feature on/off at run-time |
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113 FeatureManager::UnInitializeLib(); |
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114 |
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115 // Only create client in case feature is supported |
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116 if ( featureSupported ) |
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117 { |
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118 iClient = CTouchFeedbackClient::NewL( *this ); |
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119 } |
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120 else |
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121 { |
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122 TRACE("Tactile Feedback feature is not supported"); |
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123 } |
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124 |
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125 // Check if pen usage is enabled. We use this information later for |
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126 // disabling area registry -based feedback in case pen usage is not |
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127 // enabled. |
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128 iPenEnabled = AknLayoutUtils::PenEnabled(); |
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129 |
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130 TRACE3("CTouchFeedbackImpl::ConstructL - End, feature supported = %d, pen Enabled: %d", featureSupported, iPenEnabled); |
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131 } |
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132 |
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133 // --------------------------------------------------------------------------- |
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134 // We cannot afford to leave here (at least for the moment), because |
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135 // in that case the whole system won't boot up. Constructing of the |
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136 // client (in ConstructL) will fail if click plugin is not configured in |
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137 // WSINI.INI file, and that can happen very easily at least in the beginning |
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138 // when this is a new feature. Thus we TRAP any leaves here. |
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139 // |
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140 // This also means that iClient member needs to be checked in all the API |
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141 // functions. We will also use this for recognizing the situation when |
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142 // touch feedback is not supported (in that case we won't even try to |
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143 // instantiate the client). |
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144 // --------------------------------------------------------------------------- |
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145 // |
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146 CTouchFeedbackImpl* CTouchFeedbackImpl::New() |
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147 { |
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148 CTouchFeedbackImpl* self = new CTouchFeedbackImpl; |
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149 if ( self ) |
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150 { |
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151 TRAP_IGNORE( self->ConstructL() ); |
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152 } |
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153 return self; |
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154 } |
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155 |
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156 // --------------------------------------------------------------------------- |
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157 // Destructor. |
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158 // --------------------------------------------------------------------------- |
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159 // |
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160 CTouchFeedbackImpl::~CTouchFeedbackImpl() |
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161 { |
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162 TRACE("CTouchFeedbackImpl::~CTouchFeedbackImpl"); |
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163 |
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164 delete iClient; |
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165 |
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166 TInt i = 0; |
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167 |
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168 for ( i=0; i < iRegistryArray.Count(); i++ ) |
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169 { |
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170 delete iRegistryArray[i]; |
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171 } |
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172 |
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173 for ( i=iControlCache.Count()-1; i >= 0; i-- ) |
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174 { |
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175 RemoveControlFromCache( i ); |
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176 } |
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177 |
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178 iRegistryArray.Close(); |
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179 iControlCache.Close(); |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // We return ETrue if iClient exist, because instantiation of the client is |
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184 // not done in case the feature is not enabled. And on the other hand if |
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185 // instantiation of client fails, then using of feedback is not possible |
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186 // anyway. |
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187 // --------------------------------------------------------------------------- |
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188 // |
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189 TBool CTouchFeedbackImpl::TouchFeedbackSupported() |
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190 { |
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191 if ( iClient ) |
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192 { |
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193 return ETrue; |
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194 } |
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195 else |
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196 { |
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197 return EFalse; |
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198 } |
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199 } |
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200 |
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201 // --------------------------------------------------------------------------- |
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202 // Store the current status of feedback for this application, and |
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203 // notify server of the change. |
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204 // --------------------------------------------------------------------------- |
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205 // |
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206 void CTouchFeedbackImpl::SetFeedbackEnabledForThisApp( TBool aEnabled ) |
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207 { |
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208 TRACE2( "CTouchFeedbackImpl::SetFeedbackEnabledForThisApp %d", aEnabled ); |
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209 |
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210 // Only notify server when enabled value really changes. |
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211 if ( iClient && |
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212 (( aEnabled != iAudioEnabledForThisApp ) || |
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213 (aEnabled != iVibraEnabledForThisApp ) )) |
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214 { |
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215 iClient->RegistryChanged(); |
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216 } |
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217 |
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218 iAudioEnabledForThisApp = aEnabled; |
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219 iVibraEnabledForThisApp = aEnabled; |
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220 } |
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221 |
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222 // --------------------------------------------------------------------------- |
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223 // Here we just return the current status. |
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224 // --------------------------------------------------------------------------- |
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225 // |
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226 TBool CTouchFeedbackImpl::FeedbackEnabledForThisApp() |
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227 { |
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228 return iAudioEnabledForThisApp || iVibraEnabledForThisApp; |
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229 } |
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230 |
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231 // --------------------------------------------------------------------------- |
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232 // This functions main purpose is to do all possible parameter checks to |
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233 // the arguments before actually setting the area. |
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234 // |
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235 // #1 Check that feedback is enabled |
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236 // #2 Check that we weren't given a NULL pointer as control. |
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237 // #3 Check that feedback type and pointer event are supported |
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238 // #4 Check that we can generate a client handle from the control |
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239 // (if not, then there is something wrong with given control) |
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240 // #5 Call overridden method SetFeedbackArea for actually setting the |
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241 // feedback area. |
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242 // --------------------------------------------------------------------------- |
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243 // |
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244 TInt CTouchFeedbackImpl::SetFeedbackArea( |
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245 const CCoeControl* aControl, |
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246 TUint32 aIndex, |
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247 TRect aRect, |
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248 TTouchLogicalFeedback aFeedbackType, |
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249 TTouchEventType aEventType ) |
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250 { |
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251 TRACE("CTouchFeedbackImpl::SetFeedbackArea - Begin"); |
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252 |
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253 // #1 |
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254 if ( !iClient ) |
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255 { |
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256 return KErrNone; |
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257 } |
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258 |
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259 // #2 |
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260 if ( !aControl ) |
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261 { |
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262 TRACE("CTouchFeedbackImpl::SetFeedbackArea - Err: NULL Control"); |
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263 return KErrArgument; |
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264 } |
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265 |
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266 // #3 |
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267 if ( aFeedbackType > ETouchFeedbackSensitive || |
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268 ( aEventType!= ETouchEventStylusDown ) ) |
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269 { |
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270 TRACE("CTouchFeedbackImpl::SetFeedbackArea - Err: Unsupported params"); |
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271 return KErrNotSupported; |
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272 } |
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273 |
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274 // #4 |
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275 TUint32 clientHandle = ClientHandle( aControl ); |
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276 |
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277 if ( !clientHandle ) |
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278 { |
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279 TRACE("CTouchFeedbackImpl::SetFeedbackArea - Err: Invalid Control"); |
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280 return KErrArgument; |
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281 } |
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282 |
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283 // #5 |
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284 TInt err(KErrGeneral); |
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285 CFeedbackSpec* spec = CFeedbackSpec::New(); |
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286 if (spec) |
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287 { |
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288 spec->AddFeedback(aEventType, aFeedbackType); |
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289 err = SetFeedbackArea(aControl, aIndex, aRect, spec); |
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290 delete spec; |
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291 spec = NULL; |
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292 } |
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293 |
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294 TRACE2("CTouchFeedbackImpl::SetFeedbackArea - End, err = %d", err ); |
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295 return err; |
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296 } |
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297 |
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298 // --------------------------------------------------------------------------- |
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299 // Here we remove the given area from registry. |
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300 // |
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301 // We still keep the control in the registry even if would have no areas, |
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302 // because otherwise we'll lose feedback disabled/enabled information. |
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303 // |
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304 // #1 First check that given area is actually found |
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305 // #2 Find corresponsing registry entry |
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306 // #3 Remove feedback area entry from control cache |
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307 // #4 Finally remove the actual area from registry, and notify server |
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308 // --------------------------------------------------------------------------- |
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309 // |
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310 void CTouchFeedbackImpl::RemoveFeedbackArea( |
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311 const CCoeControl* aControl, |
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312 TUint32 aIndex ) |
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313 { |
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314 TRACE3( "CTouchFeedbackImpl::RemoveFeedbackArea: 0x%x, %d", aControl, aIndex ); |
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315 |
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316 if ( iClient ) |
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317 { |
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318 TInt cacheIndex = KErrNotFound; |
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319 TInt areaIndex = KErrNotFound; |
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320 |
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321 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
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322 |
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323 // #1 Only do something in case the area was found |
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324 if ( cacheIndex >=0 && areaIndex >= 0 ) |
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325 { |
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326 // #2 |
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327 TInt registryIndex = FindWindowFromRegistry ( |
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328 iControlCache[cacheIndex].iClientHandle ); |
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329 |
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330 TInt areaId = |
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331 iControlCache[cacheIndex].iAreaArray[areaIndex].iAreaId; |
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332 |
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333 // #3 Remove this feedback area entry |
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334 iControlCache[cacheIndex].iAreaArray.Remove( areaIndex ); |
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335 |
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336 iNbOfFeedbackAreas--; |
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337 |
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338 // #4 Remove the area from registry |
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339 if ( registryIndex != KErrNotFound ) |
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340 { |
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341 iRegistryArray[registryIndex]->RemoveFeedbackArea( areaId ); |
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342 |
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343 iClient->RegistryChanged(); |
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344 } |
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345 } |
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346 } |
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347 } |
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348 |
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349 // --------------------------------------------------------------------------- |
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350 // Here we return all areas related to given control. |
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351 // |
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352 // #1 Only do something in case the control is found from cache |
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353 // #2 Find corresponding registry index. |
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354 // #3 Remove all feedback areas from the registry. |
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355 // #4 Remove the control from cache |
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356 // #5 Notify server, if some areas were really removed. |
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357 // --------------------------------------------------------------------------- |
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358 // |
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359 void CTouchFeedbackImpl::RemoveFeedbackForControl( |
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360 const CCoeControl* aControl ) |
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361 { |
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362 TRACE2("CTouchFeedbackImpl::RemoveFeedbackForControl: 0x%x", aControl); |
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363 |
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364 if ( iClient ) |
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365 { |
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366 TInt controlIndex = FindControlFromCache( aControl ); |
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367 |
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368 // #1 |
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369 if ( controlIndex >= 0 ) // If control was found |
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370 { |
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371 TBool changesMade = EFalse; |
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372 |
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373 TControlCacheEntry& entry( iControlCache[controlIndex] ); |
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374 |
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375 // #2 |
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376 TInt registryIndex = |
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377 FindWindowFromRegistry( entry.iClientHandle ); |
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378 |
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379 // #3 If registry entry was found, then remove all feedback |
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380 // areas. |
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381 if ( registryIndex >= 0) |
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382 { |
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383 for ( TInt i=0; i < entry.iAreaArray.Count(); i++ ) |
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384 { |
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385 iRegistryArray[registryIndex]-> |
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386 RemoveFeedbackArea( |
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387 entry.iAreaArray[i].iAreaId ); |
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388 |
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389 changesMade = ETrue; |
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390 |
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391 iNbOfFeedbackAreas--; |
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392 } |
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393 } |
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394 |
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395 // #4 Anyway remove controls feedback areas from cache |
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396 RemoveControlFromCache( controlIndex ); |
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397 |
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398 // #5 Notify server of changes |
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399 if ( changesMade ) |
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400 { |
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401 iClient->RegistryChanged(); |
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402 } |
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403 } |
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404 } |
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405 } |
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406 |
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407 // --------------------------------------------------------------------------- |
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408 // Here we change the rectangle of existing feedback area. |
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409 // |
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410 // #1 Only do something in case the area is really found. |
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411 // #2 Find corresponding registry entry |
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412 // #3 If the entry was found, then change the feedback area |
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413 // #4 Only notify the server when the area really changed |
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414 // --------------------------------------------------------------------------- |
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415 // |
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416 void CTouchFeedbackImpl::ChangeFeedbackArea( const CCoeControl* aControl, |
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417 TUint32 aIndex, |
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418 TRect aNewRect ) |
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419 { |
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420 TRACE( "CTouchFeedbackImpl::ChangeFeedbackArea: 0x%x" ); |
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421 |
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422 if ( iClient ) |
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423 { |
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424 TInt cacheIndex = KErrNotFound; |
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425 TInt areaIndex = KErrNotFound; |
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426 |
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427 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
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428 |
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429 // #1 |
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430 if ( cacheIndex >= 0 && areaIndex >= 0 ) |
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431 { |
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432 TInt id = |
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433 iControlCache[cacheIndex].iAreaArray[areaIndex].iAreaId; |
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434 |
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435 // #2 |
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436 TInt registryIndex = |
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437 FindWindowFromRegistry ( |
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438 iControlCache[cacheIndex].iClientHandle ); |
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439 |
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440 // #3 |
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441 if ( registryIndex != KErrNotFound ) |
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442 { |
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443 TBool changed = |
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444 iRegistryArray[registryIndex]->ChangeFeedbackArea( |
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445 id, |
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446 aNewRect ); |
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447 |
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448 // #4 Only send upates to server when something |
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449 // really changed. |
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450 if ( changed ) |
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451 { |
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452 iClient->RegistryChanged(); |
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453 } |
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454 } |
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455 } |
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456 } |
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457 } |
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458 |
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459 // --------------------------------------------------------------------------- |
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460 // Here we change the feedback type of existing feedback area. |
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461 // |
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462 // #1 Only do something in case the area is really found. |
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463 // #2 Find corresponding registry entry |
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464 // #3 If the entry was found, then change the feedback area |
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465 // #4 Only notify the server when the feedback type really changed |
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466 // --------------------------------------------------------------------------- |
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467 // |
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468 void CTouchFeedbackImpl::ChangeFeedbackType( const CCoeControl* aControl, |
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469 TUint32 aIndex, |
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470 TTouchLogicalFeedback aNewType ) |
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471 { |
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472 TRACE4("CTouchFeedbackImpl::ChangeFeedbackType: 0x%x, %d, %d", aControl, aIndex, aNewType); |
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473 |
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474 if ( iClient ) |
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475 { |
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476 TInt cacheIndex = KErrNotFound; |
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477 TInt areaIndex = KErrNotFound; |
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478 |
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479 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
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480 |
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481 // #1 |
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482 if ( cacheIndex >= 0 && areaIndex >= 0 ) |
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483 { |
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484 TInt id = iControlCache[cacheIndex].iAreaArray[areaIndex].iAreaId; |
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485 |
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486 // #2 |
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487 TInt registryIndex = |
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488 FindWindowFromRegistry ( |
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489 iControlCache[cacheIndex].iClientHandle ); |
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490 |
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491 // #3 |
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492 if ( registryIndex != KErrNotFound ) |
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493 { |
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494 TBool changed = |
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495 iRegistryArray[registryIndex]->ChangeFeedbackType( |
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496 id, |
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497 aNewType, |
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498 // Feedback type change for up event is not supported |
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499 // by this function. |
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500 static_cast<TTouchLogicalFeedback>( 0xFFFFFFFF ) ); |
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501 |
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502 // #4 Only send upates to server when something |
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503 // really changed. |
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504 if ( changed ) |
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505 { |
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506 iClient->RegistryChanged(); |
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507 } |
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508 } |
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509 } |
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510 } |
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511 } |
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512 |
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513 // --------------------------------------------------------------------------- |
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514 // Here we change move the given feedback area to first priority, so that |
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515 // it will be the topmost in its window. |
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516 // |
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517 // #1 Only do something in case the area is really found. |
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518 // #2 Find corresponding registry entry |
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519 // #3 If the entry was found, then change the feedback area |
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520 // #4 Only notify the server when the move was successfull |
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521 // --------------------------------------------------------------------------- |
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522 // |
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523 void CTouchFeedbackImpl::MoveFeedbackAreaToFirstPriority( |
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524 const CCoeControl* aControl, |
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525 TUint32 aIndex ) |
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526 { |
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527 if ( iClient ) |
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528 { |
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529 TInt cacheIndex = KErrNotFound; |
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530 TInt areaIndex = KErrNotFound; |
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531 |
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532 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
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533 |
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534 // #1 |
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535 if ( cacheIndex >= 0 && areaIndex >= 0 ) |
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536 { |
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537 TInt id = iControlCache[cacheIndex].iAreaArray[areaIndex].iAreaId; |
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538 |
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539 // #2 |
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540 TInt registryIndex = |
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541 FindWindowFromRegistry ( |
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542 iControlCache[cacheIndex].iClientHandle ); |
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543 |
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544 // #3 |
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545 if ( registryIndex != KErrNotFound ) |
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546 { |
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547 TInt err = |
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548 iRegistryArray[registryIndex]-> |
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549 MoveFeedbackAreaToFirstPriority( id ); |
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550 |
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551 // #4 |
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552 if ( err == KErrNone ) |
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553 { |
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554 TRACE3("CTouchFeedbackImpl::MoveFeedbackAreaToFirstPriority 0x%x, %d", aControl, aIndex); |
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555 iClient->RegistryChanged(); |
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556 } |
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557 } |
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558 } |
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559 } |
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560 } |
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561 |
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562 // --------------------------------------------------------------------------- |
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563 // Pass request to server in case feedback is enabled for this |
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564 // application. |
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565 // --------------------------------------------------------------------------- |
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566 // |
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567 void CTouchFeedbackImpl::InstantFeedback( TTouchLogicalFeedback aType ) |
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568 { |
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569 if ( iClient && ( iAudioEnabledForThisApp || iVibraEnabledForThisApp ) ) |
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570 { |
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571 TRACE2("CTouchFeedbackImpl::InstantFeedback %d", aType); |
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572 iClient->ImmediateFeedback( |
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573 aType, |
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574 iVibraEnabledForThisApp, |
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575 iAudioEnabledForThisApp ); |
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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 // In this overload we only play direct feedback if the feedback has |
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581 // not been disabled for this control. |
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582 // --------------------------------------------------------------------------- |
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583 // |
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584 void CTouchFeedbackImpl::InstantFeedback( |
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585 const CCoeControl* aControl, |
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586 TTouchLogicalFeedback aType ) |
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587 { |
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588 if ( iClient && ( iAudioEnabledForThisApp || iVibraEnabledForThisApp ) ) |
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589 { |
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590 |
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591 // First take application level vibra and audio enablers |
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592 // as default |
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593 TBool vibraEnabled = iVibraEnabledForThisApp; |
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594 TBool audioEnabled = iAudioEnabledForThisApp; |
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595 |
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596 TInt cacheIndex = FindControlFromCache( aControl ); |
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597 |
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598 |
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599 // Check control level disablers for vibra and audio. |
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600 // (These can only prevent vibra or audio effect playback, |
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601 // but not to force it on) |
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602 if ( cacheIndex >=0 && vibraEnabled ) |
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603 { |
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604 vibraEnabled = !iControlCache[cacheIndex].iVibraDisabled; |
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605 } |
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606 |
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607 if ( cacheIndex >=0 && audioEnabled ) |
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608 { |
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609 audioEnabled = !iControlCache[cacheIndex].iAudioDisabled; |
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610 } |
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611 |
|
612 TRACE3("CTouchFeedbackImpl::InstantFeedback 0x%x, %d", aControl, aType); |
|
613 iClient->ImmediateFeedback( aType, vibraEnabled, audioEnabled ); |
|
614 } |
|
615 } |
|
616 |
|
617 // --------------------------------------------------------------------------- |
|
618 // It is not enough to check that the control exists in the cache, we |
|
619 // also need to check that it actually has some areas registered. |
|
620 // --------------------------------------------------------------------------- |
|
621 // |
|
622 TBool CTouchFeedbackImpl::ControlHasFeedback( const CCoeControl* aControl ) |
|
623 { |
|
624 TBool hasFeedback = EFalse; |
|
625 |
|
626 if ( iClient ) |
|
627 { |
|
628 for ( TInt i=0; i < iControlCache.Count(); i++ ) |
|
629 { |
|
630 if ( iControlCache[i].iControl == aControl ) |
|
631 { |
|
632 if ( iControlCache[i].iAreaArray.Count() > 0 ) |
|
633 { |
|
634 hasFeedback = ETrue; |
|
635 } |
|
636 |
|
637 // Break out from loop anyway, since we found the |
|
638 // control |
|
639 break; |
|
640 } |
|
641 } |
|
642 } |
|
643 |
|
644 return hasFeedback; |
|
645 } |
|
646 |
|
647 // --------------------------------------------------------------------------- |
|
648 // Control has feedback if it has a feedback identifier with given index |
|
649 // number. |
|
650 // --------------------------------------------------------------------------- |
|
651 // |
|
652 TBool CTouchFeedbackImpl::ControlHasFeedback( |
|
653 const CCoeControl* aControl, |
|
654 TUint32 aIndex ) |
|
655 { |
|
656 TBool hasArea = EFalse; |
|
657 |
|
658 if ( iClient ) |
|
659 { |
|
660 TInt cacheIndex = KErrNotFound; |
|
661 TInt areaIndex = KErrNotFound; |
|
662 |
|
663 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
|
664 |
|
665 if ( cacheIndex >= 0 && areaIndex >= 0 ) |
|
666 { |
|
667 hasArea = ETrue; |
|
668 } |
|
669 } |
|
670 |
|
671 return hasArea; |
|
672 } |
|
673 |
|
674 // --------------------------------------------------------------------------- |
|
675 // This overload is only wrapper to the real function |
|
676 // --------------------------------------------------------------------------- |
|
677 // |
|
678 void CTouchFeedbackImpl::EnableFeedbackForControl( |
|
679 const CCoeControl* aControl, |
|
680 TBool aEnable ) |
|
681 { |
|
682 EnableFeedbackForControl( aControl, aEnable, aEnable ); |
|
683 } |
|
684 |
|
685 // --------------------------------------------------------------------------- |
|
686 // #1 Find control from the cache |
|
687 // #2 In case control was found, disable/enable it's registry entries, and |
|
688 // also take into accound it's dimming status |
|
689 // #3 If control was not found, then add it to cache |
|
690 // --------------------------------------------------------------------------- |
|
691 // |
|
692 void CTouchFeedbackImpl::EnableFeedbackForControl( |
|
693 const CCoeControl* aControl, |
|
694 TBool aEnableVibra, |
|
695 TBool aEnableAudio ) |
|
696 { |
|
697 TRACE4( "CTouchFeedbackImpl::EnableFeedbackForControl - 0x%x Vibra:%d Audio:=%d", |
|
698 aControl, aEnableVibra, aEnableAudio ); |
|
699 |
|
700 if ( aControl ) |
|
701 { |
|
702 // #1 |
|
703 TInt cacheIndex = FindControlFromCache( aControl ); |
|
704 |
|
705 if ( cacheIndex >= 0 ) |
|
706 { |
|
707 // #2 |
|
708 TControlCacheEntry& entry ( iControlCache[cacheIndex] ); |
|
709 |
|
710 entry.iVibraDisabled = !aEnableVibra; |
|
711 entry.iAudioDisabled = !aEnableAudio; |
|
712 |
|
713 // Let's update visibility and dimming information also now |
|
714 // that we have the pointer to control (due to broken object |
|
715 // provider chain we might not have the correct information on |
|
716 // the moment). |
|
717 entry.iDimmed = aControl->IsDimmed(); |
|
718 entry.iVisible = aControl->IsVisible(); |
|
719 |
|
720 if ( ControlsAreasActive( cacheIndex ) ) |
|
721 { |
|
722 // If control is active (undimmed and visible), then we |
|
723 // set the areas according to parameters. |
|
724 DoEnableControlsAreasInRegistry( cacheIndex, |
|
725 aEnableVibra, |
|
726 aEnableAudio, |
|
727 aControl->IsVisible() ); |
|
728 } |
|
729 else |
|
730 { |
|
731 // If control is not active, then we disable all feedback. |
|
732 DoEnableControlsAreasInRegistry( cacheIndex, |
|
733 EFalse, |
|
734 EFalse, |
|
735 aControl->IsVisible() ); |
|
736 } |
|
737 } |
|
738 else if ( !aEnableVibra || !aEnableAudio ) |
|
739 { |
|
740 // #3 We have to add control to the cache in case |
|
741 // it is not there yet (and disabling is wanted), because |
|
742 // otherwise it will be impossible to block feedback |
|
743 TUint32 clientHandle = ClientHandle( aControl ); |
|
744 |
|
745 // We need to rely elsewhere that client handle exist if control |
|
746 // is found in the cache --> Only make new entry if client |
|
747 // handle can be aquired. |
|
748 if ( clientHandle > 0 ) |
|
749 { |
|
750 TControlCacheEntry newCacheEntry; |
|
751 |
|
752 newCacheEntry.iControl = aControl; |
|
753 newCacheEntry.iClientHandle = clientHandle; |
|
754 newCacheEntry.iVibraDisabled = !aEnableVibra; |
|
755 newCacheEntry.iAudioDisabled = !aEnableAudio; |
|
756 newCacheEntry.iVisible = aControl->IsVisible(); |
|
757 newCacheEntry.iDimmed = aControl->IsDimmed(); |
|
758 |
|
759 iControlCache.Append( newCacheEntry ); |
|
760 } |
|
761 } |
|
762 } |
|
763 } |
|
764 |
|
765 // --------------------------------------------------------------------------- |
|
766 // Store the current status of audio and vibra feedbacks for this |
|
767 // application, and notify server of the change. |
|
768 // --------------------------------------------------------------------------- |
|
769 // |
|
770 void CTouchFeedbackImpl::SetFeedbackEnabledForThisApp( |
|
771 TBool aVibraEnabled, |
|
772 TBool aAudioEnabled ) |
|
773 { |
|
774 TRACE3( "CTouchFeedbackImpl::SetFeedbackEnabledForThisApp %d %d", aVibraEnabled, aAudioEnabled ); |
|
775 |
|
776 // Only notify server when enabled value really changes. |
|
777 if ( iClient && |
|
778 (( aAudioEnabled != iAudioEnabledForThisApp ) || |
|
779 (aVibraEnabled != iVibraEnabledForThisApp ) )) |
|
780 { |
|
781 iClient->RegistryChanged(); |
|
782 } |
|
783 |
|
784 iAudioEnabledForThisApp = aAudioEnabled; |
|
785 iVibraEnabledForThisApp = aVibraEnabled; |
|
786 } |
|
787 |
|
788 // --------------------------------------------------------------------------- |
|
789 // Simple utility for CTouchFeedbackClient |
|
790 // --------------------------------------------------------------------------- |
|
791 // |
|
792 RPointerArray<CTouchFeedbackRegistry>* CTouchFeedbackImpl::RegistryArray() |
|
793 { |
|
794 return &iRegistryArray; |
|
795 } |
|
796 |
|
797 // --------------------------------------------------------------------------- |
|
798 // Simple utility for CTouchFeedbackClient |
|
799 // |
|
800 // We return zero in case pen is not supported in current layout. This way |
|
801 // area registry is disabled in non-touch powered layouts, but feedback areas |
|
802 // are still kept in memory so that feedback can be enabled again in case |
|
803 // layout changes. |
|
804 // --------------------------------------------------------------------------- |
|
805 // |
|
806 void CTouchFeedbackImpl::GetAreaCount( TInt& aAreaCount, TInt& aWindowCount ) |
|
807 { |
|
808 aWindowCount = 0; |
|
809 aAreaCount = 0; |
|
810 |
|
811 if ( iPenEnabled ) |
|
812 { |
|
813 aWindowCount = iRegistryArray.Count(); |
|
814 aAreaCount = iNbOfFeedbackAreas; |
|
815 } |
|
816 } |
|
817 |
|
818 // --------------------------------------------------------------------------- |
|
819 // This function is called by the application framework when any control's |
|
820 // visibility or dimming status has changed. |
|
821 // |
|
822 // We need to determine here whether the given control has any feedback, |
|
823 // and whether its current state requires a change in feedback |
|
824 // areas (for e.g. feedback areas will be disabled for any dimmed control). |
|
825 // |
|
826 // #1 Find control from cache (we don't need to do anything in case it |
|
827 // is not found. |
|
828 // #2 Check if control's feedback areas are now active (based on dimming, |
|
829 // visibility and feedback disabling). Also check control's current |
|
830 // visibility status as itself, as this determines whether the area will |
|
831 // be put to registry at all. |
|
832 // #3 Save control's current dimming and visibility status |
|
833 // #4 Check again if control's areas should be active |
|
834 // #5 Disable/Enable areas in case needed |
|
835 // --------------------------------------------------------------------------- |
|
836 // |
|
837 void CTouchFeedbackImpl::ControlVisibilityChanged( |
|
838 const CCoeControl* aControl ) |
|
839 { |
|
840 if ( iClient && aControl ) |
|
841 { |
|
842 // #1 |
|
843 TInt cacheIndex = FindControlFromCache( aControl ); |
|
844 |
|
845 if ( cacheIndex >= 0 ) |
|
846 { |
|
847 // #2 |
|
848 TBool oldStatus = ControlsAreasActive( cacheIndex ); |
|
849 TBool oldVisible = iControlCache[cacheIndex].iVisible; |
|
850 |
|
851 // #3 |
|
852 iControlCache[cacheIndex].iVisible = aControl->IsVisible(); |
|
853 iControlCache[cacheIndex].iDimmed = aControl->IsDimmed(); |
|
854 |
|
855 |
|
856 // #4 |
|
857 TBool newStatus = ControlsAreasActive( cacheIndex ); |
|
858 |
|
859 // #5 |
|
860 if ( ( oldStatus != newStatus ) || |
|
861 ( oldVisible != aControl->IsVisible() ) ) |
|
862 { |
|
863 if ( newStatus ) // If control is now active |
|
864 { |
|
865 DoEnableControlsAreasInRegistry( |
|
866 cacheIndex, |
|
867 !iControlCache[cacheIndex].iVibraDisabled, |
|
868 !iControlCache[cacheIndex].iAudioDisabled, |
|
869 aControl->IsVisible() ); |
|
870 } |
|
871 else |
|
872 { |
|
873 DoEnableControlsAreasInRegistry( cacheIndex, |
|
874 EFalse, |
|
875 EFalse, |
|
876 aControl->IsVisible() ); |
|
877 } |
|
878 } |
|
879 } |
|
880 } |
|
881 } |
|
882 |
|
883 // --------------------------------------------------------------------------- |
|
884 // Here we check whether the pen support status has changed, and update |
|
885 // registry in case needed. |
|
886 // |
|
887 // Notice that this has not effect on direct feedback: It is completely on |
|
888 // UI control's responsibility to check if pen is supported with direct |
|
889 // feedback (direct feedback is not automatically disabled because that |
|
890 // would cause problems in compatibility mode). |
|
891 // |
|
892 // Also notice that we don't actually destroy any feedback areas when pen |
|
893 // usage is not supported: We just report zero areas to server side, but |
|
894 // still keep everything in memory (see GetAreaCount -function) |
|
895 // --------------------------------------------------------------------------- |
|
896 // |
|
897 void CTouchFeedbackImpl::LayoutChanged() |
|
898 { |
|
899 if ( iClient ) |
|
900 { |
|
901 TBool penEnabledNow = AknLayoutUtils::PenEnabled(); |
|
902 |
|
903 TRACE2("CTouchFeedbackImpl::LayoutChanged, PenEnabled = %d", penEnabledNow); |
|
904 |
|
905 if ( penEnabledNow != iPenEnabled ) |
|
906 { |
|
907 iPenEnabled = penEnabledNow; |
|
908 |
|
909 iClient->RegistryChanged(); |
|
910 } |
|
911 } |
|
912 } |
|
913 |
|
914 // new functions from MTouchFeedback that came in 5.2 |
|
915 // --------------------------------------------------------------------------- |
|
916 // |
|
917 // --------------------------------------------------------------------------- |
|
918 // |
|
919 TBool CTouchFeedbackImpl::FeedbackEnabledForThisApp( TTouchFeedbackType aFeedbackType ) |
|
920 { |
|
921 TBool feedbackEnabled( ETrue ); |
|
922 |
|
923 if ( (aFeedbackType & ETouchFeedbackAudio) && !iAudioEnabledForThisApp ) |
|
924 { |
|
925 feedbackEnabled = EFalse; |
|
926 } |
|
927 |
|
928 if ( (aFeedbackType & ETouchFeedbackVibra) && !iVibraEnabledForThisApp ) |
|
929 { |
|
930 feedbackEnabled = EFalse; |
|
931 } |
|
932 |
|
933 if ( !aFeedbackType ) |
|
934 { |
|
935 feedbackEnabled = EFalse; |
|
936 } |
|
937 |
|
938 return feedbackEnabled; |
|
939 } |
|
940 |
|
941 // --------------------------------------------------------------------------- |
|
942 // |
|
943 // --------------------------------------------------------------------------- |
|
944 // |
|
945 void CTouchFeedbackImpl::StartFeedback( const CCoeControl* aControl, |
|
946 TTouchContinuousFeedback aType, |
|
947 const TPointerEvent* /*aPointerEvent*/, |
|
948 TInt aIntensity, |
|
949 TTimeIntervalMicroSeconds32 aTimeout ) |
|
950 { |
|
951 if ( iClient && ( iAudioEnabledForThisApp || iVibraEnabledForThisApp ) ) |
|
952 { |
|
953 // First take application level vibra and audio enablers |
|
954 // as default |
|
955 TBool vibraEnabled = iVibraEnabledForThisApp; |
|
956 TBool audioEnabled = iAudioEnabledForThisApp; |
|
957 |
|
958 TInt cacheIndex = FindControlFromCache( aControl ); |
|
959 |
|
960 |
|
961 // Check control level disablers for vibra and audio. |
|
962 // (These can only prevent vibra or audio effect playback, |
|
963 // but not to force it on) |
|
964 if ( cacheIndex >=0 && vibraEnabled ) |
|
965 { |
|
966 vibraEnabled = !iControlCache[cacheIndex].iVibraDisabled; |
|
967 } |
|
968 |
|
969 if ( cacheIndex >=0 && audioEnabled ) |
|
970 { |
|
971 audioEnabled = !iControlCache[cacheIndex].iAudioDisabled; |
|
972 } |
|
973 |
|
974 if ( vibraEnabled || audioEnabled ) |
|
975 { |
|
976 TRACE4("CTouchFeedbackImpl::StartFeedback, type:=%d intensity:%d, timeout:%d", aType, aIntensity, aTimeout); |
|
977 TUint32 clientHandle = ClientHandle( aControl ); |
|
978 iClient->StartFeedback( clientHandle, |
|
979 aType, |
|
980 aIntensity, |
|
981 aTimeout ); |
|
982 } |
|
983 } |
|
984 } |
|
985 |
|
986 // --------------------------------------------------------------------------- |
|
987 // |
|
988 // --------------------------------------------------------------------------- |
|
989 // |
|
990 void CTouchFeedbackImpl::ModifyFeedback( const CCoeControl* aControl, |
|
991 TInt aIntensity ) |
|
992 { |
|
993 if ( iClient ) |
|
994 { |
|
995 TRACE2("CTouchFeedbackImpl::ModifyFeedbac, intensity:%d, timeout:%d", aIntensity); |
|
996 TUint32 clientHandle = ClientHandle( aControl ); |
|
997 iClient->ModifyFeedback( clientHandle, aIntensity ); |
|
998 } |
|
999 } |
|
1000 |
|
1001 // --------------------------------------------------------------------------- |
|
1002 // |
|
1003 // --------------------------------------------------------------------------- |
|
1004 // |
|
1005 void CTouchFeedbackImpl::StopFeedback( const CCoeControl* aControl ) |
|
1006 { |
|
1007 if ( iClient ) |
|
1008 { |
|
1009 TUint32 clientHandle = ClientHandle( aControl ); |
|
1010 iClient->StopFeedback( clientHandle ); |
|
1011 } |
|
1012 } |
|
1013 |
|
1014 // --------------------------------------------------------------------------- |
|
1015 // |
|
1016 // --------------------------------------------------------------------------- |
|
1017 // |
|
1018 TInt CTouchFeedbackImpl::SetFeedbackEnabledForDevice( TTouchFeedbackType aFeedbackType ) |
|
1019 { |
|
1020 TInt ret( KErrGeneral ); |
|
1021 if ( iClient ) |
|
1022 { |
|
1023 ret = iClient->SetFeedbackEnabledForDevice( aFeedbackType ); |
|
1024 } |
|
1025 return ret; |
|
1026 } |
|
1027 |
|
1028 // --------------------------------------------------------------------------- |
|
1029 // |
|
1030 // --------------------------------------------------------------------------- |
|
1031 // |
|
1032 TTouchFeedbackType CTouchFeedbackImpl::FeedbackEnabledForDevice() |
|
1033 { |
|
1034 TTouchFeedbackType enabled( static_cast<TTouchFeedbackType>(0) ); |
|
1035 if ( iClient ) |
|
1036 { |
|
1037 enabled = iClient->FeedbackEnabledForDevice(); |
|
1038 } |
|
1039 return enabled; |
|
1040 } |
|
1041 |
|
1042 // --------------------------------------------------------------------------- |
|
1043 // |
|
1044 // --------------------------------------------------------------------------- |
|
1045 // |
|
1046 void CTouchFeedbackImpl::InstantFeedback( const CCoeControl* aControl, |
|
1047 TTouchLogicalFeedback aType, |
|
1048 const TPointerEvent& /*aPointerEvent*/ ) |
|
1049 { |
|
1050 InstantFeedback(aControl, aType); |
|
1051 } |
|
1052 |
|
1053 // --------------------------------------------------------------------------- |
|
1054 // |
|
1055 // --------------------------------------------------------------------------- |
|
1056 // |
|
1057 TInt CTouchFeedbackImpl::SetFeedbackArea( const CCoeControl* aControl, |
|
1058 TUint32 aIndex, |
|
1059 TRect aRect, |
|
1060 CFeedbackSpec* aFeedbackSpec ) |
|
1061 { |
|
1062 // #1 |
|
1063 if ( !iClient ) |
|
1064 { |
|
1065 return KErrNone; |
|
1066 } |
|
1067 |
|
1068 // #2 |
|
1069 if ( !aControl ) |
|
1070 { |
|
1071 TRACE("CTouchFeedbackImpl::SetFeedbackArea(spec) - Err: NULL Control"); |
|
1072 return KErrArgument; |
|
1073 } |
|
1074 |
|
1075 // #4 |
|
1076 TUint32 clientHandle = ClientHandle( aControl ); |
|
1077 |
|
1078 if ( !clientHandle ) |
|
1079 { |
|
1080 TRACE("CTouchFeedbackImpl::SetFeedbackArea(spec) - Err: Invalid Control"); |
|
1081 return KErrArgument; |
|
1082 } |
|
1083 |
|
1084 // #5 |
|
1085 TRAPD( err, |
|
1086 DoSetFeedbackAreaL( |
|
1087 aControl, |
|
1088 aIndex, |
|
1089 aRect, |
|
1090 aFeedbackSpec, |
|
1091 clientHandle ) ); |
|
1092 |
|
1093 if (err) |
|
1094 { |
|
1095 TRACE2("CTouchFeedbackImpl::SetFeedbackArea(spec) err = %d", err ); |
|
1096 } |
|
1097 |
|
1098 return err; |
|
1099 } |
|
1100 |
|
1101 // --------------------------------------------------------------------------- |
|
1102 // |
|
1103 // --------------------------------------------------------------------------- |
|
1104 // |
|
1105 void CTouchFeedbackImpl::InstantFeedback( const CCoeControl* aControl, |
|
1106 TTouchLogicalFeedback aType, |
|
1107 TTouchFeedbackType aFeedbackType, |
|
1108 const TPointerEvent& /*aPointerEvent*/ ) |
|
1109 { |
|
1110 if ( iClient && ( iAudioEnabledForThisApp || iVibraEnabledForThisApp ) ) |
|
1111 { |
|
1112 // Initialize vibra and audio enablers as given in param. |
|
1113 TBool vibraEnabled = aFeedbackType & ETouchFeedbackVibra; |
|
1114 TBool audioEnabled = aFeedbackType & ETouchFeedbackAudio; |
|
1115 |
|
1116 // Check application level vibra and audio enablers |
|
1117 if ( !iVibraEnabledForThisApp ) |
|
1118 { |
|
1119 vibraEnabled = EFalse; |
|
1120 } |
|
1121 if ( !iAudioEnabledForThisApp ) |
|
1122 { |
|
1123 audioEnabled = EFalse; |
|
1124 } |
|
1125 |
|
1126 TInt cacheIndex = FindControlFromCache( aControl ); |
|
1127 |
|
1128 |
|
1129 // Check control level disablers for vibra and audio. |
|
1130 // (These can only prevent vibra or audio effect playback, |
|
1131 // but not to force it on) |
|
1132 if ( cacheIndex >=0 && vibraEnabled ) |
|
1133 { |
|
1134 vibraEnabled = !iControlCache[cacheIndex].iVibraDisabled; |
|
1135 } |
|
1136 |
|
1137 if ( cacheIndex >=0 && audioEnabled ) |
|
1138 { |
|
1139 audioEnabled = !iControlCache[cacheIndex].iAudioDisabled; |
|
1140 } |
|
1141 |
|
1142 TRACE5("CTouchFeedbackImpl::InstantFeedback, 0x%x, type:=%d Vibra:%d Audio:%d", |
|
1143 aControl, aType, vibraEnabled, audioEnabled); |
|
1144 iClient->ImmediateFeedback( aType, vibraEnabled, audioEnabled ); |
|
1145 } |
|
1146 } |
|
1147 |
|
1148 // --------------------------------------------------------------------------- |
|
1149 // Here we do the actual work for adding new area to the registry |
|
1150 // (or updating an existing one). |
|
1151 // |
|
1152 // #1 Check that control exist in the cache |
|
1153 // #2a If it does not exist, then add it |
|
1154 // #2b If control exists, but area not, then add new area |
|
1155 // #2c If control and area both exist, then use existing id |
|
1156 // #3 Find corresponding registry entry |
|
1157 // #4 Create new entry if this was the first area for this window |
|
1158 // #5 Determine if new area should actually be active, and then |
|
1159 // add it to registry |
|
1160 // #6 Inform server if we added an active area |
|
1161 // |
|
1162 // We use specific cleanup items for removing the added area and/or control |
|
1163 // from the control cache in caes adding of the area to the actual |
|
1164 // registry fails. This way actual registry and control cache will remain |
|
1165 // in sync no matter what happens. |
|
1166 // --------------------------------------------------------------------------- |
|
1167 // |
|
1168 void CTouchFeedbackImpl::DoSetFeedbackAreaL( |
|
1169 const CCoeControl* aControl, |
|
1170 TUint32 aIndex, |
|
1171 TRect aRect, |
|
1172 CFeedbackSpec* aFeedbackSpec, |
|
1173 TUint32 aClientHandle ) |
|
1174 { |
|
1175 TInt id = KErrNotFound; |
|
1176 TInt nbOfCleanupItems = 0; |
|
1177 TBool newArea = EFalse; |
|
1178 |
|
1179 // #1 |
|
1180 TInt cacheIndex = KErrNotFound; |
|
1181 TInt areaIndex = KErrNotFound; |
|
1182 FindAreaFromCache( aControl, aIndex, cacheIndex, areaIndex ); |
|
1183 |
|
1184 // #2a |
|
1185 if ( cacheIndex < 0 ) |
|
1186 { |
|
1187 id = GenerateUniqueIdL(); |
|
1188 |
|
1189 TControlCacheEntry newCacheEntry; |
|
1190 |
|
1191 newCacheEntry.iControl = aControl; |
|
1192 newCacheEntry.iClientHandle = aClientHandle; |
|
1193 newCacheEntry.iVibraDisabled = EFalse; |
|
1194 newCacheEntry.iAudioDisabled = EFalse; |
|
1195 newCacheEntry.iVisible = aControl->IsVisible(); |
|
1196 newCacheEntry.iDimmed = aControl->IsDimmed(); |
|
1197 |
|
1198 // New entry will be added at the end of array |
|
1199 // This assignment will also make it possible to use |
|
1200 // "cacheIndex" -variable in the rest of the function |
|
1201 // in all cases. |
|
1202 cacheIndex = iControlCache.Count(); |
|
1203 |
|
1204 iControlCache.AppendL( newCacheEntry ); |
|
1205 |
|
1206 // Use cleanup item to remove the control in case something |
|
1207 // fails later in this function. |
|
1208 CleanupStack::PushL( |
|
1209 TCleanupItem( CleanupCacheArray, &iControlCache ) ); |
|
1210 nbOfCleanupItems++; |
|
1211 |
|
1212 TAreaIndexEntry newAreaEntry; |
|
1213 |
|
1214 newAreaEntry.iIndex = aIndex; |
|
1215 newAreaEntry.iAreaId = id; |
|
1216 |
|
1217 iControlCache[cacheIndex].iAreaArray.AppendL( newAreaEntry ); |
|
1218 |
|
1219 // Use cleanup item to remove the area id in case something |
|
1220 // fails later in this function. |
|
1221 CleanupStack::PushL( |
|
1222 TCleanupItem( CleanupAreaArray, |
|
1223 &iControlCache[cacheIndex].iAreaArray) ); |
|
1224 nbOfCleanupItems++; |
|
1225 |
|
1226 newArea = ETrue; |
|
1227 |
|
1228 // Enable control state change reports on the new control |
|
1229 CCoeControl* tmp = const_cast<CCoeControl*>( aControl ); |
|
1230 tmp->EnableReportControlStateChange( ETrue ); |
|
1231 } |
|
1232 // #2b |
|
1233 else if ( areaIndex < 0 ) |
|
1234 { |
|
1235 id = GenerateUniqueIdL(); |
|
1236 |
|
1237 TAreaIndexEntry newAreaEntry; |
|
1238 |
|
1239 newAreaEntry.iIndex = aIndex; |
|
1240 newAreaEntry.iAreaId = id; |
|
1241 |
|
1242 iControlCache[cacheIndex].iAreaArray.AppendL( newAreaEntry ); |
|
1243 |
|
1244 CleanupStack::PushL( |
|
1245 TCleanupItem( CleanupAreaArray, |
|
1246 &iControlCache[cacheIndex].iAreaArray) ); |
|
1247 nbOfCleanupItems++; |
|
1248 |
|
1249 newArea = ETrue; |
|
1250 } |
|
1251 // #2c |
|
1252 else |
|
1253 { |
|
1254 id = iControlCache[cacheIndex].iAreaArray[areaIndex].iAreaId; |
|
1255 } |
|
1256 |
|
1257 // #3 |
|
1258 TInt registryIndex = FindWindowFromRegistry ( aClientHandle ); |
|
1259 |
|
1260 // #4 |
|
1261 if ( registryIndex == KErrNotFound ) |
|
1262 { |
|
1263 // There isn't yet a registry entry for this window |
|
1264 // --> Create it |
|
1265 CTouchFeedbackRegistry* newRegistry = |
|
1266 CTouchFeedbackRegistry::NewL( aClientHandle ); |
|
1267 |
|
1268 CleanupStack::PushL( newRegistry ); |
|
1269 |
|
1270 registryIndex = iRegistryArray.Count(); |
|
1271 |
|
1272 iRegistryArray.AppendL( newRegistry ); |
|
1273 |
|
1274 CleanupStack::Pop( newRegistry ); |
|
1275 } |
|
1276 |
|
1277 // #5 Determine what is the vibra and audio status for the new area |
|
1278 // (if control is invisible or dimmed then both will be disabled) |
|
1279 TBool vibraEnabled = EFalse; |
|
1280 TBool audioEnabled = EFalse; |
|
1281 |
|
1282 TBool areaActive = ControlsAreasActive( cacheIndex ); |
|
1283 |
|
1284 if ( areaActive ) |
|
1285 { |
|
1286 vibraEnabled = !iControlCache[cacheIndex].iVibraDisabled; |
|
1287 audioEnabled = !iControlCache[cacheIndex].iAudioDisabled; |
|
1288 } |
|
1289 |
|
1290 |
|
1291 RArray<TTactileFbItem> feedbackEntries; |
|
1292 CleanupClosePushL( feedbackEntries ); |
|
1293 TTouchEventType eventType(ETouchEventStylusDown); |
|
1294 TTouchLogicalFeedback feedbackTypeDown = ETouchFeedbackNone; |
|
1295 TTouchLogicalFeedback feedbackTypeUp = ETouchFeedbackNone; |
|
1296 TTouchFeedbackType feedbackDown = ETouchFeedbackVibra; |
|
1297 TTouchFeedbackType feedbackUp = ETouchFeedbackVibra; |
|
1298 aFeedbackSpec->GetFeedbackSpec(feedbackEntries); |
|
1299 TInt feedbackItems = feedbackEntries.Count(); |
|
1300 for (TInt i=0;i<feedbackItems;i++) |
|
1301 { |
|
1302 TTactileFbItem item = feedbackEntries[i]; |
|
1303 eventType = item.iEventType; |
|
1304 |
|
1305 if ( item.iEventType == ETouchEventStylusDown ) |
|
1306 { |
|
1307 feedbackTypeDown = item.iFeedback; |
|
1308 feedbackDown = item.iFeedbackType; |
|
1309 } |
|
1310 else if ( item.iEventType == ETouchEventStylusUp ) |
|
1311 { |
|
1312 feedbackTypeUp = item.iFeedback; |
|
1313 feedbackUp = item.iFeedbackType; |
|
1314 } |
|
1315 } |
|
1316 if ( feedbackItems > 0 ) |
|
1317 { |
|
1318 iRegistryArray[registryIndex]->AddFeedbackAreaL( |
|
1319 aRect, feedbackTypeDown, feedbackDown, feedbackTypeUp, feedbackUp, |
|
1320 eventType, id, vibraEnabled, audioEnabled, aControl->IsVisible() ); |
|
1321 } |
|
1322 CleanupStack::PopAndDestroy( &feedbackEntries ); |
|
1323 |
|
1324 // We can now remove the cleanup items, because nothing can fail |
|
1325 // anymore. |
|
1326 CleanupStack::Pop( nbOfCleanupItems ); |
|
1327 |
|
1328 // We can also update the counter now, when we know that the area |
|
1329 // was actually added |
|
1330 if ( newArea ) |
|
1331 { |
|
1332 iNbOfFeedbackAreas++; |
|
1333 } |
|
1334 |
|
1335 // #6 We only need to inform server in case we added an active area |
|
1336 // to the registry. |
|
1337 if ( areaActive ) |
|
1338 { |
|
1339 iClient->RegistryChanged(); |
|
1340 } |
|
1341 } |
|
1342 |
|
1343 // --------------------------------------------------------------------------- |
|
1344 // A simple for -loop should be enough here, as we are not likely to have |
|
1345 // that many windows in one application process. |
|
1346 // --------------------------------------------------------------------------- |
|
1347 // |
|
1348 TInt CTouchFeedbackImpl::FindWindowFromRegistry( TUint aWindowHandle ) |
|
1349 { |
|
1350 TInt index = KErrNotFound; |
|
1351 |
|
1352 for ( TInt i=0; i < iRegistryArray.Count(); i++ ) |
|
1353 { |
|
1354 if ( iRegistryArray[i]->WindowHandle() == aWindowHandle ) |
|
1355 { |
|
1356 index = i; |
|
1357 break; |
|
1358 } |
|
1359 } |
|
1360 |
|
1361 return index; |
|
1362 } |
|
1363 |
|
1364 // --------------------------------------------------------------------------- |
|
1365 // Just ask client to do updates immediately |
|
1366 // --------------------------------------------------------------------------- |
|
1367 // |
|
1368 void CTouchFeedbackImpl::FlushRegistryUpdates( ) |
|
1369 { |
|
1370 if ( iClient ) |
|
1371 { |
|
1372 TRACE("CTouchFeedbackImpl::FlushRegistryUpdates" ); |
|
1373 iClient->FlushUpdates(); |
|
1374 } |
|
1375 } |
|
1376 |
|
1377 // --------------------------------------------------------------------------- |
|
1378 // We use integer numers starting from 1 as area identifiers. |
|
1379 // |
|
1380 // There is a bookkeeping of last used identifier, and we'll start from one |
|
1381 // again after reaching the maximum value. |
|
1382 // |
|
1383 // There is also a separate bookkeeping to know if our id values have been |
|
1384 // rotated at least once or not. From that we know if we have to check that |
|
1385 // the id is not in use already (if we are on the first round, then there |
|
1386 // cannot be any area with the new id). |
|
1387 // |
|
1388 // Notice that it should be checked already _before_ calling this function, |
|
1389 // whether it is actually possible to find an unused identifier anymore. |
|
1390 // --------------------------------------------------------------------------- |
|
1391 // |
|
1392 TUint CTouchFeedbackImpl::GenerateUniqueIdL() |
|
1393 { |
|
1394 // First check that there actually is an identifier that we can find |
|
1395 // (i.e. check that maximum number of areas has not been reached) |
|
1396 if ( iNbOfFeedbackAreas >= KTouchMaxFeedbackAreaIdentifier ) |
|
1397 { |
|
1398 User::Leave( KErrNoMemory ); |
|
1399 } |
|
1400 |
|
1401 iCurrentId++; |
|
1402 |
|
1403 if ( iCurrentId > KTouchMaxFeedbackAreaIdentifier ) |
|
1404 { |
|
1405 iCurrentId = 1; |
|
1406 |
|
1407 iCurrentIdCounterRotated = ETrue; |
|
1408 } |
|
1409 |
|
1410 if ( iCurrentIdCounterRotated ) |
|
1411 { |
|
1412 while ( FeedbackAreaExists( iCurrentId ) ) |
|
1413 { |
|
1414 iCurrentId++; |
|
1415 |
|
1416 if ( iCurrentId > KTouchMaxFeedbackAreaIdentifier ) |
|
1417 { |
|
1418 iCurrentId = 1; |
|
1419 } |
|
1420 } |
|
1421 |
|
1422 } |
|
1423 |
|
1424 return iCurrentId; |
|
1425 } |
|
1426 |
|
1427 // --------------------------------------------------------------------------- |
|
1428 // Scan through local registry in order to know whether the area with |
|
1429 // given identifier exists. |
|
1430 // |
|
1431 // This function is only used when creating a new unique identifier. |
|
1432 // --------------------------------------------------------------------------- |
|
1433 // |
|
1434 TBool CTouchFeedbackImpl::FeedbackAreaExists( TUint aAreaId ) |
|
1435 { |
|
1436 TBool areaExists = EFalse; |
|
1437 |
|
1438 for ( TInt i=0; i < iRegistryArray.Count() && !areaExists; i++ ) |
|
1439 { |
|
1440 RArray<TFeedbackEntry>* entryArray = |
|
1441 iRegistryArray[i]->WindowRegistry(); |
|
1442 |
|
1443 for ( TInt j=0; j < entryArray->Count() && !areaExists; j++ ) |
|
1444 { |
|
1445 if ( (*entryArray)[j].iId == aAreaId ) |
|
1446 { |
|
1447 areaExists = ETrue; |
|
1448 } |
|
1449 } |
|
1450 } |
|
1451 |
|
1452 return areaExists; |
|
1453 } |
|
1454 |
|
1455 // --------------------------------------------------------------------------- |
|
1456 // Because we use the so called "client handle" for identifying windows on |
|
1457 // client- and server sides, we must be able to generate a client handle |
|
1458 // from CCoeControl -pointer. |
|
1459 // |
|
1460 // The algorithm: |
|
1461 // |
|
1462 // #1 Loop as long as we haven't reached the top-level control, and we still |
|
1463 // haven't found the first window-owning control. |
|
1464 // |
|
1465 // #2 If this is a window-owning control, then it's address is the |
|
1466 // client-side handle |
|
1467 // |
|
1468 // #3 Otherwise move up to next parent |
|
1469 // |
|
1470 // #4 If this control doesn't have paren't pointer, then try to get |
|
1471 // a pointer to this control's window. |
|
1472 // |
|
1473 // #5 If we got the window, then use the ClientHandle -function for |
|
1474 // retrieving the pointer from server side |
|
1475 // |
|
1476 // #6 If we don't have parent- or window pointers, then give up. |
|
1477 // --------------------------------------------------------------------------- |
|
1478 // |
|
1479 TUint32 CTouchFeedbackImpl::ClientHandle( const CCoeControl* aControl ) |
|
1480 { |
|
1481 TUint32 clientHandle = 0; |
|
1482 |
|
1483 const CCoeControl* parent = aControl; |
|
1484 |
|
1485 // #1 |
|
1486 while ( clientHandle == 0 && parent ) |
|
1487 { |
|
1488 if ( parent->OwnsWindow() ) |
|
1489 { |
|
1490 // #2 |
|
1491 clientHandle = reinterpret_cast<TUint32>( parent ); |
|
1492 } |
|
1493 else |
|
1494 { |
|
1495 // #3 |
|
1496 parent = parent->Parent(); |
|
1497 |
|
1498 if ( !parent ) |
|
1499 { |
|
1500 // #4 |
|
1501 RDrawableWindow* window = aControl->DrawableWindow(); |
|
1502 |
|
1503 if ( window ) |
|
1504 { |
|
1505 // #5 |
|
1506 TRACE("CTouchFeedbackImpl::ClientHandle - Ask handle from wserv - begin" ); |
|
1507 clientHandle = window->ClientHandle(); |
|
1508 TRACE("CTouchFeedbackImpl::ClientHandle - Ask handle from wserv - end" ); |
|
1509 } |
|
1510 else |
|
1511 { |
|
1512 // #6 |
|
1513 TRACE("CTouchFeedbackImpl::ClientHandle - Error: No window defined, not possible to get handle!!"); |
|
1514 } |
|
1515 |
|
1516 } |
|
1517 } |
|
1518 } |
|
1519 |
|
1520 return clientHandle; |
|
1521 } |
|
1522 |
|
1523 // --------------------------------------------------------------------------- |
|
1524 // We could optimize this search in case we get very many controls to the |
|
1525 // array, but so far it hasn't been necessary. |
|
1526 // --------------------------------------------------------------------------- |
|
1527 // |
|
1528 TInt CTouchFeedbackImpl::FindControlFromCache( |
|
1529 const CCoeControl* aControl ) |
|
1530 { |
|
1531 TInt position = KErrNotFound; |
|
1532 |
|
1533 for ( TInt i=0; i < iControlCache.Count(); i++ ) |
|
1534 { |
|
1535 if ( iControlCache[i].iControl == aControl ) |
|
1536 { |
|
1537 position = i; |
|
1538 break; |
|
1539 } |
|
1540 } |
|
1541 |
|
1542 return position; |
|
1543 } |
|
1544 |
|
1545 // --------------------------------------------------------------------------- |
|
1546 // If this search is starting to take too long time, then the best |
|
1547 // optimization would be to optimize the FindControlFromCache -function, |
|
1548 // as there can potentially be very many controls, but not likely very many |
|
1549 // ares per each control. |
|
1550 // --------------------------------------------------------------------------- |
|
1551 // |
|
1552 void CTouchFeedbackImpl::FindAreaFromCache( |
|
1553 const CCoeControl* aControl, |
|
1554 TUint32 aIndex, |
|
1555 TInt& aCacheIndex, |
|
1556 TInt& aAreaIndex ) |
|
1557 { |
|
1558 aAreaIndex = KErrNotFound; |
|
1559 |
|
1560 aCacheIndex = FindControlFromCache( aControl ); |
|
1561 |
|
1562 if ( aCacheIndex >= 0 ) |
|
1563 { |
|
1564 TControlCacheEntry& entry (iControlCache[aCacheIndex]); |
|
1565 |
|
1566 for ( TInt i=0; i < entry.iAreaArray.Count(); i++ ) |
|
1567 { |
|
1568 if ( entry.iAreaArray[i].iIndex == aIndex ) |
|
1569 { |
|
1570 aAreaIndex = i; |
|
1571 break; |
|
1572 } |
|
1573 } |
|
1574 } |
|
1575 } |
|
1576 |
|
1577 // --------------------------------------------------------------------------- |
|
1578 // Here we remove the control from the cache. It is assumed that |
|
1579 // corresponding feedback areas have been removed from registry |
|
1580 // already. |
|
1581 // --------------------------------------------------------------------------- |
|
1582 // |
|
1583 void CTouchFeedbackImpl::RemoveControlFromCache( TInt aControlIndex ) |
|
1584 { |
|
1585 __ASSERT_ALWAYS( |
|
1586 aControlIndex >= 0 && aControlIndex < iControlCache.Count(), |
|
1587 Panic( ETouchClientPanicArrayAccess ) ); |
|
1588 |
|
1589 iControlCache[aControlIndex].iAreaArray.Reset(); |
|
1590 iControlCache[aControlIndex].iAreaArray.Close(); |
|
1591 |
|
1592 iControlCache.Remove( aControlIndex ); |
|
1593 } |
|
1594 |
|
1595 // --------------------------------------------------------------------------- |
|
1596 // We have a separate function for knowing if control's feedback areas |
|
1597 // should be active or not, because determining this is not so simple, and |
|
1598 // because this part can still change. |
|
1599 // |
|
1600 // Control's areas are NOT active in case |
|
1601 // |
|
1602 // #1 Its feedback has been explicitely disabled for audio and vibra |
|
1603 // |
|
1604 // OR |
|
1605 // |
|
1606 // #2 It is not visible |
|
1607 // |
|
1608 // OR |
|
1609 // |
|
1610 // #3 It is dimmed. |
|
1611 // |
|
1612 // --------------------------------------------------------------------------- |
|
1613 // |
|
1614 TBool CTouchFeedbackImpl::ControlsAreasActive( TInt aControlIndex ) |
|
1615 { |
|
1616 __ASSERT_ALWAYS( |
|
1617 aControlIndex >= 0 && aControlIndex < iControlCache.Count(), |
|
1618 Panic( ETouchClientPanicArrayAccess ) ); |
|
1619 |
|
1620 TBool ret = ETrue; |
|
1621 |
|
1622 if ( ( iControlCache[aControlIndex].iVibraDisabled && // #1 |
|
1623 iControlCache[aControlIndex].iAudioDisabled ) || |
|
1624 !iControlCache[aControlIndex].iVisible || // #2 |
|
1625 iControlCache[aControlIndex].iDimmed ) // #3 |
|
1626 { |
|
1627 ret = EFalse; |
|
1628 } |
|
1629 |
|
1630 return ret; |
|
1631 } |
|
1632 |
|
1633 // --------------------------------------------------------------------------- |
|
1634 // This function can be used for disabling or enabling all control's |
|
1635 // feedback areas in the registry. |
|
1636 // |
|
1637 // #1 Find out the registry index. |
|
1638 // #2 In a loop, disable / enable each feedback area for this control |
|
1639 // #3 Maintain bookkeeping, so that we will know in the end if anything |
|
1640 // changed or not (so that we won't make unnecessary updates to server) |
|
1641 // #4 Make a pending update request if registry really changed. |
|
1642 // --------------------------------------------------------------------------- |
|
1643 // |
|
1644 void CTouchFeedbackImpl::DoEnableControlsAreasInRegistry( |
|
1645 TInt aControlIndex, |
|
1646 TBool aEnableVibra, |
|
1647 TBool aEnableAudio, |
|
1648 TBool aVisible ) |
|
1649 { |
|
1650 __ASSERT_ALWAYS( |
|
1651 aControlIndex >= 0 && aControlIndex < iControlCache.Count(), |
|
1652 Panic( ETouchClientPanicArrayAccess ) ); |
|
1653 |
|
1654 TBool registryChanged = EFalse; |
|
1655 |
|
1656 TControlCacheEntry& entry ( iControlCache[aControlIndex] ); |
|
1657 |
|
1658 // #1 |
|
1659 TInt registryIndex = FindWindowFromRegistry ( entry.iClientHandle ); |
|
1660 |
|
1661 if ( registryIndex != KErrNotFound ) |
|
1662 { |
|
1663 for ( TInt i=0; i < entry.iAreaArray.Count(); i++ ) |
|
1664 { |
|
1665 TInt id = entry.iAreaArray[i].iAreaId; |
|
1666 |
|
1667 // #2 |
|
1668 TBool changedNow = |
|
1669 iRegistryArray[registryIndex]->SetFeedbackEnabled( |
|
1670 id, aEnableVibra, aEnableAudio, aVisible ); |
|
1671 |
|
1672 // #3 |
|
1673 registryChanged = registryChanged || changedNow; |
|
1674 } |
|
1675 } |
|
1676 |
|
1677 // #4 |
|
1678 if ( registryChanged ) |
|
1679 { |
|
1680 iClient->RegistryChanged(); |
|
1681 } |
|
1682 } |
|
1683 |
|
1684 // --------------------------------------------------------------------------- |
|
1685 // |
|
1686 // --------------------------------------------------------------------------- |
|
1687 // |
|
1688 EXPORT_C CFeedbackSpec* CFeedbackSpec::New() |
|
1689 { |
|
1690 return new CFeedbackSpec; |
|
1691 } |
|
1692 |
|
1693 // --------------------------------------------------------------------------- |
|
1694 // |
|
1695 // --------------------------------------------------------------------------- |
|
1696 // |
|
1697 CFeedbackSpec::~CFeedbackSpec() |
|
1698 { |
|
1699 iFbArray.Close(); |
|
1700 } |
|
1701 |
|
1702 // --------------------------------------------------------------------------- |
|
1703 // |
|
1704 // --------------------------------------------------------------------------- |
|
1705 // |
|
1706 EXPORT_C TInt CFeedbackSpec::AddFeedback( TTouchEventType aEventType, |
|
1707 TTouchLogicalFeedback aFeedback ) |
|
1708 { |
|
1709 // Vibra feedback is enabled by default for every event type. |
|
1710 TInt fbType( ETouchFeedbackVibra | ETouchFeedbackAudio ); |
|
1711 |
|
1712 return AddFeedback( aEventType, |
|
1713 aFeedback, |
|
1714 static_cast<TTouchFeedbackType>( fbType ) ); |
|
1715 } |
|
1716 |
|
1717 // --------------------------------------------------------------------------- |
|
1718 // |
|
1719 // --------------------------------------------------------------------------- |
|
1720 // |
|
1721 EXPORT_C TInt CFeedbackSpec::AddFeedback( TTouchEventType aEventType, |
|
1722 TTouchLogicalFeedback aFeedback, |
|
1723 TTouchFeedbackType aFeedbackType ) |
|
1724 { |
|
1725 TTactileFbItem item; |
|
1726 if ( !(aEventType >= ETouchEventStylusDown && aEventType <= ETouchEventStylusPressUp ) ) |
|
1727 { |
|
1728 return KErrArgument; |
|
1729 } |
|
1730 item.iEventType = aEventType; |
|
1731 |
|
1732 // range check. update when logical feedback types are changed. |
|
1733 if (! ( aFeedback >= ETouchFeedbackNone || aFeedback <= ETouchFeedbackSensitive) |
|
1734 || ! ( aFeedback >= ETouchFeedbackBasicButton || |
|
1735 aFeedback <= ETouchFeedbackMultiTouchRecognized ) ) |
|
1736 { |
|
1737 return KErrArgument; |
|
1738 } |
|
1739 item.iFeedback = aFeedback; |
|
1740 item.iFeedbackType = aFeedbackType; |
|
1741 |
|
1742 iFbArray.Append(item); |
|
1743 return KErrNone; |
|
1744 } |
|
1745 |
|
1746 // --------------------------------------------------------------------------- |
|
1747 // |
|
1748 // --------------------------------------------------------------------------- |
|
1749 // |
|
1750 void CFeedbackSpec::GetFeedbackSpec( RArray<TTactileFbItem>& aArray ) |
|
1751 { |
|
1752 // copy values from one array to another |
|
1753 TInt count = iFbArray.Count(); |
|
1754 aArray.Reset(); // remove records from array if any |
|
1755 |
|
1756 for ( TInt i=0 ; i < count ; i++ ) |
|
1757 { |
|
1758 TTactileFbItem item; |
|
1759 item.iFeedback = iFbArray[i].iFeedback; |
|
1760 item.iEventType = iFbArray[i].iEventType; |
|
1761 item.iFeedbackType = iFbArray[i].iFeedbackType; |
|
1762 aArray.Append(item); |
|
1763 } |
|
1764 } |
|
1765 |
|
1766 // --------------------------------------------------------------------------- |
|
1767 // |
|
1768 // --------------------------------------------------------------------------- |
|
1769 // |
|
1770 CFeedbackSpec::CFeedbackSpec() |
|
1771 { |
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1772 } |
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1773 |
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1774 // End of File |