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1 /* |
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2 * Copyright (c) 2005-2007 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: Implementation for wrapper for a volume control component |
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15 * |
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16 */ |
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17 |
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18 |
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19 #include <e32base.h> |
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20 #include <coecntrl.h> |
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21 #include <barsread.h> |
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22 #include <barsc.h> |
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23 #include <Aknvolumecontrol.h> |
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24 |
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25 #include "xnnodepluginif.h" |
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26 #include "xndompropertyvalue.h" |
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27 #include "xndomproperty.h" |
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28 #include "xndomlist.h" |
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29 #include "xnproperty.h" |
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30 #include "xncomponent.h" |
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31 #include "xnuienginepluginif.h" |
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32 #include "xncomponentnodeimpl.h" |
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33 #include "xncontroladapter.h" |
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34 #include "xntype.h" |
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35 |
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36 #include "xnvolumecontroladapter.h" |
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37 #include "xnvolumecontrolobserver.h" |
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38 #include "xnvolumecontrol.rsg" |
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39 |
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40 _LIT( KResourceFileName, "z:\\resource\\plugins\\xn3volumecontrol.rsc" ); |
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41 |
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42 // ============================ MEMBER FUNCTIONS =============================== |
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43 |
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44 // ----------------------------------------------------------------------------- |
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45 // CXnVolumeControlAdapter::NewL |
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46 // Symbian static 1st phase constructor |
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47 // ----------------------------------------------------------------------------- |
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48 // |
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49 CXnVolumeControlAdapter* CXnVolumeControlAdapter::NewL(CXnControlAdapter* aParent, |
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50 CXnNodePluginIf& aNode) |
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51 { |
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52 CXnVolumeControlAdapter* self = new( ELeave ) CXnVolumeControlAdapter(aParent, aNode); |
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53 CleanupStack::PushL( self ); |
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54 self->ConstructL(); |
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55 CleanupStack::Pop(); |
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56 return self; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CXnVolumeControlAdapter::CXnVolumeControlAdapter |
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61 // C++ default constructor |
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62 // ----------------------------------------------------------------------------- |
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63 // |
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64 CXnVolumeControlAdapter::CXnVolumeControlAdapter(CXnControlAdapter* aParent, |
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65 CXnNodePluginIf& aNode) |
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66 : iParent( aParent ), iNode( aNode ) |
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67 { |
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68 } |
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69 |
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70 // ----------------------------------------------------------------------------- |
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71 // CXnVolumeControlAdapter::~CXnVolumeControlAdapter |
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72 // C++ destructor |
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73 // ----------------------------------------------------------------------------- |
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74 // |
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75 CXnVolumeControlAdapter::~CXnVolumeControlAdapter() |
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76 { |
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77 delete iVolumeControl; |
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78 } |
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79 |
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80 // ----------------------------------------------------------------------------- |
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81 // CXnVolumeControlAdapter::ConstructL |
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82 // Symbian 2nd phase constructor can leave. |
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83 // ----------------------------------------------------------------------------- |
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84 // |
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85 void CXnVolumeControlAdapter::ConstructL() |
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86 { |
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87 ConstructVolumeControlL(); |
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88 |
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89 iVolumeControl->SetValue( ValueL() ); |
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90 |
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91 CXnControlAdapter::ConstructL( iNode ); |
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92 } |
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93 |
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94 // ----------------------------------------------------------------------------- |
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95 // CXnVolumeControlAdapter::ConstructVolumeControL |
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96 // ----------------------------------------------------------------------------- |
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97 // |
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98 void CXnVolumeControlAdapter::ConstructVolumeControlL() |
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99 { |
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100 delete iVolumeControl; |
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101 iVolumeControl = NULL; |
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102 |
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103 iVolumeControl = new ( ELeave ) CAknVolumeControl; |
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104 iVolumeControl->SetContainerWindowL( *iParent ); |
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105 iVolumeControl->SetBackground( this ); |
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106 |
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107 RFs fsSession; |
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108 |
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109 TInt err( fsSession.Connect() ); |
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110 |
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111 if( err ) |
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112 { |
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113 User::Leave( err ); |
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114 } |
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115 |
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116 CleanupClosePushL( fsSession ); |
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117 |
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118 RResourceFile resourceFile; |
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119 resourceFile.OpenL( fsSession, KResourceFileName ); |
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120 CleanupClosePushL( resourceFile ); |
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121 |
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122 HBufC8* resource = resourceFile.AllocReadLC( R_XNVOLUMECONTROLDYNAMIC ); |
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123 |
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124 TResourceReader reader; |
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125 reader.SetBuffer( resource ); |
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126 |
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127 iVolumeControl->ConstructFromResourceL( reader ); |
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128 iVolumeControl->SetRect( iNode.Rect() ); |
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129 |
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130 CleanupStack::PopAndDestroy( 3, &fsSession ); // resource, resourceFile, fsSession |
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131 |
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132 SetVolumeControlPropertiesL(); |
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133 } |
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134 |
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135 // ----------------------------------------------------------------------------- |
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136 // CXnVolumeControlAdapter::SetObserver |
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137 // ----------------------------------------------------------------------------- |
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138 // |
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139 void CXnVolumeControlAdapter::SetObserver( MXnVolumeControlObserver* aObserver ) |
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140 { |
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141 iObserver = aObserver; |
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142 } |
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143 |
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144 // ----------------------------------------------------------------------------- |
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145 // CXnVolumeControlAdapter::SetValue |
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146 // ----------------------------------------------------------------------------- |
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147 // |
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148 void CXnVolumeControlAdapter::SetValueL( TInt aValue ) |
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149 { |
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150 TInt minRange; |
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151 TInt maxRange; |
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152 |
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153 GetRangeL( minRange, maxRange ); |
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154 |
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155 if( aValue >= minRange && aValue <= maxRange ) |
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156 { |
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157 CXnDomStringPool& sp = iNode.UiEngineL()->StringPool(); |
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158 CXnDomPropertyValue* value = CXnDomPropertyValue::NewL( sp ); |
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159 CleanupStack::PushL( value ); |
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160 value->SetFloatValueL( CXnDomPropertyValue::ENumber, aValue ); |
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161 CXnProperty* valueProperty = CXnProperty::NewL( XnPropertyNames::action::KValue, value, sp ); |
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162 CleanupStack::Pop( value ); |
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163 CleanupStack::PushL( valueProperty ); |
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164 iNode.SetPropertyL( valueProperty ); |
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165 CleanupStack::Pop( valueProperty ); |
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166 } |
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167 } |
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168 |
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169 // ----------------------------------------------------------------------------- |
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170 // CXnVolumeControlAdapter::Value |
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171 // ----------------------------------------------------------------------------- |
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172 // |
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173 TInt CXnVolumeControlAdapter::ValueL() |
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174 { |
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175 return GetCurrentValueL(); |
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176 } |
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177 |
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178 // ----------------------------------------------------------------------------- |
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179 // CXnVolumeControlAdapter::SetRange |
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180 // ----------------------------------------------------------------------------- |
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181 // |
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182 void CXnVolumeControlAdapter::SetRangeL( TInt aMinimumValue, TInt aMaximumValue ) |
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183 { |
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184 CXnDomStringPool& sp = iNode.UiEngineL()->StringPool(); |
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185 |
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186 // Set min value property |
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187 CXnDomPropertyValue* minValue = CXnDomPropertyValue::NewL( sp ); |
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188 CleanupStack::PushL( minValue ); |
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189 minValue->SetFloatValueL( CXnDomPropertyValue::ENumber, aMinimumValue ); |
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190 CXnProperty* minValueProperty = CXnProperty::NewL( XnPropertyNames::volumecontrol::KMinRange, minValue, sp ); |
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191 CleanupStack::Pop( minValue ); |
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192 CleanupStack::PushL( minValueProperty ); |
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193 iNode.SetPropertyL( minValueProperty ); |
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194 CleanupStack::Pop( minValueProperty ); |
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195 |
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196 // Set max value property |
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197 CXnDomPropertyValue* maxValue = CXnDomPropertyValue::NewL( sp ); |
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198 CleanupStack::PushL( maxValue ); |
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199 maxValue->SetFloatValueL( CXnDomPropertyValue::ENumber, aMaximumValue ); |
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200 CXnProperty* maxValueProperty = CXnProperty::NewL( XnPropertyNames::volumecontrol::KMaxRange, maxValue, sp ); |
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201 CleanupStack::Pop( maxValue ); |
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202 CleanupStack::PushL( maxValueProperty ); |
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203 iNode.SetPropertyL( maxValueProperty ); |
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204 CleanupStack::Pop( maxValueProperty ); |
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205 |
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206 iVolumeControl->SetRange( aMinimumValue, aMaximumValue ); |
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207 iSteps = aMaximumValue - aMinimumValue; |
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208 } |
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209 |
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210 // ----------------------------------------------------------------------------- |
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211 // CXnVolumeControlAdapter::GetRange |
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212 // ----------------------------------------------------------------------------- |
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213 // |
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214 void CXnVolumeControlAdapter::GetRangeL( TInt& aMinimumValue, TInt& aMaximumValue ) |
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215 { |
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216 CXnProperty* minRange = iNode.GetPropertyL( XnPropertyNames::volumecontrol::KMinRange ); |
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217 aMinimumValue = static_cast<TInt>( minRange->FloatValueL() ); |
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218 |
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219 CXnProperty* maxRange = iNode.GetPropertyL( XnPropertyNames::volumecontrol::KMaxRange ); |
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220 aMaximumValue = static_cast<TInt>( maxRange->FloatValueL() ); |
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221 } |
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222 |
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223 // ----------------------------------------------------------------------------- |
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224 // CXnVolumeControlAdapter::DoHandlePropertyChangeL |
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225 // ----------------------------------------------------------------------------- |
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226 // |
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227 void CXnVolumeControlAdapter::DoHandlePropertyChangeL( CXnProperty* aProperty ) |
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228 { |
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229 if (aProperty) |
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230 { |
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231 TInt minValue; |
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232 TInt maxValue; |
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233 GetRangeL( minValue, maxValue ); |
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234 |
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235 if( aProperty->Property()->Name() == XnPropertyNames::volumecontrol::KVolumeLevelAdjustment ) |
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236 { |
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237 CXnDomStringPool& sp = iNode.UiEngineL()->StringPool(); |
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238 CXnDomPropertyValue* value = CXnDomPropertyValue::NewL( sp ); |
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239 CleanupStack::PushL( value ); |
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240 |
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241 const TDesC8& strValue = aProperty->StringValue(); |
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242 // Increase volume |
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243 if( strValue == XnPropertyNames::volumecontrol::KIncrease ) |
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244 { |
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245 TInt newValue = ValueL() + 1; |
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246 if( newValue >= minValue && newValue <= maxValue ) |
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247 { |
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248 value->SetFloatValueL( CXnDomPropertyValue::ENumber, ValueL() + 1 ); |
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249 } |
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250 else |
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251 { |
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252 CleanupStack::PopAndDestroy( value ); |
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253 return; |
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254 } |
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255 } |
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256 // Decrease volume |
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257 else if( strValue == XnPropertyNames::volumecontrol::KDecrease ) |
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258 { |
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259 TInt newValue = ValueL() - 1; |
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260 if( newValue >= minValue && newValue <= maxValue ) |
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261 { |
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262 value->SetFloatValueL( CXnDomPropertyValue::ENumber, ValueL() - 1 ); |
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263 } |
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264 else |
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265 { |
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266 CleanupStack::PopAndDestroy( value ); |
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267 return; |
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268 } |
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269 } |
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270 // Mute |
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271 else if( strValue == XnPropertyNames::volumecontrol::KMute ) |
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272 { |
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273 if( iMuted ) |
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274 { |
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275 value->SetFloatValueL( CXnDomPropertyValue::ENumber, iMutedValue ); |
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276 iMuted = EFalse; |
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277 } |
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278 else |
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279 { |
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280 value->SetFloatValueL( CXnDomPropertyValue::ENumber, minValue ); |
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281 iMutedValue = GetCurrentValueL(); |
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282 iMuted = ETrue; |
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283 } |
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284 } |
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285 CXnProperty* valueProperty = CXnProperty::NewL( XnPropertyNames::action::KValue, value, sp ); |
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286 CleanupStack::Pop( value ); |
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287 CleanupStack::PushL( valueProperty ); |
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288 iNode.SetPropertyL( valueProperty ); |
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289 CleanupStack::Pop( valueProperty ); |
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290 } |
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291 else if( aProperty->Property()->Name() == XnPropertyNames::action::KValue ) |
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292 { |
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293 TInt newValue = static_cast<TInt>( aProperty->FloatValueL() ); |
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294 if( newValue >= minValue && newValue <= maxValue ) |
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295 { |
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296 iVolumeControl->SetValue( newValue ); |
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297 NotifyObserverL(); |
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298 } |
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299 } |
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300 } |
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301 else |
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302 { |
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303 return; |
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304 } |
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305 } |
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306 |
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307 // ----------------------------------------------------------------------------- |
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308 // CXnVolumeControlAdapter::HandleScreenDeviceChangedL |
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309 // ----------------------------------------------------------------------------- |
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310 // |
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311 void CXnVolumeControlAdapter::HandleScreenDeviceChangedL() |
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312 { |
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313 |
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314 ConstructVolumeControlL(); |
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315 |
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316 CXnControlAdapter::HandleScreenDeviceChangedL(); |
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317 } |
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318 |
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319 // --------------------------------------------------------- |
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320 // CXnVolumeControlAdapter::SizeChanged() |
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321 // Called by framework when the view size is changed |
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322 // (other items were commented in a header). |
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323 // --------------------------------------------------------- |
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324 // |
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325 void CXnVolumeControlAdapter::SizeChanged() |
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326 { |
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327 CXnControlAdapter::SizeChanged(); |
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328 if( iVolumeControl ) |
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329 { |
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330 iVolumeControl->SetRect( iNode.Rect() ); |
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331 } |
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332 } |
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333 |
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334 // ----------------------------------------------------------------------------- |
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335 // CXnVolumeControlAdapter::CountComponentControls |
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336 // Returns the number of component controls. |
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337 // ----------------------------------------------------------------------------- |
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338 // |
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339 TInt CXnVolumeControlAdapter::CountComponentControls() const |
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340 { |
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341 return 1; |
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342 } |
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343 |
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344 // ----------------------------------------------------------------------------- |
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345 // CXnVolumeControlAdapter::ComponentControl |
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346 // Returns the component control of the given index |
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347 // ----------------------------------------------------------------------------- |
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348 // |
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349 CCoeControl* CXnVolumeControlAdapter::ComponentControl( TInt aIndex ) const |
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350 { |
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351 if( aIndex == 0 ) |
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352 { |
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353 return iVolumeControl; |
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354 } |
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355 |
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356 return NULL; |
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357 } |
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358 |
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359 // ----------------------------------------------------------------------------- |
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360 // CXnNewstickerAdapter::Draw |
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361 // ----------------------------------------------------------------------------- |
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362 // |
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363 void CXnVolumeControlAdapter::Draw(CWindowGc& aGc, const CCoeControl& /*aControl*/, |
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364 const TRect& aRect) const |
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365 { |
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366 CXnControlAdapter::Draw( aRect, aGc ); |
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367 } |
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368 |
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369 // ----------------------------------------------------------------------------- |
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370 // CXnVolumeControlAdapter::Draw |
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371 // Draws the text component |
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372 // ----------------------------------------------------------------------------- |
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373 // |
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374 void CXnVolumeControlAdapter::Draw(const TRect& aRect) const |
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375 { |
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376 CXnControlAdapter::Draw( aRect ); |
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377 } |
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378 |
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379 // ---------------------------------------------------------------------------- |
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380 // CXnVolumeControlAdapter::HandlePointerEventL |
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381 // Handles the pointer events. |
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382 // ---------------------------------------------------------------------------- |
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383 // |
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384 void CXnVolumeControlAdapter::HandlePointerEventL( const TPointerEvent& aPointerEvent ) |
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385 { |
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386 TRect rect( iVolumeControl->Rect() ); |
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387 |
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388 TReal incrementWidth( TReal( rect.Width() ) / iSteps ); |
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389 |
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390 TInt leftX( rect.iTl.iX ); |
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391 |
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392 if( aPointerEvent.iType == TPointerEvent::EButton1Down || |
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393 aPointerEvent.iType == TPointerEvent::EMove && iButton1Down ) |
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394 { |
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395 // By default change the value |
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396 TBool valueSet( EFalse ); |
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397 |
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398 for( TInt i = 1; i <= iSteps && !valueSet; i++ ) |
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399 { |
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400 // Calculate pixel range |
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401 TReal minX( leftX + ( ( i - 1 ) * incrementWidth ) ); |
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402 TReal maxX( minX + incrementWidth ); |
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403 |
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404 if( aPointerEvent.iPosition.iX >= minX && aPointerEvent.iPosition.iX <= maxX ) |
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405 { |
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406 TBool changeValue( ETrue ); |
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407 |
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408 if( iHitRect == TRect::EUninitialized ) |
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409 { |
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410 // Initialize |
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411 iHitRect = TRect( minX, rect.iTl.iY, maxX, rect.iBr.iY ); |
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412 } |
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413 else if( !( iHitRect.Contains( aPointerEvent.iPosition ) ) ) |
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414 { |
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415 // Reset, as position is changed |
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416 iHitRect = TRect( TRect::EUninitialized ); |
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417 changeValue = EFalse; |
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418 } |
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419 else |
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420 { |
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421 // Still in same slot, do not change value |
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422 changeValue = EFalse; |
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423 } |
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424 |
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425 if( changeValue ) |
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426 { |
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427 TInt value = ValueL(); |
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428 |
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429 if( value == i ) |
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430 { |
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431 value = value - 1; |
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432 } |
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433 else |
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434 { |
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435 value = i; |
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436 } |
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437 |
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438 //SetValueL will notify also the observer |
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439 SetValueL( value ); |
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440 DrawDeferred(); |
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441 valueSet = ETrue; |
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442 } |
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443 } |
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444 } |
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445 } |
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446 |
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447 if( aPointerEvent.iType == TPointerEvent::EButton1Down ) |
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448 { |
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449 iButton1Down = ETrue; |
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450 } |
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451 |
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452 else if( aPointerEvent.iType == TPointerEvent::EButton1Up ) |
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453 { |
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454 // Reset |
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455 iButton1Down = EFalse; |
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456 iHitRect = TRect( TRect::EUninitialized ); |
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457 } |
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458 } |
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459 |
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460 // ---------------------------------------------------------------------------- |
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461 // CXnVolumeControlAdapter::SetVolumeControlProperties |
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462 // Sets CSS properties for the volume control |
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463 // ---------------------------------------------------------------------------- |
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464 // |
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465 void CXnVolumeControlAdapter::SetVolumeControlPropertiesL() |
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466 { |
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467 // Read minrange property |
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468 CXnProperty* minRange = iNode.GetPropertyL( XnPropertyNames::volumecontrol::KMinRange ); |
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469 TInt minValue = 0; |
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470 |
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471 if( minRange ) |
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472 { |
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473 minValue = static_cast<TInt>( minRange->FloatValueL() ); |
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474 } |
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475 |
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476 // Read maxrange property |
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477 CXnProperty* maxRange = iNode.GetPropertyL( XnPropertyNames::volumecontrol::KMaxRange ); |
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478 TInt maxValue = 20; |
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479 |
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480 if( maxRange ) |
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481 { |
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482 maxValue = static_cast<TInt>( maxRange->FloatValueL() ); |
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483 } |
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484 |
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485 SetRangeL( minValue, maxValue ); |
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486 |
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487 TInt midRange( iSteps / 2 ); |
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488 TInt volValue( 0 ); |
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489 |
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490 if( iVolumeControl->Value() < minValue || |
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491 iVolumeControl->Value() > maxValue ) |
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492 { |
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493 // Set around to mid |
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494 volValue = midRange; |
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495 } |
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496 |
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497 // Read value property |
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498 CXnProperty* value = iNode.GetPropertyL( XnPropertyNames::action::KValue ); |
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499 |
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500 if( value ) |
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501 { |
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502 TInt valueProp = static_cast< TInt >( value->FloatValueL() ); |
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503 |
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504 if( valueProp >= minValue && valueProp <= maxValue ) |
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505 { |
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506 volValue = valueProp; |
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507 } |
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508 } |
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509 |
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510 SetValueL( volValue ); |
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511 } |
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512 |
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513 // ---------------------------------------------------------------------------- |
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514 // CXnVolumeControlAdapter::GetCurrentValue |
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515 // ---------------------------------------------------------------------------- |
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516 // |
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517 TInt CXnVolumeControlAdapter::GetCurrentValueL() |
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518 { |
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519 CXnProperty* valueProperty = iNode.GetPropertyL( XnPropertyNames::action::KValue ); |
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520 return static_cast<TInt>( valueProperty->FloatValueL() ); |
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521 } |
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522 |
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523 // ---------------------------------------------------------------------------- |
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524 // CXnVolumeControlAdapter::NotifyObserver |
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525 // ---------------------------------------------------------------------------- |
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526 // |
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527 void CXnVolumeControlAdapter::NotifyObserverL() |
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528 { |
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529 if( iObserver ) |
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530 { |
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531 iObserver->VolumeChanged( GetCurrentValueL() ); |
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532 } |
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533 } |