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1 /* |
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2 * Copyright (c) 2007-2008 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: Active Object header for CoverFlow |
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15 * |
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16 */ |
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17 |
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18 // Class Header |
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19 #include "mulcoverflowao.h" |
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20 |
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21 // Alf Headers |
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22 #include <math.h> |
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23 |
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24 // Local Header |
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25 #include "mulcoverflowcontrol.h" |
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26 #include "mulbaseelement.h" |
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27 #include "mullog.h" |
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28 |
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29 namespace Alf |
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30 { |
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31 |
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32 // --------------------------------------------------------------------------- |
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33 // MulCoverFlowAo |
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34 // --------------------------------------------------------------------------- |
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35 // |
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36 MulCoverFlowAo::MulCoverFlowAo( MulCoverFlowControl& aControl ) : CTimer( EPriorityNormal ), mControl(aControl) |
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37 { |
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38 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::MulCoverFlowAo"); |
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39 ConstructL(); |
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40 CActiveScheduler::Add(this); |
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41 } |
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42 |
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43 // --------------------------------------------------------------------------- |
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44 // ~MulCoverFlowAo |
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45 // --------------------------------------------------------------------------- |
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46 // |
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47 MulCoverFlowAo::~MulCoverFlowAo() |
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48 { |
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49 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::~MulCoverFlowAo"); |
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50 StopTimer(); |
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51 } |
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52 |
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53 // --------------------------------------------------------------------------- |
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54 // StartMoving |
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55 // --------------------------------------------------------------------------- |
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56 // |
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57 void MulCoverFlowAo::StartMoving(TReal32 aSpeedPoint, int aCurrGestureDirection,bool aFastScrollForKey,int aAnimationTime) |
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58 { |
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59 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::StartMoving"); |
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60 int previosDir = mCurrGestureDirection; |
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61 mCurrGestureDirection = aCurrGestureDirection; |
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62 |
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63 aSpeedPoint = aSpeedPoint < 0 ? aSpeedPoint * -1 : aSpeedPoint; |
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64 |
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65 // Fast scroll in key event , |
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66 // Three steps are there Max(100),150,200(Min). |
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67 if (aFastScrollForKey) |
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68 { |
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69 mTransitionTime = aAnimationTime; |
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70 } |
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71 else |
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72 { |
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73 mTransitionTime = 200 *(1 + (1 - aSpeedPoint)*5); |
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74 } |
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75 |
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76 if( !mStarted ) |
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77 { |
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78 // Cancle any pending requests and start a new request |
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79 // this is because the layout direction n speed should be changed according to the current swipe |
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80 if( IsActive() ) |
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81 { |
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82 MUL_LOG_INFO("MUL::MulCF::Cancel Previous Animation "); |
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83 Cancel(); |
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84 } |
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85 |
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86 MUL_LOG_INFO("MUL::MulCF::Start New Animation "); |
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87 mStarted = true; |
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88 After(0); |
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89 } |
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90 else |
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91 { |
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92 if (previosDir != mCurrGestureDirection) |
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93 { |
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94 mTransitionTime = 200; |
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95 Cancel(); |
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96 After(0); |
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97 } |
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98 else |
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99 { |
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100 } |
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101 } |
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102 |
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103 } |
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104 |
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105 // --------------------------------------------------------------------------- |
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106 // StopMoving |
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107 // --------------------------------------------------------------------------- |
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108 // |
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109 void MulCoverFlowAo::StopMoving() |
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110 { |
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111 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::StopMoving"); |
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112 StopTimer(); |
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113 mCurrGestureDirection = 0; |
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114 mTransitionTime = 0; |
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115 mWaitingTime = 0; |
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116 mStarted = false; |
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117 } |
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118 |
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119 // --------------------------------------------------------------------------- |
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120 // StopTimer |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 void MulCoverFlowAo::StopTimer() |
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124 { |
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125 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::StopTimer"); |
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126 if( IsActive() ) |
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127 { |
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128 Cancel(); |
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129 } |
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130 } |
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131 // --------------------------------------------------------------------------- |
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132 // RunL |
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133 // --------------------------------------------------------------------------- |
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134 // |
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135 void MulCoverFlowAo::RunL() |
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136 { |
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137 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::RunL"); |
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138 // Check if the layout ahs moved by one complete visaul. |
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139 // Then change the highlight and again start moving the layout. |
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140 // If it hasnot moved by complete visaul then allow the layout to move to new position but |
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141 // dont change the highlight |
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142 ChangeHighLight(); |
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143 After(fabs(mTransitionTime*600)); |
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144 } |
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145 |
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146 // --------------------------------------------------------------------------- |
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147 // ChangeHighLight |
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148 // --------------------------------------------------------------------------- |
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149 // |
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150 void MulCoverFlowAo::ChangeHighLight() |
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151 { |
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152 MUL_LOG_ENTRY_EXIT("aakash::MulCoverFlowAo::ChangeHighLight"); |
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153 // Inform widget/model that highlight has changed |
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154 if(mCurrGestureDirection > 0 ) |
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155 { |
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156 mControl.HandleNavigationEvent ( EEventScrollLeft ); |
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157 } |
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158 else if(mCurrGestureDirection < 0 ) |
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159 { |
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160 mControl.HandleNavigationEvent ( EEventScrollRight ); |
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161 } |
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162 else |
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163 { |
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164 // no need to change the highlight |
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165 } |
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166 } |
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167 |
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168 // --------------------------------------------------------------------------- |
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169 // FastScrollTransitionTime |
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170 // --------------------------------------------------------------------------- |
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171 // |
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172 int MulCoverFlowAo::FastScrollTransitionTime() |
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173 { |
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174 return mTransitionTime; |
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175 } |
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176 |
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177 } // End of namespace . |
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178 |
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179 //End of file |
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180 |
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181 |