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1 /* |
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2 * Copyright (c) 2006 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: Implementation of the Ticker 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 <eikenv.h> |
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20 #include <coecntrl.h> |
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21 #include <coeccntx.h> |
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22 #include <coecobs.h> |
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23 // needed API for iAvkonAppUi |
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24 #include <aknappui.h> |
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25 #include <AknsUtils.h> |
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26 #include <aknconsts.h> |
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27 |
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28 //#include <aknlayoutdef.h> |
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29 //#include <aknlayout.lag> |
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30 // CAknLayoutFont API for font layouting |
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31 #include <AknLayoutFont.h> |
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32 |
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33 #include <aknenv.h> |
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34 // CAknIndicatorContainer API for updating text capacity indicator |
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35 #include <AknIndicatorContainer.h> |
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36 // MAknEditingStateIndicator API for updating text capacity indicator |
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37 // and setting state to edit indicators |
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38 #include <aknEditStateIndicator.h> |
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39 #include <aknnavi.h> |
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40 // CAknNavigationDecorator* iNaviDecorator |
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41 #include <aknnavide.h> |
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42 |
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43 #include <AknsDrawUtils.h> |
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44 #include <j2me/jdebug.h> |
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45 #include "CMIDTicker.h" |
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46 // needed for setting and removing displayables (iDisplayableRArray) |
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47 #include "CMIDDisplayable.h" |
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48 // CMIDUtils::MapJavaToETextChars in CMIDScrollingText::SetTextL |
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49 #include "CMIDUtils.h" |
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50 #include "CMIDUIManager.h" |
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51 |
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52 /** |
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53 * To enable ticker tracing, uncomment the follwing two lines and link |
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54 * to estlib.lib: |
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55 * |
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56 *#include <stdio.h> |
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57 *#define TRACE_TICKER 1 |
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58 */ |
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59 |
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60 /** Time between each tick.*/ |
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61 const TInt KTickPeriod = 40000; |
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62 |
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63 /** Scrolling width in pixels where increment increases*/ |
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64 const TInt KScrollingWidthLimit = 200; |
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65 |
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66 /** Increment values for two different scrolling widths*/ |
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67 const TInt KOnePixel = 1; |
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68 const TInt KTwoPixels = 2; |
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69 |
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70 _LIT(KLeftSquareBracket, "["); |
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71 _LIT(KRightSquareBracket, "]"); |
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72 _LIT(KTextCapacity, "(999) "); |
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73 |
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74 _LIT(KLeftSmalllBracket, "("); |
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75 _LIT(KRightSmallBracket, ")"); |
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76 |
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77 #ifdef _DEBUG |
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78 #define DEBUG_ARG(x) x |
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79 #else |
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80 #define DEBUG_ARG(x) |
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81 #endif |
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82 |
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83 // |
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84 // Private helper functions |
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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 // |
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90 void CleanupTicker(TAny* aTicker) |
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91 { |
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92 static_cast< CMIDTicker* >(aTicker)->Dispose(); |
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93 } |
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94 |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // Return the navi pane container. The method trapped should not leave. |
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98 // --------------------------------------------------------------------------- |
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99 // |
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100 CAknNavigationControlContainer* NaviContainerL() |
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101 { |
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102 CEikStatusPane *sp = iAvkonAppUi->StatusPane(); |
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103 CAknNavigationControlContainer* naviC = |
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104 static_cast<CAknNavigationControlContainer*>(sp->ControlL(TUid::Uid(EEikStatusPaneUidNavi))); |
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105 |
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106 return naviC; |
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107 } |
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108 |
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109 // --------------------------------------------------------------------------- |
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110 // Return a text layout defined in the platform LAF |
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111 // for text to be shown in the navi pane. According to the |
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112 // type of navi pane control the text layout may be different. |
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113 // We have chosen to use the same layout as the edit indicator |
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114 // text (the text showing how many chars are left in an editor). |
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115 // To use the layout used by navi pane labels use |
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116 // Navi_pane_texts_Line_1. This layout information determines the |
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117 // font and the text color. Text positioning is not taken from |
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118 // layout, the text is vertically centered and scrolled horizontally |
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119 // instead, h aligned to the left or right of the navi pane according |
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120 // to the directionality. |
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121 // --------------------------------------------------------------------------- |
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122 // |
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123 const TAknTextLineLayout Layout() |
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124 { |
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125 return AknLayout::Small_status_pane_texts_Line_1(0); |
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126 } |
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127 |
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128 // --------------------------------------------------------------------------- |
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129 // Return the text alignment according to locale alignment |
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130 // --------------------------------------------------------------------------- |
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131 // |
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132 CGraphicsContext::TTextAlign TextAlign() |
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133 { |
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134 return AknLayoutUtils::LayoutMirrored() ? CGraphicsContext::ERight : CGraphicsContext::ELeft; |
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135 } |
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136 |
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137 // |
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138 // class CMIDTickerController |
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139 // |
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140 |
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141 // --------------------------------------------------------------------------- |
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142 // |
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143 // --------------------------------------------------------------------------- |
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144 // |
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145 CMIDNaviPaneController* CMIDNaviPaneController::NewL() |
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146 { |
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147 CMIDNaviPaneController* self=new(ELeave) CMIDNaviPaneController(); |
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148 CleanupStack::PushL(self); |
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149 self->ConstructL(); |
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150 CleanupStack::Pop(self); |
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151 return self; |
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152 } |
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153 |
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154 // --------------------------------------------------------------------------- |
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155 // |
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156 // --------------------------------------------------------------------------- |
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157 // |
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158 CMIDNaviPaneController::~CMIDNaviPaneController() |
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159 { |
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160 delete iTickerTimer; |
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161 iTickerTimer = NULL; |
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162 delete iEditCapacityText; |
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163 iTickerObservers.Close(); |
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164 } |
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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 // |
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170 CMIDNaviPaneController::CMIDNaviPaneController() |
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171 { |
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172 } |
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173 |
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174 // --------------------------------------------------------------------------- |
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175 // |
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176 // --------------------------------------------------------------------------- |
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177 // |
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178 void CMIDNaviPaneController::ConstructL() |
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179 { |
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180 } |
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181 |
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182 // --------------------------------------------------------------------------- |
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183 // |
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184 // --------------------------------------------------------------------------- |
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185 // |
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186 void CMIDNaviPaneController::UpdateTextInputIndicatorL(TInt aCount) |
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187 { |
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188 delete iEditCapacityText; |
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189 iEditCapacityText = NULL; |
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190 |
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191 if (aCount >= 0 && aCount <= 999) |
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192 { |
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193 const CFont* font = AknLayoutUtils::FontFromId(Layout().FontId()); |
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194 TBuf<10> text; |
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195 |
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196 text.Append(KLeftSmalllBracket); |
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197 text.AppendNum(aCount); |
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198 text.Append(KRightSmallBracket); |
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199 |
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200 // set text localized (non Latin numbers) |
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201 AknTextUtils::LanguageSpecificNumberConversion(text); |
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202 |
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203 iEditCapacityText = TBidiText::NewL(text,1); |
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204 iEditCapacityText->WrapText(font->TextWidthInPixels(KTextCapacity), *font, NULL); |
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205 |
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206 AddEditCapacityTextToNaviPaneL(); |
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207 } |
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208 else |
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209 { |
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210 // to prevent panic if state indicator is NULL (it can happen when 3rd party FEP is active) |
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211 MAknEditingStateIndicator* indicator = CAknEnv::Static()->EditingStateIndicator(); |
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212 if (indicator) |
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213 { |
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214 indicator->IndicatorContainer()->SetIndicatorState( |
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215 TUid::Uid(EAknNaviPaneEditorIndicatorMessageLength), |
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216 EAknIndicatorStateOff); |
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217 } |
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218 } |
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219 } |
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220 |
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221 // --------------------------------------------------------------------------- |
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222 // |
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223 // --------------------------------------------------------------------------- |
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224 // |
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225 TBidiText* CMIDNaviPaneController::EditCapacityText() const |
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226 { |
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227 return iEditCapacityText; |
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228 } |
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229 |
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230 // --------------------------------------------------------------------------- |
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231 // |
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232 // --------------------------------------------------------------------------- |
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233 // |
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234 void CMIDNaviPaneController::AddTickerObserverL( |
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235 MMIDTickerObserver* aObserver) |
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236 { |
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237 ASSERT(aObserver); |
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238 if (iTickerObservers.Find(aObserver) == KErrNotFound) |
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239 { |
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240 User::LeaveIfError(iTickerObservers.Append(aObserver)); |
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241 } |
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242 } |
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243 |
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244 // --------------------------------------------------------------------------- |
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245 // |
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246 // --------------------------------------------------------------------------- |
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247 // |
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248 void CMIDNaviPaneController::RemoveTickerObserver( |
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249 MMIDTickerObserver* aObserver) |
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250 { |
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251 ASSERT(aObserver); |
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252 TInt index = iTickerObservers.Find(aObserver); |
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253 if (index != KErrNotFound) |
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254 { |
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255 iTickerObservers.Remove(index); |
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256 } |
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257 } |
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258 |
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259 // --------------------------------------------------------------------------- |
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260 // |
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261 // --------------------------------------------------------------------------- |
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262 // |
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263 void CMIDNaviPaneController::SetTickerL(CMIDTicker* aTicker) |
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264 { |
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265 if (!iTickerTimer && !aTicker) |
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266 { |
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267 // CMIDTickerTimer instance is created only when |
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268 // a ticker object is set |
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269 return; |
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270 } |
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271 if (!iTickerTimer) |
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272 { |
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273 iTickerTimer = CMIDTickerTimer::NewL(this); |
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274 } |
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275 iTickerTimer->SetTickerL(aTicker); |
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276 } |
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277 |
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278 |
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279 // --------------------------------------------------------------------------- |
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280 // |
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281 // --------------------------------------------------------------------------- |
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282 // |
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283 void CMIDNaviPaneController::ShowTickerL(TBool aShow) |
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284 { |
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285 if (iTickerTimer) |
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286 { |
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287 iTickerTimer->ShowTickerL(aShow); |
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288 } |
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289 } |
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290 |
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291 // --------------------------------------------------------------------------- |
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292 // |
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293 // --------------------------------------------------------------------------- |
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294 // |
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295 void CMIDNaviPaneController::PauseTickerL( |
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296 TInt aInterval, MMIDTickerObserver* aPausingObserver) |
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297 { |
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298 if (aInterval > 0) |
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299 { |
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300 // Set last observer to pause the ticker |
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301 iPausingObserver = aPausingObserver; |
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302 } |
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303 if (iTickerTimer) |
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304 { |
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305 iTickerTimer->PauseTickerL(aInterval, aPausingObserver); |
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306 } |
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307 } |
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308 |
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309 // --------------------------------------------------------------------------- |
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310 // |
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311 // --------------------------------------------------------------------------- |
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312 // |
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313 void CMIDNaviPaneController::TickerChangedL(CMIDTicker* aTicker, TTickerEvent aEvent) |
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314 { |
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315 if (iTickerTimer) |
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316 { |
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317 iTickerTimer->TickerChangedL(aTicker, aEvent); |
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318 } |
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319 } |
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320 |
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321 // --------------------------------------------------------------------------- |
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322 // |
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323 // --------------------------------------------------------------------------- |
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324 // |
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325 void CMIDNaviPaneController::LayoutTickerL() |
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326 { |
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327 if (iTickerTimer) |
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328 { |
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329 iTickerTimer->LayoutTickerL(); |
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330 } |
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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 // --------------------------------------------------------------------------- |
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336 // |
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337 void CMIDNaviPaneController::ResetTickerScrollingSpeedL() |
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338 { |
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339 if (iTickerTimer) |
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340 { |
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341 iTickerTimer->ResetScrollingSpeedL(); |
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342 } |
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343 } |
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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 void CMIDNaviPaneController::NotifyTickerObservers(TBool aShowing) |
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350 { |
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351 TInt numObservers = iTickerObservers.Count(); |
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352 for (TInt index = 0; index < numObservers; index++) |
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353 { |
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354 iTickerObservers[ index ]->TickerShowing(aShowing); |
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355 } |
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356 } |
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357 |
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358 // --------------------------------------------------------------------------- |
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359 // |
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360 // --------------------------------------------------------------------------- |
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361 // |
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362 void CMIDNaviPaneController::AddEditCapacityTextToNaviPaneL() |
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363 { |
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364 if (iEditCapacityText != NULL && |
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365 (!iTickerTimer || |
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366 !iTickerTimer->iEnabled || |
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367 !iTickerTimer->iTicker)) |
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368 { |
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369 // to prevent panic if state indicator is NULL (it can happen when 3rd party FEP is active) |
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370 MAknEditingStateIndicator* indicator = CAknEnv::Static()->EditingStateIndicator(); |
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371 if (indicator) |
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372 { |
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373 indicator->IndicatorContainer()->SetIndicatorState( |
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374 TUid::Uid(EAknNaviPaneEditorIndicatorMessageLength), EAknIndicatorStateOn); |
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375 indicator->IndicatorContainer()->SetIndicatorValueL( |
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376 TUid::Uid(EAknNaviPaneEditorIndicatorMessageLength), iEditCapacityText->Text()); |
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377 } |
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378 } |
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379 } |
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380 |
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381 |
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382 // --------------------------------------------------------------------------- |
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383 // |
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384 // --------------------------------------------------------------------------- |
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385 // |
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386 CMIDTickerTimer* CMIDTickerTimer::NewL(CMIDNaviPaneController* aController) |
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387 { |
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388 CMIDTickerTimer* self=new(ELeave) CMIDTickerTimer(aController); |
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389 CleanupStack::PushL(self); |
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390 self->ConstructL(); |
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391 CleanupStack::Pop(self); |
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392 return self; |
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393 } |
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394 |
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395 // --------------------------------------------------------------------------- |
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396 // |
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397 // --------------------------------------------------------------------------- |
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398 // |
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399 CMIDTickerTimer::~CMIDTickerTimer() |
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400 { |
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401 DEBUG("CMIDTickerTimer::~CMIDTickerTimer - calling StopL"); |
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402 TRAPD(ignore,StopL()); |
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403 if (ignore != KErrNone) |
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404 { |
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405 DEBUG_INT("CMIDTickerTimer::~CMIDTickerTimer - Exception from StopL. Error = %d", ignore); |
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406 } |
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407 } |
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408 |
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409 // --------------------------------------------------------------------------- |
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410 // |
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411 // --------------------------------------------------------------------------- |
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412 // |
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413 CMIDTickerTimer::CMIDTickerTimer(CMIDNaviPaneController* aCtrl) |
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414 : CTimer(CActive::EPriorityHigh) |
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415 , iCtrl(aCtrl) |
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416 , iTicker(NULL) |
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417 , iEnabled(EFalse) |
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418 , iIncrement(KOnePixel) |
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419 { |
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420 } |
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421 |
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422 // --------------------------------------------------------------------------- |
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423 // |
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424 // --------------------------------------------------------------------------- |
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425 // |
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426 void CMIDTickerTimer::ConstructL() |
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427 { |
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428 CTimer::ConstructL(); |
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429 ResetScrollingSpeedL(); |
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430 CActiveScheduler::Add(this); |
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431 } |
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432 |
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433 |
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434 // --------------------------------------------------------------------------- |
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435 // |
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436 // --------------------------------------------------------------------------- |
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437 // |
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438 void CMIDTickerTimer::RunL() |
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439 { |
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440 if (iIsPaused) |
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441 { |
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442 iIsPaused = EFalse; |
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443 StartL(); |
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444 return; |
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445 } |
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446 |
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447 if (iTicker) |
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448 { |
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449 iTicker->TickL(iIncrement); |
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450 Kick(); |
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451 } |
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452 } |
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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 void CMIDTickerTimer::TickerChangedL( |
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459 CMIDTicker* aTicker, CMIDNaviPaneController::TTickerEvent aEvent) |
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460 { |
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461 ASSERT(aTicker == iTicker); |
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462 (void)aTicker; // Just to suppress warning in release build |
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463 switch (aEvent) |
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464 { |
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465 case CMIDNaviPaneController::ENone: |
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466 case CMIDNaviPaneController::EModelChanged: |
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467 // ignore |
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468 break; |
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469 case CMIDNaviPaneController::ETextChanged: |
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470 break; |
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471 |
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472 case CMIDNaviPaneController::EPositionChanged: |
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473 iTicker->RenderL(); |
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474 break; |
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475 } |
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476 } |
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477 |
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478 |
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479 // --------------------------------------------------------------------------- |
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480 // |
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481 // --------------------------------------------------------------------------- |
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482 // |
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483 void CMIDTickerTimer::ShowTickerL(TBool aShow) |
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484 { |
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485 if (aShow) |
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486 { |
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487 StartL(); |
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488 } |
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489 else |
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490 { |
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491 StopL(); |
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492 } |
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493 } |
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494 |
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495 // --------------------------------------------------------------------------- |
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496 // |
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497 // --------------------------------------------------------------------------- |
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498 // |
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499 void CMIDTickerTimer::SetTickerL(CMIDTicker* aTicker) |
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500 { |
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501 if (iTicker != aTicker) |
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502 { |
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503 if (iTicker) |
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504 { |
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505 iTicker->StopL(); |
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506 iTicker->SetController(NULL); |
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507 iTicker->RemoveRef(); |
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508 } |
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509 |
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510 iTicker = aTicker; |
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511 |
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512 if (iTicker) |
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513 { |
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514 iTicker->AddRef(); |
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515 iTicker->SetController(iCtrl); |
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516 } |
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517 } |
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518 else |
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519 { |
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520 if (iTicker) |
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521 { |
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522 iTicker->PauseL(); |
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523 } |
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524 } |
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525 |
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526 // If the ticker is paused for textfield and textbox and displayable is changed |
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527 // cancel the pause timer and start the ticker |
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528 if (iIsPaused) |
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529 { |
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530 Cancel(); |
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531 } |
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532 |
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533 CheckedStart(); |
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534 } |
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535 |
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536 // --------------------------------------------------------------------------- |
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537 // |
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538 // --------------------------------------------------------------------------- |
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539 // |
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540 void CMIDTickerTimer::PauseTickerL(TInt aInterval, MMIDTickerObserver* aPausingObserver) |
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541 { |
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542 if (aInterval <= 0) |
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543 { |
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544 if (iCtrl->iPausingObserver == aPausingObserver) |
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545 { //only last requesting pausing observer can annulate request |
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546 iIsPaused = EFalse; |
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547 StartL(); |
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548 } |
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549 } |
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550 else |
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551 { |
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552 PauseL(); |
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553 After(aInterval); |
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554 iIsPaused = ETrue; |
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555 } |
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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 void CMIDTickerTimer::StartL() |
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563 { |
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564 Cancel(); |
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565 |
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566 iEnabled = ETrue; |
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567 iCtrl->NotifyTickerObservers(iEnabled && iTicker); |
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568 |
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569 if (iTicker) |
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570 { |
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571 iTicker->StartL(); |
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572 } |
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573 |
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574 iCtrl->iPausingObserver = NULL; |
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575 iIsPaused = EFalse; |
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576 |
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577 CheckedStart(); |
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578 } |
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579 |
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580 // --------------------------------------------------------------------------- |
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581 // |
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582 // --------------------------------------------------------------------------- |
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583 // |
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584 void CMIDTickerTimer::PauseL() |
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585 { |
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586 Cancel(); |
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587 |
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588 iEnabled = EFalse; |
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589 iCtrl->NotifyTickerObservers(iEnabled); |
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590 |
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591 if (iTicker) |
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592 { |
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593 iTicker->PauseL(); |
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594 } |
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595 |
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596 iCtrl->AddEditCapacityTextToNaviPaneL(); |
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597 } |
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598 |
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599 // --------------------------------------------------------------------------- |
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600 // |
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601 // --------------------------------------------------------------------------- |
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602 // |
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603 void CMIDTickerTimer::StopL() |
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604 { |
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605 iEnabled = EFalse; |
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606 iCtrl->NotifyTickerObservers(iEnabled); |
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607 |
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608 if (iTicker) |
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609 { |
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610 iTicker->StopL(); |
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611 } |
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612 |
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613 iCtrl->AddEditCapacityTextToNaviPaneL(); |
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614 |
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615 Cancel(); |
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616 } |
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617 |
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618 // --------------------------------------------------------------------------- |
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619 // |
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620 // --------------------------------------------------------------------------- |
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621 // |
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622 void CMIDTickerTimer::CheckedStart() |
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623 { |
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624 if (!iEnabled) |
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625 { |
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626 return; |
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627 } |
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628 if (NULL == iTicker) |
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629 { |
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630 return; |
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631 } |
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632 |
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633 if (!IsActive()) |
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634 { |
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635 Kick(); |
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636 } |
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637 } |
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638 |
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639 // --------------------------------------------------------------------------- |
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640 // |
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641 // --------------------------------------------------------------------------- |
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642 // |
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643 void CMIDTickerTimer::Kick() |
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644 { |
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645 ASSERT(iEnabled); |
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646 ASSERT(iTicker); |
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647 if (!IsActive()) |
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648 { |
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649 After(KTickPeriod); |
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650 } |
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651 } |
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652 |
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653 // --------------------------------------------------------------------------- |
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654 // |
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655 // --------------------------------------------------------------------------- |
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656 // |
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657 void CMIDTickerTimer::LayoutTickerL() |
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658 { |
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659 ResetScrollingSpeedL(); |
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660 if (iTicker) |
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661 { |
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662 iTicker->LayoutL(); |
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663 } |
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664 } |
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665 |
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666 // --------------------------------------------------------------------------- |
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667 // |
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668 // --------------------------------------------------------------------------- |
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669 // |
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670 void CMIDTickerTimer::ResetScrollingSpeedL() |
|
671 { |
|
672 if (CMIDScrollingText::ScrollingWidthL() <= KScrollingWidthLimit) |
|
673 { |
|
674 iIncrement = KOnePixel; |
|
675 } |
|
676 else |
|
677 { |
|
678 iIncrement = KTwoPixels; |
|
679 } |
|
680 } |
|
681 |
|
682 // |
|
683 // class CMIDTicker |
|
684 // |
|
685 // --------------------------------------------------------------------------- |
|
686 // |
|
687 // --------------------------------------------------------------------------- |
|
688 // |
|
689 MMIDTicker* CMIDTicker::NewL(const TDesC& aText) |
|
690 { |
|
691 CMIDTicker* ticker = new(ELeave) CMIDTicker; |
|
692 CleanupStack::PushL(TCleanupItem(CleanupTicker, ticker)); |
|
693 ticker->ConstructL(aText); |
|
694 CleanupStack::Pop(); |
|
695 return ticker; |
|
696 } |
|
697 |
|
698 // --------------------------------------------------------------------------- |
|
699 // |
|
700 // --------------------------------------------------------------------------- |
|
701 // |
|
702 CMIDTicker::CMIDTicker() : |
|
703 iRefCount(1) |
|
704 { |
|
705 } |
|
706 |
|
707 // --------------------------------------------------------------------------- |
|
708 // |
|
709 // --------------------------------------------------------------------------- |
|
710 // |
|
711 CMIDTicker::~CMIDTicker() |
|
712 { |
|
713 DEBUG("CMIDTicker::~CMIDTicker - calling StopL and RemoveDisplayableFromArrayL"); |
|
714 TRAPD(ignore, StopL(); RemoveDisplayableFromArrayL(NULL)); |
|
715 if (ignore != KErrNone) |
|
716 { |
|
717 DEBUG_INT("CMIDTicker::~CMIDTicker - Exception from StopL or RemoveDisplayableFromArrayL. Error = %d", ignore); |
|
718 } |
|
719 iDisplayableRArray.Reset(); |
|
720 iDisplayableRArray.Close(); |
|
721 |
|
722 delete iNaviDecorator; |
|
723 iNaviScrollingText = NULL; //deleted by navi decorator |
|
724 } |
|
725 |
|
726 // --------------------------------------------------------------------------- |
|
727 // |
|
728 // --------------------------------------------------------------------------- |
|
729 // |
|
730 void CMIDTicker::ConstructL(const TDesC& aText) |
|
731 { |
|
732 CAknNavigationControlContainer* naviC = NaviContainerL(); |
|
733 |
|
734 iNaviScrollingText = CMIDScrollingText::NewL(this,aText); |
|
735 iNaviScrollingText->SetContainerWindowL(*naviC); |
|
736 iNaviScrollingText->SetExtent(TPoint(0,0), naviC->Size()); |
|
737 |
|
738 iNaviDecorator = CAknNavigationDecorator::NewL(naviC, iNaviScrollingText, CAknNavigationDecorator::ENotSpecified); |
|
739 iNaviDecorator->SetContainerWindowL(*naviC); |
|
740 iNaviDecorator->MakeScrollButtonVisible(EFalse); |
|
741 } |
|
742 |
|
743 // --------------------------------------------------------------------------- |
|
744 // |
|
745 // --------------------------------------------------------------------------- |
|
746 // |
|
747 void CMIDTicker::Dispose() |
|
748 { |
|
749 if (iController) |
|
750 { |
|
751 TRAPD(ignore, iController->SetTickerL(NULL)); |
|
752 if (ignore != KErrNone) |
|
753 { |
|
754 DEBUG_INT("CMIDTicker::Dispose - Exception from CMIDNaviPaneController::SetTickerL(NULL). Error = %d", ignore); |
|
755 } |
|
756 } |
|
757 delete this; |
|
758 } |
|
759 |
|
760 // --------------------------------------------------------------------------- |
|
761 // |
|
762 // --------------------------------------------------------------------------- |
|
763 // |
|
764 void CMIDTicker::SetTextL(const TDesC& aText) |
|
765 { |
|
766 iNaviScrollingText->SetTextL(aText); |
|
767 } |
|
768 |
|
769 void CMIDTicker::AddRef() |
|
770 { |
|
771 ++iRefCount; |
|
772 } |
|
773 |
|
774 // --------------------------------------------------------------------------- |
|
775 // |
|
776 // --------------------------------------------------------------------------- |
|
777 // |
|
778 void CMIDTicker::RemoveRef() |
|
779 { |
|
780 ASSERT(iRefCount); |
|
781 --iRefCount; |
|
782 if (0 == iRefCount) |
|
783 { |
|
784 delete this; |
|
785 } |
|
786 } |
|
787 |
|
788 // --------------------------------------------------------------------------- |
|
789 // |
|
790 // --------------------------------------------------------------------------- |
|
791 // |
|
792 void CMIDTicker::SetDisplayableL(CMIDDisplayable* aDisplayable, TInt aAdd) |
|
793 { |
|
794 ASSERT(aDisplayable); |
|
795 |
|
796 if (aAdd) |
|
797 { //KAddDisplayable: |
|
798 iDisplayableRArray.Append(aDisplayable); |
|
799 } |
|
800 else |
|
801 { |
|
802 RemoveDisplayableFromArrayL(aDisplayable); |
|
803 } |
|
804 } |
|
805 |
|
806 // --------------------------------------------------------------------------- |
|
807 // if aDisplayable is not null then remove it |
|
808 // if aDisplayable is NULL mean remove all |
|
809 // --------------------------------------------------------------------------- |
|
810 // |
|
811 void CMIDTicker::RemoveDisplayableFromArrayL(CMIDDisplayable* aDisplayable) |
|
812 { |
|
813 // if aDisplayable is not null then remove it. |
|
814 if (aDisplayable) |
|
815 { |
|
816 TInt index = iDisplayableRArray.Find(aDisplayable); |
|
817 if (index != KErrNotFound) |
|
818 { |
|
819 CMIDDisplayable* displayable = iDisplayableRArray[index]; |
|
820 iDisplayableRArray.Remove(index); |
|
821 displayable->SetTickerL(NULL); |
|
822 } |
|
823 } |
|
824 else |
|
825 {// if aDisplayable is null mean remove all |
|
826 TInt count = iDisplayableRArray.Count(); |
|
827 for (TInt ii = 0; ii<count; ii++) |
|
828 { |
|
829 // Always remove the Zeroth element as we are removing |
|
830 // the element array size is changing (reducing). |
|
831 CMIDDisplayable* displayable = iDisplayableRArray[0]; // index zero is required |
|
832 iDisplayableRArray.Remove(0);// index zero is required |
|
833 displayable->SetTickerL(NULL); |
|
834 } |
|
835 } |
|
836 } |
|
837 |
|
838 // --------------------------------------------------------------------------- |
|
839 // Start the ticker: we must disable any edit indicators (this is done by observers |
|
840 // but there is an observer, CDateFieldItem, which uses an editor (CEikMfne) which is not |
|
841 // FEP aware and hence cannot disable the edit indicators at the right time. So we have to |
|
842 // do it in here instead. The push the navi decorator on the navi pane. This will assure |
|
843 // our scrolling text will be drawn. */ |
|
844 // --------------------------------------------------------------------------- |
|
845 // |
|
846 void CMIDTicker::StartL() |
|
847 { |
|
848 if (iNaviScrollingText->Size() == TSize(0,0)) |
|
849 { |
|
850 iNaviScrollingText->SetExtent(TPoint(0,0), NaviContainerL()->Size()); |
|
851 iNaviScrollingText->UpdateTickerLayoutL(); |
|
852 } |
|
853 |
|
854 // to prevent panic if state indicator is NULL (it can happen when 3rd party FEP is active) |
|
855 MAknEditingStateIndicator* indicator = CAknEnv::Static()->EditingStateIndicator(); |
|
856 if (indicator) |
|
857 { |
|
858 indicator->SetState(EStateNone); |
|
859 } |
|
860 NaviContainerL()->PushL(*iNaviDecorator); |
|
861 iNaviScrollingText->SetPaused(EFalse); |
|
862 } |
|
863 |
|
864 // --------------------------------------------------------------------------- |
|
865 // Pause the ticker, inform ScrollingText about pause mode, and remove our |
|
866 // navi decorator from the navi pane. */ |
|
867 // --------------------------------------------------------------------------- |
|
868 // |
|
869 void CMIDTicker::PauseL() |
|
870 { |
|
871 iNaviScrollingText->SetPaused(ETrue); |
|
872 NaviContainerL()->Pop(iNaviDecorator); |
|
873 } |
|
874 |
|
875 |
|
876 // --------------------------------------------------------------------------- |
|
877 // Stop the ticker: just remove our navi decorator from the navi pane. */ |
|
878 // --------------------------------------------------------------------------- |
|
879 // |
|
880 void CMIDTicker::StopL() |
|
881 { |
|
882 NaviContainerL()->Pop(iNaviDecorator); |
|
883 iNaviScrollingText->SetPaused(EFalse); |
|
884 } |
|
885 |
|
886 // --------------------------------------------------------------------------- |
|
887 // The text position is updated every tick, this achieves text scrolling. */ |
|
888 // --------------------------------------------------------------------------- |
|
889 // |
|
890 void CMIDTicker::TickL(TInt aIncrement) |
|
891 { |
|
892 iNaviScrollingText->UpdateTextPositionL(aIncrement); |
|
893 } |
|
894 |
|
895 void CMIDTicker::SetController(CMIDNaviPaneController* aController) |
|
896 { |
|
897 iController = aController; |
|
898 } |
|
899 |
|
900 CMIDNaviPaneController* CMIDTicker::Controller() const |
|
901 { |
|
902 return iController; |
|
903 } |
|
904 |
|
905 void CMIDTicker::ReportEventL(CMIDNaviPaneController::TTickerEvent aEvent) |
|
906 { |
|
907 if (iController) |
|
908 { |
|
909 iController->TickerChangedL(this, aEvent); |
|
910 } |
|
911 } |
|
912 |
|
913 // --------------------------------------------------------------------------- |
|
914 // Relayout ScrollingText, cancel pause mode. |
|
915 // --------------------------------------------------------------------------- |
|
916 // |
|
917 void CMIDTicker::LayoutL() |
|
918 { |
|
919 iNaviScrollingText->SetPaused(EFalse); |
|
920 iNaviScrollingText->UpdateTickerLayoutL(); |
|
921 } |
|
922 |
|
923 // --------------------------------------------------------------------------- |
|
924 // Redraw the status pane (out scrolling text is transparent so we need |
|
925 // the status pane to draw the navi pane background for us) |
|
926 // --------------------------------------------------------------------------- |
|
927 // |
|
928 void CMIDTicker::RenderL() |
|
929 { |
|
930 iAvkonAppUi->StatusPane()->DrawNow(); |
|
931 } |
|
932 |
|
933 // |
|
934 // CMIDScrollingText |
|
935 // |
|
936 |
|
937 CMIDScrollingText* CMIDScrollingText::NewL(CMIDTicker* aParent, const TDesC& aText) |
|
938 { |
|
939 CMIDScrollingText* self = new(ELeave) CMIDScrollingText(aParent); |
|
940 CleanupStack::PushL(self); |
|
941 self->ConstructL(aText); |
|
942 CleanupStack::Pop(self); |
|
943 return self; |
|
944 } |
|
945 |
|
946 CMIDScrollingText::~CMIDScrollingText() |
|
947 { |
|
948 delete iPictographInterface; |
|
949 delete iText; |
|
950 } |
|
951 |
|
952 void CMIDScrollingText::UpdateTickerLayoutL() |
|
953 { |
|
954 const CFont* font = AknLayoutUtils::FontFromId(Layout().FontId()); |
|
955 const CAknLayoutFont* layoutFont = CAknLayoutFont::AsCAknLayoutFontOrNull(font); |
|
956 |
|
957 if (layoutFont) |
|
958 { |
|
959 iBaseLineOffset = (iSize.iHeight - layoutFont->TextPaneHeight())/2 + layoutFont->TextPaneTopToBaseline(); |
|
960 } |
|
961 else |
|
962 { |
|
963 iBaseLineOffset = (iSize.iHeight - font->HeightInPixels())/2 + font->AscentInPixels(); |
|
964 } |
|
965 |
|
966 iTextWidth = font->TextWidthInPixels(iText->Text()); |
|
967 |
|
968 if (!iPaused) |
|
969 { |
|
970 InitialiseScrollingTextPosition(); |
|
971 } |
|
972 } |
|
973 |
|
974 void CMIDScrollingText::SetPaused(TBool aPause) |
|
975 { |
|
976 iPaused = aPause; |
|
977 } |
|
978 |
|
979 void CMIDScrollingText::SetTextL(const TDesC& aText) |
|
980 { |
|
981 HBufC* buf = aText.AllocL(); |
|
982 CMIDUtils::MapJavaToETextChars(buf,EFalse); |
|
983 delete iText; |
|
984 iText = NULL; |
|
985 iText = TBidiText::NewL(buf->Des(),1); |
|
986 |
|
987 UpdateTickerLayoutL(); |
|
988 } |
|
989 |
|
990 // --------------------------------------------------------------------------- |
|
991 // Static method returning an estimate of the scrolling width - |
|
992 // this must be the same for all tickers |
|
993 // --------------------------------------------------------------------------- |
|
994 // |
|
995 TInt CMIDScrollingText::ScrollingWidthL() |
|
996 { |
|
997 const CFont* font = AknLayoutUtils::FontFromId(Layout().FontId()); |
|
998 |
|
999 TInt w = NaviContainerL()->Size().iWidth; |
|
1000 w -= (font->TextWidthInPixels(KLeftSquareBracket) + font->TextWidthInPixels(KRightSquareBracket)); |
|
1001 |
|
1002 return w; |
|
1003 } |
|
1004 |
|
1005 CMIDScrollingText::CMIDScrollingText(CMIDTicker* aParent) : iParent(aParent) |
|
1006 { |
|
1007 } |
|
1008 |
|
1009 void CMIDScrollingText::ConstructL(const TDesC& aText) |
|
1010 { |
|
1011 SetTextL(aText); |
|
1012 |
|
1013 iPictographInterface = CAknPictographInterface::NewL(*this,*this); |
|
1014 } |
|
1015 |
|
1016 // --------------------------------------------------------------------------- |
|
1017 // Draw the text. Either "[ ... ]" or "(999) [ .. ]" where ... or .. is the |
|
1018 // scrolling text. Or if device is Right to Left: either "[ ... ]" or "[..] (999)" */ |
|
1019 // --------------------------------------------------------------------------- |
|
1020 // |
|
1021 void CMIDScrollingText::Draw(const TRect& aRect) const |
|
1022 { |
|
1023 TAknTextLineLayout layout = Layout(); |
|
1024 |
|
1025 CMIDNaviPaneController* controller = iParent->Controller(); |
|
1026 const CFont* font = AknLayoutUtils::FontFromId(layout.FontId()); |
|
1027 CWindowGc& gc = SystemGc(); |
|
1028 |
|
1029 gc.SetPenColor(TextColor()); |
|
1030 gc.UseFont(font); |
|
1031 |
|
1032 |
|
1033 //draw edit capacity text, eg "(999)" if needed |
|
1034 if (controller && controller->EditCapacityText() != NULL) |
|
1035 { |
|
1036 gc.DrawText(controller->EditCapacityText()->Text(), aRect, iBaseLineOffset, TextAlign(), 0); |
|
1037 } |
|
1038 |
|
1039 //draw "[" |
|
1040 gc.DrawText(KLeftSquareBracket, TPoint(LeftTextPosition(font) |
|
1041 - font->TextWidthInPixels(KLeftSquareBracket),iBaseLineOffset)); |
|
1042 |
|
1043 //draw "]" |
|
1044 gc.DrawText(KRightSquareBracket,TPoint(RightTextPosition(font),iBaseLineOffset)); |
|
1045 |
|
1046 |
|
1047 //clip area for scrolling text |
|
1048 gc.SetClippingRect(TRect(TPoint(LeftTextPosition(font), 0), TPoint(RightTextPosition(font), iSize.iHeight))); |
|
1049 |
|
1050 //draw scrolling text |
|
1051 iText->WrapText(iTextWidth, *font,0); |
|
1052 if (iPictographInterface) |
|
1053 { |
|
1054 MAknPictographDrawer* aknPictographDrawer = iPictographInterface->Interface(); |
|
1055 aknPictographDrawer->DrawText(gc, *font, iText->DisplayText(), |
|
1056 TPoint(iTextPosition,iBaseLineOffset)); |
|
1057 } |
|
1058 else |
|
1059 { |
|
1060 iText->DrawText(gc, TPoint(iTextPosition,iBaseLineOffset)); |
|
1061 } |
|
1062 |
|
1063 gc.CancelClippingRect(); |
|
1064 } |
|
1065 |
|
1066 void CMIDScrollingText::HandleResourceChange(TInt aType) |
|
1067 { |
|
1068 CCoeControl::HandleResourceChange(aType); |
|
1069 if (aType==KEikDynamicLayoutVariantSwitch || aType == KEikColorResourceChange) |
|
1070 { |
|
1071 if (aType == KEikDynamicLayoutVariantSwitch && iParent && iParent->Controller()) |
|
1072 {//change scrolling velocity if needed |
|
1073 DEBUG("CMIDScrollingText::HandleResourceChange - calling iParent->Controller()->ResetScrollingSpeedL"); |
|
1074 |
|
1075 TRAPD(ignore, iParent->Controller()->ResetTickerScrollingSpeedL()); |
|
1076 if (ignore != KErrNone) |
|
1077 { |
|
1078 DEBUG_INT("CMIDScrollingText::HandleResourceChange - Exception from iParent->Controller()->ResetScrollingSpeedL. Error = %d", ignore); |
|
1079 } |
|
1080 } |
|
1081 |
|
1082 //reset position and layout |
|
1083 iPaused = false; |
|
1084 DEBUG("CMIDScrollingText::HandleResourceChange - calling UpdateTickerLayoutL"); |
|
1085 TRAPD(ignore,UpdateTickerLayoutL()); |
|
1086 if (ignore != KErrNone) |
|
1087 { |
|
1088 DEBUG_INT("CMIDScrollingText::HandleResourceChange - Exception from UpdateTickerLayoutL. Error = %d", ignore); |
|
1089 } |
|
1090 |
|
1091 //and finally draw |
|
1092 DrawNow(); |
|
1093 } |
|
1094 } |
|
1095 |
|
1096 void CMIDScrollingText::SizeChanged() |
|
1097 { |
|
1098 // call parent implementation |
|
1099 CCoeControl::SizeChanged(); |
|
1100 |
|
1101 // update layout |
|
1102 TRAP_IGNORE(UpdateTickerLayoutL()); |
|
1103 } |
|
1104 |
|
1105 void CMIDScrollingText::DrawPictographArea() |
|
1106 { |
|
1107 // Does nothing - Ticker is updating himself |
|
1108 } |
|
1109 |
|
1110 // --------------------------------------------------------------------------- |
|
1111 // Scroll the text of aScrollAmount, the direction depends on the text directionality. The min |
|
1112 // and max text position are given by LeftTextPosition() and RightTextPosition(). |
|
1113 // --------------------------------------------------------------------------- |
|
1114 // |
|
1115 void CMIDScrollingText::UpdateTextPositionL(TInt aScrollAmount) |
|
1116 { |
|
1117 const CFont* font = AknLayoutUtils::FontFromId(Layout().FontId()); |
|
1118 |
|
1119 if (iPaused) |
|
1120 { |
|
1121 return; |
|
1122 } |
|
1123 |
|
1124 if (iText->Directionality() == TBidiText::ELeftToRight) |
|
1125 { |
|
1126 iTextPosition -= aScrollAmount; |
|
1127 if (iTextPosition < LeftTextPosition(font) - iTextWidth) |
|
1128 { |
|
1129 iTextPosition = RightTextPosition(font); |
|
1130 } |
|
1131 } |
|
1132 else |
|
1133 { |
|
1134 iTextPosition += aScrollAmount; |
|
1135 if (iTextPosition > RightTextPosition(font)) |
|
1136 { |
|
1137 iTextPosition = LeftTextPosition(font) - iTextWidth; |
|
1138 } |
|
1139 } |
|
1140 |
|
1141 iParent->ReportEventL(CMIDNaviPaneController::EPositionChanged); |
|
1142 } |
|
1143 |
|
1144 |
|
1145 // --------------------------------------------------------------------------- |
|
1146 // The text color, this is taken from the layout + any skinning should be taken into account. |
|
1147 // --------------------------------------------------------------------------- |
|
1148 // |
|
1149 inline TRgb CMIDScrollingText::TextColor() const |
|
1150 { |
|
1151 TRgb color = AKN_LAF_COLOR(Layout().iC); |
|
1152 |
|
1153 MAknsSkinInstance* skin = AknsUtils::SkinInstance(); |
|
1154 // Ignore error, color is not updated if it not found from the skin |
|
1155 AknsUtils::GetCachedColor(skin, color, KAknsIIDQsnTextColors, EAknsCIQsnTextColorsCG2); |
|
1156 |
|
1157 return color; |
|
1158 } |
|
1159 |
|
1160 // --------------------------------------------------------------------------- |
|
1161 // The space needed to draw "(999) " in pixels. |
|
1162 // --------------------------------------------------------------------------- |
|
1163 // |
|
1164 inline TInt CMIDScrollingText::EditCapacityWidth(const CFont* aFont) const |
|
1165 { |
|
1166 CMIDNaviPaneController* controller = iParent->Controller(); |
|
1167 |
|
1168 if (controller && controller->EditCapacityText() != NULL) |
|
1169 { |
|
1170 return aFont->TextWidthInPixels(KTextCapacity); |
|
1171 } |
|
1172 return 0; |
|
1173 } |
|
1174 |
|
1175 // --------------------------------------------------------------------------- |
|
1176 // The left position for scrolling text. According to the device directionality |
|
1177 // we must add or not the edit capacity width. |
|
1178 // --------------------------------------------------------------------------- |
|
1179 // |
|
1180 inline TInt CMIDScrollingText::LeftTextPosition(const CFont* aFont) const |
|
1181 { |
|
1182 return aFont->TextWidthInPixels(KLeftSquareBracket) + |
|
1183 (TextAlign() == CGraphicsContext::ELeft ? EditCapacityWidth(aFont) : 0); |
|
1184 } |
|
1185 |
|
1186 // --------------------------------------------------------------------------- |
|
1187 // The right position for scrolling text. According to the device directionality |
|
1188 // must add or not the edit capacity width. |
|
1189 // --------------------------------------------------------------------------- |
|
1190 // |
|
1191 inline TInt CMIDScrollingText::RightTextPosition(const CFont* aFont) const |
|
1192 { |
|
1193 return iSize.iWidth - aFont->TextWidthInPixels(KRightSquareBracket) - |
|
1194 (TextAlign() == CGraphicsContext::ELeft ? 0 : EditCapacityWidth(aFont)); |
|
1195 } |
|
1196 |
|
1197 // --------------------------------------------------------------------------- |
|
1198 // Sets the initial scrolling text position |
|
1199 // --------------------------------------------------------------------------- |
|
1200 // |
|
1201 void CMIDScrollingText::InitialiseScrollingTextPosition() |
|
1202 { |
|
1203 const CFont* font = AknLayoutUtils::FontFromId(Layout().FontId()); |
|
1204 if (iText->Directionality() == TBidiText::ELeftToRight) |
|
1205 { |
|
1206 iTextPosition = RightTextPosition(font); |
|
1207 } |
|
1208 else |
|
1209 { |
|
1210 iTextPosition = LeftTextPosition(font) - iTextWidth; |
|
1211 } |
|
1212 } |
|
1213 |
|
1214 // End of File |
|
1215 |
|
1216 |
|
1217 |
|
1218 |
|
1219 |
|
1220 |
|
1221 |
|
1222 |
|
1223 |
|
1224 |
|
1225 |
|
1226 |
|
1227 |
|
1228 |
|
1229 |
|
1230 |
|
1231 |
|
1232 |
|
1233 |
|
1234 |
|
1235 |