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1 /* |
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2 * Copyright (c) 2002-2006 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: Text scrolling functionality. |
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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 FILES |
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20 #include <AknUtils.h> |
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21 #include <gulicon.h> |
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22 #include <AknsDrawUtils.h> |
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23 #include <AknBidiTextUtils.h> |
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24 |
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25 #include "xnnewstickercontrol.h" |
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26 #include "xnnewstickeradapter.h" |
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27 #include "xnproperty.h" |
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28 |
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29 // CONSTANTS |
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30 /** |
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31 * for the empty space in pixels between text and image. |
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32 */ |
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33 const TInt KGap = 10; |
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34 |
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35 |
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36 // ============================ MEMBER FUNCTIONS =============================== |
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37 |
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38 // ----------------------------------------------------------------------------- |
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39 // CXnNewstickerControl::CTitleData::CTitleData |
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40 // C++ default constructor can NOT contain any code, that |
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41 // might leave. |
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42 // ----------------------------------------------------------------------------- |
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43 // |
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44 CXnNewstickerControl::CTitleData::CTitleData(TInt aLenghtInPixels) : |
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45 iTitleIsSvg(EFalse), iTextLenghtInPixels(aLenghtInPixels) |
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46 { |
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47 } |
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48 |
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49 // ----------------------------------------------------------------------------- |
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50 // Destructor |
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51 // ----------------------------------------------------------------------------- |
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52 // |
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53 CXnNewstickerControl::CTitleData::~CTitleData() |
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54 { |
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55 delete iText; |
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56 delete iData; |
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57 } |
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58 |
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59 // ----------------------------------------------------------------------------- |
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60 // CXnNewstickerControl::CTitleData::ConstructL |
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61 // Symbian 2nd phase constructor can leave. |
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62 // ----------------------------------------------------------------------------- |
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63 // |
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64 void CXnNewstickerControl::CTitleData::ConstructL(const TDesC& aTitle) |
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65 { |
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66 delete iText; |
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67 iText = NULL; |
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68 iText = aTitle.AllocL(); |
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69 } |
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70 |
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71 // ----------------------------------------------------------------------------- |
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72 // CXnNewstickerControl::CTitleData::ConstructL |
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73 // Symbian 2nd phase constructor can leave. |
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74 // ----------------------------------------------------------------------------- |
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75 // |
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76 void CXnNewstickerControl::CTitleData::ConstructL(const TDesC8& aByteData) |
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77 { |
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78 iTitleIsSvg = ETrue; |
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79 iData = aByteData.AllocL(); |
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80 iText = KNullDesC().AllocL(); |
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81 } |
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82 |
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83 // ----------------------------------------------------------------------------- |
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84 // CXnNewstickerControl::CTitleData::NewL |
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85 // Two-phased constructor. |
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86 // ----------------------------------------------------------------------------- |
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87 // |
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88 CXnNewstickerControl::CTitleData* CXnNewstickerControl::CTitleData::NewL( |
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89 const TDesC& aTitle, TInt aLenghtInPixels) |
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90 { |
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91 CXnNewstickerControl::CTitleData* self = |
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92 CXnNewstickerControl::CTitleData::NewLC(aTitle, aLenghtInPixels); |
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93 CleanupStack::Pop(self); |
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94 return self; |
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95 } |
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96 |
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97 // ----------------------------------------------------------------------------- |
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98 // CXnNewstickerControl::CTitleData::NewLC |
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99 // Two-phased constructor. |
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100 // ----------------------------------------------------------------------------- |
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101 // |
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102 CXnNewstickerControl::CTitleData* CXnNewstickerControl::CTitleData::NewLC( |
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103 const TDesC& aTitle, TInt aLenghtInPixels) |
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104 { |
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105 CXnNewstickerControl::CTitleData* self = |
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106 new(ELeave) CXnNewstickerControl::CTitleData(aLenghtInPixels); |
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107 CleanupStack::PushL(self); |
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108 self->ConstructL(aTitle); |
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109 return self; |
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110 } |
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111 |
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112 // ----------------------------------------------------------------------------- |
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113 // CXnNewstickerControl::CTitleData::NewL |
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114 // Two-phased constructor. |
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115 // ----------------------------------------------------------------------------- |
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116 // |
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117 CXnNewstickerControl::CTitleData* CXnNewstickerControl::CTitleData::NewL( |
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118 const TDesC8& aByteData) |
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119 { |
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120 CXnNewstickerControl::CTitleData* self = |
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121 CXnNewstickerControl::CTitleData::NewLC(aByteData); |
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122 CleanupStack::Pop(self); |
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123 return self; |
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124 } |
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125 |
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126 // ----------------------------------------------------------------------------- |
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127 // CXnNewstickerControl::CTitleData::NewLC |
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128 // Two-phased constructor. |
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129 // ----------------------------------------------------------------------------- |
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130 // |
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131 CXnNewstickerControl::CTitleData* CXnNewstickerControl::CTitleData::NewLC( |
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132 const TDesC8& aByteData) |
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133 { |
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134 CXnNewstickerControl::CTitleData* self = |
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135 new(ELeave) CXnNewstickerControl::CTitleData(); |
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136 CleanupStack::PushL(self); |
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137 self->ConstructL(aByteData); |
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138 return self; |
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139 } |
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140 |
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141 // ----------------------------------------------------------------------------- |
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142 // CXnNewstickerControl::CTitleData::TitleText |
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143 // (other items were commented in a header). |
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144 // ----------------------------------------------------------------------------- |
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145 // |
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146 const TDesC& CXnNewstickerControl::CTitleData::TitleText() |
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147 { |
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148 return *iText; |
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149 } |
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150 |
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151 // ----------------------------------------------------------------------------- |
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152 // CXnNewstickerControl::CTitleData::SetTitleText |
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153 // (other items were commented in a header). |
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154 // ----------------------------------------------------------------------------- |
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155 // |
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156 void CXnNewstickerControl::CTitleData::SetTitleTextL(const TDesC& aTitle) |
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157 { |
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158 HBufC* newTitle = aTitle.AllocL(); |
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159 delete iText; |
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160 iText = newTitle; |
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161 } |
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162 |
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163 // ----------------------------------------------------------------------------- |
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164 // CXnNewstickerControl::CTitleData::TitleTextLengthInPixels |
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165 // (other items were commented in a header). |
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166 // ----------------------------------------------------------------------------- |
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167 // |
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168 TInt CXnNewstickerControl::CTitleData::TitleTextLengthInPixels() |
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169 { |
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170 return iTextLenghtInPixels; |
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171 } |
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172 |
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173 // ----------------------------------------------------------------------------- |
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174 // CXnNewstickerControl::CTitleData::SetTitleTextLengthInPixels |
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175 // (other items were commented in a header). |
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176 // ----------------------------------------------------------------------------- |
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177 // |
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178 void CXnNewstickerControl::CTitleData::SetTitleTextLengthInPixels(TInt aLenghtInPixels) |
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179 { |
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180 iTextLenghtInPixels = aLenghtInPixels; |
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181 } |
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182 |
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183 // ----------------------------------------------------------------------------- |
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184 // CXnNewstickerControl::CTitleData::IsSvgTitle |
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185 // (other items were commented in a header). |
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186 // ----------------------------------------------------------------------------- |
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187 // |
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188 TBool CXnNewstickerControl::CTitleData::IsSvgTitle() |
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189 { |
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190 return iTitleIsSvg; |
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191 } |
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192 |
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193 // ----------------------------------------------------------------------------- |
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194 // CXnNewstickerControl::CTitleData::SvgTitleData |
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195 // (other items were commented in a header). |
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196 // ----------------------------------------------------------------------------- |
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197 // |
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198 const TDesC8& CXnNewstickerControl::CTitleData::SvgTitleData() |
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199 { |
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200 return *iData; |
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201 } |
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202 |
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203 // ----------------------------------------------------------------------------- |
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204 // CXnNewstickerControl::CXnNewstickerControl |
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205 // C++ default constructor can NOT contain any code, that |
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206 // might leave. |
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207 // ----------------------------------------------------------------------------- |
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208 // |
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209 CXnNewstickerControl::CXnNewstickerControl(CXnNewstickerAdapter* aAdapter) : |
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210 iFirstDrawingTitleIndex(0), |
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211 iFirstDrawingOffset(0), |
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212 iImageWidthInPixels(0), |
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213 iCurrentTitleIndex(-1), |
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214 iSeparatorimage(NULL), |
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215 iSeparatorImageWidth(0), |
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216 iFont(NULL), |
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217 iTextBaseline(0), |
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218 iTextColor(KRgbBlack), |
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219 iUnderlining(EUnderlineOff), |
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220 iStrikethrough(EStrikethroughOff), |
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221 iIsWestern(ETrue), |
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222 iAdapter(aAdapter), |
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223 iTextAlignment(ELayoutAlignLeft) |
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224 { |
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225 } |
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226 |
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227 // ----------------------------------------------------------------------------- |
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228 // CXnNewstickerControl::ConstructL |
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229 // Symbian 2nd phase constructor can leave. |
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230 // ----------------------------------------------------------------------------- |
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231 // |
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232 void CXnNewstickerControl::ConstructL() |
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233 { |
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234 if(AknLayoutUtils::LayoutMirrored()) |
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235 { |
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236 iIsWestern = EFalse; |
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237 iTextAlignment = ELayoutAlignRight; |
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238 } |
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239 } |
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240 |
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241 // ----------------------------------------------------------------------------- |
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242 // CXnNewstickerControl::NewL |
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243 // Two-phased constructor. |
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244 // ----------------------------------------------------------------------------- |
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245 // |
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246 CXnNewstickerControl* CXnNewstickerControl::NewL(CXnNewstickerAdapter* aAdapter) |
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247 { |
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248 CXnNewstickerControl* self = new(ELeave)CXnNewstickerControl(aAdapter); |
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249 CleanupStack::PushL(self); |
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250 self->ConstructL(); |
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251 CleanupStack::Pop(); |
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252 return self; |
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253 } |
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254 |
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255 // ----------------------------------------------------------------------------- |
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256 // CXnNewstickerControl::~CXnNewstickerControl() |
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257 // Destructor. |
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258 // ----------------------------------------------------------------------------- |
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259 // |
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260 CXnNewstickerControl::~CXnNewstickerControl() |
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261 { |
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262 iTitles.ResetAndDestroy(); |
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263 delete iSeparatorimage; |
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264 } |
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265 |
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266 // ----------------------------------------------------------------------------- |
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267 // CXnNewstickerControl::SetScrollAmount |
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268 // (other items were commented in a header). |
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269 // ----------------------------------------------------------------------------- |
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270 // |
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271 void CXnNewstickerControl::SetScrollAmount(TInt aScrollAmount) |
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272 { |
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273 iSpeed = aScrollAmount; |
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274 } |
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275 |
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276 // ----------------------------------------------------------------------------- |
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277 // CXnNewstickerControl::SetNewstickerRect |
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278 // Set visible rect. |
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279 // (other items were commented in a header). |
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280 // ----------------------------------------------------------------------------- |
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281 // |
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282 void CXnNewstickerControl::SetNewstickerRect(TRect& aContentRect) |
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283 { |
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284 if(iContentRect != aContentRect) |
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285 { |
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286 iContentRect = aContentRect; |
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287 iTextBaseline = iContentRect.Height() / 2 + iFont->AscentInPixels() / 2; |
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288 SetBeginningState(); |
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289 for(TInt i = 0; i < iTitles.Count(); i++) |
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290 { |
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291 if(!iTitles[i]->IsSvgTitle()) |
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292 { |
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293 TInt textWidth = iFont->TextWidthInPixels( |
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294 iTitles[i]->TitleText()); |
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295 iTitles[i]->SetTitleTextLengthInPixels(textWidth); |
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296 } |
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297 } |
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298 CalculateTextFitInNewstickerRect(); |
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299 } |
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300 } |
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301 |
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302 // ----------------------------------------------------------------------------- |
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303 // CXnNewstickerControl::IsWestern |
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304 // Returns ETrue if western layout is used, otherwise EFalse is returned. |
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305 // (other items were commented in a header). |
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306 // ----------------------------------------------------------------------------- |
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307 // |
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308 TBool CXnNewstickerControl::IsWestern() |
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309 { |
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310 return iIsWestern; |
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311 } |
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312 |
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313 // ----------------------------------------------------------------------------- |
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314 // CXnNewstickerControl::AppendTitleL |
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315 // (other items were commented in a header). |
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316 // ----------------------------------------------------------------------------- |
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317 // |
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318 void CXnNewstickerControl::AppendTitleL(const TDesC& aTitle) |
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319 { |
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320 TInt textWidth = iFont->TextWidthInPixels(aTitle); |
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321 CTitleData* title = CTitleData::NewLC(aTitle, textWidth); |
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322 iTitles.AppendL(title); |
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323 CleanupStack::Pop(title); |
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324 |
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325 CalculateTextFitInNewstickerRect(); |
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326 |
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327 // if this is the first item |
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328 if(iTitles.Count() == 1) |
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329 { |
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330 iCurrentTitleIndex = 0; |
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331 iAdapter->StartL(); |
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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 // CXnNewstickerControl::InsertTitleL |
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337 // --------------------------------------------------------- |
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338 // |
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339 void CXnNewstickerControl::InsertTitleL(const TDesC& aTitle, TInt aIndex) |
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340 { |
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341 TInt textWidth = iFont->TextWidthInPixels(aTitle); |
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342 CTitleData* title = CTitleData::NewLC(aTitle, textWidth); |
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343 iTitles.InsertL(title, aIndex); |
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344 CleanupStack::Pop(title); |
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345 |
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346 |
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347 CountIndexAfterInsertL(aIndex); |
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348 CalculateTextFitInNewstickerRect(); |
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349 } |
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350 |
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351 // --------------------------------------------------------- |
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352 // CXnNewstickerControl::UpdateTitleL |
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353 // --------------------------------------------------------- |
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354 // |
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355 void CXnNewstickerControl::UpdateTitleL(const TDesC& aTitle, TInt aIndex) |
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356 { |
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357 if ( aIndex >= 0 && aIndex < iTitles.Count() ) |
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358 { |
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359 CTitleData* titleData = iTitles[aIndex]; |
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360 TInt textWidth = iFont->TextWidthInPixels(aTitle); |
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361 titleData->SetTitleTextL(aTitle); |
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362 titleData->SetTitleTextLengthInPixels(textWidth); |
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363 CalculateTextFitInNewstickerRect(); |
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364 } |
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365 else |
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366 { |
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367 AppendTitleL(aTitle); |
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368 } |
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369 } |
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370 |
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371 // --------------------------------------------------------- |
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372 // CXnNewstickerControl::DeleteTitle |
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373 // --------------------------------------------------------- |
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374 // |
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375 void CXnNewstickerControl::DeleteTitleL(TInt aIndex) |
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376 { |
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377 TInt count = iTitles.Count(); |
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378 if (aIndex >= 0 && aIndex < count) |
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379 { |
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380 // If the last item will be deleted |
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381 if(count == 1) |
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382 { |
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383 iAdapter->StopL(); |
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384 iFirstDrawingTitleIndex = GetNextTitleWithContent( 0 ); |
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385 SetBeginningState(); |
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386 iCurrentTitleIndex = -1; |
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387 } |
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388 if (aIndex == iFirstDrawingTitleIndex) |
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389 { |
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390 // If this happens to be the last item in the list |
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391 if(aIndex == count - 1) |
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392 { |
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393 iFirstDrawingTitleIndex = GetNextTitleWithContent( 0 ); |
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394 } |
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395 SetBeginningState(); |
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396 iCurrentTitleIndex = iFirstDrawingTitleIndex; |
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397 } |
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398 |
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399 // Check if the title was deleted before the current title |
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400 else if (aIndex < iFirstDrawingTitleIndex) |
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401 { |
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402 iCurrentTitleIndex--; |
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403 iFirstDrawingTitleIndex = GetNextTitleWithContent( iFirstDrawingTitleIndex-1, ETrue); |
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404 } |
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405 UpdateTitleL(KNullDesC, aIndex); |
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406 CalculateTextFitInNewstickerRect(); |
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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 // CXnNewstickerControl::CurrentTitleIndex |
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412 // --------------------------------------------------------- |
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413 // |
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414 TInt CXnNewstickerControl::CurrentTitleIndex() |
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415 { |
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416 return iCurrentTitleIndex; |
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417 } |
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418 |
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419 // --------------------------------------------------------- |
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420 // CXnNewstickerControl::Title |
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421 // --------------------------------------------------------- |
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422 // |
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423 const TDesC& CXnNewstickerControl::Title(TInt aIndex) |
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424 { |
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425 if (aIndex < 0 || aIndex > iTitles.Count()) |
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426 { |
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427 return KNullDesC; |
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428 } |
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429 |
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430 if (iTitles[aIndex]->IsSvgTitle()) |
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431 { |
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432 return KNullDesC; |
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433 } |
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434 |
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435 return iTitles[aIndex]->TitleText(); |
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436 } |
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437 |
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438 // --------------------------------------------------------- |
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439 // CXnNewstickerControl::SetSeparatorImageL |
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440 // --------------------------------------------------------- |
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441 // |
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442 TInt CXnNewstickerControl::SetSeparatorImageL(CGulIcon* aIcon) |
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443 { |
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444 CFbsBitmap* bitmap = aIcon->Bitmap(); |
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445 if(AknIconUtils::IsMifIcon(bitmap)) |
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446 { |
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447 delete iSeparatorimage; |
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448 iSeparatorimage = aIcon; |
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449 TInt maxHeight = iContentRect.Height(); |
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450 TSize size = TSize(maxHeight, maxHeight); |
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451 AknIconUtils::SetSize(bitmap, size, EAspectRatioPreservedAndUnusedSpaceRemoved); |
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452 iSeparatorImageWidth = bitmap->SizeInPixels().iWidth + KGap; |
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453 return KErrNone; |
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454 } |
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455 else |
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456 { |
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457 iSeparatorimage = NULL; |
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458 return KErrNotSupported; |
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459 } |
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460 } |
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461 |
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462 // --------------------------------------------------------- |
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463 // CXnNewstickerControl::ClearTitles |
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464 // --------------------------------------------------------- |
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465 // |
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466 void CXnNewstickerControl::ClearTitles() |
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467 { |
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468 TRAP_IGNORE(iAdapter->StopL()); |
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469 iFirstDrawingTitleIndex = 0; |
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470 SetBeginningState(); |
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471 iCurrentTitleIndex = -1; |
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472 // Don't delete just clear the contents |
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473 for( TInt i = 0; i < iTitles.Count(); ++i ) |
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474 { |
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475 TRAP_IGNORE( UpdateTitleL( KNullDesC, i ) ); |
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476 } |
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477 iTextFitInNewstickerRect = EFalse; |
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478 } |
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479 |
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480 // --------------------------------------------------------- |
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481 // CXnNewstickerControl::AppendSvgTitleL |
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482 // --------------------------------------------------------- |
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483 // |
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484 void CXnNewstickerControl::AppendSvgTitleL(const TDesC8& aByteData) |
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485 { |
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486 CTitleData* title = CTitleData::NewLC(aByteData); |
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487 iTitles.AppendL(title); |
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488 CleanupStack::Pop(title); |
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489 |
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490 // if this is the first item |
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491 if(iTitles.Count() == 1) |
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492 { |
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493 iCurrentTitleIndex = 0; |
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494 iAdapter->StartL(); |
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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 // CXnNewstickerControl::InsertSvgTitleL |
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500 // --------------------------------------------------------- |
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501 // |
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502 void CXnNewstickerControl::InsertSvgTitleL(const TDesC8& aByteData, TInt aIndex) |
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503 { |
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504 CTitleData* title = CTitleData::NewLC(aByteData); |
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505 iTitles.InsertL(title, aIndex); |
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506 CleanupStack::Pop(title); |
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507 CountIndexAfterInsertL(aIndex); |
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508 } |
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509 |
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510 // --------------------------------------------------------- |
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511 // CXnNewstickerControl::CurrentSvgTitle |
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512 // --------------------------------------------------------- |
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513 // |
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514 const TDesC8& CXnNewstickerControl::CurrentSvgTitle() |
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515 { |
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516 CTitleData* title = iTitles[iFirstDrawingTitleIndex]; |
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517 // Is it SVG title |
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518 if (title->IsSvgTitle()) |
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519 { |
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520 // Yes, advance the title index |
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521 iFirstDrawingTitleIndex++; |
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522 if (iFirstDrawingTitleIndex >= iTitles.Count()) |
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523 { |
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524 iFirstDrawingTitleIndex = 0; |
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525 } |
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526 |
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527 // Return the data |
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528 return title->SvgTitleData(); |
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529 } |
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530 |
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531 // Not svg title, return empty desc |
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532 return KNullDesC8; |
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533 } |
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534 |
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535 // --------------------------------------------------------- |
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536 // CXnNewstickerControl::TitleCount |
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537 // --------------------------------------------------------- |
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538 // |
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539 TInt CXnNewstickerControl::TitleCount() const |
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540 { |
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541 return iTitles.Count(); |
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542 } |
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543 |
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544 // ----------------------------------------------------------------------------- |
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545 // CXnNewstickerControl::MoveToNext |
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546 // ----------------------------------------------------------------------------- |
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547 // |
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548 void CXnNewstickerControl::MoveToNextL() |
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549 { |
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550 // If there are no titles, don't do anything. |
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551 if (!IsVisibleTitles()) |
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552 { |
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553 return ; |
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554 } |
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555 // Skip notification of the first title |
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556 if ( iCurrentTitleIndex != GetNextTitleWithContent( 0 ) ) |
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557 { |
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558 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleScrolled); |
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559 } |
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560 // Don't report the last TitleToScroll in case the scroll ended |
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561 if ( iAdapter->CurrentState() != CXnNewstickerAdapter::EScrollEnded ) |
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562 { |
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563 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleToScroll); |
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564 } |
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565 iAdapter->TitleScrolled(iFirstDrawingTitleIndex); |
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566 if (iAdapter->CurrentState() == CXnNewstickerAdapter::EAnimation) |
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567 { |
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568 iCurrentTitleIndex = GetNextTitleWithContent( iCurrentTitleIndex + 1 ); |
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569 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
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570 } |
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571 else |
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572 { |
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573 iCurrentTitleIndex = GetNextTitleWithContent( iFirstDrawingTitleIndex + 1); |
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574 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
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575 } |
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576 |
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577 // Check that we are still in range |
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578 if (iFirstDrawingTitleIndex >= iTitles.Count() || iFirstDrawingTitleIndex < 0) |
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579 { |
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580 iFirstDrawingTitleIndex = GetNextTitleWithContent( 0 ); |
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581 iCurrentTitleIndex = iFirstDrawingTitleIndex; |
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582 } |
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583 |
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584 SetBeginningState(); |
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585 } |
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586 |
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587 // ----------------------------------------------------------------------------- |
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588 // CXnNewstickerControl::MoveToFirstL |
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589 // ----------------------------------------------------------------------------- |
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590 // |
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591 void CXnNewstickerControl::MoveToFirstL() |
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592 { |
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593 // If there are no titles, don't do anything. |
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594 if (!IsVisibleTitles()) |
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595 { |
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596 return ; |
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597 } |
|
598 // Something already scrolling, report scroll done |
|
599 if ( iAdapter->CurrentState() == CXnNewstickerAdapter::EText ) |
|
600 { |
|
601 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleScrolled); |
|
602 iAdapter->TitleScrolled(iFirstDrawingTitleIndex); |
|
603 } |
|
604 |
|
605 TInt start = 0; // iIsWestern ? 0 : (iTitles.Count() - 1); |
|
606 |
|
607 iCurrentTitleIndex = GetNextTitleWithContent( start ); |
|
608 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
|
609 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleToScroll); |
|
610 SetBeginningState(); |
|
611 } |
|
612 |
|
613 // ----------------------------------------------------------------------------- |
|
614 // CXnNewstickerControl::MoveToLastL |
|
615 // ----------------------------------------------------------------------------- |
|
616 // |
|
617 void CXnNewstickerControl::MoveToLastL() |
|
618 { |
|
619 // If there are no titles, don't do anything. |
|
620 if (!IsVisibleTitles()) |
|
621 { |
|
622 return ; |
|
623 } |
|
624 // Something already scrolling, report scroll done |
|
625 if ( iAdapter->CurrentState() == CXnNewstickerAdapter::EText ) |
|
626 { |
|
627 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleScrolled); |
|
628 iAdapter->TitleScrolled(iFirstDrawingTitleIndex); |
|
629 } |
|
630 |
|
631 TInt start = iTitles.Count() - 1; // iIsWestern ? (iTitles.Count() - 1) : 0; |
|
632 |
|
633 iCurrentTitleIndex = GetNextTitleWithContent( start, ETrue ); |
|
634 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
|
635 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleToScroll); |
|
636 SetBeginningState(); |
|
637 } |
|
638 // ----------------------------------------------------------------------------- |
|
639 // CXnNewstickerControl::MoveToPrev |
|
640 // ----------------------------------------------------------------------------- |
|
641 // |
|
642 void CXnNewstickerControl::MoveToPrevL() |
|
643 { |
|
644 // If there are no titles, don't do anything. |
|
645 if (!IsVisibleTitles()) |
|
646 { |
|
647 return ; |
|
648 } |
|
649 |
|
650 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleScrolled); |
|
651 |
|
652 if (iAdapter->CurrentState() == CXnNewstickerAdapter::EAnimation) |
|
653 { |
|
654 iCurrentTitleIndex = GetNextTitleWithContent( iCurrentTitleIndex - 1, ETrue ); |
|
655 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
|
656 } |
|
657 else |
|
658 { |
|
659 iFirstDrawingTitleIndex = GetNextTitleWithContent( iFirstDrawingTitleIndex - 1, ETrue ); |
|
660 iCurrentTitleIndex = iFirstDrawingTitleIndex; |
|
661 } |
|
662 // Check that we are still in range |
|
663 if (iFirstDrawingTitleIndex >= iTitles.Count() || iFirstDrawingTitleIndex < 0) |
|
664 { |
|
665 iFirstDrawingTitleIndex = GetNextTitleWithContent( iTitles.Count() - 1, ETrue ); |
|
666 iCurrentTitleIndex = iFirstDrawingTitleIndex; |
|
667 } |
|
668 |
|
669 iAdapter->ReportNewstickerEventL(XnPropertyNames::action::trigger::name::KTitleToScroll); |
|
670 SetBeginningState(); |
|
671 } |
|
672 |
|
673 // ----------------------------------------------------------------------------- |
|
674 // CXnNewstickerControl::MoveToCurrent |
|
675 // ----------------------------------------------------------------------------- |
|
676 // |
|
677 void CXnNewstickerControl::MoveToCurrent() |
|
678 { |
|
679 // If there are no titles, don't do anything. |
|
680 if (!IsVisibleTitles()) |
|
681 { |
|
682 return ; |
|
683 } |
|
684 |
|
685 iFirstDrawingTitleIndex = iCurrentTitleIndex; |
|
686 SetBeginningState(); |
|
687 } |
|
688 |
|
689 // ----------------------------------------------------------------------------- |
|
690 // CXnNewstickerControl::CountIndexAfterInsert |
|
691 // ----------------------------------------------------------------------------- |
|
692 // |
|
693 void CXnNewstickerControl::CountIndexAfterInsertL(TInt aIndex) |
|
694 { |
|
695 // Check if the new title was inserted before the first drawing title |
|
696 if (aIndex <= iFirstDrawingTitleIndex) |
|
697 { |
|
698 iCurrentTitleIndex++; |
|
699 iFirstDrawingTitleIndex++; |
|
700 } |
|
701 |
|
702 // if this is the first item |
|
703 if(iTitles.Count() == 1 && GetNextTitleWithContent( 0 ) == 0) |
|
704 { |
|
705 iCurrentTitleIndex = 0; |
|
706 iFirstDrawingTitleIndex = 0; |
|
707 iAdapter->StartL(); |
|
708 } |
|
709 } |
|
710 |
|
711 // ----------------------------------------------------------------------------- |
|
712 // CXnNewstickerControl::SetFont |
|
713 // ----------------------------------------------------------------------------- |
|
714 void CXnNewstickerControl::SetFont(CFont* aFont) |
|
715 { |
|
716 if(iFont != aFont) |
|
717 { |
|
718 for(TInt i = 0; i < iTitles.Count(); i++) |
|
719 { |
|
720 if(!iTitles[i]->IsSvgTitle()) |
|
721 { |
|
722 TInt textWidth = aFont->TextWidthInPixels( |
|
723 iTitles[i]->TitleText()); |
|
724 iTitles[i]->SetTitleTextLengthInPixels(textWidth); |
|
725 } |
|
726 } |
|
727 iFont = aFont; |
|
728 iTextBaseline = iContentRect.Height() / 2 + iFont->AscentInPixels() / 2; |
|
729 CBitmapContext* gc = iAdapter->BufferGc(); |
|
730 if(gc) |
|
731 { |
|
732 gc->UseFont(aFont); |
|
733 } |
|
734 } |
|
735 } |
|
736 |
|
737 // ----------------------------------------------------------------------------- |
|
738 // CXnNewstickerControl::SetTextColor |
|
739 // ----------------------------------------------------------------------------- |
|
740 void CXnNewstickerControl::SetTextColor(TRgb aColor) |
|
741 { |
|
742 iTextColor = aColor; |
|
743 CBitmapContext* gc = iAdapter->BufferGc(); |
|
744 if(gc) |
|
745 { |
|
746 gc->SetPenColor(iTextColor); |
|
747 } |
|
748 } |
|
749 |
|
750 // ----------------------------------------------------------------------------- |
|
751 // CXnNewstickerControl::SetTextUnderlineStyle |
|
752 // ----------------------------------------------------------------------------- |
|
753 void CXnNewstickerControl::SetTextUnderlineStyle(TFontUnderline aStyle) |
|
754 { |
|
755 iUnderlining = aStyle; |
|
756 CBitmapContext* gc = iAdapter->BufferGc(); |
|
757 if(gc) |
|
758 { |
|
759 gc->SetUnderlineStyle(iUnderlining); |
|
760 } |
|
761 } |
|
762 |
|
763 // ----------------------------------------------------------------------------- |
|
764 // CXnNewstickerControl::SetTextUnderlineStyle |
|
765 // ----------------------------------------------------------------------------- |
|
766 void CXnNewstickerControl::SetTextStrikethroughStyle(TFontStrikethrough aStyle) |
|
767 { |
|
768 iStrikethrough = aStyle; |
|
769 CBitmapContext* gc = iAdapter->BufferGc(); |
|
770 if(gc) |
|
771 { |
|
772 gc->SetStrikethroughStyle(iStrikethrough); |
|
773 } |
|
774 } |
|
775 |
|
776 // ----------------------------------------------------------------------------- |
|
777 // CXnNewstickerControl::PrepareToDrawL |
|
778 // (other items were commented in a header). |
|
779 // ----------------------------------------------------------------------------- |
|
780 // |
|
781 void CXnNewstickerControl::PrepareToDrawLtrL() |
|
782 { |
|
783 CBitmapContext* gc = iAdapter->BufferGc(); |
|
784 const CFbsBitmap* background = iAdapter->BackgroundBitmap(); |
|
785 if(!gc || !background || !IsVisibleTitles() ) |
|
786 { |
|
787 return; |
|
788 } |
|
789 iFirstDrawingTitleIndex = GetNextTitleWithContent( iFirstDrawingTitleIndex ); |
|
790 if ( iFirstDrawingTitleIndex < 0 ) |
|
791 { |
|
792 return; |
|
793 } |
|
794 if (iTitles[iFirstDrawingTitleIndex]->IsSvgTitle()) |
|
795 { |
|
796 // Show SVG title |
|
797 iAdapter->ShowSvgL(); |
|
798 |
|
799 // Just in case, draw background to d-buffer |
|
800 gc->BitBlt(TPoint(0,0), background); |
|
801 return; |
|
802 } |
|
803 |
|
804 CGraphicsContext::TTextAlign alignment = TextAlignment(); |
|
805 if ( iTextFitInNewstickerRect || |
|
806 iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate && iTitles.Count() == 1 ) |
|
807 { |
|
808 iAdapter->StopL(); |
|
809 SetBeginningState(); |
|
810 } |
|
811 |
|
812 TInt drawingPos(-iFirstDrawingOffset); |
|
813 |
|
814 // At first, draw background |
|
815 gc->BitBlt(TPoint(0,0), background); |
|
816 TInt textLeft = iTitles[iFirstDrawingTitleIndex]->TitleTextLengthInPixels() - |
|
817 iFirstDrawingOffset; |
|
818 TInt drawingTitleIndex = iFirstDrawingTitleIndex; |
|
819 TInt drawingOffset(0); |
|
820 |
|
821 // Main drawing loop. This loop runs as long as drawing area is not filled |
|
822 // if Scroll behaviour is slide, then short text drawn only once. |
|
823 FOREVER |
|
824 { |
|
825 TRect clipRect(TPoint(drawingPos,0), TPoint(iContentRect.Width(), iContentRect.Height())); |
|
826 if ( iTextFitInNewstickerRect ) |
|
827 { |
|
828 clipRect.SetWidth( clipRect.Width()-drawingPos); |
|
829 } |
|
830 // if the rest text fits into visible area |
|
831 if (textLeft <= iContentRect.Width() - drawingOffset) |
|
832 { |
|
833 gc->DrawText(iTitles[drawingTitleIndex]->TitleText(), |
|
834 clipRect, |
|
835 iTextBaseline, |
|
836 alignment); |
|
837 |
|
838 TInt drawnLength = iTitles[drawingTitleIndex]->TitleTextLengthInPixels() + KGap; |
|
839 drawingPos += drawnLength; |
|
840 drawingOffset = drawingPos; |
|
841 |
|
842 // Update title index, if needed |
|
843 drawingTitleIndex++; |
|
844 if(drawingTitleIndex >= iTitles.Count()) |
|
845 { |
|
846 drawingTitleIndex = 0; |
|
847 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::ESlide || iTextFitInNewstickerRect ) |
|
848 { |
|
849 // what a dirty code! |
|
850 break; |
|
851 } |
|
852 } |
|
853 if(iSeparatorimage) |
|
854 { |
|
855 textLeft = 0; |
|
856 } |
|
857 else |
|
858 { |
|
859 if (iTitles[drawingTitleIndex]->IsSvgTitle()) |
|
860 { |
|
861 return; |
|
862 } |
|
863 else |
|
864 { |
|
865 textLeft = iTitles[drawingTitleIndex]->TitleTextLengthInPixels(); |
|
866 } |
|
867 } |
|
868 } |
|
869 else |
|
870 { |
|
871 // Clip the text if needed in alternate mode |
|
872 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate ) |
|
873 { |
|
874 HBufC* title = iTitles[drawingTitleIndex]->TitleText().AllocLC(); |
|
875 TPtr titlePtr = title->Des(); |
|
876 TInt maxLength = iContentRect.Width(); |
|
877 AknBidiTextUtils::ConvertToVisualAndClipL( |
|
878 titlePtr, *iFont, maxLength, maxLength ); |
|
879 gc->DrawText( titlePtr, clipRect, iTextBaseline, alignment ); |
|
880 CleanupStack::PopAndDestroy( title ); |
|
881 } |
|
882 else |
|
883 { |
|
884 gc->DrawText(iTitles[drawingTitleIndex]->TitleText(), |
|
885 clipRect, |
|
886 iTextBaseline, |
|
887 alignment); |
|
888 |
|
889 } |
|
890 break; |
|
891 } |
|
892 |
|
893 if(iSeparatorimage) |
|
894 { |
|
895 TInt imageLeft = iSeparatorImageWidth - KGap; |
|
896 |
|
897 // if the rest of the image fits into visible area |
|
898 if (imageLeft <= iContentRect.Width() - drawingOffset) |
|
899 { |
|
900 gc->BitBltMasked(TPoint(drawingPos, 0), iSeparatorimage->Bitmap(), |
|
901 TRect(TPoint(0,0), |
|
902 iSeparatorimage->Bitmap()->SizeInPixels()), iSeparatorimage->Mask(), ETrue); |
|
903 drawingPos += iSeparatorImageWidth; |
|
904 drawingOffset = drawingPos; |
|
905 textLeft = iTitles[drawingTitleIndex]->TitleTextLengthInPixels(); |
|
906 if (iTitles[drawingTitleIndex]->IsSvgTitle()) |
|
907 { |
|
908 return; |
|
909 } |
|
910 } |
|
911 else |
|
912 { |
|
913 gc->BitBltMasked(TPoint(drawingPos, 0), iSeparatorimage->Bitmap(), |
|
914 TRect(TPoint(0,0), iSeparatorimage->Bitmap()->SizeInPixels()), |
|
915 iSeparatorimage->Mask(), ETrue); |
|
916 break; |
|
917 } |
|
918 } |
|
919 |
|
920 if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate || |
|
921 iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate ) |
|
922 { |
|
923 break; |
|
924 } |
|
925 } |
|
926 } |
|
927 |
|
928 // ----------------------------------------------------------------------------- |
|
929 // CXnNewstickerControl::PrepareToDrawRtlL |
|
930 // (other items were commented in a header). |
|
931 // ----------------------------------------------------------------------------- |
|
932 // |
|
933 void CXnNewstickerControl::PrepareToDrawRtlL() |
|
934 { |
|
935 CBitmapContext* gc = iAdapter->BufferGc(); |
|
936 const CFbsBitmap* background = iAdapter->BackgroundBitmap(); |
|
937 if(!gc || !background || !IsVisibleTitles() ) |
|
938 { |
|
939 return; |
|
940 } |
|
941 if (iTitles[iFirstDrawingTitleIndex]->IsSvgTitle()) |
|
942 { |
|
943 // Show SVG title |
|
944 iAdapter->ShowSvgL(); |
|
945 |
|
946 // Just in case, draw background to d-buffer |
|
947 gc->BitBlt(TPoint(0,0), background); |
|
948 return; |
|
949 } |
|
950 |
|
951 CGraphicsContext::TTextAlign alignment = TextAlignment(); |
|
952 if ( iTextFitInNewstickerRect || |
|
953 iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate && iTitles.Count() == 1 ) |
|
954 { |
|
955 SetBeginningState(); |
|
956 iAdapter->StopL(); |
|
957 } |
|
958 |
|
959 // At first, draw background |
|
960 gc->BitBlt(TPoint(0,0), background); |
|
961 |
|
962 TInt textLeft = iFirstDrawingOffset - |
|
963 iTitles[iFirstDrawingTitleIndex]->TitleTextLengthInPixels(); |
|
964 if(textLeft >= iContentRect.Width() ) |
|
965 { |
|
966 textLeft = 0; |
|
967 } |
|
968 TInt drawingTitleIndex = iFirstDrawingTitleIndex; |
|
969 TInt drawingOffset(iContentRect.iBr.iX); |
|
970 |
|
971 TRect clipRect(TPoint(0,0), TPoint(iFirstDrawingOffset, iContentRect.Height())); |
|
972 TInt clipWidth = clipRect.Width(); |
|
973 // Main drawing loop. This loop runs as long as drawing area is not filled |
|
974 FOREVER |
|
975 { |
|
976 // if the rest text fits into visible area |
|
977 if (textLeft <= drawingOffset) |
|
978 { |
|
979 HBufC* title = iTitles[drawingTitleIndex]->TitleText().AllocLC(); |
|
980 TPtr titlePtr = title->Des(); |
|
981 |
|
982 // convert to visual, do not clip |
|
983 TInt maxLength = iTitles[drawingTitleIndex]->TitleTextLengthInPixels(); |
|
984 AknBidiTextUtils::ConvertToVisualAndClipL( titlePtr, *iFont, |
|
985 maxLength, maxLength ); |
|
986 |
|
987 gc->DrawText( titlePtr, clipRect, iTextBaseline, alignment ); |
|
988 CleanupStack::PopAndDestroy( title ); |
|
989 |
|
990 TInt drawnLength = iTitles[drawingTitleIndex]->TitleTextLengthInPixels() + KGap; |
|
991 clipWidth -= drawnLength; |
|
992 clipRect.SetWidth(clipWidth); |
|
993 drawingOffset = clipRect.iBr.iX; |
|
994 |
|
995 // Update title index |
|
996 drawingTitleIndex++; |
|
997 if(drawingTitleIndex >= iTitles.Count()) |
|
998 { |
|
999 drawingTitleIndex = 0; |
|
1000 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::ESlide || iTextFitInNewstickerRect) |
|
1001 { |
|
1002 // what a dirty code! |
|
1003 break; |
|
1004 } |
|
1005 } |
|
1006 if(iSeparatorimage) |
|
1007 { |
|
1008 textLeft = 0xfff; |
|
1009 } |
|
1010 else |
|
1011 { |
|
1012 if (iTitles[drawingTitleIndex]->IsSvgTitle()) |
|
1013 { |
|
1014 return; |
|
1015 } |
|
1016 else |
|
1017 { |
|
1018 textLeft = iTitles[drawingTitleIndex]->TitleTextLengthInPixels(); |
|
1019 } |
|
1020 } |
|
1021 } |
|
1022 else |
|
1023 { |
|
1024 // Clip the text if needed in alternate mode |
|
1025 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate ) |
|
1026 { |
|
1027 HBufC* title = iTitles[drawingTitleIndex]->TitleText().AllocLC(); |
|
1028 TPtr titlePtr = title->Des(); |
|
1029 TInt maxLength = iContentRect.Width(); |
|
1030 AknBidiTextUtils::ConvertToVisualAndClipL( |
|
1031 titlePtr, *iFont, maxLength, maxLength ); |
|
1032 gc->DrawText( titlePtr, clipRect, iTextBaseline, alignment ); |
|
1033 CleanupStack::PopAndDestroy( title ); |
|
1034 } |
|
1035 else |
|
1036 { |
|
1037 gc->DrawText(iTitles[drawingTitleIndex]->TitleText(), clipRect, |
|
1038 iTextBaseline, alignment); |
|
1039 } |
|
1040 break; |
|
1041 } |
|
1042 |
|
1043 if(iSeparatorimage) |
|
1044 { |
|
1045 TInt imageLeft = iSeparatorImageWidth - KGap; |
|
1046 |
|
1047 // if the rest of the image fits into visible area |
|
1048 if (imageLeft <= drawingOffset) |
|
1049 { |
|
1050 gc->BitBltMasked(TPoint(clipRect.iBr.iX - imageLeft, 0), |
|
1051 iSeparatorimage->Bitmap(), TRect(TPoint(0,0), |
|
1052 iSeparatorimage->Bitmap()->SizeInPixels()), |
|
1053 iSeparatorimage->Mask(), ETrue); |
|
1054 clipWidth -= iSeparatorImageWidth; |
|
1055 clipRect.SetWidth(clipWidth); |
|
1056 drawingOffset = clipRect.iBr.iX; |
|
1057 textLeft = iTitles[drawingTitleIndex]->TitleTextLengthInPixels(); |
|
1058 if (iTitles[drawingTitleIndex]->IsSvgTitle()) |
|
1059 { |
|
1060 return; |
|
1061 } |
|
1062 } |
|
1063 else |
|
1064 { |
|
1065 gc->BitBltMasked(TPoint(clipRect.iBr.iX - imageLeft, 0), |
|
1066 iSeparatorimage->Bitmap(), TRect(TPoint(0,0), |
|
1067 iSeparatorimage->Bitmap()->SizeInPixels()), |
|
1068 iSeparatorimage->Mask(), ETrue); |
|
1069 break; |
|
1070 } |
|
1071 } |
|
1072 |
|
1073 if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate || |
|
1074 iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate ) |
|
1075 { |
|
1076 break; |
|
1077 } |
|
1078 } |
|
1079 } |
|
1080 |
|
1081 // ----------------------------------------------------------------------------- |
|
1082 // CXnNewstickerControl::DoScrollL |
|
1083 // (other items were commented in a header). |
|
1084 // ----------------------------------------------------------------------------- |
|
1085 // |
|
1086 void CXnNewstickerControl::DoScrollL() |
|
1087 { |
|
1088 // If there are no titles, don't do anything. |
|
1089 if( !IsVisibleTitles() || iFirstDrawingTitleIndex < 0 ) |
|
1090 { |
|
1091 return; |
|
1092 } |
|
1093 |
|
1094 iAdapter->DrawNow(); |
|
1095 |
|
1096 if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScroll || |
|
1097 iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::ESlide || |
|
1098 ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate && |
|
1099 !CalculateCurrentTextFitInNewstickerRect() ) ) |
|
1100 { |
|
1101 iAdapter->SetTimerToScrolltime(); |
|
1102 iFirstDrawingOffset += iSpeed; // advance text |
|
1103 TInt titleLen = iTitles[iFirstDrawingTitleIndex]->TitleTextLengthInPixels() + |
|
1104 iSeparatorImageWidth; |
|
1105 |
|
1106 // if 100% (or more) has been drawn update... |
|
1107 if ((iIsWestern && iFirstDrawingOffset >= titleLen) || |
|
1108 (!iIsWestern && iFirstDrawingOffset - titleLen >= iContentRect.Width())) |
|
1109 { |
|
1110 iAdapter->TitleScrolled(iFirstDrawingTitleIndex); |
|
1111 iFirstDrawingTitleIndex = GetNextTitleWithContent( iFirstDrawingTitleIndex + 1); |
|
1112 if(iFirstDrawingTitleIndex >= iTitles.Count()) |
|
1113 { |
|
1114 iFirstDrawingTitleIndex = GetNextTitleWithContent( 0 ); |
|
1115 if (iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::ESlide ) |
|
1116 { |
|
1117 if ( iIsWestern ) |
|
1118 { |
|
1119 iFirstDrawingOffset = -(iContentRect.iBr.iX-iContentRect.iTl.iX-KGap); |
|
1120 } |
|
1121 else |
|
1122 { |
|
1123 iFirstDrawingOffset = 0; |
|
1124 } |
|
1125 } |
|
1126 else |
|
1127 { |
|
1128 iFirstDrawingOffset -= titleLen + KGap; |
|
1129 } |
|
1130 } |
|
1131 else |
|
1132 { |
|
1133 iFirstDrawingOffset -= titleLen + KGap; |
|
1134 } |
|
1135 iCurrentTitleIndex = iFirstDrawingTitleIndex; |
|
1136 |
|
1137 if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate && |
|
1138 CalculateCurrentTextFitInNewstickerRect() ) |
|
1139 { |
|
1140 MoveToNextL(); |
|
1141 } |
|
1142 } |
|
1143 // but if less than 100% and more than 75% has been drawn, update only current title index. |
|
1144 else if (((iIsWestern && iFirstDrawingOffset >= titleLen * 0.75) || |
|
1145 (!iIsWestern && iFirstDrawingOffset - titleLen >= iContentRect.iBr.iX * 0.75)) && |
|
1146 iFirstDrawingTitleIndex == iCurrentTitleIndex) |
|
1147 { |
|
1148 iCurrentTitleIndex++; |
|
1149 if(iCurrentTitleIndex >= iTitles.Count()) |
|
1150 { |
|
1151 iCurrentTitleIndex = 0; |
|
1152 } |
|
1153 iCurrentTitleIndex = GetNextTitleWithContent( iCurrentTitleIndex ); |
|
1154 |
|
1155 if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate && |
|
1156 CalculateCurrentTextFitInNewstickerRect() ) |
|
1157 { |
|
1158 MoveToNextL(); |
|
1159 } |
|
1160 } |
|
1161 } |
|
1162 else if( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate && |
|
1163 CalculateCurrentTextFitInNewstickerRect() ) |
|
1164 { |
|
1165 iAdapter->SetTimerToDisplaytime(); |
|
1166 MoveToNextL(); |
|
1167 } |
|
1168 else |
|
1169 { |
|
1170 MoveToNextL(); |
|
1171 } |
|
1172 } |
|
1173 |
|
1174 // ----------------------------------------------------------------------------- |
|
1175 // CXnNewstickerControl::Draw |
|
1176 // (other items were commented in a header). |
|
1177 // ----------------------------------------------------------------------------- |
|
1178 // |
|
1179 void CXnNewstickerControl::Draw() |
|
1180 { |
|
1181 if( IsVisibleTitles() > 0 ) |
|
1182 { |
|
1183 if( iIsWestern ) |
|
1184 { |
|
1185 TRAP_IGNORE( PrepareToDrawLtrL() ); |
|
1186 } |
|
1187 else |
|
1188 { |
|
1189 TRAP_IGNORE( PrepareToDrawRtlL() ); |
|
1190 } |
|
1191 } |
|
1192 else |
|
1193 { |
|
1194 CBitmapContext* gc = iAdapter->BufferGc(); |
|
1195 const CFbsBitmap* background = iAdapter->BackgroundBitmap(); |
|
1196 if ( gc && background ) |
|
1197 { |
|
1198 gc->BitBlt(TPoint(0,0), background); |
|
1199 } |
|
1200 } |
|
1201 } |
|
1202 |
|
1203 // ----------------------------------------------------------------------------- |
|
1204 // CXnNewstickerControl::DrawStatic |
|
1205 // (other items were commented in a header). |
|
1206 // ----------------------------------------------------------------------------- |
|
1207 // |
|
1208 void CXnNewstickerControl::DrawStatic() |
|
1209 { |
|
1210 // draw to buffer gc |
|
1211 CBitmapContext* gc = iAdapter->BufferGc(); |
|
1212 const CFbsBitmap* background = iAdapter->BackgroundBitmap(); |
|
1213 if( !gc || !background || !IsVisibleTitles() ) |
|
1214 { |
|
1215 return; |
|
1216 } |
|
1217 gc->BitBlt( TPoint(0,0), background ); |
|
1218 |
|
1219 // Get the last title |
|
1220 TInt index = GetNextTitleWithContent( iTitles.Count() - 1, ETrue ); |
|
1221 const TDesC& title = Title( index ); |
|
1222 |
|
1223 // truncate text if needed |
|
1224 HBufC* visualText = HBufC::New(title.Length() + KAknBidiExtraSpacePerLine); |
|
1225 if (visualText) |
|
1226 { |
|
1227 TPtr visualTextPtr(visualText->Des()); |
|
1228 TInt maxLength = iContentRect.Width(); |
|
1229 AknBidiTextUtils::ConvertToVisualAndClip( |
|
1230 title, visualTextPtr, *iFont, maxLength, maxLength ); |
|
1231 |
|
1232 TRect blitRect( 0, 0, iContentRect.Width(), iContentRect.Height() ); |
|
1233 gc->DrawText( *visualText, blitRect, iTextBaseline, TextAlignment() ); |
|
1234 delete visualText; |
|
1235 } |
|
1236 } |
|
1237 |
|
1238 // ----------------------------------------------------------------------------- |
|
1239 // CXnNewstickerControl::SetBeginningState |
|
1240 // (other items were commented in a header). |
|
1241 // ----------------------------------------------------------------------------- |
|
1242 // |
|
1243 void CXnNewstickerControl::SetBeginningState() |
|
1244 { |
|
1245 iFirstDrawingOffset = 0; |
|
1246 if(!iIsWestern) |
|
1247 { |
|
1248 iFirstDrawingOffset = iContentRect.Width(); |
|
1249 } |
|
1250 } |
|
1251 |
|
1252 // ----------------------------------------------------------------------------- |
|
1253 // CXnNewstickerControl::SetScrollLooping |
|
1254 // (other items were commented in a header). |
|
1255 // ----------------------------------------------------------------------------- |
|
1256 // |
|
1257 void CXnNewstickerControl::SetScrollLooping( TBool aLoop ) |
|
1258 { |
|
1259 iScrollLooping = aLoop; |
|
1260 } |
|
1261 |
|
1262 // ----------------------------------------------------------------------------- |
|
1263 // CXnNewstickerControl::ScrollLooping |
|
1264 // (other items were commented in a header). |
|
1265 // ----------------------------------------------------------------------------- |
|
1266 // |
|
1267 TBool CXnNewstickerControl::ScrollLooping() |
|
1268 { |
|
1269 return iScrollLooping; |
|
1270 } |
|
1271 |
|
1272 // ----------------------------------------------------------------------------- |
|
1273 // CXnNewstickerControl::TextFitInNewstickerRect |
|
1274 // (other items were commented in a header). |
|
1275 // ----------------------------------------------------------------------------- |
|
1276 // |
|
1277 TBool CXnNewstickerControl::TextFitInNewstickerRect() |
|
1278 { |
|
1279 return iTextFitInNewstickerRect; |
|
1280 } |
|
1281 |
|
1282 // ----------------------------------------------------------------------------- |
|
1283 // CXnNewstickerControl::CalculateTextFitInNewstickerRect |
|
1284 // (other items were commented in a header). |
|
1285 // ----------------------------------------------------------------------------- |
|
1286 // |
|
1287 TBool CXnNewstickerControl::CalculateTextFitInNewstickerRect() |
|
1288 { |
|
1289 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::ESlide && |
|
1290 iTitles.Count() == 1 ) |
|
1291 { |
|
1292 const TInt count = iTitles.Count(); |
|
1293 TInt textWidth=0; |
|
1294 const TInt rectWidth = iContentRect.Width(); |
|
1295 for (TInt i=0; i<count && textWidth<rectWidth;i++) |
|
1296 { |
|
1297 textWidth += iTitles[i]->TitleTextLengthInPixels(); |
|
1298 } |
|
1299 iTextFitInNewstickerRect = (textWidth<rectWidth); |
|
1300 } |
|
1301 else |
|
1302 { |
|
1303 iTextFitInNewstickerRect = EFalse; |
|
1304 } |
|
1305 return iTextFitInNewstickerRect; |
|
1306 } |
|
1307 |
|
1308 // ----------------------------------------------------------------------------- |
|
1309 // CXnNewstickerControl::CalculateCurrentTextFitInNewstickerRect |
|
1310 // (other items were commented in a header). |
|
1311 // ----------------------------------------------------------------------------- |
|
1312 // |
|
1313 TBool CXnNewstickerControl::CalculateCurrentTextFitInNewstickerRect() |
|
1314 { |
|
1315 if ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate ) |
|
1316 { |
|
1317 const TInt count = iTitles.Count(); |
|
1318 TInt textWidth=0; |
|
1319 const TInt rectWidth = iContentRect.Width(); |
|
1320 if( iCurrentTitleIndex < count ) |
|
1321 { |
|
1322 textWidth = iTitles[iCurrentTitleIndex]->TitleTextLengthInPixels(); |
|
1323 } |
|
1324 return ( textWidth < rectWidth ); |
|
1325 } |
|
1326 return EFalse; |
|
1327 } |
|
1328 |
|
1329 // ----------------------------------------------------------------------------- |
|
1330 // CXnNewstickerControl::SetTextAlignment |
|
1331 // (other items were commented in a header). |
|
1332 // ----------------------------------------------------------------------------- |
|
1333 // |
|
1334 void CXnNewstickerControl::SetTextAlignment(TInt aAlignment) |
|
1335 { |
|
1336 iTextAlignment = aAlignment; |
|
1337 } |
|
1338 |
|
1339 // ----------------------------------------------------------------------------- |
|
1340 // CXnNewstickerControl::TextAlignment |
|
1341 // if title fits to the drawing rect and scrolling behaviour is ESlide then |
|
1342 // use alignment value |
|
1343 // if scroll behaviour is alternate then use alignment value |
|
1344 // otherwise return ELeft in western and ERight on AH |
|
1345 // ----------------------------------------------------------------------------- |
|
1346 // |
|
1347 CGraphicsContext::TTextAlign CXnNewstickerControl::TextAlignment() |
|
1348 { |
|
1349 CGraphicsContext::TTextAlign alignment = iIsWestern ? CGraphicsContext::ELeft : CGraphicsContext::ERight; |
|
1350 |
|
1351 if ( iTextFitInNewstickerRect || iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EAlternate || |
|
1352 ( iAdapter->ScrollBehaviour() == CXnNewstickerAdapter::EScrollAlternate && |
|
1353 CalculateCurrentTextFitInNewstickerRect() ) ) |
|
1354 { |
|
1355 switch( iTextAlignment ) |
|
1356 { |
|
1357 default: |
|
1358 case ELayoutAlignLeft: |
|
1359 alignment = CGraphicsContext::ELeft; |
|
1360 break; |
|
1361 case ELayoutAlignRight: |
|
1362 alignment = CGraphicsContext::ERight; |
|
1363 break; |
|
1364 case ELayoutAlignCenter: |
|
1365 alignment = CGraphicsContext::ECenter; |
|
1366 break; |
|
1367 } |
|
1368 } |
|
1369 return alignment; |
|
1370 } |
|
1371 |
|
1372 TInt CXnNewstickerControl::GetNextTitleWithContent( TInt aStartSearch, TBool aBackwards ) |
|
1373 { |
|
1374 TInt dir = 1; |
|
1375 if ( aBackwards ) |
|
1376 { |
|
1377 dir = -1; |
|
1378 } |
|
1379 for( TInt i = aStartSearch; i < iTitles.Count() && i >= 0; i += dir ) |
|
1380 { |
|
1381 if ( iTitles[i]->TitleTextLengthInPixels() != 0 ) |
|
1382 { |
|
1383 return i; |
|
1384 } |
|
1385 } |
|
1386 return aStartSearch; |
|
1387 } |
|
1388 |
|
1389 TBool CXnNewstickerControl::IsVisibleTitles() |
|
1390 { |
|
1391 for( TInt i = 0; i < iTitles.Count() ; ++i ) |
|
1392 { |
|
1393 if ( iTitles[i]->TitleTextLengthInPixels() != 0 ) |
|
1394 { |
|
1395 return ETrue; |
|
1396 } |
|
1397 } |
|
1398 return EFalse; |
|
1399 } |
|
1400 |
|
1401 |
|
1402 // End of File |