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1 /* |
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2 * Copyright (c) 2004-2005 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: |
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15 * See class description below |
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16 * |
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17 */ |
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18 |
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19 |
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20 #ifndef __LANDMARKS_CONTAINER_BASE_H__ |
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21 #define __LANDMARKS_CONTAINER_BASE_H__ |
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22 |
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23 |
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24 #include "LandmarksOperationObserver.h" |
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25 #include "LandmarksDbObserver.h" |
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26 #include <coecntrl.h> |
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27 |
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28 |
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29 class CAknView; |
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30 class CLandmarksApplicationEngine; |
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31 class CLandmarksListBox; |
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32 class CAknSearchField; |
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33 |
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34 |
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35 |
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36 /** |
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37 * CLandmarksContainerBase is an abstrct class that contains functions and data |
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38 * common for all view containers in this application. |
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39 */ |
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40 class CLandmarksContainerBase : |
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41 public CCoeControl, |
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42 public MLandmarksDbObserver, |
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43 public MLandmarksOperationObserver |
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44 { |
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45 public: // Constructors and destructor |
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46 |
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47 /** |
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48 * Destructor |
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49 */ |
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50 ~CLandmarksContainerBase(); |
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51 |
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52 public: // New functions |
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53 |
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54 /** |
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55 * Indicates whether a listbox item is selected or not. |
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56 */ |
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57 TBool IsItemSelected(); |
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58 |
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59 public: // from CoeControl |
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60 |
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61 /** |
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62 * Gets the number of controls contained in a compound control |
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63 * |
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64 * @return Number of component controls |
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65 */ |
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66 TInt CountComponentControls() const; |
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67 |
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68 /** |
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69 * Gets the specified component |
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70 * |
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71 * @param aIndex specification for component pointer |
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72 * @return Pointer to component control |
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73 */ |
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74 CCoeControl* ComponentControl(TInt aIndex) const; |
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75 |
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76 /** |
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77 * Called by framework when the view size is changed. |
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78 */ |
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79 void SizeChanged(); |
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80 |
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81 /** Reacts to screen size change */ |
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82 void HandleResourceChange( TInt aType ); |
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83 |
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84 public: // From MLandmarksDbObserver |
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85 |
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86 /** |
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87 * Notifies that an event has occurred in the default |
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88 * landmark database. |
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89 * |
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90 * @param aEvent contains info about the event. |
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91 * @param aErrorCode possible error codes if reporting the event was |
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92 * not successful. |
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93 */ |
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94 void NotifyDbEventL(TPosLmEvent& aEvent, TInt aErrorCode) = 0; |
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95 |
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96 public: // From MLandmarksOperationObserver |
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97 |
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98 /** |
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99 * Notifies the progress and status of an |
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100 * asynchronous operation. |
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101 * |
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102 * @param aOperation the type of operation that is reported. |
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103 * @param aProgress the progress of the operation. |
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104 * @param aErrorCode the status of the operation. |
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105 */ |
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106 void NotifyOperationProgressL( |
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107 TOperation aOperation, |
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108 TInt aProgress, |
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109 TInt aErrorCode) = 0; |
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110 |
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111 protected: // Constructors |
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112 |
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113 /** |
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114 * C++ default constructor. |
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115 * |
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116 * @param aView The parent view. |
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117 * @param aEngine The application engine. |
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118 */ |
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119 CLandmarksContainerBase( |
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120 CAknView& aView, |
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121 CLandmarksApplicationEngine& aEngine); |
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122 |
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123 /** |
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124 * Performs the second phase construction of a |
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125 * CLandmarksContainerBase object. Should be called by subclasses. |
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126 * |
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127 * @param aRect Frame rectangle for container. |
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128 */ |
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129 void ConstructL(const TRect& aRect); |
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130 |
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131 private: |
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132 |
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133 /** |
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134 * Creates the find box. |
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135 */ |
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136 void CreateFindBoxL(); |
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137 |
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138 /** |
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139 * Creates the listbox. |
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140 */ |
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141 void CreateListBoxL(); |
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142 |
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143 protected: // Data |
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144 |
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145 //! the control used to display icons and descriptors. |
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146 CLandmarksListBox* iListBox; |
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147 |
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148 //! the control used to display a search field. |
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149 CAknSearchField* iFindBox; |
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150 |
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151 //! parent view |
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152 CAknView& iView; |
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153 |
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154 //! the application engine used for accessing landmarks |
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155 CLandmarksApplicationEngine& iEngine; |
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156 |
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157 //! a buffer containing the last descriptor in the find box. |
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158 HBufC* iOldFilter; |
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159 |
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160 }; |
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161 |
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162 #endif // __LANDMARKS_CONTAINER_BASE_H__ |
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163 |