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1 /* |
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2 * Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: interface for layout policy |
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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 #ifndef I_ALFLCTANCHORLAYOUTMANAGER |
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20 #define I_ALFLCTANCHORLAYOUTMANAGER |
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21 |
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22 #include <alf/ialfinterfacebase.h> |
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23 #include <alf/alftypes.h> |
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24 |
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25 namespace osncore |
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26 { |
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27 class UString; |
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28 } |
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29 |
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30 class CAlfControl; |
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31 class TAknLayoutHierarchyComponentHandle; |
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32 |
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33 namespace Alf |
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34 { |
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35 |
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36 class CAlfWidgetControl; |
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37 |
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38 namespace ialflctanchorlayoutpolicy |
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39 { |
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40 static const IfId Ident = |
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41 { |
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42 0, "lctanchorlayoutpolicy" |
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43 }; |
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44 } |
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45 |
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46 using namespace osncore; |
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47 using Alf::CAlfWidgetControl; |
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48 |
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49 |
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50 |
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51 /** |
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52 * The interface for grid layout policy |
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53 * |
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54 * Provides grid specific layout APIs |
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55 * |
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56 * @code |
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57 * // Create layout manager interface. |
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58 * IAlfLayoutManager* layoutManager = IAlfInterfaceBase::makeInterface<IAlfLayoutManager>(control); |
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59 * |
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60 * // See if layout policy is supported in the given layout manager. |
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61 * IAlfLCTAnchorLayoutPolicy* layoutPolicy = IAlfInterfaceBase::makeInterface<IAlfLCTAnchorLayoutPolicy>(layoutManager); |
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62 * |
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63 * if(layoutPolicy != 0) |
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64 * { |
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65 * int rows = layoutPolicy->Attach(componentHandle); |
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66 * } |
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67 * @endcode |
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68 * |
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69 * @lib alfwidgetmodel.lib |
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70 * @since S60 ?S60_version |
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71 */ |
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72 class IAlfLCTAnchorLayoutPolicy : public IAlfInterfaceBase |
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73 { |
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74 public: |
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75 |
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76 static inline const IfId& type() |
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77 { |
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78 return ialflctanchorlayoutpolicy::Ident; |
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79 } |
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80 |
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81 virtual inline ~IAlfLCTAnchorLayoutPolicy() {} |
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82 |
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83 |
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84 /** |
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85 * attach the anchors needed for a child visual, according to the layout data |
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86 * corresponding to the component handle. |
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87 * |
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88 * @note this should can be used for layout text components, but also use IAlfLCTTextLayoutPolicy |
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89 * with the contained text visual to set the text style and alignment |
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90 * |
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91 * @param aOrdinal the child visual index |
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92 * @param aComponentHandle the layout data to use |
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93 */ |
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94 virtual void Attach (int aOrdinal, const UString& aLCTString, int aVarietyIndex) = 0; |
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95 |
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96 |
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97 // from base class IAlfInterfaceBase |
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98 |
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99 /** |
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100 * Interface getter. |
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101 * @see IAlfInterfaceBase::MakeInterface |
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102 * |
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103 * @param aType The type id of the queried interface. |
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104 * @return The queried interface, or NULL if the interface is not |
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105 * supported or available. |
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106 */ |
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107 virtual IAlfInterfaceBase* makeInterface( const IfId& aType ) = 0; |
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108 }; |
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109 |
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110 } // namespace Alf |
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111 |
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112 #endif // I_ALFLCTANCHORLAYOUTMANAGER |