1 /* |
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2 * Copyright (c) 2007 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: gridlayoutmanager with focus handling in 1D (next/previous) |
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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 <alf/alfgridlayoutmanager.h> |
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20 #include <alf/alfexceptions.h> |
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21 #include <alf/alfwidgetcontrol.h> |
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22 #include <osn/ustring.h> |
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23 #include <osn/osnnew.h> |
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24 |
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25 #include "alfgridlayoutmanagerimpl.h" |
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26 #include "alfgridlayoutpolicyimpl.h" |
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27 |
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28 using osncore::UString; |
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29 |
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30 using namespace Alf; |
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31 |
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32 namespace Alf |
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33 { |
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34 |
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35 // ======== MEMBER FUNCTIONS ======== |
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36 |
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37 // --------------------------------------------------------------------------- |
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38 // layout manager constructor |
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39 // --------------------------------------------------------------------------- |
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40 // |
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41 OSN_EXPORT AlfGridLayoutManager::AlfGridLayoutManager() |
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42 : AlfLayoutManager(EAlfLayoutTypeGrid) |
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43 { |
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44 mData.reset(new (EMM) AlfGridLayoutManagerImpl(*this)); |
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45 mDataPolicy.reset(new (EMM) AlfGridLayoutPolicyImpl(*this)); |
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46 } |
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47 |
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48 // --------------------------------------------------------------------------- |
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49 // virtual destructor |
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50 // --------------------------------------------------------------------------- |
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51 // |
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52 OSN_EXPORT AlfGridLayoutManager::~AlfGridLayoutManager() |
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53 { |
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54 } |
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55 |
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56 // --------------------------------------------------------------------------- |
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57 // from AlfLayoutManager |
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58 // notifies the layout manager, that the child control's layout |
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59 // must be updated. |
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60 // --------------------------------------------------------------------------- |
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61 // |
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62 OSN_EXPORT void AlfGridLayoutManager::updateChildLayout( |
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63 CAlfWidgetControl* aControl) |
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64 { |
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65 CAlfLayout& layout = getLayout(); |
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66 doUpdateChildLayout(aControl); |
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67 layout.UpdateChildrenLayout(); |
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68 |
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69 //doUpdateChildLayout changes the visual size and position. |
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70 //need to notify the widget that size and position has changed. |
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71 |
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72 //set the size and postion for aControl |
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73 TAlfRealRect rect; |
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74 if (controlRect(*aControl, rect)) //returns the real rect (of the root visual) |
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75 { |
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76 setControlRect(*aControl, rect); |
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77 } |
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78 |
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79 // Inform parent layout manager about the changed presentation size |
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80 owner().updateParentLayout(); |
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81 } |
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82 |
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83 // --------------------------------------------------------------------------- |
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84 // from IAlfLayoutManager |
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85 // notifies the layout manager, that the control's has been |
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86 // removed from the layout. |
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87 // --------------------------------------------------------------------------- |
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88 // |
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89 OSN_EXPORT void AlfGridLayoutManager::childRemoved(CAlfWidgetControl* aControl) |
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90 { |
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91 //when control is removed from layout, no change to other widget rects, |
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92 // just call the base class |
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93 AlfLayoutManager::childRemoved(aControl); |
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94 } |
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95 |
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96 // --------------------------------------------------------------------------- |
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97 // from AlfLayoutManager |
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98 // notifies the layout manager, that the child control's layout |
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99 // must be updated. |
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100 // --------------------------------------------------------------------------- |
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101 // |
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102 OSN_EXPORT void AlfGridLayoutManager::doUpdateChildLayout( |
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103 CAlfWidgetControl* /*aControl*/) |
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104 { |
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105 //gridlayout changes the position and size, nothing to do here. |
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106 } |
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107 |
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108 // --------------------------------------------------------------------------- |
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109 // From class IAlfInterfaceBase. |
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110 // Getter for interfaces provided by the element. |
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111 // --------------------------------------------------------------------------- |
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112 // |
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113 OSN_EXPORT IAlfInterfaceBase* AlfGridLayoutManager::makeInterface( |
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114 const IfId& aType ) |
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115 { |
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116 UString param(aType.mImplementationId); |
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117 if (param == IAlfLayoutManager::type().mImplementationId) |
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118 { |
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119 return this; |
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120 } |
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121 |
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122 // Let the implementation class try the interface creation |
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123 IAlfInterfaceBase* pInterface = mData->makeInterface(aType); |
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124 if(!pInterface) |
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125 pInterface = mDataPolicy->makeInterface(aType); |
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126 return pInterface; |
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127 } |
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128 } // Alf |
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