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