|
1 /* |
|
2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: flow layoutmanager. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef ALFFLOWLAYOUTMANAGER |
|
20 #define ALFFLOWLAYOUTMANAGER |
|
21 |
|
22 #include <alf/alflayout.h> |
|
23 #include <osn/osndefines.h> |
|
24 #include <osn/osntypes.h> |
|
25 #include <memory> |
|
26 #include <alf/alflayoutmanager.h> |
|
27 |
|
28 using std::auto_ptr; |
|
29 |
|
30 namespace Alf |
|
31 { |
|
32 class AlfFlowLayoutPolicyImpl; |
|
33 class AlfFlowLayoutPreferencesImpl; |
|
34 |
|
35 /** @class AlfFlowLayoutManager alfflowlayoutmanager.h "alf/alfflowlayoutmanager.h" |
|
36 * Flow layout manager positions children next to each other either horizontally or |
|
37 * vertically. The manager sizes the children by using the preferred sizes of the |
|
38 * children. @see IAlfLayoutPreferences::getPreferredSize() |
|
39 * |
|
40 * |
|
41 * Flow layout manager takes system wide layout mirroring into consideration. |
|
42 * In western locales the visuals are layed out from left to right whereas |
|
43 * in arabic locale for instance the visuals are layed out from right to left. |
|
44 * Mirroring is considered only when the flow is horizontal. The layout manager |
|
45 * will always lay its children from top to bottom. |
|
46 * |
|
47 * @interfaces IAlfLayoutManager, IAlfLayoutPreferences |
|
48 * @lib alfwidgetmodel.lib |
|
49 * @since S60 ?S60_version |
|
50 * @status Draft |
|
51 */ |
|
52 |
|
53 class AlfFlowLayoutManager : public AlfLayoutManager |
|
54 { |
|
55 public: |
|
56 friend class AlfFlowLayoutPolicyImpl; |
|
57 friend class AlfFlowLayoutPreferencesImpl; |
|
58 public: |
|
59 |
|
60 /** |
|
61 * layout manager constructor |
|
62 * |
|
63 * @exception std::bad_alloc |
|
64 * @param aLayoutType type of layout used by this manager. |
|
65 */ |
|
66 OSN_IMPORT AlfFlowLayoutManager(); |
|
67 |
|
68 /** |
|
69 * virtual destructor |
|
70 */ |
|
71 OSN_IMPORT virtual ~AlfFlowLayoutManager(); |
|
72 |
|
73 public: |
|
74 //from AlfLayoutManager |
|
75 |
|
76 /** |
|
77 * from AlfLayoutManager |
|
78 * Notifies the layout manager, that the child control's layout |
|
79 * must be updated. |
|
80 * |
|
81 * @param aControl control, which size has changed. |
|
82 */ |
|
83 OSN_IMPORT virtual void updateChildLayout(CAlfWidgetControl* aControl); |
|
84 |
|
85 public: |
|
86 // from base class IAlfInterfaceBase |
|
87 |
|
88 /** |
|
89 * Interface getter. |
|
90 * @see IAlfInterfaceBase::MakeInterface |
|
91 * |
|
92 * @since S60 ?S60_version |
|
93 * @param aType The type id of the queried interface. |
|
94 * @return The queried interface, or NULL if the interface is not |
|
95 * supported or available. |
|
96 */ |
|
97 OSN_IMPORT virtual IAlfInterfaceBase* makeInterface( const IfId& aType ); |
|
98 protected: |
|
99 |
|
100 private: // data |
|
101 |
|
102 auto_ptr<AlfFlowLayoutPolicyImpl> mData; |
|
103 auto_ptr<AlfFlowLayoutPreferencesImpl> mPrefImpl; |
|
104 }; |
|
105 |
|
106 } // namespace Alf |
|
107 |
|
108 #endif // ALFFLOWLAYOUTMANAGER |