/src/libreoffice/svtools/source/control/accessibletabbarbase.cxx
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1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ |
2 | | /* |
3 | | * This file is part of the LibreOffice project. |
4 | | * |
5 | | * This Source Code Form is subject to the terms of the Mozilla Public |
6 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
7 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. |
8 | | * |
9 | | * This file incorporates work covered by the following license notice: |
10 | | * |
11 | | * Licensed to the Apache Software Foundation (ASF) under one or more |
12 | | * contributor license agreements. See the NOTICE file distributed |
13 | | * with this work for additional information regarding copyright |
14 | | * ownership. The ASF licenses this file to you under the Apache |
15 | | * License, Version 2.0 (the "License"); you may not use this file |
16 | | * except in compliance with the License. You may obtain a copy of |
17 | | * the License at http://www.apache.org/licenses/LICENSE-2.0 . |
18 | | */ |
19 | | |
20 | | #include "accessibletabbarbase.hxx" |
21 | | #include "accessibletabbarpagelist.hxx" |
22 | | |
23 | | #include <comphelper/accessiblecontexthelper.hxx> |
24 | | #include <svtools/tabbar.hxx> |
25 | | #include <vcl/vclevent.hxx> |
26 | | |
27 | | |
28 | | namespace accessibility |
29 | | { |
30 | | |
31 | | |
32 | | AccessibleTabBarBase::AccessibleTabBarBase( TabBar* pTabBar ) : |
33 | 0 | m_pTabBar( nullptr ) |
34 | 0 | { |
35 | 0 | SetTabBarPointer( pTabBar ); |
36 | 0 | } |
37 | | |
38 | | AccessibleTabBarBase::~AccessibleTabBarBase() |
39 | 0 | { |
40 | 0 | ClearTabBarPointer(); |
41 | 0 | } |
42 | | |
43 | | IMPL_LINK( AccessibleTabBarBase, WindowEventListener, VclWindowEvent&, rEvent, void ) |
44 | 0 | { |
45 | 0 | vcl::Window* pEventWindow = rEvent.GetWindow(); |
46 | 0 | OSL_ENSURE( pEventWindow, "AccessibleTabBarBase::WindowEventListener: no window!" ); |
47 | |
|
48 | 0 | if( ( rEvent.GetId() == VclEventId::TabbarPageRemoved ) && |
49 | 0 | ( static_cast<sal_uInt16>(reinterpret_cast<sal_IntPtr>(rEvent.GetData())) == TabBar::PAGE_NOT_FOUND ) && |
50 | 0 | (dynamic_cast<AccessibleTabBarPageList *>(this) == nullptr)) |
51 | 0 | { |
52 | 0 | return; |
53 | 0 | } |
54 | | |
55 | 0 | if ( !pEventWindow->IsAccessibilityEventsSuppressed() || (rEvent.GetId() == VclEventId::ObjectDying) ) |
56 | 0 | ProcessWindowEvent( rEvent ); |
57 | 0 | } |
58 | | |
59 | | void AccessibleTabBarBase::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent ) |
60 | 0 | { |
61 | 0 | if( rVclWindowEvent.GetId() == VclEventId::ObjectDying ) |
62 | 0 | ClearTabBarPointer(); |
63 | 0 | } |
64 | | |
65 | | // XComponent |
66 | | |
67 | | void AccessibleTabBarBase::disposing() |
68 | 0 | { |
69 | 0 | OAccessible::disposing(); |
70 | 0 | ClearTabBarPointer(); |
71 | 0 | } |
72 | | |
73 | | // private |
74 | | |
75 | | void AccessibleTabBarBase::SetTabBarPointer( TabBar* pTabBar ) |
76 | 0 | { |
77 | 0 | OSL_ENSURE( !m_pTabBar, "AccessibleTabBarBase::SetTabBarPointer - multiple call" ); |
78 | 0 | m_pTabBar = pTabBar; |
79 | 0 | if( m_pTabBar ) |
80 | 0 | m_pTabBar->AddEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) ); |
81 | 0 | } |
82 | | |
83 | | void AccessibleTabBarBase::ClearTabBarPointer() |
84 | 0 | { |
85 | 0 | if( m_pTabBar ) |
86 | 0 | { |
87 | 0 | m_pTabBar->RemoveEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) ); |
88 | 0 | m_pTabBar = nullptr; |
89 | 0 | } |
90 | 0 | } |
91 | | |
92 | | |
93 | | } // namespace accessibility |
94 | | |
95 | | |
96 | | /* vim:set shiftwidth=4 softtabstop=4 expandtab: */ |