1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
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14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_accessibility.hxx"
26 #include "accessibility/extended/accessibletabbarbase.hxx"
27 #ifndef ACCESSIBILITY_EXT_ACCESSIBLETABBARPAGELIST
28 #include "accessibility/extended/accessibletabbarpagelist.hxx"
29 #endif
30 #include <toolkit/helper/externallock.hxx>
31 #include <svtools/tabbar.hxx>
32
33 //.........................................................................
34 namespace accessibility
35 {
36 //.........................................................................
37
AccessibleTabBarBase(TabBar * pTabBar)38 AccessibleTabBarBase::AccessibleTabBarBase( TabBar* pTabBar ) :
39 AccessibleExtendedComponentHelper_BASE( new VCLExternalSolarLock() ),
40 m_pTabBar( 0 )
41 {
42 m_pExternalLock = static_cast< VCLExternalSolarLock* >( getExternalLock() );
43 SetTabBarPointer( pTabBar );
44 }
45
~AccessibleTabBarBase()46 AccessibleTabBarBase::~AccessibleTabBarBase()
47 {
48 ClearTabBarPointer();
49 DELETEZ( m_pExternalLock );
50 }
51
IMPL_LINK(AccessibleTabBarBase,WindowEventListener,VclSimpleEvent *,pEvent)52 IMPL_LINK( AccessibleTabBarBase, WindowEventListener, VclSimpleEvent*, pEvent )
53 {
54 VclWindowEvent* pWinEvent = dynamic_cast< VclWindowEvent* >( pEvent );
55 DBG_ASSERT( pWinEvent, "AccessibleTabBarBase::WindowEventListener - unknown window event" );
56 if( pWinEvent )
57 {
58 Window* pEventWindow = pWinEvent->GetWindow();
59 DBG_ASSERT( pEventWindow, "AccessibleTabBarBase::WindowEventListener: no window!" );
60
61 if( ( pWinEvent->GetId() == VCLEVENT_TABBAR_PAGEREMOVED ) &&
62 ( (sal_uInt16)(sal_IntPtr) pWinEvent->GetData() == TabBar::PAGE_NOT_FOUND ) &&
63 ( dynamic_cast< AccessibleTabBarPageList *> (this) != NULL ) )
64 {
65 return 0;
66 }
67
68 if ( !pEventWindow->IsAccessibilityEventsSuppressed() || (pWinEvent->GetId() == VCLEVENT_OBJECT_DYING) )
69 ProcessWindowEvent( *pWinEvent );
70 }
71 return 0;
72 }
73
ProcessWindowEvent(const VclWindowEvent & rVclWindowEvent)74 void AccessibleTabBarBase::ProcessWindowEvent( const VclWindowEvent& rVclWindowEvent )
75 {
76 if( rVclWindowEvent.GetId() == VCLEVENT_OBJECT_DYING )
77 ClearTabBarPointer();
78 }
79
80 // XComponent
81
disposing()82 void AccessibleTabBarBase::disposing()
83 {
84 AccessibleExtendedComponentHelper_BASE::disposing();
85 ClearTabBarPointer();
86 }
87
88 // private
89
SetTabBarPointer(TabBar * pTabBar)90 void AccessibleTabBarBase::SetTabBarPointer( TabBar* pTabBar )
91 {
92 DBG_ASSERT( !m_pTabBar, "AccessibleTabBarBase::SetTabBarPointer - multiple call" );
93 m_pTabBar = pTabBar;
94 if( m_pTabBar )
95 m_pTabBar->AddEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
96 }
97
ClearTabBarPointer()98 void AccessibleTabBarBase::ClearTabBarPointer()
99 {
100 if( m_pTabBar )
101 {
102 m_pTabBar->RemoveEventListener( LINK( this, AccessibleTabBarBase, WindowEventListener ) );
103 m_pTabBar = 0;
104 }
105 }
106
107 //.........................................................................
108 } // namespace accessibility
109 //.........................................................................
110
111