1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_FRAMEWORK_INC_HELPER_OFRAMES_HXX
#define INCLUDED_FRAMEWORK_INC_HELPER_OFRAMES_HXX
#include <classes/framecontainer.hxx>
#include <macros/xinterface.hxx>
#include <general.h>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/frame/XFrames.hpp>
#include <com/sun/star/frame/XFrame.hpp>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/weakref.hxx>
namespace framework{
/**
@short implement XFrames, XIndexAccess and XElementAccess interfaces as helper for services
@descr Use this class as helper for these interfaces. We share mutex and framecontainer with our owner.
The framecontainer is a member of it from type "FrameContainer". That means;
we have the same information as our owner. In current implementation we use mutex and lock-mechanism
to prevent against compete access. In future we plan support of semaphore!
@devstatus deprecated
@ATTENTION Don't use this class as direct member - use it dynamically. Do not derive from this class.
We hold a weakreference to our owner not to our superclass.
*/
class OFrames : public ::cppu::WeakImplHelper< css::frame::XFrames >
{
public:
/**
@short standard ctor
@descr These initialize a new instance of this class with all needed information for work.
We share framecontainer with owner implementation! It's a threadsafe container.
@param xOwner , reference to our owner. We hold a wekreference to prevent us against cross-references!
@param pFrameContainer , pointer to shared framecontainer of owner. It's valid only, if weakreference is valid!
*/
OFrames( const css::uno::Reference< css::frame::XFrame >& xOwner ,
FrameContainer* pFrameContainer );
// XFrames
/**
@short append frame to container
@descr We share the container with our owner. We can do this only, if no lock is set on container.
Valid references are accepted only!
@seealso class FrameContainer
@param "xFrame", reference to an existing frame to append.
@onerror We do nothing in release or throw an assert in debug version.
*/
virtual void SAL_CALL append( const css::uno::Reference< css::frame::XFrame >& xFrame ) override;
/**
@short remove frame from container
@descr This is the companion to append(). We only accept valid references and don't work, if
a lock is set.
@seealso class FrameContainer
@param "xFrame", reference to an existing frame to remove.
@onerror We do nothing in release or throw an assert in debug version.
*/
virtual void SAL_CALL remove( const css::uno::Reference< css::frame::XFrame >& xFrame ) override;
/**
@short return list of all applicable frames for given flags
@descr Call these to get a list of all frames, which are match with given search flags.
@param "nSearchFlag", flags to search right frames.
@return A list of founded frames.
@onerror An empty list is returned.
*/
virtual css::uno::Sequence< css::uno::Reference< css::frame::XFrame > > SAL_CALL queryFrames( sal_Int32 nSearchFlags ) override;
// XIndexAccess
/**
@short get count of all current frames in container
@descr This is the beginning of full index-access. With a count you can step over all items in container.
Next call should be getByIndex(). But these mechanism works only, if no lock in container is set!
@seealso class FrameContainer
@seealso method getByIndex()
@return Count of current items in container.
@onerror If a lock is set, we return 0 for prevent further access!
*/
virtual sal_Int32 SAL_CALL getCount() override;
/**
@short get specified container item by index
@descr If you called getCount() successful - this method return the specified element as an Any.
You must observe the range from 0 to count-1! Otherwise an IndexOutOfBoundsException is thrown.
@seealso class FrameContainer
@seealso method getCount()
@param "nIndex", valid index to get container item.
@return A container item (specified by index) wrapped in an Any.
@onerror If a lock is set, we return an empty Any!
@onerror If index out of range, an IndexOutOfBoundsException is thrown.
*/
virtual css::uno::Any SAL_CALL getByIndex( sal_Int32 nIndex ) override;
// XElementAccess
/**
@short get uno-type of all container items
@descr In current implementation type is fixed to XFrame!
(container-lock is ignored)
@return A uno-type descriptor.
*/
virtual css::uno::Type SAL_CALL getElementType() override;
/**
@short get fill state of current container
@descr Call these to get information about, if items exist in container or not.
(container-lock is ignored)
@return sal_True, if container contains some items.
@return sal_False, otherwise.
@onerror We return sal_False.
*/
virtual sal_Bool SAL_CALL hasElements() override;
protected:
/**
@short standard destructor
@descr This method destruct an instance of this class and clear some member.
This method is protected, because it's not allowed to use this class as a member!
You MUST use a dynamical instance (pointer). That's the reason for a protected dtor.
*/
virtual ~OFrames() override;
/**
@short reset instance to default values
@descr There are two ways to delete an instance of this class.<BR>
1) delete with destructor<BR>
2) dispose from parent or factory ore ...<BR>
This method do the same for both ways! It free used memory and release references ...
@seealso method dispose() (if it exist!)
@seealso destructor ~TaskEnumeration()
*/
void impl_resetObject();
private:
/**
@short append one sequence to another
@descr There is no operation to add to sequences! Use this helper-method to do this.
@seealso class Sequence
@param "seqDestination", reference to sequence on which operation will append the other sequence.
@param "seqSource" , reference to sequence for append.
@return "seqDestination" is parameter AND return value at the same time.
*/
void impl_appendSequence( css::uno::Sequence< css::uno::Reference< css::frame::XFrame > >& seqDestination ,
const css::uno::Sequence< css::uno::Reference< css::frame::XFrame > >& seqSource );
private:
static bool impldbg_checkParameter_queryFrames ( sal_Int32 nSearchFlags );
css::uno::WeakReference< css::frame::XFrame > m_xOwner; /// reference to owner of this instance (Hold no hard reference!)
FrameContainer* m_pFrameContainer; /// with owner shared list to hold all direct children of an XFramesSupplier
bool m_bRecursiveSearchProtection; /// flag to protect against recursive searches of frames at parents
};
}
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|