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
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
/* -*- 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_VBAHELPER_VBAEVENTSHELPERBASE_HXX
#define INCLUDED_VBAHELPER_VBAEVENTSHELPERBASE_HXX
#include <deque>
#include <map>
#include <unordered_map>
#include <com/sun/star/document/XEventListener.hpp>
#include <com/sun/star/lang/EventObject.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/script/vba/XVBAEventProcessor.hpp>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Reference.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/util/XChangesListener.hpp>
#include <cppuhelper/implbase.hxx>
#include <rtl/ustring.hxx>
#include <sal/types.h>
#include <vbahelper/vbadllapi.h>
namespace com::sun::star {
namespace document { struct EventObject; }
namespace frame { class XModel; }
namespace script::vba { class XVBAModuleInfo; }
namespace uno { class XComponentContext; }
namespace util { struct ChangesEvent; }
}
class SfxObjectShell;
typedef ::cppu::WeakImplHelper<
css::script::vba::XVBAEventProcessor,
css::document::XEventListener,
css::util::XChangesListener,
css::lang::XServiceInfo > VbaEventsHelperBase_BASE;
class VBAHELPER_DLLPUBLIC VbaEventsHelperBase : public VbaEventsHelperBase_BASE
{
public:
VbaEventsHelperBase(
const css::uno::Sequence< css::uno::Any >& rArgs );
virtual ~VbaEventsHelperBase() override;
// script::vba::XVBAEventProcessor
virtual sal_Bool SAL_CALL hasVbaEventHandler( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) override;
virtual sal_Bool SAL_CALL processVbaEvent( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) override;
// document::XEventListener
virtual void SAL_CALL notifyEvent( const css::document::EventObject& rEvent ) override;
// util::XChangesListener
virtual void SAL_CALL changesOccurred( const css::util::ChangesEvent& rEvent ) override;
// lang::XEventListener
virtual void SAL_CALL disposing( const css::lang::EventObject& rEvent ) override;
sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;
// little helpers ---------------------------------------------------------
/** Helper to execute event handlers without throwing any exceptions. */
void processVbaEventNoThrow( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs );
/** @throws css::lang::IllegalArgumentException if the passed sequence does not contain a value at the specified index. */
static void checkArgument( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex )
{ if( (nIndex < 0) || (nIndex >= rArgs.getLength()) ) throw css::lang::IllegalArgumentException(); }
/** @throws css::lang::IllegalArgumentException if the passed sequence does not contain a value of a specific at the specified index. */
template< typename Type >
static void checkArgumentType( const css::uno::Sequence< css::uno::Any >& rArgs, sal_Int32 nIndex )
{ checkArgument( rArgs, nIndex ); if( !rArgs[ nIndex ].has< Type >() ) throw css::lang::IllegalArgumentException(); }
protected:
struct EventHandlerInfo
{
sal_Int32 mnEventId;
sal_Int32 mnModuleType;
OUString maMacroName;
sal_Int32 mnCancelIndex;
css::uno::Any maUserData;
};
/** Registers a supported event handler.
@param nEventId Event identifier from com.sun.star.script.vba.VBAEventId.
@param nModuleType Type of the module containing the event handler.
@param pcMacroName Name of the associated VBA event handler macro.
@param nCancelIndex 0-based index of Cancel parameter, or -1.
@param rUserData User data for free usage in derived implementations. */
void registerEventHandler(
sal_Int32 nEventId,
sal_Int32 nModuleType,
const char* pcMacroName,
sal_Int32 nCancelIndex = -1,
const css::uno::Any& rUserData = css::uno::Any() );
struct EventQueueEntry
{
sal_Int32 mnEventId;
css::uno::Sequence< css::uno::Any > maArgs;
/*implicit*/ EventQueueEntry( sal_Int32 nEventId ) : mnEventId( nEventId ) {}
EventQueueEntry( sal_Int32 nEventId, const css::uno::Sequence< css::uno::Any >& rArgs ) : mnEventId( nEventId ), maArgs( rArgs ) {}
};
typedef ::std::deque< EventQueueEntry > EventQueue;
/** Derived classes do additional preparations and return whether the
event handler has to be called.
@throws css::uno::RuntimeException
*/
virtual bool implPrepareEvent(
EventQueue& rEventQueue,
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) = 0;
/** Derived classes have to return the argument list for the specified VBA event handler.
@throws css::lang::IllegalArgumentException
@throws css::uno::RuntimeException
*/
virtual css::uno::Sequence< css::uno::Any > implBuildArgumentList(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) = 0;
/** Derived classes may do additional postprocessing. Called even if the
event handler does not exist, or if an error occurred during execution.
@throws css::uno::RuntimeException
*/
virtual void implPostProcessEvent(
EventQueue& rEventQueue,
const EventHandlerInfo& rInfo,
bool bCancel ) = 0;
/** Derived classes have to return the name of the Basic document module.
@throws css::lang::IllegalArgumentException
@throws css::uno::RuntimeException
*/
virtual OUString implGetDocumentModuleName(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs ) const = 0;
private:
typedef ::std::map< sal_Int32, OUString > ModulePathMap;
/** Starts listening at the document model. */
void startListening();
/** Stops listening at the document model. */
void stopListening();
/** Returns the event handler info struct for the specified event, or throws.
@throws css::lang::IllegalArgumentException
*/
const EventHandlerInfo& getEventHandlerInfo( sal_Int32 nEventId ) const;
/** Searches the event handler in the document and returns its full script path.
@throws css::lang::IllegalArgumentException
@throws css::uno::RuntimeException
*/
OUString getEventHandlerPath(
const EventHandlerInfo& rInfo,
const css::uno::Sequence< css::uno::Any >& rArgs );
/** On first call, accesses the Basic library containing the VBA source code.
@throws css::uno::RuntimeException
*/
void ensureVBALibrary();
/** Returns the type of the Basic module with the specified name.
@throws css::uno::RuntimeException
*/
sal_Int32 getModuleType( const OUString& rModuleName );
/** Updates the map containing paths to event handlers for a Basic module.
@throws css::uno::RuntimeException
*/
ModulePathMap& updateModulePathMap( const OUString& rModuleName );
protected:
css::uno::Reference< css::frame::XModel > mxModel;
SfxObjectShell* mpShell;
private:
typedef std::map< sal_Int32, EventHandlerInfo > EventHandlerInfoMap;
typedef std::unordered_map< OUString, ModulePathMap > EventHandlerPathMap;
EventHandlerInfoMap maEventInfos;
EventHandlerPathMap maEventPaths;
css::uno::Reference< css::script::vba::XVBAModuleInfo > mxModuleInfos;
OUString maLibraryName;
bool mbDisposed;
};
#endif
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|
