summaryrefslogtreecommitdiffstats
path: root/cppuhelper/source/servicemanager.hxx
blob: 24a7e56a4ba9efb4b0b8f3470efd2d16da4c34ea (plain)
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
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
/* -*- 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/.
 */

#pragma once

#include <sal/config.h>

#include <cassert>
#include <map>
#include <memory>
#include <vector>

#include <com/sun/star/beans/XPropertySet.hpp>
#include <com/sun/star/beans/XPropertySetInfo.hpp>
#include <com/sun/star/container/XContentEnumerationAccess.hpp>
#include <com/sun/star/container/XSet.hpp>
#include <com/sun/star/lang/XEventListener.hpp>
#include <com/sun/star/lang/XInitialization.hpp>
#include <com/sun/star/lang/XMultiComponentFactory.hpp>
#include <com/sun/star/lang/XMultiServiceFactory.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/uno/Reference.hxx>
#include <cppuhelper/basemutex.hxx>
#include <cppuhelper/compbase.hxx>
#include <osl/mutex.hxx>
#include <rtl/ustring.hxx>

namespace com::sun::star::lang {
    class XSingleComponentFactory;
}
namespace cppu { struct ContextEntry_Init; }
namespace com :: sun :: star :: lang { class XSingleServiceFactory; }
namespace com :: sun :: star :: uno { class XComponentContext; }

class RegistryKey;

namespace cppuhelper {

extern "C" {

typedef css::uno::XInterface * ImplementationConstructorFn(
    css::uno::XComponentContext *, css::uno::Sequence<css::uno::Any> const &);

}

typedef std::function<css::uno::XInterface * (css::uno::XComponentContext *, css::uno::Sequence<css::uno::Any> const&)> WrapperConstructorFn;

typedef cppu::WeakComponentImplHelper<
    css::lang::XServiceInfo, css::lang::XMultiServiceFactory,
    css::lang::XMultiComponentFactory, css::container::XSet,
    css::container::XContentEnumerationAccess, css::beans::XPropertySet,
    css::beans::XPropertySetInfo, css::lang::XEventListener,
    css::lang::XInitialization>
ServiceManagerBase;

class ServiceManager:
    private cppu::BaseMutex, public ServiceManagerBase
{
public:
    struct Data {
        Data() = default;
        Data(const Data&) = delete;
        const Data& operator=(const Data&) = delete;

        struct Implementation {
            Implementation(
                OUString const & theName, OUString const & theLoader,
                OUString const & theUri, OUString const & theEnvironment,
                OUString const & theConstructorName,
                OUString const & thePrefix,
                bool theIsSingleInstance,
                css::uno::Reference< css::uno::XComponentContext > const &
                    theAlienContext,
                OUString const & theRdbFile):
                name(theName), loader(theLoader), uri(theUri), environment(theEnvironment),
                constructorName(theConstructorName), prefix(thePrefix),
                isSingleInstance(theIsSingleInstance),
                alienContext(theAlienContext), rdbFile(theRdbFile),
                constructorFn(nullptr), status(STATUS_NEW), dispose(true)
            {}

            Implementation(
                OUString const & theName,
                css::uno::Reference< css::lang::XSingleComponentFactory >
                    const & theFactory1,
                css::uno::Reference< css::lang::XSingleServiceFactory > const &
                    theFactory2,
                css::uno::Reference< css::lang::XComponent > const &
                    theComponent):
                name(theName), isSingleInstance(false), constructorFn(nullptr),
                factory1(theFactory1), factory2(theFactory2),
                component(theComponent), status(STATUS_LOADED), dispose(true)
            { assert(theFactory1.is() || theFactory2.is()); }

            Implementation(const Implementation&) = delete;
            const Implementation& operator=(const Implementation&) = delete;

            css::uno::Reference<css::uno::XInterface> createInstance(
                css::uno::Reference<css::uno::XComponentContext> const &
                    context,
                bool singletonRequest);

            css::uno::Reference<css::uno::XInterface>
            createInstanceWithArguments(
                css::uno::Reference<css::uno::XComponentContext> const &
                    context,
                bool singletonRequest,
                css::uno::Sequence<css::uno::Any> const & arguments);

            bool shallDispose() const { return isSingleInstance || !singletons.empty(); }

            enum Status { STATUS_NEW, STATUS_WRAPPER, STATUS_LOADED };

            // Logically, exactly one of constructorFn, factory1, factory2 should
            // be set.  However, there are two exceptions:  For one, when
            // constructorFn is set, ServiceManager::createContentEnumeration will
            // store the necessary ImplementationWrapper in factory1 (so that
            // multiple calls to createContentEnumeration will return the same
            // wrapper).  For another, when factory1 should be set but status is
            // STATUS_NEW, factory1 is not yet set (and when status is
            // STATUS_WRAPPER, factory1 is merely set to an
            // ImplementationWrapper---also due to a
            // ServiceManager::createContentEnumeration call---and will be
            // loaded later).
            OUString name;
            OUString loader;
            OUString uri;
            OUString environment;
            OUString constructorName;
            OUString prefix;
            bool isSingleInstance;
            css::uno::Reference< css::uno::XComponentContext > alienContext;
            OUString rdbFile;
            std::vector< OUString > services;
            std::vector< OUString > singletons;
            WrapperConstructorFn constructorFn;
            css::uno::Reference< css::lang::XSingleComponentFactory > factory1;
            css::uno::Reference< css::lang::XSingleServiceFactory > factory2;
            css::uno::Reference< css::lang::XComponent > component;
            Status status;

            osl::Mutex mutex;
            css::uno::Reference<css::uno::XInterface> singleInstance;
            css::uno::Reference< css::lang::XComponent > disposeInstance;
            bool dispose;

        private:
            css::uno::Reference<css::uno::XInterface> doCreateInstance(
                css::uno::Reference<css::uno::XComponentContext> const & context);

            css::uno::Reference<css::uno::XInterface> doCreateInstanceWithArguments(
                css::uno::Reference<css::uno::XComponentContext> const & context,
                css::uno::Sequence<css::uno::Any> const & arguments);

            void updateDisposeInstance(
                bool singletonRequest,
                css::uno::Reference<css::uno::XInterface> const & instance);
        };

        typedef std::map< OUString, std::shared_ptr< Implementation > >
            NamedImplementations;

        typedef
            std::map<
                css::uno::Reference< css::lang::XServiceInfo >,
                std::shared_ptr< Implementation > >
            DynamicImplementations;

        typedef
            std::map<
                OUString,
                std::vector< std::shared_ptr< Implementation > > >
            ImplementationMap;

        NamedImplementations namedImplementations;
        DynamicImplementations dynamicImplementations;
        ImplementationMap services;
        ImplementationMap singletons;
    };

    ServiceManager(): ServiceManagerBase(m_aMutex) {}

    ServiceManager(const ServiceManager&) = delete;
    const ServiceManager& operator=(const ServiceManager&) = delete;

    using ServiceManagerBase::acquire;
    using ServiceManagerBase::release;

    void init(OUString const & rdbUris);

    void setContext(
        css::uno::Reference< css::uno::XComponentContext > const & context)
    {
        assert(context.is());
        assert(!context_.is());
        context_ = context;
    }

    void addSingletonContextEntries(
        std::vector< cppu::ContextEntry_Init > * entries);

    css::uno::Reference< css::uno::XComponentContext > const & getContext()
        const
    {
        assert(context_.is());
        return context_;
    }

    void loadImplementation(
        css::uno::Reference< css::uno::XComponentContext > const & context,
        std::shared_ptr< Data::Implementation > const & implementation);

private:
    virtual ~ServiceManager() override;

    virtual void SAL_CALL disposing() override;

    virtual OUString SAL_CALL getImplementationName() override;

    virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName) override;

    virtual css::uno::Sequence< OUString > SAL_CALL
    getSupportedServiceNames() override;

    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL createInstance(
        OUString const & aServiceSpecifier) override;

    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
    createInstanceWithArguments(
        OUString const & ServiceSpecifier,
        css::uno::Sequence< css::uno::Any > const & Arguments) override;

    virtual css::uno::Sequence< OUString > SAL_CALL
    getAvailableServiceNames() override;

    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
    createInstanceWithContext(
        OUString const & aServiceSpecifier,
        css::uno::Reference< css::uno::XComponentContext > const & Context) override;

    virtual css::uno::Reference< css::uno::XInterface > SAL_CALL
    createInstanceWithArgumentsAndContext(
        OUString const & ServiceSpecifier,
        css::uno::Sequence< css::uno::Any > const & Arguments,
        css::uno::Reference< css::uno::XComponentContext > const & Context) override;

    virtual css::uno::Type SAL_CALL getElementType() override;

    virtual sal_Bool SAL_CALL hasElements() override;

    virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL
    createEnumeration() override;

    virtual sal_Bool SAL_CALL has(css::uno::Any const & aElement) override;

    virtual void SAL_CALL insert(css::uno::Any const & aElement) override;

    virtual void SAL_CALL remove(css::uno::Any const & aElement) override;

    virtual css::uno::Reference< css::container::XEnumeration > SAL_CALL
    createContentEnumeration(OUString const & aServiceName) override;

    virtual css::uno::Reference< css::beans::XPropertySetInfo > SAL_CALL
    getPropertySetInfo() override;

    virtual void SAL_CALL setPropertyValue(
        OUString const & aPropertyName, css::uno::Any const & aValue) override;

    virtual css::uno::Any SAL_CALL getPropertyValue(
        OUString const & PropertyName) override;

    virtual void SAL_CALL addPropertyChangeListener(
        OUString const & aPropertyName,
        css::uno::Reference< css::beans::XPropertyChangeListener > const &
            xListener) override;

    virtual void SAL_CALL removePropertyChangeListener(
        OUString const & aPropertyName,
        css::uno::Reference< css::beans::XPropertyChangeListener > const &
            aListener) override;

    virtual void SAL_CALL addVetoableChangeListener(
        OUString const & PropertyName,
        css::uno::Reference< css::beans::XVetoableChangeListener > const &
            aListener) override;

    virtual void SAL_CALL removeVetoableChangeListener(
        OUString const & PropertyName,
        css::uno::Reference< css::beans::XVetoableChangeListener > const &
            aListener) override;

    virtual css::uno::Sequence< css::beans::Property > SAL_CALL getProperties() override;

    virtual css::beans::Property SAL_CALL getPropertyByName(
        OUString const & aName) override;

    virtual sal_Bool SAL_CALL hasPropertyByName(OUString const & Name) override;

    virtual void SAL_CALL disposing(css::lang::EventObject const & Source) override;

    virtual void SAL_CALL initialize(
        css::uno::Sequence<css::uno::Any> const & aArguments)
        override;

    // needs to be called with rBHelper.rMutex locked:
    bool isDisposed() const { return rBHelper.bDisposed || rBHelper.bInDispose; }

    void removeEventListenerFromComponent(
        css::uno::Reference< css::lang::XComponent > const & component);

    void readRdbDirectory(OUString const & uri, bool optional);

    void readRdbFile(OUString const & uri, bool optional);

    bool readLegacyRdbFile(OUString const & uri);

    OUString readLegacyRdbString(
        OUString const & uri, RegistryKey & key,
        OUString const & path);

    void readLegacyRdbStrings(
        OUString const & uri, RegistryKey & key,
        OUString const & path, std::vector< OUString > * strings);

    void insertRdbFiles(
        std::vector< OUString > const & uris,
        css::uno::Reference< css::uno::XComponentContext > const &
            alientContext);

    void insertLegacyFactory(
        css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo);

    bool insertExtraData(Data const & extra);

    void removeRdbFiles(std::vector< OUString > const & uris);

    bool removeLegacyFactory(
        css::uno::Reference< css::lang::XServiceInfo > const & factoryInfo,
        bool removeListener);

    void removeImplementation(const OUString & name);

    std::shared_ptr< Data::Implementation > findServiceImplementation(
        css::uno::Reference< css::uno::XComponentContext > const & context,
        OUString const & specifier);

    void preloadImplementations();

    css::uno::Reference< css::uno::XComponentContext > context_;
    Data data_;
};

}

/* vim:set shiftwidth=4 softtabstop=4 expandtab: */