summaryrefslogtreecommitdiffstats
path: root/unotools/source/config/cmdoptions.cxx
blob: 1408f22c24806afff822fa23b3a0e0443a4f6851 (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
/* -*- 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 .
 */

#include <sal/config.h>

#include <sal/log.hxx>
#include <unotools/cmdoptions.hxx>
#include <unotools/configitem.hxx>
#include <tools/debug.hxx>
#include <com/sun/star/uno/Any.hxx>
#include <com/sun/star/uno/Sequence.hxx>
#include <com/sun/star/frame/XFrame.hpp>
#include <cppuhelper/weakref.hxx>

#include "itemholder1.hxx"

#include <algorithm>
#include <unordered_map>

using namespace ::std;
using namespace ::utl;
using namespace ::osl;
using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::beans;

constexpr OUStringLiteral ROOTNODE_CMDOPTIONS        = u"Office.Commands/Execute";
#define PATHDELIMITER                                   "/"

#define SETNODE_DISABLED                                "Disabled"

#define PROPERTYNAME_CMD                                "Command"

namespace {

/*-****************************************************************************************************************
    @descr  support simple command option structures and operations on it
****************************************************************************************************************-*/
class SvtCmdOptions
{
    public:

        // the only way to free memory!
        void Clear()
        {
            m_aCommandHashMap.clear();
        }

        bool HasEntries() const
        {
            return ( !m_aCommandHashMap.empty() );
        }

        bool Lookup( const OUString& aCmd ) const
        {
            CommandHashMap::const_iterator pEntry = m_aCommandHashMap.find( aCmd );
            return ( pEntry != m_aCommandHashMap.end() );
        }

        void AddCommand( const OUString& aCmd )
        {
            m_aCommandHashMap.emplace( aCmd, 0 );
        }

    private:
        typedef std::unordered_map<OUString, sal_Int32>
            CommandHashMap;

        CommandHashMap m_aCommandHashMap;
};

std::mutex& GetOwnStaticMutex()
{
    static std::mutex theCommandOptionsMutex;
    return theCommandOptionsMutex;
}

}

typedef ::std::vector< css::uno::WeakReference< css::frame::XFrame > > SvtFrameVector;

class SvtCommandOptions_Impl : public ConfigItem
{
    public:

         SvtCommandOptions_Impl();
        virtual ~SvtCommandOptions_Impl() override;

        /*-****************************************************************************************************
            @short      called for notify of configmanager
            @descr      This method is called from the ConfigManager before the application ends or from the
                         PropertyChangeListener if the sub tree broadcasts changes. You must update your
                        internal values.

            @seealso    baseclass ConfigItem

            @param      "lPropertyNames" is the list of properties which should be updated.
        *//*-*****************************************************************************************************/

        virtual void Notify( const Sequence< OUString >& lPropertyNames ) override;

        /*-****************************************************************************************************
            @short      base implementation of public interface for "SvtDynamicMenuOptions"!
            @descr      These class is used as static member of "SvtDynamicMenuOptions" ...
                        => The code exist only for one time and isn't duplicated for every instance!
        *//*-*****************************************************************************************************/

        bool                HasEntries  (   SvtCommandOptions::CmdOption    eOption     ) const;
        bool                Lookup      (   SvtCommandOptions::CmdOption    eCmdOption, const OUString& ) const;
        void EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame);

    private:

        virtual void ImplCommit() override;

        /*-****************************************************************************************************
            @short      return list of key names of our configuration management which represent our module tree
            @descr      This method returns the current list of key names! We need it to get needed values from our
                        configuration management and support dynamical menu item lists!
            @param      "nDisabledCount", returns count of menu entries for "new"
            @return     A list of configuration key names is returned.
        *//*-*****************************************************************************************************/

        Sequence< OUString > impl_GetPropertyNames();

    private:
        SvtCmdOptions  m_aDisabledCommands;
        SvtFrameVector m_lFrames;
};

//  constructor

SvtCommandOptions_Impl::SvtCommandOptions_Impl()
    // Init baseclasses first
    :   ConfigItem( ROOTNODE_CMDOPTIONS )
    // Init member then...
{
    // Get names and values of all accessible menu entries and fill internal structures.
    // See impl_GetPropertyNames() for further information.
    Sequence< OUString >    lNames              = impl_GetPropertyNames ();
    Sequence< Any >         lValues             = GetProperties         ( lNames         );

    // Safe impossible cases.
    // We need values from ALL configuration keys.
    // Follow assignment use order of values in relation to our list of key names!
    DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::SvtCommandOptions_Impl()\nI miss some values of configuration keys!\n" );

    // Copy values from list in right order to our internal member.
    // Attention: List for names and values have an internal construction pattern!
    sal_Int32   nItem     = 0;
    OUString    sCmd;

    // Get names/values for disabled commands.
    for( nItem=0; nItem < lNames.getLength(); ++nItem )
    {
        // Currently only one value
        lValues[nItem] >>= sCmd;
        m_aDisabledCommands.AddCommand( sCmd );
    }

/*TODO: Not used in the moment! see Notify() ...
    // Enable notification mechanism of our baseclass.
    // We need it to get information about changes outside these class on our used configuration keys! */
    Sequence<OUString> aNotifySeq { "Disabled" };
    EnableNotification( aNotifySeq, true );
}

//  destructor

SvtCommandOptions_Impl::~SvtCommandOptions_Impl()
{
    assert(!IsModified()); // should have been committed
}

//  public method

void SvtCommandOptions_Impl::Notify( const Sequence< OUString >& )
{
    std::unique_lock aGuard( GetOwnStaticMutex() );

    Sequence< OUString >    lNames   = impl_GetPropertyNames ();
    Sequence< Any >         lValues  = GetProperties         ( lNames         );

    // Safe impossible cases.
    // We need values from ALL configuration keys.
    // Follow assignment use order of values in relation to our list of key names!
    DBG_ASSERT( !(lNames.getLength()!=lValues.getLength()), "SvtCommandOptions_Impl::Notify()\nI miss some values of configuration keys!\n" );

    // Copy values from list in right order to our internal member.
    // Attention: List for names and values have an internal construction pattern!
    sal_Int32   nItem     = 0;
    OUString    sCmd;

    m_aDisabledCommands.Clear();

    // Get names/values for disabled commands.
    for( nItem=0; nItem < lNames.getLength(); ++nItem )
    {
        // Currently only one value
        lValues[nItem] >>= sCmd;
        m_aDisabledCommands.AddCommand( sCmd );
    }

    // don't forget to update all existing frames and her might cached dispatch objects!
    // But look for already killed frames. We hold weak references instead of hard ones ...
    for (SvtFrameVector::iterator pIt  = m_lFrames.begin(); pIt != m_lFrames.end(); )
    {
        css::uno::Reference< css::frame::XFrame > xFrame(pIt->get(), css::uno::UNO_QUERY);
        if (xFrame.is())
        {
            xFrame->contextChanged();
            ++pIt;
        }
        else
            pIt = m_lFrames.erase(pIt);
    }
}

//  public method

void SvtCommandOptions_Impl::ImplCommit()
{
    SAL_WARN("unotools.config","SvtCommandOptions_Impl::ImplCommit(): Not implemented yet!");
}

//  public method

bool SvtCommandOptions_Impl::HasEntries( SvtCommandOptions::CmdOption eOption ) const
{
    if ( eOption == SvtCommandOptions::CMDOPTION_DISABLED )
        return m_aDisabledCommands.HasEntries();
    else
        return false;
}

//  public method

bool SvtCommandOptions_Impl::Lookup( SvtCommandOptions::CmdOption eCmdOption, const OUString& aCommand ) const
{
    switch( eCmdOption )
    {
        case SvtCommandOptions::CMDOPTION_DISABLED:
        {
            return m_aDisabledCommands.Lookup( aCommand );
        }
        default:
            SAL_WARN( "unotools.config", "SvtCommandOptions_Impl::Lookup() Unknown option type given!" );
    }

    return false;
}

//  public method

void SvtCommandOptions_Impl::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame)
{
    // check if frame already exists inside list
    // ignore double registrations
    // every frame must be notified one times only!
    css::uno::WeakReference< css::frame::XFrame > xWeak(xFrame);
    SvtFrameVector::const_iterator pIt = ::std::find(m_lFrames.begin(), m_lFrames.end(), xWeak);
    if (pIt == m_lFrames.end())
        m_lFrames.push_back(xWeak);
}

//  private method

Sequence< OUString > SvtCommandOptions_Impl::impl_GetPropertyNames()
{
    // First get ALL names of current existing list items in configuration!
    Sequence< OUString > lDisabledItems      = GetNodeNames( SETNODE_DISABLED, utl::ConfigNameFormat::LocalPath );

    // Expand all keys
    for (OUString& rItem : asNonConstRange(lDisabledItems))
        rItem =  SETNODE_DISABLED PATHDELIMITER + rItem + PATHDELIMITER PROPERTYNAME_CMD;

    // Return result.
    return lDisabledItems;
}

namespace {

std::weak_ptr<SvtCommandOptions_Impl> g_pCommandOptions;

}

SvtCommandOptions::SvtCommandOptions()
{
    // Global access, must be guarded (multithreading!).
    std::unique_lock aGuard( GetOwnStaticMutex() );

    m_pImpl = g_pCommandOptions.lock();
    if( !m_pImpl )
    {
        m_pImpl = std::make_shared<SvtCommandOptions_Impl>();
        g_pCommandOptions = m_pImpl;
        aGuard.unlock(); // because holdConfigItem will call this constructor
        ItemHolder1::holdConfigItem(EItem::CmdOptions);
    }
}

SvtCommandOptions::~SvtCommandOptions()
{
    // Global access, must be guarded (multithreading!)
    std::unique_lock aGuard( GetOwnStaticMutex() );

    m_pImpl.reset();
}

//  public method

bool SvtCommandOptions::HasEntries( CmdOption eOption ) const
{
    std::unique_lock aGuard( GetOwnStaticMutex() );
    return m_pImpl->HasEntries( eOption );
}

//  public method

bool SvtCommandOptions::Lookup( CmdOption eCmdOption, const OUString& aCommandURL ) const
{
    std::unique_lock aGuard( GetOwnStaticMutex() );
    return m_pImpl->Lookup( eCmdOption, aCommandURL );
}

//  public method

void SvtCommandOptions::EstablishFrameCallback(const css::uno::Reference< css::frame::XFrame >& xFrame)
{
    std::unique_lock aGuard( GetOwnStaticMutex() );
    m_pImpl->EstablishFrameCallback(xFrame);
}

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