vcl/unx/kde/UnxCommandThread.hxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
   3  * This file is part of the LibreOffice project.
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   5  * This Source Code Form is subject to the terms of the Mozilla Public
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #ifndef INCLUDED_VCL_UNX_KDE_UNXCOMMANDTHREAD_HXX
  21 #define INCLUDED_VCL_UNX_KDE_UNXCOMMANDTHREAD_HXX
  22
  23 #include <com/sun/star/uno/Any.hxx>
  24 #include <com/sun/star/uno/Sequence.hxx>
  25
  26 #include <osl/conditn.hxx>
  27 #include <osl/mutex.hxx>
  28 #include <osl/thread.hxx>
  29 #include <rtl/ustring.hxx>
  30
  31 #include <vcl/svapp.hxx>
  32
  33 #include <list>
  34
  35 class UnxFilePickerNotifyThread;
  36
  37 /** Synchronization for the 'thread-less' version of the fpicker.
  38
  39     Something like osl::Condition, but calls Application::Yield() while in
  40     wait().
  41 */
  42 class YieldingCondition
  43 {
  44     ::osl::Mutex m_aMutex;
  45     bool m_bValue;
  46
  47     bool get()
  48     {
  49         ::osl::MutexGuard aGuard( m_aMutex );
  50         return m_bValue;
  51     }
  52
  53 public:
  54     YieldingCondition() { reset(); }
  55
  56     void reset()
  57     {
  58         ::osl::MutexGuard aGuard( m_aMutex );
  59         m_bValue = false;
  60     }
  61
  62     void set()
  63     {
  64         ::osl::MutexGuard aGuard( m_aMutex );
  65         m_bValue = true;
  66     }
  67
  68     void wait()
  69     {
  70         while ( !get() )
  71             Application::Yield();
  72     }
  73 };
  74
  75 class UnxFilePickerCommandThread : public ::osl::Thread
  76 {
  77 protected:
  78     UnxFilePickerNotifyThread  *m_pNotifyThread;
  79     int                         m_nReadFD;
  80
  81     ::osl::Mutex                m_aMutex;
  82
  83     YieldingCondition           m_aExecCondition;
  84     sal_Bool                    m_aResult;
  85
  86     ::osl::Condition            m_aGetCurrentFilterCondition;
  87     OUString             m_aGetCurrentFilter;
  88
  89     ::osl::Condition            m_aGetDirectoryCondition;
  90     OUString             m_aGetDirectory;
  91
  92     ::osl::Condition            m_aGetFilesCondition;
  93     ::std::list< OUString > m_aGetFiles;
  94
  95     ::osl::Condition            m_aGetValueCondition;
  96     ::com::sun::star::uno::Any  m_aGetValue;
  97
  98 public:
  99     UnxFilePickerCommandThread( UnxFilePickerNotifyThread *pNotifyThread, int nReadFD );
 100     ~UnxFilePickerCommandThread();
 101
 102     YieldingCondition& SAL_CALL execCondition() { return m_aExecCondition; }
 103     sal_Bool SAL_CALL           result();
 104
 105     ::osl::Condition& SAL_CALL  getCurrentFilterCondition() { return m_aGetCurrentFilterCondition; }
 106     OUString SAL_CALL    getCurrentFilter();
 107
 108     ::osl::Condition& SAL_CALL  getDirectoryCondition() { return m_aGetDirectoryCondition; }
 109     OUString SAL_CALL    getDirectory();
 110
 111     ::osl::Condition& SAL_CALL  getFilesCondition() { return m_aGetFilesCondition; }
 112     ::com::sun::star::uno::Sequence< OUString > SAL_CALL getFiles();
 113
 114     ::osl::Condition& SAL_CALL  getValueCondition() { return m_aGetValueCondition; }
 115     ::com::sun::star::uno::Any SAL_CALL getValue();
 116
 117 protected:
 118     virtual void SAL_CALL       run();
 119
 120     virtual void SAL_CALL       handleCommand( const OUString &rCommand/*, sal_Bool &rQuit*/ );
 121     ::std::list< OUString > SAL_CALL tokenize( const OUString &rCommand );
 122 };
 123
 124 #endif // INCLUDED_VCL_UNX_KDE_UNXCOMMANDTHREAD_HXX
 125
 126 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */