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
/* -*- 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 <DrawController.hxx>
#include <ViewShellBase.hxx>
#include <slideshow.hxx>
#include "SlideShowRestarter.hxx"
#include <framework/ConfigurationController.hxx>
#include <framework/FrameworkHelper.hxx>
#include <sfx2/dispatch.hxx>
#include <sfx2/viewfrm.hxx>
#include <svx/svxids.hrc>
#include <vcl/svapp.hxx>

#include <functional>

using namespace ::com::sun::star::uno;
using namespace ::com::sun::star::lang;
using ::sd::framework::FrameworkHelper;

namespace sd {

SlideShowRestarter::SlideShowRestarter (
    const ::rtl::Reference<SlideShow>& rpSlideShow,
    ViewShellBase* pViewShellBase)
    : mnEventId(nullptr),
      mpSlideShow(rpSlideShow),
      mpViewShellBase(pViewShellBase),
      mnDisplayCount(Application::GetScreenCount()),
      mpDispatcher(pViewShellBase->GetViewFrame()->GetDispatcher()),
      mnCurrentSlideNumber(0)
{
}

SlideShowRestarter::~SlideShowRestarter()
{
}

void SlideShowRestarter::Restart (bool bForce)
{
    // Prevent multiple and concurrently restarts.
    if (mnEventId != nullptr)
        return;

    if (bForce)
        mnDisplayCount = 0;

    // Remember the current slide in order to restore it after the slide
    // show has been restarted.
    if (mpSlideShow.is())
        mnCurrentSlideNumber = mpSlideShow->getCurrentPageNumber();

    // Remember a shared pointer to this object to prevent its destruction
    // before the whole restarting process has finished.
    mpSelf = shared_from_this();

    // We do not know in what situation this method was called.  So, in
    // order to be able to cleanly stop the presentation, we do that
    // asynchronously.
    mnEventId = Application::PostUserEvent(
        LINK(this, SlideShowRestarter, EndPresentation));
}

IMPL_LINK_NOARG(SlideShowRestarter, EndPresentation, void*, void)<--- syntax error
{
    mnEventId = nullptr;
    if (!mpSlideShow.is())
        return;

    if (mnDisplayCount == static_cast<sal_Int32>(Application::GetScreenCount()))
        return;

    bool bIsExitAfterPresenting = mpSlideShow->IsExitAfterPresenting();
    mpSlideShow->SetExitAfterPresenting(false);
    mpSlideShow->end();
    mpSlideShow->SetExitAfterPresenting(bIsExitAfterPresenting);

    // The following piece of code should not be here because the
    // slide show should be aware of the existence of the presenter
    // console (which is displayed in the FullScreenPane).  But the
    // timing has to be right and I did not find a better place for
    // it.

    // Wait for the full screen pane, which displays the presenter
    // console, to disappear.  Only when it is gone, call
    // InitiatePresenterStart(), in order to begin the asynchronous
    // restart of the slide show.
    if (mpViewShellBase == nullptr)
        return;

    ::std::shared_ptr<FrameworkHelper> pHelper(
        FrameworkHelper::Instance(*mpViewShellBase));
    if (pHelper->GetConfigurationController()->getResource(
        FrameworkHelper::CreateResourceId(FrameworkHelper::msFullScreenPaneURL)).is())
    {
        ::sd::framework::ConfigurationController::Lock aLock (
            pHelper->GetConfigurationController());

        pHelper->RunOnConfigurationEvent(
            FrameworkHelper::msConfigurationUpdateEndEvent,
            ::std::bind(&SlideShowRestarter::StartPresentation, shared_from_this()));
        pHelper->UpdateConfiguration();
    }
    else
    {
        StartPresentation();
    }
}

void SlideShowRestarter::StartPresentation()
{
    //rhbz#1091117 crash because we're exiting the application, and this is
    //being called during the configuration update event on exit. At this point
    //newly created objects won't get disposed called on them, because the
    //disposer is doing its last execution of that now.
    if (mpViewShellBase && mpViewShellBase->GetDrawController().IsDisposing())
        return;

    if (mpDispatcher == nullptr && mpViewShellBase!=nullptr)
        mpDispatcher = mpViewShellBase->GetViewFrame()->GetDispatcher();

    // Start the slide show on the saved current slide.
    if (mpDispatcher != nullptr)
    {
        mpDispatcher->Execute(SID_PRESENTATION, SfxCallMode::ASYNCHRON);
        if (mpSlideShow.is())
        {
            Sequence<css::beans::PropertyValue> aProperties (1);
            aProperties[0].Name = "FirstPage";
            aProperties[0].Value <<= "page" + OUString::number(mnCurrentSlideNumber+1);
            mpSlideShow->startWithArguments(aProperties);
        }
        mpSelf.reset();
    }
}

} // end of namespace sd

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