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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
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 : #include "DrawController.hxx"
21 : #include "SlideShowRestarter.hxx"
22 : #include "framework/ConfigurationController.hxx"
23 : #include "framework/FrameworkHelper.hxx"
24 : #include <comphelper/processfactory.hxx>
25 : #include <sfx2/dispatch.hxx>
26 : #include <sfx2/viewfrm.hxx>
27 : #include <sfx2/app.hxx>
28 : #include <svx/svxids.hrc>
29 : #include <vcl/svapp.hxx>
30 : #include <boost/bind.hpp>
31 :
32 : using namespace ::com::sun::star::uno;
33 : using namespace ::com::sun::star::lang;
34 : using ::sd::framework::FrameworkHelper;
35 :
36 : namespace sd {
37 :
38 0 : SlideShowRestarter::SlideShowRestarter (
39 : const ::rtl::Reference<SlideShow>& rpSlideShow,
40 : ViewShellBase* pViewShellBase)
41 : : mnEventId(0),
42 : mpSlideShow(rpSlideShow),
43 : mpViewShellBase(pViewShellBase),
44 0 : mnDisplayCount(Application::GetScreenCount()),
45 0 : mpDispatcher(pViewShellBase->GetViewFrame()->GetDispatcher()),
46 0 : mnCurrentSlideNumber(0)
47 : {
48 0 : }
49 :
50 0 : SlideShowRestarter::~SlideShowRestarter()
51 : {
52 0 : }
53 :
54 0 : void SlideShowRestarter::Restart (bool bForce)
55 : {
56 : // Prevent multiple and concurrently restarts.
57 0 : if (mnEventId != 0)
58 0 : return;
59 :
60 0 : if (bForce)
61 0 : mnDisplayCount = 0;
62 :
63 : // Remember the current slide in order to restore it after the slide
64 : // show has been restarted.
65 0 : if (mpSlideShow.is())
66 0 : mnCurrentSlideNumber = mpSlideShow->getCurrentPageNumber();
67 :
68 : // Remember a shared pointer to this object to prevent its destruction
69 : // before the whole restarting process has finished.
70 0 : mpSelf = shared_from_this();
71 :
72 : // We do not know in what situation this method was called. So, in
73 : // order to be able to cleanly stop the presentation, we do that
74 : // asynchronously.
75 : mnEventId = Application::PostUserEvent(
76 0 : LINK(this, SlideShowRestarter, EndPresentation));
77 : }
78 :
79 0 : IMPL_LINK_NOARG(SlideShowRestarter, EndPresentation)
80 : {
81 0 : mnEventId = 0;
82 0 : if (mpSlideShow.is())
83 : {
84 0 : if (mnDisplayCount != (sal_Int32)Application::GetScreenCount())
85 : {
86 0 : bool bIsExitAfterPresenting = mpSlideShow->IsExitAfterPresenting();
87 0 : mpSlideShow->SetExitAfterPresenting(false);
88 0 : mpSlideShow->end();
89 0 : mpSlideShow->SetExitAfterPresenting(bIsExitAfterPresenting);
90 :
91 : // The following piece of code should not be here because the
92 : // slide show should be aware of the existence of the presenter
93 : // console (which is displayed in the FullScreenPane). But the
94 : // timing has to be right and I did not find a better place for
95 : // it.
96 :
97 : // Wait for the full screen pane, which displays the presenter
98 : // console, to disappear. Only when it is gone, call
99 : // InitiatePresenterStart(), in order to begin the asynchronous
100 : // restart of the slide show.
101 0 : if (mpViewShellBase != NULL)
102 : {
103 : ::boost::shared_ptr<FrameworkHelper> pHelper(
104 0 : FrameworkHelper::Instance(*mpViewShellBase));
105 0 : if (pHelper->GetConfigurationController()->getResource(
106 0 : FrameworkHelper::CreateResourceId(FrameworkHelper::msFullScreenPaneURL)).is())
107 : {
108 : ::sd::framework::ConfigurationController::Lock aLock (
109 0 : pHelper->GetConfigurationController());
110 :
111 : pHelper->RunOnConfigurationEvent(
112 : FrameworkHelper::msConfigurationUpdateEndEvent,
113 0 : ::boost::bind(&SlideShowRestarter::StartPresentation, shared_from_this()));
114 0 : pHelper->UpdateConfiguration();
115 : }
116 : else
117 : {
118 0 : StartPresentation();
119 0 : }
120 : }
121 : }
122 : }
123 0 : return 0;
124 : }
125 :
126 0 : void SlideShowRestarter::StartPresentation()
127 : {
128 : //rhbz#1091117 crash because we're exiting the application, and this is
129 : //being called during the configuration update event on exit. At this point
130 : //newly created objects won't get disposed called on them, because the
131 : //disposer is doing its last execution of that now.
132 0 : if (mpViewShellBase && mpViewShellBase->GetDrawController().IsDisposing())
133 0 : return;
134 :
135 0 : if (mpDispatcher == NULL && mpViewShellBase!=NULL)
136 0 : mpDispatcher = mpViewShellBase->GetViewFrame()->GetDispatcher();
137 :
138 : // Start the slide show on the saved current slide.
139 0 : if (mpDispatcher != NULL)
140 : {
141 0 : mpDispatcher->Execute(SID_PRESENTATION, SfxCallMode::ASYNCHRON);
142 0 : if (mpSlideShow.is())
143 : {
144 0 : Sequence<css::beans::PropertyValue> aProperties (1);
145 0 : aProperties[0].Name = "FirstPage";
146 0 : aProperties[0].Value <<= "page" + OUString::number(mnCurrentSlideNumber+1);
147 0 : mpSlideShow->startWithArguments(aProperties);
148 : }
149 0 : mpSelf.reset();
150 : }
151 : }
152 :
153 66 : } // end of namespace sd
154 :
155 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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