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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 "SlideSorter.hxx"
21 : #include "model/SlideSorterModel.hxx"
22 : #include "model/SlsPageDescriptor.hxx"
23 : #include "controller/SlsPageSelector.hxx"
24 : #include "controller/SlideSorterController.hxx"
25 : #include "controller/SlsCurrentSlideManager.hxx"
26 : #include "controller/SlsFocusManager.hxx"
27 : #include "view/SlideSorterView.hxx"
28 : #include "ViewShellBase.hxx"
29 : #include "ViewShell.hxx"
30 : #include "DrawViewShell.hxx"
31 : #include "sdpage.hxx"
32 : #include "FrameView.hxx"
33 : #include <com/sun/star/beans/XPropertySet.hpp>
34 :
35 : using namespace ::com::sun::star;
36 : using namespace ::com::sun::star::uno;
37 :
38 : using namespace ::sd::slidesorter::model;
39 :
40 : namespace sd { namespace slidesorter { namespace controller {
41 :
42 64 : CurrentSlideManager::CurrentSlideManager (SlideSorter& rSlideSorter)
43 : : mrSlideSorter(rSlideSorter),
44 : mnCurrentSlideIndex(-1),
45 : mpCurrentSlide(),
46 64 : maSwitchPageDelayTimer()
47 : {
48 64 : maSwitchPageDelayTimer.SetTimeout(100);
49 64 : maSwitchPageDelayTimer.SetTimeoutHdl(LINK(this,CurrentSlideManager,SwitchPageCallback));
50 64 : }
51 :
52 64 : CurrentSlideManager::~CurrentSlideManager()
53 : {
54 64 : }
55 :
56 206 : void CurrentSlideManager::NotifyCurrentSlideChange (const SdPage* pPage)
57 : {
58 206 : if (pPage != NULL)
59 : NotifyCurrentSlideChange(
60 206 : mrSlideSorter.GetModel().GetIndex(
61 : Reference<drawing::XDrawPage>(
62 : const_cast<SdPage*>(pPage)->getUnoPage(),
63 412 : UNO_QUERY)));
64 : else
65 0 : NotifyCurrentSlideChange(-1);
66 206 : }
67 :
68 298 : void CurrentSlideManager::NotifyCurrentSlideChange (const sal_Int32 nSlideIndex)
69 : {
70 298 : if (mnCurrentSlideIndex != nSlideIndex)
71 : {
72 97 : PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter.GetController().GetPageSelector());
73 :
74 97 : mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
75 :
76 97 : ReleaseCurrentSlide();
77 97 : AcquireCurrentSlide(nSlideIndex);
78 :
79 : // Update the selection.
80 97 : if (mpCurrentSlide)
81 : {
82 85 : mrSlideSorter.GetController().GetPageSelector().SelectPage(mpCurrentSlide);
83 85 : mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(mpCurrentSlide);
84 97 : }
85 : }
86 298 : }
87 :
88 97 : void CurrentSlideManager::ReleaseCurrentSlide()
89 : {
90 97 : if (mpCurrentSlide.get() != NULL)
91 15 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, false);
92 :
93 97 : mpCurrentSlide.reset();
94 97 : mnCurrentSlideIndex = -1;
95 97 : }
96 :
97 97 : bool CurrentSlideManager::IsCurrentSlideIsValid()
98 : {
99 97 : return mnCurrentSlideIndex >= 0 && mnCurrentSlideIndex<mrSlideSorter.GetModel().GetPageCount();
100 : }
101 :
102 97 : void CurrentSlideManager::AcquireCurrentSlide (const sal_Int32 nSlideIndex)
103 : {
104 97 : mnCurrentSlideIndex = nSlideIndex;
105 :
106 97 : if (IsCurrentSlideIsValid())
107 : {
108 : // Get a descriptor for the XDrawPage reference. Note that the
109 : // given XDrawPage may or may not be member of the slide sorter
110 : // document.
111 85 : mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex);
112 85 : if (mpCurrentSlide.get() != NULL)
113 85 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true);
114 : }
115 97 : }
116 :
117 0 : void CurrentSlideManager::SwitchCurrentSlide (
118 : const sal_Int32 nSlideIndex,
119 : const bool bUpdateSelection)
120 : {
121 0 : SwitchCurrentSlide(mrSlideSorter.GetModel().GetPageDescriptor(nSlideIndex), bUpdateSelection);
122 0 : }
123 :
124 85 : void CurrentSlideManager::SwitchCurrentSlide (
125 : const SharedPageDescriptor& rpDescriptor,
126 : const bool bUpdateSelection)
127 : {
128 85 : if (rpDescriptor.get() != NULL && mpCurrentSlide!=rpDescriptor)
129 : {
130 0 : ReleaseCurrentSlide();
131 0 : AcquireCurrentSlide((rpDescriptor->GetPage()->GetPageNum()-1)/2);
132 :
133 0 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
134 0 : if (pViewShell != NULL && pViewShell->IsMainViewShell())
135 : {
136 : // The slide sorter is the main view.
137 0 : FrameView* pFrameView = pViewShell->GetFrameView();
138 0 : if (pFrameView != NULL)
139 0 : pFrameView->SetSelectedPage(sal::static_int_cast<sal_uInt16>(mnCurrentSlideIndex));
140 0 : mrSlideSorter.GetController().GetPageSelector().SetCoreSelection();
141 : }
142 :
143 : // We do not tell the XController/ViewShellBase about the new
144 : // slide right away. This is done asynchronously after a short
145 : // delay to allow for more slide switches in the slide sorter.
146 : // This goes under the assumption that slide switching inside
147 : // the slide sorter is fast (no expensive redraw of the new page
148 : // (unless the preview of the new slide is not yet preset)) and
149 : // that slide switching in the edit view is slow (all shapes of
150 : // the new slide have to be repainted.)
151 0 : maSwitchPageDelayTimer.Start();
152 :
153 : // We have to store the (index of the) new current slide at
154 : // the tab control because there are other asynchronous
155 : // notifications of the slide switching that otherwise
156 : // overwrite the correct value.
157 0 : SetCurrentSlideAtTabControl(mpCurrentSlide);
158 :
159 0 : if (bUpdateSelection)
160 : {
161 0 : mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
162 0 : mrSlideSorter.GetController().GetPageSelector().SelectPage(rpDescriptor);
163 : }
164 0 : mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(rpDescriptor);
165 : }
166 85 : }
167 :
168 0 : void CurrentSlideManager::SetCurrentSlideAtViewShellBase (const SharedPageDescriptor& rpDescriptor)
169 : {
170 : OSL_ASSERT(rpDescriptor.get() != NULL);
171 :
172 0 : ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
173 0 : if (pBase != NULL)
174 : {
175 : DrawViewShell* pDrawViewShell = dynamic_cast<DrawViewShell*>(
176 0 : pBase->GetMainViewShell().get());
177 0 : if (pDrawViewShell != NULL)
178 : {
179 0 : sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2;
180 0 : pDrawViewShell->SwitchPage(nPageNumber);
181 0 : pDrawViewShell->GetPageTabControl().SetCurPageId(nPageNumber+1);
182 : }
183 : }
184 0 : }
185 :
186 0 : void CurrentSlideManager::SetCurrentSlideAtTabControl (const SharedPageDescriptor& rpDescriptor)
187 : {
188 : OSL_ASSERT(rpDescriptor.get() != NULL);
189 :
190 0 : ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
191 0 : if (pBase != NULL)
192 : {
193 : ::boost::shared_ptr<DrawViewShell> pDrawViewShell (
194 0 : ::boost::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell()));
195 0 : if (pDrawViewShell)
196 : {
197 0 : sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2;
198 0 : pDrawViewShell->GetPageTabControl().SetCurPageId(nPageNumber+1);
199 0 : }
200 : }
201 0 : }
202 :
203 0 : void CurrentSlideManager::SetCurrentSlideAtXController (const SharedPageDescriptor& rpDescriptor)
204 : {
205 : OSL_ASSERT(rpDescriptor.get() != NULL);
206 :
207 : try
208 : {
209 0 : Reference<beans::XPropertySet> xSet (mrSlideSorter.GetXController(), UNO_QUERY);
210 0 : if (xSet.is())
211 : {
212 0 : Any aPage;
213 0 : aPage <<= rpDescriptor->GetPage()->getUnoPage();
214 0 : xSet->setPropertyValue (
215 : OUString("CurrentPage"),
216 0 : aPage);
217 0 : }
218 : }
219 0 : catch (const Exception&)
220 : {
221 : // We have not been able to set the current page at the main view.
222 : // This is sad but still leaves us in a valid state. Therefore,
223 : // this exception is silently ignored.
224 : }
225 0 : }
226 :
227 88 : void CurrentSlideManager::PrepareModelChange()
228 : {
229 88 : mpCurrentSlide.reset();
230 88 : }
231 :
232 88 : void CurrentSlideManager::HandleModelChange()
233 : {
234 88 : if (mnCurrentSlideIndex >= 0)
235 : {
236 83 : mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex);
237 83 : if (mpCurrentSlide.get() != NULL)
238 83 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true);
239 : }
240 88 : }
241 :
242 0 : IMPL_LINK_NOARG_TYPED(CurrentSlideManager, SwitchPageCallback, Timer *, void)
243 : {
244 0 : if (mpCurrentSlide)
245 : {
246 : // Set current page. At the moment we have to do this in two
247 : // different ways. The UNO way is the preferable one but, alas,
248 : // it does not work always correctly (after some kinds of model
249 : // changes). Therefore, we call DrawViewShell::SwitchPage(),
250 : // too.
251 0 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
252 0 : if (pViewShell==NULL || ! pViewShell->IsMainViewShell())
253 0 : SetCurrentSlideAtViewShellBase(mpCurrentSlide);
254 0 : SetCurrentSlideAtXController(mpCurrentSlide);
255 : }
256 0 : }
257 :
258 66 : } } } // end of namespace ::sd::slidesorter::controller
259 :
260 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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