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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 :
21 : #include "SlideSorter.hxx"
22 : #include "model/SlideSorterModel.hxx"
23 : #include "model/SlsPageDescriptor.hxx"
24 : #include "controller/SlsPageSelector.hxx"
25 : #include "controller/SlideSorterController.hxx"
26 : #include "controller/SlsCurrentSlideManager.hxx"
27 : #include "controller/SlsFocusManager.hxx"
28 : #include "view/SlideSorterView.hxx"
29 : #include "ViewShellBase.hxx"
30 : #include "ViewShell.hxx"
31 : #include "DrawViewShell.hxx"
32 : #include "sdpage.hxx"
33 : #include "FrameView.hxx"
34 : #include <com/sun/star/beans/XPropertySet.hpp>
35 :
36 : using namespace ::com::sun::star;
37 : using namespace ::com::sun::star::uno;
38 :
39 : using namespace ::sd::slidesorter::model;
40 :
41 :
42 : namespace sd { namespace slidesorter { namespace controller {
43 :
44 :
45 0 : CurrentSlideManager::CurrentSlideManager (SlideSorter& rSlideSorter)
46 : : mrSlideSorter(rSlideSorter),
47 : mnCurrentSlideIndex(-1),
48 : mpCurrentSlide(),
49 0 : maSwitchPageDelayTimer()
50 : {
51 0 : maSwitchPageDelayTimer.SetTimeout(100);
52 0 : maSwitchPageDelayTimer.SetTimeoutHdl(LINK(this,CurrentSlideManager,SwitchPageCallback));
53 0 : }
54 :
55 :
56 :
57 :
58 0 : CurrentSlideManager::~CurrentSlideManager (void)
59 : {
60 0 : }
61 :
62 :
63 :
64 :
65 0 : void CurrentSlideManager::NotifyCurrentSlideChange (const SdPage* pPage)
66 : {
67 0 : if (pPage != NULL)
68 : NotifyCurrentSlideChange(
69 0 : mrSlideSorter.GetModel().GetIndex(
70 : Reference<drawing::XDrawPage>(
71 : const_cast<SdPage*>(pPage)->getUnoPage(),
72 0 : UNO_QUERY)));
73 : else
74 0 : NotifyCurrentSlideChange(-1);
75 0 : }
76 :
77 :
78 :
79 :
80 0 : void CurrentSlideManager::NotifyCurrentSlideChange (const sal_Int32 nSlideIndex)
81 : {
82 0 : if (mnCurrentSlideIndex != nSlideIndex)
83 : {
84 0 : PageSelector::BroadcastLock aBroadcastLock (mrSlideSorter.GetController().GetPageSelector());
85 :
86 0 : mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
87 :
88 0 : ReleaseCurrentSlide();
89 0 : AcquireCurrentSlide(nSlideIndex);
90 :
91 : // Update the selection.
92 0 : if (mpCurrentSlide)
93 : {
94 0 : mrSlideSorter.GetController().GetPageSelector().SelectPage(mpCurrentSlide);
95 0 : mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(mpCurrentSlide);
96 0 : }
97 : }
98 0 : }
99 :
100 :
101 :
102 :
103 0 : void CurrentSlideManager::ReleaseCurrentSlide (void)
104 : {
105 0 : if (mpCurrentSlide.get() != NULL)
106 0 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, false);
107 :
108 0 : mpCurrentSlide.reset();
109 0 : mnCurrentSlideIndex = -1;
110 0 : }
111 :
112 :
113 :
114 :
115 0 : bool CurrentSlideManager::IsCurrentSlideIsValid (void)
116 : {
117 0 : return mnCurrentSlideIndex >= 0 && mnCurrentSlideIndex<mrSlideSorter.GetModel().GetPageCount();
118 : }
119 :
120 :
121 :
122 :
123 0 : void CurrentSlideManager::AcquireCurrentSlide (const sal_Int32 nSlideIndex)
124 : {
125 0 : mnCurrentSlideIndex = nSlideIndex;
126 :
127 0 : if (IsCurrentSlideIsValid())
128 : {
129 : // Get a descriptor for the XDrawPage reference. Note that the
130 : // given XDrawPage may or may not be member of the slide sorter
131 : // document.
132 0 : mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex);
133 0 : if (mpCurrentSlide.get() != NULL)
134 0 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true);
135 : }
136 0 : }
137 :
138 :
139 :
140 :
141 0 : void CurrentSlideManager::SwitchCurrentSlide (
142 : const sal_Int32 nSlideIndex,
143 : const bool bUpdateSelection)
144 : {
145 0 : SwitchCurrentSlide(mrSlideSorter.GetModel().GetPageDescriptor(nSlideIndex), bUpdateSelection);
146 0 : }
147 :
148 :
149 :
150 :
151 0 : void CurrentSlideManager::SwitchCurrentSlide (
152 : const SharedPageDescriptor& rpDescriptor,
153 : const bool bUpdateSelection)
154 : {
155 0 : if (rpDescriptor.get() != NULL && mpCurrentSlide!=rpDescriptor)
156 : {
157 0 : ReleaseCurrentSlide();
158 0 : AcquireCurrentSlide((rpDescriptor->GetPage()->GetPageNum()-1)/2);
159 :
160 0 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
161 0 : if (pViewShell != NULL && pViewShell->IsMainViewShell())
162 : {
163 : // The slide sorter is the main view.
164 0 : FrameView* pFrameView = pViewShell->GetFrameView();
165 0 : if (pFrameView != NULL)
166 0 : pFrameView->SetSelectedPage(sal::static_int_cast<sal_uInt16>(mnCurrentSlideIndex));
167 0 : mrSlideSorter.GetController().GetPageSelector().SetCoreSelection();
168 : }
169 :
170 : // We do not tell the XController/ViewShellBase about the new
171 : // slide right away. This is done asynchronously after a short
172 : // delay to allow for more slide switches in the slide sorter.
173 : // This goes under the assumption that slide switching inside
174 : // the slide sorter is fast (no expensive redraw of the new page
175 : // (unless the preview of the new slide is not yet preset)) and
176 : // that slide switching in the edit view is slow (all shapes of
177 : // the new slide have to be repainted.)
178 0 : maSwitchPageDelayTimer.Start();
179 :
180 : // We have to store the (index of the) new current slide at
181 : // the tab control because there are other asynchronous
182 : // notifications of the slide switching that otherwise
183 : // overwrite the correct value.
184 0 : SetCurrentSlideAtTabControl(mpCurrentSlide);
185 :
186 0 : if (bUpdateSelection)
187 : {
188 0 : mrSlideSorter.GetController().GetPageSelector().DeselectAllPages();
189 0 : mrSlideSorter.GetController().GetPageSelector().SelectPage(rpDescriptor);
190 : }
191 0 : mrSlideSorter.GetController().GetFocusManager().SetFocusedPage(rpDescriptor);
192 : }
193 0 : }
194 :
195 :
196 :
197 :
198 0 : void CurrentSlideManager::SetCurrentSlideAtViewShellBase (const SharedPageDescriptor& rpDescriptor)
199 : {
200 : OSL_ASSERT(rpDescriptor.get() != NULL);
201 :
202 0 : ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
203 0 : if (pBase != NULL)
204 : {
205 : DrawViewShell* pDrawViewShell = dynamic_cast<DrawViewShell*>(
206 0 : pBase->GetMainViewShell().get());
207 0 : if (pDrawViewShell != NULL)
208 : {
209 0 : sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2;
210 0 : pDrawViewShell->SwitchPage(nPageNumber);
211 0 : pDrawViewShell->GetPageTabControl()->SetCurPageId(nPageNumber+1);
212 : }
213 : }
214 0 : }
215 :
216 :
217 :
218 :
219 0 : void CurrentSlideManager::SetCurrentSlideAtTabControl (const SharedPageDescriptor& rpDescriptor)
220 : {
221 : OSL_ASSERT(rpDescriptor.get() != NULL);
222 :
223 0 : ViewShellBase* pBase = mrSlideSorter.GetViewShellBase();
224 0 : if (pBase != NULL)
225 : {
226 : ::boost::shared_ptr<DrawViewShell> pDrawViewShell (
227 0 : ::boost::dynamic_pointer_cast<DrawViewShell>(pBase->GetMainViewShell()));
228 0 : if (pDrawViewShell)
229 : {
230 0 : sal_uInt16 nPageNumber = (rpDescriptor->GetPage()->GetPageNum()-1)/2;
231 0 : pDrawViewShell->GetPageTabControl()->SetCurPageId(nPageNumber+1);
232 0 : }
233 : }
234 0 : }
235 :
236 :
237 :
238 :
239 0 : void CurrentSlideManager::SetCurrentSlideAtXController (const SharedPageDescriptor& rpDescriptor)
240 : {
241 : OSL_ASSERT(rpDescriptor.get() != NULL);
242 :
243 : try
244 : {
245 0 : Reference<beans::XPropertySet> xSet (mrSlideSorter.GetXController(), UNO_QUERY);
246 0 : if (xSet.is())
247 : {
248 0 : Any aPage;
249 0 : aPage <<= rpDescriptor->GetPage()->getUnoPage();
250 0 : xSet->setPropertyValue (
251 : OUString("CurrentPage"),
252 0 : aPage);
253 0 : }
254 : }
255 0 : catch (const Exception&)
256 : {
257 : // We have not been able to set the current page at the main view.
258 : // This is sad but still leaves us in a valid state. Therefore,
259 : // this exception is silently ignored.
260 : }
261 0 : }
262 :
263 :
264 :
265 :
266 0 : SharedPageDescriptor CurrentSlideManager::GetCurrentSlide (void)
267 : {
268 0 : return mpCurrentSlide;
269 : }
270 :
271 :
272 :
273 :
274 0 : void CurrentSlideManager::PrepareModelChange (void)
275 : {
276 0 : mpCurrentSlide.reset();
277 0 : }
278 :
279 :
280 :
281 :
282 0 : void CurrentSlideManager::HandleModelChange (void)
283 : {
284 0 : if (mnCurrentSlideIndex >= 0)
285 : {
286 0 : mpCurrentSlide = mrSlideSorter.GetModel().GetPageDescriptor(mnCurrentSlideIndex);
287 0 : if (mpCurrentSlide.get() != NULL)
288 0 : mrSlideSorter.GetView().SetState(mpCurrentSlide, PageDescriptor::ST_Current, true);
289 : }
290 0 : }
291 :
292 :
293 :
294 :
295 0 : IMPL_LINK_NOARG(CurrentSlideManager, SwitchPageCallback)
296 : {
297 0 : if (mpCurrentSlide)
298 : {
299 : // Set current page. At the moment we have to do this in two
300 : // different ways. The UNO way is the preferable one but, alas,
301 : // it does not work always correctly (after some kinds of model
302 : // changes). Therefore, we call DrawViewShell::SwitchPage(),
303 : // too.
304 0 : ViewShell* pViewShell = mrSlideSorter.GetViewShell();
305 0 : if (pViewShell==NULL || ! pViewShell->IsMainViewShell())
306 0 : SetCurrentSlideAtViewShellBase(mpCurrentSlide);
307 0 : SetCurrentSlideAtXController(mpCurrentSlide);
308 : }
309 :
310 0 : return 1;
311 : }
312 :
313 : } } } // end of namespace ::sd::slidesorter::controller
314 :
315 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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