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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 <svx/sdr/contact/objectcontact.hxx>
21 : #include <tools/debug.hxx>
22 : #include <svx/sdr/contact/viewobjectcontact.hxx>
23 : #include <svx/svdpage.hxx>
24 : #include <svx/sdr/contact/viewcontact.hxx>
25 : #include <basegfx/matrix/b2dhommatrix.hxx>
26 : #include <svx/sdr/animation/objectanimator.hxx>
27 :
28 : #include "eventhandler.hxx"
29 :
30 : using namespace com::sun::star;
31 :
32 : namespace sdr
33 : {
34 : namespace contact
35 : {
36 0 : ObjectContact::ObjectContact()
37 : : maViewObjectContactVector(),
38 : maPrimitiveAnimator(),
39 : mpEventHandler(0),
40 : mpViewObjectContactRedirector(0),
41 : maViewInformation2D(uno::Sequence< beans::PropertyValue >()),
42 0 : mbIsPreviewRenderer(false)
43 : {
44 0 : }
45 :
46 0 : ObjectContact::~ObjectContact()
47 : {
48 : // get rid of all registered contacts
49 : // #i84257# To avoid that each 'delete pCandidate' again uses
50 : // the local RemoveViewObjectContact with a search and removal in the
51 : // vector, simply copy and clear local vector.
52 0 : std::vector< ViewObjectContact* > aLocalVOCList(maViewObjectContactVector);
53 0 : maViewObjectContactVector.clear();
54 :
55 0 : while(!aLocalVOCList.empty())
56 : {
57 0 : ViewObjectContact* pCandidate = aLocalVOCList.back();
58 0 : aLocalVOCList.pop_back();
59 : DBG_ASSERT(pCandidate, "Corrupted ViewObjectContactList (!)");
60 :
61 : // ViewObjectContacts only make sense with View and Object contacts.
62 : // When the contact to the SdrObject is deleted like in this case,
63 : // all ViewObjectContacts can be deleted, too.
64 0 : delete pCandidate;
65 : }
66 :
67 : // assert when there were new entries added during deletion
68 : DBG_ASSERT(maViewObjectContactVector.empty(), "Corrupted ViewObjectContactList (!)");
69 :
70 : // delete the EventHandler. This will destroy all still contained events.
71 0 : DeleteEventHandler();
72 0 : }
73 :
74 : // LazyInvalidate request. Default implementation directly handles
75 : // this by calling back triggerLazyInvalidate() at the VOC
76 0 : void ObjectContact::setLazyInvalidate(ViewObjectContact& rVOC)
77 : {
78 0 : rVOC.triggerLazyInvalidate();
79 0 : }
80 :
81 : // call this to support evtl. preparations for repaint. Default does nothing
82 0 : void ObjectContact::PrepareProcessDisplay()
83 : {
84 0 : }
85 :
86 : // A new ViewObjectContact was created and shall be remembered.
87 0 : void ObjectContact::AddViewObjectContact(ViewObjectContact& rVOContact)
88 : {
89 0 : maViewObjectContactVector.push_back(&rVOContact);
90 0 : }
91 :
92 : // A ViewObjectContact was deleted and shall be forgotten.
93 0 : void ObjectContact::RemoveViewObjectContact(ViewObjectContact& rVOContact)
94 : {
95 0 : std::vector< ViewObjectContact* >::iterator aFindResult = std::find(maViewObjectContactVector.begin(), maViewObjectContactVector.end(), &rVOContact);
96 :
97 0 : if(aFindResult != maViewObjectContactVector.end())
98 : {
99 0 : maViewObjectContactVector.erase(aFindResult);
100 : }
101 0 : }
102 :
103 : // Process the whole displaying
104 0 : void ObjectContact::ProcessDisplay(DisplayInfo& /*rDisplayInfo*/)
105 : {
106 : // default does nothing
107 0 : }
108 :
109 : // test if visualizing of entered groups is switched on at all
110 0 : bool ObjectContact::DoVisualizeEnteredGroup() const
111 : {
112 : // Don not do that as default
113 0 : return false;
114 : }
115 :
116 : // get active group's (the entered group) ViewContact
117 0 : const ViewContact* ObjectContact::getActiveViewContact() const
118 : {
119 : // default has no active VC
120 0 : return 0;
121 : }
122 :
123 : // Invalidate given rectangle at the window/output which is represented by
124 : // this ObjectContact.
125 0 : void ObjectContact::InvalidatePartOfView(const basegfx::B2DRange& /*rRange*/) const
126 : {
127 : // nothing to do here in the default version
128 0 : }
129 :
130 : // Get info if given Rectangle is visible in this view
131 0 : bool ObjectContact::IsAreaVisible(const basegfx::B2DRange& /*rRange*/) const
132 : {
133 : // always visible in default version
134 0 : return true;
135 : }
136 :
137 : // Get info about the need to visualize GluePoints
138 0 : bool ObjectContact::AreGluePointsVisible() const
139 : {
140 0 : return false;
141 : }
142 :
143 : // method to create a EventHandler. Needs to give a result.
144 0 : sdr::event::TimerEventHandler* ObjectContact::CreateEventHandler()
145 : {
146 : // Create and return a new EventHandler
147 0 : return new sdr::event::TimerEventHandler();
148 : }
149 :
150 : // method to get the primitiveAnimator
151 0 : sdr::animation::primitiveAnimator& ObjectContact::getPrimitiveAnimator()
152 : {
153 0 : return maPrimitiveAnimator;
154 : }
155 :
156 : // method to get the EventHandler. It will
157 : // return a existing one or create a new one using CreateEventHandler().
158 0 : sdr::event::TimerEventHandler& ObjectContact::GetEventHandler() const
159 : {
160 0 : if(!HasEventHandler())
161 : {
162 0 : const_cast< ObjectContact* >(this)->mpEventHandler = const_cast< ObjectContact* >(this)->CreateEventHandler();
163 : DBG_ASSERT(mpEventHandler, "ObjectContact::GetEventHandler(): Got no EventHandler (!)");
164 : }
165 :
166 0 : return *mpEventHandler;
167 : }
168 :
169 : // delete the EventHandler
170 0 : void ObjectContact::DeleteEventHandler()
171 : {
172 0 : if(mpEventHandler)
173 : {
174 : // If there are still Events registered, something has went wrong
175 0 : delete mpEventHandler;
176 0 : mpEventHandler = 0L;
177 : }
178 0 : }
179 :
180 : // test if there is an EventHandler without creating one on demand
181 0 : bool ObjectContact::HasEventHandler() const
182 : {
183 0 : return (0L != mpEventHandler);
184 : }
185 :
186 : // check if text animation is allowed. Default is sal_true.
187 0 : bool ObjectContact::IsTextAnimationAllowed() const
188 : {
189 0 : return true;
190 : }
191 :
192 : // check if graphic animation is allowed. Default is sal_true.
193 0 : bool ObjectContact::IsGraphicAnimationAllowed() const
194 : {
195 0 : return true;
196 : }
197 :
198 : // check if asynchronious graphis loading is allowed. Default is false.
199 0 : bool ObjectContact::IsAsynchronGraphicsLoadingAllowed() const
200 : {
201 0 : return false;
202 : }
203 :
204 : // access to ViewObjectContactRedirector
205 0 : ViewObjectContactRedirector* ObjectContact::GetViewObjectContactRedirector() const
206 : {
207 0 : return mpViewObjectContactRedirector;
208 : }
209 :
210 0 : void ObjectContact::SetViewObjectContactRedirector(ViewObjectContactRedirector* pNew)
211 : {
212 0 : if(mpViewObjectContactRedirector != pNew)
213 : {
214 0 : mpViewObjectContactRedirector = pNew;
215 : }
216 0 : }
217 :
218 : // check if buffering of MasterPages is allowed. Default is false.
219 0 : bool ObjectContact::IsMasterPageBufferingAllowed() const
220 : {
221 0 : return false;
222 : }
223 :
224 : // print? Default is false
225 0 : bool ObjectContact::isOutputToPrinter() const
226 : {
227 0 : return false;
228 : }
229 :
230 : // window? Default is true
231 0 : bool ObjectContact::isOutputToWindow() const
232 : {
233 0 : return true;
234 : }
235 :
236 : // VirtualDevice? Default is false
237 0 : bool ObjectContact::isOutputToVirtualDevice() const
238 : {
239 0 : return false;
240 : }
241 :
242 : // recording MetaFile? Default is false
243 0 : bool ObjectContact::isOutputToRecordingMetaFile() const
244 : {
245 0 : return false;
246 : }
247 :
248 : // pdf export? Default is false
249 0 : bool ObjectContact::isOutputToPDFFile() const
250 : {
251 0 : return false;
252 : }
253 :
254 : // gray display mode
255 0 : bool ObjectContact::isDrawModeGray() const
256 : {
257 0 : return false;
258 : }
259 :
260 : // gray display mode
261 0 : bool ObjectContact::isDrawModeBlackWhite() const
262 : {
263 0 : return false;
264 : }
265 :
266 : // high contrast display mode
267 0 : bool ObjectContact::isDrawModeHighContrast() const
268 : {
269 0 : return false;
270 : }
271 :
272 : // access to SdrPageView. Default implementation returns NULL
273 0 : SdrPageView* ObjectContact::TryToGetSdrPageView() const
274 : {
275 0 : return 0;
276 : }
277 :
278 : // access to OutputDevice. Default implementation returns NULL
279 0 : OutputDevice* ObjectContact::TryToGetOutputDevice() const
280 : {
281 0 : return 0;
282 : }
283 :
284 0 : void ObjectContact::resetViewPort()
285 : {
286 0 : const drawinglayer::geometry::ViewInformation2D& rCurrentVI2D = getViewInformation2D();
287 :
288 0 : if(!rCurrentVI2D.getViewport().isEmpty())
289 : {
290 0 : const basegfx::B2DRange aEmptyRange;
291 :
292 : drawinglayer::geometry::ViewInformation2D aNewVI2D(
293 0 : rCurrentVI2D.getObjectTransformation(),
294 0 : rCurrentVI2D.getViewTransformation(),
295 : aEmptyRange,
296 0 : rCurrentVI2D.getVisualizedPage(),
297 : rCurrentVI2D.getViewTime(),
298 0 : rCurrentVI2D.getExtendedInformationSequence());
299 :
300 0 : updateViewInformation2D(aNewVI2D);
301 : }
302 0 : }
303 :
304 : } // end of namespace contact
305 : } // end of namespace sdr
306 :
307 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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