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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 : #ifndef INCLUDED_FRAMEWORK_INC_HELPER_STATUSINDICATORFACTORY_HXX
21 : #define INCLUDED_FRAMEWORK_INC_HELPER_STATUSINDICATORFACTORY_HXX
22 :
23 : // Attention: stl headers must(!) be included at first. Otherwise it can make trouble
24 : // with solaris headers ...
25 : #include <vector>
26 :
27 : // include files of own module
28 : #include <helper/wakeupthread.hxx>
29 : #include <macros/xinterface.hxx>
30 : #include <macros/xtypeprovider.hxx>
31 : #include <macros/xserviceinfo.hxx>
32 : #include <macros/generic.hxx>
33 : #include <general.h>
34 :
35 : // include uno interfaces
36 : #include <com/sun/star/lang/XTypeProvider.hpp>
37 : #include <com/sun/star/lang/XServiceInfo.hpp>
38 : #include <com/sun/star/lang/XInitialization.hpp>
39 : #include <com/sun/star/lang/XEventListener.hpp>
40 : #include <com/sun/star/task/XStatusIndicatorFactory.hpp>
41 : #include <com/sun/star/task/XStatusIndicator.hpp>
42 : #include <com/sun/star/awt/XWindow.hpp>
43 : #include <com/sun/star/awt/XWindowListener.hpp>
44 : #include <com/sun/star/lang/EventObject.hpp>
45 : #include <com/sun/star/awt/WindowEvent.hpp>
46 : #include <com/sun/star/lang/XMultiServiceFactory.hpp>
47 : #include <com/sun/star/frame/XFrame.hpp>
48 : #include <com/sun/star/util/XUpdatable.hpp>
49 :
50 : #include <cppuhelper/supportsservice.hxx>
51 : #include <vcl/status.hxx>
52 : #include <cppuhelper/implbase4.hxx>
53 : #include <osl/thread.hxx>
54 :
55 : namespace framework{
56 :
57 : /**
58 : @descr This struct hold some information about all currently running progress proccesses.
59 : Because the can be used on a stack, we must cache her states but must paint only
60 : the top most one.
61 : */
62 0 : struct IndicatorInfo
63 : {
64 :
65 : // member
66 : public:
67 :
68 : /** @short points to the indicator child, where we hold its states
69 : alive here. */
70 : css::uno::Reference< css::task::XStatusIndicator > m_xIndicator;
71 :
72 : /** @short the last set text for this indicator */
73 : OUString m_sText;
74 :
75 : /** @short the max range for this indicator. */
76 : sal_Int32 m_nRange;
77 :
78 : /** @short the last set value for this indicator */
79 : sal_Int32 m_nValue;
80 :
81 : // interface
82 : public:
83 :
84 : /** @short initialize new instance of this class
85 :
86 : @param xIndicator
87 : the new child indiactor of our factory.
88 :
89 : @param sText
90 : its initial text.
91 :
92 : @param nRange
93 : the max range for this indicator.
94 : */
95 0 : IndicatorInfo(const css::uno::Reference< css::task::XStatusIndicator >& xIndicator,
96 : const OUString& sText ,
97 : sal_Int32 nRange )
98 0 : {
99 0 : m_xIndicator = xIndicator;
100 0 : m_sText = sText;
101 0 : m_nRange = nRange;
102 0 : m_nValue = 0;
103 0 : }
104 :
105 : /** @short Don't forget to free used references!
106 : */
107 0 : ~IndicatorInfo()
108 0 : {
109 0 : m_xIndicator.clear();
110 0 : }
111 :
112 : /** @short Used to locate an info struct inside a stl structure ...
113 :
114 : @descr The indicator object itself is used as key. Its values
115 : are not interesting then. Because mor then one child
116 : indicator can use the same values ...
117 : */
118 0 : bool operator==(const css::uno::Reference< css::task::XStatusIndicator >& xIndicator)
119 : {
120 0 : return (m_xIndicator == xIndicator);
121 : }
122 : };
123 :
124 : /** @descr Define a lits of child indicator objects and her data. */
125 : typedef ::std::vector< IndicatorInfo > IndicatorStack;
126 :
127 : /** @short implement a factory service to create new status indicator objects
128 :
129 : @descr Internally it uses:
130 : - a vcl based
131 : - or an uno based and by the frame layouted
132 : progress implementation.
133 :
134 : This factory create different indicators and control his access
135 : to a shared output device! Only the last activated component
136 : can write his state to this device. All other requests will be
137 : cached only.
138 :
139 : @devstatus ready to use
140 : @threadsafe yes
141 : */
142 : class StatusIndicatorFactory : public ::cppu::WeakImplHelper4<
143 : css::lang::XServiceInfo
144 : , css::lang::XInitialization
145 : , css::task::XStatusIndicatorFactory
146 : , css::util::XUpdatable >
147 : {
148 :
149 : // member
150 : private:
151 : osl::Mutex m_mutex;
152 :
153 : /** stack with all current indicator children. */
154 : IndicatorStack m_aStack;
155 :
156 : /** uno service manager to create own needed uno resources. */
157 : css::uno::Reference< css::uno::XComponentContext > m_xContext;
158 :
159 : /** most active indicator child, which could work with our shared indicator window only. */
160 : css::uno::Reference< css::task::XStatusIndicator > m_xActiveChild;
161 :
162 : /** used to show the progress on the frame (layouted!) or
163 : as a plugged vcl window. */
164 : css::uno::Reference< css::task::XStatusIndicator > m_xProgress;
165 :
166 : /** points to the frame, where we show the progress (in case
167 : m_xProgress points to a frame progress. */
168 : css::uno::WeakReference< css::frame::XFrame > m_xFrame;
169 :
170 : /** points to an outside window, where we show the progress (in case
171 : we are plugged into such window). */
172 : css::uno::WeakReference< css::awt::XWindow > m_xPluggWindow;
173 :
174 : /** Notify us if a fix time is over. We use it to implement an
175 : intelligent "Reschedule" ... */
176 : WakeUpThread* m_pWakeUp;
177 :
178 : /** Our WakeUpThread calls us in our interface method "XUpdatable::update().
179 : There we set this member m_bAllowReschedule to sal_True. Next time if our impl_reschedule()
180 : method is called, we know, that an Application::Reschedule() should be made.
181 : Because the last made Reschedule can be was taken long time ago ... may be.*/
182 : bool m_bAllowReschedule;
183 :
184 : /** enable/disable automatic showing of our parent window. */
185 : bool m_bAllowParentShow;
186 :
187 : /** enable/disable rescheduling. Default=enabled*/
188 : bool m_bDisableReschedule;
189 :
190 : /** prevent recursive calling of Application::Reschedule(). */
191 : static sal_Int32 m_nInReschedule;
192 :
193 : // interface
194 :
195 : public:
196 : StatusIndicatorFactory(const css::uno::Reference< css::uno::XComponentContext >& xContext);
197 :
198 0 : virtual OUString SAL_CALL getImplementationName()
199 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
200 : {
201 0 : return OUString("com.sun.star.comp.framework.StatusIndicatorFactory");
202 : }
203 :
204 0 : virtual sal_Bool SAL_CALL supportsService(OUString const & ServiceName)
205 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
206 : {
207 0 : return cppu::supportsService(this, ServiceName);
208 : }
209 :
210 0 : virtual css::uno::Sequence<OUString> SAL_CALL getSupportedServiceNames()
211 : throw (css::uno::RuntimeException, std::exception) SAL_OVERRIDE
212 : {
213 0 : css::uno::Sequence< OUString > aSeq(1);
214 0 : aSeq[0] = OUString("com.sun.star.task.StatusIndicatorFactory");
215 0 : return aSeq;
216 : }
217 :
218 : // XInitialization
219 : virtual void SAL_CALL initialize(const css::uno::Sequence< css::uno::Any >& lArguments)
220 : throw(css::uno::Exception ,
221 : css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
222 :
223 : // XStatusIndicatorFactory
224 : virtual css::uno::Reference< css::task::XStatusIndicator > SAL_CALL createStatusIndicator()
225 : throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
226 :
227 : // XUpdatable
228 : virtual void SAL_CALL update()
229 : throw(css::uno::RuntimeException, std::exception) SAL_OVERRIDE;
230 :
231 : // similar (XStatusIndicator)
232 : virtual void start(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
233 : const OUString& sText ,
234 : sal_Int32 nRange);
235 :
236 : virtual void SAL_CALL reset(const css::uno::Reference< css::task::XStatusIndicator >& xChild);
237 :
238 : virtual void SAL_CALL end(const css::uno::Reference< css::task::XStatusIndicator >& xChild);
239 :
240 : virtual void SAL_CALL setText(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
241 : const OUString& sText );
242 :
243 : virtual void SAL_CALL setValue(const css::uno::Reference< css::task::XStatusIndicator >& xChild,
244 : sal_Int32 nValue);
245 :
246 : // specials
247 :
248 : protected:
249 :
250 : virtual ~StatusIndicatorFactory();
251 :
252 : // helper
253 : private:
254 :
255 : /** @short show the parent window of this progress ...
256 : if it's allowed to do so.
257 :
258 : @descr By default we show the parent window automaticly
259 : if this progress is used.
260 : If that isn't a valid operation, the user of this
261 : progress can suppress this feature by initializaing
262 : us with a special parameter.
263 :
264 : @seealso initialize()
265 : */
266 : void implts_makeParentVisibleIfAllowed();
267 :
268 : /** @short creates a new internal used progress.
269 : @descr This factory does not paint the progress itself.
270 : It uses helper for that. They can be vcl based or
271 : layouted by the frame and provided as an uno interface.
272 : */
273 : void impl_createProgress();
274 :
275 : /** @short shows the internal used progress.
276 : @descr This factory does not paint the progress itself.
277 : It uses helper for that. They can be vcl based or
278 : layouted by the frame and provided as an uno interface.
279 : */
280 : void impl_showProgress();
281 :
282 : /** @short hides the internal used progress.
283 : @descr This factory does not paint the progress itself.
284 : It uses helper for that. They can be vcl based or
285 : layouted by the frame and provided as an uno interface.
286 : */
287 : void impl_hideProgress();
288 :
289 : /** @short try to "share the current thread in an intelligent manner" :-)
290 :
291 : @param Overwrites our algorithm for Reschedule and force it to be shure
292 : that our progress was painted right.
293 : */
294 : void impl_reschedule(bool bForceUpdate);
295 :
296 : void impl_startWakeUpThread();
297 : void impl_stopWakeUpThread();
298 :
299 : }; // class StatusIndicatorFactory
300 :
301 : } // namespace framework
302 :
303 : #endif // INCLUDED_FRAMEWORK_INC_HELPER_STATUSINDICATORFACTORY_HXX
304 :
305 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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