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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_SVTOOLS_ACCELERATOREXECUTE_HXX
21 : #define INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX
22 :
23 : #include <svtools/svtdllapi.h>
24 :
25 : #include <vector>
26 :
27 : #include <com/sun/star/uno/XComponentContext.hpp>
28 : #include <com/sun/star/frame/XFrame.hpp>
29 : #include <com/sun/star/frame/XDispatchProvider.hpp>
30 : #include <com/sun/star/ui/XAcceleratorConfiguration.hpp>
31 : #include <com/sun/star/util/XURLTransformer.hpp>
32 : #include <com/sun/star/util/URL.hpp>
33 : #include <com/sun/star/awt/KeyEvent.hpp>
34 : #include <vcl/keycod.hxx>
35 : #include <vcl/evntpost.hxx>
36 : #include <osl/mutex.h>
37 :
38 :
39 : namespace svt
40 : {
41 :
42 :
43 18 : struct TMutexInit
44 : {
45 : ::osl::Mutex m_aLock;
46 : };
47 :
48 :
49 : /**
50 : @descr implements a helper, which can be used to
51 : convert vcl key codes into awt key codes ...
52 : and reverse.
53 :
54 : Further such key code can be triggered.
55 : Doing so different accelerator
56 : configurations are merged together; a suitable
57 : command registered for the given key code is searched
58 : and will be dispatched.
59 :
60 : @attention
61 :
62 : Because exceution of an accelerator command can be dangerous
63 : (in case it force an office shutdown for key "ALT+F4"!)
64 : all internal dispatches are done asynchronous.
65 : Menas that the trigger call doesn't wait till the dispatch
66 : is finished. You can call very often. All requests will be
67 : queued internal and dispatched ASAP.
68 :
69 : Of course this queue will be stopped if the environment
70 : will be destructed ...
71 : */
72 : class SVT_DLLPUBLIC AcceleratorExecute : private TMutexInit
73 : {
74 :
75 : // const, types
76 : private:
77 :
78 : /** @deprecated
79 : replaced by internal class AsyncAccelExec ...
80 : remove this resource here if we go forwards to next major */
81 : typedef ::std::vector< ::std::pair< css::util::URL, css::uno::Reference< css::frame::XDispatch > > > TCommandQueue;
82 :
83 :
84 : // member
85 : private:
86 :
87 : /** TODO document me */
88 : css::uno::Reference< css::uno::XComponentContext > m_xContext;
89 :
90 : /** TODO document me */
91 : css::uno::Reference< css::util::XURLTransformer > m_xURLParser;
92 :
93 : /** TODO document me */
94 : css::uno::Reference< css::frame::XDispatchProvider > m_xDispatcher;
95 :
96 : /** TODO document me */
97 : css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xGlobalCfg;
98 : css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xModuleCfg;
99 : css::uno::Reference< css::ui::XAcceleratorConfiguration > m_xDocCfg;
100 :
101 : /** @deprecated
102 : replaced by internal class AsyncAccelExec ...
103 : remove this resource here if we go forwards to next major */
104 : TCommandQueue m_lCommandQueue;
105 :
106 : /** @deprecated
107 : replaced by internal class AsyncAccelExec ...
108 : remove this resource here if we go forwards to next major */
109 : vcl::EventPoster m_aAsyncCallback;
110 :
111 :
112 : // interface
113 : public:
114 :
115 :
116 : /** @short factory method to create new accelerator
117 : helper instance.
118 :
119 : @descr Such helper instance must be initialized at first.
120 : So it can know its environment (global/module or
121 : document specific).
122 :
123 : Afterwards it can be used to execute incoming
124 : accelerator requests.
125 :
126 : The "end of life" of such helper can be reached as follow:
127 :
128 : - delete the object
129 : => If it stands currently in its execute method, they will
130 : be finished. All further queued requests will be removed
131 : and further not executed!
132 :
133 : - "let it stay alone"
134 : => All currently queued events will be finished. The
135 : helper kills itself afterwards. A shutdown of the
136 : environment will be recognized ... The helper stop its
137 : work immediately then!
138 : */
139 : static AcceleratorExecute* createAcceleratorHelper();
140 :
141 :
142 : /** @short fight against inlining ... */
143 : virtual ~AcceleratorExecute();
144 :
145 :
146 : /** @short init this instance.
147 :
148 : @descr It must be called as first method after creation.
149 : And further it can be called more than once ...
150 : but at least its should be used one times only.
151 : Otherwise nobody can say, which asynchronous
152 : executions will be used inside the old and which one
153 : will be used inside the new environment.
154 :
155 : @param rxContext
156 : reference to an uno service manager.
157 :
158 : @param xEnv
159 : if it points to a valid frame it will be used
160 : to execute the dispatch there. Further the frame
161 : is used to locate the right module configuration
162 : and use it merged together with the document and
163 : the global configuration.
164 :
165 : If this parameter is set to NULL, the global configuration
166 : is used only. Further the global Desktop instance is
167 : used for dispatch.
168 : */
169 : void init(const css::uno::Reference< css::uno::XComponentContext >& rxContext,
170 : const css::uno::Reference< css::frame::XFrame >& xEnv );
171 :
172 :
173 : /** @short trigger this accelerator.
174 :
175 : @descr The internal configuartions are used to find
176 : as suitable command for this key code.
177 : This command will be queued and executed later
178 : asynchronous.
179 :
180 : @param aKey
181 : specify the accelerator for execute.
182 :
183 : @return [bool]
184 : true if this key is configured and match to a command.
185 : Attention: This state does not mean the success state
186 : of the corresponding execute. Because its done asynchronous!
187 : */
188 : bool execute(const vcl::KeyCode& aKey);
189 : bool execute(const css::awt::KeyEvent& aKey);
190 :
191 : /** search the command for the given key event.
192 : *
193 : * @param aKey The key event
194 : * @return The command or an empty string if the key event could not be found.
195 : */
196 : OUString findCommand(const ::com::sun::star::awt::KeyEvent& aKey);
197 :
198 : /** TODO document me */
199 : static css::awt::KeyEvent st_VCLKey2AWTKey(const vcl::KeyCode& aKey);
200 : static vcl::KeyCode st_AWTKey2VCLKey(const css::awt::KeyEvent& aKey);
201 :
202 :
203 : /** TODO document me */
204 : static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openGlobalConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext);
205 :
206 :
207 : /** TODO document me */
208 : static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openModuleConfig(const css::uno::Reference< css::uno::XComponentContext >& rxContext ,
209 : const css::uno::Reference< css::frame::XFrame >& xFrame);
210 :
211 :
212 : /** TODO document me */
213 : static css::uno::Reference< css::ui::XAcceleratorConfiguration > st_openDocConfig(const css::uno::Reference< css::frame::XModel >& xModel);
214 :
215 :
216 : // internal
217 : private:
218 :
219 :
220 : /** @short allow creation of instances of this class
221 : by using our factory only!
222 : */
223 : SVT_DLLPRIVATE AcceleratorExecute();
224 :
225 : AcceleratorExecute(const AcceleratorExecute& rCopy) SAL_DELETED_FUNCTION;
226 : void operator=(const AcceleratorExecute&) SAL_DELETED_FUNCTION;
227 :
228 : /** TODO document me */
229 : SVT_DLLPRIVATE OUString impl_ts_findCommand(const css::awt::KeyEvent& aKey);
230 :
231 :
232 : /** TODO document me */
233 : SVT_DLLPRIVATE css::uno::Reference< css::util::XURLTransformer > impl_ts_getURLParser();
234 :
235 :
236 : /** @deprecated
237 : replaced by internal class AsyncAccelExec ...
238 : remove this resource here if we go forwards to next major */
239 : DECL_DLLPRIVATE_LINK(impl_ts_asyncCallback, void*);
240 : };
241 :
242 : } // namespace svt
243 :
244 : #endif // INCLUDED_SVTOOLS_ACCELERATOREXECUTE_HXX
245 :
246 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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