1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
This file is part of KDE Kontact.
Copyright (c) 2003 David Faure <[email protected]>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KONTACT_UNIQUEAPPHANDLER_H
#define KONTACT_UNIQUEAPPHANDLER_H
#include <dcopobject.h>
#include <kontact/plugin.h>
#include <kdemacros.h>
namespace Kontact
{
/**
* DCOP Object that has the name of the standalone application (e.g. "kmail")
* and implements newInstance() so that running the separate application does
* the right thing when kontact is running.
* By default this means simply bringing the main window to the front,
* but newInstance can be reimplemented.
*/
class KDE_EXPORT UniqueAppHandler : public DCOPObject
{
K_DCOP
public:
UniqueAppHandler( Plugin* plugin ) : DCOPObject( plugin->name() ), mPlugin( plugin ) {}
/// This must be reimplemented so that app-specific command line options can be parsed
virtual void loadCommandLineOptions() = 0;
/// We can't use k_dcop and dcopidl here, because the data passed
/// to newInstance can't be expressed in terms of normal data types.
virtual int newInstance();
Plugin* plugin() const { return mPlugin; }
private:
Plugin* mPlugin;
};
/// Base class for UniqueAppHandler
class UniqueAppHandlerFactoryBase
{
public:
virtual UniqueAppHandler* createHandler( Plugin* ) = 0;
};
/**
* Used by UniqueAppWatcher below, to create the above UniqueAppHandler object
* when necessary.
* The template argument is the UniqueAppHandler-derived class.
* This allows to remove the need to subclass UniqueAppWatcher.
*/
template <class T> class UniqueAppHandlerFactory : public UniqueAppHandlerFactoryBase
{
public:
virtual UniqueAppHandler* createHandler( Plugin* plugin ) {
(void)plugin->dcopClient(); // ensure that we take over the DCOP name
return new T( plugin );
}
};
/**
* If the standalone application is running by itself, we need to watch
* for when the user closes it, and activate the uniqueapphandler then.
* This prevents, on purpose, that the standalone app can be restarted.
* Kontact takes over from there.
*
*/
class KDE_EXPORT UniqueAppWatcher : public TQObject
{
Q_OBJECT
public:
/**
* Create an instance of UniqueAppWatcher, which does everything necessary
* for the "unique application" behavior: create the UniqueAppHandler as soon
* as possible, i.e. either right now or when the standalone app is closed.
*
* @param factory templatized factory to create the handler. Example:
* ... Note that the watcher takes ownership of the factory.
* @param plugin is the plugin application
*/
UniqueAppWatcher( UniqueAppHandlerFactoryBase* factory, Plugin* plugin );
virtual ~UniqueAppWatcher();
bool isRunningStandalone() const { return mRunningStandalone; }
protected slots:
void unregisteredFromDCOP( const TQCString& appId );
private:
bool mRunningStandalone;
UniqueAppHandlerFactoryBase* mFactory;
Plugin* mPlugin;
};
} // namespace
#endif /* KONTACT_UNIQUEAPPHANDLER_H */
|
