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
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
// -*- c++ -*-
/*
* Copyright (C) 2001-2004, Richard J. Moore <rich@kde.org>
*
* 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 KJSEMBEDFACTORY_H
#define KJSEMBEDFACTORY_H
#include "global.h"
#include <tqmap.h>
#include <tqdict.h>
#include <tqstringlist.h>
#include <kjs/interpreter.h>
#include <kjs/object.h>
class TQEvent;
class TQObject;
class TQWidget;
class TQTextStream;
namespace KParts {
class ReadOnlyPart;
class ReadWritePart;
}
/**
* Namespace containing the KJSEmbed library.
*/
namespace KJSEmbed {
namespace Bindings {
class JSFactoryImp;
class JSBindingPlugin;
class JSBindingBase;
}
class KJSEmbedPart;
class JSEventMapper;
class JSOpaqueProxy;
class JSObjectProxy;
/**
* Factory class for KJSEmbed.
*
* @author Richard Moore, rich@kde.org
*/
class KJSEMBED_EXPORT JSFactory
{
public:
/**
* The types of proxy that can be associated with a class name. These are
* used when decoding the return values of slots.
*/
enum ProxyTypes {
TypeInvalid=0,
TypeTQObject=1,
TypeValue=2,
TypeOpaque=4,
TypePlugin=8,
TypeTQObjectPlugin=9 /*TypeObject|TypePlugin*/
};
/** Creates a factory object for the specified part. */
JSFactory( KJSEmbedPart *part );
/** Cleans up. */
virtual ~JSFactory();
/**
* Returns the mapper that translates between event types and the names of
* the handler methods.
*/
JSEventMapper *eventMapper() const { return evmapper; }
/** Returns the part that the factory is attached to. */
KJSEmbedPart *part() const { return jspart; }
//
// Methods for creating objects and wrappers.
//
/** Creates an object of the specified class, then returns a proxy. */
KJS::Object create( KJS::ExecState *exec, const TQString &classname, const KJS::List &args );
/** Creates a proxy object for the specified target with the specified context. */
KJS::Object createProxy( KJS::ExecState *exec, TQObject *target,
const JSObjectProxy *context=0 ) const;
/** Creates a proxy object for the specified target with the specified context. */
KJS::Object createProxy( KJS::ExecState *exec, TQTextStream *target,
const JSObjectProxy *context=0 ) const;
/** Creates a proxy object for the specified target with the specified context. */
KJS::Object createProxy( KJS::ExecState *exec, TQEvent *target,
const JSObjectProxy *context ) const;
/**
* Registers an opaque proxy factory with the with the factory.
* To add an opaque type to the system you need to provide a factory based off of @ref KJSEmbed::Bindings::JSBindingBase
*/
void registerOpaqueType( const TQString &className, KJSEmbed::Bindings::JSBindingBase *bindingFactory);
/**
* Remove an opaque type from the system.
*/
void unregisterOpaqueType( const TQString &className );
/**
* When passed an object for a type handled by an Opaque proxy this method
* will add the bindings for that opaque object to the proxy. If the object
* is not supported it is unmodified.
*/
void extendOpaqueProxy( KJS::ExecState *exec, KJS::Object &proxy) const;
/**
* Registers a TQObject proxy factory with the with the factory.
* To add an opaque type to the system you need to provide a factory based off of @ref KJSEmbed::Bindings::JSBindingBase
*/
void registerObjectType( const TQString &className, KJSEmbed::Bindings::JSBindingBase *bindingFactory);
/**
* Remove an opaque type from the system.
*/
void unregisterObjectType( const TQString &className );
/**
* When passed an object for a type handled by an Opaque proxy this method
* will add the bindings for that opaque object to the proxy. If the object
* is not supported it is unmodified.
*/
void extendObjectProxy( KJS::ExecState *exec, KJS::Object &proxy) const;
//
// Methods for creating custom objects.
//
/**
* Creates a ReadOnlyPart that views the specified service type. The
* service type will often be a MIME type like 'text/html'. The part
* created is the first offer returned by the trader, and will have the
* specified parent and name.
*/
KParts::ReadOnlyPart *createROPart( const TQString &svc, TQObject *parent=0, const char *name=0 );
/**
* Creates a ReadOnlyPart that views the specified service type and matches
* the specified constraint.
*/
KParts::ReadOnlyPart *createROPart( const TQString &svc, const TQString &constraint,
TQObject *parent=0, const char *name=0 );
/**
* Creates a ReadOnlyPart that views the specified service type and matches
* the specified constraint.
*/
KParts::ReadOnlyPart *createROPart( const TQString &svc, const TQString &constraint,
TQObject *parent, const char *name,
const TQStringList &args );
/**
* Creates a ReadWritePart that edits the specified service type. The
* service type will often be a MIME type like 'text/plain'. The part
* created is the first offer returned by the trader, and will have the
* specified parent and name.
*/
KParts::ReadWritePart *createRWPart( const TQString &svc, TQObject *parent=0, const char *name=0 );
/**
* Creates a ReadWritePart that edits the specified service type and matches
* the specified constraint.
*/
KParts::ReadWritePart *createRWPart( const TQString &svc, const TQString &constraint,
TQObject *parent=0, const char *name=0 );
/**
* Creates a ReadWritePart that edits the specified service type and matches
* the specified constraint.
*/
KParts::ReadWritePart *createRWPart( const TQString &svc, const TQString &constraint,
TQObject *parent, const char *name,
const TQStringList &args );
/**
* Loads the widget defined in the specified .ui file. If the widget
* cannot be created then 0 is returned.
*/
TQWidget *loadUI( const TQString &uiFile, TQObject *connector=0, TQWidget *parent=0, const char *name=0 );
/**
* Queries KTrader for a plugin that provides the asked for object binding.
*If the binding was added the object is returned, otherwise a KJS::Null is.
*/
TQStringList listBindingPlugins( KJS::ExecState *exec, KJS::Object &self);
//
// Methods that tell the factory how to handle different classes.
//
/**
* Adds a binding plugin type to the list of available types the factory can create.
*/
void addBindingPluginTypes(KJS::ExecState *exec, KJS::Object &parent);
bool isBindingPlugin(const TQString &classname) const;
/**
* Creates the actual object from the binding plugin.
*/
KJS::Object createBindingPlugin(KJS::ExecState *exec, const TQString &classname, const KJS::List &args );
/**
* Returns true iff the factory knows the type of proxy to use for the
* class with the name specified.
*/
bool isSupported( const TQString &clazz ) const;
/**
* Returns true iff the class with the specified name is handled with the
* TQObject proxy type.
*/
bool isTQObject( const TQString &clazz ) const;
/**
* Returns true iff the class with the specified name is handled with the
* value proxy type.
*/
bool isValue( const TQString &clazz ) const;
/**
* Returns true iff the class with the specified name is handled with the
* opaque proxy type.
*/
bool isOpaque( const TQString &clazz ) const;
/**
* Returns the ProxyType of the class with the specified name. If the
* named class is not known to the interpreter then TypeInvalid is
* returned.
*/
uint proxyType( const TQString &clazz ) const;
/**
*Allows adding of an already loaded binding plugin for a certain class type
*
*/
void addTQObjectPlugin(const TQString &classname, KJSEmbed::Bindings::JSBindingPlugin* plugin);
void addBindingsPlugin(KJS::ExecState *exec, KJS::Object &target) const;
/**
* Tells the factory the specified type of proxy to use for the named
* class. Note that you can remove support for a type by using this method
* with TypeInvalid.
*/
void addType( const TQString &clazz, uint proxytype=JSFactory::TypeTQObject );
/** Adds the types defined by the factory to the specified parent. */
void addTypes( KJS::ExecState *exec, KJS::Object &parent );
TQStringList types() const;
protected:
/** Adds custom bindings to the specified proxy object. */
KJS::Object extendProxy( KJS::ExecState *exec, KJS::Object &target ) const;
/** Creates an instance of the named class and returns it in a JSValueProxy. */
KJS::Object createValue( KJS::ExecState *exec, const TQString &cname, const KJS::List &args );
/**
* Creates an instance of a TQObject subclass. If the instance cannot be
* created then 0 is returned.
*/
TQObject *create( const TQString &classname, TQObject *parent=0, const char *name=0 );
/** Creates an instance of the named class and returns it in a JSOpaqueProxy. */
KJS::Object createOpaque( KJS::ExecState *exec, const TQString &cname, const KJS::List &args );
/** Creates an instance of the named binding TQObject. */
TQObject *createBinding( const TQString &cname, TQObject *parent, const char *name );
/**
* Creates an instance of the named TQObject. This method is only used for
* non-widget objects.
*/
TQObject *createObject( const TQString &cname, TQObject *parent, const char *name );
/**
* Creates an instance of the named TQWidget. Note that this method is only
* used to create widgets that are not supported by TQWidgetFactory.
*/
TQWidget *createWidget( const TQString &cname, TQWidget *parent, const char *name );
private:
/** Adds the types defined by TQWidgetFactory to the specified parent. */
void addWidgetFactoryTypes( KJS::ExecState *exec, KJS::Object &parent );
/** Adds support for custom TQObject types to the specified parent. */
void addCustomTypes( KJS::ExecState *exec, KJS::Object &parent );
/** Adds support for TQObject binding types to the specified parent. */
void addBindingTypes( KJS::ExecState *exec, KJS::Object &parent );
/**
* Adds support for any TQObject types that are known about, but have no
* custom support (and no constructor).
*/
void addObjectTypes( KJS::ExecState *exec, KJS::Object &parent );
void addOpaqueTypes( KJS::ExecState *exec, KJS::Object &parent );
void addValueTypes( KJS::ExecState *exec, KJS::Object &parent );
private:
KJSEmbedPart *jspart;
JSEventMapper *evmapper;
TQMap<TQString,uint> objtypes;
class JSFactoryPrivate *d;
};
} // namespace KJSEmbed
#endif // KJSEMBEDFACTORY_H
// Local Variables:
// c-basic-offset: 4
// End:
|