summaryrefslogtreecommitdiffstats
path: root/nsplugins/viewer/nsplugin.h
blob: ead4a07e3d52bbb077e10f8e039b58ccc4453536 (plain)
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
343
344
/*

  This is an encapsulation of the  Netscape plugin API.

  Copyright (c) 2000 Matthias Hoelzer-Kluepfel <hoelzer@kde.org>
                     Stefan Schimanski <1Stein@gmx.de>
  Copyright (c) 2003-2005 George Staikos <staikos@kde.org>

  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program 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 General Public License for more details.

  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

*/


#ifndef __NS_PLUGIN_H__
#define __NS_PLUGIN_H__


#include <dcopobject.h>
#include "NSPluginClassIface.h"
#include "NSPluginCallbackIface_stub.h"


#include <tqobject.h>
#include <tqstring.h>
#include <tqstringlist.h>
#include <tqptrqueue.h>
#include <tqdict.h>
#include <tqmap.h>
#include <tqintdict.h>
#include <tqguardedptr.h>

#include <tdeparts/browserextension.h>  // for URLArgs
#include <tdeio/job.h>


#define XP_UNIX
#define MOZ_X11
#include "sdk/npupp.h"

typedef char* NP_GetMIMEDescriptionUPP(void);
typedef NPError NP_InitializeUPP(NPNetscapeFuncs*, NPPluginFuncs*);
typedef NPError NP_ShutdownUPP(void);


#include <X11/Intrinsic.h>


void quitXt();

class KLibrary;
class TQTimer;


class NSPluginStreamBase : public TQObject
{
TQ_OBJECT
friend class NSPluginInstance;
public:
  NSPluginStreamBase( class NSPluginInstance *instance );
  ~NSPluginStreamBase();

  KURL url() { return _url; }
  int pos() { return _pos; }
  void stop();

signals:
  void finished( NSPluginStreamBase *strm );

protected:
  void finish( bool err );
  bool pump();
  bool error() { return _error; }
  void queue( const TQByteArray &data );
  bool create( const TQString& url, const TQString& mimeType, void *notify, bool forceNotify = false );
  int tries() { return _tries; }
  void inform( );
  void updateURL( const KURL& newURL );

  class NSPluginInstance *_instance;
  uint16 _streamType;
  NPStream *_stream;
  void *_notifyData;
  KURL _url;
  TQString _fileURL;
  TQString _mimeType;
  TQByteArray _headers;
  TQByteArray _data;
  class KTempFile *_tempFile;

private:
  int process( const TQByteArray &data, int start );

  unsigned int _pos;
  TQByteArray _queue;
  unsigned int _queuePos;
  int _tries;
  bool _onlyAsFile;
  bool _error;
  bool _informed;
  bool _forceNotify;
};


class NSPluginStream : public NSPluginStreamBase
{
  TQ_OBJECT

public:
  NSPluginStream( class NSPluginInstance *instance );
  ~NSPluginStream();

  bool get(const TQString& url, const TQString& mimeType, void *notifyData, bool reload = false);
  bool post(const TQString& url, const TQByteArray& data, const TQString& mimeType, void *notifyData, const KParts::URLArgs& args);

protected slots:
  void data(TDEIO::Job *job, const TQByteArray &data);
  void totalSize(TDEIO::Job *job, TDEIO::filesize_t size);
  void mimetype(TDEIO::Job * job, const TQString &mimeType);
  void result(TDEIO::Job *job);
  void redirection(TDEIO::Job *job, const KURL& url);
  void resume();

protected:
  TQGuardedPtr<TDEIO::TransferJob> _job;
  TQTimer *_resumeTimer;
};


class NSPluginBufStream : public NSPluginStreamBase
{
  TQ_OBJECT

public:
  NSPluginBufStream( class NSPluginInstance *instance );
  ~NSPluginBufStream();

  bool get( const TQString& url, const TQString& mimeType, const TQByteArray &buf, void *notifyData, bool singleShot=false );

protected slots:
  void timer();

protected:
  TQTimer *_timer;
  bool _singleShot;
};


class NSPluginInstance : public TQObject, public virtual NSPluginInstanceIface
{
  TQ_OBJECT

public:

  // constructor, destructor
  NSPluginInstance( NPP privateData, NPPluginFuncs *pluginFuncs, KLibrary *handle,
		    int width, int height, TQString src, TQString mime,
                    TQString appId, TQString callbackId, bool embed, WId xembed,
		    TQObject *parent, const char* name=0 );
  ~NSPluginInstance();

  // DCOP functions
  void shutdown();
  int winId() { return _form != 0 ? XtWindow(_form) : 0; }
  int setWindow(TQ_INT8 remove=0);
  void resizePlugin(TQ_INT32 w, TQ_INT32 h);
  void javascriptResult(TQ_INT32 id, TQString result);
  void displayPlugin();
  void gotFocusIn();
  void gotFocusOut();

  // value handling
  NPError NPGetValue(NPPVariable variable, void *value);
  NPError NPSetValue(NPNVariable variable, void *value);

  // window handling
  NPError NPSetWindow(NPWindow *window);

  // stream functions
  NPError NPDestroyStream(NPStream *stream, NPReason reason);
  NPError NPNewStream(NPMIMEType type, NPStream *stream, NPBool seekable, uint16 *stype);
  void NPStreamAsFile(NPStream *stream, const char *fname);
  int32 NPWrite(NPStream *stream, int32 offset, int32 len, void *buf);
  int32 NPWriteReady(NPStream *stream);

  // URL functions
  void NPURLNotify(TQString url, NPReason reason, void *notifyData);

  // Event handling
  uint16 HandleEvent(void *event);

  // signal emitters
  void emitStatus( const TQString &message);
  void requestURL( const TQString &url, const TQString &mime,
		   const TQString &target, void *notify, bool forceNotify = false, bool reload = false );
  void postURL( const TQString &url, const TQByteArray& data, const TQString &mime,
             const TQString &target, void *notify, const KParts::URLArgs& args, bool forceNotify = false );

  TQString normalizedURL(const TQString& url) const;

public slots:
  void streamFinished( NSPluginStreamBase *strm );

private slots:
  void timer();

private:
  friend class NSPluginStreamBase;

  static void forwarder(Widget, XtPointer, XEvent *, Boolean*);

  void destroy();

  bool _destroyed;
  bool _visible;
  void addTempFile(KTempFile *tmpFile);
  TQPtrList<KTempFile> _tempFiles;
  NSPluginCallbackIface_stub *_callback;
  TQPtrList<NSPluginStreamBase> _streams;
  KLibrary *_handle;
  TQTimer *_timer;

  NPP      _npp;
  NPPluginFuncs _pluginFuncs;

  Widget _area, _form, _toplevel;
  WId _xembed_window;
  TQString _baseURL;
  int _width, _height;

  struct Request
  {
      // A GET request
      Request( const TQString &_url, const TQString &_mime,
	       const TQString &_target, void *_notify, bool _forceNotify = false,
               bool _reload = false)
	  { url=_url; mime=_mime; target=_target; notify=_notify; post=false; forceNotify = _forceNotify; reload = _reload; }

      // A POST request
      Request( const TQString &_url, const TQByteArray& _data,
               const TQString &_mime, const TQString &_target, void *_notify,
               const KParts::URLArgs& _args, bool _forceNotify = false)
	  { url=_url; mime=_mime; target=_target;
            notify=_notify; post=true; data=_data; args=_args;
            forceNotify = _forceNotify; }

      TQString url;
      TQString mime;
      TQString target;
      TQByteArray data;
      bool post;
      bool forceNotify;
      bool reload;
      void *notify;
      KParts::URLArgs args;
  };

  NPWindow _win;
  NPSetWindowCallbackStruct _win_info;
  TQPtrQueue<Request> _waitingRequests;
  TQMap<int, Request*> _jsrequests;
};


class NSPluginClass : public TQObject, virtual public NSPluginClassIface
{
  TQ_OBJECT
public:

  NSPluginClass( const TQString &library, TQObject *parent, const char *name=0 );
  ~NSPluginClass();

  TQString getMIMEDescription();
  DCOPRef newInstance(TQString url, TQString mimeType, TQ_INT8 embed,
                      TQStringList argn, TQStringList argv,
                      TQString appId, TQString callbackId, TQ_INT8 reload, TQ_INT8 post,
                      TQByteArray postData, TQ_UINT32 xembed );
  void destroyInstance( NSPluginInstance* inst );
  bool error() { return _error; }

  void setApp(const TQCString& app) { _app = app; }
  const TQCString& app() const { return _app; }

protected slots:
  void timer();

private:
  int initialize();
  void shutdown();

  KLibrary *_handle;
  TQString  _libname;
  bool _constructed;
  bool _error;
  TQTimer *_timer;

  NP_GetMIMEDescriptionUPP *_NP_GetMIMEDescription;
  NP_InitializeUPP *_NP_Initialize;
  NP_ShutdownUPP *_NP_Shutdown;

  NPPluginFuncs _pluginFuncs;
  NPNetscapeFuncs _nsFuncs;

  TQPtrList<NSPluginInstance> _instances;
  TQPtrList<NSPluginInstance> _trash;

  TQCString _app;

  // If plugins use gtk, we call the gtk_init function for them ---
  // but only do it once.
  static bool s_initedGTK;
};


class NSPluginViewer : public TQObject, virtual public NSPluginViewerIface
{
    TQ_OBJECT
public:
   NSPluginViewer( TQCString dcopId, TQObject *parent, const char *name=0 );
   virtual ~NSPluginViewer();

   void shutdown();
   DCOPRef newClass( TQString plugin );

private slots:
   void appUnregistered(const TQCString& id);

private:
   TQDict<NSPluginClass> _classes;
};


#endif