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
|
/*
This file is part of the kcal library.
Copyright (c) 2010 Klar�lvdalens Datakonsult AB, a KDAB Group company <info@kdab.net>
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.
*/
/**
@file
This file is part of the API for handling calendar data and provides
static functions for dealing with calendar incidence attachments.
@brief
vCalendar/iCalendar attachment handling.
@author Allen Winter \<winter@kde.org\>
*/
#include "attachmenthandler.h"
#include "attachment.h"
#include "calendarresources.h"
#include "incidence.h"
#include "scheduler.h"
#include <kapplication.h>
#include <kfiledialog.h>
#include <klocale.h>
#include <kmessagebox.h>
#include <kmimetype.h>
#include <krun.h>
#include <ktempfile.h>
#include <kio/netaccess.h>
#include <tqfile.h>
namespace KCal {
Attachment *AttachmentHandler::find( TQWidget *parent, const TQString &attachmentName,
Incidence *incidence )
{
if ( !incidence ) {
return 0;
}
// get the attachment by name from the incidence
Attachment::List as = incidence->attachments();
Attachment *a = 0;
if ( as.count() > 0 ) {
Attachment::List::ConstIterator it;
for ( it = as.begin(); it != as.end(); ++it ) {
if ( (*it)->label() == attachmentName ) {
a = *it;
break;
}
}
}
if ( !a ) {
KMessageBox::error(
parent,
i18n( "No attachment named \"%1\" found in the incidence." ).arg( attachmentName ) );
return 0;
}
if ( a->isUri() ) {
if ( !KIO::NetAccess::exists( a->uri(), true, parent ) ) {
KMessageBox::sorry(
parent,
i18n( "The attachment \"%1\" is a web link that is inaccessible from this computer. " ).
arg( KURL::decode_string( a->uri() ) ) );
return 0;
}
}
return a;
}
Attachment *AttachmentHandler::find( TQWidget *parent,
const TQString &attachmentName, const TQString &uid )
{
if ( uid.isEmpty() ) {
return 0;
}
CalendarResources *cal = new CalendarResources( "UTC" );
cal->readConfig();
cal->load();
Incidence *incidence = cal->incidence( uid );
if ( !incidence ) {
KMessageBox::error(
parent,
i18n( "The incidence that owns the attachment named \"%1\" could not be found. "
"Perhaps it was removed from your calendar?" ).arg( attachmentName ) );
return 0;
}
return find( parent, attachmentName, incidence );
}
Attachment *AttachmentHandler::find( TQWidget *parent, const TQString &attachmentName,
ScheduleMessage *message )
{
if ( !message ) {
return 0;
}
Incidence *incidence = dynamic_cast<Incidence*>( message->event() );
if ( !incidence ) {
KMessageBox::error(
parent,
i18n( "The calendar invitation stored in this email message is broken in some way. "
"Unable to continue." ) );
return 0;
}
return find( parent, attachmentName, incidence );
}
static KTempFile *s_tempFile = 0;
static KURL tempFileForAttachment( Attachment *attachment )
{
KURL url;
TQStringList patterns = KMimeType::mimeType( attachment->mimeType() )->patterns();
if ( !patterns.empty() ) {
s_tempFile = new KTempFile( TQString(),
TQString( patterns.first() ).remove( '*' ), 0600 );
} else {
s_tempFile = new KTempFile( TQString(), TQString(), 0600 );
}
TQFile *qfile = s_tempFile->file();
qfile->open( IO_WriteOnly );
TQTextStream stream( qfile );
stream.writeRawBytes( attachment->decodedData().data(), attachment->size() );
s_tempFile->close();
TQFile tf( s_tempFile->name() );
if ( tf.size() != attachment->size() ) {
//whoops. failed to write the entire attachment. return an invalid URL.
delete s_tempFile;
s_tempFile = 0;
return url;
}
url.setPath( s_tempFile->name() );
return url;
}
bool AttachmentHandler::view( TQWidget *parent, Attachment *attachment )
{
if ( !attachment ) {
return false;
}
bool stat = true;
if ( attachment->isUri() ) {
kapp->invokeBrowser( attachment->uri() );
} else {
// put the attachment in a temporary file and launch it
KURL tempUrl = tempFileForAttachment( attachment );
if ( tempUrl.isValid() ) {
stat = KRun::runURL( tempUrl, attachment->mimeType(), false, true );
} else {
stat = false;
KMessageBox::error(
parent,
i18n( "Unable to create a temporary file for the attachment." ) );
}
delete s_tempFile;
s_tempFile = 0;
}
return stat;
}
bool AttachmentHandler::view( TQWidget *parent, const TQString &attachmentName, Incidence *incidence )
{
return view( parent, find( parent, attachmentName, incidence ) );
}
bool AttachmentHandler::view( TQWidget *parent, const TQString &attachmentName, const TQString &uid )
{
return view( parent, find( parent, attachmentName, uid ) );
}
bool AttachmentHandler::view( TQWidget *parent, const TQString &attachmentName,
ScheduleMessage *message )
{
return view( parent, find( parent, attachmentName, message ) );
}
bool AttachmentHandler::saveAs( TQWidget *parent, Attachment *attachment )
{
// get the saveas file name
TQString saveAsFile = KFileDialog::getSaveFileName( attachment->label(), TQString(), parent,
i18n( "Save Attachment" ) );
if ( saveAsFile.isEmpty() ||
( TQFile( saveAsFile ).exists() &&
( KMessageBox::warningYesNo(
parent,
i18n( "%1 already exists. Do you want to overwrite it?").
arg( saveAsFile ) ) == KMessageBox::No ) ) ) {
return false;
}
bool stat = false;
if ( attachment->isUri() ) {
// save the attachment url
stat = KIO::NetAccess::file_copy( attachment->uri(), KURL( saveAsFile ), -1, true );
} else {
// put the attachment in a temporary file and save it
KURL tempUrl = tempFileForAttachment( attachment );
if ( tempUrl.isValid() ) {
stat = KIO::NetAccess::file_copy( tempUrl, KURL( saveAsFile ), -1, true );
if ( !stat && KIO::NetAccess::lastError() ) {
KMessageBox::error( parent, KIO::NetAccess::lastErrorString() );
}
} else {
stat = false;
KMessageBox::error(
parent,
i18n( "Unable to create a temporary file for the attachment." ) );
}
delete s_tempFile;
s_tempFile = 0;
}
return stat;
}
bool AttachmentHandler::saveAs( TQWidget *parent, const TQString &attachmentName,
Incidence *incidence )
{
return saveAs( parent, find( parent, attachmentName, incidence ) );
}
bool AttachmentHandler::saveAs( TQWidget *parent, const TQString &attachmentName, const TQString &uid )
{
return saveAs( parent, find( parent, attachmentName, uid ) );
}
bool AttachmentHandler::saveAs( TQWidget *parent, const TQString &attachmentName,
ScheduleMessage *message )
{
return saveAs( parent, find( parent, attachmentName, message ) );
}
}
|
