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
|
#include <tqfile.h>
#include <kdebug.h>
#include <kdeversion.h>
#include <kinstance.h>
#include <klocale.h>
#include <kprogress.h>
#include <kio/job.h>
#include <kio/netaccess.h>
#include <ktempfile.h>
#include "filecache.h"
#include "kuickfile.h"
KuickFile::KuickFile(const KURL& url)
: TQObject(),
m_url( url ),
m_job( 0L ),
m_progress( 0L ),
m_currentProgress( 0 )
{
if ( m_url.isLocalFile())
m_localFile = m_url.path();
else {
const KURL& mostLocal = KIO::NetAccess::mostLocalURL( m_url, 0L );
if ( mostLocal.isValid() && mostLocal.isLocalFile() )
m_localFile = mostLocal.path();
}
}
KuickFile::~KuickFile()
{
delete m_job;
if ( hasDownloaded() )
TQFile::remove( m_localFile );
}
TQString KuickFile::localFile() const
{
// Note: never call isAvailable() from here, directly or indirectly
if ( isDownloading() )
return TQString();
return m_localFile;
}
bool KuickFile::hasDownloaded() const
{
return !m_url.isLocalFile() && isAvailable() && m_job != 0L;
}
// ### need an API for refreshing the file?
bool KuickFile::download()
{
if ( m_url.isLocalFile() || isAvailable() )
return true;
if ( isDownloading() )
return true;
// reinitialize
m_localFile = TQString();
m_currentProgress = 0;
TQString ext;
TQString fileName = m_url.fileName();
int extIndex = fileName.findRev('.');
if ( extIndex > 0 )
ext = fileName.mid( extIndex + 1 );
TQString tempDir = FileCache::self()->tempDir();
KTempFile tempFile( tempDir, ext );
tempFile.setAutoDelete( tempDir.isNull() ); // in case there is no proper tempdir, make sure to delete those files!
if ( tempFile.status() != 0 )
return false;
tempFile.close();
if ( tempFile.status() != 0 )
return false;
KURL destURL;
destURL.setPath( tempFile.name() );
m_job = KIO::file_copy( m_url, destURL, -1, true, false, false ); // handling progress ourselves
m_job->setAutoErrorHandlingEnabled( true );
connect( m_job, TQT_SIGNAL( result( KIO::Job * )), TQT_SLOT( slotResult( KIO::Job * ) ));
connect( m_job, TQT_SIGNAL( percent( KIO::Job *, unsigned long )), TQT_SLOT( slotProgress( KIO::Job *, unsigned long ) ));
// TODO: generify background/foreground downloading?
return m_job != 0L;
}
KuickFile::DownloadStatus KuickFile::waitForDownload( TQWidget *parent )
{
if ( isAvailable() )
return OK;
if ( !isDownloading() ) {
if ( !download() )
return ERROR;
}
KProgressDialog *dialog = new KProgressDialog( parent );
dialog->setModal( true );
dialog->setCaption( i18n("Downloading %1...").arg( m_url.fileName() ) );
dialog->setLabel( i18n("Please wait while downloading\n%1").arg( m_url.prettyURL() ));
dialog->setAllowCancel( true );
dialog->setAutoClose( true );
m_progress = dialog->progressBar();
m_progress->setTotalSteps( 100 ); // percent
m_progress->setProgress( m_currentProgress );
dialog->exec();
bool canceled = dialog->wasCancelled();
delete dialog;
m_progress = 0L;
if ( canceled && m_job ) {
m_job->kill();
m_job = 0L;
m_currentProgress = 0;
}
// ### when aborted, remove KuickImage from FileCache?
if ( canceled )
return CANCELED;
if ( !isAvailable() )
return ERROR;
// ### use custom progress dialog with OK, SKIP, CANCEL?
return OK;
}
void KuickFile::slotResult( KIO::Job *job )
{
if (job != m_job) { // huh?
return;
}
m_job = 0L;
if ( job->error() != 0 ) {
m_currentProgress = 0;
if ( job->error() != KIO::ERR_USER_CANCELED )
kdWarning() << "ERROR: KuickFile::slotResult: " << job->errorString() << endl;
TQString canceledFile = static_cast<KIO::FileCopyJob*>(job)->destURL().path();
TQFile::remove( canceledFile );
m_progress->topLevelWidget()->hide();
}
else {
m_localFile = static_cast<KIO::FileCopyJob*>(job)->destURL().path();
emit downloaded( this ); // before closing the progress dialog
if ( m_progress ) {
m_progress->setProgress( 100 );
#define BUGGY_VERSION KDE_MAKE_VERSION(3,5,2)
if ( KDE::version() <= BUGGY_VERSION ) {
m_progress->topLevelWidget()->hide(); // ### workaround broken KProgressDialog
}
}
}
}
void KuickFile::slotProgress( KIO::Job *job, unsigned long percent )
{
if (job != m_job) { // huh?
return;
}
m_currentProgress = percent;
if ( !m_progress )
return;
// only set 100% in slotResult. Otherwise, the progress dialog would be closed
// before slotResult() is called.
if ( percent >= 100 )
percent = 99;
m_progress->setProgress( (int) percent );
}
bool operator==( const KuickFile& first, const KuickFile& second ) {
return first.url().equals( second.url() );
}
#include "kuickfile.moc"
|
