Parent: [922f73] (diff)

Child: [62f4f7] (diff)

Download this file

rclm_view.cpp    444 lines (396 with data), 14.9 kB

  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
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
/* Copyright (C) 2005 J.F.Dockes
* 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.,
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "autoconfig.h"
#include <list>
#include <QMessageBox>
#include "debuglog.h"
#include "fileudi.h"
#include "execmd.h"
#include "transcode.h"
#include "docseqhist.h"
#include "docseqdb.h"
#include "internfile.h"
#include "rclmain_w.h"
#include "rclzg.h"
using namespace std;
// Start native viewer or preview for input Doc. This is used to allow
// using recoll from another app (e.g. Unity Scope) to view embedded
// result docs (docs with an ipath). . We act as a proxy to extract
// the data and start a viewer. The Url are encoded as
// file://path#ipath
void RclMain::viewUrl()
{
if (m_urltoview.isEmpty() || !rcldb)
return;
QUrl qurl(m_urltoview);
LOGDEB(("RclMain::viewUrl: Path [%s] fragment [%s]\n",
(const char *)qurl.path().toLocal8Bit(),
(const char *)qurl.fragment().toLocal8Bit()));
/* In theory, the url might not be for a file managed by the fs
indexer so that the make_udi() call here would be
wrong(). When/if this happens we'll have to hide this part
inside internfile and have some url magic to indicate the
appropriate indexer/identification scheme */
string udi;
make_udi((const char *)qurl.path().toLocal8Bit(),
(const char *)qurl.fragment().toLocal8Bit(), udi);
Rcl::Doc doc;
Rcl::Doc idxdoc; // idxdoc.idxi == 0 -> works with base index only
if (!rcldb->getDoc(udi, idxdoc, doc) || doc.pc == -1)
return;
// StartNativeViewer needs a db source to call getEnclosing() on.
Rcl::Query *query = new Rcl::Query(rcldb);
DocSequenceDb *src =
new DocSequenceDb(STD_SHARED_PTR<Rcl::Query>(query), "",
STD_SHARED_PTR<Rcl::SearchData>(new Rcl::SearchData));
m_source = STD_SHARED_PTR<DocSequence>(src);
// Start a native viewer if the mimetype has one defined, else a
// preview.
string apptag;
doc.getmeta(Rcl::Doc::keyapptg, &apptag);
string viewer = theconfig->getMimeViewerDef(doc.mimetype, apptag,
prefs.useDesktopOpen);
if (viewer.empty()) {
startPreview(doc);
} else {
hide();
startNativeViewer(doc);
// We have a problem here because xdg-open will exit
// immediately after starting the command instead of waiting
// for it, so we can't wait either and we don't know when we
// can exit (deleting the temp file). As a bad workaround we
// sleep some time then exit. The alternative would be to just
// prevent the temp file deletion completely, leaving it
// around forever. Better to let the user save a copy if he
// wants I think.
sleep(30);
fileExit();
}
}
/* Look for html browser. We make a special effort for html because it's
* used for reading help. This is only used if the normal approach
* (xdg-open etc.) failed */
static bool lookForHtmlBrowser(string &exefile)
{
static const char *htmlbrowserlist =
"opera google-chrome chromium-browser konqueror iceweasel firefox "
"mozilla netscape epiphany";
vector<string> blist;
stringToTokens(htmlbrowserlist, blist, " ");
const char *path = getenv("PATH");
if (path == 0)
path = "/bin:/usr/bin:/usr/bin/X11:/usr/X11R6/bin:/usr/local/bin";
// Look for each browser
for (vector<string>::const_iterator bit = blist.begin();
bit != blist.end(); bit++) {
if (ExecCmd::which(*bit, exefile, path))
return true;
}
exefile.clear();
return false;
}
void RclMain::openWith(Rcl::Doc doc, string cmdspec)
{
LOGDEB(("RclMain::openWith: %s\n", cmdspec.c_str()));
// Split the command line
vector<string> lcmd;
if (!stringToStrings(cmdspec, lcmd)) {
QMessageBox::warning(0, "Recoll",
tr("Bad desktop app spec for %1: [%2]\n"
"Please check the desktop file")
.arg(QString::fromUtf8(doc.mimetype.c_str()))
.arg(QString::fromLocal8Bit(cmdspec.c_str())));
return;
}
// Look for the command to execute in the exec path and the filters
// directory
string execname = lcmd.front();
lcmd.erase(lcmd.begin());
string url = doc.url;
string fn = fileurltolocalpath(doc.url);
// Try to keep the letters used more or less consistent with the reslist
// paragraph format.
map<string, string> subs;
subs["F"] = fn;
subs["f"] = fn;
subs["U"] = url;
subs["u"] = url;
execViewer(subs, false, execname, lcmd, cmdspec, doc);
}
void RclMain::startNativeViewer(Rcl::Doc doc, int pagenum, QString term)
{
string apptag;
doc.getmeta(Rcl::Doc::keyapptg, &apptag);
LOGDEB(("RclMain::startNativeViewer: mtype [%s] apptag [%s] page %d "
"term [%s] url [%s] ipath [%s]\n",
doc.mimetype.c_str(), apptag.c_str(), pagenum,
(const char *)(term.toUtf8()), doc.url.c_str(), doc.ipath.c_str()
));
// Look for appropriate viewer
string cmdplusattr = theconfig->getMimeViewerDef(doc.mimetype, apptag,
prefs.useDesktopOpen);
if (cmdplusattr.empty()) {
QMessageBox::warning(0, "Recoll",
tr("No external viewer configured for mime type [")
+ doc.mimetype.c_str() + "]");
return;
}
// Separate command string and viewer attributes (if any)
ConfSimple viewerattrs;
string cmd;
theconfig->valueSplitAttributes(cmdplusattr, cmd, viewerattrs);
bool ignoreipath = false;
if (viewerattrs.get("ignoreipath", cmdplusattr))
ignoreipath = stringToBool(cmdplusattr);
// Split the command line
vector<string> lcmd;
if (!stringToStrings(cmd, lcmd)) {
QMessageBox::warning(0, "Recoll",
tr("Bad viewer command line for %1: [%2]\n"
"Please check the mimeview file")
.arg(QString::fromUtf8(doc.mimetype.c_str()))
.arg(QString::fromLocal8Bit(cmd.c_str())));
return;
}
// Look for the command to execute in the exec path and the filters
// directory
string execpath;
if (!ExecCmd::which(lcmd.front(), execpath)) {
execpath = theconfig->findFilter(lcmd.front());
// findFilter returns its input param if the filter is not in
// the normal places. As we already looked in the path, we
// have no use for a simple command name here (as opposed to
// mimehandler which will just let execvp do its thing). Erase
// execpath so that the user dialog will be started further
// down.
if (!execpath.compare(lcmd.front()))
execpath.erase();
// Specialcase text/html because of the help browser need
if (execpath.empty() && !doc.mimetype.compare("text/html") &&
apptag.empty()) {
if (lookForHtmlBrowser(execpath)) {
lcmd.clear();
lcmd.push_back(execpath);
lcmd.push_back("%u");
}
}
}
// Command not found: start the user dialog to help find another one:
if (execpath.empty()) {
QString mt = QString::fromUtf8(doc.mimetype.c_str());
QString message = tr("The viewer specified in mimeview for %1: %2"
" is not found.\nDo you want to start the "
" preferences dialog ?")
.arg(mt).arg(QString::fromLocal8Bit(lcmd.front().c_str()));
switch(QMessageBox::warning(0, "Recoll", message,
"Yes", "No", 0, 0, 1)) {
case 0:
showUIPrefs();
if (uiprefs)
uiprefs->showViewAction(mt);
break;
case 1:
break;
}
// The user will have to click on the link again to try the
// new command.
return;
}
// Get rid of the command name. lcmd is now argv[1...n]
lcmd.erase(lcmd.begin());
// Process the command arguments to determine if we need to create
// a temporary file.
// If the command has a %i parameter it will manage the
// un-embedding. Else if ipath is not empty, we need a temp file.
// This can be overridden with the "ignoreipath" attribute
bool groksipath = (cmd.find("%i") != string::npos) || ignoreipath;
// wantsfile: do we actually need a local file ? The only other
// case here is an url %u (ie: for web history).
bool wantsfile = cmd.find("%f") != string::npos && urlisfileurl(doc.url);
bool wantsparentfile = cmd.find("%F") != string::npos &&
urlisfileurl(doc.url);
if (wantsfile && wantsparentfile) {
QMessageBox::warning(0, "Recoll",
tr("Viewer command line for %1 specifies both "
"file and parent file value: unsupported")
.arg(QString::fromUtf8(doc.mimetype.c_str())));
return;
}
string url = doc.url;
string fn = fileurltolocalpath(doc.url);
Rcl::Doc pdoc;
if (wantsparentfile) {
// We want the path for the parent document. For example to
// open the chm file, not the internal page. Note that we just
// override the other file name in this case.
if (!m_source || !m_source->getEnclosing(doc, pdoc)) {
QMessageBox::warning(0, "Recoll",
tr("Cannot find parent document"));
return;
}
// Override fn with the parent's :
fn = fileurltolocalpath(pdoc.url);
// If the parent document has an ipath too, we need to create
// a temp file even if the command takes an ipath
// parameter. We have no viewer which could handle a double
// embedding. Will have to change if such a one appears.
if (!pdoc.ipath.empty()) {
groksipath = false;
}
}
bool istempfile = false;
LOGDEB(("RclMain::startNV: groksipath %d wantsf %d wantsparentf %d\n",
groksipath, wantsfile, wantsparentfile));
// If the command wants a file but this is not a file url, or
// there is an ipath that it won't understand, we need a temp file:
theconfig->setKeyDir(path_getfather(fn));
if (!doc.isFsFile() ||
((wantsfile || wantsparentfile) && fn.empty()) ||
(!groksipath && !doc.ipath.empty()) ) {
TempFile temp;
Rcl::Doc& thedoc = wantsparentfile ? pdoc : doc;
if (!FileInterner::idocToFile(temp, string(), theconfig, thedoc)) {
QMessageBox::warning(0, "Recoll",
tr("Cannot extract document or create "
"temporary file"));
return;
}
istempfile = true;
rememberTempFile(temp);
fn = temp->filename();
url = string("file://") + fn;
}
// If using an actual file, check that it exists, and if it is
// compressed, we may need an uncompressed version
if (!fn.empty() && theconfig->mimeViewerNeedsUncomp(doc.mimetype)) {
if (access(fn.c_str(), R_OK) != 0) {
QMessageBox::warning(0, "Recoll",
tr("Can't access file: ") +
QString::fromLocal8Bit(fn.c_str()));
return;
}
TempFile temp;
if (FileInterner::isCompressed(fn, theconfig)) {
if (!FileInterner::maybeUncompressToTemp(temp, fn, theconfig,
doc)) {
QMessageBox::warning(0, "Recoll",
tr("Can't uncompress file: ") +
QString::fromLocal8Bit(fn.c_str()));
return;
}
}
if (temp) {
rememberTempFile(temp);
fn = temp->filename();
url = string("file://") + fn;
}
}
// If we are not called with a page number (which would happen for a call
// from the snippets window), see if we can compute a page number anyway.
if (pagenum == -1) {
pagenum = 1;
string lterm;
if (m_source)
pagenum = m_source->getFirstMatchPage(doc, lterm);
if (pagenum == -1)
pagenum = 1;
else // We get the match term used to compute the page
term = QString::fromUtf8(lterm.c_str());
}
char cpagenum[20];
sprintf(cpagenum, "%d", pagenum);
// Substitute %xx inside arguments
string efftime;
if (!doc.dmtime.empty() || !doc.fmtime.empty()) {
efftime = doc.dmtime.empty() ? doc.fmtime : doc.dmtime;
} else {
efftime = "0";
}
// Try to keep the letters used more or less consistent with the reslist
// paragraph format.
map<string, string> subs;
subs["D"] = efftime;
subs["f"] = fn;
subs["F"] = fn;
subs["i"] = FileInterner::getLastIpathElt(doc.ipath);
subs["M"] = doc.mimetype;
subs["p"] = cpagenum;
subs["s"] = (const char*)term.toLocal8Bit();
subs["U"] = url;
subs["u"] = url;
// Let %(xx) access all metadata.
for (map<string,string>::const_iterator it = doc.meta.begin();
it != doc.meta.end(); it++) {
subs[it->first] = it->second;
}
execViewer(subs, istempfile, execpath, lcmd, cmd, doc);
}
void RclMain::execViewer(const map<string, string>& subs, bool istempfile,
const string& execpath,
const vector<string>& _lcmd, const string& cmd,
Rcl::Doc doc)
{
string ncmd;
vector<string> lcmd;
for (vector<string>::const_iterator it = _lcmd.begin();
it != _lcmd.end(); it++) {
pcSubst(*it, ncmd, subs);
LOGDEB(("%s->%s\n", it->c_str(), ncmd.c_str()));
lcmd.push_back(ncmd);
}
// Also substitute inside the unsplitted command line and display
// in status bar
pcSubst(cmd, ncmd, subs);
ncmd += " &";
QStatusBar *stb = statusBar();
if (stb) {
string fcharset = theconfig->getDefCharset(true);
string prcmd;
transcode(ncmd, prcmd, fcharset, "UTF-8");
QString msg = tr("Executing: [") +
QString::fromUtf8(prcmd.c_str()) + "]";
stb->showMessage(msg, 10000);
}
if (!istempfile)
historyEnterDoc(g_dynconf, doc.meta[Rcl::Doc::keyudi]);
// Do the zeitgeist thing
zg_send_event(ZGSEND_OPEN, doc);
// We keep pushing back and never deleting. This can't be good...
ExecCmd *ecmd = new ExecCmd;
m_viewers.push_back(ecmd);
ecmd->startExec(execpath, lcmd, false, false);
}
void RclMain::startManual()
{
startManual(string());
}
void RclMain::startManual(const string& index)
{
Rcl::Doc doc;
doc.url = "file://";
doc.url = path_cat(doc.url, theconfig->getDatadir());
doc.url = path_cat(doc.url, "doc");
doc.url = path_cat(doc.url, "usermanual.html");
LOGDEB(("RclMain::startManual: help index is %s\n",
index.empty()?"(null)":index.c_str()));
if (!index.empty()) {
doc.url += "#";
doc.url += index;
}
doc.mimetype = "text/html";
startNativeViewer(doc);
}