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
|
/* BEGIN_COMMON_COPYRIGHT_HEADER
* (c)LGPL2+
*
* LXQt - a lightweight, Qt based, desktop toolset
* https://lxqt.org
*
* Copyright: 2010-2011 Razor team
* Authors:
* Alexander Sokoloff <sokoloff.a@gmail.com>
*
* This program or library is free software; you can redistribute it
* and/or modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301 USA
*
* END_COMMON_COPYRIGHT_HEADER */
#include "xdgmenu.h"
#include "xdgmenuapplinkprocessor.h"
#include "xmlhelper.h"
#include "xdgdesktopfile.h"
#include <QDir>
XdgMenuApplinkProcessor::XdgMenuApplinkProcessor(QDomElement& element, XdgMenu* menu, XdgMenuApplinkProcessor *parent) :
QObject(parent)
{
mElement = element;
mParent = parent;
mMenu = menu;
mOnlyUnallocated = element.attribute(QLatin1String("onlyUnallocated")) == QLatin1String("1");
MutableDomElementIterator i(element, QLatin1String("Menu"));
while(i.hasNext())
{
QDomElement e = i.next();
mChilds.append(new XdgMenuApplinkProcessor(e, mMenu, this));
}
}
XdgMenuApplinkProcessor::~XdgMenuApplinkProcessor()
{
}
void XdgMenuApplinkProcessor::run()
{
step1();
step2();
}
void XdgMenuApplinkProcessor::step1()
{
fillAppFileInfoList();
createRules();
// Check Include rules & mark as allocated ............
XdgMenuAppFileInfoHashIterator i(mAppFileInfoHash);
while(i.hasNext())
{
i.next();
XdgDesktopFile* file = i.value()->desktopFile();
if (mRules.checkInclude(i.key(), *file))
{
if (!mOnlyUnallocated)
i.value()->setAllocated(true);
if (!mRules.checkExclude(i.key(), *file))
{
mSelected.append(i.value());
}
}
}
// Process childs menus ...............................
for (XdgMenuApplinkProcessor* child : const_cast<const QLinkedList<XdgMenuApplinkProcessor*>&>(mChilds))
child->step1();
}
void XdgMenuApplinkProcessor::step2()
{
// Create AppLinks elements ...........................
QDomDocument doc = mElement.ownerDocument();
for (XdgMenuAppFileInfo* fileInfo : const_cast<const QLinkedList<XdgMenuAppFileInfo*>&>(mSelected))
{
if (mOnlyUnallocated && fileInfo->allocated())
continue;
XdgDesktopFile* file = fileInfo->desktopFile();
bool show = false;
QStringList envs = mMenu->environments();
const int N = envs.size();
for (int i = 0; i < N; ++i)
{
if (file->isShown(envs.at(i)))
{
show = true;
break;
}
}
if (!show)
continue;
QDomElement appLink = doc.createElement(QLatin1String("AppLink"));
appLink.setAttribute(QLatin1String("id"), fileInfo->id());
appLink.setAttribute(QLatin1String("title"), file->localizedValue(QLatin1String("Name")).toString());
appLink.setAttribute(QLatin1String("comment"), file->localizedValue(QLatin1String("Comment")).toString());
appLink.setAttribute(QLatin1String("genericName"), file->localizedValue(QLatin1String("GenericName")).toString());
appLink.setAttribute(QLatin1String("exec"), file->value(QLatin1String("Exec")).toString());
appLink.setAttribute(QLatin1String("terminal"), file->value(QLatin1String("Terminal")).toBool());
appLink.setAttribute(QLatin1String("startupNoify"), file->value(QLatin1String("StartupNotify")).toBool());
appLink.setAttribute(QLatin1String("path"), file->value(QLatin1String("Path")).toString());
appLink.setAttribute(QLatin1String("icon"), file->value(QLatin1String("Icon")).toString());
appLink.setAttribute(QLatin1String("desktopFile"), file->fileName());
mElement.appendChild(appLink);
}
// Process childs menus ...............................
for (XdgMenuApplinkProcessor* child : const_cast<const QLinkedList<XdgMenuApplinkProcessor*>&>(mChilds))
child->step2();
}
/************************************************
For each <Menu> element, build a pool of desktop entries by collecting entries found
in each <AppDir> for the menu element. If two entries have the same desktop-file id,
the entry for the earlier (closer to the top of the file) <AppDir> must be discarded.
Next, add to the pool the entries for any <AppDir>s specified by ancestor <Menu>
elements. If a parent menu has a duplicate entry (same desktop-file id), the entry
for the child menu has priority.
************************************************/
void XdgMenuApplinkProcessor::fillAppFileInfoList()
{
// Build a pool by collecting entries found in <AppDir>
{
MutableDomElementIterator i(mElement, QLatin1String("AppDir"));
i.toBack();
while(i.hasPrevious())
{
QDomElement e = i.previous();
findDesktopFiles(e.text(), QString());
mElement.removeChild(e);
}
}
// Add the entries for ancestor <Menu> ................
if (mParent)
{
XdgMenuAppFileInfoHashIterator i(mParent->mAppFileInfoHash);
while(i.hasNext())
{
i.next();
//if (!mAppFileInfoHash.contains(i.key()))
mAppFileInfoHash.insert(i.key(), i.value());
}
}
}
void XdgMenuApplinkProcessor::findDesktopFiles(const QString& dirName, const QString& prefix)
{
QDir dir(dirName);
mMenu->addWatchPath(dir.absolutePath());
const QFileInfoList files = dir.entryInfoList(QStringList(QLatin1String("*.desktop")), QDir::Files);
for (const QFileInfo &file : files)
{
XdgDesktopFile* f = XdgDesktopFileCache::getFile(file.canonicalFilePath());
if (f)
mAppFileInfoHash.insert(prefix + file.fileName(), new XdgMenuAppFileInfo(f, prefix + file.fileName(), this));
}
// Working recursively ............
const QFileInfoList dirs = dir.entryInfoList(QStringList(), QDir::Dirs | QDir::NoDotAndDotDot);
for (const QFileInfo &d : dirs)
{
QString dn = d.canonicalFilePath();
if (dn != dirName)
{
findDesktopFiles(dn, QString::fromLatin1("%1%2-").arg(prefix, d.fileName()));
}
}
}
void XdgMenuApplinkProcessor::createRules()
{
MutableDomElementIterator i(mElement, QString());
while(i.hasNext())
{
QDomElement e = i.next();
if (e.tagName()== QLatin1String("Include"))
{
mRules.addInclude(e);
mElement.removeChild(e);
}
else if (e.tagName()== QLatin1String("Exclude"))
{
mRules.addExclude(e);
mElement.removeChild(e);
}
}
}
/************************************************
Check if the program is actually installed.
************************************************/
bool XdgMenuApplinkProcessor::checkTryExec(const QString& progName)
{
if (progName.startsWith(QDir::separator()))
return QFileInfo(progName).isExecutable();
const QStringList dirs = QFile::decodeName(qgetenv("PATH")).split(QLatin1Char(':'));
for (const QString &dir : dirs)
{
if (QFileInfo(QDir(dir), progName).isExecutable())
return true;
}
return false;
}
|