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41 #include "tracer.h"
42 
43 #include <QtCore/QDir>
44 #include <QtCore/QLibraryInfo>
45 #include <QtCore/QDateTime>
46 #include <QtCore/QFileSystemWatcher>
47 #include <QtHelp/QHelpEngineCore>
48 #include "helpenginewrapper.h"
49 #include "qtdocinstaller.h"
50 
51 QT_BEGIN_NAMESPACE
52 
QtDocInstaller(const QList<DocInfo> & docInfos)53 QtDocInstaller::QtDocInstaller(const QList<DocInfo> &docInfos)
54     : m_abort(false), m_docInfos(docInfos)
55 {
56     TRACE_OBJ
57 }
58 
~QtDocInstaller()59 QtDocInstaller::~QtDocInstaller()
60 {
61     TRACE_OBJ
62     if (!isRunning())
63         return;
64     m_mutex.lock();
65     m_abort = true;
66     m_mutex.unlock();
67     wait();
68 }
69 
installDocs()70 void QtDocInstaller::installDocs()
71 {
72     TRACE_OBJ
73     start(LowPriority);
74 }
75 
run()76 void QtDocInstaller::run()
77 {
78     TRACE_OBJ
79     m_qchDir = QLibraryInfo::location(QLibraryInfo::DocumentationPath)
80         + QDir::separator() + QLatin1String("qch");
81     m_qchFiles = m_qchDir.entryList(QStringList() << QLatin1String("*.qch"));
82 
83     bool changes = false;
84     foreach (const DocInfo &docInfo, m_docInfos) {
85         changes |= installDoc(docInfo);
86         m_mutex.lock();
87         if (m_abort) {
88             m_mutex.unlock();
89             return;
90         }
91         m_mutex.unlock();
92     }
93     emit docsInstalled(changes);
94 }
95 
installDoc(const DocInfo & docInfo)96 bool QtDocInstaller::installDoc(const DocInfo &docInfo)
97 {
98     TRACE_OBJ
99     const QString &component = docInfo.first;
100     const QStringList &info = docInfo.second;
101     QDateTime dt;
102     if (!info.isEmpty() && !info.first().isEmpty())
103         dt = QDateTime::fromString(info.first(), Qt::ISODate);
104 
105     QString qchFile;
106     if (info.count() == 2)
107         qchFile = info.last();
108 
109     if (m_qchFiles.isEmpty()) {
110         emit qchFileNotFound(component);
111         return false;
112     }
113     foreach (const QString &f, m_qchFiles) {
114         if (f.startsWith(component)) {
115             QFileInfo fi(m_qchDir.absolutePath() + QDir::separator() + f);
116             if (dt.isValid() && fi.lastModified().toTime_t() == dt.toTime_t()
117                 && qchFile == fi.absoluteFilePath())
118                 return false;
119             emit registerDocumentation(component, fi.absoluteFilePath());
120             return true;
121         }
122     }
123 
124     emit qchFileNotFound(component);
125     return false;
126 }
127 
128 QT_END_NAMESPACE
129