qmljs: Do not use app.qmltypes and lib.qmltypes anymore

Task-number: QTBUG-82710
Change-Id: I876ec2b8e2b668a239248511b0fbd58389098de6
Reviewed-by: Ulf Hermann <ulf.hermann@qt.io>
Reviewed-by: Eike Ziller <eike.ziller@qt.io>

src/libs/qmljs/qmljslink.cpp

@@ -35,6 +35,7 @@
 #include <utils/qrcparser.h>
 
 #include <QDir>
+#include <QDirIterator>
 
 using namespace LanguageUtils;
 using namespace QmlJS::AST;
@@ -385,8 +386,10 @@ Import LinkPrivate::importNonFile(const Document::Ptr &doc, const ImportInfo &im
 
     if (!importFound) {
         for (const QString &dir : qAsConst(m_applicationDirectories)) {
+            QDirIterator it(dir, QStringList { "*.qmltypes" }, QDir::Files);
+
             // This adds the types to the C++ types, to be found below if applicable.
-            if (QFile::exists(dir + "/app.qmltypes"))
+            if (it.hasNext())
                 importLibrary(doc, dir, &import);
         }
     }

src/libs/qmljs/qmljsmodelmanagerinterface.cpp

@@ -40,6 +40,7 @@
 #include <utils/runextensions.h>
 
 #include <QDir>
+#include <QDirIterator>
 #include <QFile>
 #include <QFileInfo>
 #include <QMetaObject>
@@ -781,13 +782,17 @@ static bool findNewQmlApplicationInPath(const QString &path,
     default: break;
     }
 
-    const QDir dir(path);
-    const QLatin1String appQmltypes("app.qmltypes");
-    QFile appQmltypesFile(dir.filePath(appQmltypes));
-    if (!appQmltypesFile.exists())
+    QString qmltypesFile;
+
+    QDir dir(path);
+    QDirIterator it(path, QStringList { "*.qmltypes" }, QDir::Files);
+
+    if (!it.hasNext())
         return false;
 
-    LibraryInfo libraryInfo = LibraryInfo(QmlDirParser::TypeInfo(appQmltypes));
+    qmltypesFile = it.next();
+
+    LibraryInfo libraryInfo = LibraryInfo(QmlDirParser::TypeInfo(qmltypesFile));
     const QString libraryPath = dir.absolutePath();
     newLibraries->insert(libraryPath);
     modelManager->updateLibraryInfo(path, libraryInfo);

src/libs/qmljs/qmljsplugindumper.cpp

@@ -36,17 +36,12 @@
 #include <utils/hostosinfo.h>
 
 #include <QDir>
+#include <QDirIterator>
 #include <QRegularExpression>
 
 using namespace LanguageUtils;
 using namespace QmlJS;
 
-static const QStringList qmltypesFileNames = {
-    QLatin1String("plugins.qmltypes"),
-    QLatin1String("app.qmltypes"),
-    QLatin1String("lib.qmltypes")
-};
-
 PluginDumper::PluginDumper(ModelManagerInterface *modelManager)
     : QObject(modelManager)
     , m_modelManager(modelManager)
@@ -152,9 +147,12 @@ void PluginDumper::onLoadPluginTypes(const QString &libraryPath, const QString &
     plugin.importVersion = importVersion;
 
     // add default qmltypes file if it exists
-    for (const QString &qmltypesFileName : qmltypesFileNames) {
-        const QString defaultQmltypesPath = makeAbsolute(qmltypesFileName, canonicalLibraryPath);
-        if (!plugin.typeInfoPaths.contains(defaultQmltypesPath) && QFile::exists(defaultQmltypesPath))
+    QDirIterator it(canonicalLibraryPath, QStringList { "*.qmltypes" }, QDir::Files);
+
+    while (it.hasNext()) {
+        const QString defaultQmltypesPath = makeAbsolute(it.next(), canonicalLibraryPath);
+
+        if (!plugin.typeInfoPaths.contains(defaultQmltypesPath))
             plugin.typeInfoPaths += defaultQmltypesPath;
     }
 
@@ -405,11 +403,10 @@ QString PluginDumper::buildQmltypesPath(const QString &name) const
     if (path.isEmpty())
         return QString();
 
-    for (const QString &qmltypesFileName : qmltypesFileNames) {
-        const QString filename = path + QLatin1Char('/') + qmltypesFileName;
-        if (QFile::exists(filename))
-            return filename;
-    }
+    QDirIterator it(path, QStringList { "*.qmltypes" }, QDir::Files);
+
+    if (it.hasNext())
+        return it.next();
 
     return QString();
 }