avoid unnecessary copies by using const & in foreach

svn path=/trunk/KDE/kdebase/apps/; revision=800783

diff --git a/src/dolphinview.cpp b/src/dolphinview.cpp
index d87571c7e79e2e173694fee1ba1851c2f7f29a75..28e50a0a2390dd2c9e2168123f2886086504c4ef 100644 (file)
--- a/src/dolphinview.cpp
+++ b/src/dolphinview.cpp
@@ -301,7 +301,7 @@ KFileItemList DolphinView::selectedItems() const
     KFileItemList itemList;
 
     const QModelIndexList indexList = selection.indexes();
-    foreach (QModelIndex index, indexList) {
+    foreach (const QModelIndex &index, indexList) {
         KFileItem item = m_dolphinModel->itemForIndex(index);
         if (!item.isNull()) {
             itemList.append(item);
@@ -315,7 +315,7 @@ KUrl::List DolphinView::selectedUrls() const
 {
     KUrl::List urls;
     const KFileItemList list = selectedItems();
-    foreach (KFileItem item, list) {
+    foreach (const KFileItem &item, list) {
         urls.append(item.url());
     }
     return urls;
@@ -468,7 +468,7 @@ void DolphinView::setNameFilter(const QString& nameFilter)
 
 void DolphinView::calculateItemCount(int& fileCount, int& folderCount)
 {
-    foreach (KFileItem item, m_dirLister->items()) {
+    foreach (const KFileItem &item, m_dirLister->items()) {
         if (item.isDir()) {
             ++folderCount;
         } else {
@@ -524,7 +524,7 @@ void DolphinView::renameSelectedItems()
 
             // iterate through all selected items and rename them...
             int index = 1;
-            foreach (KFileItem item, items) {
+            foreach (const KFileItem &item, items) {
                 const KUrl& oldUrl = item.url();
                 QString number;
                 number.setNum(index++);

diff --git a/src/fileitemcapabilities.cpp b/src/fileitemcapabilities.cpp
index 144f148a7ac9f9a65f911fcb3a099c8b4f072260..6ab37ad2c062659691a6a53d27299168e60bb139 100644 (file)
--- a/src/fileitemcapabilities.cpp
+++ b/src/fileitemcapabilities.cpp
@@ -32,7 +32,7 @@ FileItemCapabilities::FileItemCapabilities(const KFileItemList& items) :
     m_isLocal(true)
 {
     QFileInfo parentDirInfo;
-    foreach (KFileItem item, items) {
+    foreach (const KFileItem &item, items) {
         const KUrl url = item.url();
         m_isLocal = m_isLocal && url.isLocalFile();
         m_supportsReading  = m_supportsReading  && KProtocolManager::supportsReading(url);

diff --git a/src/iconmanager.cpp b/src/iconmanager.cpp
index b46328ceaef89d9094304b1b84d3befa1c01c43e..72549d71b196aec20b78ae17abb35ca91718658c 100644 (file)
--- a/src/iconmanager.cpp
+++ b/src/iconmanager.cpp
@@ -107,7 +107,7 @@ void IconManager::generatePreviews(const KFileItemList &items)
     // Order the items in a way that the preview for the visible items
     // is generated first, as this improves the feeled performance a lot.
     KFileItemList orderedItems;
-    foreach (KFileItem item, items) {
+    foreach (const KFileItem &item, items) {
         const QModelIndex dirIndex = m_dolphinModel->indexForItem(item);
         const QModelIndex proxyIndex = m_proxyModel->mapFromSource(dirIndex);
         const QRect itemRect = m_view->visualRect(proxyIndex);
@@ -147,7 +147,7 @@ void IconManager::updateCutItems()
 {
     // restore the icons of all previously selected items to the
     // original state...
-    foreach (CutItem cutItem, m_cutItemsCache) {
+    foreach (const CutItem &cutItem, m_cutItemsCache) {
         const QModelIndex index = m_dolphinModel->indexForUrl(cutItem.url);
         if (index.isValid()) {
             m_dolphinModel->setData(index, QIcon(cutItem.pixmap), Qt::DecorationRole);
@@ -207,7 +207,7 @@ void IconManager::replaceIcon(const KFileItem& item, const QPixmap& pixmap)
     bool isOldPreview = true;
     const KUrl::List dirs = dirLister->directories();
     const QString itemDir = item.url().directory();
-    foreach (KUrl url, dirs) {
+    foreach (const KUrl &url, dirs) {
         if (url.path() == itemDir) {
             isOldPreview = false;
             break;
@@ -244,7 +244,7 @@ bool IconManager::isCutItem(const KFileItem& item) const
     const KUrl::List cutUrls = KUrl::List::fromMimeData(mimeData);
 
     const KUrl& itemUrl = item.url();
-    foreach (KUrl url, cutUrls) {
+    foreach (const KUrl &url, cutUrls) {
         if (url == itemUrl) {
             return true;
         }
@@ -263,11 +263,11 @@ void IconManager::applyCutItemEffect()
     KFileItemList items;
     KDirLister* dirLister = m_dolphinModel->dirLister();
     const KUrl::List dirs = dirLister->directories();
-    foreach (KUrl url, dirs) {
+    foreach (const KUrl &url, dirs) {
         items << dirLister->itemsForDir(url);
     }
 
-    foreach (KFileItem item, items) {
+    foreach (const KFileItem &item, items) {
         if (isCutItem(item)) {
             const QModelIndex index = m_dolphinModel->indexForItem(item);
             const QVariant value = m_dolphinModel->data(index, Qt::DecorationRole);

diff --git a/src/metadatawidget.cpp b/src/metadatawidget.cpp
index e9acac7cea0f558e97150bae645bad21daedeeea..9567c0e8272f3e9d36e8b74311237b8a048cef2a 100644 (file)
--- a/src/metadatawidget.cpp
+++ b/src/metadatawidget.cpp
@@ -123,7 +123,7 @@ void MetaDataWidget::setFiles(const KUrl::List& urls)
     d->files.clear();
     bool first = true;
     QList<Nepomuk::Resource> fileRes;
-    Q_FOREACH( KUrl url, urls ) {
+    Q_FOREACH( const KUrl &url, urls ) {
         Nepomuk::Resource file( url, Soprano::Vocabulary::Xesam::File() );
         d->files.insert( url, file );
         fileRes.append( file );

diff --git a/src/nepomukmassupdatejob.cpp b/src/nepomukmassupdatejob.cpp
index b47358fe946ff4b5d66691346015f886895bebee..5c883fd4b32153c5891a4a18ca5bc494560d2a9b 100644 (file)
--- a/src/nepomukmassupdatejob.cpp
+++ b/src/nepomukmassupdatejob.cpp
@@ -46,7 +46,7 @@ Nepomuk::MassUpdateJob::~MassUpdateJob()
 void Nepomuk::MassUpdateJob::setFiles( const KUrl::List& urls )
 {
     m_resources.clear();
-    foreach( KUrl url, urls ) {
+    foreach( const KUrl &url, urls ) {
         m_resources.append( Resource( url ) );
     }
     setTotalAmount( KJob::Files, m_resources.count() );

diff --git a/src/tagcloud/resourcetaggingwidget.cpp b/src/tagcloud/resourcetaggingwidget.cpp
index 3893426088834857f96cb53c355ed6a6c765cfc8..1ac829952210d878714abf74fc95ede554b19221 100644 (file)
--- a/src/tagcloud/resourcetaggingwidget.cpp
+++ b/src/tagcloud/resourcetaggingwidget.cpp
@@ -57,7 +57,7 @@ void Nepomuk::ResourceTaggingWidget::Private::showTaggingPopup( const QPoint& po
 {
     popup->showAllTags();
     resourceTags = intersectTags( resources );
-    Q_FOREACH( Tag tag, resourceTags ) {
+    Q_FOREACH( const Tag &tag, resourceTags ) {
         popup->setTagSelected( tag, true );
     }
 

diff --git a/src/tagcloud/tagcloud.cpp b/src/tagcloud/tagcloud.cpp
index 0cfe7688536309ce11a0ff633c7b70446abfbf02..e59074fab52334331eaec4656ee3ad99f0b0ded7 100644 (file)
--- a/src/tagcloud/tagcloud.cpp
+++ b/src/tagcloud/tagcloud.cpp
@@ -651,7 +651,7 @@ void Nepomuk::TagCloud::showTags( const QList<Tag>& tags )
     d->showAllTags = false;
     d->invalidateCachedValues();
     d->nodes.clear();
-    Q_FOREACH( Tag tag, tags ) {
+    Q_FOREACH( const Tag &tag, tags ) {
         TagNode node;
         node.tag = tag;
         node.weight = d->calculateWeight( tag );