Merge remote-tracking branch 'origin/KDE/4.10'

[dolphin.git] / src / views / versioncontrol / versioncontrolobserver.cpp

diff --git a/src/views/versioncontrol/versioncontrolobserver.cpp b/src/views/versioncontrol/versioncontrolobserver.cpp
index ba83b7515516b7d730945dfb54451ad21b551476..402a2de54c1644169ceae455486050015461ff7e 100644 (file)
--- a/src/views/versioncontrol/versioncontrolobserver.cpp
+++ b/src/views/versioncontrol/versioncontrolobserver.cpp
@@ -21,15 +21,15 @@
 
 #include "dolphin_versioncontrolsettings.h"
 
-#include <KDirLister>
 #include <KLocale>
 #include <KService>
 #include <KServiceTypeTrader>
 #include <kitemviews/kfileitemmodel.h>
-#include <kversioncontrolplugin.h>
+#include <kversioncontrolplugin2.h>
 
 #include "updateitemstatesthread.h"
 
+#include <QFile>
 #include <QMutexLocker>
 #include <QTimer>
 
@@ -87,22 +87,41 @@ KFileItemModel* VersionControlObserver::model() const
     return m_model;
 }
 
-QList<QAction*> VersionControlObserver::contextMenuActions(const KFileItemList& items) const
+QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) const
 {
     QList<QAction*> actions;
-    if (isVersioned() && m_updateItemStatesThread->lockPlugin()) {
-        actions = m_plugin->contextMenuActions(items);
-        m_updateItemStatesThread->unlockPlugin();
+
+    bool hasNullItems = false;
+    foreach (const KFileItem& item, items) {
+        if (item.isNull()) {
+            kWarning() << "Requesting version-control-actions for empty items";
+            hasNullItems = true;
+            break;
+        }
     }
-    return actions;
-}
 
-QList<QAction*> VersionControlObserver::contextMenuActions(const QString& directory) const
-{
-    QList<QAction*> actions;
-    if (isVersioned() && m_updateItemStatesThread->lockPlugin()) {
-        actions = m_plugin->contextMenuActions(directory);
-        m_updateItemStatesThread->unlockPlugin();
+    if (!m_model || hasNullItems) {
+        return actions;
+    }
+
+    KVersionControlPlugin2* pluginV2 = qobject_cast<KVersionControlPlugin2*>(m_plugin);
+    if (pluginV2) {
+        // Use version 2 of the KVersionControlPlugin which allows providing actions
+        // also for non-versioned directories.
+        actions = pluginV2->actions(items);
+    } else if (isVersioned()) {
+        // Support deprecated interfaces from KVersionControlPlugin version 1.
+        // Context menu actions where only available for versioned directories.
+        QString directory;
+        if (items.count() == 1) {
+            const KFileItem rootItem = m_model->rootItem();
+            if (!rootItem.isNull() && items.first().url() == rootItem.url()) {
+                directory = rootItem.url().path(KUrl::AddTrailingSlash);
+            }
+        }
+
+        actions = directory.isEmpty() ? m_plugin->contextMenuActions(items)
+                                      : m_plugin->contextMenuActions(directory);
     }
 
     return actions;
@@ -126,8 +145,8 @@ void VersionControlObserver::verifyDirectory()
         return;
     }
 
-    const KUrl versionControlUrl = m_model->rootDirectory();
-    if (!versionControlUrl.isLocalFile()) {
+    const KFileItem rootItem = m_model->rootItem();
+    if (rootItem.isNull() || !rootItem.url().isLocalFile()) {
         return;
     }
 
@@ -135,10 +154,16 @@ void VersionControlObserver::verifyDirectory()
         m_plugin->disconnect(this);
     }
 
-    m_plugin = searchPlugin(versionControlUrl);
+    m_plugin = searchPlugin(rootItem.url());
     if (m_plugin) {
-        connect(m_plugin, SIGNAL(versionStatesChanged()),
-                this, SLOT(silentDirectoryVerification()));
+        KVersionControlPlugin2* pluginV2 = qobject_cast<KVersionControlPlugin2*>(m_plugin);
+        if (pluginV2) {
+            connect(pluginV2, SIGNAL(itemVersionsChanged()),
+                    this, SLOT(silentDirectoryVerification()));
+        } else {
+            connect(m_plugin, SIGNAL(versionStatesChanged()),
+                    this, SLOT(silentDirectoryVerification()));
+        }
         connect(m_plugin, SIGNAL(infoMessage(QString)),
                 this, SIGNAL(infoMessage(QString)));
         connect(m_plugin, SIGNAL(errorMessage(QString)),
@@ -169,7 +194,7 @@ void VersionControlObserver::slotThreadFinished()
     UpdateItemStatesThread* thread = m_updateItemStatesThread;
     m_updateItemStatesThread = 0; // The thread deletes itself automatically (see updateItemStates())
 
-    if (!m_plugin) {
+    if (!m_plugin || !thread) {
         return;
     }
 
@@ -202,20 +227,12 @@ void VersionControlObserver::slotThreadFinished()
 void VersionControlObserver::updateItemStates()
 {
     Q_ASSERT(m_plugin);
-    if (!m_updateItemStatesThread) {
-        m_updateItemStatesThread = new UpdateItemStatesThread();
-        connect(m_updateItemStatesThread, SIGNAL(finished()),
-                this, SLOT(slotThreadFinished()));
-        connect(m_updateItemStatesThread, SIGNAL(finished()),
-                m_updateItemStatesThread, SLOT(deleteLater()));
-    }
-    if (m_updateItemStatesThread->isRunning()) {
+    if (m_updateItemStatesThread) {
         // An update is currently ongoing. Wait until the thread has finished
         // the update (see slotThreadFinished()).
         m_pendingItemStatesUpdate = true;
         return;
     }
-
     QList<ItemState> itemStates;
     const int itemCount = m_model->count();
     itemStates.reserve(itemCount);
@@ -224,7 +241,7 @@ void VersionControlObserver::updateItemStates()
         ItemState itemState;
         itemState.index = i;
         itemState.item = m_model->fileItem(i);
-        itemState.version = KVersionControlPlugin::UnversionedVersion;
+        itemState.version = KVersionControlPlugin2::UnversionedVersion;
 
         itemStates.append(itemState);
     }
@@ -233,7 +250,12 @@ void VersionControlObserver::updateItemStates()
         if (!m_silentUpdate) {
             emit infoMessage(i18nc("@info:status", "Updating version information..."));
         }
-        m_updateItemStatesThread->setData(m_plugin, itemStates);
+        m_updateItemStatesThread = new UpdateItemStatesThread(m_plugin, itemStates);
+        connect(m_updateItemStatesThread, SIGNAL(finished()),
+                this, SLOT(slotThreadFinished()));
+        connect(m_updateItemStatesThread, SIGNAL(finished()),
+                m_updateItemStatesThread, SLOT(deleteLater()));
+
         m_updateItemStatesThread->start(); // slotThreadFinished() is called when finished
     }
 }
@@ -272,7 +294,6 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const KUrl& director
     // Verify whether the current directory contains revision information
     // like .svn, .git, ...
     foreach (KVersionControlPlugin* plugin, plugins) {
-        // Use the KDirLister cache to check for .svn, .git, ... files
         const QString fileName = directory.path(KUrl::AddTrailingSlash) + plugin->fileName();
         if (QFile::exists(fileName)) {
             return plugin;
@@ -303,7 +324,7 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const KUrl& director
 
 bool VersionControlObserver::isVersioned() const
 {
-    return false; //m_dolphinModel->hasVersionData() && m_plugin;
+    return m_versionedDirectory && m_plugin;
 }
 
 #include "versioncontrolobserver.moc"