Fixes multiple VCS plugin calls on single directory update.

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

diff --git a/src/views/versioncontrol/versioncontrolobserver.cpp b/src/views/versioncontrol/versioncontrolobserver.cpp
index 459bef0e9fa5e03c67189b2af0a67425738f3632..65c13ef7d31760002ab63eaf93f9ea87793455a2 100644 (file)
--- a/src/views/versioncontrol/versioncontrolobserver.cpp
+++ b/src/views/versioncontrol/versioncontrolobserver.cpp
@@ -20,14 +20,14 @@
 #include "versioncontrolobserver.h"
 
 #include "dolphin_versioncontrolsettings.h"
+#include "dolphindebug.h"
+#include "views/dolphinview.h"
+#include "kitemviews/kfileitemmodel.h"
+#include "updateitemstatesthread.h"
 
 #include <KLocalizedString>
 #include <KService>
-#include "dolphindebug.h"
 #include <KServiceTypeTrader>
-#include <kitemviews/kfileitemmodel.h>
-
-#include "updateitemstatesthread.h"
 
 #include <QTimer>
 
@@ -36,8 +36,10 @@ VersionControlObserver::VersionControlObserver(QObject* parent) :
     m_pendingItemStatesUpdate(false),
     m_versionedDirectory(false),
     m_silentUpdate(false),
+    m_view(nullptr),
     m_model(nullptr),
     m_dirVerificationTimer(nullptr),
+    m_pluginsInitialized(false),
     m_plugin(nullptr),
     m_updateItemStatesThread(nullptr)
 {
@@ -67,7 +69,7 @@ void VersionControlObserver::setModel(KFileItemModel* model)
         disconnect(m_model, &KFileItemModel::itemsInserted,
                    this, &VersionControlObserver::delayedDirectoryVerification);
         disconnect(m_model, &KFileItemModel::itemsChanged,
-                   this, &VersionControlObserver::delayedDirectoryVerification);
+                   this, &VersionControlObserver::slotItemsChanged);
     }
 
     m_model = model;
@@ -76,7 +78,7 @@ void VersionControlObserver::setModel(KFileItemModel* model)
         connect(m_model, &KFileItemModel::itemsInserted,
                 this, &VersionControlObserver::delayedDirectoryVerification);
         connect(m_model, &KFileItemModel::itemsChanged,
-                this, &VersionControlObserver::delayedDirectoryVerification);
+                this, &VersionControlObserver::slotItemsChanged);
     }
 }
 
@@ -85,6 +87,26 @@ KFileItemModel* VersionControlObserver::model() const
     return m_model;
 }
 
+void VersionControlObserver::setView(DolphinView* view)
+{
+    if (m_view) {
+        disconnect(m_view, &DolphinView::activated,
+                   this, &VersionControlObserver::delayedDirectoryVerification);
+    }
+
+    m_view = view;
+
+    if (m_view) {
+        connect(m_view, &DolphinView::activated,
+                this, &VersionControlObserver::delayedDirectoryVerification);
+    }
+}
+
+DolphinView* VersionControlObserver::view() const
+{
+    return m_view;
+}
+
 QList<QAction*> VersionControlObserver::actions(const KFileItemList& items) const
 {
     bool hasNullItems = false;
@@ -115,6 +137,18 @@ void VersionControlObserver::silentDirectoryVerification()
     m_dirVerificationTimer->start();
 }
 
+void VersionControlObserver::slotItemsChanged(const KItemRangeList& itemRanges, const QSet<QByteArray>& roles)
+{
+    Q_UNUSED(itemRanges)
+
+    // Because "version" role is emitted by VCS plugin (ourselfs) we don't need to
+    // analyze it and update directory item states information. So lets check if
+    // there is only "version".
+    if ( !(roles.count() == 1 && roles.contains("version")) ) {
+        delayedDirectoryVerification();
+    }
+}
+
 void VersionControlObserver::verifyDirectory()
 {
     if (!m_model) {
@@ -249,7 +283,7 @@ int VersionControlObserver::createItemStatesList(QMap<QString, QVector<ItemState
         }
     }
 
-    if (items.count() > 0) {
+    if (!items.isEmpty()) {
         const QUrl& url = items.first().first.url();
         itemStates.insert(url.adjusted(QUrl::RemoveFilename).path(), items);
     }
@@ -257,18 +291,9 @@ int VersionControlObserver::createItemStatesList(QMap<QString, QVector<ItemState
     return index - firstIndex; // number of processed items
 }
 
-KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& directory) const
+KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& directory)
 {
-    static bool pluginsAvailable = true;
-    static QList<KVersionControlPlugin*> plugins;
-
-    if (!pluginsAvailable) {
-        // A searching for plugins has already been done, but no
-        // plugins are installed
-        return nullptr;
-    }
-
-    if (plugins.isEmpty()) {
+    if (!m_pluginsInitialized) {
         // No searching for plugins has been done yet. Query the KServiceTypeTrader for
         // all fileview version control plugins and remember them in 'plugins'.
         const QStringList enabledPlugins = VersionControlSettings::enabledPlugins();
@@ -276,16 +301,19 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& director
         const KService::List pluginServices = KServiceTypeTrader::self()->query(QStringLiteral("FileViewVersionControlPlugin"));
         for (KService::List::ConstIterator it = pluginServices.constBegin(); it != pluginServices.constEnd(); ++it) {
             if (enabledPlugins.contains((*it)->name())) {
-                KVersionControlPlugin* plugin = (*it)->createInstance<KVersionControlPlugin>();
+                KVersionControlPlugin* plugin = (*it)->createInstance<KVersionControlPlugin>(this);
                 if (plugin) {
-                    plugins.append(plugin);
+                    m_plugins.append(plugin);
                 }
             }
         }
-        if (plugins.isEmpty()) {
-            pluginsAvailable = false;
-            return nullptr;
-        }
+        m_pluginsInitialized = true;
+    }
+
+    if (m_plugins.empty()) {
+        // A searching for plugins has already been done, but no
+        // plugins are installed
+        return nullptr;
     }
 
     // We use the number of upUrl() calls to find the best matching plugin
@@ -295,7 +323,7 @@ KVersionControlPlugin* VersionControlObserver::searchPlugin(const QUrl& director
 
     // Verify whether the current directory contains revision information
     // like .svn, .git, ...
-    foreach (KVersionControlPlugin* plugin, plugins) {
+    foreach (KVersionControlPlugin* plugin, m_plugins) {
         const QString fileName = directory.path() + '/' + plugin->fileName();
         if (QFile::exists(fileName)) {
             // The score of this plugin is 0 (best), so we can just return this plugin,