#include "revisioncontrolplugin.h"
#include <kdirlister.h>
+#include <klocale.h>
#include <QAbstractProxyModel>
#include <QAbstractItemView>
+#include <QMutexLocker>
#include <QTimer>
/**
class UpdateItemStatesThread : public QThread
{
public:
- UpdateItemStatesThread(QObject* parent);
+ UpdateItemStatesThread(QObject* parent, QMutex* pluginMutex);
void setData(RevisionControlPlugin* plugin,
const QList<RevisionControlObserver::ItemState>& itemStates);
QList<RevisionControlObserver::ItemState> itemStates() const;
-
+ bool retrievedItems() const;
+
protected:
virtual void run();
private:
+ bool m_retrievedItems;
RevisionControlPlugin* m_plugin;
+ QMutex* m_pluginMutex;
QList<RevisionControlObserver::ItemState> m_itemStates;
};
-UpdateItemStatesThread::UpdateItemStatesThread(QObject* parent) :
- QThread(parent)
+UpdateItemStatesThread::UpdateItemStatesThread(QObject* parent, QMutex* pluginMutex) :
+ QThread(parent),
+ m_retrievedItems(false),
+ m_pluginMutex(pluginMutex),
+ m_itemStates()
{
}
void UpdateItemStatesThread::run()
{
- Q_ASSERT(m_itemStates.count() > 0);
+ Q_ASSERT(!m_itemStates.isEmpty());
Q_ASSERT(m_plugin != 0);
-
- // it is assumed that all items have the same parent directory
- const QString directory = m_itemStates.first().item.url().directory(KUrl::AppendTrailingSlash);
-
+
+ // The items from m_itemStates may be located in different directory levels. The revision
+ // plugin requires the root directory for RevisionControlPlugin::beginRetrieval(). Instead
+ // of doing an expensive search, we utilize the knowledge of the implementation of
+ // RevisionControlObserver::addDirectory() to be sure that the last item contains the root.
+ const QString directory = m_itemStates.last().item.url().directory(KUrl::AppendTrailingSlash);
+
+ QMutexLocker locker(m_pluginMutex);
+ m_retrievedItems = false;
if (m_plugin->beginRetrieval(directory)) {
const int count = m_itemStates.count();
for (int i = 0; i < count; ++i) {
m_itemStates[i].revision = m_plugin->revisionState(m_itemStates[i].item);
}
m_plugin->endRetrieval();
+ m_retrievedItems = true;
}
}
return m_itemStates;
}
-// ---
+bool UpdateItemStatesThread::retrievedItems() const
+{
+ return m_retrievedItems;
+}
+
+// ------------------------------------------------------------------------------------------------
RevisionControlObserver::RevisionControlObserver(QAbstractItemView* view) :
QObject(view),
m_pendingItemStatesUpdate(false),
m_revisionedDirectory(false),
+ m_silentUpdate(false),
m_view(view),
m_dirLister(0),
m_dolphinModel(0),
m_dirVerificationTimer(0),
+ m_pluginMutex(QMutex::Recursive),
m_plugin(0),
m_updateItemStatesThread(0)
{
QAbstractProxyModel* proxyModel = qobject_cast<QAbstractProxyModel*>(view->model());
m_dolphinModel = (proxyModel == 0) ?
- qobject_cast<DolphinModel*>(view->model()) :
- qobject_cast<DolphinModel*>(proxyModel->sourceModel());
+ qobject_cast<DolphinModel*>(view->model()) :
+ qobject_cast<DolphinModel*>(proxyModel->sourceModel());
if (m_dolphinModel != 0) {
m_dirLister = m_dolphinModel->dirLister();
connect(m_dirLister, SIGNAL(completed()),
RevisionControlObserver::~RevisionControlObserver()
{
+ if (m_updateItemStatesThread != 0) {
+ m_updateItemStatesThread->terminate();
+ m_updateItemStatesThread->wait();
+ }
delete m_plugin;
m_plugin = 0;
}
QList<QAction*> RevisionControlObserver::contextMenuActions(const KFileItemList& items) const
{
if (m_dolphinModel->hasRevisionData() && (m_plugin != 0)) {
+ QMutexLocker locker(&m_pluginMutex);
return m_plugin->contextMenuActions(items);
}
+ return QList<QAction*>();
+}
+
+QList<QAction*> RevisionControlObserver::contextMenuActions(const QString& directory) const
+{
+ if (m_dolphinModel->hasRevisionData() && (m_plugin != 0)) {
+ QMutexLocker locker(&m_pluginMutex);
+ return m_plugin->contextMenuActions(directory);
+ }
return QList<QAction*>();
}
void RevisionControlObserver::delayedDirectoryVerification()
{
+ m_silentUpdate = false;
+ m_dirVerificationTimer->start();
+}
+
+void RevisionControlObserver::silentDirectoryVerification()
+{
+ m_silentUpdate = true;
m_dirVerificationTimer->start();
}
if (m_plugin == 0) {
// TODO: just for testing purposes. A plugin approach will be used later.
m_plugin = new SubversionPlugin();
+ connect(m_plugin, SIGNAL(infoMessage(const QString&)),
+ this, SIGNAL(infoMessage(const QString&)));
+ connect(m_plugin, SIGNAL(errorMessage(const QString&)),
+ this, SIGNAL(errorMessage(const QString&)));
+ connect(m_plugin, SIGNAL(operationCompletedMessage(const QString&)),
+ this, SIGNAL(operationCompletedMessage(const QString&)));
}
revisionControlUrl.addPath(m_plugin->fileName());
const KFileItem item = m_dirLister->findByUrl(revisionControlUrl);
- if (item.isNull() && m_revisionedDirectory) {
- // The directory is not versioned. Reset the verification timer to a higher
- // value, so that browsing through non-versioned directories is not slown down
- // by an immediate verification.
- m_dirVerificationTimer->setInterval(500);
- m_revisionedDirectory = false;
- disconnect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
- this, SLOT(delayedDirectoryVerification()));
- disconnect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
- this, SLOT(delayedDirectoryVerification()));
- } else if (!item.isNull()) {
+
+ bool foundRevisionInfo = !item.isNull();
+ if (!foundRevisionInfo && m_revisionedDirectory) {
+ // Revision control systems like Git provide the revision information
+ // file only in the root directory. Check whether the revision information file can
+ // be found in one of the parent directories.
+
+ // TODO...
+ }
+
+ if (foundRevisionInfo) {
if (!m_revisionedDirectory) {
+ m_revisionedDirectory = true;
+
// The directory is versioned. Assume that the user will further browse through
// versioned directories and decrease the verification timer.
m_dirVerificationTimer->setInterval(100);
- m_revisionedDirectory = true;
connect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
this, SLOT(delayedDirectoryVerification()));
connect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
this, SLOT(delayedDirectoryVerification()));
+ connect(m_plugin, SIGNAL(revisionStatesChanged()),
+ this, SLOT(silentDirectoryVerification()));
}
updateItemStates();
+ } else if (m_revisionedDirectory) {
+ m_revisionedDirectory = false;
+
+ // The directory is not versioned. Reset the verification timer to a higher
+ // value, so that browsing through non-versioned directories is not slown down
+ // by an immediate verification.
+ m_dirVerificationTimer->setInterval(500);
+ disconnect(m_dirLister, SIGNAL(refreshItems(const QList<QPair<KFileItem,KFileItem>>&)),
+ this, SLOT(delayedDirectoryVerification()));
+ disconnect(m_dirLister, SIGNAL(newItems(const KFileItemList&)),
+ this, SLOT(delayedDirectoryVerification()));
+ disconnect(m_plugin, SIGNAL(revisionStatesChanged()),
+ this, SLOT(silentDirectoryVerification()));
}
}
void RevisionControlObserver::applyUpdatedItemStates()
{
+ if (!m_updateItemStatesThread->retrievedItems()) {
+ // ignore m_silentUpdate for an error message
+ emit errorMessage(i18nc("@info:status", "Update of revision information failed."));
+ return;
+ }
+
// QAbstractItemModel::setData() triggers a bottleneck in combination with QListView
// (a detailed description of the root cause is given in the class KFilePreviewGenerator
// from kdelibs). To bypass this bottleneck, the signals of the model are temporary blocked.
m_dolphinModel->blockSignals(signalsBlocked);
m_view->viewport()->repaint();
+
+ if (!m_silentUpdate) {
+ // Using an empty message results in clearing the previously shown information message and showing
+ // the default status bar information. This is useful as the user already gets feedback that the
+ // operation has been completed because of the icon emblems.
+ emit operationCompletedMessage(QString());
+ }
if (m_pendingItemStatesUpdate) {
m_pendingItemStatesUpdate = false;
{
Q_ASSERT(m_plugin != 0);
if (m_updateItemStatesThread == 0) {
- m_updateItemStatesThread = new UpdateItemStatesThread(this);
+ m_updateItemStatesThread = new UpdateItemStatesThread(this, &m_pluginMutex);
connect(m_updateItemStatesThread, SIGNAL(finished()),
this, SLOT(applyUpdatedItemStates()));
}
return;
}
- const int rowCount = m_dolphinModel->rowCount();
- if (rowCount > 0) {
- // Build a list of all items in the current directory and delegate
- // this list to the thread, which adjusts the revision states.
- QList<ItemState> itemStates;
- for (int row = 0; row < rowCount; ++row) {
- const QModelIndex index = m_dolphinModel->index(row, DolphinModel::Revision);
-
- ItemState itemState;
- itemState.index = index;
- itemState.item = m_dolphinModel->itemForIndex(index);
- itemState.revision = RevisionControlPlugin::LocalRevision;
-
- itemStates.append(itemState);
+ QList<ItemState> itemStates;
+ addDirectory(QModelIndex(), itemStates);
+ if (!itemStates.isEmpty()) {
+ if (!m_silentUpdate) {
+ emit infoMessage(i18nc("@info:status", "Updating revision information..."));
}
-
m_updateItemStatesThread->setData(m_plugin, itemStates);
m_updateItemStatesThread->start(); // applyUpdatedItemStates() is called when finished
}
}
+void RevisionControlObserver::addDirectory(const QModelIndex& parentIndex, QList<ItemState>& itemStates)
+{
+ const int rowCount = m_dolphinModel->rowCount(parentIndex);
+ for (int row = 0; row < rowCount; ++row) {
+ const QModelIndex index = m_dolphinModel->index(row, DolphinModel::Revision, parentIndex);
+ addDirectory(index, itemStates);
+
+ ItemState itemState;
+ itemState.index = index;
+ itemState.item = m_dolphinModel->itemForIndex(index);
+ itemState.revision = RevisionControlPlugin::UnversionedRevision;
+
+ itemStates.append(itemState);
+ }
+}
+
#include "revisioncontrolobserver.moc"