Connect extract operation to progress calculation.

Ignore senders which are sending 100% more then once, got that from
7z lib at the extracting step.

Task-number: QTIFW-11
Task-number: QTIFW-141

Change-Id: I7750f9e49d5705df91e6c79c7ee2b0530e156e84
Reviewed-by: Karsten Heimrich <karsten.heimrich@digia.com>
Reviewed-by: Tim Jenssen <tim.jenssen@digia.com>

src/libs/installer/extractarchiveoperation.cpp

@@ -75,13 +75,12 @@ bool ExtractArchiveOperation::performOperation()
     Receiver receiver;
     Callback callback;
 
-    // usually we have to connect it as queued connection but then some blocking work is in the main thread
-    connect(&callback, SIGNAL(progressChanged(QString)), this, SLOT(slotProgressChanged(QString)),
-        Qt::DirectConnection);
+    connect(&callback, SIGNAL(currentFileChanged(QString)), this, SLOT(fileFinished(QString)));
+    connect(&callback, SIGNAL(progressChanged(double)), this, SIGNAL(progressChanged(double)));
 
     if (PackageManagerCore *core = this->value(QLatin1String("installer")).value<PackageManagerCore*>()) {
         connect(core, SIGNAL(statusChanged(QInstaller::PackageManagerCore::Status)), &callback,
-            SLOT(statusChanged(QInstaller::PackageManagerCore::Status)), Qt::QueuedConnection);
+            SLOT(statusChanged(QInstaller::PackageManagerCore::Status)));
     }
 
     //Runnable is derived from QRunable which will be deleted by the ThreadPool -> no parent is needed
@@ -125,8 +124,8 @@ bool ExtractArchiveOperation::undoOperation()
     const QStringList files = value(QLatin1String("files")).toStringList();
 
     WorkerThread *const thread = new WorkerThread(this, files);
-    connect(thread, SIGNAL(outputTextChanged(QString)), this, SIGNAL(outputTextChanged(QString)),
-        Qt::QueuedConnection);
+    connect(thread, SIGNAL(currentFileChanged(QString)), this, SIGNAL(outputTextChanged(QString)));
+    connect(thread, SIGNAL(progressChanged(double)), this, SIGNAL(progressChanged(double)));
 
     QEventLoop loop;
     connect(thread, SIGNAL(finished()), &loop, SLOT(quit()), Qt::QueuedConnection);
@@ -149,7 +148,7 @@ Operation *ExtractArchiveOperation::clone() const
 /*!
     This slot is direct connected to the caller so please don't call it from another thread in the same time.
 */
-void ExtractArchiveOperation::slotProgressChanged(const QString &filename)
+void ExtractArchiveOperation::fileFinished(const QString &filename)
 {
     QStringList files = value(QLatin1String("files")).toStringList();
     files.prepend(filename);

src/libs/installer/extractarchiveoperation.h

@@ -64,9 +64,10 @@ public:
 
 Q_SIGNALS:
     void outputTextChanged(const QString &progress);
+    void progressChanged(double);
 
 private Q_SLOTS:
-    void slotProgressChanged(const QString &progress);
+    void fileFinished(const QString &progress);
 
 private:
     class Callback;

src/libs/installer/extractarchiveoperation_p.h

@@ -71,9 +71,12 @@ public:
         ExtractArchiveOperation *const op = m_op;//dynamic_cast< ExtractArchiveOperation* >(parent());
         Q_ASSERT(op != 0);
 
+        int removedCounter = 0;
         foreach (const QString &file, m_files) {
+            removedCounter++;
             const QFileInfo fi(file);
-            emit outputTextChanged(file);
+            emit currentFileChanged(file);
+            emit progressChanged(double(removedCounter) / m_files.count());
             if (fi.isFile() || fi.isSymLink()) {
                 op->deleteFileNowOrLater(fi.absoluteFilePath());
             } else if (fi.isDir()) {
@@ -85,7 +88,8 @@ public:
     }
 
 Q_SIGNALS:
-    void outputTextChanged(const QString &filename);
+    void currentFileChanged(const QString &filename);
+    void progressChanged(double);
 
 private:
     QStringList m_files;
@@ -105,7 +109,8 @@ public:
     Callback() : state(S_OK), createBackups(true) {}
 
 Q_SIGNALS:
-    void progressChanged(const QString &filename);
+    void currentFileChanged(const QString &filename);
+    void progressChanged(double progress);
 
 public Q_SLOTS:
     void statusChanged(QInstaller::PackageManagerCore::Status status)
@@ -130,7 +135,7 @@ public Q_SLOTS:
 protected:
     void setCurrentFile(const QString &filename)
     {
-        emit progressChanged(QDir::toNativeSeparators(filename));
+        emit currentFileChanged(QDir::toNativeSeparators(filename));
     }
 
     static QString generateBackupName(const QString &fn)
@@ -161,8 +166,9 @@ protected:
         return true;
     }
 
-    HRESULT setCompleted(quint64 /*completed*/, quint64 /*total*/)
+    HRESULT setCompleted(quint64 completed, quint64 total)
     {
+        emit progressChanged(double(completed) / total);
         return state;
     }
 };

src/libs/installer/progresscoordinator.cpp

@@ -103,6 +103,14 @@ void ProgressCoordinator::registerPartProgress(QObject *sender, const char *sign
     Q_ASSERT(isConnected);
 }
 
+
+/*!
+    This slot gets the progress changed signals from different tasks. The values 0 and 1 are handled as
+    special values.
+
+    0 - is just ignored, so you can use a timer which gives the progress, e.g. like a downloader does.
+    1 - means the task is finished, even if there comes another 1 from that task, so it will be ignored.
+*/
 void ProgressCoordinator::partProgressChanged(double fraction)
 {
     if (fraction < 0 || fraction > 1) {
@@ -110,6 +118,16 @@ void ProgressCoordinator::partProgressChanged(double fraction)
         return;
     }
 
+    // no fraction no change
+    if (fraction == 0)
+        return;
+
+    // ignore senders sending 100% multiple times
+    if (fraction == 1 && m_senderPendingCalculatedPercentageHash.contains(sender())
+        && m_senderPendingCalculatedPercentageHash.value(sender()) == 0) {
+        return;
+    }
+
     double partProgressSize = m_senderPartProgressSizeHash.value(sender(), 0);
     if (partProgressSize == 0) {
         qWarning() << "It seems that this sender was not registered in the right way:" << sender();
@@ -176,7 +194,7 @@ void ProgressCoordinator::partProgressChanged(double fraction)
 
         m_currentCompletePercentage = newCurrentCompletePercentage;
 
-        if (fraction == 1 || fraction == 0) {
+        if (fraction == 1) {
             m_currentBasePercentage = m_currentBasePercentage + pendingCalculatedPartPercentage;
             m_senderPendingCalculatedPercentageHash.insert(sender(), 0);
         } else {