Add a progress indicator for the command-line client.

This is considered useful especially for larger projects.
Along the way, fix some progress observer problems uncovered
by this addition.

Change-Id: I520a50d74ca10a1a125b0c11318613c23ffc17d2
Task-number: QBS-156
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>

1 files changed, 71 insertions, 0 deletions

diff --git a/src/lib/buildgraph/artifactvisitor.cpp b/src/lib/buildgraph/artifactvisitor.cpp
new file mode 100644
index 000000000..2c7770e36
--- /dev/null
+++ b/src/lib/buildgraph/artifactvisitor.cpp
@@ -0,0 +1,71 @@
+/****************************************************************************
+**
+** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the Qt Build Suite.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+#include "artifactvisitor.h"
+
+namespace qbs {
+
+ArtifactVisitor::ArtifactVisitor(Artifact::ArtifactType artifactType) : m_artifactType(artifactType)
+{
+}
+
+void ArtifactVisitor::visit(const Artifact *artifact)
+{
+    if (artifact->artifactType == m_artifactType)
+        doVisit(artifact);
+    else if (m_artifactType == Artifact::Generated)
+        return;
+    foreach (const Artifact * const child, artifact->children)
+        visit(child);
+}
+
+void ArtifactVisitor::visit(const BuildProduct::ConstPtr &product)
+{
+    foreach (const Artifact * const artifact, product->targetArtifacts)
+        visit(artifact);
+}
+
+void ArtifactVisitor::visit(const BuildProject::ConstPtr &project)
+{
+    foreach (const BuildProduct::ConstPtr &product, project->buildProducts())
+        visit(product);
+}
+
+void ArtifactVisitor::visit(const QList<BuildProject::ConstPtr> &projects)
+{
+    foreach (const BuildProject::ConstPtr &project, projects)
+        visit(project);
+}
+
+void ArtifactVisitor::visit(const QList<BuildProject::Ptr> &projects)
+{
+    foreach (const BuildProject::ConstPtr &project, projects)
+        visit(project);
+}
+
+} // namespace qbs