BuildManager: Only pop up build issues if there are relevant issues.

Previously it also poped up and showed a build failure if there were
any error-type tasks in 'My Tasks', 'Analyser' or 'QML'.

Change-Id: Ie86be0afe1f0b7571b2cb764b7c53f282183b513
Reviewed-on: http://codereview.qt.nokia.com/2807
Reviewed-by: Tobias Hunger <tobias.hunger@nokia.com>

src/plugins/projectexplorer/buildmanager.cpp

@@ -228,7 +228,9 @@ void BuildManager::cancel()
 void BuildManager::updateTaskCount()
 {
     Core::ProgressManager *progressManager = Core::ICore::instance()->progressManager();
-    const int errors = d->m_taskWindow->errorTaskCount();
+    const int errors =
+            d->m_taskWindow->errorTaskCount(Constants::TASK_CATEGORY_BUILDSYSTEM)
+            + d->m_taskWindow->errorTaskCount(Constants::TASK_CATEGORY_COMPILE);
     if (errors > 0) {
         progressManager->setApplicationLabel(QString::number(errors));
     } else {
@@ -287,7 +289,10 @@ void BuildManager::toggleTaskWindow()
 
 bool BuildManager::tasksAvailable() const
 {
-    return d->m_taskWindow->taskCount() > 0;
+    const int count =
+            d->m_taskWindow->taskCount(Constants::TASK_CATEGORY_BUILDSYSTEM)
+            + d->m_taskWindow->taskCount(Constants::TASK_CATEGORY_COMPILE);
+    return count > 0;
 }
 
 void BuildManager::startBuildQueue()
@@ -327,7 +332,7 @@ void BuildManager::startBuildQueue()
 
 void BuildManager::showBuildResults()
 {
-    if (d->m_taskWindow->taskCount() != 0)
+    if (tasksAvailable())
         toggleTaskWindow();
     else
         toggleOutputWindow();

src/plugins/projectexplorer/taskwindow.cpp

@@ -876,19 +876,38 @@ void TaskWindow::filterCategoryTriggered(QAction *action)
     setCategoryVisibility(categoryId, action->isChecked());
 }
 
-int TaskWindow::taskCount() const
+int TaskWindow::taskCount(const QString &category) const
 {
+    if (category.isEmpty())
         return d->m_model->taskCount();
+
+    return d->m_model->tasks(category).size();
 }
 
-int TaskWindow::errorTaskCount() const
+int TaskWindow::errorTaskCount(const QString &category) const
 {
+    if (category.isEmpty())
         return d->m_model->errorTaskCount();
+
+    int count = 0;
+    foreach (const Task &task, d->m_model->tasks(category)) {
+        if (task.type == Task::Error)
+            ++count;
+    }
+    return count;
 }
 
-int TaskWindow::warningTaskCount() const
+int TaskWindow::warningTaskCount(const QString &category) const
 {
+    if (category.isEmpty())
         return d->m_model->warningTaskCount();
+
+    int count = 0;
+    foreach (const Task &task, d->m_model->tasks(category)) {
+        if (task.type == Task::Warning)
+            ++count;
+    }
+    return count;
 }
 
 int TaskWindow::priorityInStatusBar() const

src/plugins/projectexplorer/taskwindow.h

@@ -57,9 +57,9 @@ public:
     TaskWindow(ProjectExplorer::TaskHub *taskHub);
     virtual ~TaskWindow();
 
-    int taskCount() const;
-    int warningTaskCount() const;
-    int errorTaskCount() const;
+    int taskCount(const QString &category = QString()) const;
+    int warningTaskCount(const QString &category = QString()) const;
+    int errorTaskCount(const QString &category = QString()) const;
 
     // IOutputPane
     QWidget *outputWidget(QWidget *);