Clang: Rename directory ipcsource to source

Now it's in accordance with clangrefactoringbackend/source and
clangpchmanagerbackend/source.

Change-Id: I939cfc72cffb8fcde0649f125e6efb6670d1cbc3
Reviewed-by: Tim Jenssen <tim.jenssen@qt.io>

src/tools/clangbackend/source/clangjobqueue.h

@@ -0,0 +1,81 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of Qt Creator.
+**
+** 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 The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 as published by the Free Software
+** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+****************************************************************************/
+
+#pragma once
+
+#include "clangjobrequest.h"
+
+#include <functional>
+
+namespace ClangBackEnd {
+
+class ProjectParts;
+class Documents;
+
+class JobQueue
+{
+public:
+    JobQueue(Documents &documents, ProjectParts &projects);
+
+    bool add(const JobRequest &job);
+
+    JobRequests processQueue();
+
+    using IsJobRunningForTranslationUnitHandler = std::function<bool(const Utf8String &)>;
+    void setIsJobRunningForTranslationUnitHandler(
+            const IsJobRunningForTranslationUnitHandler &isJobRunningHandler);
+
+    using IsJobRunningForJobRequestHandler = std::function<bool(const JobRequest &)>;
+    void setIsJobRunningForJobRequestHandler(
+            const IsJobRunningForJobRequestHandler &isJobRunningHandler);
+
+    using CancelJobRequest = std::function<void(const JobRequest &)>;
+    void setCancelJobRequest(const CancelJobRequest &cancelJobRequest);
+
+public: // for tests
+    JobRequests &queue();
+    int size() const;
+    void prioritizeRequests();
+
+private:
+    void cancelJobRequest(const JobRequest &jobRequest);
+    bool isJobRunningForTranslationUnit(const Utf8String &translationUnitId);
+    bool isJobRunningForJobRequest(const JobRequest &jobRequest);
+    JobRequests takeJobRequestsToRunNow();
+    void removeExpiredRequests();
+    bool isJobRequestExpired(const JobRequest &jobRequest);
+
+private:
+    Documents &m_documents;
+    ProjectParts &m_projectParts;
+
+    IsJobRunningForTranslationUnitHandler m_isJobRunningForTranslationUnitHandler;
+    IsJobRunningForJobRequestHandler m_isJobRunningForJobRequestHandler;
+    CancelJobRequest m_cancelJobRequest;
+
+    JobRequests m_queue;
+};
+
+} // namespace ClangBackEnd