Generic highlighter: Interface for automatic download of available definitions. Refactorings and changes in related parts of the code.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/plugins/texteditor/generichighlighter/definitiondownloader.h b/src/plugins/texteditor/generichighlighter/definitiondownloader.h
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+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef DEFINITIONDOWNLOADER_H
+#define DEFINITIONDOWNLOADER_H
+
+#include <QtCore/QObject>
+#include <QtCore/QString>
+#include <QtCore/QUrl>
+
+QT_BEGIN_NAMESPACE
+class QNetworkReply;
+class QNetworkAccessManager;
+QT_END_NAMESPACE
+
+namespace TextEditor {
+namespace Internal {
+
+class DefinitionDownloader : public QObject
+{
+    Q_OBJECT
+public:
+    DefinitionDownloader(const QUrl &url, const QString &localPath);
+
+    void start();
+
+private:
+    QNetworkReply *getData(QNetworkAccessManager *manager) const;
+    void saveData(QNetworkReply *reply) const;
+
+    QUrl m_url;
+    QString m_localPath;
+};
+
+// Currently QtConcurrent::map does not support passing member functions for sequence of pointers
+// (only works for operator.*) which is the case for the downloaders held by the manager. Then the
+// reason for the following functor. If something is implemented (for example a type traits) to
+// handle operator->* in QtConcurrent::map this functor will not be necessary since it would be
+// possible to directly pass DefinitionDownloader::start.
+struct DownloaderStarter
+{
+    void operator()(DefinitionDownloader *downloader)
+    { downloader->start(); }
+};
+
+} // namespace Internal
+} // namespace TextEditor
+
+#endif // DEFINITIONDOWNLOADER_H