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/****************************************************************************
**
** Copyright (C) 2020 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 "imagecachegeneratorinterface.h"
#include <imagecacheauxiliarydata.h>
#include <utils/smallstring.h>
#include <QThread>
#include <deque>
#include <memory>
#include <mutex>
QT_BEGIN_NAMESPACE
class QPlainTextEdit;
QT_END_NAMESPACE
namespace QmlDesigner {
class ImageCacheCollectorInterface;
class ImageCacheStorageInterface;
class ImageCacheGenerator final : public ImageCacheGeneratorInterface
{
public:
ImageCacheGenerator(ImageCacheCollectorInterface &collector, ImageCacheStorageInterface &storage);
~ImageCacheGenerator();
void generateImage(Utils::SmallStringView filePath,
Utils::SmallStringView extraId,
Sqlite::TimeStamp timeStamp,
ImageCache::CaptureImageWithSmallImageCallback &&captureCallback,
ImageCache::AbortCallback &&abortCallback,
ImageCache::AuxiliaryData &&auxiliaryData) override;
void clean() override;
void waitForFinished() override;
private:
struct Task
{
Task() = default;
Task(Utils::SmallStringView filePath,
Utils::SmallStringView extraId,
ImageCache::AuxiliaryData &&auxiliaryData,
Sqlite::TimeStamp timeStamp,
ImageCache::CaptureImageWithSmallImageCallback &&captureCallback,
ImageCache::AbortCallback &&abortCallback)
: filePath(filePath)
, extraId(std::move(extraId))
, auxiliaryData(std::move(auxiliaryData))
, captureCallbacks({std::move(captureCallback)})
, abortCallbacks({std::move(abortCallback)})
, timeStamp(timeStamp)
{}
Utils::PathString filePath;
Utils::SmallString extraId;
ImageCache::AuxiliaryData auxiliaryData;
std::vector<ImageCache::CaptureImageWithSmallImageCallback> captureCallbacks;
std::vector<ImageCache::AbortCallback> abortCallbacks;
Sqlite::TimeStamp timeStamp;
};
void startGeneration();
void waitForEntries();
void stopThread();
bool isRunning();
private:
private:
std::unique_ptr<QThread> m_backgroundThread;
mutable std::mutex m_mutex;
std::condition_variable m_condition;
std::deque<Task> m_tasks;
ImageCacheCollectorInterface &m_collector;
ImageCacheStorageInterface &m_storage;
bool m_finishing{false};
};
} // namespace QmlDesigner
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