1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
|
// Copyright (C) 2020 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0+ OR GPL-3.0 WITH Qt-GPL-exception-1.0
#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
|