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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef T9WRITEWORKER_H
#define T9WRITEWORKER_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtVirtualKeyboard/qvirtualkeyboardtrace.h>
#include <QThread>
#include <QSemaphore>
#include <QMutex>
#include <QStringList>
#include <QSharedPointer>
#include <QPointer>
#include <QMap>
#include <QList>
#include <QElapsedTimer>
#include "cerence_hwr_p.h"
#include "t9writedictionary_p.h"
QT_BEGIN_NAMESPACE
namespace QtVirtualKeyboard {
class T9WriteTask : public QObject
{
Q_OBJECT
public:
explicit T9WriteTask(QObject *parent = nullptr);
virtual void run() = 0;
void wait();
friend class T9WriteWorker;
protected:
DECUMA_SESSION *decumaSession;
bool cjk;
private:
QSemaphore runSema;
};
class T9WriteDictionaryTask : public T9WriteTask
{
Q_OBJECT
public:
explicit T9WriteDictionaryTask(QSharedPointer<T9WriteAbstractDictionary> dictionary,
bool convertDictionary);
void run();
QSharedPointer<T9WriteAbstractDictionary> dictionary;
QSharedPointer<T9WriteAbstractSource> source;
const QString dictionaryFileName;
bool convertDictionary;
signals:
void completed(QSharedPointer<T9WriteAbstractDictionary> dictionary);
};
class T9WriteAddArcTask : public T9WriteTask
{
Q_OBJECT
public:
explicit T9WriteAddArcTask(QVirtualKeyboardTrace *trace);
void run();
private:
QVirtualKeyboardTrace *trace;
};
class T9WriteRecognitionResult
{
Q_DISABLE_COPY(T9WriteRecognitionResult)
public:
explicit T9WriteRecognitionResult(int id, int maxResults, int maxCharsPerWord);
DECUMA_STATUS status;
QList<DECUMA_HWR_RESULT> results;
DECUMA_UINT16 numResults;
int instantGesture;
const int id;
const int maxResults;
const int maxCharsPerWord;
private:
QList<DECUMA_UNICODE> _chars;
QList<DECUMA_INT16> _symbolChars;
QList<DECUMA_INT16> _symbolStrokes;
};
class T9WriteRecognitionTask : public T9WriteTask
{
Q_OBJECT
public:
explicit T9WriteRecognitionTask(QSharedPointer<T9WriteRecognitionResult> result);
void run();
bool cancelRecognition();
bool checkCancelled();
int resultId() const;
private:
void waitForBackgroundRecognition();
private:
QSharedPointer<T9WriteRecognitionResult> result;
QMutex stateLock;
bool stateCancelled;
QElapsedTimer perf;
};
class T9WriteRecognitionResultsTask : public T9WriteTask
{
Q_OBJECT
public:
explicit T9WriteRecognitionResultsTask(QSharedPointer<T9WriteRecognitionResult> result);
void run();
signals:
void resultsAvailable(const QVariantList &resultList);
void recognitionError(int status);
private:
QSharedPointer<T9WriteRecognitionResult> result;
};
class T9WriteDlmWordTask : public T9WriteTask
{
Q_OBJECT
public:
explicit T9WriteDlmWordTask(QSharedPointer<T9WriteAbstractDictionary> dlmDictionary, const QString &word, const QString &stringStart);
void run();
protected:
void persist();
protected:
QSharedPointer<T9WriteAbstractDictionary> dlmDictionary;
const QString word;
const QString stringStart;
};
class T9WriteDlmRemoveWordTask : public T9WriteDlmWordTask
{
Q_OBJECT
public:
explicit T9WriteDlmRemoveWordTask(QSharedPointer<T9WriteAbstractDictionary> dlmDictionary, const QString &word);
void run();
};
class T9WriteWorker : public QThread
{
Q_OBJECT
public:
explicit T9WriteWorker(DECUMA_SESSION *decumaSession, const bool cjk, QObject *parent = nullptr);
~T9WriteWorker();
void addTask(QSharedPointer<T9WriteTask> task);
int removeTask(QSharedPointer<T9WriteTask> task);
int removeAllTasks();
void waitForAllTasks();
int numberOfPendingTasks();
template <class X>
int removeAllTasks() {
QMutexLocker guard(&taskLock);
int count = 0;
for (int i = 0; i < taskList.size();) {
QSharedPointer<X> task(taskList[i].objectCast<X>());
if (task) {
taskList.removeAt(i);
++count;
} else {
++i;
}
}
return count;
}
template <class X>
void waitForAllTasksOfType() {
QSharedPointer<X> task;
{
QMutexLocker guard(&taskLock);
for (int i = taskList.size() - 1; i >= 0; --i) {
task = taskList[i].objectCast<X>();
if (task)
break;
}
}
if (task)
task->wait();
}
protected:
void run();
private:
QList<QSharedPointer<T9WriteTask> > taskList;
QSemaphore idleSema;
QSemaphore taskSema;
QMutex taskLock;
DECUMA_SESSION *decumaSession;
QBasicAtomicInt abort;
const bool cjk;
};
} // namespace QtVirtualKeyboard
QT_END_NAMESPACE
#endif // T9WRITEWORKER_H
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