qt-everywhere-src-5.15.1/qtquickcontrols/src/controls/Styles/Android/qquickandroidstyle.cpp

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#include "qquickandroidstyle_p.h"
#include <qfileinfo.h>
#include <qfile.h>

QT_BEGIN_NAMESPACE

static QByteArray readFile(const QString &filePath)
{
    QFile file(filePath);
    if (file.open(QFile::ReadOnly | QFile::Text))
        return file.readAll();
    qWarning("QQuickAndroidStyle: failed to read %s", qPrintable(filePath));
    return QByteArray();
}

static QString resolvePath()
{
    QString stylePath(QFile::decodeName(qgetenv("MINISTRO_ANDROID_STYLE_PATH")));
    const QLatin1Char slashChar('/');
    if (!stylePath.isEmpty() && !stylePath.endsWith(slashChar))
        stylePath += slashChar;

    QString androidTheme = QLatin1String(qgetenv("QT_ANDROID_THEME"));
    if (!androidTheme.isEmpty() && !androidTheme.endsWith(slashChar))
        androidTheme += slashChar;

    if (stylePath.isEmpty())
        stylePath = QLatin1String("/data/data/org.kde.necessitas.ministro/files/dl/style/")
                  + QLatin1String(qgetenv("QT_ANDROID_THEME_DISPLAY_DPI")) + slashChar;
    Q_ASSERT(!stylePath.isEmpty());

    if (!androidTheme.isEmpty() && QFileInfo(stylePath + androidTheme + QLatin1String("style.json")).exists())
        stylePath += androidTheme;
    return stylePath;
}

QQuickAndroidStyle1::QQuickAndroidStyle1(QObject *parent) : QObject(parent)
{
    m_path = resolvePath();
}

QByteArray QQuickAndroidStyle1::data() const
{
    if (m_data.isNull() && !m_path.isNull())
        m_data = readFile(m_path + QLatin1String("style.json"));
    return m_data;
}

QUrl QQuickAndroidStyle1::filePath(const QString &fileName) const
{
    if (!fileName.isEmpty())
        return QUrl::fromLocalFile(m_path + QFileInfo(fileName).fileName());
    return {};
}

QColor QQuickAndroidStyle1::colorValue(uint value) const
{
    return QColor::fromRgba(value);
}

QT_END_NAMESPACE