| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 Lesser General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU Lesser |
| ** General Public License version 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** 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-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| // |
| // 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. |
| // |
| |
| #ifndef QJNI_P_H |
| #define QJNI_P_H |
| |
| #include <jni.h> |
| #include <QtCore/private/qglobal_p.h> |
| #include <QtCore/qsharedpointer.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| struct Q_CORE_EXPORT QJNILocalRefDeleter |
| { |
| static void cleanup(jobject obj); |
| }; |
| |
| // To simplify this we only define it for jobjects. |
| typedef QScopedPointer<_jobject, QJNILocalRefDeleter> QJNIScopedLocalRef; |
| |
| class Q_CORE_EXPORT QJNIEnvironmentPrivate |
| { |
| public: |
| QJNIEnvironmentPrivate(); |
| ~QJNIEnvironmentPrivate(); |
| JNIEnv *operator->(); |
| operator JNIEnv*() const; |
| static jclass findClass(const char *className, JNIEnv *env = 0); |
| |
| private: |
| friend class QAndroidJniEnvironment; |
| Q_DISABLE_COPY_MOVE(QJNIEnvironmentPrivate) |
| JNIEnv *jniEnv; |
| }; |
| |
| class Q_CORE_EXPORT QJNIObjectData |
| { |
| public: |
| QJNIObjectData(); |
| ~QJNIObjectData(); |
| jobject m_jobject; |
| jclass m_jclass; |
| bool m_own_jclass; |
| QByteArray m_className; |
| }; |
| |
| class Q_CORE_EXPORT QJNIObjectPrivate |
| { |
| public: |
| QJNIObjectPrivate(); |
| explicit QJNIObjectPrivate(const char *className); |
| QJNIObjectPrivate(const char *className, const char *sig, ...); |
| explicit QJNIObjectPrivate(jclass clazz); |
| QJNIObjectPrivate(jclass clazz, const char *sig, ...); |
| // In most cases you should never call this function with a local ref. unless you intend |
| // to manage the local ref. yourself. |
| // NOTE: see fromLocalRef() for converting a local ref. to QJNIObjectPrivate. |
| explicit QJNIObjectPrivate(jobject globalRef); |
| |
| template <typename T> |
| T callMethod(const char *methodName, |
| const char *sig, |
| ...) const; |
| template <typename T> |
| T callMethod(const char *methodName) const; |
| template <typename T> |
| QJNIObjectPrivate callObjectMethod(const char *methodName) const; |
| QJNIObjectPrivate callObjectMethod(const char *methodName, |
| const char *sig, |
| ...) const; |
| template <typename T> |
| static T callStaticMethod(const char *className, |
| const char *methodName, |
| const char *sig, ...); |
| template <typename T> |
| static T callStaticMethod(const char *className, |
| const char *methodName); |
| template <typename T> |
| static T callStaticMethod(jclass clazz, |
| const char *methodName, |
| const char *sig, ...); |
| template <typename T> |
| static T callStaticMethod(jclass clazz, |
| const char *methodName); |
| static QJNIObjectPrivate callStaticObjectMethod(const char *className, |
| const char *methodName, |
| const char *sig, ...); |
| |
| static QJNIObjectPrivate callStaticObjectMethod(jclass clazz, |
| const char *methodName, |
| const char *sig, ...); |
| |
| template <typename T> |
| T getField(const char *fieldName) const; |
| template <typename T> |
| static T getStaticField(const char *className, const char *fieldName); |
| template <typename T> |
| static T getStaticField(jclass clazz, const char *fieldName); |
| |
| QJNIObjectPrivate getObjectField(const char *fieldName, const char *sig) const; |
| static QJNIObjectPrivate getStaticObjectField(const char *className, |
| const char *fieldName, |
| const char *sig); |
| static QJNIObjectPrivate getStaticObjectField(jclass clazz, |
| const char *fieldName, |
| const char *sig); |
| |
| template <typename T> |
| void setField(const char *fieldName, T value); |
| template <typename T> |
| void setField(const char *fieldName, const char *sig, T value); |
| template <typename T> |
| static void setStaticField(const char *className, |
| const char *fieldName, |
| T value); |
| template <typename T> |
| static void setStaticField(const char *className, |
| const char *fieldName, |
| const char *sig, |
| T value); |
| template <typename T> |
| static void setStaticField(jclass clazz, |
| const char *fieldName, |
| const char *sig, |
| T value); |
| |
| template <typename T> |
| static void setStaticField(jclass clazz, |
| const char *fieldName, |
| T value); |
| |
| static QJNIObjectPrivate fromString(const QString &string); |
| QString toString() const; |
| |
| static bool isClassAvailable(const char *className); |
| bool isValid() const; |
| jobject object() const { return d->m_jobject; } |
| |
| template <typename T> |
| inline QJNIObjectPrivate &operator=(T o) |
| { |
| jobject jobj = static_cast<jobject>(o); |
| if (!isSameObject(jobj)) { |
| d = QSharedPointer<QJNIObjectData>::create(); |
| if (jobj) { |
| QJNIEnvironmentPrivate env; |
| d->m_jobject = env->NewGlobalRef(jobj); |
| jclass objectClass = env->GetObjectClass(jobj); |
| d->m_jclass = static_cast<jclass>(env->NewGlobalRef(objectClass)); |
| env->DeleteLocalRef(objectClass); |
| } |
| } |
| |
| return *this; |
| } |
| |
| // This function takes ownership of the jobject and releases the local ref. before returning. |
| static QJNIObjectPrivate fromLocalRef(jobject lref); |
| |
| private: |
| friend class QAndroidJniObject; |
| |
| struct QVaListPrivate { operator va_list &() const { return m_args; } va_list &m_args; }; |
| |
| QJNIObjectPrivate(const char *className, const char *sig, const QVaListPrivate &args); |
| QJNIObjectPrivate(jclass clazz, const char *sig, const QVaListPrivate &args); |
| |
| template <typename T> |
| T callMethodV(const char *methodName, |
| const char *sig, |
| va_list args) const; |
| QJNIObjectPrivate callObjectMethodV(const char *methodName, |
| const char *sig, |
| va_list args) const; |
| template <typename T> |
| static T callStaticMethodV(const char *className, |
| const char *methodName, |
| const char *sig, |
| va_list args); |
| template <typename T> |
| static T callStaticMethodV(jclass clazz, |
| const char *methodName, |
| const char *sig, |
| va_list args); |
| static QJNIObjectPrivate callStaticObjectMethodV(const char *className, |
| const char *methodName, |
| const char *sig, |
| va_list args); |
| |
| static QJNIObjectPrivate callStaticObjectMethodV(jclass clazz, |
| const char *methodName, |
| const char *sig, |
| va_list args); |
| |
| bool isSameObject(jobject obj) const; |
| bool isSameObject(const QJNIObjectPrivate &other) const; |
| |
| friend bool operator==(const QJNIObjectPrivate &, const QJNIObjectPrivate &); |
| friend bool operator!=(const QJNIObjectPrivate&, const QJNIObjectPrivate&); |
| template <typename T> friend bool operator!=(const QJNIObjectPrivate&, T); |
| template <typename T> friend bool operator==(const QJNIObjectPrivate&, T); |
| template <typename T> friend bool operator!=(T, const QJNIObjectPrivate&); |
| template <typename T> friend bool operator==(T, const QJNIObjectPrivate&); |
| |
| QSharedPointer<QJNIObjectData> d; |
| }; |
| |
| inline bool operator==(const QJNIObjectPrivate&obj1, const QJNIObjectPrivate&obj2) |
| { |
| return obj1.isSameObject(obj2); |
| } |
| |
| inline bool operator!=(const QJNIObjectPrivate&obj1, const QJNIObjectPrivate&obj2) |
| { |
| return !obj1.isSameObject(obj2); |
| } |
| |
| template <typename T> |
| inline bool operator==(const QJNIObjectPrivate &obj1, T obj2) |
| { |
| return obj1.isSameObject(static_cast<jobject>(obj2)); |
| } |
| |
| template <typename T> |
| inline bool operator==(T obj1, const QJNIObjectPrivate &obj2) |
| { |
| return obj2.isSameObject(static_cast<jobject>(obj1)); |
| } |
| |
| template <typename T> |
| inline bool operator!=(const QJNIObjectPrivate &obj1, T obj2) |
| { |
| return !obj1.isSameObject(obj2); |
| } |
| |
| template <typename T> |
| inline bool operator!=(T obj1, const QJNIObjectPrivate &obj2) |
| { |
| return !obj2.isSameObject(obj1); |
| } |
| |
| QT_END_NAMESPACE |
| |
| #endif // QJNI_P_H |
