123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103 | // Copyright (C) 2024 The Qt Company Ltd.// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only#include <QtCore/private/qandroiditemmodelproxy_p.h>#include <QtCore/private/qandroidmodelindexproxy_p.h>#include <QtCore/private/qandroidtypeconverter_p.h>#include <QtCore/qjniarray.h> QT_BEGIN_NAMESPACE using namespace QtJniTypes; QModelIndex QAndroidModelIndexProxy::qInstance(JQtModelIndex jModelIndex){if(!jModelIndex.isValid())returnQModelIndex();const QJniArray<jlong> jPrivateArray = jModelIndex.getField<jlong[]>("m_privateData");constauto privateData = jPrivateArray.toContainer();Q_ASSERT(privateData.size() ==4);const jlong modelReference = privateData[3];if(!modelReference)returnQModelIndex();const jint row = privateData[0];const jint column = privateData[1]; QAbstractItemModel *model =reinterpret_cast<QAbstractItemModel *>(modelReference); QAndroidItemModelProxy *proxyModel = qobject_cast<QAndroidItemModelProxy *>(model);// If the native model instance is a proxy we have access to the protected function// createIndex(). Else, if the native instance is not a results Java->Qt proxy, we// use index() to get the QModelIndex.if(proxyModel) {const jint internalId = privateData[2];return proxyModel->createIndex(row, column, internalId);}else{const JQtModelIndex parent = jModelIndex.getField<JQtModelIndex>("m_parent");if(parent.isValid())return model->index(row, column,QAndroidModelIndexProxy::qInstance(parent));}returnQModelIndex();} JQtModelIndex QAndroidModelIndexProxy::jInstance(QModelIndex modelIndex){if(!modelIndex.isValid())returnJQtModelIndex();bool isModelProxy = qobject_cast<const QAndroidItemModelProxy *>(modelIndex.model());if(isModelProxy)returnJQtModelIndex(modelIndex.row(), modelIndex.column(),jlong(modelIndex.internalId()),reinterpret_cast<jlong>(modelIndex.model()));elsereturnJQtModelIndex(modelIndex.row(), modelIndex.column(),QAndroidModelIndexProxy::jInstance(modelIndex.parent()),reinterpret_cast<jlong>(modelIndex.model()));} jobject QAndroidModelIndexProxy::data(JNIEnv *env, jobject object,int role){Q_ASSERT(env);Q_ASSERT(object); QModelIndex modelIndex =qInstance(object);if(!modelIndex.isValid())returnnullptr;returnQAndroidTypeConverter::toJavaObject(modelIndex.model()->data(modelIndex, role), env);} jlong QAndroidModelIndexProxy::internalId(JNIEnv *env, jobject object){Q_ASSERT(env);Q_ASSERT(object);returnqInstance(object).internalId();}; jboolean QAndroidModelIndexProxy::isValid(JNIEnv *env, jobject object){Q_ASSERT(env);Q_ASSERT(object);returnqInstance(object).isValid();} JQtModelIndex QAndroidModelIndexProxy::parent(JNIEnv *env, jobject object){Q_ASSERT(env);Q_ASSERT(object);returnjInstance(qInstance(object).parent());};boolQAndroidModelIndexProxy::registerNatives(QJniEnvironment &env){return env.registerNativeMethods( Traits<JQtModelIndex>::className(),{Q_JNI_NATIVE_SCOPED_METHOD(data, QAndroidModelIndexProxy),Q_JNI_NATIVE_SCOPED_METHOD(internalId, QAndroidModelIndexProxy),Q_JNI_NATIVE_SCOPED_METHOD(isValid, QAndroidModelIndexProxy),Q_JNI_NATIVE_SCOPED_METHOD(parent, QAndroidModelIndexProxy) });} QT_END_NAMESPACE
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