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#include "qqmlandroidrecycleradapter_p.h"
#include "qtqmlandroidfunctions_p.h"
#include "qqmlandroidview_p.h"
#include <QtQml/qqmlcomponent.h>
#include <QtQml/qqmlcontext.h>
QT_BEGIN_NAMESPACE
QQmlAndroidRecyclerAdapter::QQmlAndroidRecyclerAdapter(QObject *parent) :
QQmlAndroidContextual(parent), m_count(0), m_delegate(0)
{
}
int QQmlAndroidRecyclerAdapter::count() const
{
return m_count;
}
void QQmlAndroidRecyclerAdapter::setCount(int count)
{
if (m_count != count) {
m_count = count;
QtQmlAndroid::callIntMethod(instance(), "setItemCount", count);
emit countChanged();
}
}
QQmlComponent *QQmlAndroidRecyclerAdapter::delegate() const
{
return m_delegate;
}
void QQmlAndroidRecyclerAdapter::setDelegate(QQmlComponent *delegate)
{
if (m_delegate != delegate) {
m_delegate = delegate;
QtQmlAndroid::callVoidMethod(instance(), "notifyDataSetChanged");
emit delegateChanged();
}
}
QAndroidJniObject QQmlAndroidRecyclerAdapter::onCreate()
{
return QAndroidJniObject("qt/android/support/v7/widget/QmlRecyclerAdapter",
"(IJ)V",
m_count,
reinterpret_cast<jlong>(this));
}
void QQmlAndroidRecyclerAdapter::onInflate(QAndroidJniObject &instance)
{
QQmlAndroidContextual::onInflate(instance);
static bool nativeMethodsRegistered = false;
if (!nativeMethodsRegistered) {
onRegisterNativeMethods(instance.object());
nativeMethodsRegistered = true;
}
if (m_count > 0)
instance.callMethod<void>("setItemCount", "(I)V", m_count);
}
void QQmlAndroidRecyclerAdapter::onRegisterNativeMethods(jobject adapter)
{
JNINativeMethod methods[] {{"onCreateViewHolder", "(JLandroid/view/ViewGroup;I)Lqt/android/support/v7/widget/QmlRecyclerAdapter$ViewHolder;", reinterpret_cast<void *>(onCreateViewHolder)},
{"onBindViewHolder", "(JLqt/android/support/v7/widget/QmlRecyclerAdapter$ViewHolder;I)V", reinterpret_cast<void *>(onBindViewHolder)}};
QAndroidJniEnvironment env;
jclass cls = env->GetObjectClass(adapter);
env->RegisterNatives(cls, methods, sizeof(methods) / sizeof(methods[0]));
env->DeleteLocalRef(cls);
}
jobject QQmlAndroidRecyclerAdapter::onCreateViewHolder(JNIEnv *env, jobject object, jlong instance, jobject parent, jint viewType)
{
Q_UNUSED(env);
Q_UNUSED(object);
Q_UNUSED(parent);
Q_UNUSED(viewType);
QQmlAndroidRecyclerAdapter *adapter = reinterpret_cast<QQmlAndroidRecyclerAdapter *>(instance);
if (adapter) {
QQmlAndroidView *item = 0;
QMetaObject::invokeMethod(adapter, "createItem", Qt::BlockingQueuedConnection, Q_RETURN_ARG(QQmlAndroidView *, item));
item->construct();
adapter->m_holders += QAndroidJniObject("qt/android/support/v7/widget/QmlRecyclerAdapter$ViewHolder",
"(Landroid/view/View;J)V",
item->instance().object(),
reinterpret_cast<jlong>(item));
return adapter->m_holders.last().object();
}
return 0;
}
void QQmlAndroidRecyclerAdapter::onBindViewHolder(JNIEnv *env, jobject object, jlong instance, jobject holder, jint position)
{
Q_UNUSED(env);
Q_UNUSED(object);
QQmlAndroidRecyclerAdapter *adapter = reinterpret_cast<QQmlAndroidRecyclerAdapter *>(instance);
if (adapter) {
jlong vi = QAndroidJniObject(holder).callMethod<jlong>("getInstance");
QQmlAndroidView *item = reinterpret_cast<QQmlAndroidView *>(vi);
if (item)
QMetaObject::invokeMethod(adapter, "setItemPosition", Qt::BlockingQueuedConnection, Q_ARG(QQmlAndroidView *, item), Q_ARG(int, position));
}
}
QQmlAndroidView *QQmlAndroidRecyclerAdapter::createItem()
{
QQmlAndroidView *item = 0;
if (m_delegate) {
QQmlContext *creationContext = m_delegate->creationContext();
QQmlContext *context = new QQmlContext(creationContext ? creationContext : qmlContext(this));
QObject *object = m_delegate->beginCreate(context);
if (object) {
context->setParent(object);
item = qobject_cast<QQmlAndroidView *>(object);
if (!item)
delete object;
} else {
delete context;
}
} else {
item = new QQmlAndroidView;
}
if (item) {
item->setContext(context());
item->setParentView(qobject_cast<QQmlAndroidView *>(parent())); // TODO
setItemPosition(item, -1);
}
if (m_delegate)
m_delegate->completeCreate();
return item;
}
void QQmlAndroidRecyclerAdapter::setItemPosition(QQmlAndroidView *item, int position)
{
QQmlContext *context = qmlContext(item);
if (context)
context = context->parentContext();
if (context)
context->setContextProperty("position", position);
}
QT_END_NAMESPACE
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