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// Copyright 2016 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "database/src/android/util_android.h"
#include "app/src/include/firebase/future.h"
#include "app/src/include/firebase/log.h"
#include "app/src/include/firebase/variant.h"
#include "app/src/reference_counted_future_impl.h"
#include "app/src/util_android.h"
#include "database/src/android/data_snapshot_android.h"
#include "database/src/android/database_android.h"
#include "database/src/android/mutable_data_android.h"
#include "database/src/include/firebase/database/listener.h"
#include "database/src/include/firebase/database/mutable_data.h"
namespace firebase {
namespace database {
namespace internal {
// Converts a Variant to a java.lang.Object, returned as a local reference.
jobject VariantToJavaObject(JNIEnv* env, const Variant& variant) {
return ::firebase::util::VariantToJavaObject(env, variant);
}
// Converts a java.lang.Object into a Variant.
Variant JavaObjectToVariant(JNIEnv* env, jobject obj) {
return ::firebase::util::JavaObjectToVariant(env, obj);
}
void Callbacks::ChildListenerNativeOnCancelled(JNIEnv* env, jclass clazz,
jlong db_ptr, jlong listener_ptr,
jobject database_error) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ChildListener* listener = reinterpret_cast<ChildListener*>(listener_ptr);
std::string error_msg;
Error error_code =
db->ErrorFromJavaDatabaseError(database_error, &error_msg);
listener->OnCancelled(error_code, error_msg.c_str());
}
}
void Callbacks::ChildListenerNativeOnChildAdded(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong listener_ptr,
jobject data_snapshot,
jobject previous_child_name) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ChildListener* listener = reinterpret_cast<ChildListener*>(listener_ptr);
listener->OnChildAdded(
DataSnapshot(new DataSnapshotInternal(db, data_snapshot)),
previous_child_name
? util::JStringToString(env, previous_child_name).c_str()
: nullptr);
}
}
void Callbacks::ChildListenerNativeOnChildChanged(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong listener_ptr,
jobject data_snapshot,
jobject previous_child_name) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ChildListener* listener = reinterpret_cast<ChildListener*>(listener_ptr);
listener->OnChildChanged(
DataSnapshot(new DataSnapshotInternal(db, data_snapshot)),
previous_child_name
? util::JStringToString(env, previous_child_name).c_str()
: nullptr);
}
}
void Callbacks::ChildListenerNativeOnChildMoved(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong listener_ptr,
jobject data_snapshot,
jobject previous_child_name) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ChildListener* listener = reinterpret_cast<ChildListener*>(listener_ptr);
listener->OnChildMoved(
DataSnapshot(new DataSnapshotInternal(db, data_snapshot)),
previous_child_name
? util::JStringToString(env, previous_child_name).c_str()
: nullptr);
}
}
void Callbacks::ChildListenerNativeOnChildRemoved(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong listener_ptr,
jobject data_snapshot) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ChildListener* listener = reinterpret_cast<ChildListener*>(listener_ptr);
listener->OnChildRemoved(
DataSnapshot(new DataSnapshotInternal(db, data_snapshot)));
}
}
void Callbacks::ValueListenerNativeOnCancelled(JNIEnv* env, jclass clazz,
jlong db_ptr, jlong listener_ptr,
jobject database_error) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ValueListener* listener = reinterpret_cast<ValueListener*>(listener_ptr);
std::string error_msg;
Error error_code =
db->ErrorFromJavaDatabaseError(database_error, &error_msg);
listener->OnCancelled(error_code, error_msg.c_str());
}
}
void Callbacks::ValueListenerNativeOnDataChange(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong listener_ptr,
jobject data_snapshot,
jobject previous_child_name) {
if (db_ptr != 0 && listener_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
ValueListener* listener = reinterpret_cast<ValueListener*>(listener_ptr);
listener->OnValueChanged(
DataSnapshot(new DataSnapshotInternal(db, data_snapshot)));
}
}
jobject Callbacks::TransactionHandlerDoTransaction(JNIEnv* env, jclass clazz,
jlong db_ptr,
jlong transaction_data_ptr,
jobject java_mutable_data) {
if (db_ptr != 0 && transaction_data_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
TransactionData* data =
reinterpret_cast<TransactionData*>(transaction_data_ptr);
DoTransactionWithContext user_func = data->transaction;
MutableData mutable_data = MutableDataInternal::MakeMutableData(
new MutableDataInternal(db, java_mutable_data));
TransactionResult result = user_func(&mutable_data, data->context);
if (result == kTransactionResultSuccess) {
return java_mutable_data;
} else {
return nullptr;
}
}
return nullptr;
}
void Callbacks::TransactionHandlerOnComplete(
JNIEnv* env, jclass clazz, jlong db_ptr, jlong transaction_data_ptr,
jobject database_error, jboolean was_committed, jobject data_snapshot) {
if (db_ptr != 0 && transaction_data_ptr != 0) {
DatabaseInternal* db = reinterpret_cast<DatabaseInternal*>(db_ptr);
TransactionData* data =
reinterpret_cast<TransactionData*>(transaction_data_ptr);
if (was_committed) {
// Transaction success!
jobject data_snapshot_global = env->NewGlobalRef(data_snapshot);
data->future->Complete<DataSnapshot>(
data->handle, kErrorNone, "",
[db, data_snapshot_global](DataSnapshot* result) {
*result = DataSnapshot(
new DataSnapshotInternal(db, data_snapshot_global));
db->GetApp()->GetJNIEnv()->DeleteGlobalRef(data_snapshot_global);
});
} else if (database_error == nullptr) {
jobject data_snapshot_global = env->NewGlobalRef(data_snapshot);
data->future->Complete<DataSnapshot>(
data->handle, kErrorTransactionAbortedByUser,
"The transaction was aborted, because the transaction function "
"returned kTransactionResultAbort.",
[db, data_snapshot_global](DataSnapshot* result) {
*result = DataSnapshot(
new DataSnapshotInternal(db, data_snapshot_global));
db->GetApp()->GetJNIEnv()->DeleteGlobalRef(data_snapshot_global);
});
} else {
// Future error.
std::string error_message;
Error error =
db->ErrorFromJavaDatabaseError(database_error, &error_message);
data->future->Complete(data->handle, error, error_message.c_str());
}
jobject java_handler_global = data->java_handler;
db->DeleteJavaTransactionHandler(java_handler_global); // deletes `data`.
}
}
} // namespace internal
} // namespace database
} // namespace firebase