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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/android_autofill/browser/form_field_data_android_bridge_impl.h"
#include <string>
#include <string_view>
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/android/jni_weak_ref.h"
#include "base/android/scoped_java_ref.h"
#include "base/containers/span.h"
#include "components/autofill/core/browser/field_types.h"
#include "components/autofill/core/common/autofill_util.h"
#include "components/autofill/core/common/form_field_data.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "components/android_autofill/browser/jni_headers/FormFieldData_jni.h"
namespace autofill {
namespace {
using base::android::ConvertJavaStringToUTF16;
using base::android::ConvertUTF16ToJavaString;
using base::android::ConvertUTF8ToJavaString;
using base::android::ScopedJavaLocalRef;
using base::android::ToJavaArrayOfStrings;
using jni_zero::AttachCurrentThread;
// Converts the `FieldType`s to strings and returns a Java array of strings.
// Returns `nullptr` instead if `server_predictions` is empty.
base::android::ScopedJavaLocalRef<jobjectArray> ToJavaArrayOfPredictionStrings(
JNIEnv* env,
const std::vector<FieldType>& server_predictions) {
if (!server_predictions.empty()) {
std::vector<std::string> server_prediction_array;
server_prediction_array.reserve(server_predictions.size());
for (const auto& p : server_predictions) {
server_prediction_array.emplace_back(FieldTypeToString(p));
}
return ToJavaArrayOfStrings(env, server_prediction_array);
}
return nullptr;
}
} // namespace
FormFieldDataAndroidBridgeImpl::FormFieldDataAndroidBridgeImpl() = default;
FormFieldDataAndroidBridgeImpl::~FormFieldDataAndroidBridgeImpl() = default;
base::android::ScopedJavaLocalRef<jobject>
FormFieldDataAndroidBridgeImpl::GetOrCreateJavaPeer(
const FormFieldData& field,
const FormFieldDataAndroid::FieldTypes& field_types) {
JNIEnv* env = AttachCurrentThread();
if (ScopedJavaLocalRef<jobject> obj = java_ref_.get(env); !obj.is_null()) {
return obj;
}
auto ProjectOptions = [env](base::span<const SelectOption> options,
const auto& projection) {
std::vector<std::u16string> projected_options;
projected_options.reserve(options.size());
std::ranges::transform(options, std::back_inserter(projected_options),
projection);
return ToJavaArrayOfStrings(env, projected_options);
};
ScopedJavaLocalRef<jobject> obj = Java_FormFieldData_createFormFieldData(
env, ConvertUTF16ToJavaString(env, field.name()),
ConvertUTF16ToJavaString(env, field.label()),
ConvertUTF16ToJavaString(env, field.value()),
ConvertUTF8ToJavaString(env, field.autocomplete_attribute()),
field.should_autocomplete(),
ConvertUTF16ToJavaString(env, field.placeholder()),
ConvertUTF8ToJavaString(
env, FormControlTypeToString(field.form_control_type())),
ConvertUTF16ToJavaString(env, field.id_attribute()),
/*optionValues=*/ProjectOptions(field.options(), &SelectOption::value),
/*optionContents=*/
ProjectOptions(field.options(), &SelectOption::text),
IsCheckable(field.check_status()), IsChecked(field.check_status()),
field.max_length(),
/*heuristicType=*/field_types.heuristic_type == UNKNOWN_TYPE
? nullptr
: ConvertUTF8ToJavaString(
env, FieldTypeToStringView(field_types.heuristic_type)),
ConvertUTF8ToJavaString(env,
FieldTypeToStringView(field_types.server_type)),
ConvertUTF8ToJavaString(env, field_types.computed_type),
ToJavaArrayOfPredictionStrings(env, field_types.server_predictions),
field.bounds().x(), field.bounds().y(), field.bounds().right(),
field.bounds().bottom(),
/*datalistValues=*/
ProjectOptions(field.datalist_options(), &SelectOption::value),
/*datalistLabels=*/
ProjectOptions(field.datalist_options(), &SelectOption::text),
/*visible=*/field.IsFocusable(), field.is_autofilled());
java_ref_ = JavaObjectWeakGlobalRef(env, obj);
return obj;
}
void FormFieldDataAndroidBridgeImpl::UpdateFieldFromJava(FormFieldData& field) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null()) {
return;
}
field.set_is_autofilled(Java_FormFieldData_isAutofilled(env, obj));
if (IsCheckable(field.check_status())) {
SetCheckStatus(&field, true, Java_FormFieldData_isChecked(env, obj));
return;
}
if (ScopedJavaLocalRef<jstring> jvalue =
Java_FormFieldData_getValue(env, obj);
!jvalue.is_null()) {
field.set_value(ConvertJavaStringToUTF16(env, jvalue));
}
}
void FormFieldDataAndroidBridgeImpl::UpdateFieldTypes(
const FormFieldDataAndroid::FieldTypes& field_types) {
// TODO(crbug.com/40929724): Investigate why heuristic type is not updated.
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null()) {
return;
}
Java_FormFieldData_updateFieldTypes(
env, obj,
ConvertUTF8ToJavaString(env,
FieldTypeToStringView(field_types.server_type)),
ConvertUTF8ToJavaString(env, field_types.computed_type),
ToJavaArrayOfPredictionStrings(env, field_types.server_predictions));
}
void FormFieldDataAndroidBridgeImpl::UpdateValue(std::u16string_view value) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null()) {
return;
}
Java_FormFieldData_updateValue(env, obj,
ConvertUTF16ToJavaString(env, value));
}
void FormFieldDataAndroidBridgeImpl::UpdateVisible(bool visible) {
JNIEnv* env = AttachCurrentThread();
ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);
if (obj.is_null()) {
return;
}
Java_FormFieldData_updateVisible(env, obj, visible);
}
} // namespace autofill
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