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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "content/browser/android/message_payload.h"
#include <string>
#include <utility>
#include "base/android/jni_android.h"
#include "base/android/jni_array.h"
#include "base/android/jni_string.h"
#include "base/android/scoped_java_ref.h"
#include "base/functional/overloaded.h"
#include "base/notreached.h"
#include "content/public/android/content_jni_headers/MessagePayloadJni_jni.h"
#include "third_party/abseil-cpp/absl/types/variant.h"
#include "third_party/blink/public/common/messaging/string_message_codec.h"
#include "third_party/blink/public/common/messaging/transferable_message.h"
namespace content::android {
base::android::ScopedJavaLocalRef<jobject> ConvertWebMessagePayloadToJava(
const blink::WebMessagePayload& payload) {
JNIEnv* env = base::android::AttachCurrentThread();
return absl::visit(
base::Overloaded{
[env](const std::u16string& str) {
return Java_MessagePayloadJni_createFromString(
env, base::android::ConvertUTF16ToJavaString(env, str));
},
[env](const std::vector<uint8_t>& array_buffer) {
return Java_MessagePayloadJni_createFromArrayBuffer(
env, base::android::ToJavaByteArray(env, array_buffer.data(),
array_buffer.size()));
},
},
payload);
}
blink::WebMessagePayload ConvertToWebMessagePayloadFromJava(
const base::android::ScopedJavaLocalRef<jobject>& java_message) {
CHECK(java_message);
JNIEnv* env = base::android::AttachCurrentThread();
const MessagePayloadType type = static_cast<MessagePayloadType>(
Java_MessagePayloadJni_getType(env, java_message));
switch (type) {
case MessagePayloadType::kString: {
return base::android::ConvertJavaStringToUTF16(
Java_MessagePayloadJni_getAsString(env, java_message));
}
case MessagePayloadType::kArrayBuffer: {
auto byte_array =
Java_MessagePayloadJni_getAsArrayBuffer(env, java_message);
std::vector<uint8_t> vector;
base::android::JavaByteArrayToByteVector(env, byte_array, &vector);
return vector;
}
case MessagePayloadType::kInvalid:
break;
}
NOTREACHED() << "Unsupported or invalid Java MessagePayload type.";
return std::u16string();
}
} // namespace content::android
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