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media / midi / midi_device_android.cc [blame]
// Copyright 2015 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "media/midi/midi_device_android.h"
#include <memory>
#include <string>
#include "base/android/jni_string.h"
#include "media/midi/midi_output_port_android.h"
// Must come after all headers that specialize FromJniType() / ToJniType().
#include "media/midi/midi_jni_headers/MidiDeviceAndroid_jni.h"
using base::android::JavaRef;
using base::android::ScopedJavaLocalRef;
namespace midi {
namespace {
std::string ConvertMaybeJavaString(JNIEnv* env,
const base::android::JavaRef<jstring>& str) {
if (!str.obj())
return std::string();
return base::android::ConvertJavaStringToUTF8(str);
}
}
MidiDeviceAndroid::MidiDeviceAndroid(JNIEnv* env,
const JavaRef<jobject>& raw_device,
MidiInputPortAndroid::Delegate* delegate)
: raw_device_(raw_device) {
ScopedJavaLocalRef<jobjectArray> raw_input_ports =
Java_MidiDeviceAndroid_getInputPorts(env, raw_device);
for (auto j_port : raw_input_ports.ReadElements<jobject>()) {
input_ports_.push_back(
std::make_unique<MidiInputPortAndroid>(env, j_port.obj(), delegate));
}
ScopedJavaLocalRef<jobjectArray> raw_output_ports =
Java_MidiDeviceAndroid_getOutputPorts(env, raw_device);
for (auto j_port : raw_output_ports.ReadElements<jobject>()) {
output_ports_.push_back(
std::make_unique<MidiOutputPortAndroid>(env, j_port.obj()));
}
}
MidiDeviceAndroid::~MidiDeviceAndroid() {}
std::string MidiDeviceAndroid::GetManufacturer() {
JNIEnv* env = jni_zero::AttachCurrentThread();
return ConvertMaybeJavaString(
env, Java_MidiDeviceAndroid_getManufacturer(env, raw_device_));
}
std::string MidiDeviceAndroid::GetProductName() {
JNIEnv* env = jni_zero::AttachCurrentThread();
return ConvertMaybeJavaString(
env, Java_MidiDeviceAndroid_getProduct(env, raw_device_));
}
std::string MidiDeviceAndroid::GetDeviceVersion() {
JNIEnv* env = jni_zero::AttachCurrentThread();
return ConvertMaybeJavaString(
env, Java_MidiDeviceAndroid_getVersion(env, raw_device_));
}
} // namespace midi