1 files changed, 66 insertions, 0 deletions
diff --git a/chromium/media/midi/usb_midi_device_android.cc b/chromium/media/midi/usb_midi_device_android.cc
new file mode 100644
index 00000000000..8f93c3d47a0
--- /dev/null
+++ b/chromium/media/midi/usb_midi_device_android.cc
@@ -0,0 +1,66 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "media/midi/usb_midi_device_android.h"
+
+#include <jni.h>
+#include <vector>
+
+#include "base/android/jni_array.h"
+#include "base/time/time.h"
+#include "jni/UsbMidiDeviceAndroid_jni.h"
+
+namespace media {
+
+UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(ObjectRef raw_device,
+                                           UsbMidiDeviceDelegate* delegate)
+    : raw_device_(raw_device), delegate_(delegate) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_UsbMidiDeviceAndroid_registerSelf(
+      env, raw_device_.obj(), reinterpret_cast<jlong>(this));
+}
+
+UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj());
+}
+
+std::vector<uint8> UsbMidiDeviceAndroid::GetDescriptor() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  base::android::ScopedJavaLocalRef<jbyteArray> descriptors =
+      Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj());
+
+  std::vector<uint8> ret;
+  base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret);
+  return ret;
+}
+
+void UsbMidiDeviceAndroid::Send(int endpoint_number,
+                                const std::vector<uint8>& data) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  const uint8* head = data.size() ? &data[0] : NULL;
+  ScopedJavaLocalRef<jbyteArray> data_to_pass =
+      base::android::ToJavaByteArray(env, head, data.size());
+
+  Java_UsbMidiDeviceAndroid_send(
+      env, raw_device_.obj(), endpoint_number, data_to_pass.obj());
+}
+
+void UsbMidiDeviceAndroid::OnData(JNIEnv* env,
+                                  jobject caller,
+                                  jint endpoint_number,
+                                  jbyteArray data) {
+  std::vector<uint8> bytes;
+  base::android::JavaByteArrayToByteVector(env, data, &bytes);
+
+  const uint8* head = bytes.size() ? &bytes[0] : NULL;
+  delegate_->ReceiveUsbMidiData(this, endpoint_number, head, bytes.size(),
+                                base::TimeTicks::HighResNow());
+}
+
+bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+}  // namespace media