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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "media/midi/usb_midi_device_android.h" | 5 #include "media/midi/usb_midi_device_android.h" |
6 | 6 |
7 #include <jni.h> | 7 #include <jni.h> |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "base/android/jni_array.h" | 10 #include "base/android/jni_array.h" |
11 #include "base/time/time.h" | 11 #include "base/time/time.h" |
12 #include "jni/UsbMidiDeviceAndroid_jni.h" | 12 #include "jni/UsbMidiDeviceAndroid_jni.h" |
13 | 13 |
14 namespace media { | 14 namespace media { |
15 | 15 |
16 UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(ObjectRef raw_device, | 16 UsbMidiDeviceAndroid::UsbMidiDeviceAndroid(ObjectRef raw_device, |
17 UsbMidiDeviceDelegate* delegate) | 17 UsbMidiDeviceDelegate* delegate) |
18 : raw_device_(raw_device), delegate_(delegate) { | 18 : raw_device_(raw_device), delegate_(delegate) { |
19 JNIEnv* env = base::android::AttachCurrentThread(); | 19 JNIEnv* env = base::android::AttachCurrentThread(); |
20 midi::Java_UsbMidiDeviceAndroid_registerSelf( | 20 Java_UsbMidiDeviceAndroid_registerSelf( |
21 env, raw_device_.obj(), reinterpret_cast<jlong>(this)); | 21 env, raw_device_.obj(), reinterpret_cast<jlong>(this)); |
22 } | 22 } |
23 | 23 |
24 UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() { | 24 UsbMidiDeviceAndroid::~UsbMidiDeviceAndroid() { |
25 JNIEnv* env = base::android::AttachCurrentThread(); | 25 JNIEnv* env = base::android::AttachCurrentThread(); |
26 midi::Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj()); | 26 Java_UsbMidiDeviceAndroid_close(env, raw_device_.obj()); |
27 } | 27 } |
28 | 28 |
29 std::vector<uint8> UsbMidiDeviceAndroid::GetDescriptor() { | 29 std::vector<uint8> UsbMidiDeviceAndroid::GetDescriptor() { |
30 JNIEnv* env = base::android::AttachCurrentThread(); | 30 JNIEnv* env = base::android::AttachCurrentThread(); |
31 base::android::ScopedJavaLocalRef<jbyteArray> descriptors = | 31 base::android::ScopedJavaLocalRef<jbyteArray> descriptors = |
32 midi::Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj()); | 32 Java_UsbMidiDeviceAndroid_getDescriptors(env, raw_device_.obj()); |
33 | 33 |
34 std::vector<uint8> ret; | 34 std::vector<uint8> ret; |
35 base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret); | 35 base::android::JavaByteArrayToByteVector(env, descriptors.obj(), &ret); |
36 return ret; | 36 return ret; |
37 } | 37 } |
38 | 38 |
39 void UsbMidiDeviceAndroid::Send(int endpoint_number, | 39 void UsbMidiDeviceAndroid::Send(int endpoint_number, |
40 const std::vector<uint8>& data) { | 40 const std::vector<uint8>& data) { |
41 JNIEnv* env = base::android::AttachCurrentThread(); | 41 JNIEnv* env = base::android::AttachCurrentThread(); |
42 const uint8* head = data.size() ? &data[0] : NULL; | 42 const uint8* head = data.size() ? &data[0] : NULL; |
43 ScopedJavaLocalRef<jbyteArray> data_to_pass = | 43 ScopedJavaLocalRef<jbyteArray> data_to_pass = |
44 base::android::ToJavaByteArray(env, head, data.size()); | 44 base::android::ToJavaByteArray(env, head, data.size()); |
45 | 45 |
46 midi::Java_UsbMidiDeviceAndroid_send( | 46 Java_UsbMidiDeviceAndroid_send( |
47 env, raw_device_.obj(), endpoint_number, data_to_pass.obj()); | 47 env, raw_device_.obj(), endpoint_number, data_to_pass.obj()); |
48 } | 48 } |
49 | 49 |
50 void UsbMidiDeviceAndroid::OnData(JNIEnv* env, | 50 void UsbMidiDeviceAndroid::OnData(JNIEnv* env, |
51 jobject caller, | 51 jobject caller, |
52 jint endpoint_number, | 52 jint endpoint_number, |
53 jbyteArray data) { | 53 jbyteArray data) { |
54 std::vector<uint8> bytes; | 54 std::vector<uint8> bytes; |
55 base::android::JavaByteArrayToByteVector(env, data, &bytes); | 55 base::android::JavaByteArrayToByteVector(env, data, &bytes); |
56 | 56 |
57 const uint8* head = bytes.size() ? &bytes[0] : NULL; | 57 const uint8* head = bytes.size() ? &bytes[0] : NULL; |
58 delegate_->ReceiveUsbMidiData(this, endpoint_number, head, bytes.size(), | 58 delegate_->ReceiveUsbMidiData(this, endpoint_number, head, bytes.size(), |
59 base::TimeTicks::Now()); | 59 base::TimeTicks::Now()); |
60 } | 60 } |
61 | 61 |
62 bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) { | 62 bool UsbMidiDeviceAndroid::RegisterUsbMidiDevice(JNIEnv* env) { |
63 return midi::RegisterNativesImpl(env); | 63 return RegisterNativesImpl(env); |
64 } | 64 } |
65 | 65 |
66 } // namespace media | 66 } // namespace media |
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