summaryrefslogtreecommitdiff
path: root/chromium/device/usb/usb_configuration_android.cc
blob: 5171717ffbc5df5984be718049b756f9a1958dec (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
// Copyright 2015 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 "device/usb/usb_configuration_android.h"

#include "device/usb/usb_interface_android.h"
#include "jni/ChromeUsbConfiguration_jni.h"

using base::android::ScopedJavaLocalRef;

namespace device {

// static
UsbConfigDescriptor UsbConfigurationAndroid::Convert(
    JNIEnv* env,
    const base::android::JavaRef<jobject>& usb_configuration) {
  ScopedJavaLocalRef<jobject> wrapper =
      Java_ChromeUsbConfiguration_create(env, usb_configuration);

  UsbConfigDescriptor config(
      Java_ChromeUsbConfiguration_getConfigurationValue(env, wrapper),
      Java_ChromeUsbConfiguration_isSelfPowered(env, wrapper),
      Java_ChromeUsbConfiguration_isRemoteWakeup(env, wrapper),
      Java_ChromeUsbConfiguration_getMaxPower(env, wrapper));

  ScopedJavaLocalRef<jobjectArray> interfaces =
      Java_ChromeUsbConfiguration_getInterfaces(env, wrapper);
  jsize count = env->GetArrayLength(interfaces.obj());
  config.interfaces.reserve(count);
  for (jsize i = 0; i < count; ++i) {
    ScopedJavaLocalRef<jobject> interface(
        env, env->GetObjectArrayElement(interfaces.obj(), i));
    config.interfaces.push_back(UsbInterfaceAndroid::Convert(env, interface));
  }

  return config;
}

}  // namespace device