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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_factory_android.h" | 5 #include "media/midi/usb_midi_device_factory_android.h" |
6 | 6 |
7 #include <stddef.h> | 7 #include <stddef.h> |
8 | 8 |
9 #include "base/android/context_utils.h" | |
10 #include "base/bind.h" | 9 #include "base/bind.h" |
11 #include "base/containers/hash_tables.h" | 10 #include "base/containers/hash_tables.h" |
12 #include "base/memory/ptr_util.h" | 11 #include "base/memory/ptr_util.h" |
13 #include "base/message_loop/message_loop.h" | 12 #include "base/message_loop/message_loop.h" |
14 #include "base/synchronization/lock.h" | 13 #include "base/synchronization/lock.h" |
15 #include "jni/UsbMidiDeviceFactoryAndroid_jni.h" | 14 #include "jni/UsbMidiDeviceFactoryAndroid_jni.h" |
16 #include "media/midi/usb_midi_device_android.h" | 15 #include "media/midi/usb_midi_device_android.h" |
17 | 16 |
18 using base::android::JavaParamRef; | 17 using base::android::JavaParamRef; |
19 | 18 |
20 namespace midi { | 19 namespace midi { |
21 | 20 |
22 namespace { | 21 namespace { |
23 | 22 |
24 using Callback = UsbMidiDevice::Factory::Callback; | 23 using Callback = UsbMidiDevice::Factory::Callback; |
25 | 24 |
26 } // namespace | 25 } // namespace |
27 | 26 |
28 UsbMidiDeviceFactoryAndroid::UsbMidiDeviceFactoryAndroid() : delegate_(NULL) {} | 27 UsbMidiDeviceFactoryAndroid::UsbMidiDeviceFactoryAndroid() : delegate_(NULL) {} |
29 | 28 |
30 UsbMidiDeviceFactoryAndroid::~UsbMidiDeviceFactoryAndroid() { | 29 UsbMidiDeviceFactoryAndroid::~UsbMidiDeviceFactoryAndroid() { |
31 JNIEnv* env = base::android::AttachCurrentThread(); | 30 JNIEnv* env = base::android::AttachCurrentThread(); |
32 if (!raw_factory_.is_null()) | 31 if (!raw_factory_.is_null()) |
33 Java_UsbMidiDeviceFactoryAndroid_close( | 32 Java_UsbMidiDeviceFactoryAndroid_close(env, raw_factory_); |
34 env, raw_factory_, base::android::GetApplicationContext()); | |
35 } | 33 } |
36 | 34 |
37 void UsbMidiDeviceFactoryAndroid::EnumerateDevices( | 35 void UsbMidiDeviceFactoryAndroid::EnumerateDevices( |
38 UsbMidiDeviceDelegate* delegate, | 36 UsbMidiDeviceDelegate* delegate, |
39 Callback callback) { | 37 Callback callback) { |
40 DCHECK(!delegate_); | 38 DCHECK(!delegate_); |
41 JNIEnv* env = base::android::AttachCurrentThread(); | 39 JNIEnv* env = base::android::AttachCurrentThread(); |
42 uintptr_t pointer = reinterpret_cast<uintptr_t>(this); | 40 uintptr_t pointer = reinterpret_cast<uintptr_t>(this); |
43 raw_factory_.Reset(Java_UsbMidiDeviceFactoryAndroid_create( | 41 raw_factory_.Reset(Java_UsbMidiDeviceFactoryAndroid_create(env, pointer)); |
44 env, base::android::GetApplicationContext(), pointer)); | |
45 | 42 |
46 delegate_ = delegate; | 43 delegate_ = delegate; |
47 callback_ = callback; | 44 callback_ = callback; |
48 | 45 |
49 if (Java_UsbMidiDeviceFactoryAndroid_enumerateDevices( | 46 if (Java_UsbMidiDeviceFactoryAndroid_enumerateDevices(env, raw_factory_)) { |
50 env, raw_factory_, base::android::GetApplicationContext())) { | |
51 // Asynchronous operation. | 47 // Asynchronous operation. |
52 return; | 48 return; |
53 } | 49 } |
54 // No devices are found. | 50 // No devices are found. |
55 ScopedVector<UsbMidiDevice> devices; | 51 ScopedVector<UsbMidiDevice> devices; |
56 callback.Run(true, &devices); | 52 callback.Run(true, &devices); |
57 } | 53 } |
58 | 54 |
59 // Called from the Java world. | 55 // Called from the Java world. |
60 void UsbMidiDeviceFactoryAndroid::OnUsbMidiDeviceRequestDone( | 56 void UsbMidiDeviceFactoryAndroid::OnUsbMidiDeviceRequestDone( |
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87 const JavaParamRef<jobject>& caller, | 83 const JavaParamRef<jobject>& caller, |
88 jint index) { | 84 jint index) { |
89 delegate_->OnDeviceDetached(index); | 85 delegate_->OnDeviceDetached(index); |
90 } | 86 } |
91 | 87 |
92 bool UsbMidiDeviceFactoryAndroid::RegisterUsbMidiDeviceFactory(JNIEnv* env) { | 88 bool UsbMidiDeviceFactoryAndroid::RegisterUsbMidiDeviceFactory(JNIEnv* env) { |
93 return RegisterNativesImpl(env); | 89 return RegisterNativesImpl(env); |
94 } | 90 } |
95 | 91 |
96 } // namespace midi | 92 } // namespace midi |
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