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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 <jni.h> | 7 #include <jni.h> |
| 8 #include <vector> | 8 #include <vector> |
| 9 | 9 |
| 10 #include "base/android/scoped_java_ref.h" | 10 #include "base/android/scoped_java_ref.h" |
| 11 #include "base/bind.h" | 11 #include "base/bind.h" |
| 12 #include "base/containers/hash_tables.h" | 12 #include "base/containers/hash_tables.h" |
| 13 #include "base/lazy_instance.h" | 13 #include "base/lazy_instance.h" |
| 14 #include "base/memory/scoped_vector.h" | 14 #include "base/memory/scoped_vector.h" |
| 15 #include "base/message_loop/message_loop.h" | 15 #include "base/message_loop/message_loop.h" |
| 16 #include "base/synchronization/lock.h" | 16 #include "base/synchronization/lock.h" |
| 17 #include "jni/UsbMidiDeviceFactoryAndroid_jni.h" | 17 #include "jni/UsbMidiDeviceFactoryAndroid_jni.h" |
| 18 #include "media/midi/usb_midi_device_android.h" | 18 #include "media/midi/usb_midi_device_android.h" |
| 19 | 19 |
| 20 namespace media { | 20 namespace media { |
| 21 namespace midi { |
| 21 | 22 |
| 22 namespace { | 23 namespace { |
| 23 | 24 |
| 24 typedef UsbMidiDevice::Factory::Callback Callback; | 25 typedef UsbMidiDevice::Factory::Callback Callback; |
| 25 | 26 |
| 26 } // namespace | 27 } // namespace |
| 27 | 28 |
| 28 UsbMidiDeviceFactoryAndroid::UsbMidiDeviceFactoryAndroid() : delegate_(NULL) {} | 29 UsbMidiDeviceFactoryAndroid::UsbMidiDeviceFactoryAndroid() : delegate_(NULL) {} |
| 29 | 30 |
| 30 UsbMidiDeviceFactoryAndroid::~UsbMidiDeviceFactoryAndroid() { | 31 UsbMidiDeviceFactoryAndroid::~UsbMidiDeviceFactoryAndroid() { |
| 31 JNIEnv* env = base::android::AttachCurrentThread(); | 32 JNIEnv* env = base::android::AttachCurrentThread(); |
| 32 if (!raw_factory_.is_null()) | 33 if (!raw_factory_.is_null()) |
| 33 midi::Java_UsbMidiDeviceFactoryAndroid_close( | 34 Java_UsbMidiDeviceFactoryAndroid_close( |
| 34 env, raw_factory_.obj(), base::android::GetApplicationContext()); | 35 env, raw_factory_.obj(), base::android::GetApplicationContext()); |
| 35 } | 36 } |
| 36 | 37 |
| 37 void UsbMidiDeviceFactoryAndroid::EnumerateDevices( | 38 void UsbMidiDeviceFactoryAndroid::EnumerateDevices( |
| 38 UsbMidiDeviceDelegate* delegate, | 39 UsbMidiDeviceDelegate* delegate, |
| 39 Callback callback) { | 40 Callback callback) { |
| 40 DCHECK(!delegate_); | 41 DCHECK(!delegate_); |
| 41 JNIEnv* env = base::android::AttachCurrentThread(); | 42 JNIEnv* env = base::android::AttachCurrentThread(); |
| 42 uintptr_t pointer = reinterpret_cast<uintptr_t>(this); | 43 uintptr_t pointer = reinterpret_cast<uintptr_t>(this); |
| 43 raw_factory_.Reset(midi::Java_UsbMidiDeviceFactoryAndroid_create( | 44 raw_factory_.Reset(Java_UsbMidiDeviceFactoryAndroid_create( |
| 44 env, base::android::GetApplicationContext(), pointer)); | 45 env, base::android::GetApplicationContext(), pointer)); |
| 45 | 46 |
| 46 delegate_ = delegate; | 47 delegate_ = delegate; |
| 47 callback_ = callback; | 48 callback_ = callback; |
| 48 | 49 |
| 49 if (midi::Java_UsbMidiDeviceFactoryAndroid_enumerateDevices( | 50 if (Java_UsbMidiDeviceFactoryAndroid_enumerateDevices( |
| 50 env, raw_factory_.obj(), base::android::GetApplicationContext())) { | 51 env, raw_factory_.obj(), base::android::GetApplicationContext())) { |
| 51 // Asynchronous operation. | 52 // Asynchronous operation. |
| 52 return; | 53 return; |
| 53 } | 54 } |
| 54 // No devices are found. | 55 // No devices are found. |
| 55 ScopedVector<UsbMidiDevice> devices; | 56 ScopedVector<UsbMidiDevice> devices; |
| 56 callback.Run(true, &devices); | 57 callback.Run(true, &devices); |
| 57 } | 58 } |
| 58 | 59 |
| 59 // Called from the Java world. | 60 // Called from the Java world. |
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| 85 | 86 |
| 86 // Called from the Java world. | 87 // Called from the Java world. |
| 87 void UsbMidiDeviceFactoryAndroid::OnUsbMidiDeviceDetached( | 88 void UsbMidiDeviceFactoryAndroid::OnUsbMidiDeviceDetached( |
| 88 JNIEnv* env, | 89 JNIEnv* env, |
| 89 jobject caller, | 90 jobject caller, |
| 90 jint index) { | 91 jint index) { |
| 91 delegate_->OnDeviceDetached(index); | 92 delegate_->OnDeviceDetached(index); |
| 92 } | 93 } |
| 93 | 94 |
| 94 bool UsbMidiDeviceFactoryAndroid::RegisterUsbMidiDeviceFactory(JNIEnv* env) { | 95 bool UsbMidiDeviceFactoryAndroid::RegisterUsbMidiDeviceFactory(JNIEnv* env) { |
| 95 return midi::RegisterNativesImpl(env); | 96 return RegisterNativesImpl(env); |
| 96 } | 97 } |
| 97 | 98 |
| 99 } // namespace midi |
| 98 } // namespace media | 100 } // namespace media |
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