media/midi/midi_input_port_android.h

   1 // Copyright 2015 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef MEDIA_MIDI_MIDI_INPUT_PORT_ANDROID_H_
   6 #define MEDIA_MIDI_MIDI_INPUT_PORT_ANDROID_H_
   7
   8 #include <jni.h>
   9
  10 #include "base/android/scoped_java_ref.h"
  11 #include "base/time/time.h"
  12
  13 namespace media {
  14 namespace midi {
  15
  16 class MidiInputPortAndroid final {
  17  public:
  18   class Delegate {
  19    public:
  20     virtual ~Delegate() {}
  21     virtual void OnReceivedData(MidiInputPortAndroid* port,
  22                                 const uint8* data,
  23                                 size_t size,
  24                                 base::TimeTicks time) = 0;
  25   };
  26   MidiInputPortAndroid(JNIEnv* env, jobject raw, Delegate* delegate);
  27   ~MidiInputPortAndroid();
  28
  29   // Returns true when the operation succeeds.
  30   bool Open();
  31   void Close();
  32
  33   // Called by the Java world.
  34   void OnData(JNIEnv* env,
  35               jobject caller,
  36               jbyteArray data,
  37               jint offset,
  38               jint size,
  39               jlong timestamp);
  40
  41   static bool Register(JNIEnv* env);
  42
  43  private:
  44   base::android::ScopedJavaGlobalRef<jobject> raw_port_;
  45   Delegate* const delegate_;
  46 };
  47
  48 }  // namespace midi
  49 }  // namespace media
  50
  51 #endif  // MEDIA_MIDI_MIDI_INPUT_PORT_ANDROID_H_