//media/midi: use top level namespace midi rather than media.midi

media/midi/java/src/org/chromium/media/midi/MidiInputPortAndroid.java

-// 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.
-
-package org.chromium.media.midi;
-
-import android.annotation.TargetApi;
-import android.media.midi.MidiDevice;
-import android.media.midi.MidiOutputPort;
-import android.media.midi.MidiReceiver;
-import android.os.Build;
-
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-
-import java.io.IOException;
-
-// Note "InputPort" is named in the Web MIDI manner. It corresponds to MidiOutputPort class in the
-// Android API.
-/**
- * A MidiInputPortAndroid provides data to the associated media::midi::MidiInputPortAndroid object.
- */
-@JNINamespace("media::midi")
-@TargetApi(Build.VERSION_CODES.M)
-class MidiInputPortAndroid {
-    /**
-     * The underlying port.
-     */
-    private MidiOutputPort mPort;
-    /**
-     * A pointer to a media::midi::MidiInputPortAndroid object.
-     */
-    private long mNativeReceiverPointer;
-    /**
-     * The device this port belongs to.
-     */
-    private final MidiDevice mDevice;
-    /**
-     * The index of the port in the associated device.
-     */
-    private final int mIndex;
-
-    /**
-     * constructor
-     * @param device the device this port belongs to.
-     * @param index the index of the port in the associated device.
-     */
-    MidiInputPortAndroid(MidiDevice device, int index) {
-        mDevice = device;
-        mIndex = index;
-    }
-
-    /**
-     * Registers this object to the underlying port so as to the C++ function will be called with
-     * the given C++ object when data arrives.
-     * @param nativeReceiverPointer a pointer to a media::midi::MidiInputPortAndroid object.
-     * @return true if this operation succeeds or the port is already open.
-     */
-    @CalledByNative
-    boolean open(long nativeReceiverPointer) {
-        if (mPort != null) {
-            return true;
-        }
-        mPort = mDevice.openOutputPort(mIndex);
-        if (mPort == null) {
-            return false;
-        }
-        mNativeReceiverPointer = nativeReceiverPointer;
-        mPort.connect(new MidiReceiver() {
-            @Override
-            public void onSend(byte[] bs, int offset, int count, long timestamp) {
-                nativeOnData(mNativeReceiverPointer, bs, offset, count, timestamp);
-            }
-        });
-        return true;
-    }
-
-    /**
-     * Closes the port.
-     */
-    @CalledByNative
-    void close() {
-        if (mPort == null) {
-            return;
-        }
-        try {
-            mPort.close();
-        } catch (IOException e) {
-            // We can do nothing here. Just ignore the error.
-        }
-        mNativeReceiverPointer = 0;
-        mPort = null;
-    }
-
-    private static native void nativeOnData(
-            long nativeMidiInputPortAndroid, byte[] bs, int offset, int count, long timestamp);
-}