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Unified Diff: media/midi/java/src/org/chromium/media/midi/MidiManagerAndroid.java

Issue 2418493002: //media/midi: use top level namespace midi rather than media.midi (Closed)
Patch Set: TAG name change s/media_midi/midi/ Created 4 years, 2 months ago
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Index: media/midi/java/src/org/chromium/media/midi/MidiManagerAndroid.java
diff --git a/media/midi/java/src/org/chromium/media/midi/MidiManagerAndroid.java b/media/midi/java/src/org/chromium/media/midi/MidiManagerAndroid.java
deleted file mode 100644
index 32f0e8670e09a1afc702e52775905d3730b4fd35..0000000000000000000000000000000000000000
--- a/media/midi/java/src/org/chromium/media/midi/MidiManagerAndroid.java
+++ /dev/null
@@ -1,174 +0,0 @@
-// 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.content.Context;
-import android.media.midi.MidiDevice;
-import android.media.midi.MidiDeviceInfo;
-import android.media.midi.MidiManager;
-import android.os.Build;
-import android.os.Handler;
-
-import org.chromium.base.ThreadUtils;
-import org.chromium.base.annotations.CalledByNative;
-import org.chromium.base.annotations.JNINamespace;
-
-import java.util.ArrayList;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-
-/**
- * A Java class implementing media::midi::MidiManagerAndroid functionality.
- */
-@JNINamespace("media::midi")
-@TargetApi(Build.VERSION_CODES.M)
-class MidiManagerAndroid {
- /**
- * Set true when this instance is successfully initialized.
- */
- private boolean mIsInitialized = false;
- /**
- * The devices held by this manager.
- */
- private final List<MidiDeviceAndroid> mDevices = new ArrayList<>();
- /**
- * The device information instances which are being initialized.
- */
- private final Set<MidiDeviceInfo> mPendingDevices = new HashSet<>();
- /**
- * The underlying MidiManager.
- */
- private final MidiManager mManager;
- /**
- * Callbacks will run on the message queue associated with this handler.
- */
- private final Handler mHandler;
- /**
- * The associated media::midi::MidiDeviceAndroid instance.
- */
- private final long mNativeManagerPointer;
-
- /**
- * A creation function called by C++.
- * @param context
- * @param nativeManagerPointer The native pointer to a media::midi::MidiManagerAndroid object.
- */
- @CalledByNative
- static MidiManagerAndroid create(Context context, long nativeManagerPointer) {
- return new MidiManagerAndroid(context, nativeManagerPointer);
- }
-
- /**
- * @param context
- * @param nativeManagerPointer The native pointer to a media::midi::MidiManagerAndroid object.
- */
- private MidiManagerAndroid(Context context, long nativeManagerPointer) {
- assert ThreadUtils.runningOnUiThread();
-
- mManager = (MidiManager) context.getSystemService(Context.MIDI_SERVICE);
- mHandler = new Handler(ThreadUtils.getUiThreadLooper());
- mNativeManagerPointer = nativeManagerPointer;
- }
-
- /**
- * Initializes this object.
- * This function must be called right after creation.
- */
- @CalledByNative
- void initialize() {
- if (mManager == null) {
- mHandler.post(new Runnable() {
- @Override
- public void run() {
- nativeOnInitializationFailed(mNativeManagerPointer);
- }
- });
- return;
- }
- mManager.registerDeviceCallback(new MidiManager.DeviceCallback() {
- @Override
- public void onDeviceAdded(MidiDeviceInfo device) {
- MidiManagerAndroid.this.onDeviceAdded(device);
- }
-
- @Override
- public void onDeviceRemoved(MidiDeviceInfo device) {
- MidiManagerAndroid.this.onDeviceRemoved(device);
- }
- }, mHandler);
- MidiDeviceInfo[] infos = mManager.getDevices();
-
- for (final MidiDeviceInfo info : infos) {
- mPendingDevices.add(info);
- openDevice(info);
- }
- mHandler.post(new Runnable() {
- @Override
- public void run() {
- if (mPendingDevices.isEmpty() && !mIsInitialized) {
- nativeOnInitialized(
- mNativeManagerPointer, mDevices.toArray(new MidiDeviceAndroid[0]));
- mIsInitialized = true;
- }
- }
- });
- }
-
- private void openDevice(final MidiDeviceInfo info) {
- mManager.openDevice(info, new MidiManager.OnDeviceOpenedListener() {
- @Override
- public void onDeviceOpened(MidiDevice device) {
- MidiManagerAndroid.this.onDeviceOpened(device, info);
- }
- }, mHandler);
- }
-
- /**
- * Called when a midi device is attached.
- * @param info the attached device information.
- */
- private void onDeviceAdded(final MidiDeviceInfo info) {
- if (!mIsInitialized) {
- mPendingDevices.add(info);
- }
- openDevice(info);
- }
-
- /**
- * Called when a midi device is detached.
- * @param info the detached device information.
- */
- private void onDeviceRemoved(MidiDeviceInfo info) {
- for (MidiDeviceAndroid device : mDevices) {
- if (device.isOpen() && device.getInfo().getId() == info.getId()) {
- device.close();
- nativeOnDetached(mNativeManagerPointer, device);
- }
- }
- }
-
- private void onDeviceOpened(MidiDevice device, MidiDeviceInfo info) {
- mPendingDevices.remove(info);
- if (device != null) {
- MidiDeviceAndroid xdevice = new MidiDeviceAndroid(device);
- mDevices.add(xdevice);
- if (mIsInitialized) {
- nativeOnAttached(mNativeManagerPointer, xdevice);
- }
- }
- if (!mIsInitialized && mPendingDevices.isEmpty()) {
- nativeOnInitialized(mNativeManagerPointer, mDevices.toArray(new MidiDeviceAndroid[0]));
- mIsInitialized = true;
- }
- }
-
- static native void nativeOnInitialized(
- long nativeMidiManagerAndroid, MidiDeviceAndroid[] devices);
- static native void nativeOnInitializationFailed(long nativeMidiManagerAndroid);
- static native void nativeOnAttached(long nativeMidiManagerAndroid, MidiDeviceAndroid device);
- static native void nativeOnDetached(long nativeMidiManagerAndroid, MidiDeviceAndroid device);
-}

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