diff options
Diffstat (limited to 'src/com/android/dialer/voicemail/WiredHeadsetManager.java')
-rw-r--r-- | src/com/android/dialer/voicemail/WiredHeadsetManager.java | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/src/com/android/dialer/voicemail/WiredHeadsetManager.java b/src/com/android/dialer/voicemail/WiredHeadsetManager.java new file mode 100644 index 000000000..7351f4f01 --- /dev/null +++ b/src/com/android/dialer/voicemail/WiredHeadsetManager.java @@ -0,0 +1,88 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ +package com.android.dialer.voicemail; + +import android.content.BroadcastReceiver; +import android.content.Context; +import android.content.Intent; +import android.content.IntentFilter; +import android.media.AudioManager; +import android.util.Log; + +/** Listens for and caches headset state. */ +class WiredHeadsetManager { + private static final String TAG = WiredHeadsetManager.class.getSimpleName(); + + interface Listener { + void onWiredHeadsetPluggedInChanged(boolean oldIsPluggedIn, boolean newIsPluggedIn); + } + + /** Receiver for wired headset plugged and unplugged events. */ + private class WiredHeadsetBroadcastReceiver extends BroadcastReceiver { + @Override + public void onReceive(Context context, Intent intent) { + if (AudioManager.ACTION_HEADSET_PLUG.equals(intent.getAction())) { + boolean isPluggedIn = intent.getIntExtra("state", 0) == 1; + Log.v(TAG, "ACTION_HEADSET_PLUG event, plugged in: " + isPluggedIn); + onHeadsetPluggedInChanged(isPluggedIn); + } + } + } + + private final WiredHeadsetBroadcastReceiver mReceiver; + private boolean mIsPluggedIn; + private Listener mListener; + private Context mContext; + + WiredHeadsetManager(Context context) { + mContext = context; + mReceiver = new WiredHeadsetBroadcastReceiver(); + + AudioManager audioManager = (AudioManager) context.getSystemService(Context.AUDIO_SERVICE); + mIsPluggedIn = audioManager.isWiredHeadsetOn(); + + } + + void setListener(Listener listener) { + mListener = listener; + } + + boolean isPluggedIn() { + return mIsPluggedIn; + } + + void registerReceiver() { + // Register for misc other intent broadcasts. + IntentFilter intentFilter = new IntentFilter(Intent.ACTION_HEADSET_PLUG); + mContext.registerReceiver(mReceiver, intentFilter); + } + + void unregisterReceiver() { + mContext.unregisterReceiver(mReceiver); + } + + private void onHeadsetPluggedInChanged(boolean isPluggedIn) { + if (mIsPluggedIn != isPluggedIn) { + Log.v(TAG, "onHeadsetPluggedInChanged, mIsPluggedIn: " + mIsPluggedIn + " -> " + + isPluggedIn); + boolean oldIsPluggedIn = mIsPluggedIn; + mIsPluggedIn = isPluggedIn; + if (mListener != null) { + mListener.onWiredHeadsetPluggedInChanged(oldIsPluggedIn, mIsPluggedIn); + } + } + } +}
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