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/*
* Copyright (C) 2011 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.nfc;
import android.app.NotificationManager;
import android.content.Context;
import android.content.res.Configuration;
import android.os.Vibrator;
/**
* Manages vibration, sound and animation for P2P events.
*/
public class P2pEventManager implements P2pEventListener, SendUi.Callback {
static final String TAG = "NfcP2pEventManager";
static final boolean DBG = true;
static final long[] VIBRATION_PATTERN = {0, 100, 10000};
final Context mContext;
final NfcService mNfcService;
final P2pEventListener.Callback mCallback;
final Vibrator mVibrator;
final NotificationManager mNotificationManager;
final SendUi mSendUi;
// only used on UI thread
boolean mSending;
boolean mNdefSent;
boolean mNdefReceived;
public P2pEventManager(Context context, P2pEventListener.Callback callback) {
mNfcService = NfcService.getInstance();
mContext = context;
mCallback = callback;
mVibrator = (Vibrator) context.getSystemService(Context.VIBRATOR_SERVICE);
mNotificationManager = (NotificationManager) mContext.getSystemService(
Context.NOTIFICATION_SERVICE);
mSending = false;
final int uiModeType = mContext.getResources().getConfiguration().uiMode
& Configuration.UI_MODE_TYPE_MASK;
if (uiModeType == Configuration.UI_MODE_TYPE_APPLIANCE) {
// "Appliances" don't intrinsically have a way of confirming this, so we
// don't use the UI and just autoconfirm where necessary.
// Don't instantiate SendUi or else we'll use memory and never reclaim it.
mSendUi = null;
} else {
mSendUi = new SendUi(context, this);
}
}
@Override
public void onP2pInRange() {
mNfcService.playSound(NfcService.SOUND_START);
mNdefSent = false;
mNdefReceived = false;
mVibrator.vibrate(VIBRATION_PATTERN, -1);
if (mSendUi != null) {
mSendUi.takeScreenshot();
}
}
@Override
public void onP2pSendConfirmationRequested() {
if (mSendUi != null) {
mSendUi.showPreSend();
} else {
mCallback.onP2pSendConfirmed();
}
}
@Override
public void onP2pSendComplete() {
mNfcService.playSound(NfcService.SOUND_END);
mVibrator.vibrate(VIBRATION_PATTERN, -1);
if (mSendUi != null) {
mSendUi.finish(SendUi.FINISH_SEND_SUCCESS);
}
mSending = false;
mNdefSent = true;
}
@Override
public void onP2pHandoverNotSupported() {
mNfcService.playSound(NfcService.SOUND_ERROR);
mVibrator.vibrate(VIBRATION_PATTERN, -1);
mSendUi.finishAndToast(SendUi.FINISH_SCALE_UP,
mContext.getString(R.string.beam_handover_not_supported));
mSending = false;
mNdefSent = false;
}
@Override
public void onP2pReceiveComplete(boolean playSound) {
mVibrator.vibrate(VIBRATION_PATTERN, -1);
if (playSound) mNfcService.playSound(NfcService.SOUND_END);
if (mSendUi != null) {
// TODO we still don't have a nice receive solution
// The sanest solution right now is just to scale back up what we had
// and start the new activity. It is not perfect, but at least it is
// consistent behavior. All other variants involve making the old
// activity screenshot disappear, and then removing the animation
// window hoping the new activity has started by then. This just goes
// wrong too often and can look weird.
mSendUi.finish(SendUi.FINISH_SCALE_UP);
}
mNdefReceived = true;
}
@Override
public void onP2pOutOfRange() {
if (mSending) {
mNfcService.playSound(NfcService.SOUND_ERROR);
mSending = false;
}
if (!mNdefSent && !mNdefReceived && mSendUi != null) {
mSendUi.finish(SendUi.FINISH_SCALE_UP);
}
}
@Override
public void onSendConfirmed() {
if (!mSending) {
if (mSendUi != null) {
mSendUi.showStartSend();
}
mCallback.onP2pSendConfirmed();
}
mSending = true;
}
}
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