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/*
* 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.systemui.volume;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.IntentFilter;
import android.media.AudioManager;
import android.util.Log;
import android.view.KeyEvent;
import android.view.WindowManager;
import com.android.systemui.statusbar.phone.SystemUIDialog;
abstract public class SafetyWarningDialog extends SystemUIDialog
implements DialogInterface.OnDismissListener, DialogInterface.OnClickListener {
private static final String TAG = Util.logTag(SafetyWarningDialog.class);
private static final int KEY_CONFIRM_ALLOWED_AFTER = 1000; // milliseconds
private final Context mContext;
private final AudioManager mAudioManager;
private long mShowTime;
private boolean mNewVolumeUp;
public SafetyWarningDialog(Context context, AudioManager audioManager) {
super(context);
mContext = context;
mAudioManager = audioManager;
getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ERROR);
setMessage(mContext.getString(com.android.internal.R.string.safe_media_volume_warning));
setButton(DialogInterface.BUTTON_POSITIVE,
mContext.getString(com.android.internal.R.string.yes), this);
setButton(DialogInterface.BUTTON_NEGATIVE,
mContext.getString(com.android.internal.R.string.no), (OnClickListener) null);
setOnDismissListener(this);
final IntentFilter filter = new IntentFilter(Intent.ACTION_CLOSE_SYSTEM_DIALOGS);
context.registerReceiver(mReceiver, filter);
}
abstract protected void cleanUp();
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && event.getRepeatCount() == 0) {
mNewVolumeUp = true;
}
return super.onKeyDown(keyCode, event);
}
@Override
public boolean onKeyUp(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_VOLUME_UP && mNewVolumeUp
&& (System.currentTimeMillis() - mShowTime) > KEY_CONFIRM_ALLOWED_AFTER) {
if (D.BUG) Log.d(TAG, "Confirmed warning via VOLUME_UP");
mAudioManager.disableSafeMediaVolume();
dismiss();
}
return super.onKeyUp(keyCode, event);
}
@Override
public void onClick(DialogInterface dialog, int which) {
mAudioManager.disableSafeMediaVolume();
}
@Override
protected void onStart() {
super.onStart();
mShowTime = System.currentTimeMillis();
}
@Override
public void onDismiss(DialogInterface unused) {
mContext.unregisterReceiver(mReceiver);
cleanUp();
}
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (Intent.ACTION_CLOSE_SYSTEM_DIALOGS.equals(intent.getAction())) {
if (D.BUG) Log.d(TAG, "Received ACTION_CLOSE_SYSTEM_DIALOGS");
cancel();
cleanUp();
}
}
};
}
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