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/*
* Copyright (C) 2014 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 static android.provider.Settings.Global.ZEN_MODE_IMPORTANT_INTERRUPTIONS;
import static android.provider.Settings.Global.ZEN_MODE_NO_INTERRUPTIONS;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.res.Resources;
import android.graphics.PixelFormat;
import android.os.Handler;
import android.os.Message;
import android.os.UserHandle;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnAttachStateChangeListener;
import android.view.WindowManager;
import android.widget.ImageView;
import android.widget.TextView;
import com.android.systemui.R;
public class ZenToast {
private static final String ACTION_SHOW = ZenToast.class.getName() + ".SHOW";
private static final String ACTION_HIDE = ZenToast.class.getName() + ".HIDE";
private static final String EXTRA_ZEN = "zen";
private static final String EXTRA_TEXT = "text";
private static final int MSG_SHOW = 1;
private static final int MSG_HIDE = 2;
private final Context mContext;
private final WindowManager mWindowManager;
private View mZenToast;
public ZenToast(Context context) {
mContext = context;
mWindowManager = (WindowManager) mContext.getSystemService(Context.WINDOW_SERVICE);
final IntentFilter filter = new IntentFilter();
filter.addAction(ACTION_SHOW);
filter.addAction(ACTION_HIDE);
mContext.registerReceiverAsUser(mReceiver, UserHandle.ALL, filter, null, mHandler);
}
public void show(int zen) {
mHandler.removeMessages(MSG_HIDE);
mHandler.removeMessages(MSG_SHOW);
mHandler.obtainMessage(MSG_SHOW, zen, 0).sendToTarget();
}
public void hide() {
mHandler.removeMessages(MSG_HIDE);
mHandler.removeMessages(MSG_SHOW);
mHandler.obtainMessage(MSG_HIDE).sendToTarget();
}
private void handleShow(int zen, String overrideText) {
handleHide();
String text;
final int iconRes;
switch (zen) {
case ZEN_MODE_NO_INTERRUPTIONS:
text = mContext.getString(R.string.zen_no_interruptions);
iconRes = R.drawable.ic_zen_none;
break;
case ZEN_MODE_IMPORTANT_INTERRUPTIONS:
text = mContext.getString(R.string.zen_important_interruptions);
iconRes = R.drawable.ic_zen_important;
break;
default:
return;
}
if (overrideText != null) {
text = overrideText;
}
final Resources res = mContext.getResources();
final WindowManager.LayoutParams params = new WindowManager.LayoutParams();
params.height = WindowManager.LayoutParams.WRAP_CONTENT;
params.width = res.getDimensionPixelSize(R.dimen.zen_toast_width);
params.format = PixelFormat.TRANSLUCENT;
params.windowAnimations = R.style.ZenToastAnimations;
params.type = WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL;
params.setTitle(getClass().getSimpleName());
params.flags = WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
| WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE
| WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE;
params.gravity = Gravity.CENTER;
params.packageName = mContext.getPackageName();
mZenToast = LayoutInflater.from(mContext).inflate(R.layout.zen_toast, null);
final TextView message = (TextView) mZenToast.findViewById(android.R.id.message);
message.setText(text);
final ImageView icon = (ImageView) mZenToast.findViewById(android.R.id.icon);
icon.setImageResource(iconRes);
mZenToast.addOnAttachStateChangeListener(new OnAttachStateChangeListener() {
@Override
public void onViewDetachedFromWindow(View v) {
// noop
}
@Override
public void onViewAttachedToWindow(View v) {
mZenToast.announceForAccessibility(message.getText());
}
});
mWindowManager.addView(mZenToast, params);
final int animDuration = res.getInteger(R.integer.zen_toast_animation_duration);
final int visibleDuration = res.getInteger(R.integer.zen_toast_visible_duration);
mHandler.sendEmptyMessageDelayed(MSG_HIDE, animDuration + visibleDuration);
}
private void handleHide() {
if (mZenToast != null) {
mWindowManager.removeView(mZenToast);
mZenToast = null;
}
}
private final Handler mHandler = new Handler() {
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_SHOW:
handleShow(msg.arg1, null);
break;
case MSG_HIDE:
handleHide();
break;
}
}
};
private final BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (ACTION_SHOW.equals(intent.getAction())) {
final int zen = intent.getIntExtra(EXTRA_ZEN, ZEN_MODE_IMPORTANT_INTERRUPTIONS);
final String text = intent.getStringExtra(EXTRA_TEXT);
handleShow(zen, text);
} else if (ACTION_HIDE.equals(intent.getAction())) {
handleHide();
}
}
};
}
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