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/*
* Copyright (C) 2010 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.statusbar.tablet;
import java.util.Arrays;
import android.app.Notification;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.PixelFormat;
import android.graphics.drawable.Drawable;
import android.os.Handler;
import android.os.Message;
import android.util.Slog;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.WindowManager;
import android.view.WindowManagerImpl;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import com.android.internal.statusbar.StatusBarIcon;
import com.android.internal.statusbar.StatusBarNotification;
import com.android.systemui.R;
import com.android.systemui.statusbar.StatusBarIconView;
public class TabletTicker extends Handler {
private static final String TAG = "StatusBar.TabletTicker";
private static final int MSG_ADVANCE = 1;
private static final int ADVANCE_DELAY = 10000; // 5 seconds
private Context mContext;
private ViewGroup mWindow;
private StatusBarNotification mCurrentNotification;
private View mCurrentView;
private StatusBarNotification[] mQueue;
private int mQueuePos;
public TabletTicker(Context context) {
mContext = context;
// TODO: Make this a configuration value.
// 3 is enough to let us see most cases, but not get so far behind that it's annoying.
mQueue = new StatusBarNotification[3];
}
public void add(StatusBarNotification notification) {
if (false) {
Slog.d(TAG, "add mCurrentNotification=" + mCurrentNotification
+ " mQueuePos=" + mQueuePos + " mQueue=" + Arrays.toString(mQueue));
}
mQueue[mQueuePos] = notification;
// If nothing is running now, start the next one
if (mCurrentNotification == null) {
sendEmptyMessage(MSG_ADVANCE);
}
if (mQueuePos < mQueue.length - 1) {
mQueuePos++;
}
}
public void halt() {
removeMessages(MSG_ADVANCE);
if (mCurrentView != null) {
final int N = mQueue.length;
for (int i=0; i<N; i++) {
mQueue[i] = null;
}
mQueuePos = 0;
sendEmptyMessage(MSG_ADVANCE);
}
}
public void handleMessage(Message msg) {
switch (msg.what) {
case MSG_ADVANCE:
advance();
break;
}
}
private void advance() {
// Out with the old...
if (mCurrentView != null) {
mWindow.removeView(mCurrentView);
mCurrentView = null;
mCurrentNotification = null;
}
// In with the new...
StatusBarNotification next = dequeue();
while (next != null) {
mCurrentNotification = next;
mCurrentView = makeTickerView(next);
if (mCurrentView != null) {
if (mWindow == null) {
mWindow = makeWindow();
WindowManagerImpl.getDefault().addView(mWindow, mWindow.getLayoutParams());
}
mWindow.addView(mCurrentView);
sendEmptyMessageDelayed(MSG_ADVANCE, ADVANCE_DELAY);
break;
}
next = dequeue();
}
// if there's nothing left, close the window
// TODO: Do this when the animation is done instead
if (mCurrentView == null) {
WindowManagerImpl.getDefault().removeView(mWindow);
mWindow = null;
}
}
private StatusBarNotification dequeue() {
StatusBarNotification notification = mQueue[0];
if (false) {
Slog.d(TAG, "dequeue mQueuePos=" + mQueuePos + " mQueue=" + Arrays.toString(mQueue));
}
final int N = mQueuePos;
for (int i=0; i<N; i++) {
mQueue[i] = mQueue[i+1];
}
mQueue[N] = null;
if (mQueuePos > 0) {
mQueuePos--;
}
return notification;
}
private ViewGroup makeWindow() {
final Resources res = mContext.getResources();
final FrameLayout view = new FrameLayout(mContext);
final int width = res.getDimensionPixelSize(R.dimen.notification_ticker_width);
final int height = res.getDimensionPixelSize(R.dimen.notification_large_icon_height);
WindowManager.LayoutParams lp = new WindowManager.LayoutParams(width, height,
WindowManager.LayoutParams.TYPE_STATUS_BAR_PANEL,
WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN
| WindowManager.LayoutParams.FLAG_ALT_FOCUSABLE_IM
| WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS,
PixelFormat.TRANSLUCENT);
lp.gravity = Gravity.BOTTOM | Gravity.RIGHT;
lp.setTitle("NotificationTicker");
view.setLayoutParams(lp);
return view;
}
private View makeTickerView(StatusBarNotification notification) {
final Notification n = notification.notification;
LayoutInflater inflater = (LayoutInflater)mContext.getSystemService(
Context.LAYOUT_INFLATER_SERVICE);
ViewGroup group;
int layoutId;
int iconId;
if (n.largeIcon != null) {
iconId = R.id.right_icon;
} else {
iconId = R.id.left_icon;
}
if (n.tickerView != null) {
group = (ViewGroup)inflater.inflate(R.layout.ticker, null, false);
View expanded = null;
Exception exception = null;
try {
expanded = n.tickerView.apply(mContext, group);
}
catch (RuntimeException e) {
exception = e;
}
if (expanded == null) {
final String ident = notification.pkg
+ "/0x" + Integer.toHexString(notification.id);
Slog.e(TAG, "couldn't inflate view for notification " + ident, exception);
return null;
}
final int statusBarHeight = mContext.getResources().getDimensionPixelSize(
com.android.internal.R.dimen.status_bar_height);
LinearLayout.LayoutParams lp = new LinearLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT, statusBarHeight, 1.0f);
lp.gravity = Gravity.BOTTOM;
group.addView(expanded, lp);
} else if (n.tickerText != null) {
group = (ViewGroup)inflater.inflate(R.layout.ticker_compat, mWindow, false);
final Drawable icon = StatusBarIconView.getIcon(mContext,
new StatusBarIcon(notification.pkg, n.icon, n.iconLevel, 0));
ImageView iv = (ImageView)group.findViewById(iconId);
iv.setImageDrawable(icon);
iv.setVisibility(View.VISIBLE);
TextView tv = (TextView)group.findViewById(R.id.text);
tv.setText(n.tickerText);
} else {
throw new RuntimeException("tickerView==null && tickerText==null");
}
ImageView largeIcon = (ImageView)group.findViewById(R.id.large_icon);
if (n.largeIcon != null) {
largeIcon.setImageBitmap(n.largeIcon);
largeIcon.setVisibility(View.VISIBLE);
}
return group;
}
}
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