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/*
* Copyright (C) 2012 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.phone;
import android.app.StatusBarManager;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.util.AttributeSet;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewRootImpl;
import android.widget.FrameLayout;
import com.android.systemui.ExpandHelper;
import com.android.systemui.R;
import com.android.systemui.statusbar.BaseStatusBar;
import com.android.systemui.statusbar.stack.NotificationStackScrollLayout;
public class StatusBarWindowView extends FrameLayout
{
public static final String TAG = "StatusBarWindowView";
public static final boolean DEBUG = BaseStatusBar.DEBUG;
private ExpandHelper mExpandHelper;
private ViewGroup latestItems;
private NotificationPanelView mNotificationPanel;
private View mNotificationScroller;
PhoneStatusBar mService;
public StatusBarWindowView(Context context, AttributeSet attrs) {
super(context, attrs);
setMotionEventSplittingEnabled(false);
setWillNotDraw(!DEBUG);
}
@Override
protected void onAttachedToWindow () {
super.onAttachedToWindow();
ExpandHelper.ScrollAdapter scrollAdapter;
if (BaseStatusBar.ENABLE_NOTIFICATION_STACK) {
NotificationStackScrollLayout stackScrollLayout =
(NotificationStackScrollLayout) findViewById(R.id.notification_stack_scroller);
// ScrollView and notification container are unified in a single view now.
latestItems = stackScrollLayout;
scrollAdapter = stackScrollLayout;
mNotificationScroller = stackScrollLayout;
} else {
latestItems = (ViewGroup) findViewById(R.id.latestItems);
mNotificationScroller = findViewById(R.id.scroll);
scrollAdapter = new ExpandHelper.ScrollAdapter() {
@Override
public boolean isScrolledToTop() {
return mNotificationScroller.getScrollY() == 0;
}
@Override
public View getHostView() {
return mNotificationScroller;
}
};
}
mNotificationPanel = (NotificationPanelView) findViewById(R.id.notification_panel);
int minHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_min_height);
int maxHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_max_height);
mExpandHelper = new ExpandHelper(getContext(), (ExpandHelper.Callback) latestItems,
minHeight, maxHeight);
mExpandHelper.setEventSource(this);
mExpandHelper.setScrollAdapter(scrollAdapter);
// We really need to be able to animate while window animations are going on
// so that activities may be started asynchronously from panel animations
final ViewRootImpl root = getViewRootImpl();
if (root != null) {
root.setDrawDuringWindowsAnimating(true);
}
}
@Override
public boolean dispatchKeyEvent(KeyEvent event) {
boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
switch (event.getKeyCode()) {
case KeyEvent.KEYCODE_BACK:
if (!down) {
mService.animateCollapsePanels();
}
return true;
}
return super.dispatchKeyEvent(event);
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
boolean intercept = false;
if (mNotificationPanel.isFullyExpanded()
&& mNotificationScroller.getVisibility() == View.VISIBLE) {
intercept = mExpandHelper.onInterceptTouchEvent(ev);
}
if (!intercept) {
super.onInterceptTouchEvent(ev);
}
if (intercept) {
MotionEvent cancellation = MotionEvent.obtain(ev);
cancellation.setAction(MotionEvent.ACTION_CANCEL);
latestItems.onInterceptTouchEvent(cancellation);
cancellation.recycle();
}
return intercept;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
boolean handled = false;
if (mNotificationPanel.isFullyExpanded()) {
handled = mExpandHelper.onTouchEvent(ev);
}
if (!handled) {
handled = super.onTouchEvent(ev);
}
final int action = ev.getAction();
if (!handled && (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL)) {
mService.setInteracting(StatusBarManager.WINDOW_STATUS_BAR, false);
}
return handled;
}
@Override
public void onDraw(Canvas canvas) {
super.onDraw(canvas);
if (DEBUG) {
Paint pt = new Paint();
pt.setColor(0x80FFFF00);
pt.setStrokeWidth(12.0f);
pt.setStyle(Paint.Style.STROKE);
canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), pt);
}
}
public void cancelExpandHelper() {
if (mExpandHelper != null) {
mExpandHelper.cancel();
}
}
}
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