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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.android.systemui.statusbar.phone;
     18 
     19 import android.content.Context;
     20 import android.graphics.Canvas;
     21 import android.graphics.Paint;
     22 import android.util.AttributeSet;
     23 import android.util.Log;
     24 import android.view.KeyEvent;
     25 import android.view.MotionEvent;
     26 import android.view.View;
     27 import android.view.ViewRootImpl;
     28 import android.widget.FrameLayout;
     29 import android.widget.ScrollView;
     30 import android.widget.TextSwitcher;
     31 
     32 import com.android.systemui.ExpandHelper;
     33 import com.android.systemui.R;
     34 import com.android.systemui.statusbar.BaseStatusBar;
     35 import com.android.systemui.statusbar.policy.NotificationRowLayout;
     36 
     37 
     38 public class StatusBarWindowView extends FrameLayout
     39 {
     40     public static final String TAG = "StatusBarWindowView";
     41     public static final boolean DEBUG = BaseStatusBar.DEBUG;
     42 
     43     private ExpandHelper mExpandHelper;
     44     private NotificationRowLayout latestItems;
     45     private NotificationPanelView mNotificationPanel;
     46     private ScrollView mScrollView;
     47 
     48     PhoneStatusBar mService;
     49 
     50     public StatusBarWindowView(Context context, AttributeSet attrs) {
     51         super(context, attrs);
     52         setMotionEventSplittingEnabled(false);
     53         setWillNotDraw(!DEBUG);
     54     }
     55 
     56     @Override
     57     protected void onAttachedToWindow () {
     58         super.onAttachedToWindow();
     59         latestItems = (NotificationRowLayout) findViewById(R.id.latestItems);
     60         mScrollView = (ScrollView) findViewById(R.id.scroll);
     61         mNotificationPanel = (NotificationPanelView) findViewById(R.id.notification_panel);
     62         int minHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_min_height);
     63         int maxHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_max_height);
     64         mExpandHelper = new ExpandHelper(mContext, latestItems, minHeight, maxHeight);
     65         mExpandHelper.setEventSource(this);
     66         mExpandHelper.setScrollView(mScrollView);
     67 
     68         // We really need to be able to animate while window animations are going on
     69         // so that activities may be started asynchronously from panel animations
     70         final ViewRootImpl root = getViewRootImpl();
     71         if (root != null) {
     72             root.setDrawDuringWindowsAnimating(true);
     73         }
     74     }
     75 
     76     @Override
     77     public boolean dispatchKeyEvent(KeyEvent event) {
     78         boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
     79         switch (event.getKeyCode()) {
     80         case KeyEvent.KEYCODE_BACK:
     81             if (!down) {
     82                 mService.animateCollapsePanels();
     83             }
     84             return true;
     85         }
     86         return super.dispatchKeyEvent(event);
     87     }
     88 
     89     @Override
     90     public boolean onInterceptTouchEvent(MotionEvent ev) {
     91         boolean intercept = false;
     92         if (mNotificationPanel.isFullyExpanded() && mScrollView.getVisibility() == View.VISIBLE) {
     93             intercept = mExpandHelper.onInterceptTouchEvent(ev);
     94         }
     95         if (!intercept) {
     96             super.onInterceptTouchEvent(ev);
     97         }
     98         if (intercept) {
     99             MotionEvent cancellation = MotionEvent.obtain(ev);
    100             cancellation.setAction(MotionEvent.ACTION_CANCEL);
    101             latestItems.onInterceptTouchEvent(cancellation);
    102             cancellation.recycle();
    103         }
    104         return intercept;
    105     }
    106 
    107     @Override
    108     public boolean onTouchEvent(MotionEvent ev) {
    109         boolean handled = false;
    110         if (mNotificationPanel.isFullyExpanded()) {
    111             handled = mExpandHelper.onTouchEvent(ev);
    112         }
    113         if (!handled) {
    114             handled = super.onTouchEvent(ev);
    115         }
    116         return handled;
    117     }
    118 
    119     @Override
    120     public void onDraw(Canvas canvas) {
    121         super.onDraw(canvas);
    122         if (DEBUG) {
    123             Paint pt = new Paint();
    124             pt.setColor(0x80FFFF00);
    125             pt.setStrokeWidth(12.0f);
    126             pt.setStyle(Paint.Style.STROKE);
    127             canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), pt);
    128         }
    129     }
    130 
    131     public void cancelExpandHelper() {
    132         if (mExpandHelper != null) {
    133             mExpandHelper.cancel();
    134         }
    135     }
    136 }
    137 
    138