StatusBarWindowView.java revision 01534780dfaf81c9f89a6e19fe2fe42cfdd01ff7 
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
17package com.android.systemui.statusbar.phone;
18
19import android.app.StatusBarManager;
20import android.content.Context;
21import android.graphics.Canvas;
22import android.graphics.Paint;
23import android.util.AttributeSet;
24import android.view.KeyEvent;
25import android.view.MotionEvent;
26import android.view.View;
27import android.view.ViewRootImpl;
28import android.widget.FrameLayout;
29import android.widget.ScrollView;
30
31import com.android.systemui.ExpandHelper;
32import com.android.systemui.R;
33import com.android.systemui.statusbar.BaseStatusBar;
34import com.android.systemui.statusbar.policy.NotificationRowLayout;
35
36
37public class StatusBarWindowView extends FrameLayout
38{
39    public static final String TAG = "StatusBarWindowView";
40    public static final boolean DEBUG = BaseStatusBar.DEBUG;
41
42    private ExpandHelper mExpandHelper;
43    private NotificationRowLayout latestItems;
44    private NotificationPanelView mNotificationPanel;
45    private ScrollView mScrollView;
46
47    PhoneStatusBar mService;
48
49    public StatusBarWindowView(Context context, AttributeSet attrs) {
50        super(context, attrs);
51        setMotionEventSplittingEnabled(false);
52        setWillNotDraw(!DEBUG);
53    }
54
55    @Override
56    protected void onAttachedToWindow () {
57        super.onAttachedToWindow();
58        latestItems = (NotificationRowLayout) findViewById(R.id.latestItems);
59        mScrollView = (ScrollView) findViewById(R.id.scroll);
60        mNotificationPanel = (NotificationPanelView) findViewById(R.id.notification_panel);
61        int minHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_min_height);
62        int maxHeight = getResources().getDimensionPixelSize(R.dimen.notification_row_max_height);
63        mExpandHelper = new ExpandHelper(getContext(), latestItems, minHeight, maxHeight);
64        mExpandHelper.setEventSource(this);
65        mExpandHelper.setScrollView(mScrollView);
66
67        // We really need to be able to animate while window animations are going on
68        // so that activities may be started asynchronously from panel animations
69        final ViewRootImpl root = getViewRootImpl();
70        if (root != null) {
71            root.setDrawDuringWindowsAnimating(true);
72        }
73    }
74
75    @Override
76    public boolean dispatchKeyEvent(KeyEvent event) {
77        boolean down = event.getAction() == KeyEvent.ACTION_DOWN;
78        switch (event.getKeyCode()) {
79        case KeyEvent.KEYCODE_BACK:
80            if (!down) {
81                mService.animateCollapsePanels();
82            }
83            return true;
84        }
85        return super.dispatchKeyEvent(event);
86    }
87
88    @Override
89    public boolean onInterceptTouchEvent(MotionEvent ev) {
90        boolean intercept = false;
91        if (mNotificationPanel.isFullyExpanded() && mScrollView.getVisibility() == View.VISIBLE) {
92            intercept = mExpandHelper.onInterceptTouchEvent(ev);
93        }
94        if (!intercept) {
95            super.onInterceptTouchEvent(ev);
96        }
97        if (intercept) {
98            MotionEvent cancellation = MotionEvent.obtain(ev);
99            cancellation.setAction(MotionEvent.ACTION_CANCEL);
100            latestItems.onInterceptTouchEvent(cancellation);
101            cancellation.recycle();
102        }
103        return intercept;
104    }
105
106    @Override
107    public boolean onTouchEvent(MotionEvent ev) {
108        boolean handled = false;
109        if (mNotificationPanel.isFullyExpanded()) {
110            handled = mExpandHelper.onTouchEvent(ev);
111        }
112        if (!handled) {
113            handled = super.onTouchEvent(ev);
114        }
115        final int action = ev.getAction();
116        if (!handled && (action == MotionEvent.ACTION_UP || action == MotionEvent.ACTION_CANCEL)) {
117            mService.setInteracting(StatusBarManager.WINDOW_STATUS_BAR, false);
118        }
119        return handled;
120    }
121
122    @Override
123    public void onDraw(Canvas canvas) {
124        super.onDraw(canvas);
125        if (DEBUG) {
126            Paint pt = new Paint();
127            pt.setColor(0x80FFFF00);
128            pt.setStrokeWidth(12.0f);
129            pt.setStyle(Paint.Style.STROKE);
130            canvas.drawRect(0, 0, canvas.getWidth(), canvas.getHeight(), pt);
131        }
132    }
133
134    public void cancelExpandHelper() {
135        if (mExpandHelper != null) {
136            mExpandHelper.cancel();
137        }
138    }
139}
140
141