NotificationPanelView.java revision e677d7113f6627161653f686b6381d2eef4d502f 
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.content.Context;
20import android.content.res.Resources;
21import android.graphics.Canvas;
22import android.graphics.drawable.Drawable;
23import android.util.AttributeSet;
24import android.util.EventLog;
25import android.view.MotionEvent;
26import android.view.View;
27import android.view.accessibility.AccessibilityEvent;
28
29import com.android.systemui.EventLogTags;
30import com.android.systemui.R;
31import com.android.systemui.statusbar.GestureRecorder;
32
33public class NotificationPanelView extends PanelView {
34    public static final boolean DEBUG_GESTURES = true;
35
36    Drawable mHandleBar;
37    int mHandleBarHeight;
38    View mHandleView;
39    int mFingers;
40    PhoneStatusBar mStatusBar;
41    boolean mOkToFlip;
42
43    public NotificationPanelView(Context context, AttributeSet attrs) {
44        super(context, attrs);
45    }
46
47    public void setStatusBar(PhoneStatusBar bar) {
48        mStatusBar = bar;
49    }
50
51    @Override
52    protected void onFinishInflate() {
53        super.onFinishInflate();
54
55        Resources resources = getContext().getResources();
56        mHandleBar = resources.getDrawable(R.drawable.status_bar_close);
57        mHandleBarHeight = resources.getDimensionPixelSize(R.dimen.close_handle_height);
58        mHandleView = findViewById(R.id.handle);
59        PanelHeaderView header = (PanelHeaderView) findViewById(R.id.header);
60        ZenModeView zenModeView = (ZenModeView) findViewById(R.id.zenmode);
61        zenModeView.setAdapter( new ZenModeViewAdapter(mContext));
62        header.setZenModeView(zenModeView);
63    }
64
65    @Override
66    public void fling(float vel, boolean always) {
67        GestureRecorder gr = ((PhoneStatusBarView) mBar).mBar.getGestureRecorder();
68        if (gr != null) {
69            gr.tag(
70                "fling " + ((vel > 0) ? "open" : "closed"),
71                "notifications,v=" + vel);
72        }
73        super.fling(vel, always);
74    }
75
76    @Override
77    public boolean dispatchPopulateAccessibilityEvent(AccessibilityEvent event) {
78        if (event.getEventType() == AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED) {
79            event.getText()
80                    .add(getContext().getString(R.string.accessibility_desc_notification_shade));
81            return true;
82        }
83
84        return super.dispatchPopulateAccessibilityEvent(event);
85    }
86
87    // We draw the handle ourselves so that it's always glued to the bottom of the window.
88    @Override
89    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
90        super.onLayout(changed, left, top, right, bottom);
91        if (changed) {
92            final int pl = getPaddingLeft();
93            final int pr = getPaddingRight();
94            mHandleBar.setBounds(pl, 0, getWidth() - pr, (int) mHandleBarHeight);
95        }
96    }
97
98    @Override
99    public void draw(Canvas canvas) {
100        super.draw(canvas);
101        final int off = (int) (getHeight() - mHandleBarHeight - getPaddingBottom());
102        canvas.translate(0, off);
103        mHandleBar.setState(mHandleView.getDrawableState());
104        mHandleBar.draw(canvas);
105        canvas.translate(0, -off);
106    }
107
108    @Override
109    public boolean onTouchEvent(MotionEvent event) {
110        if (DEBUG_GESTURES) {
111            if (event.getActionMasked() != MotionEvent.ACTION_MOVE) {
112                EventLog.writeEvent(EventLogTags.SYSUI_NOTIFICATIONPANEL_TOUCH,
113                       event.getActionMasked(), (int) event.getX(), (int) event.getY());
114            }
115        }
116        if (PhoneStatusBar.SETTINGS_DRAG_SHORTCUT && mStatusBar.mHasFlipSettings) {
117            switch (event.getActionMasked()) {
118                case MotionEvent.ACTION_DOWN:
119                    mOkToFlip = getExpandedHeight() == 0;
120                    break;
121                case MotionEvent.ACTION_POINTER_DOWN:
122                    if (mOkToFlip) {
123                        float miny = event.getY(0);
124                        float maxy = miny;
125                        for (int i=1; i<event.getPointerCount(); i++) {
126                            final float y = event.getY(i);
127                            if (y < miny) miny = y;
128                            if (y > maxy) maxy = y;
129                        }
130                        if (maxy - miny < mHandleBarHeight) {
131                            if (getMeasuredHeight() < mHandleBarHeight) {
132                                mStatusBar.switchToSettings();
133                            } else {
134                                mStatusBar.flipToSettings();
135                            }
136                            mOkToFlip = false;
137                        }
138                    }
139                    break;
140            }
141        }
142        return mHandleView.dispatchTouchEvent(event);
143    }
144}
145