1/*
2 * Copyright (C) 2014 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;
18
19import android.content.Context;
20import android.graphics.Canvas;
21import android.graphics.drawable.Drawable;
22import android.util.AttributeSet;
23import android.widget.FrameLayout;
24import com.android.systemui.R;
25
26/**
27 * The guts of a notification revealed when performing a long press.
28 */
29public class NotificationGuts extends FrameLayout {
30
31    private Drawable mBackground;
32    private int mClipTopAmount;
33    private int mActualHeight;
34
35    public NotificationGuts(Context context, AttributeSet attrs) {
36        super(context, attrs);
37        setWillNotDraw(false);
38    }
39
40    @Override
41    protected void onDraw(Canvas canvas) {
42        draw(canvas, mBackground);
43    }
44
45    private void draw(Canvas canvas, Drawable drawable) {
46        if (drawable != null) {
47            drawable.setBounds(0, mClipTopAmount, getWidth(), mActualHeight);
48            drawable.draw(canvas);
49        }
50    }
51
52    @Override
53    protected void onFinishInflate() {
54        super.onFinishInflate();
55        mBackground = mContext.getDrawable(R.drawable.notification_guts_bg);
56        if (mBackground != null) {
57            mBackground.setCallback(this);
58        }
59    }
60
61    @Override
62    protected boolean verifyDrawable(Drawable who) {
63        return super.verifyDrawable(who) || who == mBackground;
64    }
65
66    @Override
67    protected void drawableStateChanged() {
68        drawableStateChanged(mBackground);
69    }
70
71    private void drawableStateChanged(Drawable d) {
72        if (d != null && d.isStateful()) {
73            d.setState(getDrawableState());
74        }
75    }
76
77    @Override
78    public void drawableHotspotChanged(float x, float y) {
79        if (mBackground != null) {
80            mBackground.setHotspot(x, y);
81        }
82    }
83
84    public void setActualHeight(int actualHeight) {
85        mActualHeight = actualHeight;
86        invalidate();
87    }
88
89    public int getActualHeight() {
90        return mActualHeight;
91    }
92
93    public void setClipTopAmount(int clipTopAmount) {
94        mClipTopAmount = clipTopAmount;
95        invalidate();
96    }
97
98    @Override
99    public boolean hasOverlappingRendering() {
100
101        // Prevents this view from creating a layer when alpha is animating.
102        return false;
103    }
104}
105