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.qs;
18
19import android.animation.Animator;
20import android.animation.Animator.AnimatorListener;
21import android.animation.AnimatorListenerAdapter;
22import android.graphics.drawable.TransitionDrawable;
23import android.view.View;
24import android.view.ViewAnimationUtils;
25
26/** Helper for quick settings detail panel clip animations. **/
27public class QSDetailClipper {
28
29    private final View mDetail;
30    private final TransitionDrawable mBackground;
31
32    private Animator mAnimator;
33
34    public QSDetailClipper(View detail) {
35        mDetail = detail;
36        mBackground = (TransitionDrawable) detail.getBackground();
37    }
38
39    public void animateCircularClip(int x, int y, boolean in, AnimatorListener listener) {
40        if (mAnimator != null) {
41            mAnimator.cancel();
42        }
43        final int w = mDetail.getWidth() - x;
44        final int h = mDetail.getHeight() - y;
45        int innerR = 0;
46        if (x < 0 || w < 0 || y < 0 || h < 0) {
47            innerR = Math.abs(x);
48            innerR = Math.min(innerR, Math.abs(y));
49            innerR = Math.min(innerR, Math.abs(w));
50            innerR = Math.min(innerR, Math.abs(h));
51        }
52        int r = (int) Math.ceil(Math.sqrt(x * x + y * y));
53        r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + y * y)));
54        r = (int) Math.max(r, Math.ceil(Math.sqrt(w * w + h * h)));
55        r = (int) Math.max(r, Math.ceil(Math.sqrt(x * x + h * h)));
56        if (in) {
57            mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, innerR, r);
58        } else {
59            mAnimator = ViewAnimationUtils.createCircularReveal(mDetail, x, y, r, innerR);
60        }
61        mAnimator.setDuration((long)(mAnimator.getDuration() * 1.5));
62        if (listener != null) {
63            mAnimator.addListener(listener);
64        }
65        if (in) {
66            mBackground.startTransition((int)(mAnimator.getDuration() * 0.6));
67            mAnimator.addListener(mVisibleOnStart);
68        } else {
69            mDetail.postDelayed(mReverseBackground, (long)(mAnimator.getDuration() * 0.65));
70            mAnimator.addListener(mGoneOnEnd);
71        }
72        mAnimator.start();
73    }
74
75    private final Runnable mReverseBackground = new Runnable() {
76        @Override
77        public void run() {
78            if (mAnimator != null) {
79                mBackground.reverseTransition((int)(mAnimator.getDuration() * 0.35));
80            }
81        }
82    };
83
84    private final AnimatorListenerAdapter mVisibleOnStart = new AnimatorListenerAdapter() {
85        @Override
86        public void onAnimationStart(Animator animation) {
87            mDetail.setVisibility(View.VISIBLE);
88        }
89
90        public void onAnimationEnd(Animator animation) {
91            mAnimator = null;
92        }
93    };
94
95    private final AnimatorListenerAdapter mGoneOnEnd = new AnimatorListenerAdapter() {
96        @Override
97        public void onAnimationEnd(Animator animation) {
98            mDetail.setVisibility(View.GONE);
99            mBackground.resetTransition();
100            mAnimator = null;
101        };
102    };
103}
104