1/*
2 * Copyright (C) 2015 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 android.support.design.widget;
18
19import android.animation.Animator;
20import android.animation.AnimatorListenerAdapter;
21import android.support.annotation.Nullable;
22import android.support.v4.view.ViewCompat;
23import android.view.View;
24
25class FloatingActionButtonIcs extends FloatingActionButtonEclairMr1 {
26
27    private boolean mIsHiding;
28
29    FloatingActionButtonIcs(VisibilityAwareImageButton view,
30            ShadowViewDelegate shadowViewDelegate) {
31        super(view, shadowViewDelegate);
32    }
33
34    @Override
35    boolean requirePreDrawListener() {
36        return true;
37    }
38
39    @Override
40    void onPreDraw() {
41        updateFromViewRotation(mView.getRotation());
42    }
43
44    @Override
45    void hide(@Nullable final InternalVisibilityChangedListener listener, final boolean fromUser) {
46        if (mIsHiding || mView.getVisibility() != View.VISIBLE) {
47            // A hide animation is in progress, or we're already hidden. Skip the call
48            if (listener != null) {
49                listener.onHidden();
50            }
51            return;
52        }
53
54        if (!ViewCompat.isLaidOut(mView) || mView.isInEditMode()) {
55            // If the view isn't laid out, or we're in the editor, don't run the animation
56            mView.internalSetVisibility(View.GONE, fromUser);
57            if (listener != null) {
58                listener.onHidden();
59            }
60        } else {
61            mView.animate().cancel();
62            mView.animate()
63                    .scaleX(0f)
64                    .scaleY(0f)
65                    .alpha(0f)
66                    .setDuration(SHOW_HIDE_ANIM_DURATION)
67                    .setInterpolator(AnimationUtils.FAST_OUT_LINEAR_IN_INTERPOLATOR)
68                    .setListener(new AnimatorListenerAdapter() {
69                        private boolean mCancelled;
70
71                        @Override
72                        public void onAnimationStart(Animator animation) {
73                            mIsHiding = true;
74                            mCancelled = false;
75                            mView.internalSetVisibility(View.VISIBLE, fromUser);
76                        }
77
78                        @Override
79                        public void onAnimationCancel(Animator animation) {
80                            mIsHiding = false;
81                            mCancelled = true;
82                        }
83
84                        @Override
85                        public void onAnimationEnd(Animator animation) {
86                            mIsHiding = false;
87                            if (!mCancelled) {
88                                mView.internalSetVisibility(View.GONE, fromUser);
89                                if (listener != null) {
90                                    listener.onHidden();
91                                }
92                            }
93                        }
94                    });
95        }
96    }
97
98    @Override
99    void show(@Nullable final InternalVisibilityChangedListener listener, final boolean fromUser) {
100        if (mIsHiding || mView.getVisibility() != View.VISIBLE) {
101            if (ViewCompat.isLaidOut(mView) && !mView.isInEditMode()) {
102                mView.animate().cancel();
103                if (mView.getVisibility() != View.VISIBLE) {
104                    // If the view isn't visible currently, we'll animate it from a single pixel
105                    mView.setAlpha(0f);
106                    mView.setScaleY(0f);
107                    mView.setScaleX(0f);
108                }
109                mView.animate()
110                        .scaleX(1f)
111                        .scaleY(1f)
112                        .alpha(1f)
113                        .setDuration(SHOW_HIDE_ANIM_DURATION)
114                        .setInterpolator(AnimationUtils.LINEAR_OUT_SLOW_IN_INTERPOLATOR)
115                        .setListener(new AnimatorListenerAdapter() {
116                            @Override
117                            public void onAnimationStart(Animator animation) {
118                                mView.internalSetVisibility(View.VISIBLE, fromUser);
119                            }
120
121                            @Override
122                            public void onAnimationEnd(Animator animation) {
123                                if (listener != null) {
124                                    listener.onShown();
125                                }
126                            }
127                        });
128            } else {
129                mView.internalSetVisibility(View.VISIBLE, fromUser);
130                mView.setAlpha(1f);
131                mView.setScaleY(1f);
132                mView.setScaleX(1f);
133                if (listener != null) {
134                    listener.onShown();
135                }
136            }
137        }
138    }
139
140    private void updateFromViewRotation(float rotation) {
141        // Offset any View rotation
142        if (mShadowDrawable != null) {
143            mShadowDrawable.setRotation(-rotation);
144        }
145        if (mBorderDrawable != null) {
146            mBorderDrawable.setRotation(-rotation);
147        }
148    }
149}
150