FloatingActionButtonImpl.java revision 092f4b4fc5610ed1a2c4f5108066726ee59d8f16 
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.content.res.ColorStateList;
20import android.content.res.Resources;
21import android.graphics.PorterDuff;
22import android.graphics.drawable.Drawable;
23import android.support.design.R;
24import android.support.v4.graphics.drawable.DrawableCompat;
25import android.view.View;
26
27abstract class FloatingActionButtonImpl {
28
29    static final int[] PRESSED_ENABLED_STATE_SET = {android.R.attr.state_pressed,
30            android.R.attr.state_enabled};
31    static final int[] FOCUSED_ENABLED_STATE_SET = {android.R.attr.state_focused,
32            android.R.attr.state_enabled};
33    static final int[] EMPTY_STATE_SET = new int[0];
34
35    final View mView;
36    final ShadowViewDelegate mShadowViewDelegate;
37
38    FloatingActionButtonImpl(View view, ShadowViewDelegate shadowViewDelegate) {
39        mView = view;
40        mShadowViewDelegate = shadowViewDelegate;
41    }
42
43    abstract void setBackgroundDrawable(Drawable originalBackground, ColorStateList backgroundTint,
44            PorterDuff.Mode backgroundTintMode, int rippleColor, int borderWidth);
45
46    abstract void setBackgroundTintList(ColorStateList tint);
47
48    abstract void setBackgroundTintMode(PorterDuff.Mode tintMode);
49
50    abstract void setRippleColor(int rippleColor);
51
52    abstract void setElevation(float elevation);
53
54    abstract void setPressedTranslationZ(float translationZ);
55
56    abstract void onDrawableStateChanged(int[] state);
57
58    abstract void jumpDrawableToCurrentState();
59
60    Drawable createBorderDrawable(int borderWidth, ColorStateList backgroundTint) {
61        final Resources resources = mView.getResources();
62        CircularBorderDrawable borderDrawable = newCircularDrawable();
63        borderDrawable.setGradientColors(
64                resources.getColor(R.color.fab_stroke_top_outer_color),
65                resources.getColor(R.color.fab_stroke_top_inner_color),
66                resources.getColor(R.color.fab_stroke_end_inner_color),
67                resources.getColor(R.color.fab_stroke_end_outer_color));
68        borderDrawable.setBorderWidth(borderWidth);
69        borderDrawable.setTintColor(backgroundTint.getDefaultColor());
70        return borderDrawable;
71    }
72
73    CircularBorderDrawable newCircularDrawable() {
74        return new CircularBorderDrawable();
75    }
76}
77