FloatingActionButton.java revision 8c05e5f52fbc790b745e768398d9e69d6b9d9ee1
19840efe3dbdc7026521da8576574c55120782f6cChris Banes/* 29840efe3dbdc7026521da8576574c55120782f6cChris Banes * Copyright (C) 2015 The Android Open Source Project 39840efe3dbdc7026521da8576574c55120782f6cChris Banes * 49840efe3dbdc7026521da8576574c55120782f6cChris Banes * Licensed under the Apache License, Version 2.0 (the "License"); 59840efe3dbdc7026521da8576574c55120782f6cChris Banes * you may not use this file except in compliance with the License. 69840efe3dbdc7026521da8576574c55120782f6cChris Banes * You may obtain a copy of the License at 79840efe3dbdc7026521da8576574c55120782f6cChris Banes * 89840efe3dbdc7026521da8576574c55120782f6cChris Banes * http://www.apache.org/licenses/LICENSE-2.0 99840efe3dbdc7026521da8576574c55120782f6cChris Banes * 109840efe3dbdc7026521da8576574c55120782f6cChris Banes * Unless required by applicable law or agreed to in writing, software 119840efe3dbdc7026521da8576574c55120782f6cChris Banes * distributed under the License is distributed on an "AS IS" BASIS, 129840efe3dbdc7026521da8576574c55120782f6cChris Banes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 139840efe3dbdc7026521da8576574c55120782f6cChris Banes * See the License for the specific language governing permissions and 149840efe3dbdc7026521da8576574c55120782f6cChris Banes * limitations under the License. 159840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 169840efe3dbdc7026521da8576574c55120782f6cChris Banes 179840efe3dbdc7026521da8576574c55120782f6cChris Banespackage android.support.design.widget; 189840efe3dbdc7026521da8576574c55120782f6cChris Banes 199840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.annotation.TargetApi; 209840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.content.Context; 219840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.content.res.ColorStateList; 229840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.content.res.TypedArray; 239840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.graphics.PorterDuff; 249840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.graphics.Rect; 259840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.graphics.drawable.Drawable; 269840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.os.Build; 277a13c8489daca7915623dd673df49de2d1a0bf30Chris Banesimport android.support.annotation.ColorInt; 287a13c8489daca7915623dd673df49de2d1a0bf30Chris Banesimport android.support.annotation.NonNull; 299840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.support.annotation.Nullable; 309840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.support.design.R; 310ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Weiimport android.support.design.widget.FloatingActionButtonImpl.InternalVisibilityChangedListener; 32b7f9224b1495db47eb8fd813b5912250e900770aChris Banesimport android.support.v4.view.ViewCompat; 339840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.util.AttributeSet; 3414d064edb3e4a16a3b90a4a850560177bea1e60dChris Banesimport android.view.View; 353531cb37189bcbd3039056f959e0916dff645d0aChris Banesimport android.widget.ImageButton; 369840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.widget.ImageView; 379840efe3dbdc7026521da8576574c55120782f6cChris Banes 38a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banesimport java.util.List; 39b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 409840efe3dbdc7026521da8576574c55120782f6cChris Banes/** 419840efe3dbdc7026521da8576574c55120782f6cChris Banes * Floating action buttons are used for a special type of promoted action. They are distinguished 4214d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes * by a circled icon floating above the UI and have special motion behaviors related to morphing, 439840efe3dbdc7026521da8576574c55120782f6cChris Banes * launching, and the transferring anchor point. 449840efe3dbdc7026521da8576574c55120782f6cChris Banes * 459fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>Floating action buttons come in two sizes: the default and the mini. The size can be 469fb154338a62edc2c57dc036895199d6f1769400Chris Banes * controlled with the {@code fabSize} attribute.</p> 479fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 489fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>As this class descends from {@link ImageView}, you can control the icon which is displayed 499fb154338a62edc2c57dc036895199d6f1769400Chris Banes * via {@link #setImageDrawable(Drawable)}.</p> 509fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 519fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>The background color of this view defaults to the your theme's {@code colorAccent}. If you 529fb154338a62edc2c57dc036895199d6f1769400Chris Banes * wish to change this at runtime then you can do so via 539fb154338a62edc2c57dc036895199d6f1769400Chris Banes * {@link #setBackgroundTintList(ColorStateList)}.</p> 549fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 559fb154338a62edc2c57dc036895199d6f1769400Chris Banes * @attr ref android.support.design.R.styleable#FloatingActionButton_fabSize 569840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 57b7f9224b1495db47eb8fd813b5912250e900770aChris Banes@CoordinatorLayout.DefaultBehavior(FloatingActionButton.Behavior.class) 583531cb37189bcbd3039056f959e0916dff645d0aChris Banespublic class FloatingActionButton extends ImageButton { 599840efe3dbdc7026521da8576574c55120782f6cChris Banes 600ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei /** 610ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * Callback to be invoked when the visibility of a FloatingActionButton changes. 620ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei */ 630ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public abstract static class OnVisibilityChangedListener { 640ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei /** 650ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * Called when a FloatingActionButton has been 660ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * {@link #show(OnVisibilityChangedListener) shown}. 670ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * 680ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * @param fab the FloatingActionButton that was shown. 690ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei */ 700ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void onShown(FloatingActionButton fab) {} 710ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 720ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei /** 730ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * Called when a FloatingActionButton has been 740ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * {@link #hide(OnVisibilityChangedListener) hidden}. 750ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * 760ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * @param fab the FloatingActionButton that was hidden. 770ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei */ 780ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void onHidden(FloatingActionButton fab) {} 790ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 800ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 819840efe3dbdc7026521da8576574c55120782f6cChris Banes // These values must match those in the attrs declaration 829840efe3dbdc7026521da8576574c55120782f6cChris Banes private static final int SIZE_MINI = 1; 839840efe3dbdc7026521da8576574c55120782f6cChris Banes private static final int SIZE_NORMAL = 0; 849840efe3dbdc7026521da8576574c55120782f6cChris Banes 859840efe3dbdc7026521da8576574c55120782f6cChris Banes private ColorStateList mBackgroundTint; 869840efe3dbdc7026521da8576574c55120782f6cChris Banes private PorterDuff.Mode mBackgroundTintMode; 879840efe3dbdc7026521da8576574c55120782f6cChris Banes 88cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes private int mBorderWidth; 899840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mRippleColor; 909840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mSize; 919840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mContentPadding; 929840efe3dbdc7026521da8576574c55120782f6cChris Banes 939840efe3dbdc7026521da8576574c55120782f6cChris Banes private final Rect mShadowPadding; 949840efe3dbdc7026521da8576574c55120782f6cChris Banes 959840efe3dbdc7026521da8576574c55120782f6cChris Banes private final FloatingActionButtonImpl mImpl; 969840efe3dbdc7026521da8576574c55120782f6cChris Banes 979840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context) { 989840efe3dbdc7026521da8576574c55120782f6cChris Banes this(context, null); 999840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1009840efe3dbdc7026521da8576574c55120782f6cChris Banes 1019840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context, AttributeSet attrs) { 1029840efe3dbdc7026521da8576574c55120782f6cChris Banes this(context, attrs, 0); 1039840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1049840efe3dbdc7026521da8576574c55120782f6cChris Banes 1059840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) { 1069840efe3dbdc7026521da8576574c55120782f6cChris Banes super(context, attrs, defStyleAttr); 1079840efe3dbdc7026521da8576574c55120782f6cChris Banes 108809bb62055ad42b88f3a69308be222801b89fbd9Chris Banes ThemeUtils.checkAppCompatTheme(context); 109809bb62055ad42b88f3a69308be222801b89fbd9Chris Banes 1109840efe3dbdc7026521da8576574c55120782f6cChris Banes mShadowPadding = new Rect(); 1119840efe3dbdc7026521da8576574c55120782f6cChris Banes 1129840efe3dbdc7026521da8576574c55120782f6cChris Banes TypedArray a = context.obtainStyledAttributes(attrs, 1139840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton, defStyleAttr, 1149840efe3dbdc7026521da8576574c55120782f6cChris Banes R.style.Widget_Design_FloatingActionButton); 1159840efe3dbdc7026521da8576574c55120782f6cChris Banes Drawable background = a.getDrawable(R.styleable.FloatingActionButton_android_background); 1169840efe3dbdc7026521da8576574c55120782f6cChris Banes mBackgroundTint = a.getColorStateList(R.styleable.FloatingActionButton_backgroundTint); 1179840efe3dbdc7026521da8576574c55120782f6cChris Banes mBackgroundTintMode = parseTintMode(a.getInt( 1189840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton_backgroundTintMode, -1), null); 1199840efe3dbdc7026521da8576574c55120782f6cChris Banes mRippleColor = a.getColor(R.styleable.FloatingActionButton_rippleColor, 0); 1209840efe3dbdc7026521da8576574c55120782f6cChris Banes mSize = a.getInt(R.styleable.FloatingActionButton_fabSize, SIZE_NORMAL); 121cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes mBorderWidth = a.getDimensionPixelSize(R.styleable.FloatingActionButton_borderWidth, 0); 1229840efe3dbdc7026521da8576574c55120782f6cChris Banes final float elevation = a.getDimension(R.styleable.FloatingActionButton_elevation, 0f); 1239840efe3dbdc7026521da8576574c55120782f6cChris Banes final float pressedTranslationZ = a.getDimension( 1249840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton_pressedTranslationZ, 0f); 1259840efe3dbdc7026521da8576574c55120782f6cChris Banes a.recycle(); 1269840efe3dbdc7026521da8576574c55120782f6cChris Banes 1279840efe3dbdc7026521da8576574c55120782f6cChris Banes final ShadowViewDelegate delegate = new ShadowViewDelegate() { 1289840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1299840efe3dbdc7026521da8576574c55120782f6cChris Banes public float getRadius() { 1309840efe3dbdc7026521da8576574c55120782f6cChris Banes return getSizeDimension() / 2f; 1319840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1329840efe3dbdc7026521da8576574c55120782f6cChris Banes 1339840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1349840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setShadowPadding(int left, int top, int right, int bottom) { 1359840efe3dbdc7026521da8576574c55120782f6cChris Banes mShadowPadding.set(left, top, right, bottom); 1369840efe3dbdc7026521da8576574c55120782f6cChris Banes 1379840efe3dbdc7026521da8576574c55120782f6cChris Banes setPadding(left + mContentPadding, top + mContentPadding, 1389840efe3dbdc7026521da8576574c55120782f6cChris Banes right + mContentPadding, bottom + mContentPadding); 1399840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1409840efe3dbdc7026521da8576574c55120782f6cChris Banes 1419840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1429840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundDrawable(Drawable background) { 1439840efe3dbdc7026521da8576574c55120782f6cChris Banes FloatingActionButton.super.setBackgroundDrawable(background); 1449840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1459840efe3dbdc7026521da8576574c55120782f6cChris Banes }; 1469840efe3dbdc7026521da8576574c55120782f6cChris Banes 147be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes final int sdk = Build.VERSION.SDK_INT; 148be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (sdk >= 21) { 1499840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl = new FloatingActionButtonLollipop(this, delegate); 150be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } else if (sdk >= 12) { 151be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes mImpl = new FloatingActionButtonHoneycombMr1(this, delegate); 1529840efe3dbdc7026521da8576574c55120782f6cChris Banes } else { 1539840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl = new FloatingActionButtonEclairMr1(this, delegate); 1549840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1559840efe3dbdc7026521da8576574c55120782f6cChris Banes 156a577676a64e5353b8ec927117151aa6be84adf66Chris Banes final int maxContentSize = (int) getResources().getDimension( 157a577676a64e5353b8ec927117151aa6be84adf66Chris Banes R.dimen.design_fab_content_size); 1589840efe3dbdc7026521da8576574c55120782f6cChris Banes mContentPadding = (getSizeDimension() - maxContentSize) / 2; 1599840efe3dbdc7026521da8576574c55120782f6cChris Banes 1609840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setBackgroundDrawable(background, mBackgroundTint, 161cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes mBackgroundTintMode, mRippleColor, mBorderWidth); 1629840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setElevation(elevation); 1639840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setPressedTranslationZ(pressedTranslationZ); 1649840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1659840efe3dbdc7026521da8576574c55120782f6cChris Banes 1669840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1679840efe3dbdc7026521da8576574c55120782f6cChris Banes protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1689840efe3dbdc7026521da8576574c55120782f6cChris Banes final int preferredSize = getSizeDimension(); 1699840efe3dbdc7026521da8576574c55120782f6cChris Banes 1709840efe3dbdc7026521da8576574c55120782f6cChris Banes final int w = resolveAdjustedSize(preferredSize, widthMeasureSpec); 1719840efe3dbdc7026521da8576574c55120782f6cChris Banes final int h = resolveAdjustedSize(preferredSize, heightMeasureSpec); 1729840efe3dbdc7026521da8576574c55120782f6cChris Banes 1739840efe3dbdc7026521da8576574c55120782f6cChris Banes // As we want to stay circular, we set both dimensions to be the 1749840efe3dbdc7026521da8576574c55120782f6cChris Banes // smallest resolved dimension 1759840efe3dbdc7026521da8576574c55120782f6cChris Banes final int d = Math.min(w, h); 1769840efe3dbdc7026521da8576574c55120782f6cChris Banes 1779840efe3dbdc7026521da8576574c55120782f6cChris Banes // We add the shadow's padding to the measured dimension 1789840efe3dbdc7026521da8576574c55120782f6cChris Banes setMeasuredDimension( 1799840efe3dbdc7026521da8576574c55120782f6cChris Banes d + mShadowPadding.left + mShadowPadding.right, 1809840efe3dbdc7026521da8576574c55120782f6cChris Banes d + mShadowPadding.top + mShadowPadding.bottom); 1819840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1829840efe3dbdc7026521da8576574c55120782f6cChris Banes 1839840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1849840efe3dbdc7026521da8576574c55120782f6cChris Banes * Set the ripple color for this {@link FloatingActionButton}. 1859840efe3dbdc7026521da8576574c55120782f6cChris Banes * <p> 1869840efe3dbdc7026521da8576574c55120782f6cChris Banes * When running on devices with KitKat or below, we draw a fill rather than a ripple. 1879840efe3dbdc7026521da8576574c55120782f6cChris Banes * 1889840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param color ARGB color to use for the ripple. 1899840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 1907a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes public void setRippleColor(@ColorInt int color) { 1919840efe3dbdc7026521da8576574c55120782f6cChris Banes if (mRippleColor != color) { 1929840efe3dbdc7026521da8576574c55120782f6cChris Banes mRippleColor = color; 1939840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setRippleColor(color); 1949840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1959840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1969840efe3dbdc7026521da8576574c55120782f6cChris Banes 1979840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1989840efe3dbdc7026521da8576574c55120782f6cChris Banes * Return the tint applied to the background drawable, if specified. 1999840efe3dbdc7026521da8576574c55120782f6cChris Banes * 2009840efe3dbdc7026521da8576574c55120782f6cChris Banes * @return the tint applied to the background drawable 2019840efe3dbdc7026521da8576574c55120782f6cChris Banes * @see #setBackgroundTintList(ColorStateList) 2029840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2039840efe3dbdc7026521da8576574c55120782f6cChris Banes @Nullable 2049840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2059840efe3dbdc7026521da8576574c55120782f6cChris Banes public ColorStateList getBackgroundTintList() { 2069840efe3dbdc7026521da8576574c55120782f6cChris Banes return mBackgroundTint; 2079840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2089840efe3dbdc7026521da8576574c55120782f6cChris Banes 2099840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 2109840efe3dbdc7026521da8576574c55120782f6cChris Banes * Applies a tint to the background drawable. Does not modify the current tint 2119840efe3dbdc7026521da8576574c55120782f6cChris Banes * mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 2129840efe3dbdc7026521da8576574c55120782f6cChris Banes * 2139840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param tint the tint to apply, may be {@code null} to clear tint 2149840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2159840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundTintList(@Nullable ColorStateList tint) { 2167a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes if (mBackgroundTint != tint) { 2177a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes mBackgroundTint = tint; 2187a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes mImpl.setBackgroundTintList(tint); 2197a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes } 2209840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2219840efe3dbdc7026521da8576574c55120782f6cChris Banes 2229840efe3dbdc7026521da8576574c55120782f6cChris Banes 2239840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 2249840efe3dbdc7026521da8576574c55120782f6cChris Banes * Return the blending mode used to apply the tint to the background 2259840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable, if specified. 2269840efe3dbdc7026521da8576574c55120782f6cChris Banes * 2279840efe3dbdc7026521da8576574c55120782f6cChris Banes * @return the blending mode used to apply the tint to the background 2289840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable 2299840efe3dbdc7026521da8576574c55120782f6cChris Banes * @see #setBackgroundTintMode(PorterDuff.Mode) 2309840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2319840efe3dbdc7026521da8576574c55120782f6cChris Banes @Nullable 2329840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2339840efe3dbdc7026521da8576574c55120782f6cChris Banes public PorterDuff.Mode getBackgroundTintMode() { 2349840efe3dbdc7026521da8576574c55120782f6cChris Banes return mBackgroundTintMode; 2359840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2369840efe3dbdc7026521da8576574c55120782f6cChris Banes 2379840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 2389840efe3dbdc7026521da8576574c55120782f6cChris Banes * Specifies the blending mode used to apply the tint specified by 2399840efe3dbdc7026521da8576574c55120782f6cChris Banes * {@link #setBackgroundTintList(ColorStateList)}} to the background 2409840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable. The default mode is {@link PorterDuff.Mode#SRC_IN}. 2419840efe3dbdc7026521da8576574c55120782f6cChris Banes * 2429840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param tintMode the blending mode used to apply the tint, may be 2439840efe3dbdc7026521da8576574c55120782f6cChris Banes * {@code null} to clear tint 2449840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2459840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundTintMode(@Nullable PorterDuff.Mode tintMode) { 2467a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes if (mBackgroundTintMode != tintMode) { 2477a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes mBackgroundTintMode = tintMode; 2487a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes mImpl.setBackgroundTintMode(tintMode); 2497a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes } 2509840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2519840efe3dbdc7026521da8576574c55120782f6cChris Banes 2529840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2537a13c8489daca7915623dd673df49de2d1a0bf30Chris Banes public void setBackgroundDrawable(@NonNull Drawable background) { 254d039e3555848f678a2e5363e99026df322d02044Taeho Kim if (mImpl != null) { 255d039e3555848f678a2e5363e99026df322d02044Taeho Kim mImpl.setBackgroundDrawable( 256be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes background, mBackgroundTint, mBackgroundTintMode, mRippleColor, mBorderWidth); 257be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 258be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 259be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes 260be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes /** 261be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes * Shows the button. 2628c05e5f52fbc790b745e768398d9e69d6b9d9ee1Chris Banes * <p>This method will animate the button show if the view has already been laid out.</p> 263be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes */ 264be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes public void show() { 2650ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei mImpl.show(null); 2660ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 2670ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 2680ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei /** 2690ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * Shows the button. 2708c05e5f52fbc790b745e768398d9e69d6b9d9ee1Chris Banes * <p>This method will animate the button show if the view has already been laid out.</p> 2710ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * 2720ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * @param listener the listener to notify when this view is shown 2730ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei */ 2740ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void show(@Nullable final OnVisibilityChangedListener listener) { 2750ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei mImpl.show(wrapOnVisibilityChangedListener(listener)); 276be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 277be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes 278be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes /** 279be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes * Hides the button. 280be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes * <p>This method will animate the button hide if the view has already been laid out.</p> 281be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes */ 282be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes public void hide() { 2830ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei mImpl.hide(null); 2840ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 2850ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 2860ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei /** 2870ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * Hides the button. 2880ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * <p>This method will animate the button hide if the view has already been laid out.</p> 2890ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * 2900ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei * @param listener the listener to notify when this view is hidden 2910ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei */ 2920ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void hide(@Nullable OnVisibilityChangedListener listener) { 2930ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei mImpl.hide(wrapOnVisibilityChangedListener(listener)); 2940ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 2950ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 2960ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei @Nullable 2970ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei private InternalVisibilityChangedListener wrapOnVisibilityChangedListener( 2980ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei @Nullable final OnVisibilityChangedListener listener) { 2990ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei if (listener == null) { 3000ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei return null; 3010ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 3020ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 3030ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei return new InternalVisibilityChangedListener() { 3040ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei @Override 3050ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void onShown() { 3060ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei listener.onShown(FloatingActionButton.this); 3070ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 3080ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei 3090ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei @Override 3100ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei public void onHidden() { 3110ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei listener.onHidden(FloatingActionButton.this); 3120ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei } 3130ad7ef59b28d8ffafd551d2756b5a8ec47c90682Mark Wei }; 3149840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3159840efe3dbdc7026521da8576574c55120782f6cChris Banes 3169840efe3dbdc7026521da8576574c55120782f6cChris Banes final int getSizeDimension() { 3179840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (mSize) { 3189840efe3dbdc7026521da8576574c55120782f6cChris Banes case SIZE_MINI: 319a577676a64e5353b8ec927117151aa6be84adf66Chris Banes return getResources().getDimensionPixelSize(R.dimen.design_fab_size_mini); 3209840efe3dbdc7026521da8576574c55120782f6cChris Banes case SIZE_NORMAL: 3219840efe3dbdc7026521da8576574c55120782f6cChris Banes default: 322a577676a64e5353b8ec927117151aa6be84adf66Chris Banes return getResources().getDimensionPixelSize(R.dimen.design_fab_size_normal); 3239840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3249840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3259840efe3dbdc7026521da8576574c55120782f6cChris Banes 3269840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 3279840efe3dbdc7026521da8576574c55120782f6cChris Banes protected void drawableStateChanged() { 3289840efe3dbdc7026521da8576574c55120782f6cChris Banes super.drawableStateChanged(); 3299840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.onDrawableStateChanged(getDrawableState()); 3309840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3319840efe3dbdc7026521da8576574c55120782f6cChris Banes 3329840efe3dbdc7026521da8576574c55120782f6cChris Banes @TargetApi(Build.VERSION_CODES.HONEYCOMB) 3339840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 3349840efe3dbdc7026521da8576574c55120782f6cChris Banes public void jumpDrawablesToCurrentState() { 3359840efe3dbdc7026521da8576574c55120782f6cChris Banes super.jumpDrawablesToCurrentState(); 3369840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.jumpDrawableToCurrentState(); 3379840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3389840efe3dbdc7026521da8576574c55120782f6cChris Banes 3399840efe3dbdc7026521da8576574c55120782f6cChris Banes private static int resolveAdjustedSize(int desiredSize, int measureSpec) { 3409840efe3dbdc7026521da8576574c55120782f6cChris Banes int result = desiredSize; 3419840efe3dbdc7026521da8576574c55120782f6cChris Banes int specMode = MeasureSpec.getMode(measureSpec); 3429840efe3dbdc7026521da8576574c55120782f6cChris Banes int specSize = MeasureSpec.getSize(measureSpec); 3439840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (specMode) { 3449840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.UNSPECIFIED: 3459840efe3dbdc7026521da8576574c55120782f6cChris Banes // Parent says we can be as big as we want. Just don't be larger 3469840efe3dbdc7026521da8576574c55120782f6cChris Banes // than max size imposed on ourselves. 3479840efe3dbdc7026521da8576574c55120782f6cChris Banes result = desiredSize; 3489840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 3499840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.AT_MOST: 3509840efe3dbdc7026521da8576574c55120782f6cChris Banes // Parent says we can be as big as we want, up to specSize. 3519840efe3dbdc7026521da8576574c55120782f6cChris Banes // Don't be larger than specSize, and don't be larger than 3529840efe3dbdc7026521da8576574c55120782f6cChris Banes // the max size imposed on ourselves. 3539840efe3dbdc7026521da8576574c55120782f6cChris Banes result = Math.min(desiredSize, specSize); 3549840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 3559840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.EXACTLY: 3569840efe3dbdc7026521da8576574c55120782f6cChris Banes // No choice. Do what we are told. 3579840efe3dbdc7026521da8576574c55120782f6cChris Banes result = specSize; 3589840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 3599840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3609840efe3dbdc7026521da8576574c55120782f6cChris Banes return result; 3619840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3629840efe3dbdc7026521da8576574c55120782f6cChris Banes 3639840efe3dbdc7026521da8576574c55120782f6cChris Banes static PorterDuff.Mode parseTintMode(int value, PorterDuff.Mode defaultMode) { 3649840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (value) { 3659840efe3dbdc7026521da8576574c55120782f6cChris Banes case 3: 3669840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_OVER; 3679840efe3dbdc7026521da8576574c55120782f6cChris Banes case 5: 3689840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_IN; 3699840efe3dbdc7026521da8576574c55120782f6cChris Banes case 9: 3709840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_ATOP; 3719840efe3dbdc7026521da8576574c55120782f6cChris Banes case 14: 3729840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.MULTIPLY; 3739840efe3dbdc7026521da8576574c55120782f6cChris Banes case 15: 3749840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SCREEN; 3759840efe3dbdc7026521da8576574c55120782f6cChris Banes default: 3769840efe3dbdc7026521da8576574c55120782f6cChris Banes return defaultMode; 3779840efe3dbdc7026521da8576574c55120782f6cChris Banes } 3789840efe3dbdc7026521da8576574c55120782f6cChris Banes } 37914d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes 38014d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes /** 381b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * Behavior designed for use with {@link FloatingActionButton} instances. It's main function 382b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * is to move {@link FloatingActionButton} views so that any displayed {@link Snackbar}s do 383b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * not cover them. 384b7f9224b1495db47eb8fd813b5912250e900770aChris Banes */ 385b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public static class Behavior extends CoordinatorLayout.Behavior<FloatingActionButton> { 386b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // We only support the FAB <> Snackbar shift movement on Honeycomb and above. This is 387b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // because we can use view translation properties which greatly simplifies the code. 388b7f9224b1495db47eb8fd813b5912250e900770aChris Banes private static final boolean SNACKBAR_BEHAVIOR_ENABLED = Build.VERSION.SDK_INT >= 11; 389b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 39018d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes private float mFabTranslationY; 391a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private Rect mTmpRect; 392b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 393b7f9224b1495db47eb8fd813b5912250e900770aChris Banes @Override 394b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public boolean layoutDependsOn(CoordinatorLayout parent, 395be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes FloatingActionButton child, View dependency) { 396a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes // We're dependent on all SnackbarLayouts (if enabled) 397a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes return SNACKBAR_BEHAVIOR_ENABLED && dependency instanceof Snackbar.SnackbarLayout; 398b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 399b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 400b7f9224b1495db47eb8fd813b5912250e900770aChris Banes @Override 401b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, 402a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes View dependency) { 403a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (dependency instanceof Snackbar.SnackbarLayout) { 404a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes updateFabTranslationForSnackbar(parent, child, dependency); 405a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } else if (dependency instanceof AppBarLayout) { 406be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // If we're depending on an AppBarLayout we will show/hide it automatically 407be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // if the FAB is anchored to the AppBarLayout 408be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes updateFabVisibility(parent, (AppBarLayout) dependency, child); 409be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 410be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes return false; 411be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 412a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 413be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes private boolean updateFabVisibility(CoordinatorLayout parent, 414be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes AppBarLayout appBarLayout, FloatingActionButton child) { 415be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes final CoordinatorLayout.LayoutParams lp = 416be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes (CoordinatorLayout.LayoutParams) child.getLayoutParams(); 417be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (lp.getAnchorId() != appBarLayout.getId()) { 418be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // The anchor ID doesn't match the dependency, so we won't automatically 419be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // show/hide the FAB 420be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes return false; 421be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 422a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 423be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (mTmpRect == null) { 424be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes mTmpRect = new Rect(); 425a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 426be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes 427be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // First, let's get the visible rect of the dependency 428be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes final Rect rect = mTmpRect; 429be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes ViewGroupUtils.getDescendantRect(parent, appBarLayout, rect); 430be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes 431be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (rect.bottom <= appBarLayout.getMinimumHeightForVisibleOverlappingContent()) { 432be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // If the anchor's bottom is below the seam, we'll animate our FAB out 433be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes child.hide(); 434be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } else { 435be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // Else, we'll animate our FAB back in 436be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes child.show(); 437be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 438be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes return true; 439b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 440b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 441a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private void updateFabTranslationForSnackbar(CoordinatorLayout parent, 442a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes FloatingActionButton fab, View snackbar) { 443be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (fab.getVisibility() != View.VISIBLE) { 444be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes return; 445be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 446be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes 44718d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes final float targetTransY = getFabTranslationYForSnackbar(parent, fab); 44818d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes if (mFabTranslationY == targetTransY) { 44918d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes // We're already at (or currently animating to) the target value, return... 45018d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes return; 45118d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes } 45218d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes 45318d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes mFabTranslationY = targetTransY; 45418d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes final float currentTransY = ViewCompat.getTranslationY(fab); 45518d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes final float dy = currentTransY - targetTransY; 45618d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes 45718d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes if (Math.abs(dy) > (fab.getHeight() * 0.667f)) { 45818d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes // If the FAB will be travelling by more than 2/3 of it's height, let's animate 45918d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes // it instead 46018d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes ViewCompat.animate(fab) 46118d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .translationY(targetTransY) 46218d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .scaleX(1f) 46318d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .scaleY(1f) 46418d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .alpha(1f) 46518d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR) 46618d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes .setListener(null); 46718d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes } else { 46818d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes // Make sure that any current animation is cancelled 46918d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes ViewCompat.animate(fab).cancel(); 47018d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes // Now update the translation Y 47118d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes ViewCompat.setTranslationY(fab, targetTransY); 47218d22257ccfb5cebb3ccd2450736e735ed1fb9bbChris Banes } 473b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 474b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 475a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private float getFabTranslationYForSnackbar(CoordinatorLayout parent, 476a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes FloatingActionButton fab) { 477b7f9224b1495db47eb8fd813b5912250e900770aChris Banes float minOffset = 0; 478a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final List<View> dependencies = parent.getDependencies(fab); 479a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes for (int i = 0, z = dependencies.size(); i < z; i++) { 480a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final View view = dependencies.get(i); 481a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) { 482a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes minOffset = Math.min(minOffset, 483a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes ViewCompat.getTranslationY(view) - view.getHeight()); 484b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 485b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 486a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 487b7f9224b1495db47eb8fd813b5912250e900770aChris Banes return minOffset; 488b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 489b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 490e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes @Override 491e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes public boolean onLayoutChild(CoordinatorLayout parent, FloatingActionButton child, 492e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes int layoutDirection) { 493be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // First, lets make sure that the visibility of the FAB is consistent 494be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes final List<View> dependencies = parent.getDependencies(child); 495be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes for (int i = 0, count = dependencies.size(); i < count; i++) { 496be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes final View dependency = dependencies.get(i); 497be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes if (dependency instanceof AppBarLayout 498be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes && updateFabVisibility(parent, (AppBarLayout) dependency, child)) { 499be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes break; 500be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 501be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes } 502be48ed9161c09c4b2178ab6dbe28638222809fc7Chris Banes // Now let the CoordinatorLayout lay out the FAB 503e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes parent.onLayoutChild(child, layoutDirection); 504e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // Now offset it if needed 505e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetIfNeeded(parent, child); 506e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes return true; 507e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 508e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 509e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes /** 510e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * Pre-Lollipop we use padding so that the shadow has enough space to be drawn. This method 511e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * offsets our layout position so that we're positioned correctly if we're on one of 512e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * our parent's edges. 513e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes */ 514e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes private void offsetIfNeeded(CoordinatorLayout parent, FloatingActionButton fab) { 515e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes final Rect padding = fab.mShadowPadding; 516e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 517e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (padding != null && padding.centerX() > 0 && padding.centerY() > 0) { 518e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes final CoordinatorLayout.LayoutParams lp = 519e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes (CoordinatorLayout.LayoutParams) fab.getLayoutParams(); 520e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 521e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes int offsetTB = 0, offsetLR = 0; 522e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 523e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (fab.getRight() >= parent.getWidth() - lp.rightMargin) { 524e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the left edge, shift it the right 525e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetLR = padding.right; 526e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } else if (fab.getLeft() <= lp.leftMargin) { 527e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the left edge, shift it the left 528e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetLR = -padding.left; 529e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 530e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (fab.getBottom() >= parent.getBottom() - lp.bottomMargin) { 531e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the bottom edge, shift it down 532e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetTB = padding.bottom; 533e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } else if (fab.getTop() <= lp.topMargin) { 534e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the top edge, shift it up 535e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetTB = -padding.top; 536e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 537e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 538e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes fab.offsetTopAndBottom(offsetTB); 539e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes fab.offsetLeftAndRight(offsetLR); 540e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 541e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 542b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 5439840efe3dbdc7026521da8576574c55120782f6cChris Banes} 544