FloatingActionButton.java revision e882ef3492de3d2bb687b454e08b870b06d8f4e2
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; 279840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.support.annotation.Nullable; 289840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.support.design.R; 29b7f9224b1495db47eb8fd813b5912250e900770aChris Banesimport android.support.v4.view.ViewCompat; 30a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banesimport android.support.v4.view.ViewPropertyAnimatorListener; 319840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.util.AttributeSet; 3214d064edb3e4a16a3b90a4a850560177bea1e60dChris Banesimport android.view.View; 33631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banesimport android.view.animation.Animation; 349840efe3dbdc7026521da8576574c55120782f6cChris Banesimport android.widget.ImageView; 359840efe3dbdc7026521da8576574c55120782f6cChris Banes 36a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banesimport java.util.List; 37b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 389840efe3dbdc7026521da8576574c55120782f6cChris Banes/** 399840efe3dbdc7026521da8576574c55120782f6cChris Banes * Floating action buttons are used for a special type of promoted action. They are distinguished 4014d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes * by a circled icon floating above the UI and have special motion behaviors related to morphing, 419840efe3dbdc7026521da8576574c55120782f6cChris Banes * launching, and the transferring anchor point. 429840efe3dbdc7026521da8576574c55120782f6cChris Banes * 439fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>Floating action buttons come in two sizes: the default and the mini. The size can be 449fb154338a62edc2c57dc036895199d6f1769400Chris Banes * controlled with the {@code fabSize} attribute.</p> 459fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 469fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>As this class descends from {@link ImageView}, you can control the icon which is displayed 479fb154338a62edc2c57dc036895199d6f1769400Chris Banes * via {@link #setImageDrawable(Drawable)}.</p> 489fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 499fb154338a62edc2c57dc036895199d6f1769400Chris Banes * <p>The background color of this view defaults to the your theme's {@code colorAccent}. If you 509fb154338a62edc2c57dc036895199d6f1769400Chris Banes * wish to change this at runtime then you can do so via 519fb154338a62edc2c57dc036895199d6f1769400Chris Banes * {@link #setBackgroundTintList(ColorStateList)}.</p> 529fb154338a62edc2c57dc036895199d6f1769400Chris Banes * 539fb154338a62edc2c57dc036895199d6f1769400Chris Banes * @attr ref android.support.design.R.styleable#FloatingActionButton_fabSize 549840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 55b7f9224b1495db47eb8fd813b5912250e900770aChris Banes@CoordinatorLayout.DefaultBehavior(FloatingActionButton.Behavior.class) 569840efe3dbdc7026521da8576574c55120782f6cChris Banespublic class FloatingActionButton extends ImageView { 579840efe3dbdc7026521da8576574c55120782f6cChris Banes 589840efe3dbdc7026521da8576574c55120782f6cChris Banes // These values must match those in the attrs declaration 599840efe3dbdc7026521da8576574c55120782f6cChris Banes private static final int SIZE_MINI = 1; 609840efe3dbdc7026521da8576574c55120782f6cChris Banes private static final int SIZE_NORMAL = 0; 619840efe3dbdc7026521da8576574c55120782f6cChris Banes 629840efe3dbdc7026521da8576574c55120782f6cChris Banes private ColorStateList mBackgroundTint; 639840efe3dbdc7026521da8576574c55120782f6cChris Banes private PorterDuff.Mode mBackgroundTintMode; 649840efe3dbdc7026521da8576574c55120782f6cChris Banes 65cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes private int mBorderWidth; 669840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mRippleColor; 679840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mSize; 689840efe3dbdc7026521da8576574c55120782f6cChris Banes private int mContentPadding; 699840efe3dbdc7026521da8576574c55120782f6cChris Banes 709840efe3dbdc7026521da8576574c55120782f6cChris Banes private final Rect mShadowPadding; 719840efe3dbdc7026521da8576574c55120782f6cChris Banes 729840efe3dbdc7026521da8576574c55120782f6cChris Banes private final FloatingActionButtonImpl mImpl; 739840efe3dbdc7026521da8576574c55120782f6cChris Banes 749840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context) { 759840efe3dbdc7026521da8576574c55120782f6cChris Banes this(context, null); 769840efe3dbdc7026521da8576574c55120782f6cChris Banes } 779840efe3dbdc7026521da8576574c55120782f6cChris Banes 789840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context, AttributeSet attrs) { 799840efe3dbdc7026521da8576574c55120782f6cChris Banes this(context, attrs, 0); 809840efe3dbdc7026521da8576574c55120782f6cChris Banes } 819840efe3dbdc7026521da8576574c55120782f6cChris Banes 829840efe3dbdc7026521da8576574c55120782f6cChris Banes public FloatingActionButton(Context context, AttributeSet attrs, int defStyleAttr) { 839840efe3dbdc7026521da8576574c55120782f6cChris Banes super(context, attrs, defStyleAttr); 849840efe3dbdc7026521da8576574c55120782f6cChris Banes 859840efe3dbdc7026521da8576574c55120782f6cChris Banes mShadowPadding = new Rect(); 869840efe3dbdc7026521da8576574c55120782f6cChris Banes 879840efe3dbdc7026521da8576574c55120782f6cChris Banes TypedArray a = context.obtainStyledAttributes(attrs, 889840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton, defStyleAttr, 899840efe3dbdc7026521da8576574c55120782f6cChris Banes R.style.Widget_Design_FloatingActionButton); 909840efe3dbdc7026521da8576574c55120782f6cChris Banes Drawable background = a.getDrawable(R.styleable.FloatingActionButton_android_background); 919840efe3dbdc7026521da8576574c55120782f6cChris Banes mBackgroundTint = a.getColorStateList(R.styleable.FloatingActionButton_backgroundTint); 929840efe3dbdc7026521da8576574c55120782f6cChris Banes mBackgroundTintMode = parseTintMode(a.getInt( 939840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton_backgroundTintMode, -1), null); 949840efe3dbdc7026521da8576574c55120782f6cChris Banes mRippleColor = a.getColor(R.styleable.FloatingActionButton_rippleColor, 0); 959840efe3dbdc7026521da8576574c55120782f6cChris Banes mSize = a.getInt(R.styleable.FloatingActionButton_fabSize, SIZE_NORMAL); 96cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes mBorderWidth = a.getDimensionPixelSize(R.styleable.FloatingActionButton_borderWidth, 0); 979840efe3dbdc7026521da8576574c55120782f6cChris Banes final float elevation = a.getDimension(R.styleable.FloatingActionButton_elevation, 0f); 989840efe3dbdc7026521da8576574c55120782f6cChris Banes final float pressedTranslationZ = a.getDimension( 999840efe3dbdc7026521da8576574c55120782f6cChris Banes R.styleable.FloatingActionButton_pressedTranslationZ, 0f); 1009840efe3dbdc7026521da8576574c55120782f6cChris Banes a.recycle(); 1019840efe3dbdc7026521da8576574c55120782f6cChris Banes 1029840efe3dbdc7026521da8576574c55120782f6cChris Banes final ShadowViewDelegate delegate = new ShadowViewDelegate() { 1039840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1049840efe3dbdc7026521da8576574c55120782f6cChris Banes public float getRadius() { 1059840efe3dbdc7026521da8576574c55120782f6cChris Banes return getSizeDimension() / 2f; 1069840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1079840efe3dbdc7026521da8576574c55120782f6cChris Banes 1089840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1099840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setShadowPadding(int left, int top, int right, int bottom) { 1109840efe3dbdc7026521da8576574c55120782f6cChris Banes mShadowPadding.set(left, top, right, bottom); 1119840efe3dbdc7026521da8576574c55120782f6cChris Banes 1129840efe3dbdc7026521da8576574c55120782f6cChris Banes setPadding(left + mContentPadding, top + mContentPadding, 1139840efe3dbdc7026521da8576574c55120782f6cChris Banes right + mContentPadding, bottom + mContentPadding); 1149840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1159840efe3dbdc7026521da8576574c55120782f6cChris Banes 1169840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1179840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundDrawable(Drawable background) { 1189840efe3dbdc7026521da8576574c55120782f6cChris Banes FloatingActionButton.super.setBackgroundDrawable(background); 1199840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1209840efe3dbdc7026521da8576574c55120782f6cChris Banes }; 1219840efe3dbdc7026521da8576574c55120782f6cChris Banes 1229840efe3dbdc7026521da8576574c55120782f6cChris Banes if (Build.VERSION.SDK_INT >= 21) { 1239840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl = new FloatingActionButtonLollipop(this, delegate); 1249840efe3dbdc7026521da8576574c55120782f6cChris Banes } else { 1259840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl = new FloatingActionButtonEclairMr1(this, delegate); 1269840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1279840efe3dbdc7026521da8576574c55120782f6cChris Banes 1289840efe3dbdc7026521da8576574c55120782f6cChris Banes final int maxContentSize = (int) getResources().getDimension(R.dimen.fab_content_size); 1299840efe3dbdc7026521da8576574c55120782f6cChris Banes mContentPadding = (getSizeDimension() - maxContentSize) / 2; 1309840efe3dbdc7026521da8576574c55120782f6cChris Banes 1319840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setBackgroundDrawable(background, mBackgroundTint, 132cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes mBackgroundTintMode, mRippleColor, mBorderWidth); 1339840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setElevation(elevation); 1349840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setPressedTranslationZ(pressedTranslationZ); 135d039e3555848f678a2e5363e99026df322d02044Taeho Kim 136d039e3555848f678a2e5363e99026df322d02044Taeho Kim setClickable(true); 1379840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1389840efe3dbdc7026521da8576574c55120782f6cChris Banes 1399840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1409840efe3dbdc7026521da8576574c55120782f6cChris Banes protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { 1419840efe3dbdc7026521da8576574c55120782f6cChris Banes final int preferredSize = getSizeDimension(); 1429840efe3dbdc7026521da8576574c55120782f6cChris Banes 1439840efe3dbdc7026521da8576574c55120782f6cChris Banes final int w = resolveAdjustedSize(preferredSize, widthMeasureSpec); 1449840efe3dbdc7026521da8576574c55120782f6cChris Banes final int h = resolveAdjustedSize(preferredSize, heightMeasureSpec); 1459840efe3dbdc7026521da8576574c55120782f6cChris Banes 1469840efe3dbdc7026521da8576574c55120782f6cChris Banes // As we want to stay circular, we set both dimensions to be the 1479840efe3dbdc7026521da8576574c55120782f6cChris Banes // smallest resolved dimension 1489840efe3dbdc7026521da8576574c55120782f6cChris Banes final int d = Math.min(w, h); 1499840efe3dbdc7026521da8576574c55120782f6cChris Banes 1509840efe3dbdc7026521da8576574c55120782f6cChris Banes // We add the shadow's padding to the measured dimension 1519840efe3dbdc7026521da8576574c55120782f6cChris Banes setMeasuredDimension( 1529840efe3dbdc7026521da8576574c55120782f6cChris Banes d + mShadowPadding.left + mShadowPadding.right, 1539840efe3dbdc7026521da8576574c55120782f6cChris Banes d + mShadowPadding.top + mShadowPadding.bottom); 1549840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1559840efe3dbdc7026521da8576574c55120782f6cChris Banes 1569840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1579840efe3dbdc7026521da8576574c55120782f6cChris Banes * Set the ripple color for this {@link FloatingActionButton}. 1589840efe3dbdc7026521da8576574c55120782f6cChris Banes * <p> 1599840efe3dbdc7026521da8576574c55120782f6cChris Banes * When running on devices with KitKat or below, we draw a fill rather than a ripple. 1609840efe3dbdc7026521da8576574c55120782f6cChris Banes * 1619840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param color ARGB color to use for the ripple. 1629840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 1639840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setRippleColor(int color) { 1649840efe3dbdc7026521da8576574c55120782f6cChris Banes if (mRippleColor != color) { 1659840efe3dbdc7026521da8576574c55120782f6cChris Banes mRippleColor = color; 1669840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setRippleColor(color); 1679840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1689840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1699840efe3dbdc7026521da8576574c55120782f6cChris Banes 1709840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1719840efe3dbdc7026521da8576574c55120782f6cChris Banes * Return the tint applied to the background drawable, if specified. 1729840efe3dbdc7026521da8576574c55120782f6cChris Banes * 1739840efe3dbdc7026521da8576574c55120782f6cChris Banes * @return the tint applied to the background drawable 1749840efe3dbdc7026521da8576574c55120782f6cChris Banes * @see #setBackgroundTintList(ColorStateList) 1759840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 1769840efe3dbdc7026521da8576574c55120782f6cChris Banes @Nullable 1779840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 1789840efe3dbdc7026521da8576574c55120782f6cChris Banes public ColorStateList getBackgroundTintList() { 1799840efe3dbdc7026521da8576574c55120782f6cChris Banes return mBackgroundTint; 1809840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1819840efe3dbdc7026521da8576574c55120782f6cChris Banes 1829840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1839840efe3dbdc7026521da8576574c55120782f6cChris Banes * Applies a tint to the background drawable. Does not modify the current tint 1849840efe3dbdc7026521da8576574c55120782f6cChris Banes * mode, which is {@link PorterDuff.Mode#SRC_IN} by default. 1859840efe3dbdc7026521da8576574c55120782f6cChris Banes * 1869840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param tint the tint to apply, may be {@code null} to clear tint 1879840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 1889840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundTintList(@Nullable ColorStateList tint) { 1899840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setBackgroundTintList(tint); 1909840efe3dbdc7026521da8576574c55120782f6cChris Banes } 1919840efe3dbdc7026521da8576574c55120782f6cChris Banes 1929840efe3dbdc7026521da8576574c55120782f6cChris Banes 1939840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 1949840efe3dbdc7026521da8576574c55120782f6cChris Banes * Return the blending mode used to apply the tint to the background 1959840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable, if specified. 1969840efe3dbdc7026521da8576574c55120782f6cChris Banes * 1979840efe3dbdc7026521da8576574c55120782f6cChris Banes * @return the blending mode used to apply the tint to the background 1989840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable 1999840efe3dbdc7026521da8576574c55120782f6cChris Banes * @see #setBackgroundTintMode(PorterDuff.Mode) 2009840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2019840efe3dbdc7026521da8576574c55120782f6cChris Banes @Nullable 2029840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2039840efe3dbdc7026521da8576574c55120782f6cChris Banes public PorterDuff.Mode getBackgroundTintMode() { 2049840efe3dbdc7026521da8576574c55120782f6cChris Banes return mBackgroundTintMode; 2059840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2069840efe3dbdc7026521da8576574c55120782f6cChris Banes 2079840efe3dbdc7026521da8576574c55120782f6cChris Banes /** 2089840efe3dbdc7026521da8576574c55120782f6cChris Banes * Specifies the blending mode used to apply the tint specified by 2099840efe3dbdc7026521da8576574c55120782f6cChris Banes * {@link #setBackgroundTintList(ColorStateList)}} to the background 2109840efe3dbdc7026521da8576574c55120782f6cChris Banes * drawable. The default mode is {@link PorterDuff.Mode#SRC_IN}. 2119840efe3dbdc7026521da8576574c55120782f6cChris Banes * 2129840efe3dbdc7026521da8576574c55120782f6cChris Banes * @param tintMode the blending mode used to apply the tint, may be 2139840efe3dbdc7026521da8576574c55120782f6cChris Banes * {@code null} to clear tint 2149840efe3dbdc7026521da8576574c55120782f6cChris Banes */ 2159840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundTintMode(@Nullable PorterDuff.Mode tintMode) { 2169840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.setBackgroundTintMode(tintMode); 2179840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2189840efe3dbdc7026521da8576574c55120782f6cChris Banes 2199840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2209840efe3dbdc7026521da8576574c55120782f6cChris Banes public void setBackgroundDrawable(Drawable background) { 221d039e3555848f678a2e5363e99026df322d02044Taeho Kim if (mImpl != null) { 222d039e3555848f678a2e5363e99026df322d02044Taeho Kim mImpl.setBackgroundDrawable( 223cd78954a2b32d9c22686f12c194fac7e49566cf6Chris Banes background, mBackgroundTint, mBackgroundTintMode, mRippleColor, mBorderWidth); 224d039e3555848f678a2e5363e99026df322d02044Taeho Kim } 2259840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2269840efe3dbdc7026521da8576574c55120782f6cChris Banes 2279840efe3dbdc7026521da8576574c55120782f6cChris Banes final int getSizeDimension() { 2289840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (mSize) { 2299840efe3dbdc7026521da8576574c55120782f6cChris Banes case SIZE_MINI: 2309840efe3dbdc7026521da8576574c55120782f6cChris Banes return getResources().getDimensionPixelSize(R.dimen.fab_size_mini); 2319840efe3dbdc7026521da8576574c55120782f6cChris Banes case SIZE_NORMAL: 2329840efe3dbdc7026521da8576574c55120782f6cChris Banes default: 2339840efe3dbdc7026521da8576574c55120782f6cChris Banes return getResources().getDimensionPixelSize(R.dimen.fab_size_normal); 2349840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2359840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2369840efe3dbdc7026521da8576574c55120782f6cChris Banes 2379840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2389840efe3dbdc7026521da8576574c55120782f6cChris Banes protected void drawableStateChanged() { 2399840efe3dbdc7026521da8576574c55120782f6cChris Banes super.drawableStateChanged(); 2409840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.onDrawableStateChanged(getDrawableState()); 2419840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2429840efe3dbdc7026521da8576574c55120782f6cChris Banes 2439840efe3dbdc7026521da8576574c55120782f6cChris Banes @TargetApi(Build.VERSION_CODES.HONEYCOMB) 2449840efe3dbdc7026521da8576574c55120782f6cChris Banes @Override 2459840efe3dbdc7026521da8576574c55120782f6cChris Banes public void jumpDrawablesToCurrentState() { 2469840efe3dbdc7026521da8576574c55120782f6cChris Banes super.jumpDrawablesToCurrentState(); 2479840efe3dbdc7026521da8576574c55120782f6cChris Banes mImpl.jumpDrawableToCurrentState(); 2489840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2499840efe3dbdc7026521da8576574c55120782f6cChris Banes 2509840efe3dbdc7026521da8576574c55120782f6cChris Banes private static int resolveAdjustedSize(int desiredSize, int measureSpec) { 2519840efe3dbdc7026521da8576574c55120782f6cChris Banes int result = desiredSize; 2529840efe3dbdc7026521da8576574c55120782f6cChris Banes int specMode = MeasureSpec.getMode(measureSpec); 2539840efe3dbdc7026521da8576574c55120782f6cChris Banes int specSize = MeasureSpec.getSize(measureSpec); 2549840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (specMode) { 2559840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.UNSPECIFIED: 2569840efe3dbdc7026521da8576574c55120782f6cChris Banes // Parent says we can be as big as we want. Just don't be larger 2579840efe3dbdc7026521da8576574c55120782f6cChris Banes // than max size imposed on ourselves. 2589840efe3dbdc7026521da8576574c55120782f6cChris Banes result = desiredSize; 2599840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 2609840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.AT_MOST: 2619840efe3dbdc7026521da8576574c55120782f6cChris Banes // Parent says we can be as big as we want, up to specSize. 2629840efe3dbdc7026521da8576574c55120782f6cChris Banes // Don't be larger than specSize, and don't be larger than 2639840efe3dbdc7026521da8576574c55120782f6cChris Banes // the max size imposed on ourselves. 2649840efe3dbdc7026521da8576574c55120782f6cChris Banes result = Math.min(desiredSize, specSize); 2659840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 2669840efe3dbdc7026521da8576574c55120782f6cChris Banes case MeasureSpec.EXACTLY: 2679840efe3dbdc7026521da8576574c55120782f6cChris Banes // No choice. Do what we are told. 2689840efe3dbdc7026521da8576574c55120782f6cChris Banes result = specSize; 2699840efe3dbdc7026521da8576574c55120782f6cChris Banes break; 2709840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2719840efe3dbdc7026521da8576574c55120782f6cChris Banes return result; 2729840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2739840efe3dbdc7026521da8576574c55120782f6cChris Banes 2749840efe3dbdc7026521da8576574c55120782f6cChris Banes static PorterDuff.Mode parseTintMode(int value, PorterDuff.Mode defaultMode) { 2759840efe3dbdc7026521da8576574c55120782f6cChris Banes switch (value) { 2769840efe3dbdc7026521da8576574c55120782f6cChris Banes case 3: 2779840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_OVER; 2789840efe3dbdc7026521da8576574c55120782f6cChris Banes case 5: 2799840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_IN; 2809840efe3dbdc7026521da8576574c55120782f6cChris Banes case 9: 2819840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SRC_ATOP; 2829840efe3dbdc7026521da8576574c55120782f6cChris Banes case 14: 2839840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.MULTIPLY; 2849840efe3dbdc7026521da8576574c55120782f6cChris Banes case 15: 2859840efe3dbdc7026521da8576574c55120782f6cChris Banes return PorterDuff.Mode.SCREEN; 2869840efe3dbdc7026521da8576574c55120782f6cChris Banes default: 2879840efe3dbdc7026521da8576574c55120782f6cChris Banes return defaultMode; 2889840efe3dbdc7026521da8576574c55120782f6cChris Banes } 2899840efe3dbdc7026521da8576574c55120782f6cChris Banes } 29014d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes 29114d064edb3e4a16a3b90a4a850560177bea1e60dChris Banes /** 292b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * Behavior designed for use with {@link FloatingActionButton} instances. It's main function 293b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * is to move {@link FloatingActionButton} views so that any displayed {@link Snackbar}s do 294b7f9224b1495db47eb8fd813b5912250e900770aChris Banes * not cover them. 295b7f9224b1495db47eb8fd813b5912250e900770aChris Banes */ 296b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public static class Behavior extends CoordinatorLayout.Behavior<FloatingActionButton> { 297b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // We only support the FAB <> Snackbar shift movement on Honeycomb and above. This is 298b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // because we can use view translation properties which greatly simplifies the code. 299b7f9224b1495db47eb8fd813b5912250e900770aChris Banes private static final boolean SNACKBAR_BEHAVIOR_ENABLED = Build.VERSION.SDK_INT >= 11; 300b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 301a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private Rect mTmpRect; 302a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private boolean mIsAnimatingOut; 303b7f9224b1495db47eb8fd813b5912250e900770aChris Banes private float mTranslationY; 304b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 305b7f9224b1495db47eb8fd813b5912250e900770aChris Banes @Override 306b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public boolean layoutDependsOn(CoordinatorLayout parent, 307b7f9224b1495db47eb8fd813b5912250e900770aChris Banes FloatingActionButton child, 308b7f9224b1495db47eb8fd813b5912250e900770aChris Banes View dependency) { 309a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes // We're dependent on all SnackbarLayouts (if enabled) 310a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes return SNACKBAR_BEHAVIOR_ENABLED && dependency instanceof Snackbar.SnackbarLayout; 311b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 312b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 313b7f9224b1495db47eb8fd813b5912250e900770aChris Banes @Override 314b7f9224b1495db47eb8fd813b5912250e900770aChris Banes public boolean onDependentViewChanged(CoordinatorLayout parent, FloatingActionButton child, 315a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes View dependency) { 316a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (dependency instanceof Snackbar.SnackbarLayout) { 317a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes updateFabTranslationForSnackbar(parent, child, dependency); 318a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } else if (dependency instanceof AppBarLayout) { 319a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final AppBarLayout appBarLayout = (AppBarLayout) dependency; 320a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (mTmpRect == null) { 321a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes mTmpRect = new Rect(); 322a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 323a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 324a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes // First, let's get the visible rect of the dependency 325a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final Rect rect = mTmpRect; 326a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes ViewGroupUtils.getDescendantRect(parent, dependency, rect); 327a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 328a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (rect.bottom <= appBarLayout.getMinimumHeightForVisibleOverlappingContent()) { 329a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes // If the anchor's bottom is below the seam, we'll animate our FAB out 330a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (!mIsAnimatingOut && child.getVisibility() == View.VISIBLE) { 331a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes animateOut(child); 332a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 333a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } else { 334a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes // Else, we'll animate our FAB back in 335a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (child.getVisibility() != View.VISIBLE) { 336a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes animateIn(child); 337a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 338a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 339a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes } 340b7f9224b1495db47eb8fd813b5912250e900770aChris Banes return false; 341b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 342b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 343a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private void updateFabTranslationForSnackbar(CoordinatorLayout parent, 344a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes FloatingActionButton fab, View snackbar) { 345a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final float translationY = getFabTranslationYForSnackbar(parent, fab); 346b7f9224b1495db47eb8fd813b5912250e900770aChris Banes if (translationY != mTranslationY) { 347b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // First, cancel any current animation 348b7f9224b1495db47eb8fd813b5912250e900770aChris Banes ViewCompat.animate(fab).cancel(); 349b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 350b7f9224b1495db47eb8fd813b5912250e900770aChris Banes if (Math.abs(translationY - mTranslationY) == snackbar.getHeight()) { 351b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // If we're travelling by the height of the Snackbar then we probably need to 352b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // animate to the value 353a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes ViewCompat.animate(fab) 354a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes .translationY(translationY) 355a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes .setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR) 356a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes .setListener(null); 357b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } else { 358b7f9224b1495db47eb8fd813b5912250e900770aChris Banes // Else we'll set use setTranslationY 359b7f9224b1495db47eb8fd813b5912250e900770aChris Banes ViewCompat.setTranslationY(fab, translationY); 360b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 361b7f9224b1495db47eb8fd813b5912250e900770aChris Banes mTranslationY = translationY; 362b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 363b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 364b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 365a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private float getFabTranslationYForSnackbar(CoordinatorLayout parent, 366a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes FloatingActionButton fab) { 367b7f9224b1495db47eb8fd813b5912250e900770aChris Banes float minOffset = 0; 368a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final List<View> dependencies = parent.getDependencies(fab); 369a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes for (int i = 0, z = dependencies.size(); i < z; i++) { 370a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes final View view = dependencies.get(i); 371a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes if (view instanceof Snackbar.SnackbarLayout && parent.doViewsOverlap(fab, view)) { 372a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes minOffset = Math.min(minOffset, 373a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes ViewCompat.getTranslationY(view) - view.getHeight()); 374b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 375b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 376a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 377b7f9224b1495db47eb8fd813b5912250e900770aChris Banes return minOffset; 378b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 379b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 380a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes private void animateIn(FloatingActionButton button) { 381a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes button.setVisibility(View.VISIBLE); 382a6a508b2296730ca6954aaebcca52a9962a5cb55Chris Banes 383631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes if (Build.VERSION.SDK_INT >= 14) { 384631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes ViewCompat.animate(button) 385631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .scaleX(1f) 386631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .scaleY(1f) 387631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .alpha(1f) 388631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR) 389631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .withLayer() 390631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .setListener(null) 391631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .start(); 392631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } else { 393631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes Animation anim = android.view.animation.AnimationUtils.loadAnimation( 394631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes button.getContext(), R.anim.fab_in); 395631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes anim.setDuration(200); 396631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes anim.setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR); 397631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes button.startAnimation(anim); 398631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 399b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 400b7f9224b1495db47eb8fd813b5912250e900770aChris Banes 401e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes @Override 402e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes public boolean onLayoutChild(CoordinatorLayout parent, FloatingActionButton child, 403e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes int layoutDirection) { 404e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // Let the CoordinatorLayout lay out the FAB 405e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes parent.onLayoutChild(child, layoutDirection); 406e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // Now offset it if needed 407e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetIfNeeded(parent, child); 408e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes return true; 409e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 410e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 411631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes private void animateOut(final FloatingActionButton button) { 412631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes if (Build.VERSION.SDK_INT >= 14) { 413631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes ViewCompat.animate(button) 414631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .scaleX(0f) 415631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .scaleY(0f) 416631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .alpha(0f) 417631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR) 418631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .withLayer() 419631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes .setListener(new ViewPropertyAnimatorListener() { 420631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes @Override 421631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes public void onAnimationStart(View view) { 422631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes mIsAnimatingOut = true; 423631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 424631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes 425631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes @Override 426631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes public void onAnimationCancel(View view) { 427631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes mIsAnimatingOut = false; 428631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 429631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes 430631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes @Override 431631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes public void onAnimationEnd(View view) { 432631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes mIsAnimatingOut = false; 433631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes view.setVisibility(View.GONE); 434631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 435631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes }).start(); 436631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } else { 437631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes Animation anim = android.view.animation.AnimationUtils.loadAnimation( 438631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes button.getContext(), R.anim.fab_out); 439631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes anim.setInterpolator(AnimationUtils.FAST_OUT_SLOW_IN_INTERPOLATOR); 440631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes anim.setDuration(200); 441631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes anim.setAnimationListener(new AnimationUtils.AnimationListenerAdapter() { 442631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes @Override 443631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes public void onAnimationStart(Animation animation) { 444631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes mIsAnimatingOut = true; 445631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 446631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes 447631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes @Override 448631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes public void onAnimationEnd(Animation animation) { 449631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes mIsAnimatingOut = false; 450631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes button.setVisibility(View.GONE); 451631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 452631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes }); 453631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes button.startAnimation(anim); 454631f64ec9c6255f38a7f746d7949b6a537c1180fChris Banes } 455b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 456e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 457e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes /** 458e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * Pre-Lollipop we use padding so that the shadow has enough space to be drawn. This method 459e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * offsets our layout position so that we're positioned correctly if we're on one of 460e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes * our parent's edges. 461e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes */ 462e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes private void offsetIfNeeded(CoordinatorLayout parent, FloatingActionButton fab) { 463e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes final Rect padding = fab.mShadowPadding; 464e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 465e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (padding != null && padding.centerX() > 0 && padding.centerY() > 0) { 466e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes final CoordinatorLayout.LayoutParams lp = 467e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes (CoordinatorLayout.LayoutParams) fab.getLayoutParams(); 468e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 469e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes int offsetTB = 0, offsetLR = 0; 470e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 471e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (fab.getRight() >= parent.getWidth() - lp.rightMargin) { 472e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the left edge, shift it the right 473e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetLR = padding.right; 474e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } else if (fab.getLeft() <= lp.leftMargin) { 475e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the left edge, shift it the left 476e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetLR = -padding.left; 477e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 478e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes if (fab.getBottom() >= parent.getBottom() - lp.bottomMargin) { 479e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the bottom edge, shift it down 480e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetTB = padding.bottom; 481e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } else if (fab.getTop() <= lp.topMargin) { 482e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes // If we're on the top edge, shift it up 483e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes offsetTB = -padding.top; 484e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 485e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes 486e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes fab.offsetTopAndBottom(offsetTB); 487e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes fab.offsetLeftAndRight(offsetLR); 488e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 489e882ef3492de3d2bb687b454e08b870b06d8f4e2Chris Banes } 490b7f9224b1495db47eb8fd813b5912250e900770aChris Banes } 4919840efe3dbdc7026521da8576574c55120782f6cChris Banes} 492