FloatingActionButton: import cleaned up getbase code

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
This commit is contained in:
Jason A. Donenfeld 2018-05-29 18:37:14 +02:00
parent ded0191aae
commit 09833a1ba5
17 changed files with 1293 additions and 6 deletions

View File

@ -33,7 +33,6 @@ ext {
databindingVersion = '3.1.2' databindingVersion = '3.1.2'
supportLibsVersion = '27.1.1' supportLibsVersion = '27.1.1'
daggerVersion = '2.14.1' daggerVersion = '2.14.1'
fabLibVersion = '1.10.1'
streamsupportVersion = '1.6.0' streamsupportVersion = '1.6.0'
} }
@ -45,8 +44,12 @@ dependencies {
implementation "com.android.support:design:$supportLibsVersion" implementation "com.android.support:design:$supportLibsVersion"
implementation "com.android.support:preference-v14:$supportLibsVersion" implementation "com.android.support:preference-v14:$supportLibsVersion"
implementation "com.android.support:support-annotations:$supportLibsVersion" implementation "com.android.support:support-annotations:$supportLibsVersion"
implementation "com.getbase:floatingactionbutton:$fabLibVersion"
implementation "com.google.dagger:dagger:$daggerVersion" implementation "com.google.dagger:dagger:$daggerVersion"
implementation "net.sourceforge.streamsupport:android-retrofuture:$streamsupportVersion" implementation "net.sourceforge.streamsupport:android-retrofuture:$streamsupportVersion"
implementation "net.sourceforge.streamsupport:android-retrostreams:$streamsupportVersion" implementation "net.sourceforge.streamsupport:android-retrostreams:$streamsupportVersion"
} }
tasks.withType(JavaCompile) {
options.compilerArgs << '-Xlint:unchecked'
options.deprecation = true
}

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@ -0,0 +1,96 @@
/*
* Copyright © 2014 Jerzy Chalupski
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.widget.fab;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.ShapeDrawable;
import android.graphics.drawable.shapes.Shape;
import android.support.annotation.ColorRes;
import android.support.annotation.DrawableRes;
import android.util.AttributeSet;
import com.wireguard.android.R;
public class AddFloatingActionButton extends FloatingActionButton {
int mPlusColor;
public AddFloatingActionButton(final Context context) {
this(context, null);
}
public AddFloatingActionButton(final Context context, final AttributeSet attrs) {
super(context, attrs);
}
public AddFloatingActionButton(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
}
@Override
void init(final Context context, final AttributeSet attributeSet) {
final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.AddFloatingActionButton, 0, 0);
mPlusColor = attr.getColor(R.styleable.AddFloatingActionButton_fab_plusIconColor, getColor(android.R.color.white));
attr.recycle();
super.init(context, attributeSet);
}
/**
* @return the current Color of plus icon.
*/
public int getPlusColor() {
return mPlusColor;
}
public void setPlusColor(final int color) {
if (mPlusColor != color) {
mPlusColor = color;
updateBackground();
}
}
public void setPlusColorResId(@ColorRes int plusColor) {
setPlusColor(getColor(plusColor));
}
@Override
public void setIcon(@DrawableRes final int icon) {
throw new UnsupportedOperationException("Use FloatingActionButton if you want to use custom icon");
}
@Override
Drawable getIconDrawable() {
final float iconSize = getDimension(R.dimen.fab_icon_size);
final float iconHalfSize = iconSize / 2f;
final float plusSize = getDimension(R.dimen.fab_plus_icon_size);
final float plusHalfStroke = getDimension(R.dimen.fab_plus_icon_stroke) / 2f;
final float plusOffset = (iconSize - plusSize) / 2f;
final Shape shape = new Shape() {
@Override
public void draw(final Canvas canvas, final Paint paint) {
canvas.drawRect(plusOffset, iconHalfSize - plusHalfStroke, iconSize - plusOffset, iconHalfSize + plusHalfStroke, paint);
canvas.drawRect(iconHalfSize - plusHalfStroke, plusOffset, iconHalfSize + plusHalfStroke, iconSize - plusOffset, paint);
}
};
final ShapeDrawable drawable = new ShapeDrawable(shape);
final Paint paint = drawable.getPaint();
paint.setColor(mPlusColor);
paint.setStyle(Style.FILL);
paint.setAntiAlias(true);
return drawable;
}
}

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@ -0,0 +1,409 @@
/*
* Copyright © 2014 Jerzy Chalupski
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.widget.fab;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.*;
import android.graphics.Paint.Style;
import android.graphics.Shader.TileMode;
import android.graphics.drawable.*;
import android.graphics.drawable.ShapeDrawable.ShaderFactory;
import android.graphics.drawable.shapes.OvalShape;
import android.support.annotation.*;
import android.support.v7.widget.AppCompatImageButton;
import android.util.AttributeSet;
import android.widget.TextView;
import com.wireguard.android.R;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
public class FloatingActionButton extends AppCompatImageButton {
public static final int SIZE_NORMAL = 0;
public static final int SIZE_MINI = 1;
int mColorNormal;
int mColorPressed;
int mColorDisabled;
String mTitle;
boolean mStrokeVisible;
@DrawableRes
private int mIcon;
private Drawable mIconDrawable;
private int mSize;
private float mCircleSize;
private float mShadowRadius;
private float mShadowOffset;
private int mDrawableSize;
public FloatingActionButton(final Context context) {
this(context, null);
}
public FloatingActionButton(final Context context, final AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public FloatingActionButton(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
init(context, attrs);
}
void init(final Context context, final AttributeSet attributeSet) {
final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.FloatingActionButton, 0, 0);
mColorNormal = attr.getColor(R.styleable.FloatingActionButton_fab_colorNormal, getColor(android.R.color.holo_blue_dark));
mColorPressed = attr.getColor(R.styleable.FloatingActionButton_fab_colorPressed, getColor(android.R.color.holo_blue_light));
mColorDisabled = attr.getColor(R.styleable.FloatingActionButton_fab_colorDisabled, getColor(android.R.color.darker_gray));
mSize = attr.getInt(R.styleable.FloatingActionButton_fab_size, SIZE_NORMAL);
mIcon = attr.getResourceId(R.styleable.FloatingActionButton_fab_icon, 0);
mTitle = attr.getString(R.styleable.FloatingActionButton_fab_title);
mStrokeVisible = attr.getBoolean(R.styleable.FloatingActionButton_fab_stroke_visible, true);
attr.recycle();
updateCircleSize();
mShadowRadius = getDimension(R.dimen.fab_shadow_radius);
mShadowOffset = getDimension(R.dimen.fab_shadow_offset);
updateDrawableSize();
updateBackground();
}
private void updateDrawableSize() {
mDrawableSize = (int) (mCircleSize + 2 * mShadowRadius);
}
private void updateCircleSize() {
mCircleSize = getDimension(mSize == SIZE_NORMAL ? R.dimen.fab_size_normal : R.dimen.fab_size_mini);
}
@FAB_SIZE
public int getSize() {
return mSize;
}
public void setSize(@FAB_SIZE final int size) {
if (size != SIZE_MINI && size != SIZE_NORMAL) {
throw new IllegalArgumentException("Use @FAB_SIZE constants only!");
}
if (mSize != size) {
mSize = size;
updateCircleSize();
updateDrawableSize();
updateBackground();
}
}
public void setIcon(@DrawableRes final int icon) {
if (mIcon != icon) {
mIcon = icon;
mIconDrawable = null;
updateBackground();
}
}
/**
* @return the current Color for normal state.
*/
public int getColorNormal() {
return mColorNormal;
}
public void setColorNormal(final int color) {
if (mColorNormal != color) {
mColorNormal = color;
updateBackground();
}
}
public void setColorNormalResId(@ColorRes final int colorNormal) {
setColorNormal(getColor(colorNormal));
}
/**
* @return the current color for pressed state.
*/
public int getColorPressed() {
return mColorPressed;
}
public void setColorPressed(final int color) {
if (mColorPressed != color) {
mColorPressed = color;
updateBackground();
}
}
public void setColorPressedResId(@ColorRes final int colorPressed) {
setColorPressed(getColor(colorPressed));
}
/**
* @return the current color for disabled state.
*/
public int getColorDisabled() {
return mColorDisabled;
}
public void setColorDisabled(final int color) {
if (mColorDisabled != color) {
mColorDisabled = color;
updateBackground();
}
}
public void setColorDisabledResId(@ColorRes final int colorDisabled) {
setColorDisabled(getColor(colorDisabled));
}
public boolean isStrokeVisible() {
return mStrokeVisible;
}
public void setStrokeVisible(final boolean visible) {
if (mStrokeVisible != visible) {
mStrokeVisible = visible;
updateBackground();
}
}
int getColor(@ColorRes final int id) {
return getResources().getColor(id);
}
float getDimension(@DimenRes final int id) {
return getResources().getDimension(id);
}
TextView getLabelView() {
return (TextView) getTag(R.id.fab_label);
}
public String getTitle() {
return mTitle;
}
public void setTitle(final String title) {
mTitle = title;
final TextView label = getLabelView();
if (label != null) {
label.setText(title);
}
}
@Override
protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
setMeasuredDimension(mDrawableSize, mDrawableSize);
}
void updateBackground() {
final float strokeWidth = getDimension(R.dimen.fab_stroke_width);
final float halfStrokeWidth = strokeWidth / 2f;
final LayerDrawable layerDrawable = new LayerDrawable(
new Drawable[]{
getResources().getDrawable(mSize == SIZE_NORMAL ? R.drawable.fab_bg_normal : R.drawable.fab_bg_mini, null),
createFillDrawable(strokeWidth),
createOuterStrokeDrawable(strokeWidth),
getIconDrawable()
});
final int iconOffset = (int) (mCircleSize - getDimension(R.dimen.fab_icon_size)) / 2;
final int circleInsetHorizontal = (int) (mShadowRadius);
final int circleInsetTop = (int) (mShadowRadius - mShadowOffset);
final int circleInsetBottom = (int) (mShadowRadius + mShadowOffset);
layerDrawable.setLayerInset(1,
circleInsetHorizontal,
circleInsetTop,
circleInsetHorizontal,
circleInsetBottom);
layerDrawable.setLayerInset(2,
(int) (circleInsetHorizontal - halfStrokeWidth),
(int) (circleInsetTop - halfStrokeWidth),
(int) (circleInsetHorizontal - halfStrokeWidth),
(int) (circleInsetBottom - halfStrokeWidth));
layerDrawable.setLayerInset(3,
circleInsetHorizontal + iconOffset,
circleInsetTop + iconOffset,
circleInsetHorizontal + iconOffset,
circleInsetBottom + iconOffset);
setBackground(layerDrawable);
}
Drawable getIconDrawable() {
if (mIconDrawable != null) {
return mIconDrawable;
} else if (mIcon != 0) {
return getResources().getDrawable(mIcon, null);
} else {
return new ColorDrawable(Color.TRANSPARENT);
}
}
public void setIconDrawable(@NonNull final Drawable iconDrawable) {
if (mIconDrawable != iconDrawable) {
mIcon = 0;
mIconDrawable = iconDrawable;
updateBackground();
}
}
private StateListDrawable createFillDrawable(final float strokeWidth) {
final StateListDrawable drawable = new StateListDrawable();
drawable.addState(new int[]{-android.R.attr.state_enabled}, createCircleDrawable(mColorDisabled, strokeWidth));
drawable.addState(new int[]{android.R.attr.state_pressed}, createCircleDrawable(mColorPressed, strokeWidth));
drawable.addState(new int[]{}, createCircleDrawable(mColorNormal, strokeWidth));
return drawable;
}
private Drawable createCircleDrawable(final int color, final float strokeWidth) {
final int alpha = Color.alpha(color);
final int opaqueColor = opaque(color);
final ShapeDrawable fillDrawable = new ShapeDrawable(new OvalShape());
final Paint paint = fillDrawable.getPaint();
paint.setAntiAlias(true);
paint.setColor(opaqueColor);
final Drawable[] layers = {
fillDrawable,
createInnerStrokesDrawable(opaqueColor, strokeWidth)
};
final LayerDrawable drawable = alpha == 255 || !mStrokeVisible
? new LayerDrawable(layers)
: new TranslucentLayerDrawable(alpha, layers);
final int halfStrokeWidth = (int) (strokeWidth / 2f);
drawable.setLayerInset(1, halfStrokeWidth, halfStrokeWidth, halfStrokeWidth, halfStrokeWidth);
return drawable;
}
private Drawable createOuterStrokeDrawable(final float strokeWidth) {
final ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
final Paint paint = shapeDrawable.getPaint();
paint.setAntiAlias(true);
paint.setStrokeWidth(strokeWidth);
paint.setStyle(Style.STROKE);
paint.setColor(Color.BLACK);
paint.setAlpha(opacityToAlpha(0.02f));
return shapeDrawable;
}
private int opacityToAlpha(final float opacity) {
return (int) (255f * opacity);
}
private int darkenColor(final int argb) {
return adjustColorBrightness(argb, 0.9f);
}
private int lightenColor(final int argb) {
return adjustColorBrightness(argb, 1.1f);
}
private int adjustColorBrightness(final int argb, final float factor) {
final float[] hsv = new float[3];
Color.colorToHSV(argb, hsv);
hsv[2] = Math.min(hsv[2] * factor, 1f);
return Color.HSVToColor(Color.alpha(argb), hsv);
}
private int halfTransparent(final int argb) {
return Color.argb(
Color.alpha(argb) / 2,
Color.red(argb),
Color.green(argb),
Color.blue(argb)
);
}
private int opaque(final int argb) {
return Color.rgb(
Color.red(argb),
Color.green(argb),
Color.blue(argb)
);
}
private Drawable createInnerStrokesDrawable(final int color, final float strokeWidth) {
if (!mStrokeVisible) {
return new ColorDrawable(Color.TRANSPARENT);
}
final ShapeDrawable shapeDrawable = new ShapeDrawable(new OvalShape());
final int bottomStrokeColor = darkenColor(color);
final int bottomStrokeColorHalfTransparent = halfTransparent(bottomStrokeColor);
final int topStrokeColor = lightenColor(color);
final int topStrokeColorHalfTransparent = halfTransparent(topStrokeColor);
final Paint paint = shapeDrawable.getPaint();
paint.setAntiAlias(true);
paint.setStrokeWidth(strokeWidth);
paint.setStyle(Style.STROKE);
shapeDrawable.setShaderFactory(new ShaderFactory() {
@Override
public Shader resize(int width, int height) {
return new LinearGradient(width / 2, 0, width / 2, height,
new int[]{topStrokeColor, topStrokeColorHalfTransparent, color, bottomStrokeColorHalfTransparent, bottomStrokeColor},
new float[]{0f, 0.2f, 0.5f, 0.8f, 1f},
TileMode.CLAMP
);
}
});
return shapeDrawable;
}
@Override
public void setVisibility(final int visibility) {
final TextView label = getLabelView();
if (label != null) {
label.setVisibility(visibility);
}
super.setVisibility(visibility);
}
@Retention(RetentionPolicy.SOURCE)
@IntDef({SIZE_NORMAL, SIZE_MINI})
public @interface FAB_SIZE {
}
private static class TranslucentLayerDrawable extends LayerDrawable {
private final int mAlpha;
public TranslucentLayerDrawable(final int alpha, final Drawable... layers) {
super(layers);
mAlpha = alpha;
}
@Override
public void draw(final Canvas canvas) {
final Rect bounds = getBounds();
canvas.saveLayerAlpha(bounds.left, bounds.top, bounds.right, bounds.bottom, mAlpha);
super.draw(canvas);
canvas.restore();
}
}
}

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@ -0,0 +1,643 @@
/*
* Copyright © 2014 Jerzy Chalupski
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.widget.fab;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.AnimatorSet;
import android.animation.ObjectAnimator;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.os.Parcel;
import android.os.Parcelable;
import android.support.annotation.ColorRes;
import android.support.annotation.NonNull;
import android.util.AttributeSet;
import android.view.ContextThemeWrapper;
import android.view.TouchDelegate;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.DecelerateInterpolator;
import android.view.animation.Interpolator;
import android.view.animation.OvershootInterpolator;
import android.widget.TextView;
import com.wireguard.android.R;
public class FloatingActionsMenu extends ViewGroup {
public static final int EXPAND_UP = 0;
public static final int EXPAND_DOWN = 1;
public static final int EXPAND_LEFT = 2;
public static final int EXPAND_RIGHT = 3;
public static final int LABELS_ON_LEFT_SIDE = 0;
public static final int LABELS_ON_RIGHT_SIDE = 1;
private static final int ANIMATION_DURATION = 300;
private static final float COLLAPSED_PLUS_ROTATION = 0f;
private static final float EXPANDED_PLUS_ROTATION = 90f + 45f;
private static final Interpolator sExpandInterpolator = new OvershootInterpolator();
private static final Interpolator sCollapseInterpolator = new DecelerateInterpolator(3f);
private static final Interpolator sAlphaExpandInterpolator = new DecelerateInterpolator();
private int mAddButtonPlusColor;
private int mAddButtonColorNormal;
private int mAddButtonColorPressed;
private int mAddButtonSize;
private boolean mAddButtonStrokeVisible;
private int mExpandDirection;
private int mButtonSpacing;
private int mLabelsMargin;
private int mLabelsVerticalOffset;
private boolean mExpanded;
private final AnimatorSet mExpandAnimation = new AnimatorSet().setDuration(ANIMATION_DURATION);
private final AnimatorSet mCollapseAnimation = new AnimatorSet().setDuration(ANIMATION_DURATION);
private AddFloatingActionButton mAddButton;
private RotatingDrawable mRotatingDrawable;
private int mMaxButtonWidth;
private int mMaxButtonHeight;
private int mLabelsStyle;
private int mLabelsPosition;
private int mButtonsCount;
private TouchDelegateGroup mTouchDelegateGroup;
private OnFloatingActionsMenuUpdateListener mListener;
private final Rect touchArea = new Rect(0, 0, 0, 0);
public FloatingActionsMenu(final Context context) {
this(context, null);
}
public FloatingActionsMenu(final Context context, AttributeSet attrs) {
super(context, attrs);
init(context, attrs);
}
public FloatingActionsMenu(final Context context, final AttributeSet attrs, final int defStyle) {
super(context, attrs, defStyle);
init(context, attrs);
}
private void init(final Context context, final AttributeSet attributeSet) {
mButtonSpacing = (int) (getResources().getDimension(R.dimen.fab_actions_spacing) - getResources().getDimension(R.dimen.fab_shadow_radius) - getResources().getDimension(R.dimen.fab_shadow_offset));
mLabelsMargin = getResources().getDimensionPixelSize(R.dimen.fab_labels_margin);
mLabelsVerticalOffset = getResources().getDimensionPixelSize(R.dimen.fab_shadow_offset);
mTouchDelegateGroup = new TouchDelegateGroup(this);
setTouchDelegate(mTouchDelegateGroup);
final TypedArray attr = context.obtainStyledAttributes(attributeSet, R.styleable.FloatingActionsMenu, 0, 0);
mAddButtonPlusColor = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonPlusIconColor, getColor(android.R.color.white));
mAddButtonColorNormal = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonColorNormal, getColor(android.R.color.holo_blue_dark));
mAddButtonColorPressed = attr.getColor(R.styleable.FloatingActionsMenu_fab_addButtonColorPressed, getColor(android.R.color.holo_blue_light));
mAddButtonSize = attr.getInt(R.styleable.FloatingActionsMenu_fab_addButtonSize, FloatingActionButton.SIZE_NORMAL);
mAddButtonStrokeVisible = attr.getBoolean(R.styleable.FloatingActionsMenu_fab_addButtonStrokeVisible, true);
mExpandDirection = attr.getInt(R.styleable.FloatingActionsMenu_fab_expandDirection, EXPAND_UP);
mLabelsStyle = attr.getResourceId(R.styleable.FloatingActionsMenu_fab_labelStyle, 0);
mLabelsPosition = attr.getInt(R.styleable.FloatingActionsMenu_fab_labelsPosition, LABELS_ON_LEFT_SIDE);
attr.recycle();
if (mLabelsStyle != 0 && expandsHorizontally()) {
throw new IllegalStateException("Action labels in horizontal expand orientation is not supported.");
}
createAddButton(context);
}
public void setOnFloatingActionsMenuUpdateListener(final OnFloatingActionsMenuUpdateListener listener) {
mListener = listener;
}
private boolean expandsHorizontally() {
return mExpandDirection == EXPAND_LEFT || mExpandDirection == EXPAND_RIGHT;
}
private void createAddButton(final Context context) {
mAddButton = new AddFloatingActionButton(context) {
@Override
void updateBackground() {
mPlusColor = mAddButtonPlusColor;
mColorNormal = mAddButtonColorNormal;
mColorPressed = mAddButtonColorPressed;
mStrokeVisible = mAddButtonStrokeVisible;
super.updateBackground();
}
@Override
Drawable getIconDrawable() {
final RotatingDrawable rotatingDrawable = new RotatingDrawable(super.getIconDrawable());
mRotatingDrawable = rotatingDrawable;
final OvershootInterpolator interpolator = new OvershootInterpolator();
final ObjectAnimator collapseAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", EXPANDED_PLUS_ROTATION, COLLAPSED_PLUS_ROTATION);
final ObjectAnimator expandAnimator = ObjectAnimator.ofFloat(rotatingDrawable, "rotation", COLLAPSED_PLUS_ROTATION, EXPANDED_PLUS_ROTATION);
collapseAnimator.setInterpolator(interpolator);
expandAnimator.setInterpolator(interpolator);
mExpandAnimation.play(expandAnimator);
mCollapseAnimation.play(collapseAnimator);
return rotatingDrawable;
}
};
mAddButton.setId(R.id.fab_expand_menu_button);
mAddButton.setSize(mAddButtonSize);
mAddButton.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
toggle();
}
});
addView(mAddButton, super.generateDefaultLayoutParams());
mButtonsCount++;
}
public void addButton(final FloatingActionButton button) {
addView(button, mButtonsCount - 1);
mButtonsCount++;
if (mLabelsStyle != 0) {
createLabels();
}
}
public void removeButton(final FloatingActionButton button) {
removeView(button.getLabelView());
removeView(button);
button.setTag(R.id.fab_label, null);
mButtonsCount--;
}
private int getColor(@ColorRes final int id) {
return getResources().getColor(id);
}
@Override
protected void onMeasure(final int widthMeasureSpec, final int heightMeasureSpec) {
measureChildren(widthMeasureSpec, heightMeasureSpec);
int width = 0;
int height = 0;
mMaxButtonWidth = 0;
mMaxButtonHeight = 0;
int maxLabelWidth = 0;
for (int i = 0; i < mButtonsCount; i++) {
View child = getChildAt(i);
if (child.getVisibility() == GONE) {
continue;
}
switch (mExpandDirection) {
case EXPAND_UP:
case EXPAND_DOWN:
mMaxButtonWidth = Math.max(mMaxButtonWidth, child.getMeasuredWidth());
height += child.getMeasuredHeight();
break;
case EXPAND_LEFT:
case EXPAND_RIGHT:
width += child.getMeasuredWidth();
mMaxButtonHeight = Math.max(mMaxButtonHeight, child.getMeasuredHeight());
break;
}
if (!expandsHorizontally()) {
TextView label = (TextView) child.getTag(R.id.fab_label);
if (label != null) {
maxLabelWidth = Math.max(maxLabelWidth, label.getMeasuredWidth());
}
}
}
if (!expandsHorizontally()) {
width = mMaxButtonWidth + (maxLabelWidth > 0 ? maxLabelWidth + mLabelsMargin : 0);
} else {
height = mMaxButtonHeight;
}
switch (mExpandDirection) {
case EXPAND_UP:
case EXPAND_DOWN:
height += mButtonSpacing * (mButtonsCount - 1);
height = adjustForOvershoot(height);
break;
case EXPAND_LEFT:
case EXPAND_RIGHT:
width += mButtonSpacing * (mButtonsCount - 1);
width = adjustForOvershoot(width);
break;
}
setMeasuredDimension(width, height);
}
private int adjustForOvershoot(final int dimension) {
return dimension * 12 / 10;
}
@Override
protected void onLayout(final boolean changed, final int l, final int t, final int r, final int b) {
switch (mExpandDirection) {
case EXPAND_UP:
case EXPAND_DOWN:
final boolean expandUp = mExpandDirection == EXPAND_UP;
if (changed) {
mTouchDelegateGroup.clearTouchDelegates();
}
final int addButtonY = expandUp ? b - t - mAddButton.getMeasuredHeight() : 0;
// Ensure mAddButton is centered on the line where the buttons should be
final int buttonsHorizontalCenter = mLabelsPosition == LABELS_ON_LEFT_SIDE
? r - l - mMaxButtonWidth / 2
: mMaxButtonWidth / 2;
final int addButtonLeft = buttonsHorizontalCenter - mAddButton.getMeasuredWidth() / 2;
mAddButton.layout(addButtonLeft, addButtonY, addButtonLeft + mAddButton.getMeasuredWidth(), addButtonY + mAddButton.getMeasuredHeight());
final int labelsOffset = mMaxButtonWidth / 2 + mLabelsMargin;
final int labelsXNearButton = mLabelsPosition == LABELS_ON_LEFT_SIDE
? buttonsHorizontalCenter - labelsOffset
: buttonsHorizontalCenter + labelsOffset;
int nextY = expandUp ?
addButtonY - mButtonSpacing :
addButtonY + mAddButton.getMeasuredHeight() + mButtonSpacing;
for (int i = mButtonsCount - 1; i >= 0; i--) {
final View child = getChildAt(i);
if (child == mAddButton || child.getVisibility() == GONE) continue;
final int childX = buttonsHorizontalCenter - child.getMeasuredWidth() / 2;
final int childY = expandUp ? nextY - child.getMeasuredHeight() : nextY;
child.layout(childX, childY, childX + child.getMeasuredWidth(), childY + child.getMeasuredHeight());
final float collapsedTranslation = addButtonY - childY;
final float expandedTranslation = 0f;
child.setTranslationY(mExpanded ? expandedTranslation : collapsedTranslation);
child.setAlpha(mExpanded ? 1f : 0f);
LayoutParams params = (LayoutParams) child.getLayoutParams();
params.mCollapseDir.setFloatValues(expandedTranslation, collapsedTranslation);
params.mExpandDir.setFloatValues(collapsedTranslation, expandedTranslation);
params.setAnimationsTarget(child);
final View label = (View) child.getTag(R.id.fab_label);
if (label != null) {
final int labelXAwayFromButton = mLabelsPosition == LABELS_ON_LEFT_SIDE
? labelsXNearButton - label.getMeasuredWidth()
: labelsXNearButton + label.getMeasuredWidth();
final int labelLeft = mLabelsPosition == LABELS_ON_LEFT_SIDE
? labelXAwayFromButton
: labelsXNearButton;
final int labelRight = mLabelsPosition == LABELS_ON_LEFT_SIDE
? labelsXNearButton
: labelXAwayFromButton;
final int labelTop = childY - mLabelsVerticalOffset + (child.getMeasuredHeight() - label.getMeasuredHeight()) / 2;
label.layout(labelLeft, labelTop, labelRight, labelTop + label.getMeasuredHeight());
touchArea.set(Math.min(childX, labelLeft),
childY - mButtonSpacing / 2,
Math.max(childX + child.getMeasuredWidth(), labelRight),
childY + child.getMeasuredHeight() + mButtonSpacing / 2);
mTouchDelegateGroup.addTouchDelegate(new TouchDelegate(touchArea, child));
label.setTranslationY(mExpanded ? expandedTranslation : collapsedTranslation);
label.setAlpha(mExpanded ? 1f : 0f);
LayoutParams labelParams = (LayoutParams) label.getLayoutParams();
labelParams.mCollapseDir.setFloatValues(expandedTranslation, collapsedTranslation);
labelParams.mExpandDir.setFloatValues(collapsedTranslation, expandedTranslation);
labelParams.setAnimationsTarget(label);
}
nextY = expandUp ?
childY - mButtonSpacing :
childY + child.getMeasuredHeight() + mButtonSpacing;
}
break;
case EXPAND_LEFT:
case EXPAND_RIGHT:
final boolean expandLeft = mExpandDirection == EXPAND_LEFT;
final int addButtonX = expandLeft ? r - l - mAddButton.getMeasuredWidth() : 0;
// Ensure mAddButton is centered on the line where the buttons should be
final int addButtonTop = b - t - mMaxButtonHeight + (mMaxButtonHeight - mAddButton.getMeasuredHeight()) / 2;
mAddButton.layout(addButtonX, addButtonTop, addButtonX + mAddButton.getMeasuredWidth(), addButtonTop + mAddButton.getMeasuredHeight());
int nextX = expandLeft ?
addButtonX - mButtonSpacing :
addButtonX + mAddButton.getMeasuredWidth() + mButtonSpacing;
for (int i = mButtonsCount - 1; i >= 0; i--) {
final View child = getChildAt(i);
if (child == mAddButton || child.getVisibility() == GONE) continue;
final int childX = expandLeft ? nextX - child.getMeasuredWidth() : nextX;
final int childY = addButtonTop + (mAddButton.getMeasuredHeight() - child.getMeasuredHeight()) / 2;
child.layout(childX, childY, childX + child.getMeasuredWidth(), childY + child.getMeasuredHeight());
final float collapsedTranslation = addButtonX - childX;
final float expandedTranslation = 0f;
child.setTranslationX(mExpanded ? expandedTranslation : collapsedTranslation);
child.setAlpha(mExpanded ? 1f : 0f);
final LayoutParams params = (LayoutParams) child.getLayoutParams();
params.mCollapseDir.setFloatValues(expandedTranslation, collapsedTranslation);
params.mExpandDir.setFloatValues(collapsedTranslation, expandedTranslation);
params.setAnimationsTarget(child);
nextX = expandLeft ?
childX - mButtonSpacing :
childX + child.getMeasuredWidth() + mButtonSpacing;
}
break;
}
}
@Override
protected ViewGroup.LayoutParams generateDefaultLayoutParams() {
return new LayoutParams(super.generateDefaultLayoutParams());
}
@Override
public ViewGroup.LayoutParams generateLayoutParams(final AttributeSet attrs) {
return new LayoutParams(super.generateLayoutParams(attrs));
}
@Override
protected ViewGroup.LayoutParams generateLayoutParams(final ViewGroup.LayoutParams p) {
return new LayoutParams(super.generateLayoutParams(p));
}
@Override
protected boolean checkLayoutParams(final ViewGroup.LayoutParams p) {
return super.checkLayoutParams(p);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
bringChildToFront(mAddButton);
mButtonsCount = getChildCount();
if (mLabelsStyle != 0) {
createLabels();
}
}
private void createLabels() {
final Context context = new ContextThemeWrapper(getContext(), mLabelsStyle);
for (int i = 0; i < mButtonsCount; i++) {
final FloatingActionButton button = (FloatingActionButton) getChildAt(i);
final String title = button.getTitle();
if (button == mAddButton || title == null ||
button.getTag(R.id.fab_label) != null) continue;
final TextView label = new TextView(context);
label.setTextAppearance(context, mLabelsStyle);
label.setText(button.getTitle());
addView(label);
button.setTag(R.id.fab_label, label);
}
}
public void collapse() {
collapse(false);
}
public void collapseImmediately() {
collapse(true);
}
private void collapse(final boolean immediately) {
if (mExpanded) {
mExpanded = false;
mTouchDelegateGroup.setEnabled(false);
mCollapseAnimation.setDuration(immediately ? 0 : ANIMATION_DURATION);
mCollapseAnimation.start();
mExpandAnimation.cancel();
if (mListener != null) {
mListener.onMenuCollapsed();
}
}
}
public void toggle() {
if (mExpanded) {
collapse();
} else {
expand();
}
}
public void expand() {
if (!mExpanded) {
mExpanded = true;
mTouchDelegateGroup.setEnabled(true);
mCollapseAnimation.cancel();
mExpandAnimation.start();
if (mListener != null) {
mListener.onMenuExpanded();
}
}
}
public boolean isExpanded() {
return mExpanded;
}
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
mAddButton.setEnabled(enabled);
}
@Override
public Parcelable onSaveInstanceState() {
final Parcelable superState = super.onSaveInstanceState();
final SavedState savedState = new SavedState(superState);
savedState.mExpanded = mExpanded;
return savedState;
}
@Override
public void onRestoreInstanceState(final Parcelable state) {
if (state instanceof SavedState) {
final SavedState savedState = (SavedState) state;
mExpanded = savedState.mExpanded;
mTouchDelegateGroup.setEnabled(mExpanded);
if (mRotatingDrawable != null) {
mRotatingDrawable.setRotation(mExpanded ? EXPANDED_PLUS_ROTATION : COLLAPSED_PLUS_ROTATION);
}
super.onRestoreInstanceState(savedState.getSuperState());
} else {
super.onRestoreInstanceState(state);
}
}
public interface OnFloatingActionsMenuUpdateListener {
void onMenuExpanded();
void onMenuCollapsed();
}
private static class RotatingDrawable extends LayerDrawable {
private float mRotation;
RotatingDrawable(final Drawable drawable) {
super(new Drawable[]{drawable});
}
@SuppressWarnings("UnusedDeclaration")
public float getRotation() {
return mRotation;
}
@SuppressWarnings("UnusedDeclaration")
public void setRotation(final float rotation) {
mRotation = rotation;
invalidateSelf();
}
@Override
public void draw(final Canvas canvas) {
canvas.save();
canvas.rotate(mRotation, getBounds().centerX(), getBounds().centerY());
super.draw(canvas);
canvas.restore();
}
}
public static class SavedState extends BaseSavedState {
public static final Creator<SavedState> CREATOR = new Creator<SavedState>() {
@Override
public SavedState createFromParcel(Parcel in) {
return new SavedState(in);
}
@Override
public SavedState[] newArray(int size) {
return new SavedState[size];
}
};
public boolean mExpanded;
public SavedState(final Parcelable parcel) {
super(parcel);
}
private SavedState(final Parcel in) {
super(in);
mExpanded = in.readInt() == 1;
}
@Override
public void writeToParcel(@NonNull final Parcel out, final int flags) {
super.writeToParcel(out, flags);
out.writeInt(mExpanded ? 1 : 0);
}
}
private class LayoutParams extends ViewGroup.LayoutParams {
private final ObjectAnimator mExpandDir = new ObjectAnimator();
private final ObjectAnimator mExpandAlpha = new ObjectAnimator();
private final ObjectAnimator mCollapseDir = new ObjectAnimator();
private final ObjectAnimator mCollapseAlpha = new ObjectAnimator();
private boolean animationsSetToPlay;
LayoutParams(final ViewGroup.LayoutParams source) {
super(source);
mExpandDir.setInterpolator(sExpandInterpolator);
mExpandAlpha.setInterpolator(sAlphaExpandInterpolator);
mCollapseDir.setInterpolator(sCollapseInterpolator);
mCollapseAlpha.setInterpolator(sCollapseInterpolator);
mCollapseAlpha.setProperty(View.ALPHA);
mCollapseAlpha.setFloatValues(1f, 0f);
mExpandAlpha.setProperty(View.ALPHA);
mExpandAlpha.setFloatValues(0f, 1f);
switch (mExpandDirection) {
case EXPAND_UP:
case EXPAND_DOWN:
mCollapseDir.setProperty(View.TRANSLATION_Y);
mExpandDir.setProperty(View.TRANSLATION_Y);
break;
case EXPAND_LEFT:
case EXPAND_RIGHT:
mCollapseDir.setProperty(View.TRANSLATION_X);
mExpandDir.setProperty(View.TRANSLATION_X);
break;
}
}
public void setAnimationsTarget(final View view) {
mCollapseAlpha.setTarget(view);
mCollapseDir.setTarget(view);
mExpandAlpha.setTarget(view);
mExpandDir.setTarget(view);
// Now that the animations have targets, set them to be played
if (!animationsSetToPlay) {
addLayerTypeListener(mExpandDir, view);
addLayerTypeListener(mCollapseDir, view);
mCollapseAnimation.play(mCollapseAlpha);
mCollapseAnimation.play(mCollapseDir);
mExpandAnimation.play(mExpandAlpha);
mExpandAnimation.play(mExpandDir);
animationsSetToPlay = true;
}
}
private void addLayerTypeListener(final Animator animator, final View view) {
animator.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(final Animator animation) {
view.setLayerType(LAYER_TYPE_NONE, null);
}
@Override
public void onAnimationStart(final Animator animation) {
view.setLayerType(LAYER_TYPE_HARDWARE, null);
}
});
}
}
}

View File

@ -0,0 +1,78 @@
/*
* Copyright © 2014 Jerzy Chalupski
* Copyright © 2018 Jason A. Donenfeld <Jason@zx2c4.com>. All Rights Reserved.
* SPDX-License-Identifier: GPL-2.0-or-later
*/
package com.wireguard.android.widget.fab;
import android.graphics.Rect;
import android.support.annotation.NonNull;
import android.view.MotionEvent;
import android.view.TouchDelegate;
import android.view.View;
import java.util.ArrayList;
import java.util.List;
public class TouchDelegateGroup extends TouchDelegate {
private static final Rect USELESS_HACKY_RECT = new Rect();
private final List<TouchDelegate> mTouchDelegates = new ArrayList<>();
private TouchDelegate mCurrentTouchDelegate;
private boolean mEnabled;
public TouchDelegateGroup(final View uselessHackyView) {
super(USELESS_HACKY_RECT, uselessHackyView);
}
public void addTouchDelegate(@NonNull final TouchDelegate touchDelegate) {
mTouchDelegates.add(touchDelegate);
}
public void removeTouchDelegate(final TouchDelegate touchDelegate) {
mTouchDelegates.remove(touchDelegate);
if (mCurrentTouchDelegate == touchDelegate) {
mCurrentTouchDelegate = null;
}
}
public void clearTouchDelegates() {
mTouchDelegates.clear();
mCurrentTouchDelegate = null;
}
@Override
public boolean onTouchEvent(@NonNull final MotionEvent event) {
if (!mEnabled) return false;
TouchDelegate delegate = null;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
for (int i = 0; i < mTouchDelegates.size(); i++) {
final TouchDelegate touchDelegate = mTouchDelegates.get(i);
if (touchDelegate.onTouchEvent(event)) {
mCurrentTouchDelegate = touchDelegate;
return true;
}
}
break;
case MotionEvent.ACTION_MOVE:
delegate = mCurrentTouchDelegate;
break;
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
delegate = mCurrentTouchDelegate;
mCurrentTouchDelegate = null;
break;
}
return delegate != null && delegate.onTouchEvent(event);
}
public void setEnabled(final boolean enabled) {
mEnabled = enabled;
}
}

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@ -29,7 +29,7 @@
app:items="@{tunnels}" app:items="@{tunnels}"
app:layout="@{@layout/tunnel_list_item}" /> app:layout="@{@layout/tunnel_list_item}" />
<com.getbase.floatingactionbutton.FloatingActionsMenu <com.wireguard.android.widget.fab.FloatingActionsMenu
android:id="@+id/create_menu" android:id="@+id/create_menu"
android:layout_width="wrap_content" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_height="wrap_content"
@ -39,7 +39,7 @@
app:fab_labelsPosition="left" app:fab_labelsPosition="left"
app:layout_dodgeInsetEdges="bottom"> app:layout_dodgeInsetEdges="bottom">
<com.getbase.floatingactionbutton.FloatingActionButton <com.wireguard.android.widget.fab.FloatingActionButton
android:id="@+id/create_empty" android:id="@+id/create_empty"
android:layout_width="wrap_content" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_height="wrap_content"
@ -48,7 +48,7 @@
app:fab_size="mini" app:fab_size="mini"
app:fab_title="@string/create_empty" /> app:fab_title="@string/create_empty" />
<com.getbase.floatingactionbutton.FloatingActionButton <com.wireguard.android.widget.fab.FloatingActionButton
android:id="@+id/create_from_file" android:id="@+id/create_from_file"
android:layout_width="wrap_content" android:layout_width="wrap_content"
android:layout_height="wrap_content" android:layout_height="wrap_content"
@ -56,6 +56,6 @@
app:fab_icon="@drawable/ic_action_open" app:fab_icon="@drawable/ic_action_open"
app:fab_size="mini" app:fab_size="mini"
app:fab_title="@string/create_from_file" /> app:fab_title="@string/create_from_file" />
</com.getbase.floatingactionbutton.FloatingActionsMenu> </com.wireguard.android.widget.fab.FloatingActionsMenu>
</android.support.design.widget.CoordinatorLayout> </android.support.design.widget.CoordinatorLayout>
</layout> </layout>

View File

@ -0,0 +1,58 @@
<?xml version="1.0" encoding="utf-8"?>
<resources>
<item name="fab_expand_menu_button" type="id"/>
<item name="fab_label" type="id"/>
<dimen name="fab_size_normal">56dp</dimen>
<dimen name="fab_size_mini">40dp</dimen>
<dimen name="fab_icon_size">24dp</dimen>
<dimen name="fab_plus_icon_size">14dp</dimen>
<dimen name="fab_plus_icon_stroke">2dp</dimen>
<dimen name="fab_shadow_offset">3dp</dimen>
<dimen name="fab_shadow_radius">9dp</dimen>
<dimen name="fab_stroke_width">1dp</dimen>
<dimen name="fab_actions_spacing">16dp</dimen>
<dimen name="fab_labels_margin">8dp</dimen>
<declare-styleable name="FloatingActionButton">
<attr name="fab_colorPressed" format="color"/>
<attr name="fab_colorDisabled" format="color"/>
<attr name="fab_colorNormal" format="color"/>
<attr name="fab_icon" format="reference"/>
<attr name="fab_size" format="enum">
<enum name="normal" value="0"/>
<enum name="mini" value="1"/>
</attr>
<attr name="fab_title" format="string"/>
<attr name="fab_stroke_visible" format="boolean"/>
</declare-styleable>
<declare-styleable name="AddFloatingActionButton">
<attr name="fab_plusIconColor" format="color"/>
</declare-styleable>
<declare-styleable name="FloatingActionsMenu">
<attr name="fab_addButtonColorPressed" format="color"/>
<attr name="fab_addButtonColorNormal" format="color"/>
<attr name="fab_addButtonSize" format="enum">
<enum name="normal" value="0"/>
<enum name="mini" value="1"/>
</attr>
<attr name="fab_addButtonPlusIconColor" format="color"/>
<attr name="fab_addButtonStrokeVisible" format="boolean"/>
<attr name="fab_labelStyle" format="reference"/>
<attr name="fab_labelsPosition" format="enum">
<enum name="left" value="0"/>
<enum name="right" value="1"/>
</attr>
<attr name="fab_expandDirection" format="enum">
<enum name="up" value="0"/>
<enum name="down" value="1"/>
<enum name="left" value="2"/>
<enum name="right" value="3"/>
</attr>
</declare-styleable>
</resources>