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package com.mapbox.mapboxsdk.annotations;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.util.DisplayMetrics;
import android.widget.LinearLayout;
import com.mapbox.mapboxsdk.R;
/**
* Bubble View for Android with custom stroke width and color, arrow size, position and direction.
*/
public class BubbleLayout extends LinearLayout {
public static final float DEFAULT_STROKE_WIDTH = -1;
private ArrowDirection arrowDirection;
private float arrowWidth;
private float arrowHeight;
private float arrowPosition;
private float cornersRadius;
private Bubble bubble;
private int bubbleColor;
private float strokeWidth;
private int strokeColor;
public BubbleLayout(Context context) {
this(context, null, 0);
}
public BubbleLayout(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public BubbleLayout(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr);
TypedArray a = getContext().obtainStyledAttributes(attrs, R.styleable.mapbox_BubbleLayout);
@ArrowDirection.Value
int location = a.getInt(R.styleable.mapbox_BubbleLayout_mapbox_bl_arrowDirection,
ArrowDirection.LEFT);
arrowDirection = new ArrowDirection(location);
arrowWidth = a.getDimension(R.styleable.mapbox_BubbleLayout_mapbox_bl_arrowWidth,
convertDpToPixel(8, context));
arrowHeight = a.getDimension(R.styleable.mapbox_BubbleLayout_mapbox_bl_arrowHeight,
convertDpToPixel(8, context));
arrowPosition = a.getDimension(R.styleable.mapbox_BubbleLayout_mapbox_bl_arrowPosition,
convertDpToPixel(12, context));
cornersRadius = a.getDimension(R.styleable.mapbox_BubbleLayout_mapbox_bl_cornersRadius, 0);
bubbleColor = a.getColor(R.styleable.mapbox_BubbleLayout_mapbox_bl_bubbleColor, Color.WHITE);
strokeWidth =
a.getDimension(R.styleable.mapbox_BubbleLayout_mapbox_bl_strokeWidth, DEFAULT_STROKE_WIDTH);
strokeColor = a.getColor(R.styleable.mapbox_BubbleLayout_mapbox_bl_strokeColor, Color.GRAY);
a.recycle();
initPadding();
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
initDrawable(0, getWidth(), 0, getHeight());
}
@Override
protected void dispatchDraw(Canvas canvas) {
if (bubble != null) {
bubble.draw(canvas);
}
super.dispatchDraw(canvas);
}
static float convertDpToPixel(float dp, Context context) {
DisplayMetrics metrics = context.getResources().getDisplayMetrics();
return dp * (metrics.densityDpi / DisplayMetrics.DENSITY_DEFAULT);
}
public ArrowDirection getArrowDirection() {
return arrowDirection;
}
public BubbleLayout setArrowDirection(ArrowDirection arrowDirection) {
resetPadding();
this.arrowDirection = arrowDirection;
initPadding();
return this;
}
public float getArrowWidth() {
return arrowWidth;
}
public BubbleLayout setArrowWidth(float arrowWidth) {
resetPadding();
this.arrowWidth = arrowWidth;
initPadding();
return this;
}
public float getArrowHeight() {
return arrowHeight;
}
public BubbleLayout setArrowHeight(float arrowHeight) {
resetPadding();
this.arrowHeight = arrowHeight;
initPadding();
return this;
}
public float getArrowPosition() {
return arrowPosition;
}
public BubbleLayout setArrowPosition(float arrowPosition) {
resetPadding();
this.arrowPosition = arrowPosition;
initPadding();
return this;
}
public float getCornersRadius() {
return cornersRadius;
}
public BubbleLayout setCornersRadius(float cornersRadius) {
this.cornersRadius = cornersRadius;
requestLayout();
return this;
}
public int getBubbleColor() {
return bubbleColor;
}
public BubbleLayout setBubbleColor(int bubbleColor) {
this.bubbleColor = bubbleColor;
requestLayout();
return this;
}
public float getStrokeWidth() {
return strokeWidth;
}
public BubbleLayout setStrokeWidth(float strokeWidth) {
resetPadding();
this.strokeWidth = strokeWidth;
initPadding();
return this;
}
public int getStrokeColor() {
return strokeColor;
}
public BubbleLayout setStrokeColor(int strokeColor) {
this.strokeColor = strokeColor;
requestLayout();
return this;
}
private void initPadding() {
int paddingLeft = getPaddingLeft();
int paddingRight = getPaddingRight();
int paddingTop = getPaddingTop();
int paddingBottom = getPaddingBottom();
switch (arrowDirection.getValue()) {
case ArrowDirection.LEFT:
paddingLeft += arrowWidth;
break;
case ArrowDirection.RIGHT:
paddingRight += arrowWidth;
break;
case ArrowDirection.TOP:
paddingTop += arrowHeight;
break;
case ArrowDirection.BOTTOM:
paddingBottom += arrowHeight;
break;
}
if (strokeWidth > 0) {
paddingLeft += strokeWidth;
paddingRight += strokeWidth;
paddingTop += strokeWidth;
paddingBottom += strokeWidth;
}
setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom);
}
private void initDrawable(int left, int right, int top, int bottom) {
if (right < left || bottom < top) {
return;
}
RectF rectF = new RectF(left, top, right, bottom);
bubble = new Bubble(rectF, arrowDirection, arrowWidth, arrowHeight, arrowPosition, cornersRadius,
bubbleColor, strokeWidth, strokeColor);
}
private void resetPadding() {
int paddingLeft = getPaddingLeft();
int paddingRight = getPaddingRight();
int paddingTop = getPaddingTop();
int paddingBottom = getPaddingBottom();
switch (arrowDirection.getValue()) {
case ArrowDirection.LEFT:
paddingLeft -= arrowWidth;
break;
case ArrowDirection.RIGHT:
paddingRight -= arrowWidth;
break;
case ArrowDirection.TOP:
paddingTop -= arrowHeight;
break;
case ArrowDirection.BOTTOM:
paddingBottom -= arrowHeight;
break;
}
if (strokeWidth > 0) {
paddingLeft -= strokeWidth;
paddingRight -= strokeWidth;
paddingTop -= strokeWidth;
paddingBottom -= strokeWidth;
}
setPadding(paddingLeft, paddingTop, paddingRight, paddingBottom);
}
}
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