/**
* We use this method for getting color for rounded borders only similarly as for {@link
* #getFullBorderWidth}.
*/
private int getFullBorderColor() {
float rgb =
(mBorderRGB != null && !CSSConstants.isUndefined(mBorderRGB.getRaw(Spacing.ALL)))
? mBorderRGB.getRaw(Spacing.ALL)
: DEFAULT_BORDER_RGB;
float alpha =
(mBorderAlpha != null && !CSSConstants.isUndefined(mBorderAlpha.getRaw(Spacing.ALL)))
? mBorderAlpha.getRaw(Spacing.ALL)
: DEFAULT_BORDER_ALPHA;
return ReactViewBackgroundDrawable.colorFromAlphaAndRGBComponents(alpha, rgb);
}
@ReactProp(name = ViewProps.BORDER_WIDTH, defaultFloat = CSSConstants.UNDEFINED)
public void setBorderWidth(ReactViewGroup view, float width) {
if (!CSSConstants.isUndefined(width)) {
width = PixelUtil.toPixelFromDIP(width);
}
view.setBorderWidth(Spacing.ALL, width);
}
@Override
public void draw(Canvas canvas) {
updatePathEffect();
boolean roundedBorders =
mBorderCornerRadii != null
|| (!CSSConstants.isUndefined(mBorderRadius) && mBorderRadius > 0);
if ((mBorderStyle == null || mBorderStyle == BorderStyle.SOLID) && !roundedBorders) {
drawRectangularBackgroundWithBorders(canvas);
} else {
drawRoundedBackgroundWithBorders(canvas);
}
}
/* Android's elevation implementation requires this to be implemented to know where to draw the shadow. */
@Override
public void getOutline(Outline outline) {
if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
super.getOutline(outline);
return;
}
if ((!CSSConstants.isUndefined(mBorderRadius) && mBorderRadius > 0)
|| mBorderCornerRadii != null) {
updatePath();
outline.setConvexPath(mPathForBorderRadiusOutline);
} else {
outline.setRect(getBounds());
}
}
@ReactPropGroup(
names = {
ViewProps.BORDER_WIDTH,
ViewProps.BORDER_LEFT_WIDTH,
ViewProps.BORDER_RIGHT_WIDTH,
ViewProps.BORDER_TOP_WIDTH,
ViewProps.BORDER_BOTTOM_WIDTH,
},
defaultFloat = CSSConstants.UNDEFINED)
public void setBorderWidth(ReactViewGroup view, int index, float width) {
if (!CSSConstants.isUndefined(width)) {
width = PixelUtil.toPixelFromDIP(width);
}
view.setBorderWidth(SPACING_TYPES[index], width);
}
/** For rounded borders we use default "borderWidth" property. */
private float getFullBorderWidth() {
return (mBorderWidth != null && !CSSConstants.isUndefined(mBorderWidth.getRaw(Spacing.ALL)))
? mBorderWidth.getRaw(Spacing.ALL)
: 0f;
}
private void updatePath() {
if (!mNeedUpdatePathForBorderRadius) {
return;
}
mNeedUpdatePathForBorderRadius = false;
if (mPathForBorderRadius == null) {
mPathForBorderRadius = new Path();
mTempRectForBorderRadius = new RectF();
mPathForBorderRadiusOutline = new Path();
mTempRectForBorderRadiusOutline = new RectF();
}
mPathForBorderRadius.reset();
mPathForBorderRadiusOutline.reset();
mTempRectForBorderRadius.set(getBounds());
mTempRectForBorderRadiusOutline.set(getBounds());
float fullBorderWidth = getFullBorderWidth();
if (fullBorderWidth > 0) {
mTempRectForBorderRadius.inset(fullBorderWidth * 0.5f, fullBorderWidth * 0.5f);
}
float defaultBorderRadius = !CSSConstants.isUndefined(mBorderRadius) ? mBorderRadius : 0;
float topLeftRadius =
mBorderCornerRadii != null && !CSSConstants.isUndefined(mBorderCornerRadii[0])
? mBorderCornerRadii[0]
: defaultBorderRadius;
float topRightRadius =
mBorderCornerRadii != null && !CSSConstants.isUndefined(mBorderCornerRadii[1])
? mBorderCornerRadii[1]
: defaultBorderRadius;
float bottomRightRadius =
mBorderCornerRadii != null && !CSSConstants.isUndefined(mBorderCornerRadii[2])
? mBorderCornerRadii[2]
: defaultBorderRadius;
float bottomLeftRadius =
mBorderCornerRadii != null && !CSSConstants.isUndefined(mBorderCornerRadii[3])
? mBorderCornerRadii[3]
: defaultBorderRadius;
mPathForBorderRadius.addRoundRect(
mTempRectForBorderRadius,
new float[] {
topLeftRadius,
topLeftRadius,
topRightRadius,
topRightRadius,
bottomRightRadius,
bottomRightRadius,
bottomLeftRadius,
bottomLeftRadius
},
Path.Direction.CW);
float extraRadiusForOutline = 0;
if (mBorderWidth != null) {
extraRadiusForOutline = mBorderWidth.get(Spacing.ALL) / 2f;
}
mPathForBorderRadiusOutline.addRoundRect(
mTempRectForBorderRadiusOutline,
new float[] {
topLeftRadius + extraRadiusForOutline,
topLeftRadius + extraRadiusForOutline,
topRightRadius + extraRadiusForOutline,
topRightRadius + extraRadiusForOutline,
bottomRightRadius + extraRadiusForOutline,
bottomRightRadius + extraRadiusForOutline,
bottomLeftRadius + extraRadiusForOutline,
bottomLeftRadius + extraRadiusForOutline
},
Path.Direction.CW);
}