@Override
public boolean commitText(CharSequence text, int newCursorPosition) {
nativeCommitText(text.toString(), newCursorPosition);
return super.commitText(text, newCursorPosition);
}
@Override
public boolean setComposingText(CharSequence text, int newCursorPosition) {
nativeSetComposingText(text.toString(), newCursorPosition);
return super.setComposingText(text, newCursorPosition);
}
@Override
protected void onDraw(Canvas canvas) {
super.onDraw(canvas);
int radius = 0;
int shadowColor = changeColorAlpha(mShadowColor, MIN_SHADOW_COLOR_ALPHA);
long elapsed = System.currentTimeMillis() - mStartTime;
switch (mState) {
case StateNormal:
shadowColor = changeColorAlpha(mShadowColor, MIN_SHADOW_COLOR_ALPHA);
break;
case StateTouchDown:
ripplePaint.setAlpha(255);
if (elapsed < ANIMATION_DURATION) {
radius = Math.round(elapsed * getWidth() / 2 / ANIMATION_DURATION);
float shadowAlpha =
(MAX_SHADOW_COLOR_ALPHA - MIN_SHADOW_COLOR_ALPHA) * elapsed / ANIMATION_DURATION
+ MIN_SHADOW_COLOR_ALPHA;
shadowColor = changeColorAlpha(mShadowColor, shadowAlpha);
} else {
radius = getWidth() / 2;
shadowColor = changeColorAlpha(mShadowColor, MAX_SHADOW_COLOR_ALPHA);
}
postInvalidate();
break;
case StateTouchUp:
if (elapsed < ANIMATION_DURATION) {
int alpha = Math.round((ANIMATION_DURATION - elapsed) * 255 / ANIMATION_DURATION);
ripplePaint.setAlpha(alpha);
radius = getWidth() / 2 + Math.round(elapsed * getWidth() / 2 / ANIMATION_DURATION);
float shadowAlpha =
(MAX_SHADOW_COLOR_ALPHA - MIN_SHADOW_COLOR_ALPHA)
* (ANIMATION_DURATION - elapsed)
/ ANIMATION_DURATION
+ MIN_SHADOW_COLOR_ALPHA;
shadowColor = changeColorAlpha(mShadowColor, shadowAlpha);
} else {
mState = StateNormal;
radius = 0;
ripplePaint.setAlpha(0);
shadowColor = changeColorAlpha(mShadowColor, MIN_SHADOW_COLOR_ALPHA);
}
postInvalidate();
break;
}
backgroundPaint.setShadowLayer(mShadowRadius, mShadowOffsetX, mShadowOffsetY, shadowColor);
canvas.drawRoundRect(getRectF(), mCornerRadius, mCornerRadius, backgroundPaint);
canvas.save();
if (mState == StateTouchDown || mState == StateTouchUp) {
if (rippleClipPath == null) {
rippleClipPath = new Path();
rippleClipPath.addRoundRect(getRectF(), mCornerRadius, mCornerRadius, Path.Direction.CW);
}
canvas.clipPath(rippleClipPath);
}
canvas.drawCircle(mTouchPoint.x, mTouchPoint.y, radius, ripplePaint);
canvas.restore();
if (mText != null && mText.length() > 0) {
int y = (int) (getHeight() / 2 - ((textPaint.descent() + textPaint.ascent()) / 2));
canvas.drawText(mText.toString(), getWidth() / 2, y, textPaint);
}
}