@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
// Target placement width/height. This puts the targets on the greater of the ring
// width or the specified outer radius.
final float placementWidth = getRingWidth();
final float placementHeight = getRingHeight();
float newWaveCenterX = mHorizontalInset + (mMaxTargetWidth + placementWidth) / 2;
float newWaveCenterY = mVerticalInset + (mMaxTargetHeight + placementHeight) / 2;
if (mInitialLayout) {
stopAndHideWaveAnimation();
hideTargets(false, false);
mInitialLayout = false;
}
mOuterRing.setPositionX(newWaveCenterX);
mOuterRing.setPositionY(newWaveCenterY);
mPointCloud.setScale(mRingScaleFactor);
mHandleDrawable.setPositionX(newWaveCenterX);
mHandleDrawable.setPositionY(newWaveCenterY);
updateTargetPositions(newWaveCenterX, newWaveCenterY);
updatePointCloudPosition(newWaveCenterX, newWaveCenterY);
updateGlowPosition(newWaveCenterX, newWaveCenterY);
mWaveCenterX = newWaveCenterX;
mWaveCenterY = newWaveCenterY;
if (DEBUG) dump();
}
private void internalSetTargetResources(int resourceId) {
final ArrayList<TargetDrawable> targets = loadDrawableArray(resourceId);
mTargetDrawables = targets;
mTargetResourceId = resourceId;
int maxWidth = mHandleDrawable.getWidth();
int maxHeight = mHandleDrawable.getHeight();
final int count = targets.size();
for (int i = 0; i < count; i++) {
TargetDrawable target = targets.get(i);
maxWidth = Math.max(maxWidth, target.getWidth());
maxHeight = Math.max(maxHeight, target.getHeight());
}
if (mMaxTargetWidth != maxWidth || mMaxTargetHeight != maxHeight) {
mMaxTargetWidth = maxWidth;
mMaxTargetHeight = maxHeight;
requestLayout(); // required to resize layout and call updateTargetPositions()
} else {
updateTargetPositions(mWaveCenterX, mWaveCenterY);
updatePointCloudPosition(mWaveCenterX, mWaveCenterY);
}
}
private void updateTargetPositions(float centerX, float centerY) {
updateTargetPositions(centerX, centerY, false);
}