@Subscribe(mode = Subscribe.Mode.Background)
public void onUpdatedAmbientLight(LightSensor sensor) {
// calculates the new color based on the sensor values and the original color
// the algorithm is magical
final int newColor =
Color.HSVToColor(GaiaUtils.computeHSV(sensor, objectToMutate, originalColor));
int currentColor = 0;
// mutate all the things
Object view = objectToMutate.get();
if (view != null) {
if (view instanceof LinearLayout) {
currentColor = ((ColorDrawable) ((LinearLayout) view).getBackground()).getColor();
} else if (view instanceof TextView) {
currentColor = ((TextView) view).getCurrentTextColor();
} else if (view instanceof FloatingActionButton) {
currentColor = ((FloatingActionButton) view).getBackgroundTintList().getDefaultColor();
} else if (view instanceof FrameLayout) {
currentColor = ((ColorDrawable) ((FrameLayout) view).getBackground()).getColor();
}
}
boolean hasNewColor = currentColor != newColor;
boolean isReady = GaiaUtils.isReady(lastUpdate);
// we don't want to update the colors every time the sensor outputs new values. Yes, the sensor
// is very nervous
if (hasNewColor && isReady) {
final int fromColor = currentColor;
lastUpdate = System.currentTimeMillis();
// run this on the Main Thread, this @Subscribe method runs in a background thread
App.MAIN_THREAD.post(
new Runnable() {
@Override
public void run() {
// much animation. wow material. such beauty. so rad
// pass it the object (in this case it's a view) that's going to be mutated,
// the starting color value, and the color we want to animate to
// lastly the duration of the animation, in this case the default should be 250ms
ColorAnimationUtils.animateColor(
objectToMutate, fromColor, newColor, COLOR_TRANSFORM_DURATION);
}
});
}
}
private Gaia(Builder builder) {
this.name = builder.getName();
this.objectToMutate = builder.getMutativeView();
this.originalColor = builder.getColorToScale();
// tango down!
GaiaUtils.seekAndDestroy(getName());
// good morning!!
App.GAIAS.add(this);
// One Bus to rule them all, One Bus to find them,
// One Bus to bring them all and in the darkness bind them
App.BUS.register(this);
}