public void animateOpen() {
if (!(getParent() instanceof DragLayer)) return;
Animator openFolderAnim = null;
final Runnable onCompleteRunnable;
if (!Utilities.isLmpOrAbove()) {
positionAndSizeAsIcon();
centerAboutIcon();
PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1);
PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
final ObjectAnimator oa =
LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);
oa.setDuration(mExpandDuration);
openFolderAnim = oa;
setLayerType(LAYER_TYPE_HARDWARE, null);
onCompleteRunnable =
new Runnable() {
@Override
public void run() {
setLayerType(LAYER_TYPE_NONE, null);
}
};
} else {
prepareReveal();
centerAboutIcon();
int width = getPaddingLeft() + getPaddingRight() + mContent.getDesiredWidth();
int height = getFolderHeight();
float transX = -0.075f * (width / 2 - getPivotX());
float transY = -0.075f * (height / 2 - getPivotY());
setTranslationX(transX);
setTranslationY(transY);
PropertyValuesHolder tx = PropertyValuesHolder.ofFloat("translationX", transX, 0);
PropertyValuesHolder ty = PropertyValuesHolder.ofFloat("translationY", transY, 0);
int rx = (int) Math.max(Math.max(width - getPivotX(), 0), getPivotX());
int ry = (int) Math.max(Math.max(height - getPivotY(), 0), getPivotY());
float radius = (float) Math.sqrt(rx * rx + ry * ry);
AnimatorSet anim = LauncherAnimUtils.createAnimatorSet();
Animator reveal =
LauncherAnimUtils.createCircularReveal(
this, (int) getPivotX(), (int) getPivotY(), 0, radius);
reveal.setDuration(mMaterialExpandDuration);
reveal.setInterpolator(new LogDecelerateInterpolator(100, 0));
mContent.setAlpha(0f);
Animator iconsAlpha = LauncherAnimUtils.ofFloat(mContent, "alpha", 0f, 1f);
iconsAlpha.setDuration(mMaterialExpandDuration);
iconsAlpha.setStartDelay(mMaterialExpandStagger);
iconsAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
mFolderName.setAlpha(0f);
Animator textAlpha = LauncherAnimUtils.ofFloat(mFolderName, "alpha", 0f, 1f);
textAlpha.setDuration(mMaterialExpandDuration);
textAlpha.setStartDelay(mMaterialExpandStagger);
textAlpha.setInterpolator(new AccelerateInterpolator(1.5f));
Animator drift = LauncherAnimUtils.ofPropertyValuesHolder(this, tx, ty);
drift.setDuration(mMaterialExpandDuration);
drift.setStartDelay(mMaterialExpandStagger);
drift.setInterpolator(new LogDecelerateInterpolator(60, 0));
anim.play(drift);
anim.play(iconsAlpha);
anim.play(textAlpha);
anim.play(reveal);
openFolderAnim = anim;
mContent.setLayerType(LAYER_TYPE_HARDWARE, null);
onCompleteRunnable =
new Runnable() {
@Override
public void run() {
mContent.setLayerType(LAYER_TYPE_NONE, null);
}
};
}
openFolderAnim.addListener(
new AnimatorListenerAdapter() {
@Override
public void onAnimationStart(Animator animation) {
sendCustomAccessibilityEvent(
AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
String.format(
getContext().getString(R.string.folder_opened),
mContent.getCountX(),
mContent.getCountY()));
mState = STATE_ANIMATING;
}
@Override
public void onAnimationEnd(Animator animation) {
mState = STATE_OPEN;
if (onCompleteRunnable != null) {
onCompleteRunnable.run();
}
setFocusOnFirstChild();
}
});
openFolderAnim.start();
// Make sure the folder picks up the last drag move even if the finger doesn't move.
if (mDragController.isDragging()) {
mDragController.forceTouchMove();
}
}
