/** アニメーションの処理を行います。 */
@Override
public void handleMessage(Message msg) {
final FloatingView floatingView = mFloatingView.get();
if (floatingView == null) {
removeMessages(ANIMATION_IN_TOUCH);
return;
}
final int animationCode = msg.what;
final int animationType = msg.arg1;
final WindowManager.LayoutParams params = floatingView.mParams;
final WindowManager windowManager = floatingView.mWindowManager;
// 状態変更またはアニメーションを開始した場合の初期化
if (mIsChangeState || animationType == TYPE_FIRST) {
// 状態変更時のみアニメーション時間を使う
mStartTime = mIsChangeState ? SystemClock.uptimeMillis() : 0;
mStartX = params.x;
mStartY = params.y;
mStartedCode = animationCode;
mIsChangeState = false;
}
// 経過時間
final float elapsedTime = SystemClock.uptimeMillis() - mStartTime;
final float trackingTargetTimeRate = Math.min(elapsedTime / CAPTURE_DURATION_MILLIS, 1.0f);
// 重なっていない場合のアニメーション
if (mState == FloatingView.STATE_NORMAL) {
final float basePosition = calcAnimationPosition(trackingTargetTimeRate);
// 画面外へのオーバーを認める
final Rect moveLimitRect = floatingView.mMoveLimitRect;
// 最終的な到達点
final float targetPositionX =
Math.min(Math.max(moveLimitRect.left, (int) mTouchPositionX), moveLimitRect.right);
final float targetPositionY =
Math.min(Math.max(moveLimitRect.top, (int) mTouchPositionY), moveLimitRect.bottom);
params.x = (int) (mStartX + (targetPositionX - mStartX) * basePosition);
params.y = (int) (mStartY + (targetPositionY - mStartY) * basePosition);
windowManager.updateViewLayout(floatingView, params);
sendMessageAtTime(
newMessage(animationCode, TYPE_UPDATE),
SystemClock.uptimeMillis() + ANIMATION_REFRESH_TIME_MILLIS);
}
// 重なった場合のアニメーション
else if (mState == FloatingView.STATE_INTERSECTING) {
final float basePosition = calcAnimationPosition(trackingTargetTimeRate);
// 最終的な到達点
final float targetPositionX = mTargetPositionX - floatingView.getWidth() / 2;
final float targetPositionY = mTargetPositionY - floatingView.getHeight() / 2;
// 現在地からの移動
params.x = (int) (mStartX + (targetPositionX - mStartX) * basePosition);
params.y = (int) (mStartY + (targetPositionY - mStartY) * basePosition);
windowManager.updateViewLayout(floatingView, params);
sendMessageAtTime(
newMessage(animationCode, TYPE_UPDATE),
SystemClock.uptimeMillis() + ANIMATION_REFRESH_TIME_MILLIS);
}
}
@Override
public void handleMessage(Message msg) {
FloatingView view = mFloatingView.get();
if (view == null) {
removeMessages(LONG_PRESSED);
return;
}
view.onLongClick();
}