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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.keyguard;
import android.animation.Animator;
import android.animation.AnimatorListenerAdapter;
import android.animation.ObjectAnimator;
import android.graphics.drawable.Drawable;
import android.view.View;
/**
* Some common functions that are useful for KeyguardSecurityViews.
*/
public class KeyguardSecurityViewHelper {
public static void showBouncer(SecurityMessageDisplay securityMessageDisplay,
final View ecaView, Drawable bouncerFrame, int duration) {
if (securityMessageDisplay != null) {
securityMessageDisplay.showBouncer(duration);
}
if (ecaView != null) {
if (duration > 0) {
Animator anim = ObjectAnimator.ofFloat(ecaView, "alpha", 0f);
anim.setDuration(duration);
anim.addListener(new AnimatorListenerAdapter() {
private boolean mCanceled;
@Override
public void onAnimationCancel(Animator animation) {
// Fail safe and show the emergency button in onAnimationEnd()
mCanceled = true;
ecaView.setAlpha(1f);
}
@Override
public void onAnimationEnd(Animator animation) {
ecaView.setVisibility(mCanceled ? View.VISIBLE : View.INVISIBLE);
}
});
anim.start();
} else {
ecaView.setAlpha(0f);
ecaView.setVisibility(View.INVISIBLE);
}
}
if (bouncerFrame != null) {
if (duration > 0) {
Animator anim = ObjectAnimator.ofInt(bouncerFrame, "alpha", 0, 255);
anim.setDuration(duration);
anim.start();
} else {
bouncerFrame.setAlpha(255);
}
}
}
public static void hideBouncer(SecurityMessageDisplay securityMessageDisplay,
View ecaView, Drawable bouncerFrame, int duration) {
if (securityMessageDisplay != null) {
securityMessageDisplay.hideBouncer(duration);
}
if (ecaView != null) {
ecaView.setVisibility(View.VISIBLE);
if (duration > 0) {
Animator anim = ObjectAnimator.ofFloat(ecaView, "alpha", 1f);
anim.setDuration(duration);
anim.start();
} else {
ecaView.setAlpha(1f);
}
}
if (bouncerFrame != null) {
if (duration > 0) {
Animator anim = ObjectAnimator.ofInt(bouncerFrame, "alpha", 255, 0);
anim.setDuration(duration);
anim.start();
} else {
bouncerFrame.setAlpha(0);
}
}
}
}
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