| /* |
| * 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); |
| } |
| } |
| } |
| } |