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/*
* Copyright (C) 2014 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.systemui.statusbar;
import android.content.Context;
import android.util.AttributeSet;
import android.view.animation.AnimationUtils;
import android.view.animation.Interpolator;
import com.android.systemui.R;
/**
* The view representing the separation between important and less important notifications
*/
public class SpeedBumpView extends ExpandableView {
private final int mSpeedBumpHeight;
private AlphaOptimizedView mLine;
private boolean mIsVisible = true;
private final Interpolator mFastOutSlowInInterpolator;
public SpeedBumpView(Context context, AttributeSet attrs) {
super(context, attrs);
mSpeedBumpHeight = getResources()
.getDimensionPixelSize(R.dimen.speed_bump_height);
mFastOutSlowInInterpolator = AnimationUtils.loadInterpolator(getContext(),
android.R.interpolator.fast_out_slow_in);
}
@Override
protected void onFinishInflate() {
super.onFinishInflate();
mLine = (AlphaOptimizedView) findViewById(R.id.speedbump_line);
}
@Override
protected int getInitialHeight() {
return mSpeedBumpHeight;
}
@Override
public int getIntrinsicHeight() {
return mSpeedBumpHeight;
}
@Override
protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
super.onLayout(changed, left, top, right, bottom);
mLine.setPivotX(mLine.getWidth() / 2);
mLine.setPivotY(mLine.getHeight() / 2);
setOutlineProvider(null);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
measureChildren(widthMeasureSpec, heightMeasureSpec);
int height = mSpeedBumpHeight;
setMeasuredDimension(MeasureSpec.getSize(widthMeasureSpec), height);
}
@Override
public boolean isTransparent() {
return true;
}
public void performVisibilityAnimation(boolean nowVisible, long delay) {
animateDivider(nowVisible, delay, null /* onFinishedRunnable */);
}
/**
* Animate the divider to a new visibility.
*
* @param nowVisible should it now be visible
* @param delay the delay after the animation should start
* @param onFinishedRunnable A runnable which should be run when the animation is
* finished.
*/
public void animateDivider(boolean nowVisible, long delay, Runnable onFinishedRunnable) {
if (nowVisible != mIsVisible) {
// Animate dividers
float endValue = nowVisible ? 1.0f : 0.0f;
mLine.animate()
.alpha(endValue)
.setStartDelay(delay)
.scaleX(endValue)
.scaleY(endValue)
.setInterpolator(mFastOutSlowInInterpolator)
.withEndAction(onFinishedRunnable);
mIsVisible = nowVisible;
} else {
if (onFinishedRunnable != null) {
onFinishedRunnable.run();
}
}
}
public void setInvisible() {
mLine.setAlpha(0.0f);
mLine.setScaleX(0.0f);
mLine.setScaleY(0.0f);
mIsVisible = false;
}
@Override
public void performRemoveAnimation(long duration, float translationDirection,
Runnable onFinishedRunnable) {
// TODO: Use duration
performVisibilityAnimation(false, 0 /* delay */);
}
@Override
public void performAddAnimation(long delay, long duration) {
// TODO: Use duration
performVisibilityAnimation(true, delay);
}
}
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