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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.animation.TimeAnimator;
import android.animation.ValueAnimator;
import android.content.Context;
import android.graphics.Canvas;
import android.util.AttributeSet;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.AccelerateDecelerateInterpolator;
import com.android.systemui.R;
/**
* A layout with a certain number of dots which are integrated in the
* {@link com.android.systemui.statusbar.SpeedBumpView}
*/
public class SpeedBumpDotsLayout extends ViewGroup {
private static final float DOT_CLICK_ANIMATION_LENGTH = 300;
private final int mDotSize;
private final SpeedBumpDotsAlgorithm mAlgorithm = new SpeedBumpDotsAlgorithm(getContext());
private final SpeedBumpDotsState mCurrentState = new SpeedBumpDotsState(this);
private boolean mIsCurrentlyVisible = true;
private final ValueAnimator mClickAnimator;
private float mAnimationProgress;
private ValueAnimator.AnimatorUpdateListener mClickUpdateListener
= new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator animation) {
mAnimationProgress = animation.getAnimatedFraction();
updateChildren();
}
};
public SpeedBumpDotsLayout(Context context, AttributeSet attrs) {
super(context, attrs);
mDotSize = getResources().getDimensionPixelSize(R.dimen.speed_bump_dots_height);
createDots(context, attrs);
mClickAnimator = TimeAnimator.ofFloat(0, DOT_CLICK_ANIMATION_LENGTH);
mClickAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
mClickAnimator.addUpdateListener(mClickUpdateListener);
}
private void createDots(Context context, AttributeSet attrs) {
SpeedBumpDotView blueDot = new SpeedBumpDotView(context, attrs);
blueDot.setColor(getResources().getColor(R.color.speed_bump_dot_blue));
addView(blueDot);
SpeedBumpDotView redDot = new SpeedBumpDotView(context, attrs);
redDot.setColor(getResources().getColor(R.color.speed_bump_dot_red));
addView(redDot);
SpeedBumpDotView yellowDot = new SpeedBumpDotView(context, attrs);
yellowDot.setColor(getResources().getColor(R.color.speed_bump_dot_yellow));
addView(yellowDot);
SpeedBumpDotView greenDot = new SpeedBumpDotView(context, attrs);
greenDot.setColor(getResources().getColor(R.color.speed_bump_dot_green));
addView(greenDot);
}
@Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
super.onMeasure(widthMeasureSpec, heightMeasureSpec);
int childWidthSpec = MeasureSpec.makeMeasureSpec(mDotSize,
MeasureSpec.getMode(widthMeasureSpec));
int childHeightSpec = MeasureSpec.makeMeasureSpec(mDotSize,
MeasureSpec.getMode(heightMeasureSpec));
measureChildren(childWidthSpec, childHeightSpec);
}
@Override
protected void onLayout(boolean changed, int l, int t, int r, int b) {
int childCount = getChildCount();
for (int i = 0; i < childCount; i++) {
View child = getChildAt(i);
child.layout(0, 0, mDotSize, mDotSize);
}
if (changed) {
updateChildren();
}
}
private void updateChildren() {
mAlgorithm.getState(mCurrentState);
mCurrentState.apply();
}
public void performVisibilityAnimation(boolean visible) {
if (mClickAnimator.isRunning()) {
mClickAnimator.cancel();
}
mIsCurrentlyVisible = visible;
mAlgorithm.getState(mCurrentState);
mCurrentState.animateToState();
}
public void setInvisible() {
mIsCurrentlyVisible = false;
mAlgorithm.getState(mCurrentState);
mCurrentState.apply();
}
public boolean isCurrentlyVisible() {
return mIsCurrentlyVisible;
}
public void performDotClickAnimation() {
if (mClickAnimator.isRunning()) {
// don't perform an animation if it's running already
return;
}
mClickAnimator.start();
}
public float getAnimationProgress() {
return mAnimationProgress;
}
}
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