package com.realmo.utils;

import android.content.Context;

import android.support.v4.view.ViewCompat;

import android.support.v4.view.ViewPropertyAnimatorListener;

import android.support.v4.view.animation.FastOutSlowInInterpolator;

import android.view.View;

import android.view.ViewGroup;

import android.view.animation.Interpolator;

public class AnimHelper {

private AnimHelper() {

throw new RuntimeException("AnimHelper cannot be initialized!");

}

public static final Interpolator INTERPOLATOR = new FastOutSlowInInterpolator();

public static final int DURATION = 300;

public static void scaleShow(View view, ViewPropertyAnimatorListener listener) {

ViewCompat.animate(view).scaleX(1.0f).scaleY(1.0f).alpha(1.0f).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static void scaleHide(View view, ViewPropertyAnimatorListener listener) {

ViewCompat.animate(view).scaleX(0f).scaleY(0f).alpha(0f).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static void alphaShow(View view, ViewPropertyAnimatorListener listener) {

ViewCompat.animate(view).alpha(1.0f).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static void alphaHide(View view, ViewPropertyAnimatorListener listener) {

ViewCompat.animate(view).alpha(0f).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static void translateUp(View view, ViewPropertyAnimatorListener listener) {

ViewCompat.animate(view).translationY(0).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static void translateDown(View view, ViewPropertyAnimatorListener listener) {

int height = view.getHeight();

ViewGroup.LayoutParams params = view.getLayoutParams();

ViewGroup.MarginLayoutParams layoutParams = params instanceof ViewGroup.MarginLayoutParams ? ((ViewGroup.MarginLayoutParams) params) : null;

if (layoutParams != null) height += layoutParams.bottomMargin;

ViewCompat.animate(view).translationY(height).setDuration(DURATION).setListener(listener).setInterpolator(INTERPOLATOR).withLayer().start();

}

public static float floatEvaluator(float originalSize, float finalSize, float percent) {

return (finalSize - originalSize) * percent + originalSize;

}

public static int argbEvaluator(int startColor, int endColor, float percent) {

int startA = (startColor >> 24) & 0xff;

int startR = (startColor >> 16) & 0xff;

int startG = (startColor >> 8) & 0xff;

int startB = startColor & 0xff;

int endA = (endColor >> 24) & 0xff;

int endR = (endColor >> 16) & 0xff;

int endG = (endColor >> 8) & 0xff;

int endB = endColor & 0xff;

return ((startA + (int) (percent * (endA - startA))) << 24) |

((startR + (int) (percent * (endR - startR))) << 16) |

((startG + (int) (percent * (endG - startG))) << 8) |

((startB + (int) (percent * (endB - startB))));

}

public static float scaleEvaluator(float originalSize, float finalSize, float percent) {

float calcSize = (finalSize - originalSize) * percent + originalSize;

return calcSize / originalSize;

}

/*

// 获得状态栏的高度

public static int getStatusBarHeight(Context context) {

int statusHeight = -1;

try {

Class<?> clazz = Class.forName("com.android.internal.R$dimen");

Object object = clazz.newInstance();

int height = Integer.parseInt(clazz.getField("status_bar_height").get(object).toString());

statusHeight = context.getResources().getDimensionPixelSize(height);

} catch (Exception e) {

e.printStackTrace();

}

return statusHeight;

}

*/

}