package com.example.android.coordinatedeffort.behaviors;

import android.content.Context;
import android.support.design.widget.AppBarLayout;
import android.support.design.widget.CoordinatorLayout;
import android.util.AttributeSet;
import android.view.View;

import com.example.android.coordinatedeffort.widget.FooterBarLayout;

/**
 * Simple layout behavior that will track the state of the AppBarLayout
 * and match its offset for a corresponding footer.
 */
public class FooterBarBehavior extends CoordinatorLayout.Behavior<FooterBarLayout> {

    //Track offset for determining dependency changes
    private int mDependencyOffset;
    //Track initial layout position to properly offset child
    private int mChildInitialOffset;

    //Required to instantiate as a default behavior
    public FooterBarBehavior() {
    }

    //Required to attach behavior via XML
    public FooterBarBehavior(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    //This is called to determine which views this behavior depends on
    @Override
    public boolean layoutDependsOn(CoordinatorLayout parent,
                                   FooterBarLayout child,
                                   View dependency) {
        //We are watching changes in the AppBarLayout
        return dependency instanceof AppBarLayout;
    }

    //This is called for each change to a dependent view
    @Override
    public boolean onDependentViewChanged(CoordinatorLayout parent,
                                          FooterBarLayout child,
                                          View dependency) {
        //Check if the view position has actually changed
        if (mDependencyOffset != dependency.getTop()) {
            mDependencyOffset = dependency.getTop();

            child.offsetTopAndBottom(
                    mChildInitialOffset - child.getTop() - mDependencyOffset);
            //Notify that we changed our attached child
            return true;
        }

        return false;
    }

    //This is called on each layout request.
    @Override
    public boolean onLayoutChild(CoordinatorLayout parent,
                                 FooterBarLayout child,
                                 int layoutDirection) {
        //Lay out the view ourselves to hang to the bottom
        child.layout(parent.getLeft(),
                parent.getBottom() - child.getMeasuredHeight(),
                parent.getRight(),
                parent.getBottom());

        //Gather initial state
        mChildInitialOffset = child.getTop();

        //Tell the framework not to bother
        return true;
    }
}

@@ -224,16 +224,41 @@
 uteSet;%0A
+import android.util.Log;%0A
 import a
@@ -275,16 +275,16 @@
 w.View;%0A
-
 %0Aimport 
@@ -567,197 +567,8 @@
 %3E %7B%0A
-%0A    //Track offset for determining dependency changes%0A    private int mDependencyOffset;%0A    //Track initial layout position to properly offset child%0A    private int mChildInitialOffset;%0A%0A
     
@@ -1450,146 +1450,21 @@
     
-//Check if the view position has actually changed%0A        if (mDependencyOffset != dependency.getTop()) %7B%0A            mDependencyO
+int o
 ffset = 
 depe
@@ -1459,16 +1459,17 @@
 ffset = 
+-
 dependen
@@ -1481,28 +1481,24 @@
 tTop();%0A
-%0A   
         
  child.o
@@ -1493,820 +1493,38 @@
     
- 
 child.
-off
 setT
-opAndBottom(%0A                    mChildInitialOffset - child.getTop() - mDependencyOffset);%0A            //Notify that we changed our attached child%0A            return true;%0A        %7D%0A%0A        return false;%0A    %7D%0A%0A    //This is called on each layout request.%0A    @Override%0A    public boolean onLayoutChild(CoordinatorLayout parent,%0A                                 FooterBarLayout child,%0A                                 int layoutDirection) %7B%0A        //Lay out the view ourselves to hang to the bottom%0A        child.layout(parent.getLeft(),%0A                parent.getBottom() - child.getMeasuredHeight(),%0A                parent.getRight(),%0A                parent.getBottom());%0A%0A        //Gather initial state%0A        mChildInitialOffset = child.getTop();%0A%0A        //Tell the framework not to bother
+ranslationY(offset);
 %0A   
@@ -1547,10 +1547,9 @@
 ;%0A    %7D%0A
+
 %7D
-%0A

Simplify the FooterBarBehavior.