/*******************************************************************************
 * Copyright 2011, 2012 Chris Banes.
 *
 * 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.handmark.pulltorefresh.library.internal;

import android.annotation.SuppressLint;
import android.content.Context;
import android.content.res.TypedArray;
import android.graphics.Matrix;
import android.graphics.drawable.Drawable;
import android.view.View;
import android.view.ViewGroup;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView.ScaleType;

import com.handmark.pulltorefresh.library.PullToRefreshBase.Mode;
import com.handmark.pulltorefresh.library.PullToRefreshBase.Orientation;
import com.wjwu.wpmain.lib_base.R;

@SuppressLint("ViewConstructor")
public class FlipLoadingLayoutFooter extends LoadingLayout
{

    static final int FLIP_ANIMATION_DURATION = 150;

    private final Animation mRotateAnimation, mResetRotateAnimation;

    public FlipLoadingLayoutFooter(Context context, final Mode mode, final Orientation scrollDirection, TypedArray attrs)
    {
        super(context, mode, scrollDirection, attrs, true);

        final int rotateAngle = mode == Mode.PULL_FROM_START ? -180 : 180;

        mRotateAnimation = new RotateAnimation(0, rotateAngle, Animation.RELATIVE_TO_SELF, 0.5f,
                Animation.RELATIVE_TO_SELF, 0.5f);
        mRotateAnimation.setInterpolator(ANIMATION_INTERPOLATOR);
        mRotateAnimation.setDuration(FLIP_ANIMATION_DURATION);
        mRotateAnimation.setFillAfter(true);

        mResetRotateAnimation = new RotateAnimation(rotateAngle, 0, Animation.RELATIVE_TO_SELF, 0.5f,
                Animation.RELATIVE_TO_SELF, 0.5f);
        mResetRotateAnimation.setInterpolator(ANIMATION_INTERPOLATOR);
        mResetRotateAnimation.setDuration(FLIP_ANIMATION_DURATION);
        mResetRotateAnimation.setFillAfter(true);
    }

    @Override
    protected void onLoadingDrawableSet(Drawable imageDrawable)
    {
        if (null != imageDrawable)
        {
            final int dHeight = imageDrawable.getIntrinsicHeight();
            final int dWidth = imageDrawable.getIntrinsicWidth();

            /**
             * We need to set the width/height of the ImageView so that it is
             * square with each side the size of the largest drawable dimension.
             * This is so that it doesn't clip when rotated.
             */
            ViewGroup.LayoutParams lp = mHeaderImage.getLayoutParams();
            lp.width = lp.height = Math.max(dHeight, dWidth);
            mHeaderImage.requestLayout();

            /**
             * We now rotate the Drawable so that is at the correct rotation,
             * and is centered.
             */
            mHeaderImage.setScaleType(ScaleType.MATRIX);
            Matrix matrix = new Matrix();
            matrix.postTranslate((lp.width - dWidth) / 2f, (lp.height - dHeight) / 2f);
            matrix.postRotate(getDrawableRotationAngle(), lp.width / 2f, lp.height / 2f);
            mHeaderImage.setImageMatrix(matrix);
        }
    }

    @Override
    protected void onPullImpl(float scaleOfLayout)
    {
        // NO-OP
//    	
//    	System.out.print("3");
    }

    @Override
    protected void pullToRefreshImpl()
    {
        // Only start reset Animation, we've previously show the rotate anim
        if (mRotateAnimation == mHeaderImage.getAnimation())
        {
//            mHeaderImage.startAnimation(mResetRotateAnimation);
        }
    }

    @Override
    protected void refreshingImpl()
    {
//        mHeaderImage.clearAnimation();
        mHeaderImage.setVisibility(View.INVISIBLE);
        mHeaderProgress.setVisibility(View.VISIBLE);
    }

    @Override
    protected void releaseToRefreshImpl()
    {
//        mHeaderImage.startAnimation(mRotateAnimation);
    }

    @Override
    protected void resetImpl()
    {
//        mHeaderImage.clearAnimation();
        mHeaderProgress.setVisibility(View.GONE);
        mHeaderImage.setVisibility(View.VISIBLE);
    }

    @Override
    protected int getDefaultDrawableResId()
    {
        return R.drawable.x_ing_mini_icon;
    }

    private float getDrawableRotationAngle()
    {
        float angle = 0f;
        switch (mMode)
        {
            case PULL_FROM_END:
                if (mScrollDirection == Orientation.HORIZONTAL)
                {
                    angle = 90f;
                } else
                {
                    angle = 180f;
                }
                break;

            case PULL_FROM_START:
                if (mScrollDirection == Orientation.HORIZONTAL)
                {
                    angle = 270f;
                }
                break;

            default:
                break;
        }

        return angle;
    }

}