/**
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* Copyright 2015 bingoogolapple
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.hdl.photovoltaic.widget.refreshlayout;
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import android.content.Context;
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import android.graphics.Color;
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import android.graphics.drawable.AnimationDrawable;
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import android.view.View;
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import android.widget.ImageView;
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import android.widget.TextView;
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import androidx.annotation.ColorRes;
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import androidx.annotation.DrawableRes;
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import com.hdl.photovoltaic.R;
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/**
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* 作者:王浩 邮件:bingoogolapple@gmail.com
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* 创建时间:15/5/21 12:56
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* 描述:继承该抽象类实现响应的抽象方法，做出各种下拉刷新效果。参考BGANormalRefreshViewHolder、BGAStickinessRefreshViewHolder、BGAMoocStyleRefreshViewHolder、BGAMeiTuanRefreshViewHolder
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*/
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public abstract class BGARefreshViewHolder {
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/**
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* 手指移动距离与下拉刷新控件paddingTop移动距离的比值
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*/
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private static final float PULL_DISTANCE_SCALE = 1.8f;
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/**
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* 手指移动距离与下拉刷新控件paddingTop移动距离的比值，默认1.8f
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*/
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private float mPullDistanceScale = PULL_DISTANCE_SCALE;
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/**
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* 下拉刷新控件paddingTop的弹簧距离与下拉刷新控件高度的比值
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*/
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private static final float SPRING_DISTANCE_SCALE = 0.4f;
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/**
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* 下拉刷新控件paddingTop的弹簧距离与下拉刷新控件高度的比值，默认0.4f
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*/
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private float mSpringDistanceScale = SPRING_DISTANCE_SCALE;
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protected Context mContext;
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/**
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* 下拉刷新上拉加载更多控件
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*/
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protected BGARefreshLayout mRefreshLayout;
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/**
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* 下拉刷新控件
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*/
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protected View mRefreshHeaderView;
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/**
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* 上拉加载更多控件
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*/
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protected View mLoadMoreFooterView;
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/**
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* 底部加载更多提示控件
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*/
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protected TextView mFooterStatusTv;
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/**
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* 底部加载更多菊花控件
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*/
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protected ImageView mFooterChrysanthemumIv;
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/**
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* 底部加载更多菊花drawable
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*/
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protected AnimationDrawable mFooterChrysanthemumAd;
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/**
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* 正在加载更多时的文本
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*/
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protected String mLodingMoreText = "加载中...";
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/**
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* 是否开启加载更多功能
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*/
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private boolean mIsLoadingMoreEnabled = true;
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/**
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* 整个加载更多控件的背景颜色资源id
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*/
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private int mLoadMoreBackgroundColorRes = -1;
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/**
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* 整个加载更多控件的背景drawable资源id
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*/
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private int mLoadMoreBackgroundDrawableRes = -1;
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/**
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* 下拉刷新控件的背景颜色资源id
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*/
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protected int mRefreshViewBackgroundColorRes = -1;
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/**
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* 下拉刷新控件的背景drawable资源id
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*/
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protected int mRefreshViewBackgroundDrawableRes = -1;
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/**
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* 头部控件移动动画时常
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*/
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private int mTopAnimDuration = 500;
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/**
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* @param context
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* @param isLoadingMoreEnabled 上拉加载更多是否可用
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*/
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public BGARefreshViewHolder(Context context, boolean isLoadingMoreEnabled) {
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mContext = context;
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mIsLoadingMoreEnabled = isLoadingMoreEnabled;
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}
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/**
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* 设置正在加载更多时的文本
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*
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* @param loadingMoreText
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*/
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public void setLoadingMoreText(String loadingMoreText) {
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mLodingMoreText = loadingMoreText;
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}
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/**
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* 设置整个加载更多控件的背景颜色资源id
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*
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* @param loadMoreBackgroundColorRes
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*/
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public void setLoadMoreBackgroundColorRes(@ColorRes int loadMoreBackgroundColorRes) {
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mLoadMoreBackgroundColorRes = loadMoreBackgroundColorRes;
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}
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/**
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* 设置整个加载更多控件的背景drawable资源id
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*
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* @param loadMoreBackgroundDrawableRes
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*/
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public void setLoadMoreBackgroundDrawableRes(@DrawableRes int loadMoreBackgroundDrawableRes) {
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mLoadMoreBackgroundDrawableRes = loadMoreBackgroundDrawableRes;
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}
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/**
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* 设置下拉刷新控件的背景颜色资源id
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*
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* @param refreshViewBackgroundColorRes
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*/
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public void setRefreshViewBackgroundColorRes(@ColorRes int refreshViewBackgroundColorRes) {
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mRefreshViewBackgroundColorRes = refreshViewBackgroundColorRes;
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}
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/**
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* 设置下拉刷新控件的背景drawable资源id
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*
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* @param refreshViewBackgroundDrawableRes
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*/
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public void setRefreshViewBackgroundDrawableRes(@DrawableRes int refreshViewBackgroundDrawableRes) {
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mRefreshViewBackgroundDrawableRes = refreshViewBackgroundDrawableRes;
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}
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/**
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* 获取顶部未满足下拉刷新条件时回弹到初始状态、满足刷新条件时回弹到正在刷新状态、刷新完毕后回弹到初始状态的动画时间，默认为500毫秒
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*
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* @return
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*/
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public int getTopAnimDuration() {
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return mTopAnimDuration;
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}
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/**
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* 设置顶部未满足下拉刷新条件时回弹到初始状态、满足刷新条件时回弹到正在刷新状态、刷新完毕后回弹到初始状态的动画时间，默认为300毫秒
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*
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* @param topAnimDuration
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*/
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public void setTopAnimDuration(int topAnimDuration) {
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mTopAnimDuration = topAnimDuration;
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}
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/**
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* 获取上拉加载更多控件，如果不喜欢这种上拉刷新风格可重写该方法实现自定义LoadMoreFooterView
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*
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* @return
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*/
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public View getLoadMoreFooterView() {
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if (!mIsLoadingMoreEnabled) {
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return null;
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}
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if (mLoadMoreFooterView == null) {
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mLoadMoreFooterView = View.inflate(mContext, R.layout.loading_alert, null);
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mLoadMoreFooterView.setBackgroundColor(Color.TRANSPARENT);
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if (mLoadMoreBackgroundColorRes != -1) {
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mLoadMoreFooterView.setBackgroundResource(mLoadMoreBackgroundColorRes);
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}
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if (mLoadMoreBackgroundDrawableRes != -1) {
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mLoadMoreFooterView.setBackgroundResource(mLoadMoreBackgroundDrawableRes);
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}
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mFooterStatusTv = (TextView) mLoadMoreFooterView.findViewById(R.id.load_content_tv);
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mFooterChrysanthemumIv = (ImageView) mLoadMoreFooterView.findViewById(R.id.load_pb);
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mFooterChrysanthemumIv.setBackground(mContext.getDrawable(R.drawable.progress_small));
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mFooterChrysanthemumAd = (AnimationDrawable) mFooterChrysanthemumIv.getDrawable();
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mFooterStatusTv.setText(mLodingMoreText);
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}
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return mLoadMoreFooterView;
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}
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/**
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* 获取头部下拉刷新控件
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*
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* @return
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*/
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public abstract View getRefreshHeaderView();
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/**
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* 下拉刷新控件可见时，处理上下拉进度
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*
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* @param scale 下拉过程0 到 1，回弹过程1 到 0，没有加上弹簧距离移动时的比例
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* @param moveYDistance 整个下拉刷新控件paddingTop变化的值，如果有弹簧距离，会大于整个下拉刷新控件的高度
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*/
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public abstract void handleScale(float scale, int moveYDistance);
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/**
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* 进入到未处理下拉刷新状态
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*/
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public abstract void changeToIdle();
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/**
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* 进入下拉状态
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*/
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public abstract void changeToPullDown();
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/**
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* 进入释放刷新状态
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*/
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public abstract void changeToReleaseRefresh();
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/**
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* 进入正在刷新状态
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*/
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public abstract void changeToRefreshing();
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/**
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* 结束下拉刷新
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*/
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public abstract void onEndRefreshing();
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/**
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* 手指移动距离与下拉刷新控件paddingTop移动距离的比值
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*
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* @return
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*/
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public float getPaddingTopScale() {
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return mPullDistanceScale;
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}
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/**
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* 设置手指移动距离与下拉刷新控件paddingTop移动距离的比值
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*
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* @param pullDistanceScale
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*/
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public void setPullDistanceScale(float pullDistanceScale) {
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mPullDistanceScale = pullDistanceScale;
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}
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/**
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* 下拉刷新控件paddingTop的弹簧距离与下拉刷新控件高度的比值
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*
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* @return
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*/
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public float getSpringDistanceScale() {
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return mSpringDistanceScale;
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}
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/**
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* 设置下拉刷新控件paddingTop的弹簧距离与下拉刷新控件高度的比值，不能小于0，如果刷新控件比较高，建议将该值设置小一些
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*
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* @param springDistanceScale
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*/
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public void setSpringDistanceScale(float springDistanceScale) {
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if (springDistanceScale < 0) {
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throw new RuntimeException("下拉刷新控件paddingTop的弹簧距离与下拉刷新控件高度的比值springDistanceScale不能小于0");
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}
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mSpringDistanceScale = springDistanceScale;
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}
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/**
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* 是处于能够进入刷新状态
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*
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* @return
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*/
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public boolean canChangeToRefreshingStatus() {
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return false;
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}
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/**
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* 进入加载更多状态
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*/
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public void changeToLoadingMore() {
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if (mIsLoadingMoreEnabled && mFooterChrysanthemumAd != null) {
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mFooterChrysanthemumAd.start();
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}
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}
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/**
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* 结束上拉加载更多
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*/
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public void onEndLoadingMore() {
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if (mIsLoadingMoreEnabled && mFooterChrysanthemumAd != null) {
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mFooterChrysanthemumAd.stop();
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}
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}
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/**
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* 获取下拉刷新控件的高度，如果初始化时的高度和最后展开的最大高度不一致，需重写该方法返回最大高度
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*
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* @return
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*/
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public int getRefreshHeaderViewHeight() {
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if (mRefreshHeaderView != null) {
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// 测量下拉刷新控件的高度
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mRefreshHeaderView.measure(0, 0);
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return mRefreshHeaderView.getMeasuredHeight();
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}
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return 0;
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}
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/**
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* 改变整个下拉刷新头部控件移动一定的距离（带动画），自定义刷新控件进入刷新状态前后的高度有变化时可以使用该方法（参考BGAStickinessRefreshView）
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*
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* @param distance
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*/
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public void startChangeWholeHeaderViewPaddingTop(int distance) {
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mRefreshLayout.startChangeWholeHeaderViewPaddingTop(distance);
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}
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/**
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* 设置下拉刷新上拉加载更多控件，该方法是设置BGARefreshViewHolder给BGARefreshLayout时由BGARefreshLayout调用
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*
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* @param refreshLayout
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*/
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public void setRefreshLayout(BGARefreshLayout refreshLayout) {
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mRefreshLayout = refreshLayout;
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}
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}
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