package ml.puredark.hviewer.ui.fragments;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.StaggeredGridLayoutManager;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.webkit.JavascriptInterface;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.AbsListView;
import com.umeng.analytics.MobclickAgent;
import com.wuxiaolong.pullloadmorerecyclerview.PullLoadMoreRecyclerView;
import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;
import java.util.ArrayList;
import java.util.List;
import butterknife.BindView;
import butterknife.ButterKnife;
import ml.puredark.hviewer.HViewerApplication;
import ml.puredark.hviewer.R;
import ml.puredark.hviewer.beans.Collection;
import ml.puredark.hviewer.beans.Rule;
import ml.puredark.hviewer.beans.Site;
import ml.puredark.hviewer.beans.Tag;
import ml.puredark.hviewer.core.RuleParser;
import ml.puredark.hviewer.dataholders.SiteTagHolder;
import ml.puredark.hviewer.download.DownloadManager;
import ml.puredark.hviewer.helpers.FileHelper;
import ml.puredark.hviewer.helpers.Logger;
import ml.puredark.hviewer.http.HViewerHttpClient;
import ml.puredark.hviewer.ui.activities.BaseActivity;
import ml.puredark.hviewer.ui.activities.CollectionActivity;
import ml.puredark.hviewer.ui.adapters.CollectionAdapter;
import ml.puredark.hviewer.ui.customs.AutoFitGridLayoutManager;
import ml.puredark.hviewer.ui.customs.WrappedLinearLayoutManager;
import ml.puredark.hviewer.ui.customs.WrappedStaggeredGridLayoutManager;
import ml.puredark.hviewer.ui.dataproviders.ListDataProvider;
import ml.puredark.hviewer.utils.DensityUtil;
import ml.puredark.hviewer.utils.SimpleFileUtil;
public class CollectionFragment extends MyFragment {
@BindView(R.id.rv_collection)
PullLoadMoreRecyclerView rvCollection;
CollectionAdapter adapter;
private WebView mWebView;
private RecyclerView.LayoutManager mLinearLayoutManager, mGridLayoutManager;
private BaseActivity activity;
private Site site;
private SiteTagHolder siteTagHolder;
private String currUrl = null;
private String keyword = null;
private int clickPos = 0;
private boolean onePage = false;
private int startPage;
private int currPage;
private boolean noTouch = false;
// 记录使用js进行scroll的次数，每5秒检测一次，如果没有获得新item，则+1，达到3次判定已获取完毕
private int scrollTimes = 0;
public CollectionFragment() {
}
public static CollectionFragment newInstance(Site site, SiteTagHolder siteTagHolder) {
CollectionFragment fragment = new CollectionFragment();
fragment.site = site;
fragment.siteTagHolder = siteTagHolder;
return fragment;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View rootView = inflater.inflate(R.layout.fragment_collection, container, false);
ButterKnife.bind(this, rootView);
if (getActivity() instanceof BaseActivity)
activity = (BaseActivity) getActivity();
if (site != null && site.hasFlag(Site.FLAG_WATERFALL_AS_LIST))
mLinearLayoutManager = new WrappedStaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
else
mLinearLayoutManager = new WrappedLinearLayoutManager(this.getContext(), LinearLayoutManager.VERTICAL, false);
if (site != null && site.hasFlag(Site.FLAG_WATERFALL_AS_GRID))
mGridLayoutManager = new WrappedStaggeredGridLayoutManager(2, StaggeredGridLayoutManager.VERTICAL);
else
mGridLayoutManager = new AutoFitGridLayoutManager(this.getContext(), DensityUtil.dp2px(this.getContext(), 100));
if (site != null && (site.hasFlag(Site.FLAG_JS_NEEDED_ALL) || site.hasFlag(Site.FLAG_JS_NEEDED_INDEX))) {
mWebView = new WebView(getContext());
WebSettings mWebSettings = mWebView.getSettings();
mWebSettings.setJavaScriptEnabled(true);
mWebSettings.setBlockNetworkImage(true);
mWebSettings.setDomStorageEnabled(false);
mWebSettings.setUseWideViewPort(true);
mWebSettings.setLoadWithOverviewMode(true);
mWebSettings.setUserAgentString(getResources().getString(R.string.UA));
mWebSettings.setCacheMode(WebSettings.LOAD_NO_CACHE);
mWebView.addJavascriptInterface(this, "HtmlParser");
((ViewGroup) rootView.findViewById(R.id.content)).addView(mWebView);
mWebView.getLayoutParams().width = ViewGroup.LayoutParams.MATCH_PARENT;
mWebView.getLayoutParams().height = ViewGroup.LayoutParams.MATCH_PARENT;
mWebView.requestLayout();
mWebView.setVisibility(View.INVISIBLE);
}
List<Collection> collections = new ArrayList<>();
ListDataProvider<Collection> dataProvider = new ListDataProvider<>(collections);
adapter = new CollectionAdapter(getContext(), dataProvider, siteTagHolder);
rvCollection.setAdapter(adapter);
Bundle bundle = getArguments();
boolean isGrid = (bundle == null) ? false : bundle.getBoolean("isGrid", false);
if (isGrid)
setRecyclerViewToGrid();
else
setRecyclerViewToList();
rvCollection.setPullRefreshEnable(true);
rvCollection.getRecyclerView().setClipToPadding(false);
rvCollection.getRecyclerView().setPadding(0, DensityUtil.dp2px(getActivity(), 8), 0, DensityUtil.dp2px(getActivity(), 8));
rvCollection.getRecyclerView().addOnScrollListener(new RecyclerView.OnScrollListener() {
@Override
public void onScrollStateChanged(RecyclerView recyclerView, int newState) {
if (activity == null || !activity.isInOneHandMode()) return;
switch (newState) {
case AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
activity.setDrawerEnabled(false);
break;
case AbsListView.OnScrollListener.SCROLL_STATE_FLING:
case AbsListView.OnScrollListener.SCROLL_STATE_IDLE:
activity.setDrawerEnabled(true);
break;
}
}
});
rvCollection.getRecyclerView().setOnTouchListener((v, event) -> noTouch);
//下拉刷新和加载更多
rvCollection.setOnPullLoadMoreListener(new PullLoadMoreRecyclerView.PullLoadMoreListener() {
@Override
public void onRefresh() {
currPage = startPage;
rvCollection.setRefreshing(true);
activity.setDrawerEnabled(true);
getCollections(keyword, currPage);
}
@Override
public void onLoadMore() {
activity.setDrawerEnabled(true);
getCollections(keyword, currPage + 1);
}
});
if (site != null) {
adapter.setSite(site);
}
adapter.setOnItemClickListener(new CollectionAdapter.OnItemClickListener() {
@Override
public void onItemClick(View v, int position) {
Collection collection = (Collection) adapter.getDataProvider().getItem(position);
HViewerApplication.temp = site;
HViewerApplication.temp2 = collection;
Intent intent = new Intent(CollectionFragment.this.getContext(), CollectionActivity.class);
startActivity(intent);
clickPos = position;
}
@Override
public boolean onItemLongClick(View v, int position) {
return false;
}
});
return rootView;
}
public void toggleWebView() {
if (mWebView != null) {
if (mWebView.getVisibility() == View.VISIBLE) {
mWebView.setVisibility(View.INVISIBLE);
activity.setDrawerEnabled(true);
} else {
mWebView.setVisibility(View.VISIBLE);
activity.setDrawerEnabled(false);
}
}
}
private void getCollections(String keyword, final int page) {
if (onePage && page > startPage && !site.hasFlag(Site.FLAG_JS_SCROLL)) {
// 如果URL中根本没有page参数的位置，则肯定只有1页，无需多加载一次
new Handler().postDelayed(() -> rvCollection.setPullLoadMoreCompleted(), 250);
noTouch = false;
return;
}
this.keyword = keyword;
if (keyword == null)
keyword = "";
if (currUrl == null || site == null)
return;
final String url = site.getListUrl(currUrl, page, keyword, adapter.getDataProvider().getItems());
Logger.d("CollectionFragment", url);
//如果需要执行JS才能获取完整数据，则不得不使用webView来载入页面
if (site.hasFlag(Site.FLAG_JS_NEEDED_ALL) || site.hasFlag(Site.FLAG_JS_NEEDED_INDEX)) {
mWebView.setWebViewClient(new WebViewClient() {
@Override
public void onPageFinished(WebView view, String url) {
//Load HTML
mWebView.loadUrl("javascript:window.HtmlParser.onResultGot(document.documentElement.outerHTML, '" + url + "', " + page + ");");
Logger.d("CollectionFragment", "onPageFinished");
}
});
if (site.hasFlag(Site.FLAG_JS_SCROLL) && page != startPage && mWebView.getUrl().equals(url)) {
Logger.d("CollectionFragment", "FLAG_JS_SCROLL");
mWebView.loadUrl("javascript:document.body.scrollTop = document.body.scrollHeight;");
new Handler().postDelayed(() -> {
scrollTimes++;
mWebView.loadUrl("javascript:window.HtmlParser.onResultGot(document.documentElement.outerHTML, '" + url + "', " + page + ");");
Logger.d("CollectionFragment", "onAjaxFinished");
}, 5000);
} else {
mWebView.loadUrl(url);
new Handler().postDelayed(() -> mWebView.stopLoading(), 30000);
}
Logger.d("CollectionFragment", "WebView");
} else
HViewerHttpClient.get(url, site.disableHProxy, site.getHeaders(), site.hasFlag(Site.FLAG_POST_INDEX) || site.hasFlag(Site.FLAG_POST_ALL),
new HViewerHttpClient.OnResponseListener() {
@Override
public void onSuccess(String contentType, final Object result) {
if (!(result instanceof String))
return;
String html = (String) result;
onResultGot(html, url, page);
}
@Override
public void onFailure(HViewerHttpClient.HttpError error) {
BaseActivity activity = (BaseActivity) getActivity();
if (activity != null)
activity.showSnackBar(error.getErrorString());
rvCollection.setPullLoadMoreCompleted();
noTouch = false;
}
});
}
@JavascriptInterface
public void onResultGot(String html, String url, int page) {
if (page == startPage) {
int preSize = adapter.getItemCount();
if (preSize > 0) {
adapter.getDataProvider().clear();
adapter.notifyItemRangeRemoved(0, preSize);
}
}
noTouch = true;
new Thread(() -> {
if (HViewerApplication.DEBUG)
FileHelper.writeString(html, "html.txt", DownloadManager.getDownloadPath());
final Rule rule;
rule = (keyword != null && site.searchRule != null && site.searchRule.item != null) ? site.searchRule : site.indexRule;
List<Collection> newCollections = RuleParser.getCollections(new ArrayList<>(), html, rule, url);
Logger.d("CollectionFragment", "newCollections.size():" + newCollections.size());
List<Collection> collections = adapter.getDataProvider().getItems();
Logger.d("CollectionFragment", "collections.size():" + collections.size());
if (site.hasFlag(Site.FLAG_EXTRA_INDEX_INFO) && site.extraRule != null) {
List<Collection> extraCollections = RuleParser.getCollections(new ArrayList<>(), html, site.extraRule, url);
for (int i = 0; i < extraCollections.size() && i < newCollections.size(); i++) {
newCollections.get(i).fillEmpty(extraCollections.get(i));
}
}
int oldSize = collections.size();
Logger.d("CollectionFragment", "oldSize():" + oldSize);
for (Collection newCollection : newCollections) {
if (!TextUtils.isEmpty(newCollection.idCode) && !collections.contains(newCollection)) {
newCollection.cid = collections.size() + 1;
collections.add(newCollection);
}
}
Logger.d("CollectionFragment", "newSize():" + collections.size());
if (collections.size() > oldSize || scrollTimes == 3) {
currPage = page;
scrollTimes = 0;
addSearchSuggestions(collections, oldSize);
new Handler(Looper.getMainLooper()).post(() -> {
adapter.notifyItemRangeInserted(oldSize, collections.size() - oldSize);
rvCollection.setPullLoadMoreCompleted();
noTouch = false;
});
} else if (site.hasFlag(Site.FLAG_JS_SCROLL) && mWebView != null) {
new Handler(Looper.getMainLooper()).postDelayed(() -> {
scrollTimes++;
mWebView.loadUrl("javascript:window.HtmlParser.onResultGot(document.documentElement.outerHTML, '" + url + "', " + page + ");");
Logger.d("CollectionFragment", "onAjaxFinished");
}, 5000);
} else {
scrollTimes = 0;
new Handler(Looper.getMainLooper()).post(() -> {
rvCollection.setPullLoadMoreCompleted();
noTouch = false;
});
}
}).start();
}
private void addSearchSuggestions(List<Collection> collections, int start) {
for (int i = start; i < collections.size(); i++) {
Collection collection = collections.get(i);
if (collection.tags != null) {
for (Tag tag : collection.tags) {
HViewerApplication.searchSuggestionHolder.addSearchSuggestion(tag.title);
siteTagHolder.addTag(site.sid, tag);
}
}
}
}
@Override
public void onResume() {
super.onResume();
if (clickPos >= 0 && clickPos < adapter.getItemCount())
adapter.notifyItemChanged(clickPos);
if (site != null)
MobclickAgent.onPageStart(site.title);
}
@Override
public void onPause() {
super.onPause();
if (clickPos >= 0 && clickPos < adapter.getItemCount())
adapter.notifyItemChanged(clickPos);
if (site != null)
MobclickAgent.onPageEnd(site.title);
}
@Override
public void onAttach(Context context) {
super.onAttach(context);
}
@Override
public void onDetach() {
super.onDetach();
}
@Override
public Site getCurrSite() {
return site;
}
@Override
public void onSearch(String keyword) {
if (site == null || site.searchUrl == null || "".equals(site.searchUrl)) {
BaseActivity activity = (BaseActivity) getActivity();
if (activity != null)
activity.showSnackBar("该站点不支持搜索，试试单选TAG");
return;
}
try {
keyword = URLEncoder.encode(keyword, "utf-8");
} catch (UnsupportedEncodingException e) {
e.printStackTrace();
}
Logger.d("CollectionFragment", " keyword:" + keyword);
currUrl = site.searchUrl;
parseUrl(currUrl);
rvCollection.setRefreshing(true);
getCollections(keyword, startPage);
}
private void parseUrl(String url) {
String pageStr = RuleParser.parseUrl(url).get("page");
try {
if (pageStr == null) {
onePage = true;
startPage = 0;
} else {
onePage = false;
String[] pageStrs = pageStr.split(":");
if (pageStrs.length > 1) {
startPage = Integer.parseInt(pageStrs[0]);
} else {
startPage = Integer.parseInt(pageStr);
}
}
currPage = startPage;
} catch (NumberFormatException e) {
startPage = 0;
currPage = startPage;
}
}
@Override
public void onLoadUrl(String url) {
currUrl = url;
if (rvCollection != null) {
parseUrl(currUrl);
rvCollection.setRefreshing(true);
getCollections(null, startPage);
} else {
new Handler().postDelayed(() -> {
if (rvCollection != null) {
parseUrl(currUrl);
rvCollection.setRefreshing(true);
getCollections(null, startPage);
}
}, 300);
}
}
@Override
public void onJumpToPage(int page) {
rvCollection.setRefreshing(true);
adapter.getDataProvider().clear();
getCollections(keyword, page);
}
@Override
public void setRecyclerViewToList() {
adapter.setIsGrid(false);
rvCollection.getRecyclerView().setLayoutManager(mLinearLayoutManager);
}
@Override
public void setRecyclerViewToGrid() {
adapter.setIsGrid(true);
rvCollection.getRecyclerView().setLayoutManager(mGridLayoutManager);
}
}