package com.hhl.devheadline.ui.activity;
import android.content.Context;
import android.content.Intent;
import android.net.http.SslError;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.widget.Toolbar;
import android.text.SpannableString;
import android.text.Spanned;
import android.text.style.ForegroundColorSpan;
import android.view.Menu;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.AnimationUtils;
import android.webkit.JsPromptResult;
import android.webkit.JsResult;
import android.webkit.SslErrorHandler;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import android.widget.ProgressBar;
import android.widget.RelativeLayout;
import android.widget.TextView;
import com.hhl.devheadline.R;
import com.hhl.devheadline.presenter.NoteDetailsPresenter;
import com.hhl.devheadline.ui.iview.INoteDetailsView;
import com.hhl.devheadline.utils.AppTools;
import com.hhl.devheadline.utils.ToastUtils;
import butterknife.Bind;
import rx.Observable;
import rx.android.schedulers.AndroidSchedulers;
import rx.functions.Action1;
import rx.functions.Func1;
import rx.schedulers.Schedulers;
/**
* Created by Administrator on 2016/3/29.
*/
public class NoteDetailsActivity extends BaseActivity<NoteDetailsPresenter> implements INoteDetailsView {
private static final String ORIGINAL_URL = "original_url";
@Bind(R.id.details_bar)
ProgressBar progressBar;
@Bind(R.id.details_webview)
WebView webView;
@Bind(R.id.toolbar)
Toolbar toolbar;
@Bind(R.id.notedetails_llbottom)
RelativeLayout relativeLayout;
@Bind(R.id.text_name)
TextView textView;
String loadingUrl;
String title;
Animation showAnim, dismissAnim;
float downY = 0, offsetY = 0;
/**
* 启动{@link NoteDetailsActivity}
*
* @param context
*/
public static void launch(Context context, String url) {
Intent intent = new Intent(context, NoteDetailsActivity.class);
intent.putExtra(ORIGINAL_URL, url);
context.startActivity(intent);
}
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
getSupportActionBar().setDefaultDisplayHomeAsUpEnabled(true);
getSupportActionBar().setDisplayHomeAsUpEnabled(true);
// setSupportActionBar(toolbar);
initVIew();
}
private void initVIew() {
Observable.just(getResources().getString(R.string.notedetail_text_name)).map(new Func1<String, SpannableString>() {
@Override
public SpannableString call(String s) {
SpannableString spanabelInfo = new SpannableString(s);
int lenth = s.indexOf(getResources().getString(R.string.notedetail_hal));
spanabelInfo.setSpan(new ForegroundColorSpan(getResources().getColor(R.color.colorPrimary)),
lenth, lenth + getResources().getString(R.string.notedetail_halgyf).length() + 1,
Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
return spanabelInfo;
}
}).subscribeOn(Schedulers.io()).observeOn(AndroidSchedulers.mainThread()).
subscribe(new Action1<SpannableString>() {
@Override
public void call(SpannableString spanableInfo) {
textView.setText(spanableInfo);
}
});
showAnim = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.bottom_show);
dismissAnim = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.bottom_dismiss);
WebSettings webSettings = webView.getSettings();
//先加载文字后加载图片
if (Build.VERSION.SDK_INT >= 19) {
webSettings.setLoadsImagesAutomatically(true);
} else {
webSettings.setLoadsImagesAutomatically(false);
}
webSettings.setJavaScriptEnabled(true);
webSettings.setDefaultTextEncodingName("UTF-8");
webSettings.setSupportZoom(false);
webSettings.setUseWideViewPort(false);
// webSettings.setBlockNetworkImage(true);
// if (Build.VERSION.SDK_INT < 19) {
// webSettings.setLayoutAlgorithm(LayoutAlgorithm.SINGLE_COLUMN);
// }
webSettings.setLoadWithOverviewMode(true);
webView.setWebViewClient(new MyWebViewClient());
webView.setWebChromeClient(new MyWebChromeClient());
loadingUrl = getIntent().getStringExtra(ORIGINAL_URL);
webView.loadUrl(loadingUrl);
webView.setOnTouchListener(new View.OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
downY = (int) event.getY();
break;
case MotionEvent.ACTION_MOVE:
int moveY = (int) event.getY();
offsetY = moveY - downY;
downY = moveY;
break;
case MotionEvent.ACTION_UP:
if (offsetY < 0) {
onScrollToBottom();
} else {
onScrollToTop();
}
break;
}
return false;
}
});
}
@Override
protected int getContentView() {
return R.layout.activity_notedetails;
}
@Override
protected NoteDetailsPresenter getPresenter() {
return new NoteDetailsPresenter(this);
}
class MyWebChromeClient extends WebChromeClient {
@Override
public void onProgressChanged(WebView view, int newProgress) {
if (newProgress == 100) {
progressBar.setVisibility(View.GONE);
} else {
if (progressBar.getVisibility() == View.GONE) {
progressBar.setVisibility(View.VISIBLE);
}
if (newProgress > progressBar.getProgress()) {
progressBar.setProgress(newProgress);
}
}
// TODO Auto-generated method stub
super.onProgressChanged(view, newProgress);
}
@Override
public boolean onJsAlert(WebView view, String url, String message, JsResult result) {
result.confirm();
ToastUtils.toast(message);
return true;
}
@Override
public boolean onJsConfirm(WebView view, String url, String message, JsResult result) {
result.confirm();
return super.onJsConfirm(view, url, message, result);
}
@Override
public boolean onJsPrompt(WebView view, String url, String message, String defaultValue, JsPromptResult result) {
result.confirm();
return super.onJsPrompt(view, url, message, message, result);
}
@Override
public void onReceivedTitle(WebView view, String title) {
super.onReceivedTitle(view, title);
toolbar.setTitle(AppTools.clipLongText(title));
// 保存标题
NoteDetailsActivity.this.title = title;
}
}
public class MyWebViewClient extends WebViewClient {
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
return super.shouldOverrideUrlLoading(view, url);
}
@Override
public void onReceivedError(WebView view, int errorCode, String description, String failingUrl) {
super.onReceivedError(view, errorCode, description, failingUrl);
}
@Override
public void onReceivedSslError(WebView view, SslErrorHandler handler, SslError error) {
// TODO Auto-generated method stub
handler.proceed();
super.onReceivedSslError(view, handler, error);
}
@Override
public void onPageFinished(WebView view, String url) {
//接触数据绑定
view.getSettings().setBlockNetworkImage(false);
//先加载文字在加载图片
if (!webView.getSettings().getLoadsImagesAutomatically()) {
webView.getSettings().setLoadsImagesAutomatically(true);
}
super.onPageFinished(view, url);
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.activity_notedetail_toolsbar, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
return super.onOptionsItemSelected(item);
}
public void onScrollToTop() {
if (!relativeLayout.isShown()) {
relativeLayout.clearAnimation();
relativeLayout.startAnimation(showAnim);
relativeLayout.setVisibility(View.VISIBLE);
}
}
public void onScrollToBottom() {
if (relativeLayout.isShown()) {
relativeLayout.clearAnimation();
relativeLayout.startAnimation(dismissAnim);
relativeLayout.setVisibility(View.GONE);
}
}
}
