WebViewPresenter.java

package com.smartalk.gank.presenter;

import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.webkit.WebChromeClient;
import android.webkit.WebSettings;
import android.webkit.WebView;
import android.webkit.WebViewClient;

import com.smartalk.gank.R;
import com.smartalk.gank.model.entity.Gank;
import com.smartalk.gank.utils.AndroidUtil;
import com.smartalk.gank.utils.ShareUtil;
import com.smartalk.gank.view.IWebView;

/**
 * Created by panl on 16/1/2.
 */
public class WebViewPresenter extends BasePresenter<IWebView> {

  public WebViewPresenter(Context context, IWebView iView) {
    super(context, iView);
  }

  @Override
  public void release() {

  }

  public void setWebViewSettings(WebView webView, String url) {
    WebSettings settings = webView.getSettings();
    settings.setJavaScriptEnabled(true);
    settings.setLoadWithOverviewMode(true);
    settings.setAppCacheEnabled(true);
    settings.setLayoutAlgorithm(WebSettings.LayoutAlgorithm.SINGLE_COLUMN);
    settings.setSupportZoom(true);
    webView.setWebChromeClient(new ChromeClient());
    webView.setWebViewClient(new GankClient());
    webView.loadUrl(url);
  }

  public void refresh(WebView webView) {
    webView.reload();
  }

  public void copyUrl(String text) {
    AndroidUtil.copyToClipBoard(context.getApplicationContext(), text, context.getString(R.string.copy_success));
  }

  public void openInBrowser(String url) {
    Intent intent = new Intent();
    intent.setAction(Intent.ACTION_VIEW);
    Uri uri = Uri.parse(url);
    intent.setData(uri);
    if (intent.resolveActivity(context.getPackageManager()) != null) {
      context.startActivity(intent);
    } else {
      iView.openFailed();
    }
  }

  public void moreOperation(Gank gank) {
    if (gank != null)
      ShareUtil.shareGank(context, gank);
  }


  private class ChromeClient extends WebChromeClient {
    @Override
    public void onProgressChanged(WebView view, int newProgress) {
      super.onProgressChanged(view, newProgress);
      iView.showProgressBar(newProgress);
    }

    @Override
    public void onReceivedTitle(WebView view, String title) {
      super.onReceivedTitle(view, title);
      iView.setWebTitle(title);
    }
  }

  private class GankClient extends WebViewClient {
    @Override
    public boolean shouldOverrideUrlLoading(WebView view, String url) {
      if (url != null) view.loadUrl(url);
      return true;
    }
  }
}