package com.webkit.kelidestan;
import java.lang.ref.WeakReference;
import java.lang.reflect.Field;
import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.util.AttributeSet;
import android.webkit.WebView;
import android.webkit.WebViewClient;
public class NonLeakingWebView extends WebView {
private static Field sConfigCallback;
static {
try {
sConfigCallback = Class.forName("android.webkit.BrowserFrame").getDeclaredField("sConfigCallback");
sConfigCallback.setAccessible(true);
} catch (Exception e) {
// ignored
}
}
public NonLeakingWebView(Context context) {
super(context.getApplicationContext());
setWebViewClient( new MyWebViewClient((Activity)context) );
}
public NonLeakingWebView(Context context, AttributeSet attrs) {
super(context.getApplicationContext(), attrs);
setWebViewClient(new MyWebViewClient((Activity)context));
}
public NonLeakingWebView(Context context, AttributeSet attrs, int defStyle) {
super(context.getApplicationContext(), attrs, defStyle);
setWebViewClient(new MyWebViewClient((Activity)context));
}
@Override
public void destroy() {
super.destroy();
try {
if( sConfigCallback!=null )
sConfigCallback.set(null, null);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
protected static class MyWebViewClient extends WebViewClient {
protected WeakReference<Activity> activityRef;
public MyWebViewClient( Activity activity ) {
this.activityRef = new WeakReference<Activity>(activity);
}
@Override
public boolean shouldOverrideUrlLoading(WebView view, String url) {
try {
final Activity activity = activityRef.get();
if( activity!=null )
activity.startActivity(new Intent(Intent.ACTION_VIEW, Uri.parse(url)));
}catch( RuntimeException ignored ) {
// ignore any url parsing exceptions
}
return true;
}
}
}