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/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.sufficientlysecure.keychain.ui;
import java.io.IOException;
import java.io.InputStream;
import net.nightwhistler.htmlspanner.HtmlSpanner;
import net.nightwhistler.htmlspanner.JellyBeanSpanFixTextView;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.helper.OtherHelper;
import org.sufficientlysecure.keychain.util.Log;
import org.sufficientlysecure.keychain.R;
import android.app.Activity;
import android.os.Bundle;
import android.text.method.LinkMovementMethod;
import android.util.TypedValue;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ScrollView;
import com.actionbarsherlock.app.SherlockFragment;
public class HelpFragmentHtml extends SherlockFragment {
private Activity mActivity;
private int htmlFile;
public static final String ARG_HTML_FILE = "htmlFile";
/**
* Create a new instance of HelpFragmentHtml, providing "htmlFile" as an argument.
*/
static HelpFragmentHtml newInstance(int htmlFile) {
HelpFragmentHtml f = new HelpFragmentHtml();
// Supply html raw file input as an argument.
Bundle args = new Bundle();
args.putInt(ARG_HTML_FILE, htmlFile);
f.setArguments(args);
return f;
}
/**
* Workaround for Android Bug. See
* http://stackoverflow.com/questions/8748064/starting-activity-from
* -fragment-causes-nullpointerexception
*/
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
setUserVisibleHint(true);
}
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
htmlFile = getArguments().getInt(ARG_HTML_FILE);
// load html from html file from /res/raw
InputStream inputStreamText = getResources().openRawResource(htmlFile);
mActivity = getActivity();
ScrollView scroller = new ScrollView(mActivity);
JellyBeanSpanFixTextView text = new JellyBeanSpanFixTextView(mActivity);
// padding
int padding = (int) TypedValue.applyDimension(TypedValue.COMPLEX_UNIT_DIP, 16, mActivity
.getResources().getDisplayMetrics());
text.setPadding(padding, padding, padding, 0);
scroller.addView(text);
// load html into textview
HtmlSpanner htmlSpanner = new HtmlSpanner();
htmlSpanner.setStripExtraWhiteSpace(true);
try {
text.setText(htmlSpanner.fromHtml(inputStreamText));
} catch (IOException e) {
Log.e(Constants.TAG, "Error while reading raw resources as stream", e);
}
// make links work
text.setMovementMethod(LinkMovementMethod.getInstance());
// no flickering when clicking textview for Android < 4
text.setTextColor(getResources().getColor(android.R.color.black));
return scroller;
}
}
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