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/*
* Copyright (C) 2006 The Android Open Source Project
*
* 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 android.text.style;
import android.annotation.NonNull;
import android.content.ActivityNotFoundException;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.Parcel;
import android.provider.Browser;
import android.text.ParcelableSpan;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
/**
* Implementation of the {@link ClickableSpan} that allows setting a url string. When
* selecting and clicking on the text to which the span is attached, the <code>URLSpan</code>
* will try to open the url, by launching an an Activity with an {@link Intent#ACTION_VIEW} intent.
* <p>
* For example, a <code>URLSpan</code> can be used like this:
* <pre>
* SpannableString string = new SpannableString("Text with a url span");
* string.setSpan(new URLSpan("http://www.developer.android.com"), 12, 15, Spanned.SPAN_EXCLUSIVE_EXCLUSIVE);
* </pre>
* <img src="{@docRoot}reference/android/images/text/style/urlspan.png" />
* <figcaption>Text with <code>URLSpan</code>.</figcaption>
*/
public class URLSpan extends ClickableSpan implements ParcelableSpan {
private final String mURL;
/**
* Constructs a {@link URLSpan} from a url string.
*
* @param url the url string
*/
public URLSpan(String url) {
mURL = url;
}
/**
* Constructs a {@link URLSpan} from a parcel.
*/
public URLSpan(@NonNull Parcel src) {
mURL = src.readString();
}
@Override
public int getSpanTypeId() {
return getSpanTypeIdInternal();
}
/** @hide */
@Override
public int getSpanTypeIdInternal() {
return TextUtils.URL_SPAN;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
writeToParcelInternal(dest, flags);
}
/** @hide */
@Override
public void writeToParcelInternal(@NonNull Parcel dest, int flags) {
dest.writeString(mURL);
}
/**
* Get the url string for this span.
*
* @return the url string.
*/
public String getURL() {
return mURL;
}
@Override
public void onClick(View widget) {
Uri uri = Uri.parse(getURL());
Context context = widget.getContext();
Intent intent = new Intent(Intent.ACTION_VIEW, uri);
intent.putExtra(Browser.EXTRA_APPLICATION_ID, context.getPackageName());
try {
context.startActivity(intent);
} catch (ActivityNotFoundException e) {
Log.w("URLSpan", "Actvity was not found for intent, " + intent.toString());
}
}
}
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