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/* -*- Mode: Java; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil; -*-
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
package org.mozilla.focus.webview;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import androidx.annotation.Nullable;
import android.view.View;
import android.webkit.WebView;
import org.mozilla.focus.iwebview.IWebView;
/* package */ class LinkHandler implements View.OnLongClickListener {
private final WebView webView;
private @Nullable
IWebView.Callback callback = null;
public LinkHandler(final WebView webView) {
this.webView = webView;
}
public void setCallback(final @Nullable IWebView.Callback callback) {
this.callback = callback;
}
@Override
public boolean onLongClick(View v) {
if (callback == null) {
return false;
}
final WebView.HitTestResult hitTestResult = webView.getHitTestResult();
switch (hitTestResult.getType()) {
case WebView.HitTestResult.SRC_ANCHOR_TYPE:
final String linkURL = hitTestResult.getExtra();
callback.onLongPress(new IWebView.HitTarget(true, linkURL, false, null));
return true;
case WebView.HitTestResult.IMAGE_TYPE:
final String imageURL = hitTestResult.getExtra();
callback.onLongPress(new IWebView.HitTarget(false, null, true, imageURL));
return true;
case WebView.HitTestResult.SRC_IMAGE_ANCHOR_TYPE:
// hitTestResult.getExtra() contains only the image URL, and not the link
// URL. Internally, WebView's HitTestData contains both, but they only
// make it available via requestFocusNodeHref...
final Message message = new Message();
message.setTarget(new Handler() {
@Override
public void handleMessage(Message msg) {
final Bundle data = msg.getData();
final String url = data.getString("url");
final String src = data.getString("src");
if (url == null || src == null) {
throw new IllegalStateException("WebView did not supply url or src for image link");
}
if (callback != null) {
callback.onLongPress(new IWebView.HitTarget(true, url, true, src));
}
}
});
webView.requestFocusNodeHref(message);
return true;
default:
return false;
}
}
}