remoting/android/java/src/org/chromium/chromoting/WebViewActivity.java

// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

package org.chromium.chromoting;

import android.annotation.TargetApi;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.StringRes;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.view.MenuItem;
import android.webkit.WebResourceRequest;
import android.webkit.WebView;
import android.webkit.WebViewClient;

/**
 * The Activity for showing the Credits screen.
 */
public class WebViewActivity extends AppCompatActivity {
    private final @StringRes int mTitleId;
    private final String mUrl;

    public WebViewActivity(@StringRes int titleId, String url) {
        super();
        mTitleId = titleId;
        mUrl = url;
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.credits);
        WebView webView = (WebView) findViewById(R.id.web_view);

        Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
        setSupportActionBar(toolbar);

        getSupportActionBar().setDisplayHomeAsUpEnabled(true);
        getSupportActionBar().setTitle(getString(mTitleId));

        webView.getSettings().setJavaScriptEnabled(true);
        webView.setWebViewClient(new WebViewClient() {
            private boolean shouldOverrideUrlLoading(final Uri uri) {
                ChromotingUtil.openUrl(WebViewActivity.this, uri);
                return true;
            }

            @TargetApi(Build.VERSION_CODES.N)
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, WebResourceRequest request) {
                return shouldOverrideUrlLoading(request.getUrl());
            }

            @SuppressWarnings("deprecation")
            @Override
            public boolean shouldOverrideUrlLoading(WebView view, String url) {
                return shouldOverrideUrlLoading(Uri.parse(url));
            }
        });
        webView.loadUrl(mUrl);
    }

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();
        if (id == android.R.id.home) {
            finish();
            return true;
        }
        return super.onOptionsItemSelected(item);
    }
}