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/*
* Copyright 2018 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 androidx.webkit;
import android.os.Build;
import android.webkit.WebResourceRequest;
import android.webkit.WebResourceResponse;
import android.webkit.WebView;
import android.webkit.WebViewClient;
import androidx.annotation.IntDef;
import androidx.annotation.NonNull;
import androidx.annotation.RequiresApi;
import androidx.annotation.RestrictTo;
import org.chromium.support_lib_boundary.WebViewClientBoundaryInterface;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.reflect.InvocationHandler;
/**
* Compatibility version of {@link android.webkit.WebViewClient}.
*/
// Note: some methods are marked as RequiresApi 21, because only an up-to-date WebView APK would
// ever invoke these methods (and WebView can only be updated on Lollipop and above). The app can
// still construct a WebViewClientCompat on a pre-Lollipop devices, and explicitly invoke these
// methods, so each of these methods must also handle this case.
public class WebViewClientCompat extends WebViewClient implements WebViewClientBoundaryInterface {
/** @hide */
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
@IntDef(value = {
WebViewClient.SAFE_BROWSING_THREAT_UNKNOWN,
WebViewClient.SAFE_BROWSING_THREAT_MALWARE,
WebViewClient.SAFE_BROWSING_THREAT_PHISHING,
WebViewClient.SAFE_BROWSING_THREAT_UNWANTED_SOFTWARE
})
@Retention(RetentionPolicy.SOURCE)
public @interface SafeBrowsingThreat {}
@Override
public void onPageCommitVisible(@NonNull WebView view, @NonNull String url) {
}
/**
* Invoked by chromium for the {@code onReceivedError} event. Applications are not meant to
* override this, and should instead override the non-final {@code onReceivedError} method.
* TODO(ntfschr): link to that method once it's implemented.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
@Override
public final void onReceivedError(@NonNull WebView view, @NonNull WebResourceRequest request,
/* WebResourceError */ @NonNull InvocationHandler error) {
// TODO(ntfschr): implement this (b/73151460).
}
@Override
public void onReceivedHttpError(@NonNull WebView view, @NonNull WebResourceRequest request,
@NonNull WebResourceResponse errorResponse) {
}
/**
* Invoked by chromium for the {@code onSafeBrowsingHit} event. Applications are not meant to
* override this, and should instead override the non-final {@code onSafeBrowsingHit} method.
* TODO(ntfschr): link to that method once it's implemented.
*
* @hide
*/
@RestrictTo(RestrictTo.Scope.LIBRARY_GROUP)
@Override
public final void onSafeBrowsingHit(@NonNull WebView view, @NonNull WebResourceRequest request,
@SafeBrowsingThreat int threatType,
/* SafeBrowsingResponse */ @NonNull InvocationHandler callback) {
// TODO(ntfschr): implement this (b/73151460).
}
// Default behavior in WebViewClient is to invoke the other (deprecated)
// shouldOverrideUrlLoading method.
@Override
@SuppressWarnings("deprecation")
@RequiresApi(21)
public boolean shouldOverrideUrlLoading(@NonNull WebView view,
@NonNull WebResourceRequest request) {
if (Build.VERSION.SDK_INT < 21) return false;
return shouldOverrideUrlLoading(view, request.getUrl().toString());
}
}
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