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// Copyright 2020 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.weblayer_private;
import android.graphics.Bitmap;
import android.os.RemoteException;
import android.util.AndroidRuntimeException;
import org.chromium.base.annotations.CalledByNative;
import org.chromium.base.annotations.JNINamespace;
import org.chromium.base.annotations.NativeMethods;
import org.chromium.weblayer_private.interfaces.IFaviconFetcher;
import org.chromium.weblayer_private.interfaces.IFaviconFetcherClient;
/**
* Owns the c++ ErrorPageCallbackProxy class, which is responsible for forwarding all
* ErrorPageDelegate calls to this class, which in turn forwards to the
* ErrorPageCallbackClient.
*/
@JNINamespace("weblayer")
public final class FaviconCallbackProxy extends IFaviconFetcher.Stub {
private TabImpl mTab;
private long mNativeFaviconCallbackProxy;
private IFaviconFetcherClient mClient;
FaviconCallbackProxy(TabImpl tab, long nativeTab, IFaviconFetcherClient client) {
assert client != null;
mTab = tab;
mClient = client;
mNativeFaviconCallbackProxy =
FaviconCallbackProxyJni.get().createFaviconCallbackProxy(this, nativeTab);
}
@Override
public void destroy() {
// As Tab implicitly destroys this, and the embedder is allowed to destroy this, allow
// destroy() to be called multiple times.
if (mNativeFaviconCallbackProxy == 0) {
return;
}
mTab.removeFaviconCallbackProxy(this);
try {
mClient.onDestroyed();
} catch (RemoteException e) {
throw new AndroidRuntimeException(e);
}
FaviconCallbackProxyJni.get().deleteFaviconCallbackProxy(mNativeFaviconCallbackProxy);
mNativeFaviconCallbackProxy = 0;
mClient = null;
}
@CalledByNative
private void onFaviconChanged(Bitmap bitmap) throws RemoteException {
mTab.onFaviconChanged(bitmap);
mClient.onFaviconChanged(bitmap);
}
@NativeMethods
interface Natives {
long createFaviconCallbackProxy(FaviconCallbackProxy proxy, long tab);
void deleteFaviconCallbackProxy(long proxy);
}
}
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