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/*
* Copyright (C) 2015 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.support.customtabs;
import android.content.Intent;
import android.os.Bundle;
import android.os.IBinder;
import android.os.RemoteException;
import android.support.v4.app.BundleCompat;
import android.util.Log;
/**
* Wrapper class that can be used as a unique identifier for a session. Also contains an accessor
* for the {@link CustomTabsCallback} for the session if there was any.
*/
public class CustomTabsSessionToken {
private static final String TAG = "CustomTabsSessionToken";
private final ICustomTabsCallback mCallbackBinder;
private final CustomTabsCallback mCallback;
/**
* Obtain a {@link CustomTabsSessionToken} from an intent. See {@link CustomTabsIntent.Builder}
* for ways to generate an intent for custom tabs.
* @param intent The intent to generate the token from. This has to include an extra for
* {@link CustomTabsIntent#EXTRA_SESSION}.
* @return The token that was generated.
*/
public static CustomTabsSessionToken getSessionTokenFromIntent(Intent intent) {
Bundle b = intent.getExtras();
IBinder binder = BundleCompat.getBinder(b, CustomTabsIntent.EXTRA_SESSION);
if (binder == null) return null;
return new CustomTabsSessionToken(ICustomTabsCallback.Stub.asInterface(binder));
}
CustomTabsSessionToken(ICustomTabsCallback callbackBinder) {
mCallbackBinder = callbackBinder;
mCallback = new CustomTabsCallback() {
@Override
public void onNavigationEvent(int navigationEvent, Bundle extras) {
try {
mCallbackBinder.onNavigationEvent(navigationEvent, extras);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException during ICustomTabsCallback transaction");
}
}
@Override
public void extraCallback(String callbackName, Bundle args) {
try {
mCallbackBinder.extraCallback(callbackName, args);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException during ICustomTabsCallback transaction");
}
}
@Override
public void onMessageChannelReady(Bundle extras) {
try {
mCallbackBinder.onMessageChannelReady(extras);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException during ICustomTabsCallback transaction");
}
}
@Override
public void onPostMessage(String message, Bundle extras) {
try {
mCallbackBinder.onPostMessage(message, extras);
} catch (RemoteException e) {
Log.e(TAG, "RemoteException during ICustomTabsCallback transaction");
}
}
};
}
IBinder getCallbackBinder() {
return mCallbackBinder.asBinder();
}
@Override
public int hashCode() {
return getCallbackBinder().hashCode();
}
@Override
public boolean equals(Object o) {
if (!(o instanceof CustomTabsSessionToken)) return false;
CustomTabsSessionToken token = (CustomTabsSessionToken) o;
return token.getCallbackBinder().equals(mCallbackBinder.asBinder());
}
/**
* @return {@link CustomTabsCallback} corresponding to this session if there was any non-null
* callbacks passed by the client.
*/
public CustomTabsCallback getCallback() {
return mCallback;
}
/**
* @return Whether this token is associated with the given session.
*/
public boolean isAssociatedWith(CustomTabsSession session) {
return session.getBinder().equals(mCallbackBinder);
}
}
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