64 lines
2.1 KiB
Java
64 lines
2.1 KiB
Java
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.printservice;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.graphics.drawable.Icon;
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import android.os.RemoteException;
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import android.print.PrinterId;
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import android.util.Log;
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/**
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* Callback for {@link PrinterDiscoverySession#onRequestCustomPrinterIcon}.
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*/
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public final class CustomPrinterIconCallback {
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/** The printer the call back is for */
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private final @NonNull PrinterId mPrinterId;
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private final @NonNull IPrintServiceClient mObserver;
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private static final String LOG_TAG = "CustomPrinterIconCB";
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/**
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* Create a callback class to be used once a icon is loaded
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*
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* @param printerId The printer the icon should be loaded for
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* @param observer The observer that needs to be notified about the update.
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*/
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CustomPrinterIconCallback(@NonNull PrinterId printerId, @NonNull IPrintServiceClient observer) {
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mPrinterId = printerId;
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mObserver = observer;
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}
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/**
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* Provide a new icon for a printer. Can be called more than once to update the icon.
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*
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* @param icon The new icon for the printer or null to unset the current icon
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* @return true iff the icon could be updated
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*/
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public boolean onCustomPrinterIconLoaded(@Nullable Icon icon) {
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try {
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mObserver.onCustomPrinterIconLoaded(mPrinterId, icon);
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} catch (RemoteException e) {
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Log.e(LOG_TAG , "Could not update icon", e);
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return false;
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}
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return true;
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}
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}
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