| /* |
| * 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.printservice; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.graphics.drawable.Icon; |
| import android.os.RemoteException; |
| import android.print.PrinterId; |
| import android.util.Log; |
| |
| |
| /** |
| * Callback for {@link PrinterDiscoverySession#onRequestCustomPrinterIcon}. |
| */ |
| public final class CustomPrinterIconCallback { |
| /** The printer the call back is for */ |
| private final @NonNull PrinterId mPrinterId; |
| private final @NonNull IPrintServiceClient mObserver; |
| private static final String LOG_TAG = "CustomPrinterIconCB"; |
| |
| /** |
| * Create a callback class to be used once a icon is loaded |
| * |
| * @param printerId The printer the icon should be loaded for |
| * @param observer The observer that needs to be notified about the update. |
| */ |
| CustomPrinterIconCallback(@NonNull PrinterId printerId, @NonNull IPrintServiceClient observer) { |
| mPrinterId = printerId; |
| mObserver = observer; |
| } |
| |
| /** |
| * Provide a new icon for a printer. Can be called more than once to update the icon. |
| * |
| * @param icon The new icon for the printer or null to unset the current icon |
| * @return true iff the icon could be updated |
| */ |
| public boolean onCustomPrinterIconLoaded(@Nullable Icon icon) { |
| try { |
| mObserver.onCustomPrinterIconLoaded(mPrinterId, icon); |
| } catch (RemoteException e) { |
| Log.e(LOG_TAG , "Could not update icon", e); |
| return false; |
| } |
| |
| return true; |
| } |
| } |