| /* |
| * Copyright (C) 2013 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.print; |
| |
| |
| /** |
| * This class represents a print job from the perspective of |
| * an application. |
| */ |
| public final class PrintJob { |
| |
| private final int mId; |
| |
| private final PrintManager mPrintManager; |
| |
| private PrintJobInfo mCachedInfo; |
| |
| PrintJob(PrintJobInfo info, PrintManager printManager) { |
| mCachedInfo = info; |
| mPrintManager = printManager; |
| mId = info.getId(); |
| } |
| |
| /** |
| * Gets the unique print job id. |
| * |
| * @return The id. |
| */ |
| public int getId() { |
| return mId; |
| } |
| |
| /** |
| * Gets the {@link PrintJobInfo} that describes this job. |
| * <p> |
| * <strong>Node:</strong>The returned info object is a snapshot of the |
| * current print job state. Every call to this method returns a fresh |
| * info object that reflects the current print job state. |
| * </p> |
| * |
| * @return The print job info. |
| */ |
| public PrintJobInfo getInfo() { |
| if (isInImmutableState()) { |
| return mCachedInfo; |
| } |
| PrintJobInfo info = mPrintManager.getPrintJobInfo(mId); |
| if (info != null) { |
| mCachedInfo = info; |
| } |
| return mCachedInfo; |
| } |
| |
| /** |
| * Cancels this print job. |
| */ |
| public void cancel() { |
| if (!isInImmutableState()) { |
| mPrintManager.cancelPrintJob(mId); |
| } |
| } |
| |
| private boolean isInImmutableState() { |
| final int state = mCachedInfo.getState(); |
| return state == PrintJobInfo.STATE_COMPLETED |
| || state == PrintJobInfo.STATE_CANCELED; |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) { |
| return true; |
| } |
| if (obj == null) { |
| return false; |
| } |
| if (getClass() != obj.getClass()) { |
| return false; |
| } |
| PrintJob other = (PrintJob) obj; |
| return mId == other.mId; |
| } |
| |
| @Override |
| public int hashCode() { |
| return mId; |
| } |
| } |