2 * Copyright 2008 Google Inc.
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4 * Licensed under the Apache License, Version 2.0 (the "License");
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5 * you may not use this file except in compliance with the License.
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6 * You may obtain a copy of the License at
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8 * http://www.apache.org/licenses/LICENSE-2.0
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10 * Unless required by applicable law or agreed to in writing, software
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11 * distributed under the License is distributed on an "AS IS" BASIS,
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12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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13 * See the License for the specific language governing permissions and
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14 * limitations under the License.
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17 package com.google.zxing.client.rim;
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19 import net.rim.device.api.io.file.FileSystemJournal;
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20 import net.rim.device.api.io.file.FileSystemJournalEntry;
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21 import net.rim.device.api.io.file.FileSystemJournalListener;
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24 * @author Sean Owen (srowen@google.com)
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26 final class ImageCapturedJournalListener implements FileSystemJournalListener {
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28 private final ZXingMainScreen screen;
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29 private long lastUSN;
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31 ImageCapturedJournalListener(ZXingMainScreen screen) {
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32 this.screen = screen;
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35 public void fileJournalChanged() {
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36 long nextUSN = FileSystemJournal.getNextUSN();
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37 for (long lookUSN = nextUSN - 1; lookUSN >= lastUSN; --lookUSN) {
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38 FileSystemJournalEntry entry = FileSystemJournal.getEntry(lookUSN);
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39 if (entry == null) {
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42 if (entry.getEvent() == FileSystemJournalEntry.FILE_ADDED) {
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43 screen.handleFile(entry.getPath());
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