Issue 460, auto timeout of CaptureActivity after inactivity, for testing. Also break...

[zxing.git] / android / src / com / google / zxing / client / android / DecodeFormatManager.java

diff --git a/android/src/com/google/zxing/client/android/DecodeFormatManager.java b/android/src/com/google/zxing/client/android/DecodeFormatManager.java
new file mode 100644 (file)
index 0000000..bd883fc
--- /dev/null
+++ b/android/src/com/google/zxing/client/android/DecodeFormatManager.java
@@ -0,0 +1,102 @@
+/*
+ * Copyright (C) 2010 ZXing authors
+ *
+ * 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 com.google.zxing.client.android;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Vector;
+import java.util.regex.Pattern;
+
+import android.content.Intent;
+import android.net.Uri;
+import com.google.zxing.BarcodeFormat;
+
+final class DecodeFormatManager {
+
+  private static final Pattern COMMA_PATTERN = Pattern.compile(",");
+
+  static final Vector<BarcodeFormat> PRODUCT_FORMATS;
+  static final Vector<BarcodeFormat> ONE_D_FORMATS;
+  static final Vector<BarcodeFormat> QR_CODE_FORMATS;
+  static final Vector<BarcodeFormat> ALL_FORMATS;
+  static {
+    PRODUCT_FORMATS = new Vector<BarcodeFormat>(5);
+    PRODUCT_FORMATS.add(BarcodeFormat.UPC_A);
+    PRODUCT_FORMATS.add(BarcodeFormat.UPC_E);
+    PRODUCT_FORMATS.add(BarcodeFormat.EAN_13);
+    PRODUCT_FORMATS.add(BarcodeFormat.EAN_8);
+    PRODUCT_FORMATS.add(BarcodeFormat.RSS14);
+    ONE_D_FORMATS = new Vector<BarcodeFormat>(PRODUCT_FORMATS.size() + 4);
+    ONE_D_FORMATS.addAll(PRODUCT_FORMATS);
+    ONE_D_FORMATS.add(BarcodeFormat.CODE_39);
+    ONE_D_FORMATS.add(BarcodeFormat.CODE_93);
+    ONE_D_FORMATS.add(BarcodeFormat.CODE_128);
+    ONE_D_FORMATS.add(BarcodeFormat.ITF);
+    QR_CODE_FORMATS = new Vector<BarcodeFormat>(1);
+    QR_CODE_FORMATS.add(BarcodeFormat.QR_CODE);
+    ALL_FORMATS = new Vector<BarcodeFormat>(ONE_D_FORMATS.size() + QR_CODE_FORMATS.size());
+    ALL_FORMATS.addAll(ONE_D_FORMATS);
+    ALL_FORMATS.addAll(QR_CODE_FORMATS);
+  }
+
+  private DecodeFormatManager() {}
+
+  static Vector<BarcodeFormat> parseDecodeFormats(Intent intent) {
+    List<String> scanFormats = null;
+    String scanFormatsString = intent.getStringExtra(Intents.Scan.SCAN_FORMATS);
+    if (scanFormatsString != null) {
+      scanFormats = Arrays.asList(COMMA_PATTERN.split(scanFormatsString));
+    }
+    return parseDecodeFormats(scanFormats, intent.getStringExtra(Intents.Scan.MODE));
+  }
+
+  static Vector<BarcodeFormat> parseDecodeFormats(Uri inputUri) {
+    List<String> formats = inputUri.getQueryParameters(Intents.Scan.SCAN_FORMATS);
+    if (formats != null && formats.size() == 1 && formats.get(0) != null){
+      formats = Arrays.asList(COMMA_PATTERN.split(formats.get(0)));
+    }
+    return parseDecodeFormats(formats, inputUri.getQueryParameter(Intents.Scan.MODE));
+  }
+
+  private static Vector<BarcodeFormat> parseDecodeFormats(Iterable<String> scanFormats,
+                                                          String decodeMode) {
+    if (scanFormats != null) {
+      Vector<BarcodeFormat> formats = new Vector<BarcodeFormat>();
+      try {
+        for (String format : scanFormats) {
+          formats.add(BarcodeFormat.valueOf(format));
+        }
+        return formats;
+      } catch (IllegalArgumentException iae) {
+        // ignore it then
+      }
+    }
+    if (decodeMode != null) {
+      if (Intents.Scan.PRODUCT_MODE.equals(decodeMode)) {
+        return PRODUCT_FORMATS;
+      }
+      if (Intents.Scan.QR_CODE_MODE.equals(decodeMode)) {
+        return QR_CODE_FORMATS;
+      }
+      if (Intents.Scan.ONE_D_MODE.equals(decodeMode)) {
+        return ONE_D_FORMATS;
+      }
+    }
+    return null;
+  }
+
+}