Initial commit. Zeppelin rules.

2026-08-22 11:25:55 +10:00 · 2012-10-03 18:17:03 -07:00
parent 6de30878ff
commit 9219728904
7 changed files with 18259 additions and 0 deletions
@@ -0,0 +1,152 @@
+/**
+ * PhoneGap is available under *either* the terms of the modified BSD license *or* the
+ * MIT License (2008). See http://opensource.org/licenses/alphabetical for full text.
+ *
+ * Copyright (c) Matt Kane 2010
+ * Copyright (c) 2011, IBM Corporation
+ */
+
+package com.phonegap.plugins.barcodescanner;
+
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import android.app.Activity;
+import android.content.Intent;
+import android.util.Log;
+
+import org.apache.cordova.api.Plugin;
+import org.apache.cordova.api.PluginResult;
+
+/**
+ * This calls out to the ZXing barcode reader and returns the result.
+ */
+public class BarcodeScanner extends Plugin {
+    private static final String SCAN = "scan";
+    private static final String ENCODE = "encode";
+    private static final String CANCELLED = "cancelled";
+    private static final String FORMAT = "format";
+    private static final String TEXT = "text";
+    private static final String DATA = "data";
+    private static final String TYPE = "type";
+    private static final String SCAN_INTENT = "com.phonegap.plugins.barcodescanner.SCAN";
+    private static final String ENCODE_DATA = "ENCODE_DATA";
+    private static final String ENCODE_TYPE = "ENCODE_TYPE";
+    private static final String ENCODE_INTENT = "com.phonegap.plugins.barcodescanner.ENCODE";
+    private static final String TEXT_TYPE = "TEXT_TYPE";
+    private static final String EMAIL_TYPE = "EMAIL_TYPE";
+    private static final String PHONE_TYPE = "PHONE_TYPE";
+    private static final String SMS_TYPE = "SMS_TYPE";
+
+    public static final int REQUEST_CODE = 0x0ba7c0de;
+
+    public String callback;
+
+    /**
+     * Constructor.
+     */
+    public BarcodeScanner() {
+    }
+
+    /**
+     * Executes the request and returns PluginResult.
+     *
+     * @param action        The action to execute.
+     * @param args          JSONArray of arguments for the plugin.
+     * @param callbackId    The callback id used when calling back into JavaScript.
+     * @return              A PluginResult object with a status and message.
+     */
+    public PluginResult execute(String action, JSONArray args, String callbackId) {
+        this.callback = callbackId;
+
+        if (action.equals(ENCODE)) {
+            JSONObject obj = args.optJSONObject(0);
+            if (obj != null) {
+                String type = obj.optString(TYPE);
+                String data = obj.optString(DATA);
+
+                // If the type is null then force the type to text
+                if (type == null) {
+                    type = TEXT_TYPE;
+                }
+
+                if (data == null) {
+                    return new PluginResult(PluginResult.Status.ERROR, "User did not specify data to encode");
+                }
+
+                encode(type, data);
+            } else {
+                return new PluginResult(PluginResult.Status.ERROR, "User did not specify data to encode");
+            }
+        }
+        else if (action.equals(SCAN)) {
+            scan();
+        } else {
+            return new PluginResult(PluginResult.Status.INVALID_ACTION);
+        }
+        PluginResult r = new PluginResult(PluginResult.Status.NO_RESULT);
+        r.setKeepCallback(true);
+        return r;
+    }
+
+
+    /**
+     * Starts an intent to scan and decode a barcode.
+     */
+    public void scan() {
+        Intent intentScan = new Intent(SCAN_INTENT);
+        intentScan.addCategory(Intent.CATEGORY_DEFAULT);
+
+        this.cordova.startActivityForResult((Plugin) this, intentScan, REQUEST_CODE);
+    }
+
+    /**
+     * Called when the barcode scanner intent completes
+     *
+     * @param requestCode       The request code originally supplied to startActivityForResult(),
+     *                          allowing you to identify who this result came from.
+     * @param resultCode        The integer result code returned by the child activity through its setResult().
+     * @param intent            An Intent, which can return result data to the caller (various data can be attached to Intent "extras").
+     */
+    public void onActivityResult(int requestCode, int resultCode, Intent intent) {
+        if (requestCode == REQUEST_CODE) {
+            if (resultCode == Activity.RESULT_OK) {
+                JSONObject obj = new JSONObject();
+                try {
+                    obj.put(TEXT, intent.getStringExtra("SCAN_RESULT"));
+                    obj.put(FORMAT, intent.getStringExtra("SCAN_RESULT_FORMAT"));
+                    obj.put(CANCELLED, false);
+                } catch(JSONException e) {
+                    //Log.d(LOG_TAG, "This should never happen");
+                }
+                this.success(new PluginResult(PluginResult.Status.OK, obj), this.callback);
+            } if (resultCode == Activity.RESULT_CANCELED) {
+                JSONObject obj = new JSONObject();
+                try {
+                    obj.put(TEXT, "");
+                    obj.put(FORMAT, "");
+                    obj.put(CANCELLED, true);
+                } catch(JSONException e) {
+                    //Log.d(LOG_TAG, "This should never happen");
+                }
+                this.success(new PluginResult(PluginResult.Status.OK, obj), this.callback);
+            } else {
+                this.error(new PluginResult(PluginResult.Status.ERROR), this.callback);
+            }
+        }
+    }
+
+    /**
+     * Initiates a barcode encode.
+     * @param data  The data to encode in the bar code
+     * @param data2
+     */
+    public void encode(String type, String data) {
+        Intent intentEncode = new Intent(ENCODE_INTENT);
+        intentEncode.putExtra(ENCODE_TYPE, type);
+        intentEncode.putExtra(ENCODE_DATA, data);
+
+        this.cordova.getActivity().startActivity(intentEncode);
+    }
+}